diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc')
68 files changed, 2749 insertions, 1737 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/Dist b/sysdeps/unix/sysv/linux/powerpc/Dist deleted file mode 100644 index f36d3685f6..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/Dist +++ /dev/null @@ -1,8 +0,0 @@ -dl-brk.S -ipc_priv.h -kernel_termios.h -ldd-rewrite.sed -oldgetrlimit64.c -sys/procfs.h -sys/ptrace.h -sys/user.h diff --git a/sysdeps/unix/sysv/linux/powerpc/Implies b/sysdeps/unix/sysv/linux/powerpc/Implies new file mode 100644 index 0000000000..ff27cdb568 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/Implies @@ -0,0 +1,4 @@ +# Make sure these routines come before ldbl-opt. +ieee754/ldbl-128ibm +# These supply the ABI compatibility for when long double was double. +ieee754/ldbl-opt diff --git a/sysdeps/unix/sysv/linux/powerpc/Makefile b/sysdeps/unix/sysv/linux/powerpc/Makefile index 671370ede0..ecd8057951 100644 --- a/sysdeps/unix/sysv/linux/powerpc/Makefile +++ b/sysdeps/unix/sysv/linux/powerpc/Makefile @@ -2,3 +2,11 @@ ifeq ($(subdir),rt) librt-routines += rt-sysdep endif + +ifeq ($(subdir),stdlib) +gen-as-const-headers += ucontext_i.sym +endif + +ifeq ($(subdir),elf) +routines += dl-vdso +endif diff --git a/sysdeps/unix/sysv/linux/powerpc/Versions b/sysdeps/unix/sysv/linux/powerpc/Versions new file mode 100644 index 0000000000..1ef53b9e9c --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/Versions @@ -0,0 +1,7 @@ +libc { + GLIBC_PRIVATE { + __vdso_get_tbfreq; + __vdso_clock_gettime; + __vdso_clock_getres; + } +} diff --git a/sysdeps/unix/sysv/linux/powerpc/aix/Dist b/sysdeps/unix/sysv/linux/powerpc/aix/Dist deleted file mode 100644 index 64de6ace3e..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/aix/Dist +++ /dev/null @@ -1,7 +0,0 @@ -aix-dirent.h -aix-errno.h -aix-stat.h -aix-termios.h -direntconv.c -errnoconv.c -statconv.c diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h index 19649c01c7..c4964e0fd8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux/PowerPC. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -22,8 +22,11 @@ # error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." #endif - #include <sys/types.h> +#ifdef __USE_GNU +# include <bits/uio.h> +#endif + /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ @@ -96,7 +99,7 @@ # define F_NOTIFY 1026 /* Request notfications on a directory. */ #endif -/* For F_[GET|SET]FL. */ +/* For F_[GET|SET]FD. */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ @@ -180,10 +183,55 @@ struct flock64 # define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ #endif + +#ifdef __USE_GNU +/* Flags for SYNC_FILE_RANGE. */ +# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages + in the range before performing the + write. */ +# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those + dirty pages in the range which are + not presently under writeback. */ +# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in + the range after performing the + write. */ + +/* Flags for SPLICE and VMSPLICE. */ +# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */ +# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing + (but we may still block on the fd + we splice from/to). */ +# define SPLICE_F_MORE 4 /* Expect more data. */ +# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */ +#endif + __BEGIN_DECLS +#ifdef __USE_GNU + /* Provide kernel hint to read ahead. */ extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) __THROW; + +/* Selective file content synch'ing. */ +extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, + unsigned int __flags); + + +/* Splice address range into a pipe. */ +extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count, + unsigned int __flags); + +/* Splice two files together. */ +extern int splice (int __fdin, __off64_t *__offin, int __fdout, + __off64_t *__offout, size_t __len, unsigned int __flags) + __THROW; + +/* In-kernel implementation of tee for pipe buffers. */ +extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags) + __THROW; + +#endif + __END_DECLS diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h index e47b24a09e..f20a5a175c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/libc-vdso.h @@ -1,6 +1,5 @@ -/* Offsets and other constants needed in the *context() function - implementation. - Copyright (C) 2002 Free Software Foundation, Inc. +/* Resolve function pointers to VDSO functions. + Copyright (C) 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -18,26 +17,20 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#define SIG_BLOCK 0 -#define SIG_SETMASK 2 - -#define _FRAME_BACKCHAIN 0 -#define _FRAME_LR_SAVE 4 -#define _FRAME_PARM_SAVE1 8 -#define _FRAME_PARM_SAVE2 12 -#define _FRAME_PARM_SAVE3 16 -#define _FRAME_PARM_SAVE4 20 - -#define _UC_LINK 4 -#define _UC_STACK_SP 8 -#define _UC_STACK_SIZE 16 -#define _UC_REGS_PTR 48 -#define _UC_SIGMASK 52 -#define _UC_REG_SPACE 180 - -/* offsets within mcontext_t */ -#define _UC_GREGS 0 -#define _UC_FREGS 192 -#define _UC_VREGS 464 -#define _UC_VSCR 976 -#define _UC_VRSAVE 980 + +#ifndef _LIBC_VDSO_H +#define _LIBC_VDSO_H + +#ifdef SHARED + +extern void *__vdso_gettimeofday; + +extern void *__vdso_clock_gettime; + +extern void *__vdso_clock_getres; + +extern void *__vdso_get_tbfreq; + +#endif + +#endif /* _LIBC_VDSO_H */ diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/mman.h b/sysdeps/unix/sysv/linux/powerpc/bits/mman.h index 8dbaf5d7b8..e03ab7ff80 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/mman.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/mman.h @@ -1,5 +1,5 @@ /* Definitions for POSIX memory map interface. Linux/PowerPC version. - Copyright (C) 1997, 2000, 2003 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2003, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -79,6 +79,7 @@ /* Flags for `mremap'. */ #ifdef __USE_GNU # define MREMAP_MAYMOVE 1 +# define MREMAP_FIXED 2 #endif /* Advice to `madvise'. */ @@ -88,6 +89,9 @@ # define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ # define MADV_WILLNEED 3 /* Will need these pages. */ # define MADV_DONTNEED 4 /* Don't need these pages. */ +# define MADV_REMOVE 9 /* Remove these pages and resources. */ +# define MADV_DONTFORK 10 /* Do not inherit across fork. */ +# define MADV_DOFORK 11 /* Do inherit across fork. */ #endif /* The POSIX people had to invent similar names for the same things. */ diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/shm.h b/sysdeps/unix/sysv/linux/powerpc/bits/shm.h index 7705fb64d4..62560c0caf 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/shm.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/shm.h @@ -80,9 +80,10 @@ struct shmid_ds # define SHM_INFO 14 /* shm_mode upper byte flags */ -# define SHM_DEST 01000 /* segment will be destroyed on last detach */ -# define SHM_LOCKED 02000 /* segment will not be swapped */ +# define SHM_DEST 01000 /* segment will be destroyed on last detach */ +# define SHM_LOCKED 02000 /* segment will not be swapped */ # define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */ +# define SHM_NORESERVE 010000 /* don't check for reservations */ struct shminfo { diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h index 8a420cb69c..7aac02dc55 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/termios.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/termios.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997,1999,2001,2003,2004 Free Software Foundation, Inc. +/* Copyright (C) 1997,1999,2001,2003,2004,2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -92,34 +92,41 @@ struct termios { #define OFILL 00000100 #define OFDEL 00000200 -#define NLDLY 00001400 -#define NL0 00000000 -#define NL1 00000400 -#define NL2 00001000 -#define NL3 00001400 -#define TABDLY 00006000 -#define TAB0 00000000 -#define TAB1 00002000 -#define TAB2 00004000 -#define TAB3 00006000 -#define XTABS 00006000 /* Required by POSIX to be == TAB3. */ -#define CRDLY 00030000 -#define CR0 00000000 -#define CR1 00010000 -#define CR2 00020000 -#define CR3 00030000 -#define FFDLY 00040000 -#define FF0 00000000 -#define FF1 00040000 -#define BSDLY 00100000 -#define BS0 00000000 -#define BS1 00100000 +#if defined __USE_MISC || defined __USE_XOPEN +# define NLDLY 00001400 +# define NL0 00000000 +# define NL1 00000400 +# define NL2 00001000 +# define NL3 00001400 +# define TABDLY 00006000 +# define TAB0 00000000 +# define TAB1 00002000 +# define TAB2 00004000 +# define TAB3 00006000 +# define CRDLY 00030000 +# define CR0 00000000 +# define CR1 00010000 +# define CR2 00020000 +# define CR3 00030000 +# define FFDLY 00040000 +# define FF0 00000000 +# define FF1 00040000 +# define BSDLY 00100000 +# define BS0 00000000 +# define BS1 00100000 +#endif #define VTDLY 00200000 #define VT0 00000000 #define VT1 00200000 +#ifdef __USE_MISC +# define XTABS 00006000 +#endif + /* c_cflag bit meaning */ -#define CBAUD 0000377 +#ifdef __USE_MISC +# define CBAUD 0000377 +#endif #define B0 0000000 /* hang up */ #define B50 0000001 #define B75 0000002 @@ -136,9 +143,11 @@ struct termios { #define B9600 0000015 #define B19200 0000016 #define B38400 0000017 -#define EXTA B19200 -#define EXTB B38400 -#define CBAUDEX 0000020 +#ifdef __USE_MISC +# define EXTA B19200 +# define EXTB B38400 +# define CBAUDEX 0000020 +#endif #define B57600 00020 #define B115200 00021 #define B230400 00022 @@ -169,23 +178,30 @@ struct termios { #define HUPCL 00040000 #define CLOCAL 00100000 -#define CRTSCTS 020000000000 /* flow control */ +#ifdef __USE_MISC +# define CMSPAR 010000000000 /* mark or space (stick) parity */ +# define CRTSCTS 020000000000 /* flow control */ +#endif /* c_lflag bits */ #define ISIG 0x00000080 #define ICANON 0x00000100 -#define XCASE 0x00004000 +#if defined __USE_MISC || defined __USE_XOPEN +# define XCASE 0x00004000 +#endif #define ECHO 0x00000008 #define ECHOE 0x00000002 #define ECHOK 0x00000004 #define ECHONL 0x00000010 #define NOFLSH 0x80000000 #define TOSTOP 0x00400000 -#define ECHOCTL 0x00000040 -#define ECHOPRT 0x00000020 -#define ECHOKE 0x00000001 -#define FLUSHO 0x00800000 -#define PENDIN 0x20000000 +#ifdef __USE_MISC +# define ECHOCTL 0x00000040 +# define ECHOPRT 0x00000020 +# define ECHOKE 0x00000001 +# define FLUSHO 0x00800000 +# define PENDIN 0x20000000 +#endif #define IEXTEN 0x00000400 /* Values for the ACTION argument to `tcflow'. */ diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h new file mode 100644 index 0000000000..cf934234f1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/bits/wordsize.h @@ -0,0 +1,19 @@ +/* Determine the wordsize from the preprocessor defines. */ + +#if defined __powerpc64__ +# define __WORDSIZE 64 +# define __WORDSIZE_COMPAT32 1 +#else +# define __WORDSIZE 32 +#endif + +#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL + +/* Signal the glibc ABI didn't used to have a `long double'. + The changes all the `long double' function variants to be redirects + to the double functions. */ +# define __LONG_DOUBLE_MATH_OPTIONAL 1 +# ifndef __LONG_DOUBLE_128__ +# define __NO_LONG_DOUBLE_MATH 1 +# endif +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/chown.c b/sysdeps/unix/sysv/linux/powerpc/chown.c index 4b283e720c..fdcbd3683a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/chown.c +++ b/sysdeps/unix/sysv/linux/powerpc/chown.c @@ -1,5 +1,5 @@ /* chown() compatibility. - Copyright (C) 1998, 2000, 2002, 2003 Free Software Foundation, Inc. + Copyright (C) 1998, 2000, 2002, 2003, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,6 +24,8 @@ #include <sysdep.h> #include <stdlib.h> +#include <kernel-features.h> + /* In Linux 2.1.x the chown functions have been changed. A new function lchown was introduced. The new chown now follows symlinks - the old chown and the @@ -34,58 +36,61 @@ int __chown (const char *file, uid_t owner, gid_t group) { - int err; - int old_errno; - char link[PATH_MAX+2]; - char path[2*PATH_MAX+4]; - int loopct; - size_t filelen; - static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */; - - if (libc_old_chown == 1) - return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group); - - old_errno = errno; - -#ifdef __NR_lchown - if (libc_old_chown == 0) - { - err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group); - if (err != -1 || errno != ENOSYS) - { - libc_old_chown = 1; - return err; - } - libc_old_chown = -1; - } -#endif - - err = __readlink (file, link, PATH_MAX+1); - if (err == -1) - { - errno = old_errno; - return __lchown(file, owner, group); - } - - filelen = strlen (file) + 1; - if (filelen > sizeof(path)) - { - errno = ENAMETOOLONG; - return -1; - } - memcpy (path, file, filelen); - - /* 'The system has an arbitrary limit...' In practise, we'll hit - ENAMETOOLONG before this, usually. */ - for (loopct = 0; loopct < 128; loopct++) - { - size_t linklen; - - if (err >= PATH_MAX+1) - { - errno = ENAMETOOLONG; - return -1; - } +#if __ASSUME_LCHOWN_SYSCALL + return INLINE_SYSCALL (chown, 3, file, owner, group); +#else + int err; + int old_errno; + char link[PATH_MAX + 2]; + char path[2 * PATH_MAX + 4]; + int loopct; + size_t filelen; + static int libc_old_chown = 0 /* -1=old linux, 1=new linux, 0=unknown */; + + if (libc_old_chown == 1) + return INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group); + + old_errno = errno; + +# ifdef __NR_lchown + if (libc_old_chown == 0) + { + err = INLINE_SYSCALL (chown, 3, __ptrvalue (file), owner, group); + if (err != -1 || errno != ENOSYS) + { + libc_old_chown = 1; + return err; + } + libc_old_chown = -1; + } +# endif + + err = __readlink (file, link, PATH_MAX + 1); + if (err == -1) + { + __set_errno (old_errno); + return __lchown (file, owner, group); + } + + filelen = strlen (file) + 1; + if (filelen > sizeof (path)) + { + __set_errno (ENAMETOOLONG); + return -1; + } + memcpy (path, file, filelen); + + /* 'The system has an arbitrary limit...' In practise, we'll hit + ENAMETOOLONG before this, usually. */ + for (loopct = 0; loopct < 128; ++loopct) + { + size_t linklen; + + if (err >= PATH_MAX + 1) + { + __set_errno (ENAMETOOLONG); + return -1; + } link[err] = 0; /* Null-terminate string, just-in-case. */ @@ -97,28 +102,29 @@ __chown (const char *file, uid_t owner, gid_t group) { filelen = strlen (path); - while (filelen > 1 && path[filelen-1] == '/') - filelen--; - while (filelen > 0 && path[filelen-1] != '/') - filelen--; - if (filelen + linklen > sizeof(path)) + while (filelen > 1 && path[filelen - 1] == '/') + --filelen; + while (filelen > 0 && path[filelen - 1] != '/') + --filelen; + if (filelen + linklen > sizeof (path)) { errno = ENAMETOOLONG; return -1; } - memcpy (path+filelen, link, linklen); + memcpy (path + filelen, link, linklen); } - err = __readlink(path, link, PATH_MAX+1); + err = __readlink (path, link, PATH_MAX + 1); if (err == -1) - { - errno = old_errno; - return __lchown(path, owner, group); - } - } - errno = ELOOP; - return -1; + { + __set_errno (old_errno); + return __lchown (path, owner, group); + } + } + __set_errno (ELOOP); + return -1; +#endif } libc_hidden_def (__chown) diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure new file mode 100644 index 0000000000..070bf5caeb --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/configure @@ -0,0 +1,135 @@ +# This file is generated from configure.in by Autoconf. DO NOT EDIT! + # Local configure fragment for sysdeps/unix/sysv/linux/powerpc/. + + +echo "$as_me:$LINENO: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5 +echo $ECHO_N "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... $ECHO_C" >&6 +if test "${libc_cv_mlong_double_128ibm+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mlong-double-128" +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <float.h> +int +main () +{ + +#if LDBL_MANT_DIG != 106 +# error "compiler doesn't implement IBM extended format of long double" +#endif +long double foobar (long double x) { return x; } + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + libc_cv_mlong_double_128ibm=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +libc_cv_mlong_double_128ibm=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +CFLAGS="$save_CFLAGS" +fi +echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128ibm" >&5 +echo "${ECHO_T}$libc_cv_mlong_double_128ibm" >&6 + +if test "$libc_cv_mlong_double_128ibm" = no; then + echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mabi=ibmlongdouble" >&5 +echo $ECHO_N "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... $ECHO_C" >&6 +if test "${libc_cv_mabi_ibmlongdouble+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <float.h> +int +main () +{ + +#if LDBL_MANT_DIG != 106 +# error "compiler doesn't implement IBM extended format of long double" +#endif +long double foobar (long double x) { return x; } + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + libc_cv_mabi_ibmlongdouble=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +libc_cv_mabi_ibmlongdouble=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$save_CFLAGS" +fi +echo "$as_me:$LINENO: result: $libc_cv_mabi_ibmlongdouble" >&5 +echo "${ECHO_T}$libc_cv_mabi_ibmlongdouble" >&6 + + if test "$libc_cv_mabi_ibmlongdouble" = yes; then + CFLAGS="$CFLAGS -mabi=ibmlongdouble" + else + { { echo "$as_me:$LINENO: error: this configuration requires -mlong-double-128 IBM extended format support" >&5 +echo "$as_me: error: this configuration requires -mlong-double-128 IBM extended format support" >&2;} + { (exit 1); exit 1; }; } + fi +fi diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.in