diff options
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/sparc')
11 files changed, 569 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/Versions b/linuxthreads/sysdeps/unix/sysv/linux/sparc/Versions new file mode 100644 index 0000000000..d102772482 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/Versions @@ -0,0 +1,6 @@ +libpthread { + GLIBC_2.3.3 { + # Changed PTHREAD_STACK_MIN. + pthread_attr_setstack; pthread_attr_setstacksize; + } +} diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/aio_cancel.c b/linuxthreads/sysdeps/unix/sysv/linux/sparc/aio_cancel.c new file mode 100644 index 0000000000..0d6da82919 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/aio_cancel.c @@ -0,0 +1,33 @@ +#include <shlib-compat.h> + +#define aio_cancel64 XXX +#include <aio.h> +#undef aio_cancel64 +#include <errno.h> + +extern __typeof (aio_cancel) __new_aio_cancel; +extern __typeof (aio_cancel) __old_aio_cancel; + +#define aio_cancel __new_aio_cancel + +#include <sysdeps/pthread/aio_cancel.c> + +#undef aio_cancel +strong_alias (__new_aio_cancel, __new_aio_cancel64); +versioned_symbol (librt, __new_aio_cancel, aio_cancel, GLIBC_2_3); +versioned_symbol (librt, __new_aio_cancel64, aio_cancel64, GLIBC_2_3); + +#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_3) + +#undef ECANCELED +#define aio_cancel __old_aio_cancel +#define ECANCELED 125 + +#include <sysdeps/pthread/aio_cancel.c> + +#undef aio_cancel +strong_alias (__old_aio_cancel, __old_aio_cancel64); +compat_symbol (librt, __old_aio_cancel, aio_cancel, GLIBC_2_1); +compat_symbol (librt, __old_aio_cancel64, aio_cancel64, GLIBC_2_1); + +#endif diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h new file mode 100644 index 0000000000..27ffa668f4 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/local_lim.h @@ -0,0 +1,92 @@ +/* Minimum guaranteed maximum values for system limits. Linux/SPARC version. + Copyright (C) 1993-1998,2000,2002,2003,2004 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 + 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; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* The kernel header pollutes the namespace with the NR_OPEN symbol + and defines LINK_MAX although filesystems have different maxima. A + similar thing is true for OPEN_MAX: the limit can be changed at + runtime and therefore the macro must not be defined. Remove this + after including the header if necessary. */ +#ifndef NR_OPEN +# define __undef_NR_OPEN +#endif +#ifndef LINK_MAX +# define __undef_LINK_MAX +#endif +#ifndef OPEN_MAX +# define __undef_OPEN_MAX +#endif + +/* The kernel sources contain a file with all the needed information. */ +#include <linux/limits.h> + +/* Have to remove NR_OPEN? */ +#ifdef __undef_NR_OPEN +# undef NR_OPEN +# undef __undef_NR_OPEN +#endif +/* Have to remove LINK_MAX? */ +#ifdef __undef_LINK_MAX +# undef LINK_MAX +# undef __undef_LINK_MAX +#endif +/* Have to remove OPEN_MAX? */ +#ifdef __undef_OPEN_MAX +# undef OPEN_MAX +# undef __undef_OPEN_MAX +#endif + +/* The number of data keys per process. */ +#define _POSIX_THREAD_KEYS_MAX 128 +/* This is the value this implementation supports. */ +#define PTHREAD_KEYS_MAX 1024 + +/* Controlling the iterations of destructors for thread-specific data. */ +#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 +/* Number of iterations this implementation does. */ +#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS + +/* The number of threads per process. */ +#define _POSIX_THREAD_THREADS_MAX 64 +/* This is the value this implementation supports. */ +#define PTHREAD_THREADS_MAX 16384 + +/* Maximum amount by which a process can descrease its