From 481de81559b8c58c7745a29d560c304a0f6c2658 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 6 Sep 2014 14:45:42 +0200 Subject: linuxthreads: remove unused s390 code Cleanup linuxthreads by removing unused s390 code. Signed-off-by: Waldemar Brodkorb --- libc/stdlib/system.c | 3 - libpthread/linuxthreads/sysdeps/s390/pspinlock.c | 90 ------------ .../linuxthreads/sysdeps/s390/s390-32/pt-machine.h | 119 ---------------- .../linuxthreads/sysdeps/s390/s390-64/pt-machine.h | 124 ----------------- .../linuxthreads/sysdeps/s390/tcb-offsets.sym | 4 - libpthread/linuxthreads/sysdeps/s390/tls.h | 144 ------------------- .../sysdeps/unix/sysv/linux/s390/bits/typesizes.h | 71 ---------- .../unix/sysv/linux/s390/s390-32/pt-initfini.c | 153 --------------------- .../unix/sysv/linux/s390/s390-32/sysdep-cancel.h | 136 ------------------ .../sysdeps/unix/sysv/linux/s390/s390-32/vfork.S | 68 --------- .../unix/sysv/linux/s390/s390-64/pt-initfini.c | 136 ------------------ .../unix/sysv/linux/s390/s390-64/pt-sigsuspend.c | 1 - .../unix/sysv/linux/s390/s390-64/sysdep-cancel.h | 115 ---------------- .../sysdeps/unix/sysv/linux/s390/s390-64/vfork.S | 53 ------- 14 files changed, 1217 deletions(-) delete mode 100644 libpthread/linuxthreads/sysdeps/s390/pspinlock.c delete mode 100644 libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h delete mode 100644 libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h delete mode 100644 libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym delete mode 100644 libpthread/linuxthreads/sysdeps/s390/tls.h delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/bits/typesizes.h delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h delete mode 100644 libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S diff --git a/libc/stdlib/system.c b/libc/stdlib/system.c index 3ef9a8b1c..7f81f947a 100644 --- a/libc/stdlib/system.c +++ b/libc/stdlib/system.c @@ -91,9 +91,6 @@ libc_hidden_proto(waitpid) #elif defined __sparc__ # define FORK() \ INLINE_CLONE_SYSCALL (CLONE_PARENT_SETTID | SIGCHLD, 0, &pid, NULL, NULL) -#elif defined __s390__ -# define FORK() \ - INLINE_SYSCALL (clone, 3, 0, CLONE_PARENT_SETTID | SIGCHLD, &pid) #else # define FORK() \ INLINE_SYSCALL (clone, 3, CLONE_PARENT_SETTID | SIGCHLD, 0, &pid) diff --git a/libpthread/linuxthreads/sysdeps/s390/pspinlock.c b/libpthread/linuxthreads/sysdeps/s390/pspinlock.c deleted file mode 100644 index be7578642..000000000 --- a/libpthread/linuxthreads/sysdeps/s390/pspinlock.c +++ /dev/null @@ -1,90 +0,0 @@ -/* POSIX spinlock implementation. S/390 version. - Copyright (C) 2000, 2004 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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, see . */ - -#include -#include -#include "internals.h" - -/* This implementation is similar to the one used in the Linux kernel. - But the kernel is byte instructions for the memory access. This is - faster but unusable here. The problem is that only 128 - threads/processes could use the spinlock at the same time. If (by - a design error in the program) a thread/process would hold the - spinlock for a time long enough to accumulate 128 waiting - processes, the next one will find a positive value in the spinlock - and assume it is unlocked. We cannot accept that. */ - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - __asm__ __volatile__(" basr 1,0\n" - "0: slr 0,0\n" - " cs 0,1,%1\n" - " jl 0b\n" - : "=m" (*lock) - : "m" (*lock) : "0", "1", "cc" ); - return 0; -} -weak_alias (__pthread_spin_lock, pthread_spin_lock) - -int -__pthread_spin_trylock (pthread_spinlock_t *lock) -{ - int oldval; - - __asm__ __volatile__(" slr %1,%1\n" - " basr 1,0\n" - "0: cs %1,1,%0" - : "=m" (*lock), "=&d" (oldval) - : "m" (*lock) : "1", "cc" ); - return oldval == 0 ? 