diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/s390')
36 files changed, 184 insertions, 314 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/Dist b/sysdeps/unix/sysv/linux/s390/Dist new file mode 100644 index 0000000000..4af39f72c9 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/Dist @@ -0,0 +1,4 @@ +ldd-rewrite.sed +sys/elf.h +sys/procfs.h +sys/user.h diff --git a/sysdeps/unix/sysv/linux/s390/Implies b/sysdeps/unix/sysv/linux/s390/Implies deleted file mode 100644 index efda9d27c0..0000000000 --- a/sysdeps/unix/sysv/linux/s390/Implies +++ /dev/null @@ -1,3 +0,0 @@ -# These supply the ABI compatibility for when long double was double. -ieee754/ldbl-64-128 -ieee754/ldbl-opt diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile index 5c5381871b..8d8df743ac 100644 --- a/sysdeps/unix/sysv/linux/s390/Makefile +++ b/sysdeps/unix/sysv/linux/s390/Makefile @@ -2,7 +2,3 @@ ifeq ($(subdir),rt) librt-routines += rt-sysdep endif - -ifeq ($(subdir),stdlib) -gen-as-const-headers += ucontext_i.sym -endif diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h index c611028f29..8c47077580 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 2000, 2001, 2002, 2004, 2006 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2004 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 @@ -23,10 +23,6 @@ #include <sys/types.h> #include <bits/wordsize.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 */ @@ -114,7 +110,7 @@ # define F_NOTIFY 1026 /* Request notfications on a directory. */ #endif -/* For F_[GET|SET]FD. */ +/* For F_[GET|SET]FL. */ #define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ @@ -203,55 +199,10 @@ struct flock64 # endif #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/s390/bits/mman.h b/sysdeps/unix/sysv/linux/s390/bits/mman.h index d25531c282..ac94bb20b2 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/mman.h +++ b/sysdeps/unix/sysv/linux/s390/bits/mman.h @@ -1,5 +1,5 @@ /* Definitions for POSIX memory map interface. Linux/s390 version. - Copyright (C) 2000,2001,2002,2003,2005,2006 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2003 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 @@ -79,7 +79,6 @@ /* Flags for `mremap'. */ #ifdef __USE_GNU # define MREMAP_MAYMOVE 1 -# define MREMAP_FIXED 2 #endif /* Advice to `madvise'. */ @@ -89,9 +88,6 @@ # 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/s390/bits/shm.h b/sysdeps/unix/sysv/linux/s390/bits/shm.h index d88ed36efa..b7c2ad0514 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/shm.h +++ b/sysdeps/unix/sysv/linux/s390/bits/shm.h @@ -80,7 +80,6 @@ struct shmid_ds # 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/s390/fpu/Implies b/sysdeps/unix/sysv/linux/s390/fpu/Implies deleted file mode 100644 index 3a8e225986..0000000000 --- a/sysdeps/unix/sysv/linux/s390/fpu/Implies +++ /dev/null @@ -1,2 +0,0 @@ -# Override ldbl-opt with s390 specific routines. -s390/fpu diff --git a/sysdeps/unix/sysv/linux/s390/nldbl-abi.h b/sysdeps/unix/sysv/linux/s390/nldbl-abi.h deleted file mode 100644 index bd985cc59c..0000000000 --- a/sysdeps/unix/sysv/linux/s390/nldbl-abi.h +++ /dev/null @@ -1,8 +0,0 @@ -/* 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/s390/readelflib.c b/sysdeps/unix/sysv/linux/s390/readelflib.c index 2782bc1e01..c8efcbf7ac 100644 --- a/sysdeps/unix/sysv/linux/s390/readelflib.c +++ b/sysdeps/unix/sysv/linux/s390/readelflib.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2001 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 @@ -51,10 +51,10 @@ 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 "elf/readelflib.c" +#include "sysdeps/generic/readelflib.c" #undef __ELF_NATIVE_CLASS #undef process_elf_file #define process_elf_file process_elf64_file #define __ELF_NATIVE_CLASS 64 -#include "elf/readelflib.c" +#include "sysdeps/generic/readelflib.c" diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/Dist b/sysdeps/unix/sysv/linux/s390/s390-32/Dist new file mode 100644 index 0000000000..c0a7dc8c93 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/Dist @@ -0,0 +1,7 @@ +clone.S +oldgetrlimit64.c +setresuid.c +setresgid.c +setfsuid.c +setfsgid.c +ucontext_i.h diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c index 5909ba8a43..0656b396f8 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/chown.