asynchronous I/O + priority level. */ +#define AIO_PRIO_DELTA_MAX 20 + +/* Minimum size for a thread. We are free to choose a reasonable value. */ +#define PTHREAD_STACK_MIN 24576 + +/* Maximum number of POSIX timers available. */ +#define TIMER_MAX 256 + +/* Maximum number of timer expiration overruns. */ +#define DELAYTIMER_MAX 2147483647 + +/* Maximum tty name length. */ +#define TTY_NAME_MAX 32 + +/* Maximum login name length. This is arbitrary. */ +#define LOGIN_NAME_MAX 256 + +/* Maximum host name length. */ +#define HOST_NAME_MAX 64 + +/* Maximum message queue priority level. */ +#define MQ_PRIO_MAX 32768 diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h new file mode 100644 index 0000000000..7e4253789c --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/bits/typesizes.h @@ -0,0 +1,66 @@ +/* bits/typesizes.h -- underlying types for *_t. Linux/SPARC version. + Copyright (C) 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. */ + +#ifndef _BITS_TYPES_H +# error "Never include <bits/typesizes.h> directly; use <sys/types.h> instead." +#endif + +#ifndef _BITS_TYPESIZES_H +#define _BITS_TYPESIZES_H 1 + +/* See <bits/types.h> for the meaning of these macros. This file exists so + that <bits/types.h> need not vary across different GNU platforms. */ + +#define __DEV_T_TYPE __UQUAD_TYPE +#define __UID_T_TYPE __U32_TYPE +#define __GID_T_TYPE __U32_TYPE +#define __INO_T_TYPE __ULONGWORD_TYPE +#define __INO64_T_TYPE __UQUAD_TYPE +#define __MODE_T_TYPE __U32_TYPE +#define __NLINK_T_TYPE __U32_TYPE +#define __OFF_T_TYPE __SLONGWORD_TYPE +#define __OFF64_T_TYPE __SQUAD_TYPE +#define __PID_T_TYPE __S32_TYPE +#define __RLIM_T_TYPE __ULONGWORD_TYPE +#define __RLIM64_T_TYPE __UQUAD_TYPE +#define __BLKCNT_T_TYPE __SLONGWORD_TYPE +#define __BLKCNT64_T_TYPE __SQUAD_TYPE +#define __FSBLKCNT_T_TYPE __ULONGWORD_TYPE +#define __FSBLKCNT64_T_TYPE __UQUAD_TYPE +#define __FSFILCNT_T_TYPE __ULONGWORD_TYPE +#define __FSFILCNT64_T_TYPE __UQUAD_TYPE +#define __ID_T_TYPE __U32_TYPE +#define __CLOCK_T_TYPE __SLONGWORD_TYPE +#define __TIME_T_TYPE __SLONGWORD_TYPE +#define __USECONDS_T_TYPE __U32_TYPE +#define __SUSECONDS_T_TYPE __S32_TYPE +#define __DADDR_T_TYPE __S32_TYPE +#define __SWBLK_T_TYPE __SLONGWORD_TYPE +#define __KEY_T_TYPE __S32_TYPE +#define __CLOCKID_T_TYPE __S32_TYPE +#define __TIMER_T_TYPE __S32_TYPE +#define __BLKSIZE_T_TYPE __SLONGWORD_TYPE +#define __FSID_T_TYPE struct { int __val[2]; } +#define __SSIZE_T_TYPE __SWORD_TYPE + +/* Number of descriptors that can fit in an `fd_set'. */ +#define __FD_SETSIZE 1024 + + +#endif /* bits/typesizes.h */ diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/fork.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/fork.h new file mode 100644 index 0000000000..793cb1d5f9 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/fork.h @@ -0,0 +1,34 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. + + 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> + +#define ARCH_FORK() \ +({ \ + register long __o0 __asm__ ("o0"); \ + register long __o1 __asm__ ("o1"); \ + register long __g1 __asm__ ("g1") = __NR_fork; \ + __asm __volatile (__SYSCALL_STRING \ + : "=r" (__g1), "=r" (__o0), "=r" (__o1) \ + : "0" (__g1) \ + : __SYSCALL_CLOBBERS); \ + __o0 == -1 ? __o0 : (__o0 & (__o1 - 1)); \ +}) + +#include_next <fork.h> diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h new file mode 100644 index 0000000000..dd3f52a989 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep-cancel.h @@ -0,0 +1,102 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. + + 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 <tls.