b/sysdeps/unix/sysv/linux/powerpc/configure.in new file mode 100644 index 0000000000..1768ab1f99 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/configure.in @@ -0,0 +1,37 @@ +sinclude(./aclocal.m4)dnl Autoconf lossage +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/. + +AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format, + libc_cv_mlong_double_128ibm, [dnl +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -mlong-double-128" +AC_TRY_COMPILE([#include <float.h>], [ +#if LDBL_MANT_DIG != 106 +# error "compiler doesn't implement IBM extended format of long double" +#endif +long double foobar (long double x) { return x; }], + libc_cv_mlong_double_128ibm=yes, + libc_cv_mlong_double_128ibm=no) +CFLAGS="$save_CFLAGS"]) + +if test "$libc_cv_mlong_double_128ibm" = no; then + AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble, + libc_cv_mabi_ibmlongdouble, [dnl + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble" + AC_TRY_COMPILE([#include <float.h>], [ +#if LDBL_MANT_DIG != 106 +# error "compiler doesn't implement IBM extended format of long double" +#endif +long double foobar (long double x) { return x; }], + libc_cv_mabi_ibmlongdouble=yes, + libc_cv_mabi_ibmlongdouble=no) + CFLAGS="$save_CFLAGS"]) + + if test "$libc_cv_mabi_ibmlongdouble" = yes; then + CFLAGS="$CFLAGS -mabi=ibmlongdouble" + else + AC_MSG_ERROR([this configuration requires -mlong-double-128 IBM extended format support]) + fi +fi diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c b/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c index a548a96325..7c02c68985 100644 --- a/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c +++ b/sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c @@ -1,5 +1,5 @@ /* Operating system support for run-time dynamic linker. Linux/PPC version. - Copyright (C) 1997, 1998, 2001, 2003 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2001, 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -17,9 +17,8 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ - -#include "config.h" -#include "kernel-features.h" +#include <config.h> +#include <kernel-features.h> #include <ldsodefs.h> extern int __cache_line_size; diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.c b/sysdeps/unix/sysv/linux/powerpc/dl-vdso.c new file mode 100644 index 0000000000..e1be097734 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/dl-vdso.c @@ -0,0 +1,59 @@ +/* ELF symbol resolve functions for VDSO objects. + Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "config.h" +#include <dl-hash.h> +#include <ldsodefs.h> + + +void * +internal_function +_dl_vdso_vsym (const char *name, const char *version) +{ + struct link_map *map = GLRO (dl_sysinfo_map); + void *value = NULL; + + + if (map != NULL) + { + /* Use a WEAK REF so we don't error out if the symbol is not found. */ + ElfW (Sym) wsym; + memset (&wsym, 0, sizeof (ElfW (Sym))); + wsym.st_info = (unsigned char) ELFW (ST_INFO (STB_WEAK, STT_NOTYPE)); + + /* Compute hash value to the version string. */ + struct r_found_version vers; + vers.name = version; + vers.hidden = 1; + vers.hash = _dl_elf_hash (version); + /* We don't have a specific file where the symbol can be found. */ + vers.filename = NULL; + + /* Search the scope of the vdso map. */ + const ElfW (Sym) *ref = &wsym; + lookup_t result = GLRO (dl_lookup_symbol_x) (name, map, &ref, + map->l_local_scope, + &vers, 0, 0, NULL); + + if (ref != NULL) + value = DL_SYMBOL_ADDRESS (result, ref); + } + + return value; +} diff --git a/sysdeps/unix/sysv/linux/powerpc/dl-vdso.h b/sysdeps/unix/sysv/linux/powerpc/dl-vdso.h new file mode 100644 index 0000000000..a7dcb2e5ff --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/dl-vdso.h @@ -0,0 +1,27 @@ +/* ELF symbol resolve functions for VDSO objects. + Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _DL_VDSO_H +#define _DL_VDSO_H 1 + +/* Functions for resolving symbols in the VDSO link map. */ +extern void *_dl_vdso_vsym (const char *name, const char *version) + internal_function attribute_hidden; + +#endif /* dl-vdso.h */ diff --git a/sysdeps/unix/sysv/linux/powerpc/fchownat.c b/sysdeps/unix/sysv/linux/powerpc/fchownat.c new file mode 100644 index 0000000000..67c570648a --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/fchownat.c @@ -0,0 +1,110 @@ +/* Copyright (C) 2005, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include <limits.h> +#include <sysdep.h> +#include <stdlib.h> + +#include <kernel-features.h> + +/* + In Linux 2.1.x the chown functions have been changed. A new function lchown + was introduced. The new chown now follows symlinks - the old chown and the + new lchown do not follow symlinks. + This file emulates chown() under the old kernels. +*/ + +int +fchownat (int fd, const char *file, uid_t owner, gid_t group, int flag) +{ + int result; + +#ifdef __NR_fchownat +# ifndef __ASSUME_ATFCTS + if (__have_atfcts >= 0) +# endif + { + result = INLINE_SYSCALL (fchownat, 5, fd, file, owner, group, flag); +# ifndef __ASSUME_ATFCTS + if (result == -1 && errno == ENOSYS) + __have_atfcts = -1; + else +# endif + return result; + } +#endif + +#ifndef __ASSUME_ATFCTS + if (flag & ~AT_SYMLINK_NOFOLLOW) + { + __set_errno (EINVAL); + return -1; + } + + char *buf = NULL; + + if (fd != AT_FDCWD && file[0] != '/') + { + size_t filelen = strlen (file); + static const char procfd[] = "/proc/self/fd/%d/%s"; + /* Buffer for the path name we are going to use. It consists of + - the string /proc/self/fd/ + - the file descriptor number + - the file name provided. + The final NUL is included in the sizeof. A bit of overhead + due to the format elements compensates for possible negative + numbers. */ + size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen; + buf = alloca (buflen); + + __snprintf (buf, buflen, procfd, fd, file); + file = buf; + } + +# if __ASSUME_LCHOWN_SYSCALL + INTERNAL_SYSCALL_DECL (err); + + if (flag & AT_SYMLINK_NOFOLLOW) + result = INTERNAL_SYSCALL (lchown, err, 3, file, owner, group); + else + result = INTERNAL_SYSCALL (chown, err, 3, file, owner, group); + + if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0)) + { + __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); + return -1; + } +# else + /* Don't inline the rest to avoid unnecessary code duplication. */ + if (flag & AT_SYMLINK_NOFOLLOW) + result = __lchown (file, owner, group); + else + result = __chown (file, owner, group); + if (result < 0) + __atfct_seterrno (errno, fd, buf); +# endif + + return result; + +#endif +} diff --git a/sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c b/sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c new file mode 100644 index 0000000000..6d2e766aa4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c @@ -0,0 +1,117 @@ +/* Get frequency of the system processor. powerpc/Linux version. + Copyright (C) 2000, 2001, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <ctype.h> +#include <fcntl.h> +#include <string.h> +#include <unistd.h> +#include <libc-internal.h> +#include <sysdep.h> +#include <bits/libc-vdso.h> + +hp_timing_t +__get_clockfreq (void) +{ + /* We read the information from the /proc filesystem. /proc/cpuinfo + contains at least one line like: + timebase : 33333333 + We search for this line and convert the number into an integer. */ + static hp_timing_t timebase_freq; + hp_timing_t result = 0L; + + /* If this function was called before, we know the result. */ + if (timebase_freq != 0) + return timebase_freq; + + /* If we can use the vDSO to obtain the timebase even better. */ +#ifdef SHARED + INTERNAL_SYSCALL_DECL (err); + timebase_freq = INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK (get_tbfreq, err, 0); + if (INTERNAL_SYSCALL_ERROR_P (timebase_freq, err) + && INTERNAL_SYSCALL_ERRNO (timebase_freq, err) == ENOSYS) +#endif + { + int fd = open ("/proc/cpuinfo", O_RDONLY); + + if (__builtin_expect (fd != -1, 1)) + { + /* The timebase will be in the 1st 1024 bytes for systems with up + to 8 processors. If the first read returns less then 1024 + bytes read, we have the whole cpuinfo and can start the scan. + Otherwise we will have to read more to insure we have the + timebase value in the scan. */ + char buf[1024]; + ssize_t n; + + n = read (fd, buf, sizeof (buf)); + if (n == sizeof (buf)) + { + /* We are here because the 1st read returned exactly sizeof + (buf) bytes. This implies that we are not at EOF and may + not have read the timebase value yet. So we need to read + more bytes until we know we have EOF. We copy the lower + half of buf to the upper half and read sizeof (buf)/2 + bytes into the lower half of buf and repeat until we + reach EOF. We can assume that the timebase will be in + the last 512 bytes of cpuinfo, so two 512 byte half_bufs + will be sufficient to contain the timebase and will + handle the case where the timebase spans the half_buf + boundry. */ + const ssize_t half_buf = sizeof (buf) / 2; + while (n >= half_buf) + { + memcpy (buf, buf + half_buf, half_buf); + n = read (fd, buf + half_buf, half_buf); + } + if (n >= 0) + n += half_buf; + } + + if (__builtin_expect (n, 1) > 0) + { + char *mhz = memmem (buf, n, "timebase", 7); + + if (__builtin_expect (mhz != NULL, 1)) + { + char *endp = buf + n; + + /* Search for the beginning of the string. */ + while (mhz < endp && (*mhz < '0' || *mhz > '9') + && *mhz != '\n') + ++mhz; + + while (mhz < endp && *mhz != '\n') + { + if (*mhz >= '0' && *mhz <= '9') + { + result *= 10; + result += *mhz - '0'; + } + + ++mhz; + } + } + timebase_freq = result; + } + close (fd); + } + } + + return timebase_freq; +} diff --git a/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c new file mode 100644 index 0000000000..b381baa285 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/gettimeofday.c @@ -0,0 +1,42 @@ +/* Copyright (C) 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> +#include <bp-checks.h> +#include <stddef.h> +#include <sys/time.h> +#include <time.h> +#include <hp-timing.h> + +#undef __gettimeofday +#include <bits/libc-vdso.h> + +/* Get the current time of day and timezone information, + putting it into *TV and *TZ. If TZ is NULL, *TZ is not filled. + Returns 0 on success, -1 on errors. */ + +int +__gettimeofday (tv, tz) + struct timeval *tv; + struct timezone *tz; +{ + return INLINE_VSYSCALL (gettimeofday, 2, CHECK_1 (tv), CHECK_1 (tz)); +} + +INTDEF (__gettimeofday) +weak_alias (__gettimeofday, gettimeofday) diff --git a/sysdeps/unix/sysv/linux/powerpc/libc-start.c b/sysdeps/unix/sysv/linux/powerpc/libc-start.c new file mode 100644 index 0000000000..a8005c1163 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/libc-start.c @@ -0,0 +1,130 @@ +/* Copyright (C) 1998,2000,2001,2002,2003,2004,2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdlib.h> +#include <unistd.h> +#include <ldsodefs.h> +#include <bp-start.h> +#include <bp-sym.h> + +extern int __cache_line_size; +weak_extern (__cache_line_size) +/* The main work is done in the generic function. */ +#define LIBC_START_MAIN generic_start_main +#define LIBC_START_DISABLE_INLINE +#define LIBC_START_MAIN_AUXVEC_ARG +#define MAIN_AUXVEC_ARG +#define INIT_MAIN_ARGS +#include <csu/libc-start.c> + +struct startup_info + { + void *__unbounded sda_base; + int (*main) (int, char **, char **, void *); + int (*init) (int, char **, char **, void *); + void (*fini) (void); + }; + + +#ifdef SHARED +# include <sys/time.h> +# include <dl-vdso.h> +# undef __gettimeofday +# undef __clock_gettime +# undef __clock_getres +# include <bits/libc-vdso.h> + +void *__vdso_gettimeofday; +void *__vdso_clock_gettime; +void *__vdso_clock_getres; +void *__vdso_get_tbfreq; + +static inline void _libc_vdso_platform_setup (void) + { + __vdso_gettimeofday = _dl_vdso_vsym ("__kernel_gettimeofday", + "LINUX_2.6.15"); + + __vdso_clock_gettime = _dl_vdso_vsym ("__kernel_clock_gettime", + "LINUX_2.6.15"); + + __vdso_clock_getres = _dl_vdso_vsym ("__kernel_clock_getres", + "LINUX_2.6.15"); + + __vdso_get_tbfreq = _dl_vdso_vsym ("__kernel_vdso_get_tbfreq", + "LINUX_2.6.15"); + } +#endif + +int +/* GKM FIXME: GCC: this should get __BP_ prefix by virtue of the + BPs in the arglist of startup_info.main and startup_info.init. */ + BP_SYM (__libc_start_main) (int argc, char *__unbounded *__unbounded ubp_av, + char *__unbounded *__unbounded ubp_ev, + ElfW (auxv_t) * __unbounded auxvec, + void (*rtld_fini) (void), + struct startup_info *__unbounded stinfo, + char *__unbounded *__unbounded stack_on_entry) +{ +#if __BOUNDED_POINTERS__ + char **argv; +#else +# define argv ubp_av +#endif + + /* the PPC SVR4 ABI says that the top thing on the stack will + be a NULL pointer, so if not we assume that we're being called + as a statically-linked program by Linux... */ + if (*stack_on_entry != NULL) + { + char *__unbounded * __unbounded temp; + /* ...in which case, we have argc as the top thing on the + stack, followed by argv (NULL-terminated), envp (likewise), + and the auxilary vector. */ + /* 32/64-bit agnostic load from stack */ + argc = *(long int *__unbounded) stack_on_entry; + ubp_av = stack_on_entry + 1; + ubp_ev = ubp_av + argc + 1; +#ifdef HAVE_AUX_VECTOR + temp = ubp_ev; + while (*temp != NULL) + ++temp; + auxvec = (ElfW (auxv_t) *)++ temp; +#endif + rtld_fini = NULL; + } + + /* Initialize the __cache_line_size variable from the aux vector. */ + for (ElfW (auxv_t) * av = auxvec; av->a_type != AT_NULL; ++av) + switch (av->a_type) + { + case AT_DCACHEBSIZE: + { + int *cls = &__cache_line_size; + if (cls != NULL) + *cls = av->a_un.a_val; + } + break; + } +#ifdef SHARED + /* Resolve and initialize function pointers for VDSO functions. */ + _libc_vdso_platform_setup (); +#endif + return generic_start_main (stinfo->main, argc, ubp_av, auxvec, + stinfo->init, stinfo->fini, rtld_fini, + stack_on_entry); +} diff --git a/sysdeps/unix/sysv/linux/powerpc/nldbl-abi.h b/sysdeps/unix/sysv/linux/powerpc/nldbl-abi.h new file mode 100644 index 0000000000..bd985cc59c --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/nldbl-abi.h @@ -0,0 +1,8 @@ +/* ABI version for long double switch. + This is used by the Versions and math_ldbl_opt.h files in + sysdeps/ieee754/ldbl-opt/. It gives the ABI version where + long double == double was replaced with proper long double + for libm *l functions and libc functions using long double. */ + +#define NLDBL_VERSION GLIBC_2.4 +#define LONG_DOUBLE_COMPAT_VERSION GLIBC_2_4 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist deleted file mode 100644 index 297e031620..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist +++ /dev/null @@ -1,3 +0,0 @@ -clone.S -kernel_stat.h -fe_nomask.c diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S index 8ecbb548a2..e945834945 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S @@ -1,5 +1,5 @@ /* brk system call for Linux/ppc. - Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1995-97, 1999, 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #define _ERRNO_H 1 @@ -27,28 +27,38 @@ .section ".text" ENTRY (BP_SYM (__brk)) DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em */ - + mflr r0 stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) stw r3,8(r1) + stw r0,20(r1) + cfi_offset (lr, 4) DO_CALL(SYS_ify(brk)) lwz r6,8(r1) #ifdef PIC - mflr r4 +# ifdef HAVE_ASM_PPC_REL16 + bcl 20,31,1f +1: mflr r5 + addis r5,r5,__curbrk-1b@ha + stw r3,__curbrk-1b@l(r5) +# else bl _GLOBAL_OFFSET_TABLE_@local-4 mflr r5 lwz r5,__curbrk@got(r5) - mtlr r4 stw r3,0(r5) +# endif #else lis r4,__curbrk@ha stw r3,__curbrk@l(r4) #endif + lwz r0,20(r1) cmplw r6,r3 addi r1,r1,16 + mtlr r0 li r3,0 blelr+ li r3,ENOMEM - b JUMPTARGET(__syscall_error) + b __syscall_error@local END (BP_SYM (__brk)) weak_alias (BP_SYM (__brk), BP_SYM (brk)) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S index f232284747..37b777799c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S @@ -1,5 +1,5 @@ /* Wrapper around clone system call. - Copyright (C) 1997,98,99,2000,02,2004 Free Software Foundation, Inc. + Copyright (C) 1997,98,99,2000,02,04,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #define _ERRNO_H 1 @@ -49,6 +49,7 @@ ENTRY (BP_SYM (__clone)) /* Set up stack frame for parent. */ stwu r1,-32(r1) + cfi_adjust_cfa_offset (32) #ifdef RESET_PID stmw r28,16(r1) #else @@ -83,6 +84,10 @@ ENTRY (BP_SYM (__clone)) mr r6,r8 mr r7,r9 + /* End FDE now, because in the child the unwind info will be + wrong. */ + cfi_endproc + /* Do the call. */ DO_CALL(SYS_ify(clone)) @@ -132,11 +137,13 @@ L(parent): #endif addi r1,r1,32 bnslr+ - b JUMPTARGET(__syscall_error) + b __syscall_error@local L(badargs): li r3,EINVAL - b JUMPTARGET(__syscall_error) + b __syscall_error@local + + cfi_startproc END (BP_SYM (__clone)) weak_alias (BP_SYM (__clone), BP_SYM (clone)) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c index 2c85a3a9e9..8d3b9ad1f4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fe_nomask.c @@ -1,5 +1,5 @@ /* Procedure definition for FE_NOMASK_ENV for Linux/ppc. - Copyright (C) 2000 Free Software Foundation, Inc. + Copyright (C) 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,11 +23,11 @@ #include <unistd.h> #include <sysdep.h> #include <sys/prctl.h> -#include "kernel-features.h" +#include <kernel-features.h> #if __ASSUME_NEW_PRCTL_SYSCALL == 0 /* This is rather fiddly under Linux. We don't have direct access, - and there is no system call, but we can change the bits + and there is no system call, but we can change the bits in a signal handler's context... */ static struct sigaction oact; diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies new file mode 100644 index 0000000000..9f70f795bc --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/Implies @@ -0,0 +1,2 @@ +# Override ldbl-opt with powerpc32 specific routines. +powerpc/powerpc32/fpu diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c index e79d74cb75..e83f7f04b7 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ftruncate64.