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/chown.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000,2001,2002,2003,2004,2006 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2002, 2003, 2004 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 @@ -25,7 +25,7 @@ #include <bp-checks.h> #include <linux/posix_types.h> -#include <kernel-features.h> +#include "kernel-features.h" /* In Linux 2.1.x the chown functions have been changed. A new function lchown diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c deleted file mode 100644 index dfed76aeb4..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/fchownat.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/fchownat.c> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c b/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c deleted file mode 100644 index 0f8b3135d8..0000000000 --- a/sysdeps/unix/sysv/linux/s390/s390-32/fxstatat.c +++ /dev/null @@ -1 +0,0 @@ -#include <sysdeps/unix/sysv/linux/i386/fxstatat.c> diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S index 3b38d19488..2578b3ddc0 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/getcontext.S @@ -72,4 +72,4 @@ ENTRY(__getcontext) br %r14 END(__getcontext) -weak_alias (__getcontext, getcontext) +weak_alias(__getcontext, getcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c index 1e64a0ef75..ccdb67b15c 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/lchown.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2003, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001, 2003 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 @@ -24,7 +24,7 @@ #include <bp-checks.h> #include <linux/posix_types.h> -#include <kernel-features.h> +#include "kernel-features.h" # ifdef __NR_lchown32 # if __ASSUME_32BITUIDS == 0 diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c index 94760e0c2b..29c8640e92 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c +++ b/sysdeps/unix/sysv/linux/s390/s390-32/makecontext.c @@ -37,6 +37,8 @@ +-----------------------+ n | overflow parameters | 96 +-----------------------+ + 8 | trampoline | 96+n + +-----------------------+ The registers are set up like this: %r2-%r6: parameters 1 to 5 %r7 : (*func) pointer @@ -53,16 +55,18 @@ void __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) { - extern void __makecontext_ret (void); unsigned long *sp; va_list ap; int i; - sp = (unsigned long *) (((unsigned long) ucp->uc_stack.ss_sp - + ucp->uc_stack.ss_size) & -8L); + sp = (long *) (((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -8L); + + /* Setup the trampoline. */ + *--sp = 0x07f90000; + *--sp = 0x0de71828; /* Set the return address to trampoline. */ - ucp->uc_mcontext.gregs[14] = (long) __makecontext_ret; + ucp->uc_mcontext.gregs[14] = (long) sp; /* Set register parameters. */ va_start (ap, argc); @@ -94,12 +98,4 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) ucp->uc_mcontext.gregs[15] = (long) sp; } -asm(".text\n" - ".type __makecontext_ret,@function\n" - "__makecontext_ret:\n" - " basr %r14,%r7\n" - " lr %r2,%r8\n" - " br %r9\n" - ".size __makecontext_ret, .-__makecontext_ret"); - weak_alias (__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S index cce8d29735..7ad360a3a0 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/setcontext.S @@ -69,4 +69,4 @@ ENTRY(__setcontext) br %r14 END(__setcontext) -weak_alias (__setcontext, setcontext) +weak_alias(__setcontext, setcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S index bf70f11cc7..d9abb62c0b 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/swapcontext.S @@ -105,4 +105,4 @@ ENTRY(__swapcontext) /* Return. */ br %r14 END(__swapcontext) -weak_alias (__swapcontext, swapcontext) +weak_alias(__swapcontext, swapcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S index b7e1736891..d1ce925ac3 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S +++ b/sysdeps/unix/sysv/linux/s390/s390-32/syscall.