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ +ENTRY(name) \ + ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \ + cmp %g1, 0; \ + bne 1f; \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x10; \ + bcs __syscall_error_handler; \ + nop; \ + .subsection 2; \ +1: save %sp, -96, %sp; \ + CENABLE; \ + nop; \ + mov %o0, %l0; \ + COPY_ARGS_##args \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x10; \ + bcs __syscall_error_handler2; \ + mov %o0, %l1; \ + CDISABLE; \ + mov %l0, %o0; \ + jmpl %i7 + 8, %g0; \ + restore %g0, %l1, %o0; \ + .previous; \ + SYSCALL_ERROR_HANDLER \ + SYSCALL_ERROR_HANDLER2 + +#define SYSCALL_ERROR_HANDLER2 \ +SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \ + .global __errno_location; \ + .type __errno_location,@function; \ + CDISABLE; \ + mov %l0, %o0; \ + call __errno_location; \ + nop; \ + st %l1, [%o0]; \ + jmpl %i7 + 8, %g0; \ + restore %g0, -1, %o0; \ + .previous; + +# ifdef IS_IN_libpthread +# define CENABLE call __pthread_enable_asynccancel +# define CDISABLE call __pthread_disable_asynccancel +# elif !defined NOT_IN_libc +# define CENABLE call __libc_enable_asynccancel +# define CDISABLE call __libc_disable_asynccancel +# else +# define CENABLE call __librt_enable_asynccancel +# define CDISABLE call __librt_disable_asynccancel +# endif + +#define COPY_ARGS_0 /* Nothing */ +#define COPY_ARGS_1 COPY_ARGS_0 mov %i0, %o0; +#define COPY_ARGS_2 COPY_ARGS_1 mov %i1, %o1; +#define COPY_ARGS_3 COPY_ARGS_2 mov %i2, %o2; +#define COPY_ARGS_4 COPY_ARGS_3 mov %i3, %o3; +#define COPY_ARGS_5 COPY_ARGS_4 mov %i4, %o4; +#define COPY_ARGS_6 COPY_ARGS_5 mov %i5, %o5; + +# ifndef __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + p_header.data.multiple_threads) == 0, 1) +# else +# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1 +# endif + +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S new file mode 100644 index 0000000000..132da67a14 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S @@ -0,0 +1,65 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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-cancel.h> + + .text +#ifdef SHARED +.LLGETPC0: + retl + add %o7, %o0, %o0 +#endif +ENTRY(__vfork) +#ifdef SHARED + mov %o7, %o1 + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o0 + call .LLGETPC0 + add %o0, %lo(_GLOBAL_OFFSET_TABLE_+4), %o0 + sethi %hi(__libc_pthread_functions), %o2 + mov %o1, %o7 + or %o2, %lo(__libc_pthread_functions), %o2 + ld [%o0 + %o2], %o2 + ld [%o2], %o2 + cmp %o2, 0 +#else + .weak pthread_create + sethi %hi(pthread_create), %o0 + orcc %o0, %lo(pthread_create), %o0 +#endif +#if defined SHARED && !defined BROKEN_SPARC_WDISP22 + bne HIDDEN_JUMPTARGET(__fork) +#else + bne 1f +#endif + mov __NR_vfork, %g1 + ta 0x10 + bcs __syscall_error_handler + nop + sub %o1, 1, %o1 + retl + and %o0, %o1, %o0 +#if !defined SHARED || defined BROKEN_SPARC_WDISP22 +1: mov %o7, %g1 + call HIDDEN_JUMPTARGET(__fork) + mov %g1, %o7 +#endif + SYSCALL_ERROR_HANDLER +PSEUDO_END (__vfork) +libc_hidden_def (__vfork) +weak_alias (__vfork, vfork) diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile new file mode 100644 index 0000000000..90203051ae --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/Makefile @@ -0,0 +1,5 @@ +# glibc makefile fragment for linuxthreads on sparc/sparc64. + +ifeq ($(subdir),linuxthreads) +libpthread-routines += ptw-sigprocmask +endif diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c new file mode 100644 index 0000000000..d57283ad23 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/pt-sigsuspend.c @@ -0,0 +1 @@ +#include "../../ia64/pt-sigsuspend.c" diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h new file mode 100644 