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc. +/* Copyright (C) 1997-2002,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,12 +23,12 @@ #include <sysdep.h> #include <sys/syscall.h> -#include "kernel-features.h" +#include <kernel-features.h> #ifdef __NR_ftruncate64 #ifndef __ASSUME_TRUNCATE64_SYSCALL /* The variable is shared between all wrappers around *truncate64 calls. */ -extern int have_no_truncate64; +extern int __have_no_truncate64; #endif @@ -39,7 +39,7 @@ __ftruncate64 (fd, length) off64_t length; { #ifndef __ASSUME_TRUNCATE64_SYSCALL - if (! have_no_truncate64) + if (! __have_no_truncate64) #endif { #ifndef __ASSUME_TRUNCATE64_SYSCALL @@ -57,7 +57,7 @@ __ftruncate64 (fd, length) #ifndef __ASSUME_TRUNCATE64_SYSCALL __set_errno (saved_errno); - have_no_truncate64 = 1; + __have_no_truncate64 = 1; #endif } @@ -74,5 +74,5 @@ weak_alias (__ftruncate64, ftruncate64) #else /* Use the generic implementation. */ -# include <sysdeps/generic/ftruncate64.c> +# include <misc/ftruncate64.c> #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c new file mode 100644 index 0000000000..0f8b3135d8 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fxstatat.c @@ -0,0 +1 @@ +#include <sysdeps/unix/sysv/linux/i386/fxstatat.c> diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S new file mode 100644 index 0000000000..c28c34664c --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext-common.S @@ -0,0 +1,286 @@ +/* Save current context, powerpc32 common. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ + +/* This is the common implementation of getcontext for powerpc32. + It not complete in itself should be included in to a framework that + defines: + __CONTEXT_FUNC_NAME + and if appropriate: + __CONTEXT_ENABLE_FPRS + __CONTEXT_ENABLE_VRS + Any archecture that implements the Vector unit is assumed to also + implement the floating unit. */ + +/* Stack frame offsets. */ +#define _FRAME_BACKCHAIN 0 +#define _FRAME_LR_SAVE 4 +#define _FRAME_PARM_SAVE1 8 +#define _FRAME_PARM_SAVE2 12 +#define _FRAME_PARM_SAVE3 16 +#define _FRAME_PARM_SAVE4 20 + +#ifdef __CONTEXT_ENABLE_VRS + .machine "altivec" +#endif +ENTRY(__CONTEXT_FUNC_NAME) + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) +/* Insure that the _UC_REGS start on a quadword boundary. */ + stw r3,_FRAME_PARM_SAVE1(r1) + addi r3,r3,_UC_REG_SPACE+12 + clrrwi r3,r3,4 + +/* Save the general purpose registers */ + stw r0,_UC_GREGS+(PT_R0*4)(r3) + mflr r0 + stw r2,_UC_GREGS+(PT_R2*4)(r3) + stw r4,_UC_GREGS+(PT_R4*4)(r3) +/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers + return address. */ + stw r0,_UC_GREGS+(PT_LNK*4)(r3) + stw r0,_UC_GREGS+(PT_NIP*4)(r3) + stw r0,_FRAME_LR_SAVE+16(r1) + cfi_offset (lr, _FRAME_LR_SAVE) + stw r5,_UC_GREGS+(PT_R5*4)(r3) + stw r6,_UC_GREGS+(PT_R6*4)(r3) + stw r7,_UC_GREGS+(PT_R7*4)(r3) + stw r8,_UC_GREGS+(PT_R8*4)(r3) + stw r9,_UC_GREGS+(PT_R9*4)(r3) + stw r10,_UC_GREGS+(PT_R10*4)(r3) + stw r11,_UC_GREGS+(PT_R11*4)(r3) + stw r12,_UC_GREGS+(PT_R12*4)(r3) + stw r13,_UC_GREGS+(PT_R13*4)(r3) + stw r14,_UC_GREGS+(PT_R14*4)(r3) + stw r15,_UC_GREGS+(PT_R15*4)(r3) + stw r16,_UC_GREGS+(PT_R16*4)(r3) + stw r17,_UC_GREGS+(PT_R17*4)(r3) + stw r18,_UC_GREGS+(PT_R18*4)(r3) + stw r19,_UC_GREGS+(PT_R19*4)(r3) + stw r20,_UC_GREGS+(PT_R20*4)(r3) + stw r21,_UC_GREGS+(PT_R21*4)(r3) + stw r22,_UC_GREGS+(PT_R22*4)(r3) + stw r23,_UC_GREGS+(PT_R23*4)(r3) + stw r24,_UC_GREGS+(PT_R24*4)(r3) + stw r25,_UC_GREGS+(PT_R25*4)(r3) + stw r26,_UC_GREGS+(PT_R26*4)(r3) + stw r27,_UC_GREGS+(PT_R27*4)(r3) + stw r28,_UC_GREGS+(PT_R28*4)(r3) + stw r29,_UC_GREGS+(PT_R29*4)(r3) + stw r30,_UC_GREGS+(PT_R30*4)(r3) + stw r31,_UC_GREGS+(PT_R31*4)(r3) +/* Save the value of R1. We had to push the stack before we + had the address of uc_reg_space. So compute the address of + the callers stack pointer and save it as R1. */ + addi r8,r1,16 + li r0,0 +/* Save the count, exception and condition registers. */ + mfctr r11 + mfxer r10 + mfcr r9 + stw r8,_UC_GREGS+(PT_R1*4)(r3) + stw r11,_UC_GREGS+(PT_CTR*4)(r3) + stw r10,_UC_GREGS+(PT_XER*4)(r3) + stw r9,_UC_GREGS+(PT_CCR*4)(r3) +/* Set the return value of getcontext to "success". R3 is the only + register whose value is not preserved in the saved context. */ + stw r0,_UC_GREGS+(PT_R3*4)(r3) + +/* Zero fill fields that can't be set in user state. */ + stw r0,_UC_GREGS+(PT_MSR*4)(r3) + stw r0,_UC_GREGS+(PT_MQ*4)(r3) + +#ifdef __CONTEXT_ENABLE_FPRS +/* Save the floating-point registers */ + stfd fp0,_UC_FREGS+(0*8)(r3) + stfd fp1,_UC_FREGS+(1*8)(r3) + stfd fp2,_UC_FREGS+(2*8)(r3) + stfd fp3,_UC_FREGS+(3*8)(r3) + stfd fp4,_UC_FREGS+(4*8)(r3) + stfd fp5,_UC_FREGS+(5*8)(r3) + stfd fp6,_UC_FREGS+(6*8)(r3) + stfd fp7,_UC_FREGS+(7*8)(r3) + stfd fp8,_UC_FREGS+(8*8)(r3) + stfd fp9,_UC_FREGS+(9*8)(r3) + stfd fp10,_UC_FREGS+(10*8)(r3) + stfd fp11,_UC_FREGS+(11*8)(r3) + stfd fp12,_UC_FREGS+(12*8)(r3) + stfd fp13,_UC_FREGS+(13*8)(r3) + stfd fp14,_UC_FREGS+(14*8)(r3) + stfd fp15,_UC_FREGS+(15*8)(r3) + stfd fp16,_UC_FREGS+(16*8)(r3) + stfd fp17,_UC_FREGS+(17*8)(r3) + stfd fp18,_UC_FREGS+(18*8)(r3) + stfd fp19,_UC_FREGS+(19*8)(r3) + stfd fp20,_UC_FREGS+(20*8)(r3) + stfd fp21,_UC_FREGS+(21*8)(r3) + stfd fp22,_UC_FREGS+(22*8)(r3) + stfd fp23,_UC_FREGS+(23*8)(r3) + stfd fp24,_UC_FREGS+(24*8)(r3) + stfd fp25,_UC_FREGS+(25*8)(r3) + stfd fp26,_UC_FREGS+(26*8)(r3) + stfd fp27,_UC_FREGS+(27*8)(r3) + stfd fp28,_UC_FREGS+(28*8)(r3) + stfd fp29,_UC_FREGS+(29*8)(r3) + mffs fp0 + stfd fp30,_UC_FREGS+(30*8)(r3) + stfd fp31,_UC_FREGS+(31*8)(r3) + stfd fp0,_UC_FREGS+(32*8)(r3) + +# ifdef __CONTEXT_ENABLE_VRS +# ifdef PIC + mflr r8 +# ifdef HAVE_ASM_PPC_REL16 + bcl 20,31,1f +1: mflr r7 + addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha + addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l +# else + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r7 +# endif +# ifdef SHARED + lwz r7,_rtld_global_ro@got(r7) + mtlr r8 + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) +# else + lwz r7,_dl_hwcap@got(r7) + mtlr r8 + lwz r7,0(r7) +# endif +# else + lis r7,_dl_hwcap@ha + lwz r7,_dl_hwcap@l(r7) +# endif + andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) + + la r10,(_UC_VREGS)(r3) + la r9,(_UC_VREGS+16)(r3) + + beq 2f /* L(no_vec) */ +/* address of the combined VSCR/VSAVE quadword. */ + la r8,(_UC_VREGS+512)(r3) + +/* Save the vector registers */ + stvx v0,0,r10 + stvx v1,0,r9 + addi r10,r10,32 + addi r9,r9,32 +/* We need to get the Vector Status and Control Register early to avoid + store order problems later with the VSAVE register that shares the + same quadword. */ + mfvscr v0 + + stvx v2,0,r10 + stvx v3,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v0,0,r8 + + stvx v4,0,r10 + stvx v5,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v6,0,r10 + stvx v7,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v8,0,r10 + stvx v9,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v10,0,r10 + stvx v11,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v12,0,r10 + stvx v13,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v14,0,r10 + stvx v15,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v16,0,r10 + stvx v17,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v18,0,r10 + stvx v19,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v20,0,r10 + stvx v21,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v22,0,r10 + stvx v23,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v24,0,r10 + stvx v25,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v26,0,r10 + stvx v27,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v28,0,r10 + stvx v29,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + mfspr r0,VRSAVE + stvx v30,0,r10 + stvx v31,0,r9 + + stw r0,0(r8) + +2: /* L(no_vec): */ +# endif +#endif +/* We need to set up parms and call sigprocmask which will clobber + volatile registers. So before the call we need to retrieve the + original ucontext ptr (parm1) from stack and store the UC_REGS_PTR + (current R3). */ + lwz r12,_FRAME_PARM_SAVE1(r1) + li r4,0 + stw r3,_UC_REGS_PTR(r12) + addi r5,r12,_UC_SIGMASK + li r3,SIG_BLOCK + bl __sigprocmask@local + + lwz r0,_FRAME_LR_SAVE+16(r1) + addi r1,r1,16 + mtlr r0 + blr +END(__CONTEXT_FUNC_NAME) + diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S index 4c75354a5f..dad1074034 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/getcontext.S @@ -1,5 +1,5 @@ /* Save current context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,362 +14,53 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" - .machine "altivec" -ENTRY(__getcontext) - stwu r1,-16(r1) -/* Insure that the _UC_REGS start on a quadword boundary. */ - stw r3,_FRAME_PARM_SAVE1(r1) - addi r3,r3,_UC_REG_SPACE+12 - clrrwi r3,r3,4 +#define __CONTEXT_FUNC_NAME __getcontext +#define __CONTEXT_ENABLE_FPRS 1 +#define __CONTEXT_ENABLE_VRS 1 -/* Save the general purpose registers */ - stw r0,_UC_GREGS+(PT_R0*4)(r3) - mflr r0 - stw r2,_UC_GREGS+(PT_R2*4)(r3) - stw r4,_UC_GREGS+(PT_R4*4)(r3) -/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers - return address. */ - stw r0,_UC_GREGS+(PT_LNK*4)(r3) - stw r0,_UC_GREGS+(PT_NIP*4)(r3) - stw r0,_FRAME_LR_SAVE+16(r1) - stw r5,_UC_GREGS+(PT_R5*4)(r3) - stw r6,_UC_GREGS+(PT_R6*4)(r3) - stw r7,_UC_GREGS+(PT_R7*4)(r3) - stw r8,_UC_GREGS+(PT_R8*4)(r3) - stw r9,_UC_GREGS+(PT_R9*4)(r3) - stw r10,_UC_GREGS+(PT_R10*4)(r3) - stw r11,_UC_GREGS+(PT_R11*4)(r3) - stw r12,_UC_GREGS+(PT_R12*4)(r3) - stw r13,_UC_GREGS+(PT_R13*4)(r3) - stw r14,_UC_GREGS+(PT_R14*4)(r3) - stw r15,_UC_GREGS+(PT_R15*4)(r3) - stw r16,_UC_GREGS+(PT_R16*4)(r3) - stw r17,_UC_GREGS+(PT_R17*4)(r3) - stw r18,_UC_GREGS+(PT_R18*4)(r3) - stw r19,_UC_GREGS+(PT_R19*4)(r3) - stw r20,_UC_GREGS+(PT_R20*4)(r3) - stw r21,_UC_GREGS+(PT_R21*4)(r3) - stw r22,_UC_GREGS+(PT_R22*4)(r3) - stw r23,_UC_GREGS+(PT_R23*4)(r3) - stw r24,_UC_GREGS+(PT_R24*4)(r3) - stw r25,_UC_GREGS+(PT_R25*4)(r3) - stw r26,_UC_GREGS+(PT_R26*4)(r3) - stw r27,_UC_GREGS+(PT_R27*4)(r3) - stw r28,_UC_GREGS+(PT_R28*4)(r3) - stw r29,_UC_GREGS+(PT_R29*4)(r3) - stw r30,_UC_GREGS+(PT_R30*4)(r3) - stw r31,_UC_GREGS+(PT_R31*4)(r3) -/* Save the value of R1. We had to push the stack before we - had the address of uc_reg_space. So compute the address of - the callers stack pointer and save it as R1. */ - addi r8,r1,16 - li r0,0 -/* Save the count, exception and condition registers. */ - mfctr r11 - mfxer r10 - mfcr r9 - stw r8,_UC_GREGS+(PT_R1*4)(r3) - stw r11,_UC_GREGS+(PT_CTR*4)(r3) - stw r10,_UC_GREGS+(PT_XER*4)(r3) - stw r9,_UC_GREGS+(PT_CCR*4)(r3) -/* Set the return value of getcontext to "success". R3 is the only - register whose value is not preserved in the saved context. */ - stw r0,_UC_GREGS+(PT_R3*4)(r3) +/* Size of ucontext in GLIBC_2.3.4 and later. */ +#define _UC_SIZE_2_3_4 1184 -/* Zero fill fields that can't be set in user state. */ - stw r0,_UC_GREGS+(PT_MSR*4)(r3) - stw r0,_UC_GREGS+(PT_MQ*4)(r3) - -/* Save the floating-point registers */ - stfd fp0,_UC_FREGS+(0*8)(r3) - stfd fp1,_UC_FREGS+(1*8)(r3) - stfd fp2,_UC_FREGS+(2*8)(r3) - stfd fp3,_UC_FREGS+(3*8)(r3) - stfd fp4,_UC_FREGS+(4*8)(r3) - stfd fp5,_UC_FREGS+(5*8)(r3) - stfd fp6,_UC_FREGS+(6*8)(r3) - stfd fp7,_UC_FREGS+(7*8)(r3) - stfd fp8,_UC_FREGS+(8*8)(r3) - stfd fp9,_UC_FREGS+(9*8)(r3) - stfd fp10,_UC_FREGS+(10*8)(r3) - stfd fp11,_UC_FREGS+(11*8)(r3) - stfd fp12,_UC_FREGS+(12*8)(r3) - stfd fp13,_UC_FREGS+(13*8)(r3) - stfd fp14,_UC_FREGS+(14*8)(r3) - stfd fp15,_UC_FREGS+(15*8)(r3) - stfd fp16,_UC_FREGS+(16*8)(r3) - stfd fp17,_UC_FREGS+(17*8)(r3) - stfd fp18,_UC_FREGS+(18*8)(r3) - stfd fp19,_UC_FREGS+(19*8)(r3) - stfd fp20,_UC_FREGS+(20*8)(r3) - stfd fp21,_UC_FREGS+(21*8)(r3) - stfd fp22,_UC_FREGS+(22*8)(r3) - stfd fp23,_UC_FREGS+(23*8)(r3) - stfd fp24,_UC_FREGS+(24*8)(r3) - stfd fp25,_UC_FREGS+(25*8)(r3) - stfd fp26,_UC_FREGS+(26*8)(r3) - stfd fp27,_UC_FREGS+(27*8)(r3) - stfd fp28,_UC_FREGS+(28*8)(r3) - stfd fp29,_UC_FREGS+(29*8)(r3) - mffs fp0 - stfd fp30,_UC_FREGS+(30*8)(r3) - stfd fp31,_UC_FREGS+(31*8)(r3) - stfd fp0,_UC_FREGS+(32*8)(r3) - -#ifdef PIC - mflr r8 - bl _GLOBAL_OFFSET_TABLE_@local-4 - mflr r7 -# ifdef SHARED - lwz r7,_rtld_global_ro@got(r7) - mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) -# else - lwz r7,_dl_hwcap@got(r7) - mtlr r8 - lwz r7,0(r7) -# endif -#else - lis r7,_dl_hwcap@ha - lwz r7,_dl_hwcap@l(r7) -#endif - andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) - - la r10,(_UC_VREGS)(r3) - la r9,(_UC_VREGS+16)(r3) - - beq L(no_vec) -/* address of the combined VSCR/VSAVE quadword. */ - la r8,(_UC_VREGS+512)(r3) - -/* Save the vector registers */ - stvx v0,0,r10 - stvx v1,0,r9 - addi r10,r10,32 - addi r9,r9,32 -/* We need to get the Vector Status and Control Register early to avoid - store order problems later with the VSAVE register that shares the - same quadword. */ - mfvscr v0 - - stvx v2,0,r10 - stvx v3,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v0,0,r8 - - stvx v4,0,r10 - stvx v5,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v6,0,r10 - stvx v7,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v8,0,r10 - stvx v9,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v10,0,r10 - stvx v11,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v12,0,r10 - stvx v13,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v14,0,r10 - stvx v15,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v16,0,r10 - stvx v17,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v18,0,r10 - stvx v19,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v20,0,r10 - stvx v21,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v22,0,r10 - stvx v23,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v24,0,r10 - stvx v25,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v26,0,r10 - stvx v27,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v28,0,r10 - stvx v29,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - mfspr r0,VRSAVE - stvx v30,0,r10 - stvx v31,0,r9 - - stw r0,0(r8) - -L(no_vec): -/* We need to set up parms and call sigprocmask which will clobber - volatile registers. So before the call we need to retrieve the - original ucontext ptr (parm1) from stack and store the UC_REGS_PTR - (current R3). */ - lwz r12,_FRAME_PARM_SAVE1(r1) +#ifdef __ASSUME_SWAPCONTEXT_SYSCALL + .section ".text"; +ENTRY (__getcontext) li r4,0 - stw r3,_UC_REGS_PTR(r12) - addi r5,r12,_UC_SIGMASK - li r3,SIG_BLOCK - bl JUMPTARGET(__sigprocmask) - - lwz r0,_FRAME_LR_SAVE+16(r1) - addi r1,r1,16 - mtlr r0 + li r5,_UC_SIZE_2_3_4; + DO_CALL (SYS_ify (swapcontext)); + bso- cr0,1f +/* the kernel does not set the return code for the success case */ + li r3,0 blr +1: + b __syscall_error@local END(__getcontext) +#else +# include "getcontext-common.S" +#endif versioned_symbol (libc, __getcontext, getcontext, GLIBC_2_3_4) #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) - compat_text_section -ENTRY(__novec_getcontext) - /* - * Since we are not attempting to save the altivec registers, - * there is no need to get the register storage space - * aligned on a 16-byte boundary. - */ - addi r3,r3,_UC_REG_SPACE - stw r3,_UC_REGS_PTR - _UC_REG_SPACE(r3) - stw r0,_UC_GREGS+(PT_R0*4)(r3) - stw r1,_UC_GREGS+(PT_R1*4)(r3) - mflr r0 - stwu r1,-16(r1) - stw r0,20(r1) - stw r0,_UC_GREGS+(PT_LNK*4)(r3) - stw r0,_UC_GREGS+(PT_NIP*4)(r3) - stw r2,_UC_GREGS+(PT_R2*4)(r3) - stw r4,_UC_GREGS+(PT_R4*4)(r3) - stw r5,_UC_GREGS+(PT_R5*4)(r3) - stw r6,_UC_GREGS+(PT_R6*4)(r3) - stw r7,_UC_GREGS+(PT_R7*4)(r3) - stw r8,_UC_GREGS+(PT_R8*4)(r3) - stw r9,_UC_GREGS+(PT_R9*4)(r3) - stw r10,_UC_GREGS+(PT_R10*4)(r3) - stw r11,_UC_GREGS+(PT_R11*4)(r3) - stw r12,_UC_GREGS+(PT_R12*4)(r3) - stw r13,_UC_GREGS+(PT_R13*4)(r3) - stw r14,_UC_GREGS+(PT_R14*4)(r3) - stw r15,_UC_GREGS+(PT_R15*4)(r3) - stw r16,_UC_GREGS+(PT_R16*4)(r3) - stw r17,_UC_GREGS+(PT_R17*4)(r3) - stw r18,_UC_GREGS+(PT_R18*4)(r3) - stw r19,_UC_GREGS+(PT_R19*4)(r3) - stw r20,_UC_GREGS+(PT_R20*4)(r3) - stw r21,_UC_GREGS+(PT_R21*4)(r3) - stw r22,_UC_GREGS+(PT_R22*4)(r3) - stw r23,_UC_GREGS+(PT_R23*4)(r3) - stw r24,_UC_GREGS+(PT_R24*4)(r3) - stw r25,_UC_GREGS+(PT_R25*4)(r3) - stw r26,_UC_GREGS+(PT_R26*4)(r3) - stw r27,_UC_GREGS+(PT_R27*4)(r3) - stw r28,_UC_GREGS+(PT_R28*4)(r3) - stw r29,_UC_GREGS+(PT_R29*4)(r3) - stw r30,_UC_GREGS+(PT_R30*4)(r3) - stw r31,_UC_GREGS+(PT_R31*4)(r3) - mfctr r0 - stw r0,_UC_GREGS+(PT_CTR*4)(r3) - mfxer r0 - stw r0,_UC_GREGS+(PT_XER*4)(r3) - mfcr r0 - stw r0,_UC_GREGS+(PT_CCR*4)(r3) - - /* Set the return value of getcontext to "success". R3 is the only - register whose value is not preserved in the saved context. */ - li r0,0 - stw r0,_UC_GREGS+(PT_R3*4)(r3) - - /* Zero fill fields that can't be set in user state. */ - stw r0,_UC_GREGS+(PT_MSR*4)(r3) - stw r0,_UC_GREGS+(PT_MQ*4)(r3) - - /* Save the floating-point registers */ - stfd fp0,_UC_FREGS+(0*8)(r3) - stfd fp1,_UC_FREGS+(1*8)(r3) - stfd fp2,_UC_FREGS+(2*8)(r3) - stfd fp3,_UC_FREGS+(3*8)(r3) - stfd fp4,_UC_FREGS+(4*8)(r3) - stfd fp5,_UC_FREGS+(5*8)(r3) - stfd fp6,_UC_FREGS+(6*8)(r3) - stfd fp7,_UC_FREGS+(7*8)(r3) - stfd fp8,_UC_FREGS+(8*8)(r3) - stfd fp9,_UC_FREGS+(9*8)(r3) - stfd fp10,_UC_FREGS+(10*8)(r3) - stfd fp11,_UC_FREGS+(11*8)(r3) - stfd fp12,_UC_FREGS+(12*8)(r3) - stfd fp13,_UC_FREGS+(13*8)(r3) - stfd fp14,_UC_FREGS+(14*8)(r3) - stfd fp15,_UC_FREGS+(15*8)(r3) - stfd fp16,_UC_FREGS+(16*8)(r3) - stfd fp17,_UC_FREGS+(17*8)(r3) - stfd fp18,_UC_FREGS+(18*8)(r3) - stfd fp19,_UC_FREGS+(19*8)(r3) - stfd fp20,_UC_FREGS+(20*8)(r3) - stfd fp21,_UC_FREGS+(21*8)(r3) - stfd fp22,_UC_FREGS+(22*8)(r3) - stfd fp23,_UC_FREGS+(23*8)(r3) - stfd fp24,_UC_FREGS+(24*8)(r3) - stfd fp25,_UC_FREGS+(25*8)(r3) - stfd fp26,_UC_FREGS+(26*8)(r3) - stfd fp27,_UC_FREGS+(27*8)(r3) - stfd fp28,_UC_FREGS+(28*8)(r3) - stfd fp29,_UC_FREGS+(29*8)(r3) - mffs fp0 - stfd fp30,_UC_FREGS+(30*8)(r3) - stfd fp31,_UC_FREGS+(31*8)(r3) - stfd fp0,_UC_FREGS+(32*8)(r3) + +# undef __CONTEXT_FUNC_NAME +# define __CONTEXT_FUNC_NAME __novec_getcontext +# undef __CONTEXT_ENABLE_VRS - addi r5,r3,_UC_SIGMASK - _UC_REG_SPACE - li r4,0 - li r3,SIG_BLOCK - bl JUMPTARGET(__sigprocmask) +# clude "getcontext-common.S" - lwz r0,20(r1) - addi r1,r1,16 - mtlr r0 - blr -END(__novec_getcontext) .previous compat_symbol (libc, __novec_getcontext, getcontext, GLIBC_2_3_3) @@ -378,13 +69,13 @@ compat_symbol (libc, __novec_getcontext, getcontext, GLIBC_2_3_3) #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) -#define _ERRNO_H 1 -#include <bits/errno.h> +# define _ERRNO_H 1 +# include <bits/errno.h> compat_text_section ENTRY (__getcontext_stub) li r3,ENOSYS - b JUMPTARGET(__syscall_error) + b __syscall_error@local END (__getcontext_stub) .previous diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S index 5615718e11..9451f9eb36 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/makecontext.S @@ -1,5 +1,5 @@ /* Set up a context to call a function. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <shlib-compat.h> @@ -26,9 +26,7 @@ ENTRY(__makecontext) /* Set up the first 7 args to the function in its registers */ - addi r11,r3,_UC_REG_SPACE+12 - clrrwi r11,r11,4 - stw r11,_UC_REGS_PTR(r3) + lwz r11,_UC_REGS_PTR(r3) stw r6,_UC_GREGS+(PT_R3*4)(r11) stw r7,_UC_GREGS+(PT_R4*4)(r11) stw r8,_UC_GREGS+(PT_R5*4)(r11) @@ -49,10 +47,12 @@ ENTRY(__makecontext) /* Set the function's LR to point to the exitcode below. */ #ifdef PIC mflr r0 + cfi_register(lr,r0) bl 1f 1: mflr r6 addi r6,r6,L(exitcode)-1b mtlr r0 + cfi_same_value (lr) #else lis r6,L(exitcode)@ha addi r6,r6,L(exitcode)@l @@ -101,7 +101,7 @@ ENTRY(__makecontext) L(exitcode): mr. r3,r31 beq 4f - bl JUMPTARGET(__setcontext) + bl __setcontext@local 4: bl HIDDEN_JUMPTARGET(exit) b 4b @@ -136,10 +136,12 @@ ENTRY(__novec_makecontext) /* Set the function's LR to point to the exitcode below. */ #ifdef PIC mflr r0 + cfi_register(lr,r0) bl 1f 1: mflr r6 addi r6,r6,L(novec_exitcode)-1b mtlr r0 + cfi_same_value (lr) #else lis r6,L(novec_exitcode)@ha addi r6,r6,L(novec_exitcode)@l @@ -188,7 +190,7 @@ ENTRY(__novec_makecontext) L(novec_exitcode): mr. r3,r31 beq 4f - bl JUMPTARGET(__novec_setcontext) + bl __novec_setcontext@local 4: bl HIDDEN_JUMPTARGET(exit) b 4b @@ -206,7 +208,7 @@ compat_symbol (libc, __novec_makecontext, makecontext, GLIBC_2_3_3) compat_text_section ENTRY (__makecontext_stub) li r3,ENOSYS - b JUMPTARGET(__syscall_error) + b __syscall_error@local END (__makecontext_stub) .previous diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c index 495c98ab97..4d9fa263c4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -26,7 +26,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0 @@ -58,7 +58,7 @@ __libc_pread (fd, buf, count, offset) return result; } - + int oldtype = LIBC_CANCEL_ASYNC (); /* On PPC32 64bit values are aligned in odd/even register pairs. */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c index d4fe1eea2d..9527554e9b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pread64.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -25,7 +25,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c index 3727fa7a42..32383f4301 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -26,7 +26,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c index 080c88cf29..acc250a88f 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/pwrite64.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -25,7 +25,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S new file mode 100644 index 0000000000..40a7a24f19 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext-common.S @@ -0,0 +1,293 @@ +/* Jump to a new context powerpc32 common. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ + +/* This is the common implementation of setcontext for powerpc32. + It not complete in itself should be included in to a framework that + defines: + __CONTEXT_FUNC_NAME + and if appropriate: + __CONTEXT_ENABLE_FPRS + __CONTEXT_ENABLE_VRS + Any archecture that implements the Vector unit is assumed to also + implement the floating unit. */ + +/* Stack frame offsets. */ +#define _FRAME_BACKCHAIN 0 +#define _FRAME_LR_SAVE 4 +#define _FRAME_PARM_SAVE1 8 +#define _FRAME_PARM_SAVE2 12 +#define _FRAME_PARM_SAVE3 16 +#define _FRAME_PARM_SAVE4 20 + +#ifdef __CONTEXT_ENABLE_VRS + .machine "altivec" +#endif +ENTRY(__CONTEXT_FUNC_NAME) + mflr r0 + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) + stw r0,20(r1) + cfi_offset (lr, _FRAME_LR_SAVE) + stw r31,12(r1) + cfi_offset(r31,-4) + lwz r31,_UC_REGS_PTR(r3) + + /* + * If this ucontext refers to the point where we were interrupted + * by a signal, we have to use the rt_sigreturn system call to + * return to the context so we get both LR and CTR restored. + * + * Otherwise, the context we are restoring is either just after + * a procedure call (getcontext/swapcontext) or at the beginning + * of a procedure call (makecontext), so we don't need to restore + * r0, xer, ctr. We don't restore r2 since it will be used as + * the TLS pointer. + */ + lwz r0,_UC_GREGS+(PT_MSR*4)(r31) + cmpwi r0,0 + bne 4f /* L(do_sigret) */ + + /* Restore the signal mask */ + li r5,0 + addi r4,r3,_UC_SIGMASK + li r3,SIG_SETMASK + bl __sigprocmask@local + cmpwi r3,0 + bne 3f /* L(error_exit) */ + +#ifdef __CONTEXT_ENABLE_FPRS +# ifdef __CONTEXT_ENABLE_VRS +# ifdef PIC + mflr r8 +# ifdef HAVE_ASM_PPC_REL16 + bcl 20,31,1f +1: mflr r7 + addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha + addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l +# else + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r7 +# endif +# ifdef SHARED + lwz r7,_rtld_global_ro@got(r7) + mtlr r8 + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) +# else + lwz r7,_dl_hwcap@got(r7) + mtlr r8 + lwz r7,0(r7) +# endif +# else + lis r7,_dl_hwcap@ha + lwz r7,_dl_hwcap@l(r7) +# endif + andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) + la r10,(_UC_VREGS)(r31) + beq 2f /* L(has_no_vec) */ + + lwz r0,(32*16)(r10) + li r9,(32*16) + cmpwi r0,0 + mtspr VRSAVE,r0 + beq 2f /* L(has_no_vec) */ + + lvx v19,r9,r10 + la r9,(16)(r10) + + lvx v0,0,r10 + lvx v1,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + mtvscr v19 + lvx v2,0,r10 + lvx v3,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v4,0,r10 + lvx v5,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v6,0,r10 + lvx v7,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v8,0,r10 + lvx v9,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v10,0,r10 + lvx v11,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v12,0,r10 + lvx v13,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v14,0,r10 + lvx v15,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v16,0,r10 + lvx v17,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v18,0,r10 + lvx v19,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v20,0,r10 + lvx v21,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v22,0,r10 + lvx v23,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v24,0,r10 + lvx v25,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v26,0,r10 + lvx v27,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v28,0,r10 + lvx v29,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v30,0,r10 + lvx v31,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v10,0,r10 + lvx v11,0,r9 + +2: /* L(has_no_vec): */ +# endif /* __CONTEXT_ENABLE_VRS */ + /* Restore the floating-point registers */ + lfd fp31,_UC_FREGS+(32*8)(r31) + lfd fp0,_UC_FREGS+(0*8)(r31) + mtfsf 0xff,fp31 + lfd fp1,_UC_FREGS+(1*8)(r31) + lfd fp2,_UC_FREGS+(2*8)(r31) + lfd fp3,_UC_FREGS+(3*8)(r31) + lfd fp4,_UC_FREGS+(4*8)(r31) + lfd fp5,_UC_FREGS+(5*8)(r31) + lfd fp6,_UC_FREGS+(6*8)(r31) + lfd fp7,_UC_FREGS+(7*8)(r31) + lfd fp8,_UC_FREGS+(8*8)(r31) + lfd fp9,_UC_FREGS+(9*8)(r31) + lfd fp10,_UC_FREGS+(10*8)(r31) + lfd fp11,_UC_FREGS+(11*8)(r31) + lfd fp12,_UC_FREGS+(12*8)(r31) + lfd fp13,_UC_FREGS+(13*8)(r31) + lfd fp14,_UC_FREGS+(14*8)(r31) + lfd fp15,_UC_FREGS+(15*8)(r31) + lfd fp16,_UC_FREGS+(16*8)(r31) + lfd fp17,_UC_FREGS+(17*8)(r31) + lfd fp18,_UC_FREGS+(18*8)(r31) + lfd fp19,_UC_FREGS+(19*8)(r31) + lfd fp20,_UC_FREGS+(20*8)(r31) + lfd fp21,_UC_FREGS+(21*8)(r31) + lfd fp22,_UC_FREGS+(22*8)(r31) + lfd fp23,_UC_FREGS+(23*8)(r31) + lfd fp24,_UC_FREGS+(24*8)(r31) + lfd fp25,_UC_FREGS+(25*8)(r31) + lfd fp26,_UC_FREGS+(26*8)(r31) + lfd fp27,_UC_FREGS+(27*8)(r31) + lfd fp28,_UC_FREGS+(28*8)(r31) + lfd fp29,_UC_FREGS+(29*8)(r31) + lfd fp30,_UC_FREGS+(30*8)(r31) + lfd fp31,_UC_FREGS+(31*8)(r31) +#endif /* __CONTEXT_ENABLE_FPRS */ + + /* Restore LR and CCR, and set CTR to the NIP value */ + lwz r3,_UC_GREGS+(PT_LNK*4)(r31) + lwz r4,_UC_GREGS+(PT_NIP*4)(r31) + lwz r5,_UC_GREGS+(PT_CCR*4)(r31) + mtlr r3 + mtctr r4 + mtcr r5 + + /* Restore the general registers */ + lwz r1,_UC_GREGS+(PT_R1*4)(r31) + lwz r3,_UC_GREGS+(PT_R3*4)(r31) + lwz r4,_UC_GREGS+(PT_R4*4)(r31) + lwz r5,_UC_GREGS+(PT_R5*4)(r31) + lwz r6,_UC_GREGS+(PT_R6*4)(r31) + lwz r7,_UC_GREGS+(PT_R7*4)(r31) + lwz r8,_UC_GREGS+(PT_R8*4)(r31) + lwz r9,_UC_GREGS+(PT_R9*4)(r31) + lwz r10,_UC_GREGS+(PT_R10*4)(r31) + lwz r11,_UC_GREGS+(PT_R11*4)(r31) + lwz r12,_UC_GREGS+(PT_R12*4)(r31) + lwz r13,_UC_GREGS+(PT_R13*4)(r31) + lwz r14,_UC_GREGS+(PT_R14*4)(r31) + lwz r15,_UC_GREGS+(PT_R15*4)(r31) + lwz r16,_UC_GREGS+(PT_R16*4)(r31) + lwz r17,_UC_GREGS+(PT_R17*4)(r31) + lwz r18,_UC_GREGS+(PT_R18*4)(r31) + lwz r19,_UC_GREGS+(PT_R19*4)(r31) + lwz r20,_UC_GREGS+(PT_R20*4)(r31) + lwz r21,_UC_GREGS+(PT_R21*4)(r31) + lwz r22,_UC_GREGS+(PT_R22*4)(r31) + lwz r23,_UC_GREGS+(PT_R23*4)(r31) + lwz r24,_UC_GREGS+(PT_R24*4)(r31) + lwz r25,_UC_GREGS+(PT_R25*4)(r31) + lwz r26,_UC_GREGS+(PT_R26*4)(r31) + lwz r27,_UC_GREGS+(PT_R27*4)(r31) + lwz r28,_UC_GREGS+(PT_R28*4)(r31) + lwz r29,_UC_GREGS+(PT_R29*4)(r31) + lwz r30,_UC_GREGS+(PT_R30*4)(r31) + lwz r31,_UC_GREGS+(PT_R31*4)(r31) + + bctr + +3: /* L(error_exit): */ + lwz r31,12(r1) + lwz r0,20(r1) + addi r1,r1,16 + mtlr r0 + blr + + +4: /* L(do_sigret): */ + addi r1,r3,-0xd0 + li r0,SYS_ify(rt_sigreturn) + sc + /* NOTREACHED */ + +END (__CONTEXT_FUNC_NAME) + diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S index 2d4fa9910e..1f2e250057 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S @@ -1,5 +1,5 @@ /* Jump to a new context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,383 +14,55 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" - .machine "altivec" -ENTRY(__setcontext) - mflr r0 - stwu r1,-16(r1) - stw r0,20(r1) - stw r31,12(r1) - lwz r31,_UC_REGS_PTR(r3) - - /* - * If this ucontext refers to the point where we were interrupted - * by a signal, we have to use the rt_sigreturn system call to - * return to the context so we get both LR and CTR restored. - * - * Otherwise, the context we are restoring is either just after - * a procedure call (getcontext/swapcontext) or at the beginning - * of a procedure call (makecontext), so we don't need to restore - * r0, xer, ctr. We don't restore r2 since it will be used as - * the TLS pointer. - */ - lwz r0,_UC_GREGS+(PT_MSR*4)(r31) - cmpwi r0,0 - bne L(do_sigret) - - /* Restore the signal mask */ - li r5,0 - addi r4,r3,_UC_SIGMASK - li r3,SIG_SETMASK - bl JUMPTARGET(__sigprocmask) - cmpwi r3,0 - bne L(error_exit) - -#ifdef PIC - mflr r8 - bl _GLOBAL_OFFSET_TABLE_@local-4 - mflr r7 -# ifdef SHARED - lwz r7,_rtld_global_ro@got(r7) - mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) -# else - lwz r7,_dl_hwcap@got(r7) - mtlr r8 - lwz r7,0(r7) -# endif +#define __CONTEXT_FUNC_NAME __setcontext +#define __CONTEXT_ENABLE_FPRS 1 +#define __CONTEXT_ENABLE_VRS 1 + +/* Size of ucontext in GLIBC_2.3.4 and later. */ +#define _UC_SIZE_2_3_4 1184 + +#ifdef __ASSUME_SWAPCONTEXT_SYSCALL + .section ".text"; +ENTRY (__setcontext) + mr r4,r3 + li r3,0 + li r5,_UC_SIZE_2_3_4; + DO_CALL (SYS_ify (swapcontext)); + bso- cr0,1f +/* the kernel does not set the return code for the success case */ + li r3,0 + blr +1: + b __syscall_error@local +END(__setcontext) #else - lis r7,_dl_hwcap@ha - lwz r7,_dl_hwcap@l(r7) +# include "setcontext-common.S" #endif - andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) - la r10,(_UC_VREGS)(r31) - beq L(has_no_vec) - - lwz r0,(32*16)(r10) - li r9,(32*16) - cmpwi r0,0 - mtspr VRSAVE,r0 - beq L(has_no_vec) - - lvx v19,r9,r10 - la r9,(16)(r10) - - lvx v0,0,r10 - lvx v1,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - mtvscr v19 - lvx v2,0,r10 - lvx v3,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v4,0,r10 - lvx v5,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v6,0,r10 - lvx v7,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v8,0,r10 - lvx v9,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v10,0,r10 - lvx v11,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v12,0,r10 - lvx v13,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v14,0,r10 - lvx v15,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v16,0,r10 - lvx v17,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v18,0,r10 - lvx v19,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v20,0,r10 - lvx v21,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v22,0,r10 - lvx v23,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v24,0,r10 - lvx v25,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v26,0,r10 - lvx v27,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v28,0,r10 - lvx v29,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v30,0,r10 - lvx v31,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v10,0,r10 - lvx v11,0,r9 - -L(has_no_vec): - /* Restore the floating-point registers */ - lfd fp31,_UC_FREGS+(32*8)(r31) - lfd fp0,_UC_FREGS+(0*8)(r31) - mtfsf 0xff,fp31 - lfd fp1,_UC_FREGS+(1*8)(r31) - lfd fp2,_UC_FREGS+(2*8)(r31) - lfd fp3,_UC_FREGS+(3*8)(r31) - lfd fp4,_UC_FREGS+(4*8)(r31) - lfd fp5,_UC_FREGS+(5*8)(r31) - lfd fp6,_UC_FREGS+(6*8)(r31) - lfd fp7,_UC_FREGS+(7*8)(r31) - lfd fp8,_UC_FREGS+(8*8)(r31) - lfd fp9,_UC_FREGS+(9*8)(r31) - lfd fp10,_UC_FREGS+(10*8)(r31) - lfd fp11,_UC_FREGS+(11*8)(r31) - lfd fp12,_UC_FREGS+(12*8)(r31) - lfd fp13,_UC_FREGS+(13*8)(r31) - lfd fp14,_UC_FREGS+(14*8)(r31) - lfd fp15,_UC_FREGS+(15*8)(r31) - lfd fp16,_UC_FREGS+(16*8)(r31) - lfd fp17,_UC_FREGS+(17*8)(r31) - lfd fp18,_UC_FREGS+(18*8)(r31) - lfd fp19,_UC_FREGS+(19*8)(r31) - lfd fp20,_UC_FREGS+(20*8)(r31) - lfd fp21,_UC_FREGS+(21*8)(r31) - lfd fp22,_UC_FREGS+(22*8)(r31) - lfd fp23,_UC_FREGS+(23*8)(r31) - lfd fp24,_UC_FREGS+(24*8)(r31) - lfd fp25,_UC_FREGS+(25*8)(r31) - lfd fp26,_UC_FREGS+(26*8)(r31) - lfd fp27,_UC_FREGS+(27*8)(r31) - lfd fp28,_UC_FREGS+(28*8)(r31) - lfd fp29,_UC_FREGS+(29*8)(r31) - lfd fp30,_UC_FREGS+(30*8)(r31) - lfd fp31,_UC_FREGS+(31*8)(r31) - - /* Restore LR and CCR, and set CTR to the NIP value */ - lwz r3,_UC_GREGS+(PT_LNK*4)(r31) - lwz r4,_UC_GREGS+(PT_NIP*4)(r31) - lwz r5,_UC_GREGS+(PT_CCR*4)(r31) - mtlr r3 - mtctr r4 - mtcr r5 - - /* Restore the general registers */ - lwz r1,_UC_GREGS+(PT_R1*4)(r31) - lwz r3,_UC_GREGS+(PT_R3*4)(r31) - lwz r4,_UC_GREGS+(PT_R4*4)(r31) - lwz r5,_UC_GREGS+(PT_R5*4)(r31) - lwz r6,_UC_GREGS+(PT_R6*4)(r31) - lwz r7,_UC_GREGS+(PT_R7*4)(r31) - lwz r8,_UC_GREGS+(PT_R8*4)(r31) - lwz r9,_UC_GREGS+(PT_R9*4)(r31) - lwz r10,_UC_GREGS+(PT_R10*4)(r31) - lwz r11,_UC_GREGS+(PT_R11*4)(r31) - lwz r12,_UC_GREGS+(PT_R12*4)(r31) - lwz r13,_UC_GREGS+(PT_R13*4)(r31) - lwz r14,_UC_GREGS+(PT_R14*4)(r31) - lwz r15,_UC_GREGS+(PT_R15*4)(r31) - lwz r16,_UC_GREGS+(PT_R16*4)(r31) - lwz r17,_UC_GREGS+(PT_R17*4)(r31) - lwz r18,_UC_GREGS+(PT_R18*4)(r31) - lwz r19,_UC_GREGS+(PT_R19*4)(r31) - lwz r20,_UC_GREGS+(PT_R20*4)(r31) - lwz r21,_UC_GREGS+(PT_R21*4)(r31) - lwz r22,_UC_GREGS+(PT_R22*4)(r31) - lwz r23,_UC_GREGS+(PT_R23*4)(r31) - lwz r24,_UC_GREGS+(PT_R24*4)(r31) - lwz r25,_UC_GREGS+(PT_R25*4)(r31) - lwz r26,_UC_GREGS+(PT_R26*4)(r31) - lwz r27,_UC_GREGS+(PT_R27*4)(r31) - lwz r28,_UC_GREGS+(PT_R28*4)(r31) - lwz r29,_UC_GREGS+(PT_R29*4)(r31) - lwz r30,_UC_GREGS+(PT_R30*4)(r31) - lwz r31,_UC_GREGS+(PT_R31*4)(r31) - - bctr - -L(error_exit): - lwz r31,12(r1) - lwz r0,20(r1) - addi r1,r1,16 - mtlr r0 - blr - -L(do_sigret): - addi r1,r3,-0xd0 - li r0,SYS_ify(rt_sigreturn) - sc - /* NOTREACHED */ - -END (__setcontext) versioned_symbol (libc, __setcontext, setcontext, GLIBC_2_3_4) #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) compat_text_section -ENTRY(__novec_setcontext) - mflr r0 - stwu r1,-16(r1) - stw r0,20(r1) - stw r31,12(r1) - lwz r31,_UC_REGS_PTR(r3) - - /* - * If this ucontext refers to the point where we were interrupted - * by a signal, we have to use the rt_sigreturn system call to - * return to the context so we get both LR and CTR restored. - * - * Otherwise, the context we are restoring is either just after - * a procedure call (getcontext/swapcontext) or at the beginning - * of a procedure call (makecontext), so we don't need to restore - * r0, xer, ctr. We don't restore r2 since it will be used as - * the TLS pointer. - */ - lwz r0,_UC_GREGS+(PT_MSR*4)(r31) - cmpwi r0,0 - bne