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2001, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2001 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -48,14 +48,13 @@ ENTRY (syscall) lr %r4,%r5 /* third parameter */ lr %r5,%r6 /* fourth parameter */ l %r6,192(%r15) /* fifth parameter */ - l %r7,196(%r15) /* sixth parameter */ - basr %r8,0 -0: cl %r1,4f-0b(%r8) /* svc number < 256? */ + basr %r7,0 +0: cl %r1,4f-0b(%r7) /* svc number < 256? */ jl 2f 1: svc 0 j 3f -2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */ +2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ 3: l %r15,0(%r15) /* load back chain */ cfi_adjust_cfa_offset (-96) lm %r6,15,24(%r15) /* load registers */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h index b86072bd30..43b1b951d5 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h @@ -1,5 +1,4 @@ -/* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. +/* Copyright (C) 2000,01,02,03,04 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -24,7 +23,6 @@ #include <sysdeps/s390/s390-32/sysdep.h> #include <sysdeps/unix/sysdep.h> #include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */ -#include <tls.h> /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -113,8 +111,8 @@ 0: lcr %r0,%r2; \ basr %r1,0; \ 1: al %r1,2f-1b(%r1); \ - l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1); \ - ear %r2,%a0; \ + l %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1) \ + ear %r2,%a0 \ st %r0,0(%r1,%r2); \ lhi %r2,-1; \ br %r14; \ @@ -149,28 +147,19 @@ arg 3 4 call-clobbered arg 4 5 call-clobbered arg 5 6 call-saved - arg 6 7 call-saved (Of course a function with say 3 arguments does not have entries for arguments 4 and 5.) - For system calls with 6 parameters a stack operation is required - to load the 6th parameter to register 7. Call saved register 7 is - moved to register 0 and back to avoid an additional stack frame. + S390 does not need to do ANY stack operations to get its parameters + right. */ #define DO_CALL(syscall, args) \ - .if args > 5; \ - lr %r0,%r7; \ - l %r7,96(%r15); \ - .endif; \ .if SYS_ify (syscall) < 256; \ svc SYS_ify (syscall); \ .else; \ lhi %r1,SYS_ify (syscall); \ svc 0; \ - .endif; \ - .if args > 5; \ - lr %r7,%r0; \ .endif #define ret \ @@ -264,9 +253,6 @@ #define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ DECLARGS_4(arg1, arg2, arg3, arg4) \ register unsigned long gpr6 asm ("6") = (unsigned long)(arg5); -#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \ - DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ - register unsigned long gpr7 asm ("7") = (unsigned long)(arg6); #define ASMFMT_0 #define ASMFMT_1 , "0" (gpr2) @@ -274,28 +260,5 @@ #define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4) #define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) -#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7) - - -/* 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 -/* For the time being just use stack_guard rather than a separate - pointer_guard. */ -# ifdef __ASSEMBLER__ -# define PTR_MANGLE(reg, tmpreg) \ - ear tmpreg,%a0; \ - x reg,STACK_GUARD(tmpreg) -# define PTR_MANGLE2(reg, tmpreg) \ - x reg,STACK_GUARD(tmpreg) -# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) -# else -# define PTR_MANGLE(var) \ - (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) -# define PTR_DEMANGLE(var) PTR_MANGLE (var) -# endif -#endif #endif /* _LINUX_S390_SYSDEP_H */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h new file mode 100644 index 0000000000..2e51f04e65 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-32/ucontext_i.h @@ -0,0 +1,35 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. + + 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. */ + +/* Constants shared between setcontext() and getcontext(). Don't + install this header file. */ + +#define SIG_BLOCK 0 +#define SIG_UNBLOCK 1 +#define SIG_SETMASK 2 + +#define SC_FLGS 0x000 +#define SC_LINK 0x004 +#define SC_STCK 0x008 +#define SC_PSW 0x018 +#define SC_GPRS 0x020 +#define SC_ACRS 0x060 +#define SC_FPC 0x0A0 +#define SC_FPRS 0x0A8 +#define SC_MASK 0x128 diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/Dist b/sysdeps/unix/sysv/linux/s390/s390-64/Dist new file mode 100644 index 0000000000..bfd4edc372 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-64/Dist @@ -0,0 +1,2 @@ +clone.S +ucontext_i.h diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S index 8889b5359e..5a0d7eca5d 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/getcontext.S @@ -72,4 +72,4 @@ ENTRY(__getcontext) br %r14 END(__getcontext) -weak_alias (__getcontext, getcontext) +weak_alias(__getcontext, getcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c index b08f1b4047..cdff9a4f21 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c +++ b/sysdeps/unix/sysv/linux/s390/s390-64/makecontext.c @@ -37,6 +37,8 @@ +-----------------------+ n | overflow parameters | 160 +-----------------------+ + 8 | trampoline | 160+n + +-----------------------+ The registers are set up like this: %r2-%r6: parameters 1 to 5 %r7 : (*func) pointer @@ -53,16 +55,17 @@ void __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) { - extern void __makecontext_ret (void); unsigned long *sp; va_list ap; int i; - sp = (unsigned long *) (((unsigned long) ucp->uc_stack.ss_sp - + ucp->uc_stack.ss_size) & -8L); + sp = (long *) (((long) ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size) & -8L); + + /* Setup the trampoline. */ + *--sp = 0x0de7b904002807f9; /* Set the return address to trampoline. */ - ucp->uc_mcontext.gregs[14] = (long) __makecontext_ret; + ucp->uc_mcontext.gregs[14] = (long) sp; /* Set register parameters. */ va_start (ap, argc); @@ -94,12 +97,4 @@ __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...) ucp->uc_mcontext.gregs[15] = (long) sp; } -asm(".text\n" - ".type __makecontext_ret,@function\n" - "__makecontext_ret:\n" - " basr %r14,%r7\n" - " lgr %r2,%r8\n" - " br %r9\n" - ".size __makecontext_ret, .-__makecontext_ret"); - weak_alias (__makecontext, makecontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S index 7beca847c2..268f36e713 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/setcontext.S @@ -69,4 +69,4 @@ ENTRY(__setcontext) br %r14 END(__setcontext) -weak_alias (__setcontext, setcontext) +weak_alias(__setcontext, setcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c index eff4f17853..480ebd424c 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sigaction.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2001, 2002, 2003 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 @@ -44,10 +44,6 @@ __libc_sigaction (sig, act, oact) } libc_hidden_def (__libc_sigaction) -#ifdef WRAPPER_INCLUDE -# include WRAPPER_INCLUDE -#endif - #ifndef LIBC_SIGACTION weak_alias (__libc_sigaction, __sigaction) libc_hidden_weak (__sigaction) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c b/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c new file mode 100644 index 0000000000..452f8354d0 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sigsuspend.c @@ -0,0 +1,47 @@ +/* Copyright (C) 2001, 2002, 2003 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 <signal.h> +#include <unistd.h> + +#include <sysdep-cancel.h> +#include <sys/syscall.h> + +/* Change the set of blocked signals to SET, + wait until a signal arrives, and restore the set of blocked signals. */ +int +__sigsuspend (set) + const sigset_t *set; +{ + /* XXX The size argument hopefully will have to be changed to the + real size of the user-level sigset_t. */ + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = INLINE_SYSCALL (rt_sigsuspend, 2, set, _NSIG / 8); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} +libc_hidden_def (__sigsuspend) +weak_alias (__sigsuspend, sigsuspend) +strong_alias (__sigsuspend, __libc_sigsuspend) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/socket.S b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S index d4c3a1c4e1..c98a97449b 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/socket.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/socket.S @@ -128,7 +128,6 @@ L(socket_cancel): j 4b #endif - SYSCALL_ERROR_HANDLER END (__socket) #ifndef NO_WEAK_ALIAS diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S index cb96fd3b6a..ef2a862c55 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/swapcontext.S @@ -105,4 +105,4 @@ ENTRY(__swapcontext) /* Return. */ br %r14 END(__swapcontext) -weak_alias (__swapcontext, swapcontext) +weak_alias(__swapcontext, swapcontext) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S index 31b55d73f2..4caeaeaf50 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscall.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2001, 2006 Free Software Foundation, Inc. +/* Copyright (C) 2001 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -48,14 +48,13 @@ ENTRY (syscall) lgr %r4,%r5 /* Third parameter. */ lgr %r5,%r6 /* Fourth parameter. */ lg %r6,320(%r15) /* Fifth parameter. */ - lg %r7,328(%r15) /* Sixth parameter. */ - basr %r8,0 -0: clg %r1,4f-0b(%r8) /* svc number < 256? */ + basr %r7,0 +0: clg %r1,4f-0b(%r7) /* svc number < 256? */ jl 2f 1: svc 0 j 3f -2: ex %r1,1b-0b(%r8) /* lsb of R1 is subsituted as SVC number */ +2: ex %r1,1b-0b(%r7) /* lsb of R1 is subsituted as SVC number */ 3: lg %r15,0(%r15) /* load back chain */ cfi_adjust_cfa_offset (-160) lmg %r6,15,48(%r15) /* Load registers. */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 791ab9ba52..477f8a9f09 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -1,5 +1,6 @@ # File name Caller Syscall name # args Strong name Weak names +getpeername - getpeername i:ipp __getpeername getpeername vfork - vfork 0 __vfork vfork # semaphore and shm system calls diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h index 9ddec8e041..154bc06803 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h +++ b/sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h @@ -1,6 +1,5 @@ /* Assembler macros for 64 bit S/390. - Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). This file is part of the GNU C Library. @@ -25,7 +24,6 @@ #include <sysdeps/s390/s390-64/sysdep.h> #include <sysdeps/unix/sysdep.h> #include <dl-sysdep.h> /* For RTLD_PRIVATE_ERRNO. */ -#include <tls.h> /* For Linux we can use the system call table in the header file /usr/include/asm/unistd.h @@ -151,28 +149,19 @@ arg 3 4 call-clobbered arg 4 5 call-clobbered arg 5 6 call-saved - arg 6 7 call-saved (Of course a function with say 3 arguments does not have entries for arguments 4 and 5.) - For system calls with 6 parameters a stack operation is required - to load the 6th parameter to register 7. Call saved register 7 is - moved to register 0 and back to avoid an additional stack frame. + S390 does not need to do ANY stack operations to get its parameters + right. */ #define DO_CALL(syscall, args) \ - .if args > 5; \ - lgr %r0,%r7; \ - lg %r7,160(%r15); \ - .endif; \ .if SYS_ify (syscall) < 256; \ svc SYS_ify (syscall); \ .else; \ lghi %r1,SYS_ify (syscall); \ svc 0; \ - .endif; \ - .if args > 5; \ - lgr %r7,%r0; \ .endif #define ret \ @@ -266,9 +255,6 @@ #define DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ DECLARGS_4(arg1, arg2, arg3, arg4) \ register unsigned long gpr6 asm ("6") = (unsigned long)(arg5); -#define DECLARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \ - DECLARGS_5(arg1, arg2, arg3, arg4, arg5) \ - register unsigned long gpr7 asm ("7") = (unsigned long)(arg6); #define ASMFMT_0 #define ASMFMT_1 , "0" (gpr2) @@ -276,29 +262,5 @@ #define ASMFMT_3 , "0" (gpr2), "d" (gpr3), "d" (gpr4) #define ASMFMT_4 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5) #define ASMFMT_5 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6) -#define ASMFMT_6 , "0" (gpr2), "d" (gpr3), "d" (gpr4), "d" (gpr5), "d" (gpr6), "d" (gpr7) - -/* 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 -/* For the time being just use stack_guard rather than a separate - pointer_guard. */ -# ifdef __ASSEMBLER__ -# define PTR_MANGLE(reg, tmpreg) \ - ear tmpreg,%a0; \ - sllg tmpreg,tmpreg,32; \ - ear tmpreg,%a1; \ - xg reg,STACK_GUARD(tmpreg) -# define PTR_MANGLE2(reg, tmpreg) \ - xg reg,STACK_GUARD(tmpreg) -# define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg) -# else -# define PTR_MANGLE(var) \ - (var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ()) -# define PTR_DEMANGLE(var) PTR_MANGLE (var) -# endif -#endif #endif /* _LINUX_S390_SYSDEP_H */ diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h b/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h new file mode 100644 index 0000000000..6d223a08a6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/s390/s390-64/ucontext_i.h @@ -0,0 +1,36 