index 0000000000..80834292e5 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep-cancel.h @@ -0,0 +1,101 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2002. + + 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 <tls.h> +#ifndef __ASSEMBLER__ +# include <linuxthreads/internals.h> +#endif + +#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt + +# undef PSEUDO +# define PSEUDO(name, syscall_name, args) \ + .text; \ +ENTRY(name) \ + ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1; \ + brnz,pn %g1, 1f; \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcs,pn %xcc, __syscall_error_handler; \ + nop; \ + .subsection 2; \ +1: save %sp, -192, %sp; \ + CENABLE; \ + nop; \ + mov %o0, %l0; \ + COPY_ARGS_##args \ + mov SYS_ify(syscall_name), %g1; \ + ta 0x6d; \ + bcs,pn %xcc, __syscall_error_handler2; \ + mov %o0, %l1; \ + CDISABLE; \ + mov %l0, %o0; \ + jmpl %i7 + 8, %g0; \ + restore %g0, %l1, %o0; \ + .previous; \ + SYSCALL_ERROR_HANDLER \ + SYSCALL_ERROR_HANDLER2 + +#define SYSCALL_ERROR_HANDLER2 \ +SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler2) \ + .global __errno_location; \ + .type __errno_location,@function; \ + CDISABLE; \ + mov %l0, %o0; \ + call __errno_location; \ + nop; \ + st %l1, [%o0]; \ + jmpl %i7 + 8, %g0; \ + restore %g0, -1, %o0; \ + .previous; + +# ifdef IS_IN_libpthread +# define CENABLE call __pthread_enable_asynccancel +# define CDISABLE call __pthread_disable_asynccancel +# elif !defined NOT_IN_libc +# define CENABLE call __libc_enable_asynccancel +# define CDISABLE call __libc_disable_asynccancel +# else +# define CENABLE call __librt_enable_asynccancel +# define CDISABLE call __librt_disable_asynccancel +# endif + +#define COPY_ARGS_0 /* Nothing */ +#define COPY_ARGS_1 COPY_ARGS_0 mov %i0, %o0; +#define COPY_ARGS_2 COPY_ARGS_1 mov %i1, %o1; +#define COPY_ARGS_3 COPY_ARGS_2 mov %i2, %o2; +#define COPY_ARGS_4 COPY_ARGS_3 mov %i3, %o3; +#define COPY_ARGS_5 COPY_ARGS_4 mov %i4, %o4; +#define COPY_ARGS_6 COPY_ARGS_5 mov %i5, %o5; + +# ifndef __ASSEMBLER__ +# define SINGLE_THREAD_P \ + __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ + p_header.data.multiple_threads) == 0, 1) +# else +# define SINGLE_THREAD_P ld [%g7 + MULTIPLE_THREADS_OFFSET], %g1 +# endif + +#elif !defined __ASSEMBLER__ + +/* This code should never be used but we define it anyhow. */ +# define SINGLE_THREAD_P (1) + +#endif diff --git a/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S new file mode 100644 index 0000000000..8a6d2771e8 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S @@ -0,0 +1,64 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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-cancel.h> + +#ifdef SHARED +.LLGETPC0: + retl + add %o7, %o0, %o0 +#endif +ENTRY(__vfork) +#ifdef SHARED + mov %o7, %o1 + sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o0 + call .LLGETPC0 + add %o0, %lo(_GLOBAL_OFFSET_TABLE_+4), %o0 + sethi %hi(__libc_pthread_functions), %o2 + mov %o1, %o7 + or %o2, %lo(__libc_pthread_functions), %o2 + ldx [%o0 + %o2], %o2 + ldx [%o2], %o0 +#else + .weak pthread_create + sethi %hi(pthread_create), %o0 + or %o0, %lo(pthread_create), %o0 +#endif +#if defined SHARED && !defined BROKEN_SPARC_WDISP22 + cmp %o0, 0 + bne HIDDEN_JUMPTARGET(__fork) +#else + brnz,pn %o0, 1f +#endif + mov __NR_vfork, %g1 + ta 0x6d + bcs,pn %xcc, __syscall_error_handler + nop + sub %o1, 1, %o1 + retl + and %o0, %o1, %o0 +#if !defined SHARED || defined BROKEN_SPARC_WDISP22 +1: mov %o7, %g1 + call HIDDEN_JUMPTARGET(__fork) + mov %g1, %o7 +#endif + SYSCALL_ERROR_HANDLER +PSEUDO_END (__vfork) +libc_hidden_def (__vfork) +weak_alias (__vfork, vfork) |