L(novec_do_sigret) - - /* Restore the signal mask */ - li r5,0 - addi r4,r3,_UC_SIGMASK - li r3,SIG_SETMASK - bl JUMPTARGET(__sigprocmask) - cmpwi r3,0 - bne L(novec_error_exit) - - /* Restore the floating-point registers */ - lfd fp31,_UC_FREGS+(32*8)(r31) - lfd fp0,_UC_FREGS+(0*8)(r31) - mtfsf 0xff,fp31 - lfd fp1,_UC_FREGS+(1*8)(r31) - lfd fp2,_UC_FREGS+(2*8)(r31) - lfd fp3,_UC_FREGS+(3*8)(r31) - lfd fp4,_UC_FREGS+(4*8)(r31) - lfd fp5,_UC_FREGS+(5*8)(r31) - lfd fp6,_UC_FREGS+(6*8)(r31) - lfd fp7,_UC_FREGS+(7*8)(r31) - lfd fp8,_UC_FREGS+(8*8)(r31) - lfd fp9,_UC_FREGS+(9*8)(r31) - lfd fp10,_UC_FREGS+(10*8)(r31) - lfd fp11,_UC_FREGS+(11*8)(r31) - lfd fp12,_UC_FREGS+(12*8)(r31) - lfd fp13,_UC_FREGS+(13*8)(r31) - lfd fp14,_UC_FREGS+(14*8)(r31) - lfd fp15,_UC_FREGS+(15*8)(r31) - lfd fp16,_UC_FREGS+(16*8)(r31) - lfd fp17,_UC_FREGS+(17*8)(r31) - lfd fp18,_UC_FREGS+(18*8)(r31) - lfd fp19,_UC_FREGS+(19*8)(r31) - lfd fp20,_UC_FREGS+(20*8)(r31) - lfd fp21,_UC_FREGS+(21*8)(r31) - lfd fp22,_UC_FREGS+(22*8)(r31) - lfd fp23,_UC_FREGS+(23*8)(r31) - lfd fp24,_UC_FREGS+(24*8)(r31) - lfd fp25,_UC_FREGS+(25*8)(r31) - lfd fp26,_UC_FREGS+(26*8)(r31) - lfd fp27,_UC_FREGS+(27*8)(r31) - lfd fp28,_UC_FREGS+(28*8)(r31) - lfd fp29,_UC_FREGS+(29*8)(r31) - lfd fp30,_UC_FREGS+(30*8)(r31) - lfd fp31,_UC_FREGS+(31*8)(r31) - - /* Restore LR and CCR, and set CTR to the NIP value */ - lwz r3,_UC_GREGS+(PT_LNK*4)(r31) - lwz r4,_UC_GREGS+(PT_NIP*4)(r31) - lwz r5,_UC_GREGS+(PT_CCR*4)(r31) - mtlr r3 - mtctr r4 - mtcr r5 - - /* Restore the general registers */ - lwz r1,_UC_GREGS+(PT_R1*4)(r31) - lwz r3,_UC_GREGS+(PT_R3*4)(r31) - lwz r4,_UC_GREGS+(PT_R4*4)(r31) - lwz r5,_UC_GREGS+(PT_R5*4)(r31) - lwz r6,_UC_GREGS+(PT_R6*4)(r31) - lwz r7,_UC_GREGS+(PT_R7*4)(r31) - lwz r8,_UC_GREGS+(PT_R8*4)(r31) - lwz r9,_UC_GREGS+(PT_R9*4)(r31) - lwz r10,_UC_GREGS+(PT_R10*4)(r31) - lwz r11,_UC_GREGS+(PT_R11*4)(r31) - lwz r12,_UC_GREGS+(PT_R12*4)(r31) - lwz r13,_UC_GREGS+(PT_R13*4)(r31) - lwz r14,_UC_GREGS+(PT_R14*4)(r31) - lwz r15,_UC_GREGS+(PT_R15*4)(r31) - lwz r16,_UC_GREGS+(PT_R16*4)(r31) - lwz r17,_UC_GREGS+(PT_R17*4)(r31) - lwz r18,_UC_GREGS+(PT_R18*4)(r31) - lwz r19,_UC_GREGS+(PT_R19*4)(r31) - lwz r20,_UC_GREGS+(PT_R20*4)(r31) - lwz r21,_UC_GREGS+(PT_R21*4)(r31) - lwz r22,_UC_GREGS+(PT_R22*4)(r31) - lwz r23,_UC_GREGS+(PT_R23*4)(r31) - lwz r24,_UC_GREGS+(PT_R24*4)(r31) - lwz r25,_UC_GREGS+(PT_R25*4)(r31) - lwz r26,_UC_GREGS+(PT_R26*4)(r31) - lwz r27,_UC_GREGS+(PT_R27*4)(r31) - lwz r28,_UC_GREGS+(PT_R28*4)(r31) - lwz r29,_UC_GREGS+(PT_R29*4)(r31) - lwz r30,_UC_GREGS+(PT_R30*4)(r31) - lwz r31,_UC_GREGS+(PT_R31*4)(r31) - - bctr - -L(novec_error_exit): - lwz r31,12(r1) - lwz r0,20(r1) - addi r1,r1,16 - mtlr r0 - blr + +# undef __CONTEXT_FUNC_NAME +# define __CONTEXT_FUNC_NAME __novec_setcontext +# undef __CONTEXT_ENABLE_VRS -L(novec_do_sigret): - addi r1,r3,-0xd0 - li r0,SYS_ify(rt_sigreturn) - sc - /* NOTREACHED */ +# include "setcontext-common.S" -END (__novec_setcontext) .previous compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3) @@ -399,13 +71,13 @@ compat_symbol (libc, __novec_setcontext, setcontext, GLIBC_2_3_3) #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_3) -#define _ERRNO_H 1 -#include <bits/errno.h> +# define _ERRNO_H 1 +# include <bits/errno.h> compat_text_section ENTRY (__setcontext_stub) li r3,ENOSYS - b JUMPTARGET(__syscall_error) + b __syscall_error@local END (__setcontext_stub) .previous diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S index c52ad9babf..0bb5bef78b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997, 1999, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1995,96,97,99, 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,8 +13,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep-cancel.h> #include <socketcall.h> @@ -39,15 +39,20 @@ #define NARGS 3 #endif +/* 0(r1) and 4(r1) are reserved by the ABI, 8(r1), 12(r1), 16(r1) are used + for temp saves. 44(r1) is used to save r30. */ #define stackblock 20 #ifndef __socket -#define __socket P(__,socket) +# ifndef NO_WEAK_ALIAS +# define __socket P(__,socket) +# else +# define __socket socket +# endif #endif .text ENTRY(__socket) - cfi_startproc stwu r1,-48(r1) cfi_adjust_cfa_offset(48) #if NARGS >= 1 @@ -69,12 +74,6 @@ ENTRY(__socket) stw r8,20+stackblock(r1) #endif #if NARGS >= 7 - stw r9,24+stackblock(r1) -#endif -#if NARGS >= 8 - stw r10,28+stackblock(r1) -#endif -#if NARGS >= 9 #error too many arguments! #endif @@ -94,6 +93,7 @@ ENTRY(__socket) mflr r9 stw r9,52(r1) cfi_offset (lr, 4) + CGOTSETUP CENABLE stw r3,16(r1) li r3,P(SOCKOP_,socket) @@ -107,13 +107,15 @@ ENTRY(__socket) lwz r4,52(r1) lwz r0,12(r1) lwz r3,8(r1) + CGOTRESTORE mtlr r4 mtcr r0 addi r1,r1,48 PSEUDO_RET #endif - cfi_endproc PSEUDO_END (__socket) +#ifndef NO_WEAK_ALIAS weak_alias (__socket, socket) +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S new file mode 100644 index 0000000000..0c7b945ed2 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext-common.S @@ -0,0 +1,517 @@ +/* Save current context and jump to a new context. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ + +/* This is the common implementation of setcontext for powerpc32. + It not complete in itself should be included in to a framework that + defines: + __CONTEXT_FUNC_NAME + and if appropriate: + __CONTEXT_ENABLE_FPRS + __CONTEXT_ENABLE_VRS + Any archecture that implements the Vector unit is assumed to also + implement the floating unit. */ + +/* Stack frame offsets. */ +#define _FRAME_BACKCHAIN 0 +#define _FRAME_LR_SAVE 4 +#define _FRAME_PARM_SAVE1 8 +#define _FRAME_PARM_SAVE2 12 +#define _FRAME_PARM_SAVE3 16 +#define _FRAME_PARM_SAVE4 20 + +#ifdef __CONTEXT_ENABLE_VRS + .machine "altivec" +#endif +ENTRY(__CONTEXT_FUNC_NAME) + stwu r1,-16(r1) + cfi_adjust_cfa_offset (16) +/* Insure that the _UC_REGS start on a quadword boundary. */ + stw r3,_FRAME_PARM_SAVE1(r1) + addi r3,r3,_UC_REG_SPACE+12 + stw r4,_FRAME_PARM_SAVE2(r1) /* new context pointer */ + clrrwi r3,r3,4 + +/* Save the general purpose registers */ + stw r0,_UC_GREGS+(PT_R0*4)(r3) + mflr r0 + stw r2,_UC_GREGS+(PT_R2*4)(r3) + stw r4,_UC_GREGS+(PT_R4*4)(r3) +/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers + return address. */ + stw r0,_UC_GREGS+(PT_LNK*4)(r3) + stw r0,_UC_GREGS+(PT_NIP*4)(r3) + stw r0,_FRAME_LR_SAVE+16(r1) + cfi_offset (lr, _FRAME_LR_SAVE) + stw r5,_UC_GREGS+(PT_R5*4)(r3) + stw r6,_UC_GREGS+(PT_R6*4)(r3) + stw r7,_UC_GREGS+(PT_R7*4)(r3) + stw r8,_UC_GREGS+(PT_R8*4)(r3) + stw r9,_UC_GREGS+(PT_R9*4)(r3) + stw r10,_UC_GREGS+(PT_R10*4)(r3) + stw r11,_UC_GREGS+(PT_R11*4)(r3) + stw r12,_UC_GREGS+(PT_R12*4)(r3) + stw r13,_UC_GREGS+(PT_R13*4)(r3) + stw r14,_UC_GREGS+(PT_R14*4)(r3) + stw r15,_UC_GREGS+(PT_R15*4)(r3) + stw r16,_UC_GREGS+(PT_R16*4)(r3) + stw r17,_UC_GREGS+(PT_R17*4)(r3) + stw r18,_UC_GREGS+(PT_R18*4)(r3) + stw r19,_UC_GREGS+(PT_R19*4)(r3) + stw r20,_UC_GREGS+(PT_R20*4)(r3) + stw r21,_UC_GREGS+(PT_R21*4)(r3) + stw r22,_UC_GREGS+(PT_R22*4)(r3) + stw r23,_UC_GREGS+(PT_R23*4)(r3) + stw r24,_UC_GREGS+(PT_R24*4)(r3) + stw r25,_UC_GREGS+(PT_R25*4)(r3) + stw r26,_UC_GREGS+(PT_R26*4)(r3) + stw r27,_UC_GREGS+(PT_R27*4)(r3) + stw r28,_UC_GREGS+(PT_R28*4)(r3) + stw r29,_UC_GREGS+(PT_R29*4)(r3) + stw r30,_UC_GREGS+(PT_R30*4)(r3) + stw r31,_UC_GREGS+(PT_R31*4)(r3) + +/* Save the value of R1. We had to push the stack before we + had the address of uc_reg_space. So compute the address of + the callers stack pointer and save it as R1. */ + addi r8,r1,16 + li r0,0 +/* Save the count, exception and condition registers. */ + mfctr r11 + mfxer r10 + mfcr r9 + stw r8,_UC_GREGS+(PT_R1*4)(r3) + stw r11,_UC_GREGS+(PT_CTR*4)(r3) + stw r10,_UC_GREGS+(PT_XER*4)(r3) + stw r9,_UC_GREGS+(PT_CCR*4)(r3) +/* Set the return value of getcontext to "success". R3 is the only + register whose value is not preserved in the saved context. */ + stw r0,_UC_GREGS+(PT_R3*4)(r3) + + /* Zero fill fields that can't be set in user state. */ + stw r0,_UC_GREGS+(PT_MSR*4)(r3) + stw r0,_UC_GREGS+(PT_MQ*4)(r3) + +#ifdef __CONTEXT_ENABLE_FPRS + /* Save the floating-point registers */ + stfd fp0,_UC_FREGS+(0*8)(r3) + stfd fp1,_UC_FREGS+(1*8)(r3) + stfd fp2,_UC_FREGS+(2*8)(r3) + stfd fp3,_UC_FREGS+(3*8)(r3) + stfd fp4,_UC_FREGS+(4*8)(r3) + stfd fp5,_UC_FREGS+(5*8)(r3) + stfd fp6,_UC_FREGS+(6*8)(r3) + stfd fp7,_UC_FREGS+(7*8)(r3) + stfd fp8,_UC_FREGS+(8*8)(r3) + stfd fp9,_UC_FREGS+(9*8)(r3) + stfd fp10,_UC_FREGS+(10*8)(r3) + stfd fp11,_UC_FREGS+(11*8)(r3) + stfd fp12,_UC_FREGS+(12*8)(r3) + stfd fp13,_UC_FREGS+(13*8)(r3) + stfd fp14,_UC_FREGS+(14*8)(r3) + stfd fp15,_UC_FREGS+(15*8)(r3) + stfd fp16,_UC_FREGS+(16*8)(r3) + stfd fp17,_UC_FREGS+(17*8)(r3) + stfd fp18,_UC_FREGS+(18*8)(r3) + stfd fp19,_UC_FREGS+(19*8)(r3) + stfd fp20,_UC_FREGS+(20*8)(r3) + stfd fp21,_UC_FREGS+(21*8)(r3) + stfd fp22,_UC_FREGS+(22*8)(r3) + stfd fp23,_UC_FREGS+(23*8)(r3) + stfd fp24,_UC_FREGS+(24*8)(r3) + stfd fp25,_UC_FREGS+(25*8)(r3) + stfd fp26,_UC_FREGS+(26*8)(r3) + stfd fp27,_UC_FREGS+(27*8)(r3) + stfd fp28,_UC_FREGS+(28*8)(r3) + stfd fp29,_UC_FREGS+(29*8)(r3) + mffs fp0 + stfd fp30,_UC_FREGS+(30*8)(r3) + stfd fp31,_UC_FREGS+(31*8)(r3) + stfd fp0,_UC_FREGS+(32*8)(r3) + +# ifdef __CONTEXT_ENABLE_VRS +# ifdef PIC + mflr r8 +# ifdef HAVE_ASM_PPC_REL16 + bcl 20,31,1f +1: mflr r7 + addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha + addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l +# else + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r7 +# endif +# ifdef SHARED + lwz r7,_rtld_global_ro@got(r7) + mtlr r8 + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) +# else + lwz r7,_dl_hwcap@got(r7) + mtlr r8 + lwz r7,0(r7) +# endif +# else + lis r7,_dl_hwcap@ha + lwz r7,_dl_hwcap@l(r7) +# endif + andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) + + la r10,(_UC_VREGS)(r3) + la r9,(_UC_VREGS+16)(r3) + +/* beq L(no_vec)*/ + beq 2f +/* address of the combined VSCR/VSAVE quadword. */ + la r8,(_UC_VREGS+512)(r3) + +/* Save the vector registers */ + stvx v0,0,r10 + stvx v1,0,r9 + addi r10,r10,32 + addi r9,r9,32 +/* We need to get the Vector Status and Control Register early to avoid + store order problems later with the VSAVE register that shares the + same quadword. */ + mfvscr v0 + + stvx v2,0,r10 + stvx v3,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v0,0,r8 + + stvx v4,0,r10 + stvx v5,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v6,0,r10 + stvx v7,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v8,0,r10 + stvx v9,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v10,0,r10 + stvx v11,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v12,0,r10 + stvx v13,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v14,0,r10 + stvx v15,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v16,0,r10 + stvx v17,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v18,0,r10 + stvx v19,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v20,0,r10 + stvx v21,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v22,0,r10 + stvx v23,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v24,0,r10 + stvx v25,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v26,0,r10 + stvx v27,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + stvx v28,0,r10 + stvx v29,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + mfvscr v0 + stvx v30,0,r10 + stvx v31,0,r9 + stw r0,0(r8) + +2: /*L(no_vec):*/ +# endif /* __CONTEXT_ENABLE_VRS */ +#endif /* __CONTEXT_ENABLE_FPRS */ + +/* Restore ucontext (parm1) from stack. */ + lwz r12,_FRAME_PARM_SAVE1(r1) + li r4,0 + stw r3,_UC_REGS_PTR(r12) + addi r5,r12,_UC_SIGMASK + li r3,SIG_SETMASK + bl __sigprocmask@local + cmpwi r3,0 + bne 3f /* L(error_exit) */ + + /* + * If the new ucontext refers to the point where we were interrupted + * by a signal, we have to use the rt_sigreturn system call to + * return to the context so we get both LR and CTR restored. + * + * Otherwise, the context we are restoring is either just after + * a procedure call (getcontext/swapcontext) or at the beginning + * of a procedure call (makecontext), so we don't need to restore + * r0, xer, ctr. We don't restore r2 since it will be used as + * the TLS pointer. + */ + lwz r4,_FRAME_PARM_SAVE2(r1) + lwz r31,_UC_REGS_PTR(r4) + lwz r0,_UC_GREGS+(PT_MSR*4)(r31) + cmpwi r0,0 + bne 4f /* L(do_sigret) */ + +#ifdef __CONTEXT_ENABLE_FPRS +# ifdef __CONTEXT_ENABLE_VRS + +# ifdef PIC + mflr r8 +# ifdef HAVE_ASM_PPC_REL16 + bcl 20,31,5f +5: mflr r7 + addis r7,r7,_GLOBAL_OFFSET_TABLE_-1b@ha + addi r7,r7,_GLOBAL_OFFSET_TABLE_-1b@l +# else + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr r7 +# endif + mtlr r8 +# ifdef SHARED + lwz r7,_rtld_global_ro@got(r7) + lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) +# else + lwz r7,_dl_hwcap@got(r7) + lwz r7,0(r7) +# endif +# else + lis r7,_dl_hwcap@ha + lwz r7,_dl_hwcap@l(r7) +# endif + andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) + la r10,(_UC_VREGS)(r31) + beq 6f /* L(has_no_vec) */ + + lwz r0,(32*16)(r10) + li r9,(32*16) + cmpwi r0,0 + mtspr VRSAVE,r0 + beq 6f /* L(has_no_vec) */ + + lvx v19,r9,r10 + la r9,(16)(r10) + + lvx v0,0,r10 + lvx v1,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + mtvscr v19 + lvx v2,0,r10 + lvx v3,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v4,0,r10 + lvx v5,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v6,0,r10 + lvx v7,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v8,0,r10 + lvx v9,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v10,0,r10 + lvx v11,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v12,0,r10 + lvx v13,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v14,0,r10 + lvx v15,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v16,0,r10 + lvx v17,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v18,0,r10 + lvx v19,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v20,0,r10 + lvx v21,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v22,0,r10 + lvx v23,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v24,0,r10 + lvx v25,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v26,0,r10 + lvx v27,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v28,0,r10 + lvx v29,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v30,0,r10 + lvx v31,0,r9 + addi r10,r10,32 + addi r9,r9,32 + + lvx v10,0,r10 + lvx v11,0,r9 + +6: /* L(has_no_vec): */ +# endif /* __CONTEXT_ENABLE_VRS */ + /* Restore the floating-point registers */ + lfd fp31,_UC_FREGS+(32*8)(r31) + lfd fp0,_UC_FREGS+(0*8)(r31) + mtfsf 0xff,fp31 + lfd fp1,_UC_FREGS+(1*8)(r31) + lfd fp2,_UC_FREGS+(2*8)(r31) + lfd fp3,_UC_FREGS+(3*8)(r31) + lfd fp4,_UC_FREGS+(4*8)(r31) + lfd fp5,_UC_FREGS+(5*8)(r31) + lfd fp6,_UC_FREGS+(6*8)(r31) + lfd fp7,_UC_FREGS+(7*8)(r31) + lfd fp8,_UC_FREGS+(8*8)(r31) + lfd fp9,_UC_FREGS+(9*8)(r31) + lfd fp10,_UC_FREGS+(10*8)(r31) + lfd fp11,_UC_FREGS+(11*8)(r31) + lfd fp12,_UC_FREGS+(12*8)(r31) + lfd fp13,_UC_FREGS+(13*8)(r31) + lfd fp14,_UC_FREGS+(14*8)(r31) + lfd fp15,_UC_FREGS+(15*8)(r31) + lfd fp16,_UC_FREGS+(16*8)(r31) + lfd fp17,_UC_FREGS+(17*8)(r31) + lfd fp18,_UC_FREGS+(18*8)(r31) + lfd fp19,_UC_FREGS+(19*8)(r31) + lfd fp20,_UC_FREGS+(20*8)(r31) + lfd fp21,_UC_FREGS+(21*8)(r31) + lfd fp22,_UC_FREGS+(22*8)(r31) + lfd fp23,_UC_FREGS+(23*8)(r31) + lfd fp24,_UC_FREGS+(24*8)(r31) + lfd fp25,_UC_FREGS+(25*8)(r31) + lfd fp26,_UC_FREGS+(26*8)(r31) + lfd fp27,_UC_FREGS+(27*8)(r31) + lfd fp28,_UC_FREGS+(28*8)(r31) + lfd fp29,_UC_FREGS+(29*8)(r31) + lfd fp30,_UC_FREGS+(30*8)(r31) + lfd fp31,_UC_FREGS+(31*8)(r31) +#endif /* __CONTEXT_ENABLE_FPRS */ + + /* Restore LR and CCR, and set CTR to the NIP value */ + lwz r3,_UC_GREGS+(PT_LNK*4)(r31) + lwz r4,_UC_GREGS+(PT_NIP*4)(r31) + lwz r5,_UC_GREGS+(PT_CCR*4)(r31) + mtlr r3 + mtctr r4 + mtcr r5 + + /* Restore the general registers */ + lwz r3,_UC_GREGS+(PT_R3*4)(r31) + lwz r4,_UC_GREGS+(PT_R4*4)(r31) + lwz r5,_UC_GREGS+(PT_R5*4)(r31) + lwz r6,_UC_GREGS+(PT_R6*4)(r31) + lwz r7,_UC_GREGS+(PT_R7*4)(r31) + lwz r8,_UC_GREGS+(PT_R8*4)(r31) + lwz r9,_UC_GREGS+(PT_R9*4)(r31) + lwz r10,_UC_GREGS+(PT_R10*4)(r31) + lwz r11,_UC_GREGS+(PT_R11*4)(r31) + lwz r12,_UC_GREGS+(PT_R12*4)(r31) + lwz r13,_UC_GREGS+(PT_R13*4)(r31) + lwz r14,_UC_GREGS+(PT_R14*4)(r31) + lwz r15,_UC_GREGS+(PT_R15*4)(r31) + lwz r16,_UC_GREGS+(PT_R16*4)(r31) + lwz r17,_UC_GREGS+(PT_R17*4)(r31) + lwz r18,_UC_GREGS+(PT_R18*4)(r31) + lwz r19,_UC_GREGS+(PT_R19*4)(r31) + lwz r20,_UC_GREGS+(PT_R20*4)(r31) + lwz r21,_UC_GREGS+(PT_R21*4)(r31) + lwz r22,_UC_GREGS+(PT_R22*4)(r31) + lwz r23,_UC_GREGS+(PT_R23*4)(r31) + lwz r24,_UC_GREGS+(PT_R24*4)(r31) + lwz r25,_UC_GREGS+(PT_R25*4)(r31) + lwz r26,_UC_GREGS+(PT_R26*4)(r31) + lwz r27,_UC_GREGS+(PT_R27*4)(r31) + lwz r28,_UC_GREGS+(PT_R28*4)(r31) + lwz r29,_UC_GREGS+(PT_R29*4)(r31) + lwz r30,_UC_GREGS+(PT_R30*4)(r31) + lwz r1,_UC_GREGS+(PT_R1*4)(r31) + lwz r31,_UC_GREGS+(PT_R31*4)(r31) + + bctr + +3:/*L(error_exit):*/ + lwz r0,_FRAME_LR_SAVE+16(r1) + addi r1,r1,16 + mtlr r0 + blr + +4:/*L(do_sigret):*/ + addi r1,r4,-0xd0 + li r0,SYS_ify(rt_sigreturn) + sc + /* NOTREACHED */ + +END(__CONTEXT_FUNC_NAME) + diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S index c4f0faddc3..0605f3d107 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S @@ -1,5 +1,5 @@ /* Save current context and jump to a new context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,684 +14,53 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> #include "ucontext_i.h" - .machine "altivec" -ENTRY(__swapcontext) - stwu r1,-16(r1) -/* Insure that the _UC_REGS start on a quadword boundary. */ - stw r3,_FRAME_PARM_SAVE1(r1) - addi r3,r3,_UC_REG_SPACE+12 - stw r4,_FRAME_PARM_SAVE2(r1) /* new context pointer */ - clrrwi r3,r3,4 - -/* Save the general purpose registers */ - stw r0,_UC_GREGS+(PT_R0*4)(r3) - mflr r0 - stw r2,_UC_GREGS+(PT_R2*4)(r3) - stw r4,_UC_GREGS+(PT_R4*4)(r3) -/* Set the callers LR_SAVE, and the ucontext LR and NIP to the callers - return address. */ - stw r0,_UC_GREGS+(PT_LNK*4)(r3) - stw r0,_UC_GREGS+(PT_NIP*4)(r3) - stw r0,_FRAME_LR_SAVE+16(r1) - stw r5,_UC_GREGS+(PT_R5*4)(r3) - stw r6,_UC_GREGS+(PT_R6*4)(r3) - stw r7,_UC_GREGS+(PT_R7*4)(r3) - stw r8,_UC_GREGS+(PT_R8*4)(r3) - stw r9,_UC_GREGS+(PT_R9*4)(r3) - stw r10,_UC_GREGS+(PT_R10*4)(r3) - stw r11,_UC_GREGS+(PT_R11*4)(r3) - stw r12,_UC_GREGS+(PT_R12*4)(r3) - stw r13,_UC_GREGS+(PT_R13*4)(r3) - stw r14,_UC_GREGS+(PT_R14*4)(r3) - stw r15,_UC_GREGS+(PT_R15*4)(r3) - stw r16,_UC_GREGS+(PT_R16*4)(r3) - stw r17,_UC_GREGS+(PT_R17*4)(r3) - stw r18,_UC_GREGS+(PT_R18*4)(r3) - stw r19,_UC_GREGS+(PT_R19*4)(r3) - stw r20,_UC_GREGS+(PT_R20*4)(r3) - stw r21,_UC_GREGS+(PT_R21*4)(r3) - stw r22,_UC_GREGS+(PT_R22*4)(r3) - stw r23,_UC_GREGS+(PT_R23*4)(r3) - stw r24,_UC_GREGS+(PT_R24*4)(r3) - stw r25,_UC_GREGS+(PT_R25*4)(r3) - stw r26,_UC_GREGS+(PT_R26*4)(r3) - stw r27,_UC_GREGS+(PT_R27*4)(r3) - stw r28,_UC_GREGS+(PT_R28*4)(r3) - stw r29,_UC_GREGS+(PT_R29*4)(r3) - stw r30,_UC_GREGS+(PT_R30*4)(r3) - stw r31,_UC_GREGS+(PT_R31*4)(r3) - -/* Save the value of R1. We had to push the stack before we - had the address of uc_reg_space. So compute the address of - the callers stack pointer and save it as R1. */ - addi r8,r1,16 - li r0,0 -/* Save the count, exception and condition registers. */ - mfctr r11 - mfxer r10 - mfcr r9 - stw r8,_UC_GREGS+(PT_R1*4)(r3) - stw r11,_UC_GREGS+(PT_CTR*4)(r3) - stw r10,_UC_GREGS+(PT_XER*4)(r3) - stw r9,_UC_GREGS+(PT_CCR*4)(r3) -/* Set the return value of getcontext to "success". R3 is the only - register whose value is not preserved in the saved context. */ - stw r0,_UC_GREGS+(PT_R3*4)(r3) - - /* Zero fill fields that can't be set in user state. */ - stw r0,_UC_GREGS+(PT_MSR*4)(r3) - stw r0,_UC_GREGS+(PT_MQ*4)(r3) - - /* Save the floating-point registers */ - stfd fp0,_UC_FREGS+(0*8)(r3) - stfd fp1,_UC_FREGS+(1*8)(r3) - stfd fp2,_UC_FREGS+(2*8)(r3) - stfd fp3,_UC_FREGS+(3*8)(r3) - stfd fp4,_UC_FREGS+(4*8)(r3) - stfd fp5,_UC_FREGS+(5*8)(r3) - stfd fp6,_UC_FREGS+(6*8)(r3) - stfd fp7,_UC_FREGS+(7*8)(r3) - stfd fp8,_UC_FREGS+(8*8)(r3) - stfd fp9,_UC_FREGS+(9*8)(r3) - stfd fp10,_UC_FREGS+(10*8)(r3) - stfd fp11,_UC_FREGS+(11*8)(r3) - stfd fp12,_UC_FREGS+(12*8)(r3) - stfd fp13,_UC_FREGS+(13*8)(r3) - stfd fp14,_UC_FREGS+(14*8)(r3) - stfd fp15,_UC_FREGS+(15*8)(r3) - stfd fp16,_UC_FREGS+(16*8)(r3) - stfd fp17,_UC_FREGS+(17*8)(r3) - stfd fp18,_UC_FREGS+(18*8)(r3) - stfd fp19,_UC_FREGS+(19*8)(r3) - stfd fp20,_UC_FREGS+(20*8)(r3) - stfd fp21,_UC_FREGS+(21*8)(r3) - stfd fp22,_UC_FREGS+(22*8)(r3) - stfd fp23,_UC_FREGS+(23*8)(r3) - stfd fp24,_UC_FREGS+(24*8)(r3) - stfd fp25,_UC_FREGS+(25*8)(r3) - stfd fp26,_UC_FREGS+(26*8)(r3) - stfd fp27,_UC_FREGS+(27*8)(r3) - stfd fp28,_UC_FREGS+(28*8)(r3) - stfd fp29,_UC_FREGS+(29*8)(r3) - mffs fp0 - stfd fp30,_UC_FREGS+(30*8)(r3) - stfd fp31,_UC_FREGS+(31*8)(r3) - stfd fp0,_UC_FREGS+(32*8)(r3) -#ifdef PIC - mflr r8 - bl _GLOBAL_OFFSET_TABLE_@local-4 - mflr r7 -# ifdef SHARED - lwz r7,_rtld_global_ro@got(r7) - mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) -# else - lwz r7,_dl_hwcap@got(r7) - mtlr r8 - lwz r7,0(r7) -# endif -#else - lis r7,_dl_hwcap@ha - lwz r7,_dl_hwcap@l(r7) -#endif - andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) - - la r10,(_UC_VREGS)(r3) - la r9,(_UC_VREGS+16)(r3) - - beq L(no_vec) -/* address of the combined VSCR/VSAVE quadword. */ - la r8,(_UC_VREGS+512)(r3) - -/* Save the vector registers */ - stvx v0,0,r10 - stvx v1,0,r9 - addi r10,r10,32 - addi r9,r9,32 -/* We need to get the Vector Status and Control Register early to avoid - store order problems later with the VSAVE register that shares the - same quadword. */ - mfvscr v0 - - stvx v2,0,r10 - stvx v3,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v0,0,r8 - - stvx v4,0,r10 - stvx v5,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v6,0,r10 - stvx v7,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v8,0,r10 - stvx v9,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v10,0,r10 - stvx v11,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v12,0,r10 - stvx v13,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v14,0,r10 - stvx v15,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v16,0,r10 - stvx v17,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v18,0,r10 - stvx v19,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v20,0,r10 - stvx v21,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v22,0,r10 - stvx v23,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v24,0,r10 - stvx v25,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v26,0,r10 - stvx v27,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - stvx v28,0,r10 - stvx v29,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - mfvscr v0 - stvx v30,0,r10 - stvx v31,0,r9 - - stw r0,0(r8) - -L(no_vec): -/* Restore ucontext (parm1) from stack. */ - lwz r12,_FRAME_PARM_SAVE1(r1) - li r4,0 - stw r3,_UC_REGS_PTR(r12) - addi r5,r12,_UC_SIGMASK - li r3,SIG_SETMASK - bl JUMPTARGET(__sigprocmask) - cmpwi r3,0 - bne L(error_exit) - - /* - * If the new ucontext refers to the point where we were interrupted - * by a signal, we have to use the rt_sigreturn system call to - * return to the context so we get both LR and CTR restored. - * - * Otherwise, the context we are restoring is either just after - * a procedure call (getcontext/swapcontext) or at the beginning - * of a procedure call (makecontext), so we don't need to restore - * r0, xer, ctr. We don't restore r2 since it will be used as - * the TLS pointer. - */ - lwz r4,_FRAME_PARM_SAVE2(r1) - lwz r31,_UC_REGS_PTR(r4) - lwz r0,_UC_GREGS+(PT_MSR*4)(r31) - cmpwi r0,0 - bne L(do_sigret) - -#ifdef PIC - mflr r8 - bl _GLOBAL_OFFSET_TABLE_@local-4 - mflr r7 -# ifdef SHARED - lwz r7,_rtld_global_ro@got(r7) - mtlr r8 - lwz r7,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET(r7) -# else - lwz r7,_dl_hwcap@got(r7) - mtlr r8 - lwz r7,0(r7) -# endif -#else - lis r7,_dl_hwcap@ha - lwz r7,_dl_hwcap@l(r7) -#endif - andis. r7,r7,(PPC_FEATURE_HAS_ALTIVEC >> 16) - la r10,(_UC_VREGS)(r31) - beq L(has_no_vec) - - lwz r0,(32*16)(r10) - li r9,(32*16) - cmpwi r0,0 - mtspr VRSAVE,r0 - beq L(has_no_vec) - - lvx v19,r9,r10 - la r9,(16)(r10) - - lvx v0,0,r10 - lvx v1,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - mtvscr v19 - lvx v2,0,r10 - lvx v3,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v4,0,r10 - lvx v5,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v6,0,r10 - lvx v7,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v8,0,r10 - lvx v9,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v10,0,r10 - lvx v11,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v12,0,r10 - lvx v13,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v14,0,r10 - lvx v15,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v16,0,r10 - lvx v17,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v18,0,r10 - lvx v19,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v20,0,r10 - lvx v21,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v22,0,r10 - lvx v23,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v24,0,r10 - lvx v25,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v26,0,r10 - lvx v27,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v28,0,r10 - lvx v29,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v30,0,r10 - lvx v31,0,r9 - addi r10,r10,32 - addi r9,r9,32 - - lvx v10,0,r10 - lvx v11,0,r9 - -L(has_no_vec): - /* Restore the floating-point registers */ - lfd fp31,_UC_FREGS+(32*8)(r31) - lfd fp0,_UC_FREGS+(0*8)(r31) - mtfsf 0xff,fp31 - lfd fp1,_UC_FREGS+(1*8)(r31) - lfd fp2,_UC_FREGS+(2*8)(r31) - lfd fp3,_UC_FREGS+(3*8)(r31) - lfd fp4,_UC_FREGS+(4*8)(r31) - lfd fp5,_UC_FREGS+(5*8)(r31) - lfd fp6,_UC_FREGS+(6*8)(r31) - lfd fp7,_UC_FREGS+(7*8)(r31) - lfd fp8,_UC_FREGS+(8*8)(r31) - lfd fp9,_UC_FREGS+(9*8)(r31) - lfd fp10,_UC_FREGS+(10*8)(r31) - lfd fp11,_UC_FREGS+(11*8)(r31) - lfd fp12,_UC_FREGS+(12*8)(r31) - lfd fp13,_UC_FREGS+(13*8)(r31) - lfd fp14,_UC_FREGS+(14*8)(r31) - lfd fp15,_UC_FREGS+(15*8)(r31) - lfd fp16,_UC_FREGS+(16*8)(r31) - lfd fp17,_UC_FREGS+(17*8)(r31) - lfd fp18,_UC_FREGS+(18*8)(r31) - lfd fp19,_UC_FREGS+(19*8)(r31) - lfd fp20,_UC_FREGS+(20*8)(r31) - lfd fp21,_UC_FREGS+(21*8)(r31) - lfd fp22,_UC_FREGS+(22*8)(r31) - lfd fp23,_UC_FREGS+(23*8)(r31) - lfd fp24,_UC_FREGS+(24*8)(r31) - lfd fp25,_UC_FREGS+(25*8)(r31) - lfd fp26,_UC_FREGS+(26*8)(r31) - lfd fp27,_UC_FREGS+(27*8)(r31) - lfd fp28,_UC_FREGS+(28*8)(r31) - lfd fp29,_UC_FREGS+(29*8)(r31) - lfd fp30,_UC_FREGS+(30*8)(r31) - lfd fp31,_UC_FREGS+(31*8)(r31) - - /* Restore LR and CCR, and set CTR to the NIP value */ - lwz r3,_UC_GREGS+(PT_LNK*4)(r31) - lwz r4,_UC_GREGS+(PT_NIP*4)(r31) - lwz r5,_UC_GREGS+(PT_CCR*4)(r31) - mtlr r3 - mtctr r4 - mtcr r5 - - /* Restore the general registers */ - lwz r1,_UC_GREGS+(PT_R1*4)(r31) - lwz r3,_UC_GREGS+(PT_R3*4)(r31) - lwz r4,_UC_GREGS+(PT_R4*4)(r31) - lwz r5,_UC_GREGS+(PT_R5*4)(r31) - lwz r6,_UC_GREGS+(PT_R6*4)(r31) - lwz r7,_UC_GREGS+(PT_R7*4)(r31) - lwz r8,_UC_GREGS+(PT_R8*4)(r31) - lwz r9,_UC_GREGS+(PT_R9*4)(r31) - lwz r10,_UC_GREGS+(PT_R10*4)(r31) - lwz r11,_UC_GREGS+(PT_R11*4)(r31) - lwz r12,_UC_GREGS+(PT_R12*4)(r31) - lwz r13,_UC_GREGS+(PT_R13*4)(r31) - lwz r14,_UC_GREGS+(PT_R14*4)(r31) - lwz r15,_UC_GREGS+(PT_R15*4)(r31) - lwz r16,_UC_GREGS+(PT_R16*4)(r31) - lwz r17,_UC_GREGS+(PT_R17*4)(r31) - lwz r18,_UC_GREGS+(PT_R18*4)(r31) - lwz r19,_UC_GREGS+(PT_R19*4)(r31) - lwz r20,_UC_GREGS+(PT_R20*4)(r31) - lwz r21,_UC_GREGS+(PT_R21*4)(r31) - lwz r22,_UC_GREGS+(PT_R22*4)(r31) - lwz r23,_UC_GREGS+(PT_R23*4)(r31) - lwz r24,_UC_GREGS+(PT_R24*4)(r31) - lwz r25,_UC_GREGS+(PT_R25*4)(r31) - lwz r26,_UC_GREGS+(PT_R26*4)(r31) - lwz r27,_UC_GREGS+(PT_R27*4)(r31) - lwz r28,_UC_GREGS+(PT_R28*4)(r31) - lwz r29,_UC_GREGS+(PT_R29*4)(r31) - lwz r30,_UC_GREGS+(PT_R30*4)(r31) - lwz r31,_UC_GREGS+(PT_R31*4)(r31) - - bctr - -L(error_exit): - lwz r0,_FRAME_LR_SAVE+16(r1) - addi r1,r1,16 - mtlr r0 +#define __CONTEXT_FUNC_NAME __swapcontext +#define __CONTEXT_ENABLE_FPRS 1 +#define __CONTEXT_ENABLE_VRS 1 + +/* Size of ucontext in GLIBC_2.3.4 and later. */ +#define _UC_SIZE_2_3_4 1184 + +#ifdef __ASSUME_SWAPCONTEXT_SYSCALL + .section ".text"; +ENTRY (__swapcontext) + li r5,_UC_SIZE_2_3_4; + DO_CALL (SYS_ify (swapcontext)); + bso- cr0,1f +/* the kernel does not set the return code for the success case */ + li r3,0 blr - -L(do_sigret): - addi r1,r4,-0xd0 - li r0,SYS_ify(rt_sigreturn) - sc - /* NOTREACHED */ - +1: + b __syscall_error@local END(__swapcontext) +#else +# include "swapcontext-common.S" +#endif versioned_symbol (libc, __swapcontext, swapcontext, GLIBC_2_3_4) #if SHLIB_COMPAT (libc, GLIBC_2_3_3, GLIBC_2_3_4) compat_text_section -ENTRY(__novec_swapcontext) - /* Save the current context */ - addi r3,r3,_UC_REG_SPACE - stw r3,_UC_REGS_PTR - _UC_REG_SPACE(r3) - stw r0,_UC_GREGS+(PT_R0*4)(r3) - stw r1,_UC_GREGS+(PT_R1*4)(r3) - mflr r0 - stwu r1,-16(r1) - stw r0,20(r1) - stw r31,12(r1) - stw r31,_UC_GREGS+(PT_R31*4)(r3) - mr r31,r4 /* new context pointer */ - stw r0,_UC_GREGS+(PT_LNK*4)(r3) - stw r0,_UC_GREGS+(PT_NIP*4)(r3) - stw r2,_UC_GREGS+(PT_R2*4)(r3) - stw r4,_UC_GREGS+(PT_R4*4)(r3) - stw r5,_UC_GREGS+(PT_R5*4)(r3) - stw r6,_UC_GREGS+(PT_R6*4)(r3) - stw r7,_UC_GREGS+(PT_R7*4)(r3) - stw r8,_UC_GREGS+(PT_R8*4)(r3) - stw r9,_UC_GREGS+(PT_R9*4)(r3) - stw r10,_UC_GREGS+(PT_R10*4)(r3) - stw r11,_UC_GREGS+(PT_R11*4)(r3) - stw r12,_UC_GREGS+(PT_R12*4)(r3) - stw r13,_UC_GREGS+(PT_R13*4)(r3) - stw r14,_UC_GREGS+(PT_R14*4)(r3) - stw r15,_UC_GREGS+(PT_R15*4)(r3) - stw r16,_UC_GREGS+(PT_R16*4)(r3) - stw r17,_UC_GREGS+(PT_R17*4)(r3) - stw r18,_UC_GREGS+(PT_R18*4)(r3) - stw r19,_UC_GREGS+(PT_R19*4)(r3) - stw r20,_UC_GREGS+(PT_R20*4)(r3) - stw r21,_UC_GREGS+(PT_R21*4)(r3) - stw r22,_UC_GREGS+(PT_R22*4)(r3) - stw r23,_UC_GREGS+(PT_R23*4)(r3) - stw r24,_UC_GREGS+(PT_R24*4)(r3) - stw r25,_UC_GREGS+(PT_R25*4)(r3) - stw r26,_UC_GREGS+(PT_R26*4)(r3) - stw r27,_UC_GREGS+(PT_R27*4)(r3) - stw r28,_UC_GREGS+(PT_R28*4)(r3) - stw r29,_UC_GREGS+(PT_R29*4)(r3) - stw r30,_UC_GREGS+(PT_R30*4)(r3) - mfctr r0 - stw r0,_UC_GREGS+(PT_CTR*4)(r3) - mfxer r0 - stw r0,_UC_GREGS+(PT_XER*4)(r3) - mfcr r0 - stw r0,_UC_GREGS+(PT_CCR*4)(r3) - - /* Set the return value of swapcontext to "success". R3 is the only - register whose value is not preserved in the saved context. */ - li r0,0 - stw r0,_UC_GREGS+(PT_R3*4)(r3) - - /* Zero fill fields that can't be set in user state. */ - stw r0,_UC_GREGS+(PT_MSR*4)(r3) - stw r0,_UC_GREGS+(PT_MQ*4)(r3) - - /* Save the floating-point registers */ - stfd fp0,_UC_FREGS+(0*8)(r3) - stfd fp1,_UC_FREGS+(1*8)(r3) - stfd fp2,_UC_FREGS+(2*8)(r3) - stfd fp3,_UC_FREGS+(3*8)(r3) - stfd fp4,_UC_FREGS+(4*8)(r3) - stfd fp5,_UC_FREGS+(5*8)(r3) - stfd fp6,_UC_FREGS+(6*8)(r3) - stfd fp7,_UC_FREGS+(7*8)(r3) - stfd fp8,_UC_FREGS+(8*8)(r3) - stfd fp9,_UC_FREGS+(9*8)(r3) - stfd fp10,_UC_FREGS+(10*8)(r3) - stfd fp11,_UC_FREGS+(11*8)(r3) - stfd fp12,_UC_FREGS+(12*8)(r3) - stfd fp13,_UC_FREGS+(13*8)(r3) - stfd fp14,_UC_FREGS+(14*8)(r3) - stfd fp15,_UC_FREGS+(15*8)(r3) - stfd fp16,_UC_FREGS+(16*8)(r3) - stfd fp17,_UC_FREGS+(17*8)(r3) - stfd fp18,_UC_FREGS+(18*8)(r3) - stfd fp19,_UC_FREGS+(19*8)(r3) - stfd fp20,_UC_FREGS+(20*8)(r3) - stfd fp21,_UC_FREGS+(21*8)(r3) - stfd fp22,_UC_FREGS+(22*8)(r3) - stfd fp23,_UC_FREGS+(23*8)(r3) - stfd fp24,_UC_FREGS+(24*8)(r3) - stfd fp25,_UC_FREGS+(25*8)(r3) - stfd fp26,_UC_FREGS+(26*8)(r3) - stfd fp27,_UC_FREGS+(27*8)(r3) - stfd fp28,_UC_FREGS+(28*8)(r3) - stfd fp29,_UC_FREGS+(29*8)(r3) - mffs fp0 - stfd fp30,_UC_FREGS+(30*8)(r3) - stfd fp31,_UC_FREGS+(31*8)(r3) - stfd fp0,_UC_FREGS+(32*8)(r3) - - addi r5,r3,_UC_SIGMASK - _UC_REG_SPACE - addi r4,r4,_UC_SIGMASK - li r3,SIG_SETMASK - bl JUMPTARGET(__sigprocmask) - cmpwi r3,0 - bne L(novec_error_exit) - - /* - * If the new ucontext refers to the point where we were interrupted - * by a signal, we have to use the rt_sigreturn system call to - * return to the context so we get both LR and CTR restored. - * - * Otherwise, the context we are restoring is either just after - * a procedure call (getcontext/swapcontext) or at the beginning - * of a procedure call (makecontext), so we don't need to restore - * r0, xer, ctr. We don't restore r2 since it will be used as - * the TLS pointer. - */ - mr r4,r31 - lwz r31,_UC_REGS_PTR(r31) - lwz r0,_UC_GREGS+(PT_MSR*4)(r31) - cmpwi r0,0 - bne L(novec_do_sigret) - - /* Restore the floating-point registers */ - lfd fp31,_UC_FREGS+(32*8)(r31) - lfd fp0,_UC_FREGS+(0*8)(r31) - mtfsf 0xff,fp31 - lfd fp1,_UC_FREGS+(1*8)(r31) - lfd fp2,_UC_FREGS+(2*8)(r31) - lfd fp3,_UC_FREGS+(3*8)(r31) - lfd fp4,_UC_FREGS+(4*8)(r31) - lfd fp5,_UC_FREGS+(5*8)(r31) - lfd fp6,_UC_FREGS+(6*8)(r31) - lfd fp7,_UC_FREGS+(7*8)(r31) - lfd fp8,_UC_FREGS+(8*8)(r31) - lfd fp9,_UC_FREGS+(9*8)(r31) - lfd fp10,_UC_FREGS+(10*8)(r31) - lfd fp11,_UC_FREGS+(11*8)(r31) - lfd fp12,_UC_FREGS+(12*8)(r31) - lfd fp13,_UC_FREGS+(13*8)(r31) - lfd fp14,_UC_FREGS+(14*8)(r31) - lfd fp15,_UC_FREGS+(15*8)(r31) - lfd fp16,_UC_FREGS+(16*8)(r31) - lfd fp17,_UC_FREGS+(17*8)(r31) - lfd fp18,_UC_FREGS+(18*8)(r31) - lfd fp19,_UC_FREGS+(19*8)(r31) - lfd fp20,_UC_FREGS+(20*8)(r31) - lfd fp21,_UC_FREGS+(21*8)(r31) - lfd fp22,_UC_FREGS+(22*8)(r31) - lfd fp23,_UC_FREGS+(23*8)(r31) - lfd fp24,_UC_FREGS+(24*8)(r31) - lfd fp25,_UC_FREGS+(25*8)(r31) - lfd fp26,_UC_FREGS+(26*8)(r31) - lfd fp27,_UC_FREGS+(27*8)(r31) - lfd fp28,_UC_FREGS+(28*8)(r31) - lfd fp29,_UC_FREGS+(29*8)(r31) - lfd fp30,_UC_FREGS+(30*8)(r31) - lfd fp31,_UC_FREGS+(31*8)(r31) - - /* Restore LR and CCR, and set CTR to the NIP value */ - lwz r3,_UC_GREGS+(PT_LNK*4)(r31) - lwz r4,_UC_GREGS+(PT_NIP*4)(r31) - lwz r5,_UC_GREGS+(PT_CCR*4)(r31) - mtlr r3 - mtctr r4 - mtcr r5 - - /* Restore the general registers */ - lwz r1,_UC_GREGS+(PT_R1*4)(r31) - lwz r3,_UC_GREGS+(PT_R3*4)(r31) - lwz r4,_UC_GREGS+(PT_R4*4)(r31) - lwz r5,_UC_GREGS+(PT_R5*4)(r31) - lwz r6,_UC_GREGS+(PT_R6*4)(r31) - lwz r7,_UC_GREGS+(PT_R7*4)(r31) - lwz r8,_UC_GREGS+(PT_R8*4)(r31) - lwz r9,_UC_GREGS+(PT_R9*4)(r31) - lwz r10,_UC_GREGS+(PT_R10*4)(r31) - lwz r11,_UC_GREGS+(PT_R11*4)(r31) - lwz r12,_UC_GREGS+(PT_R12*4)(r31) - lwz r13,_UC_GREGS+(PT_R13*4)(r31) - lwz r14,_UC_GREGS+(PT_R14*4)(r31) - lwz r15,_UC_GREGS+(PT_R15*4)(r31) - lwz r16,_UC_GREGS+(PT_R16*4)(r31) - lwz r17,_UC_GREGS+(PT_R17*4)(r31) - lwz r18,_UC_GREGS+(PT_R18*4)(r31) - lwz r19,_UC_GREGS+(PT_R19*4)(r31) - lwz r20,_UC_GREGS+(PT_R20*4)(r31) - lwz r21,_UC_GREGS+(PT_R21*4)(r31) - lwz r22,_UC_GREGS+(PT_R22*4)(r31) - lwz r23,_UC_GREGS+(PT_R23*4)(r31) - lwz r24,_UC_GREGS+(PT_R24*4)(r31) - lwz r25,_UC_GREGS+(PT_R25*4)(r31) - lwz r26,_UC_GREGS+(PT_R26*4)(r31) - lwz r27,_UC_GREGS+(PT_R27*4)(r31) - lwz r28,_UC_GREGS+(PT_R28*4)(r31) - lwz r29,_UC_GREGS+(PT_R29*4)(r31) - lwz r30,_UC_GREGS+(PT_R30*4)(r31) - lwz r31,_UC_GREGS+(PT_R31*4)(r31) - - bctr - -L(novec_error_exit): - lwz r31,12(r1) - lwz r0,20(r1) - addi r1,r1,16 - mtlr r0 - blr + +# undef __CONTEXT_FUNC_NAME +# define __CONTEXT_FUNC_NAME __novec_swapcontext +# undef __CONTEXT_ENABLE_VRS -L(novec_do_sigret): - addi r1,r4,-0xd0 - li r0,SYS_ify(rt_sigreturn) - sc - /* NOTREACHED */ +# include "swapcontext-common.S" -END(__novec_swapcontext) .previous compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3) @@ -700,13 +69,13 @@ compat_symbol (libc, __novec_swapcontext, swapcontext, GLIBC_2_3_3) #if SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_3_3) -#define _ERRNO_H 1 -#include <bits/errno.h> +# define _ERRNO_H 1 +# include <bits/errno.h> compat_text_section ENTRY (__swapcontext_stub) li r3,ENOSYS - b JUMPTARGET(__syscall_error) + b __syscall_error@local END (__swapcontext_stub) .previous diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h index 2ee3e60229..c42efbabdd 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1992,1997-2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1992,1997-2003,2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -20,6 +20,7 @@ #define _LINUX_POWERPC_SYSDEP_H 1 #include <sysdeps/unix/powerpc/sysdep.h> +#include <tls.h> /* Some systen calls got renamed over time, but retained the same semantics. Handle them here so they can be catched by both C and assembler stubs in @@ -54,6 +55,109 @@ # include <errno.h> +# ifdef SHARED +# define INLINE_VSYSCALL(name, nr, args...) \ + ({ \ + __label__ out; \ + __label__ iserr; \ + INTERNAL_SYSCALL_DECL (sc_err); \ + long int sc_ret; \ + \ + if (__vdso_##name != NULL) \ + { \ + sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, nr, ##args); \ + if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ + goto out; \ + if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS) \ + goto iserr; \ + } \ + \ + sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args); \ + if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ + { \ + iserr: \ + __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err)); \ + sc_ret = -1L; \ + } \ + out: \ + sc_ret; \ + }) +# else +# define INLINE_VSYSCALL(name, nr, args...) \ + INLINE_SYSCALL (name, nr, ##args) +# endif + +# ifdef SHARED +# define INTERNAL_VSYSCALL(name, err, nr, args...) \ + ({ \ + __label__ out; \ + long int v_ret; \ + \ + if (__vdso_##name != NULL) \ + { \ + v_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args); \ + if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err) \ + || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS) \ + goto out; \ + } \ + v_ret = INTERNAL_SYSCALL (name, err, nr, ##args); \ + out: \ + v_ret; \ + }) +# else +# define INTERNAL_VSYSCALL(name, err, nr, args...) \ + INTERNAL_SYSCALL (name, err, nr, ##args) +# endif + +# define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, nr, args...) \ + ({ \ + long int sc_ret = ENOSYS; \ + \ + if (__vdso_##name != NULL) \ + sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args); \ + else \ + err = 1 << 28; \ + sc_ret; \ + }) + +/* List of system calls which are supported as vsyscalls. */ +# define HAVE_CLOCK_GETRES_VSYSCALL 1 +# define HAVE_CLOCK_GETTIME_VSYSCALL 1 + +/* Define a macro which expands inline into the wrapper code for a VDSO + call. This use is for internal calls that do not need to handle errors + normally. It will never touch errno. + On powerpc a system call basically clobbers the same registers like a + function call, with the exception of LR (which is needed for the + "sc; bnslr+" sequence) and CR (where only CR0.SO is clobbered to signal + an error return status). */ +# define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...) \ + ({ \ + register void *r0 __asm__ ("r0"); \ + register long int r3 __asm__ ("r3"); \ + register long int r4 __asm__ ("r4"); \ + register long int r5 __asm__ ("r5"); \ + register long int r6 __asm__ ("r6"); \ + register long int r7 __asm__ ("r7"); \ + register long int r8 __asm__ ("r8"); \ + register long int r9 __asm__ ("r9"); \ + register long int r10 __asm__ ("r10"); \ + register long int r11 __asm__ ("r11"); \ + register long int r12 __asm__ ("r12"); \ + LOADARGS_##nr (funcptr, args); \ + __asm__ __volatile__ \ + ("mtctr %0\n\t" \ + "bctrl\n\t" \ + "mfcr %0" \ + : "=&r" (r0), \ + "=&r" (r3), "=&r" (r4), "=&r" (r5), "=&r" (r6), "=&r" (r7), \ + "=&r" (r8), "=&r" (r9), "=&r" (r10), "=&r" (r11), "=&r" (r12) \ + : ASM_INPUT_##nr \ + : "cr0", "ctr", "lr", "memory"); \ + err = (long int) r0; \ + (int) r3; \ + }) + # undef INLINE_SYSCALL # define INLINE_SYSCALL(name, nr, args...) \ ({ \ @@ -92,7 +196,7 @@ register long int r10 __asm__ ("r10"); \ register long int r11 __asm__ ("r11"); \ register long int r12 __asm__ ("r12"); \ - LOADARGS_##nr(name, args); \ + LOADARGS_##nr(name, args); \ __asm__ __volatile__ \ ("sc \n\t" \ "mfcr %0" \ @@ -109,16 +213,16 @@ # undef INTERNAL_SYSCALL_ERROR_P # define INTERNAL_SYSCALL_ERROR_P(val, err) \ - (__builtin_expect (err & (1 << 28), 0)) + ((void) (val), __builtin_expect ((err) & (1 << 28), 0)) # undef INTERNAL_SYSCALL_ERRNO # define INTERNAL_SYSCALL_ERRNO(val, err) (val) -# define LOADARGS_0(name, dummy) \ +# define LOADARGS_0(name, dummy) \ r0 = name # define LOADARGS_1(name, __arg1) \ long int arg1 = (long int) (__arg1); \ - LOADARGS_0(name, 0); \ + LOADARGS_0(name, 0); \ extern void __illegally_sized_syscall_arg1 (void); \ if (__builtin_classify_type (__arg1) != 5 && sizeof (__arg1) > 4) \ __illegally_sized_syscall_arg1 (); \ @@ -170,4 +274,28 @@ #endif /* __ASSEMBLER__ */ +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* We cannot use the thread descriptor because in ld.so we use setjmp + earlier than the descriptor is initialized. */ +#else +# ifdef __ASSEMBLER__ +# define PTR_MANGLE(reg, tmpreg) \ + lwz tmpreg,POINTER_GUARD(r2); \ + xor reg,tmpreg,reg +# define PTR_MANGLE2(reg, tmpreg) \ + xor reg,tmpreg,reg +# define PTR_MANGLE3(destreg, reg, tmpreg) \ + lwz tmpreg,POINTER_GUARD(r2); \ + xor destreg,tmpreg,reg +# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) +# define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg) +# define PTR_DEMANGLE3(destreg, reg, tmpreg) PTR_MANGLE3 (destreg, reg, tmpreg) +# else +# define PTR_MANGLE(var) \ + (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif + #endif /* linux/powerpc/powerpc32/sysdep.h */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c index ce8ebc2a97..f107e84373 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/truncate64.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,12 +25,12 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #ifdef __NR_truncate64 #ifndef __ASSUME_TRUNCATE64_SYSCALL /* The variable is shared between all wrappers around *truncate64 calls. */ -int have_no_truncate64; +int __have_no_truncate64; #endif @@ -40,7 +41,7 @@ truncate64 (path, length) off64_t length; { #ifndef __ASSUME_TRUNCATE64_SYSCALL - if (! have_no_truncate64) + if (! __have_no_truncate64) #endif { #ifndef __ASSUME_TRUNCATE64_SYSCALL @@ -58,7 +59,7 @@ truncate64 (path, length) #ifndef __ASSUME_TRUNCATE64_SYSCALL __set_errno (saved_errno); - have_no_truncate64 = 1; + __have_no_truncate64 = 1; #endif } @@ -68,11 +69,11 @@ truncate64 (path, length) __set_errno (EINVAL); return -1; } - return truncate (path, (off_t) length); + return __truncate (path, (off_t) length); #endif } #else /* Use the generic implementation. */ -# include <sysdeps/generic/truncate64.c> +# include <misc/truncate64.c> #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym new file mode 100644 index 0000000000..293761f260 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/ucontext_i.sym @@ -0,0 +1,26 @@ +#include <stddef.h> +#include <signal.h> +#include <sys/ucontext.h> + +-- + +SIG_BLOCK +SIG_SETMASK + +-- Offsets in ucontext_t. +#define ucontext(member) offsetof (ucontext_t, member) +_UC_LINK ucontext (uc_link) +_UC_STACK_SP ucontext (uc_stack.ss_sp) +_UC_STACK_SIZE ucontext (uc_stack.ss_size) +_UC_REGS_PTR ucontext (uc_mcontext.uc_regs) +_UC_SIGMASK ucontext (uc_sigmask) +_UC_REG_SPACE ucontext (uc_reg_space) + +-- Offsets in mcontext_t. +#define mcontext(member) offsetof (mcontext_t, member) +_UC_GREGS mcontext (gregs) +_UC_FREGS mcontext (fpregs) +_UC_VREGS mcontext (vrregs) +_UC_VREGS mcontext (vrregs) +_UC_VSCR mcontext (vrregs.vscr) +_UC_VRSAVE mcontext (vrregs.vrsave) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S index 5fb7868c31..66a149f10b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S @@ -50,7 +50,7 @@ ENTRY (__vfork) bnslr+ .Lsyscall_error: - b JUMPTARGET(__syscall_error) + b __syscall_error@local #endif PSEUDO_END (__vfork) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Dist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/Dist deleted file mode 100644 index 6085928f34..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/Dist +++ /dev/null @@ -1,4 +0,0 @@ -clone.S -fe_nomask.c -kernel_stat.h -ucontext_i.h diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S index 3f74f55271..f2ac00d4c7 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/brk.S @@ -1,5 +1,5 @@ /* brk system call for Linux. PowerPC64 version. - Copyright (C) 1995,96,97,99, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1995,96,97,99, 2000,02, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #define _ERRNO_H 1 @@ -33,6 +33,7 @@ ENTRY (BP_SYM (__brk)) DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em. */ stdu r1,-64(r1) + cfi_adjust_cfa_offset (64) std r3,48(r1) DO_CALL(SYS_ify(brk)) ld r6,48(r1) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S index 287597c480..f1a55e64db 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S @@ -1,5 +1,5 @@ /* Wrapper around clone system call. PowerPC64 version. - Copyright (C) 1997,98,99,2000,02, 2004 Free Software Foundation, Inc. + Copyright (C) 1997,98,99,2000,02,04, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,8 +14,8 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #define _ERRNO_H 1 @@ -48,11 +48,16 @@ ENTRY (BP_SYM (__clone)) /* Set up stack frame for parent. */ stdu r1,-80(r1) + cfi_adjust_cfa_offset (80) std r29,56(r1) std r30,64(r1) std r31,72(r1) + cfi_offset(r29,-56) + cfi_offset(r30,-64) + cfi_offset(r31,-72) #ifdef RESET_PID std r28,48(r1) + cfi_offset(r28,-48) #endif /* Set up stack frame for child. */ @@ -76,6 +81,10 @@ ENTRY (BP_SYM (__clone)) mr r6,r8 mr r7,r9 + /* End FDE now, because in the child the unwind info will be + wrong. */ + cfi_endproc + /* Do the call. */ DO_CALL(SYS_ify(clone)) @@ -127,6 +136,8 @@ L(parent): L(badargs): li r3,EINVAL b JUMPTARGET(__syscall_error) + + cfi_startproc END (BP_SYM (__clone)) weak_alias (BP_SYM (__clone), BP_SYM (clone)) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c index 7571f28780..62f735514a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c @@ -1,5 +1,5 @@ /* Procedure definition for FE_NOMASK_ENV for Linux/ppc64. - Copyright (C) 2003 Free Software Foundation, Inc. + Copyright (C) 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,7 +22,7 @@ #include <sysdep.h> #include <sys/syscall.h> #include <sys/prctl.h> -#include "kernel-features.h" +#include <kernel-features.h> const fenv_t * __fe_nomask_env (void) @@ -36,7 +36,7 @@ __fe_nomask_env (void) && INTERNAL_SYSCALL_ERRNO (result, err) == EINVAL) __set_errno (ENOSYS); # endif -#else +#else __set_errno (ENOSYS); #endif return FE_ENABLED_ENV; diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies new file mode 100644 index 0000000000..6243d2ef27 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/Implies @@ -0,0 +1,2 @@ +# Override ldbl-opt with powerpc64 specific routines. +powerpc/powerpc64/fpu diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S index 61e0f8ed11..8d7c959ff9 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/getcontext.S @@ -1,5 +1,5 @@ /* Save current context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,13 +14,13 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> -#include "kernel-features.h" +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> @@ -37,9 +37,11 @@ ENTRY(__novec_getcontext) mflr r0 std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3) std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3) std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3) @@ -140,7 +142,9 @@ ENTRY(__novec_getcontext) /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset(128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop @@ -175,9 +179,11 @@ ENTRY(__getcontext) mflr r0 std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3) std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3) std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3) @@ -387,7 +393,9 @@ L(has_no_vec): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h new file mode 100644 index 0000000000..ac4a0d5aa9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ldsodefs.h @@ -0,0 +1,77 @@ +/* Run-time dynamic linker data structures for loaded ELF shared objects. + Copyright (C) 2005, 2006 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _LDSODEFS_H + +/* Get the real definitions. */ +#include_next <ldsodefs.h> + +/* Now define our stuff. */ + +static __always_inline bool +_dl_ppc64_is_opd_sym (const struct link_map *l, const ElfW(Sym) *sym) +{ + return (ELFW(ST_TYPE) (sym->st_info) == STT_FUNC + && l->l_addr + sym->st_value >= (ElfW(Addr)) l->l_ld + && l->l_addr + sym->st_value < l->l_map_end + && sym->st_size != 0); +} + +static __always_inline bool +_dl_ppc64_addr_sym_match (const struct link_map *l, const ElfW(Sym) *sym, + const ElfW(Sym) *matchsym, ElfW(Addr) addr) +{ + ElfW(Addr) value = l->l_addr + sym->st_value; + if (_dl_ppc64_is_opd_sym (l, sym)) + { + if (addr < value || addr >= value + 24) + { + value = *(ElfW(Addr) *) value; + if (addr < value || addr >= value + sym->st_size) + return false; + } + } + else if (sym->st_shndx == SHN_UNDEF || sym->st_size == 0) + { + if (addr != value) + return false; + } + else if (addr < value || addr >= value + sym->st_size) + return false; + + if (matchsym == NULL) + return true; + + ElfW(Addr) matchvalue = l->l_addr + matchsym->st_value; + if (_dl_ppc64_is_opd_sym (l, matchsym) + && (addr < matchvalue || addr > matchvalue + 24)) + matchvalue = *(ElfW(Addr) *) matchvalue; + + return matchvalue < value; +} + +/* If this is a function symbol defined past the end of our dynamic + section, then it must be a function descriptor. Allow these symbols + to match their associated function code range as well as the + descriptor addresses. */ +#undef DL_ADDR_SYM_MATCH +#define DL_ADDR_SYM_MATCH(L, SYM, MATCHSYM, ADDR) \ + _dl_ppc64_addr_sym_match (L, SYM, MATCHSYM, ADDR) + +#endif /* ldsodefs.h */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S index 8034559200..4a82802d96 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/makecontext.S @@ -1,5 +1,5 @@ /* Create new context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,11 +14,11 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> -#include "kernel-features.h" +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> @@ -41,7 +41,9 @@ ENTRY(__makecontext) /* Get the address of the target functions first parameter. */ addi r6,r1,FRAME_PARM4_SAVE std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) /* Get the ucontexts stack pointer and size. Compute the top of stack and round down to a quadword boundary. Then stack a dummy frame @@ -168,7 +170,9 @@ L(gotexitcodeaddr): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop @@ -180,4 +184,4 @@ L(gotexitcodeaddr): #endif END(__makecontext) -weak_alias(__makecontext, makecontext) +weak_alias (__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c index d5b77e0b57..315d1195e8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -26,7 +26,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0 @@ -57,7 +57,7 @@ __libc_pread (fd, buf, count, offset) return result; } - + int oldtype = LIBC_CANCEL_ASYNC (); result = INLINE_SYSCALL (pread, 4, fd, CHECK_N (buf, count), count, diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c index 9bbe389420..f775e1f1eb 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pread64.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -25,7 +25,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c index 96b72e18a5..0f509154e2 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -26,7 +26,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c index 9e68acdf08..22224324a1 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/pwrite64.c @@ -1,5 +1,5 @@ -/* Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003 - Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2000,2002,2003,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -25,7 +25,7 @@ #include <sys/syscall.h> #include <bp-checks.h> -#include "kernel-features.h" +#include <kernel-features.h> #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S index 6514f442a6..48e9af363d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/setcontext.S @@ -1,5 +1,5 @@ /* Switch to context. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,13 +14,13 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> -#include "kernel-features.h" +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> @@ -33,8 +33,11 @@ ENTRY(__novec_setcontext) #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL mflr r0 std r31,-8(1) + cfi_offset(r31,-8) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) mr r31,r3 /* @@ -47,7 +50,7 @@ ENTRY(__novec_setcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(nv_do_sigret) @@ -104,7 +107,7 @@ ENTRY(__novec_setcontext) ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 + mtcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) @@ -167,7 +170,9 @@ L(nv_do_sigret): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset(lr,FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset(128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop @@ -199,8 +204,11 @@ ENTRY(__setcontext) #ifdef __ASSUME_NEW_RT_SIGRETURN_SYSCALL mflr r0 std r31,-8(1) + cfi_offset(r31,-8) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) mr r31,r3 /* @@ -213,7 +221,7 @@ ENTRY(__setcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(do_sigret) @@ -380,11 +388,11 @@ L(has_no_vec): ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) ld r9,(SIGCONTEXT_GP_REGS+(PT_R9*8))(r31) + mtcr r0 ld r10,(SIGCONTEXT_GP_REGS+(PT_R10*8))(r31) ld r11,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r31) ld r12,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r31) @@ -443,7 +451,9 @@ L(do_sigret): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S index ec3ab5d9e6..15d8e84c1f 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/socket.