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David Mosberger-Tang <davidm@hpl.hp.com>. + + 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. */ + +/* Constants shared between setcontext() and getcontext(). Don't + install this header file. */ + +#define SIG_BLOCK 0 +#define SIG_UNBLOCK 1 +#define SIG_SETMASK 2 + +#define SC_FLGS 0x000 +#define SC_LINK 0x008 +#define SC_STCK 0x010 +#define SC_PSW 0x028 +#define SC_GPRS 0x038 +#define SC_ACRS 0x0B8 +#define SC_FPC 0x0F8 +#define SC_FPRS 0x100 +#define SC_MASK 0x180 + diff --git a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h index 70eb4f8222..d26cf114ef 100644 --- a/sysdeps/unix/sysv/linux/s390/sys/ptrace.h +++ b/sysdeps/unix/sysv/linux/s390/sys/ptrace.h @@ -1,5 +1,5 @@ /* `ptrace' debugger support interface. Linux version. - Copyright (C) 2000, 2006 Free Software Foundation, Inc. + Copyright (C) 2000 Free Software Foundation, Inc. Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com). This file is part of the GNU C Library. @@ -118,24 +118,8 @@ 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/s390/sys/user.h b/sysdeps/unix/sysv/linux/s390/sys/user.h index f00caea84d..eddd196c72 100644 --- a/sysdeps/unix/sysv/linux/s390/sys/user.h +++ b/sysdeps/unix/sysv/linux/s390/sys/user.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000,2005 Free Software Foundation, Inc. +/* Copyright (C) 2000 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 @@ -19,65 +19,6 @@ #ifndef _SYS_USER_H #define _SYS_USER_H 1 -/* The whole purpose of this file is for GDB and GDB only. Don't read - too much into it. Don't use it for anything other than GDB unless - you know what you are doing. */ - -struct _user_psw_struct -{ - unsigned long mask; - unsigned long addr; -}; - -struct _user_fpregs_struct -{ - unsigned int fpc; - double fprs[16]; -}; - -struct _user_per_struct -{ - unsigned long control_regs[3]; - unsigned single_step : 1; - unsigned instruction_fetch : 1; - unsigned : 30; - unsigned long starting_addr; - unsigned long ending_addr; - unsigned short perc_atmid; - unsigned long address; - unsigned char access_id; -}; - -struct _user_regs_struct -{ - struct _user_psw_struct psw; /* Program status word. */ - unsigned long gprs[16]; /* General purpose registers. */ - unsigned int acrs[16]; /* Access registers. */ - unsigned long orig_gpr2; /* Original gpr2. */ - struct _user_fpregs_struct fp_regs; /* Floating point registers. */ - struct _user_per_struct per_info; /* Hardware tracing registers. */ - unsigned long ieee_instruction_pointer; -}; - -struct user { - struct _user_regs_struct regs; /* User registers. */ - unsigned long int u_tsize; /* Text segment size (pages). */ - unsigned long int u_dsize; /* Data segment size (pages). */ - unsigned long int u_ssize; /* Stack segment size (pages). */ - unsigned long start_code; /* Starting address of text. */ - unsigned long start_stack; /* Starting address of stack area. */ - long int signal; /* Signal causing the core dump. */ - struct _user_regs_struct *u_ar0; /* Help gdb find registers. */ - unsigned long magic; /* Identifies a core file. */ - char u_comm[32]; /* User command naem. */ -}; - -#define PAGE_SHIFT 12 -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) -#define NBPG PAGE_SIZE -#define UPAGES 1 -#define HOST_TEXT_START_ADDR (u.start_code) -#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG) +#include <asm/user.h> #endif /* _SYS_USER_H */ diff --git a/sysdeps/unix/sysv/linux/s390/ucontext_i.sym b/sysdeps/unix/sysv/linux/s390/ucontext_i.sym deleted file mode 100644 index 525b54300c..0000000000 --- a/sysdeps/unix/sysv/linux/s390/ucontext_i.sym +++ /dev/null @@ -1,23 +0,0 @@ -#include <stddef.h> -#include <signal.h> -#include <sys/ucontext.h> - --- - -SIG_BLOCK -SIG_UNBLOCK -SIG_SETMASK - -#define ucontext(member) offsetof (ucontext_t, member) -#define mcontext(member) ucontext (uc_mcontext.member) - -SC_FLGS ucontext (uc_flags) -SC_LINK ucontext (uc_link) -SC_STCK ucontext (uc_stack.ss_sp) -SC_STSZ ucontext (uc_stack.ss_size) -SC_PSW mcontext (psw) -SC_GPRS mcontext (gregs) -SC_ACRS mcontext (aregs) -SC_FPC mcontext (fpregs.fpc) -SC_FPRS mcontext (fpregs.fprs) -SC_MASK ucontext (uc_sigmask) |