0 : EBUSY; -} -weak_alias (__pthread_spin_trylock, pthread_spin_trylock) - - -int -__pthread_spin_unlock (pthread_spinlock_t *lock) -{ - __asm__ __volatile__(" xc 0(4,%0),0(%0)\n" - " bcr 15,0" - : : "a" (lock) : "memory" ); - return 0; -} -weak_alias (__pthread_spin_unlock, pthread_spin_unlock) - - -int -__pthread_spin_init (pthread_spinlock_t *lock, int pshared) -{ - /* We can ignore the `pshared' parameter. Since we are busy-waiting - all processes which can access the memory location `lock' points - to can use the spinlock. */ - *lock = 0; - return 0; -} -weak_alias (__pthread_spin_init, pthread_spin_init) - - -int -__pthread_spin_destroy (pthread_spinlock_t *lock) -{ - /* Nothing to do. */ - return 0; -} -weak_alias (__pthread_spin_destroy, pthread_spin_destroy) diff --git a/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h b/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h deleted file mode 100644 index 51505a97d..000000000 --- a/libpthread/linuxthreads/sysdeps/s390/s390-32/pt-machine.h +++ /dev/null @@ -1,119 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - S390 version. - Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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, see . */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -/* For multiprocessor systems, we want to ensure all memory accesses - are completed before we reset a lock. On other systems, we still - need to make sure that the compiler has flushed everything to memory. */ -#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory") - -/* Spinlock implementation; required. */ -PT_EI long int -testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__( - " la 1,%1\n" - " lhi 0,1\n" - " l %0,%1\n" - "0: cs %0,0,0(1)\n" - " jl 0b" - : "=&d" (ret), "+m" (*spinlock) - : : "0", "1", "cc"); - - return ret; -} - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME stack_pointer -register char * stack_pointer __asm__ ("15"); - -#ifdef __UCLIBC_HAS_TLS__ -/* Return the thread descriptor for the current thread. */ -# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ()) - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr) -#else -/* Return the thread descriptor for the current thread. - S/390 registers uses access register 0 as "thread register". */ -#define THREAD_SELF ({ \ - register pthread_descr __self; \ - __asm__ ("ear %0,%%a0" : "=d" (__self) ); \ - __self; \ -}) - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) ({ \ - __asm__ ("sar %%a0,%0" : : "d" (descr) ); \ -}) -#endif - -/* Access to data in the thread descriptor is easy. */ -#define THREAD_GETMEM(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_GETMEM_NC(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_SETMEM(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) -#define THREAD_SETMEM_NC(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) - -/* We want the OS to assign stack addresses. */ -#define FLOATING_STACKS 1 - -/* Maximum size of the stack if the rlimit is unlimited. */ -#define ARCH_STACK_MAX_SIZE 8*1024*1024 - -/* Compare-and-swap for semaphores. */ - -#define HAS_COMPARE_AND_SWAP - -PT_EI int -__compare_and_swap(long int *p, long int oldval, long int newval) -{ - int retval; - - __asm__ __volatile__( - " la 1,%1\n" - " lr 0,%2\n" - " cs 0,%3,0(1)\n" - " ipm %0\n" - " srl %0,28\n" - "0:" - : "=&d" (retval), "+m" (*p) - : "d" (oldval) , "d" (newval) - : "cc", "0", "1" ); - return retval == 0; -} - -#endif /* pt-machine.h */ diff --git a/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h b/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h deleted file mode 100644 index 4bff85aec..000000000 --- a/libpthread/linuxthreads/sysdeps/s390/s390-64/pt-machine.h +++ /dev/null @@ -1,124 +0,0 @@ -/* Machine-dependent pthreads configuration and inline functions. - 64 bit S/390 version. - Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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, see . */ - -#ifndef _PT_MACHINE_H -#define _PT_MACHINE_H 1 - -#ifndef PT_EI -# define PT_EI __extern_always_inline -#endif - -extern long int testandset (int *spinlock); -extern int __compare_and_swap (long int *p, long int oldval, long int newval); - -/* For multiprocessor systems, we want to ensure all memory accesses - are completed before we reset a lock. On other systems, we still - need to make sure that the compiler has flushed everything to memory. */ -#define MEMORY_BARRIER() __asm__ __volatile__ ("bcr 15,0" : : : "memory") - -/* Spinlock implementation; required. */ -PT_EI long int -testandset (int *spinlock) -{ - int ret; - - __asm__ __volatile__( - " la 1,%1\n" - " lhi 0,1\n" - " l %0,%1\n" - "0: cs %0,0,0(1)\n" - " jl 0b" - : "=&d" (ret), "+m" (*spinlock) - : : "0", "1", "cc"); - - return ret; -} - - -/* Get some notion of the current stack. Need not be exactly the top - of the stack, just something somewhere in the current frame. */ -#define CURRENT_STACK_FRAME stack_pointer -register char * stack_pointer __asm__ ("15"); - -#ifdef __UCLIBC_HAS_TLS__ -/* Return the thread descriptor for the current thread. */ -# define THREAD_SELF ((pthread_descr) __builtin_thread_pointer ()) - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) __builtin_set_thread_pointer (descr) -#else -/* Return the thread descriptor for the current thread. - 64 bit S/390 uses access register 0 and 1 as "thread register". */ -#define THREAD_SELF ({ \ - register pthread_descr __self; \ - __asm__ (" ear %0,%%a0\n" \ - " sllg %0,%0,32\n" \ - " ear %0,%%a1\n" \ - : "=d" (__self) ); \ - __self; \ -}) - -/* Initialize the thread-unique value. */ -#define INIT_THREAD_SELF(descr, nr) ({ \ - __asm__ (" sar %%a1,%0\n" \ - " srlg 0,%0,32\n" \ - " sar %%a0,0\n" \ - : : "d" (descr) : "0" ); \ -}) -#endif - -/* Access to data in the thread descriptor is easy. */ -#define THREAD_GETMEM(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_GETMEM_NC(descr, member) \ - ((void) sizeof (descr), THREAD_SELF->member) -#define THREAD_SETMEM(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) -#define THREAD_SETMEM_NC(descr, member, value) \ - ((void) sizeof (descr), THREAD_SELF->member = (value)) - -/* We want the OS to assign stack addresses. */ -#define FLOATING_STACKS 1 - -/* Maximum size of the stack if the rlimit is unlimited. */ -#define ARCH_STACK_MAX_SIZE 8*1024*1024 - -/* Compare-and-swap for semaphores. */ - -#define HAS_COMPARE_AND_SWAP - -PT_EI int -__compare_and_swap(long int *p, long int oldval, long int newval) -{ - int retval; - - __asm__ __volatile__( - " lgr 0,%2\n" - " csg 0,%3,%1\n" - " ipm %0\n" - " srl %0,28\n" - "0:" - : "=&d" (retval), "+m" (*p) - : "d" (oldval) , "d" (newval) - : "cc", "0"); - return retval == 0; -} - -#endif /* pt-machine.h */ diff --git a/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym b/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym deleted file mode 100644 index aee6be257..000000000 --- a/libpthread/linuxthreads/sysdeps/s390/tcb-offsets.sym +++ /dev/null @@ -1,4 +0,0 @@ -#include -#include - -MULTIPLE_THREADS_OFFSET offsetof (tcbhead_t, multiple_threads) diff --git a/libpthread/linuxthreads/sysdeps/s390/tls.h b/libpthread/linuxthreads/sysdeps/s390/tls.h deleted file mode 100644 index d987bdbc2..000000000 --- a/libpthread/linuxthreads/sysdeps/s390/tls.h +++ /dev/null @@ -1,144 +0,0 @@ -/* Definitions for thread-local data handling. linuxthreads/s390 version. - Copyright (C) 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 - 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, see - . */ - -#ifndef _TLS_H -#define _TLS_H - -#ifndef __ASSEMBLER__ - -# include -# include -# include - -/* Type for the dtv. */ -typedef union dtv -{ - size_t counter; - struct - { - void *val; - bool is_static; - } pointer; -} dtv_t; - -typedef struct -{ - void *tcb; /* Pointer to the TCB. Not necessary the - thread descriptor used by libpthread. */ - dtv_t *dtv; - void *self; /* Pointer to the thread descriptor. */ - int multiple_threads; -} tcbhead_t; - -#else /* __ASSEMBLER__ */ -# include -#endif /* __ASSEMBLER__ */ - -/* TLS is always supported if the tools support it. There are no - kernel dependencies. To avoid bothering with the TLS support code - at all, use configure --without-tls. - - We need USE_TLS to be consistently defined, for ldsodefs.h - conditionals. */ - -#ifdef HAVE_TLS_SUPPORT - -/* Signal that TLS support is available. */ -# define USE_TLS 1 - -# ifndef __ASSEMBLER__ -/* Get system call information. */ -# include - - -/* Get the thread descriptor definition. */ -# include - -/* This is the size of the initial TCB. */ -# define TLS_INIT_TCB_SIZE sizeof (tcbhead_t) - -/* Alignment requirements for the initial TCB. */ -# define TLS_INIT_TCB_ALIGN __alignof__ (tcbhead_t) - -/* This is the size of the TCB. */ -# define TLS_TCB_SIZE sizeof (struct _pthread_descr_struct) - -/* Alignment requirements for the TCB. */ -# define TLS_TCB_ALIGN __alignof__ (struct _pthread_descr_struct) - -/* The TCB can have any size and the memory following the address the - thread pointer points to is unspecified. Allocate the TCB there. */ -# define TLS_TCB_AT_TP 1 - - -/* Install the dtv pointer. The pointer passed is to the element with - index -1 which contain the length. */ -# define INSTALL_DTV(descr, dtvp) \ - ((tcbhead_t *) (descr))->dtv = (dtvp) + 1 - -/* Install new dtv for current thread. */ -# define INSTALL_NEW_DTV(dtv) \ - (((tcbhead_t *) __builtin_thread_pointer ())->dtv = (dtv)) - -/* Return dtv of given thread descriptor. */ -# define GET_DTV(descr) \ - (((tcbhead_t *) (descr))->dtv) - -/* Code to initially initialize the thread pointer. This might need - special attention since 'errno' is not yet available and if the - operation can cause a failure 'errno' must not be touched. - - The value of this macro is null if successful, or an error string. */ -# define TLS_INIT_TP(descr, secondcall) \ - ({ \ - void *_descr = (descr); \ - tcbhead_t *head = _descr; \ - \ - head->tcb = _descr; \ - /* For now the thread descriptor is at the same address. */ \ - head->self = _descr; \ - \ - __builtin_set_thread_pointer (_descr); \ - NULL; \ - }) - -/* Return the address of the dtv for the current thread. */ -# define THREAD_DTV() \ - (((tcbhead_t *) __builtin_thread_pointer ())->dtv) - -# endif /* __ASSEMBLER__ */ - -#else /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */ - -# ifndef __ASSEMBLER__ - -/* Get the thread descriptor definition. */ -# include - -# define NONTLS_INIT_TP \ - do { \ - static const tcbhead_t nontls_init_tp \ - = { .multiple_threads = 0 }; \ - INIT_THREAD_SELF (&nontls_init_tp, 0); \ - } while (0) - -# endif /* __ASSEMBLER__ */ - -#endif /* HAVE_TLS_SUPPORT && (FLOATING_STACKS || !IS_IN_libpthread) */ - -#endif /* tls.h */ diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/bits/typesizes.