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996, 1997, 1999, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1995,96,97,99, 2003, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -13,8 +13,8 @@ You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + write to the Free Software Foundation, Inc., 51 Franklin Street, + Fifth Floor, Boston MA 02110-1301, USA. */ #include <sysdep-cancel.h> #include <socketcall.h> @@ -41,18 +41,17 @@ #define stackblock 80 /* offset to socket parm area. */ -#ifndef socket -/* If this is just socket.S leave it alone! */ -#else #ifndef __socket -#define __socket P(__,socket) -#endif +# ifndef NO_WEAK_ALIAS +# define __socket P(__,socket) +# else +# define __socket socket +# endif #endif .text ENTRY(__socket) CALL_MCOUNT NARGS - cfi_startproc stdu r1,-144(r1) cfi_adjust_cfa_offset(144) #if NARGS >= 1 @@ -117,7 +116,8 @@ ENTRY(__socket) addi r1,r1,144 PSEUDO_RET #endif - cfi_endproc PSEUDO_END (__socket) +#ifndef NO_WEAK_ALIAS weak_alias (__socket, socket) +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S index f99df951a2..936d641b6b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/swapcontext.S @@ -1,5 +1,5 @@ /* Save current context and install the given one. - Copyright (C) 2002, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,13 +14,13 @@ You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA + 02110-1301 USA. */ #include <sysdep.h> #include <rtld-global-offsets.h> #include <shlib-compat.h> -#include "kernel-features.h" +#include <kernel-features.h> #define __ASSEMBLY__ #include <asm/ptrace.h> @@ -35,11 +35,14 @@ ENTRY(__novec_swapcontext) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) mflr r0 std r31,-8(1) + cfi_offset(r31,-8) std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3) std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3) std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3) @@ -150,7 +153,7 @@ ENTRY(__novec_swapcontext) * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(nv_do_sigret) @@ -199,7 +202,7 @@ ENTRY(__novec_swapcontext) ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 + mtcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) @@ -262,6 +265,7 @@ L(nv_do_sigret): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset(lr,FRAME_LR_SAVE) stdu r1,-128(r1) li r3,ENOSYS bl JUMPTARGET(__syscall_error) @@ -296,11 +300,14 @@ ENTRY(__swapcontext) std r1,(SIGCONTEXT_GP_REGS+(PT_R1*8))(r3) mflr r0 std r31,-8(1) + cfi_offset(r31,-8) std r2,(SIGCONTEXT_GP_REGS+(PT_R2*8))(r3) std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) std r0,(SIGCONTEXT_GP_REGS+(PT_LNK*8))(r3) std r0,(SIGCONTEXT_GP_REGS+(PT_NIP*8))(r3) stdu r1,-128(r1) + cfi_adjust_cfa_offset(128) std r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r3) std r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r3) std r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r3) @@ -521,7 +528,7 @@ L(has_no_vec): * of a procedure call (makecontext), so we don't need to restore * msr and ctr. We don't restore r13 since it will be used as * the TLS pointer. */ - lwz r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) + ld r0,(SIGCONTEXT_GP_REGS+(PT_MSR*8))(r31) cmpdi r0,0 bne L(do_sigret) @@ -681,11 +688,11 @@ L(has_no_vec2): ld r4,(SIGCONTEXT_GP_REGS+(PT_R4*8))(r31) ld r0,(SIGCONTEXT_GP_REGS+(PT_CCR*8))(r31) ld r5,(SIGCONTEXT_GP_REGS+(PT_R5*8))(r31) - mfcr r0 ld r6,(SIGCONTEXT_GP_REGS+(PT_R6*8))(r31) ld r7,(SIGCONTEXT_GP_REGS+(PT_R7*8))(r31) ld r8,(SIGCONTEXT_GP_REGS+(PT_R8*8))(r31) ld r9,(SIGCONTEXT_GP_REGS+(PT_R9*8))(r31) + mtcr r0 ld r10,(SIGCONTEXT_GP_REGS+(PT_R10*8))(r31) ld r11,(SIGCONTEXT_GP_REGS+(PT_R11*8))(r31) ld r12,(SIGCONTEXT_GP_REGS+(PT_R12*8))(r31) @@ -744,7 +751,9 @@ L(do_sigret): /* If the kernel is not at least 2.4.21 then generate a ENOSYS stub. */ mflr r0 std r0,FRAME_LR_SAVE(r1) + cfi_offset (lr, FRAME_LR_SAVE) stdu r1,-128(r1) + cfi_adjust_cfa_offset (128) li r3,ENOSYS bl JUMPTARGET(__syscall_error) nop diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h index 38a376fa90..aab4b721c0 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h @@ -1,5 +1,5 @@ -/* Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 - Free Software Foundation, Inc. +/* Copyright (C) 1992,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,6 +23,7 @@ #define _LINUX_POWERPC_SYSDEP_H 1 #include <sysdeps/unix/powerpc/sysdep.h> +#include <tls.h> /* Define __set_errno() for INLINE_SYSCALL macro below. */ #ifndef __ASSEMBLER__ @@ -61,12 +62,118 @@ #ifdef __ASSEMBLER__ /* This seems to always be the case on PPC. */ -#define ALIGNARG(log2) log2 +# define ALIGNARG(log2) log2 /* For ELF we need the `.type' directive to make shared libs work right. */ -#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; -#define ASM_SIZE_DIRECTIVE(name) .size name,.-name +# define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg; +# define ASM_SIZE_DIRECTIVE(name) .size name,.-name -#endif /* __ASSEMBLER__ */ +#endif /* __ASSEMBLER__ */ + +/* This version is for kernels that implement system calls that + behave like function calls as far as register saving. + It falls back to the syscall in the case that the vDSO doesn't + exist or fails for ENOSYS */ +#ifdef SHARED +# define INLINE_VSYSCALL(name, nr, args...) \ + ({ \ + __label__ out; \ + __label__ iserr; \ + INTERNAL_SYSCALL_DECL (sc_err); \ + long int sc_ret; \ + \ + if (__vdso_##name != NULL) \ + { \ + sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, sc_err, nr, ##args); \ + if (!INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ + goto out; \ + if (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err) != ENOSYS) \ + goto iserr; \ + } \ + \ + sc_ret = INTERNAL_SYSCALL (name, sc_err, nr, ##args); \ + if (INTERNAL_SYSCALL_ERROR_P (sc_ret, sc_err)) \ + { \ + iserr: \ + __set_errno (INTERNAL_SYSCALL_ERRNO (sc_ret, sc_err)); \ + sc_ret = -1L; \ + } \ + out: \ + sc_ret; \ + }) +#else +# define INLINE_VSYSCALL(name, nr, args...) \ + INLINE_SYSCALL (name, nr, ##args) +#endif + +#ifdef SHARED +# define INTERNAL_VSYSCALL(name, err, nr, args...) \ + ({ \ + __label__ out; \ + long int v_ret; \ + \ + if (__vdso_##name != NULL) \ + { \ + v_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args); \ + if (!INTERNAL_SYSCALL_ERROR_P (v_ret, err) \ + || INTERNAL_SYSCALL_ERRNO (v_ret, err) != ENOSYS) \ + goto out; \ + } \ + v_ret = INTERNAL_SYSCALL (name, err, nr, ##args); \ + out: \ + v_ret; \ + }) +#else +# define INTERNAL_VSYSCALL(name, err, nr, args...) \ + INTERNAL_SYSCALL (name, err, nr, ##args) +#endif + +/* This version is for internal uses when there is no desire + to set errno */ +#define INTERNAL_VSYSCALL_NO_SYSCALL_FALLBACK(name, err, nr, args...) \ + ({ \ + long int sc_ret = ENOSYS; \ + \ + if (__vdso_##name != NULL) \ + sc_ret = INTERNAL_VSYSCALL_NCS (__vdso_##name, err, nr, ##args); \ + else \ + err = 1 << 28; \ + sc_ret; \ + }) + +/* List of system calls which are supported as vsyscalls. */ +#define HAVE_CLOCK_GETRES_VSYSCALL 1 +#define HAVE_CLOCK_GETTIME_VSYSCALL 1 + +/* Define a macro which expands inline into the wrapper code for a system + call. This use is for internal calls that do not need to handle errors + normally. It will never touch errno. This returns just what the kernel + gave back in the non-error (CR0.SO cleared) case, otherwise (CR0.SO set) + the negation of the return value in the kernel gets reverted. */ + +#define INTERNAL_VSYSCALL_NCS(funcptr, err, nr, args...) \ + ({ \ + register void *r0 __asm__ ("r0"); \ + register long int r3 __asm__ ("r3"); \ + register long int r4 __asm__ ("r4"); \ + register long int r5 __asm__ ("r5"); \ + register long int r6 __asm__ ("r6"); \ + register long int r7 __asm__ ("r7"); \ + register long int r8 __asm__ ("r8"); \ + LOADARGS_##nr (funcptr, args); \ + __asm__ __volatile__ \ + ("mtctr %0\n\t" \ + "bctrl\n\t" \ + "mfcr %0\n\t" \ + "0:" \ + : "=&r" (r0), \ + "=&r" (r3), "=&r" (r4), "=&r" (r5), \ + "=&r" (r6), "=&r" (r7), "=&r" (r8) \ + : ASM_INPUT_##nr \ + : "r9", "r10", "r11", "r12", \ + "cr0", "ctr", "lr", "memory"); \ + err = (long int) r0; \ + (int) r3; \ + }) #undef INLINE_SYSCALL @@ -100,7 +207,7 @@ register long int r6 __asm__ ("r6"); \ register long int r7 __asm__ ("r7"); \ register long int r8 __asm__ ("r8"); \ - LOADARGS_##nr(name, args); \ + LOADARGS_##nr (name, ##args); \ __asm__ __volatile__ \ ("sc\n\t" \ "mfcr %0\n\t" \ @@ -115,14 +222,14 @@ (int) r3; \ }) #define INTERNAL_SYSCALL(name, err, nr, args...) \ - INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args) + INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, args) #undef INTERNAL_SYSCALL_DECL #define INTERNAL_SYSCALL_DECL(err) long int err #undef INTERNAL_SYSCALL_ERROR_P #define INTERNAL_SYSCALL_ERROR_P(val, err) \ - (__builtin_expect (err & (1 << 28), 0)) + ((void) (val), __builtin_expect ((err) & (1 << 28), 0)) #undef INTERNAL_SYSCALL_ERRNO #define INTERNAL_SYSCALL_ERRNO(val, err) (val) @@ -180,4 +287,29 @@ #define ASM_INPUT_5 ASM_INPUT_4, "5" (r7) #define ASM_INPUT_6 ASM_INPUT_5, "6" (r8) + +/* Pointer mangling support. */ +#if defined NOT_IN_libc && defined IS_IN_rtld +/* We cannot use the thread descriptor because in ld.so we use setjmp + earlier than the descriptor is initialized. */ +#else +# ifdef __ASSEMBLER__ +# define PTR_MANGLE(reg, tmpreg) \ + ld tmpreg,POINTER_GUARD(r13); \ + xor reg,tmpreg,reg +# define PTR_MANGLE2(reg, tmpreg) \ + xor reg,tmpreg,reg +# define PTR_MANGLE3(destreg, reg, tmpreg) \ + ld tmpreg,POINTER_GUARD(r13); \ + xor destreg,tmpreg,reg +# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) +# define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg) +# define PTR_DEMANGLE3(destreg, reg, tmpreg) PTR_MANGLE3 (destreg, reg, tmpreg) +# else +# define PTR_MANGLE(var) \ + (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) +# define PTR_DEMANGLE(var) PTR_MANGLE (var) +# endif +#endif + #endif /* linux/powerpc/powerpc64/sysdep.h */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.h deleted file mode 100644 index 45f1bfdae9..0000000000 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.h +++ /dev/null @@ -1,60 +0,0 @@ -/* Offsets and other constants needed in the *context() function - implementation. - Copyright (C) 2002 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#define SIG_BLOCK 0 -#define SIG_SETMASK 2 - -/* Offsets of the fields in the powerpc64 ABI stack frame. */ - -#define FRAME_BACKCHAIN 0 -#define FRAME_CR_SAVE 8 -#define FRAME_LR_SAVE 16 -#define FRAME_COMPILER_DW 24 -#define FRAME_LINKER_DW 32 -#define FRAME_TOC_SAVE 40 -#define FRAME_PARM_SAVE 48 -#define FRAME_PARM1_SAVE 48 -#define FRAME_PARM2_SAVE 56 -#define FRAME_PARM3_SAVE 64 -#define FRAME_PARM4_SAVE 72 -#define FRAME_PARM5_SAVE 80 -#define FRAME_PARM6_SAVE 88 -#define FRAME_PARM7_SAVE 96 -#define FRAME_PARM8_SAVE 104 -#define FRAME_PARM9_SAVE 112 - - -/* Offsets of the fields in the ucontext_t structure. */ - -#define UCONTEXT_LINK 8 -#define UCONTEXT_STACK 16 -#define UCONTEXT_STACK_SP 16 -#define UCONTEXT_STACK_FLAGS 24 -#define UCONTEXT_STACK_SIZE 32 -#define UCONTEXT_SIGMASK 40 -#define UCONTEXT_MCONTEXT 168 -#define SIGCONTEXT_SIGNAL 200 -#define SIGCONTEXT_HANDLER 208 -#define SIGCONTEXT_OLDMASK 216 -#define SIGCONTEXT_PT_REGS 224 -#define SIGCONTEXT_GP_REGS 232 -#define SIGCONTEXT_FP_REGS 616 -#define SIGCONTEXT_V_REGS_PTR 880 -#define SIGCONTEXT_V_RESERVE 888 diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym new file mode 100644 index 0000000000..a35418d9d4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/ucontext_i.sym @@ -0,0 +1,50 @@ +#include <stddef.h> +#include <signal.h> +#include <sys/ucontext.h> + +-- + +SIG_BLOCK +SIG_SETMASK + + +-- Offsets of the fields in the powerpc64 ABI stack frame. +-- XXX Do these correspond to some struct? + +FRAME_BACKCHAIN 0 +FRAME_CR_SAVE 8 +FRAME_LR_SAVE 16 +FRAME_COMPILER_DW 24 +FRAME_LINKER_DW 32 +FRAME_TOC_SAVE 40 +FRAME_PARM_SAVE 48 +FRAME_PARM1_SAVE 48 +FRAME_PARM2_SAVE 56 +FRAME_PARM3_SAVE 64 +FRAME_PARM4_SAVE 72 +FRAME_PARM5_SAVE 80 +FRAME_PARM6_SAVE 88 +FRAME_PARM7_SAVE 96 +FRAME_PARM8_SAVE 104 +FRAME_PARM9_SAVE 112 + + +-- Offsets of the fields in the ucontext_t structure. +#define ucontext(member) offsetof (ucontext_t, member) +#define mcontext(member) ucontext (uc_mcontext.member) + +UCONTEXT_LINK ucontext (uc_link) +UCONTEXT_STACK ucontext (uc_stack) +UCONTEXT_STACK_SP ucontext (uc_stack.ss_sp) +UCONTEXT_STACK_FLAGS ucontext (uc_stack.ss_flags) +UCONTEXT_STACK_SIZE ucontext (uc_stack.ss_size) +UCONTEXT_SIGMASK ucontext (uc_sigmask) +UCONTEXT_MCONTEXT ucontext (uc_mcontext) +SIGCONTEXT_SIGNAL mcontext (signal) +SIGCONTEXT_HANDLER mcontext (handler) +SIGCONTEXT_OLDMASK mcontext (oldmask) +SIGCONTEXT_PT_REGS mcontext (regs) +SIGCONTEXT_GP_REGS mcontext (gp_regs) +SIGCONTEXT_FP_REGS mcontext (fp_regs) +SIGCONTEXT_V_REGS_PTR mcontext (v_regs) +SIGCONTEXT_V_RESERVE mcontext (vmx_reserve) diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c index 9a91ba5b2f..e10b40f96c 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/umount.c @@ -1 +1 @@ -#include <sysdeps/unix/sysv/linux/hppa/umount.c> +#include <sysdeps/unix/sysv/linux/x86_64/umount.c> diff --git a/sysdeps/unix/sysv/linux/powerpc/readelflib.c b/sysdeps/unix/sysv/linux/powerpc/readelflib.c index b4a449cdff..3c6b2daf81 100644 --- a/sysdeps/unix/sysv/linux/powerpc/readelflib.c +++ b/sysdeps/unix/sysv/linux/powerpc/readelflib.c @@ -1,5 +1,5 @@ /* Special checks on libraries for ldconfig. Linux/PowerPC version. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -52,10 +52,10 @@ process_elf_file (const char *file_name, const char *lib, int *flag, #undef process_elf_file #define process_elf_file process_elf32_file #define __ELF_NATIVE_CLASS 32 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" #undef __ELF_NATIVE_CLASS #undef process_elf_file #define process_elf_file process_elf64_file #define __ELF_NATIVE_CLASS 64 -#include "sysdeps/generic/readelflib.c" +#include "elf/readelflib.c" diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h index 8e694c2ad3..577689f18d 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997, 1999, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1999, 2002, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -35,10 +35,14 @@ __BEGIN_DECLS /* These definitions are normally provided by ucontext.h via asm/sigcontext.h, asm/ptrace.h, and asm/elf.h. Otherwise we define them here. */ -#ifndef __PPC64_ELF_H +#if !defined __PPC64_ELF_H && !defined _ASM_POWERPC_ELF_H #define ELF_NGREG 48 /* includes nip, msr, lr, etc. */ #define ELF_NFPREG 33 /* includes fpscr */ -#define ELF_NVRREG 33 /* includes vscr */ +#if __WORDSIZE == 32 +# define ELF_NVRREG 33 /* includes vscr */ +#else +# define ELF_NVRREG 34 /* includes vscr */ +#endif typedef unsigned long elf_greg_t; typedef elf_greg_t elf_gregset_t[ELF_NGREG]; @@ -46,15 +50,10 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef double elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; -/* gcc 3.1 and newer support __uint128_t. */ -#if !__GNUC_PREREQ(3,1) -typedef struct { - unsigned long u[4]; -} __attribute((aligned(16))) __uint128_t; -#endif - /* Altivec registers */ -typedef __uint128_t elf_vrreg_t; +typedef struct { + unsigned int u[4]; +} __attribute__ ((aligned (16))) elf_vrreg_t; typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; #endif diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h b/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h index 91a87307f3..5d055f67fe 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/ptrace.h @@ -1,5 +1,5 @@ /* `ptrace' debugger support interface. Linux version. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -79,8 +79,24 @@ enum __ptrace_request #define PT_DETACH PTRACE_DETACH /* Continue and stop at the next (return from) syscall. */ - PTRACE_SYSCALL = 24 + PTRACE_SYSCALL = 24, #define PT_SYSCALL PTRACE_SYSCALL + + /* Set ptrace filter options. */ + PTRACE_SETOPTIONS = 0x4200, +#define PT_SETOPTIONS PTRACE_SETOPTIONS + + /* Get last ptrace message. */ + PTRACE_GETEVENTMSG = 0x4201, +#define PT_GETEVENTMSG PTRACE_GETEVENTMSG + + /* Get siginfo for process. */ + PTRACE_GETSIGINFO = 0x4202, +#define PT_GETSIGINFO PTRACE_GETSIGINFO + + /* Set new siginfo for process. */ + PTRACE_SETSIGINFO = 0x4203 +#define PT_SETSIGINFO PTRACE_SETSIGINFO }; /* Perform process tracing functions. REQUEST is one of the values diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h index a499a80ef9..9eb50aa96b 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 1999, 2002, 2004 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2002, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -70,8 +70,6 @@ typedef struct * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC * is set in AT_HWCAP. */ -# include <asm/types.h> - /* Number of general registers. */ # define NGREG 48 /* includes r0-r31, nip, msr, lr, etc. */ # define NFPREG 33 /* includes fp0-fp31 &fpscr. */ |