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/bits/typesizes.h deleted file mode 100644 index 6b588257d..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/bits/typesizes.h +++ /dev/null @@ -1,71 +0,0 @@ -/* bits/typesizes.h -- underlying types for *_t. Linux/s390 version. - Copyright (C) 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, see - . */ - -#ifndef _BITS_TYPES_H -# error "Never include directly; use instead." -#endif - -#ifndef _BITS_TYPESIZES_H -#define _BITS_TYPESIZES_H 1 - -/* See for the meaning of these macros. This file exists so - that 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 __UWORD_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 __SLONGWORD_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]; } -#if defined __GNUC__ && __GNUC__ <= 2 -/* Compatibility with g++ 2.95.x. */ -#define __SSIZE_T_TYPE __SWORD_TYPE -#else -/* size_t is unsigned long int on s390 -m31. */ -#define __SSIZE_T_TYPE __SLONGWORD_TYPE -#endif - -/* Number of descriptors that can fit in an `fd_set'. */ -#define __FD_SETSIZE 1024 - - -#endif /* bits/typesizes.h */ diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c deleted file mode 100644 index cde418307..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/pt-initfini.c +++ /dev/null @@ -1,153 +0,0 @@ -/* Special .init and .fini section support for S/390. - Copyright (C) 2000, 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 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. - - In addition to the permissions in the GNU Lesser General Public - License, the Free Software Foundation gives you unlimited - permission to link the compiled version of this file with other - programs, and to distribute those programs without any restriction - coming from the use of this file. (The Lesser General Public - License restrictions do apply in other respects; for example, they - cover modification of the file, and distribution when not linked - into another program.) - - 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, - see . */ - -/* This file is compiled into assembly code which is then munged by a sed - script into two files: crti.s and crtn.s. - - * crti.s puts a function prologue at the beginning of the - .init and .fini sections and defines global symbols for - those addresses, so they can be called as functions. - - * crtn.s puts the corresponding function epilogues - in the .init and .fini sections. */ - -__asm__ ("\ -\n\ -#include \"defs.h\"\n\ -\n\ -/*@HEADER_ENDS*/\n\ -\n\ -/*@TESTS_BEGIN*/\n\ -\n\ -/*@TESTS_END*/\n\ -\n\ -/*@_init_PROLOG_BEGINS*/\n\ -\n\ - .section .init\n\ -#NO_APP\n\ - .align 4\n\ -.globl _init\n\ - .type _init,@function\n\ -_init:\n\ -# leaf function 0\n\ -# automatics 0\n\ -# outgoing args 0\n\ -# need frame pointer 0\n\ -# call alloca 0\n\ -# has varargs 0\n\ -# incoming args (stack) 0\n\ -# function length 36\n\ - STM 6,15,24(15)\n\ - BRAS 13,.LTN1_0\n\ -.LT1_0:\n\ -.LC13:\n\ - .long __pthread_initialize_minimal@PLT-.LT1_0\n\ -.LC14:\n\ - .long __gmon_start__@GOT\n\ -.LC15:\n\ - .long _GLOBAL_OFFSET_TABLE_-.LT1_0\n\ -.LTN1_0:\n\ - LR 1,15\n\ - AHI 15,-96\n\ - ST 1,0(15)\n\ - L 12,.LC15-.LT1_0(13)\n\ - AR 12,13\n\ - L 1,.LC13-.LT1_0(13)\n\ - LA 1,0(1,13)\n\ - BASR 14,1\n\ - L 1,.LC14-.LT1_0(13)\n\ - L 1,0(1,12)\n\ - LTR 1,1\n\ - JE .L22\n\ - BASR 14,1\n\ -.L22:\n\ -#APP\n\ - .align 4,0x07\n\ - END_INIT\n\ -\n\ -/*@_init_PROLOG_ENDS*/\n\ -\n\ -/*@_init_EPILOG_BEGINS*/\n\ - .align 4\n\ - .section .init\n\ -#NO_APP\n\ - .align 4\n\ - L 4,152(15)\n\ - LM 6,15,120(15)\n\ - BR 4\n\ -#APP\n\ - END_INIT\n\ -\n\ -/*@_init_EPILOG_ENDS*/\n\ -\n\ -/*@_fini_PROLOG_BEGINS*/\n\ - .section .fini\n\ -#NO_APP\n\ - .align 4\n\ -.globl _fini\n\ - .type _fini,@function\n\ -_fini:\n\ -# leaf function 0\n\ -# automatics 0\n\ -# outgoing args 0\n\ -# need frame pointer 0\n\ -# call alloca 0\n\ -# has varargs 0\n\ -# incoming args (stack) 0\n\ -# function length 30\n\ - STM 6,15,24(15)\n\ - BRAS 13,.LTN2_0\n\ -.LT2_0:\n\ -.LC17:\n\ - .long _GLOBAL_OFFSET_TABLE_-.LT2_0\n\ -.LTN2_0:\n\ - LR 1,15\n\ - AHI 15,-96\n\ - ST 1,0(15)\n\ - L 12,.LC17-.LT2_0(13)\n\ - AR 12,13\n\ -#APP\n\ - .align 4,0x07\n\ - END_FINI\n\ -\n\ -/*@_fini_PROLOG_ENDS*/\n\ -\n\ -/*@_fini_EPILOG_BEGINS*/\n\ - .align 4\n\ - .section .fini\n\ -#NO_APP\n\ - .align 4\n\ - L 4,152(15)\n\ - LM 6,15,120(15)\n\ - BR 4\n\ -#APP\n\ - END_FINI\n\ -\n\ -/*@_fini_EPILOG_ENDS*/\n\ -\n\ -/*@TRAILER_BEGINS*/\ -"); diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h deleted file mode 100644 index 2431129e5..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h +++ /dev/null @@ -1,136 +0,0 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 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, see - . */ - -#include -#include -#ifndef __ASSEMBLER__ -# include -#endif - -#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt - -# if !defined NOT_IN_libc || defined IS_IN_libpthread - -# define PSEUDO_CANCEL(name, syscall_name, args) \ -L(pseudo_cancel): \ - STM_##args \ - stm %r12,%r15,48(%r15); \ - lr %r14,%r15; \ - ahi %r15,-96; \ - st %r14,0(%r15); \ - basr %r13,0; \ -0: l %r1,1f-0b(%r13); \ - bas %r14,0(%r1,%r13); \ - lr %r0,%r2; \ - LM_##args \ - DO_CALL(syscall_name, args); \ - l %r1,2f-0b(%r13); \ - lr %r12,%r2; \ - lr %r2,%r0; \ - bas %r14,0(%r1,%r13); \ - lr %r2,%r12; \ - lm %r12,%r15,48+96(%r15); \ - j L(pseudo_check); \ -1: .long CENABLE-0b; \ -2: .long CDISABLE-0b; - -# else /* !libc.so && !libpthread.so */ - -# define PSEUDO_CANCEL(name, syscall_name, args) \ -L(pseudo_cancel): \ - STM_##args \ - stm %r11,%r15,44(%r15); \ - lr %r14,%r15; \ - ahi %r15,-96; \ - st %r14,0(%r15); \ - basr %r13,0; \ -0: l %r12,3f-0b(%r13); \ - l %r1,1f-0b(%r13); \ - la %r12,0(%r12,%r13); \ - bas %r14,0(%r1,%r13); \ - lr %r0,%r2; \ - LM_##args \ - DO_CALL(syscall_name, args); \ - l %r1,2f-0b(%r13); \ - lr %r11,%r2; \ - lr %r2,%r0; \ - bas %r14,0(%r1,%r13); \ - lr %r2,%r11; \ - lm %r11,%r15,44+96(%r15); \ - j L(pseudo_check); \ -1: .long CENABLE@PLT-0b; \ -2: .long CDISABLE@PLT-0b; \ -3: .long _GLOBAL_OFFSET_TABLE_-0b; - -# endif - -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ -PSEUDO_CANCEL(name, syscall_name, args) \ -ENTRY(name) \ - SINGLE_THREAD_P(%r1) \ - jne L(pseudo_cancel); \ - DO_CALL(syscall_name, args); \ -L(pseudo_check): \ - lhi %r4,-4095; \ - clr %r2,%r4; \ - jnl SYSCALL_ERROR_LABEL; \ -L(pseudo_end): - -# ifdef IS_IN_libpthread -# define CENABLE __pthread_enable_asynccancel -# define CDISABLE __pthread_disable_asynccancel -# elif !defined NOT_IN_libc -# define CENABLE __libc_enable_asynccancel -# define CDISABLE __libc_disable_asynccancel -# else -# define CENABLE __librt_enable_asynccancel -# define CDISABLE __librt_disable_asynccancel -# endif - -#define STM_0 /* Nothing */ -#define STM_1 st %r2,8(%r15); -#define STM_2 stm %r2,%r3,8(%r15); -#define STM_3 stm %r2,%r4,8(%r15); -#define STM_4 stm %r2,%r5,8(%r15); -#define STM_5 stm %r2,%r5,8(%r15); - -#define LM_0 /* Nothing */ -#define LM_1 l %r2,8+96(%r15); -#define LM_2 lm %r2,%r3,8+96(%r15); -#define LM_3 lm %r2,%r4,8+96(%r15); -#define LM_4 lm %r2,%r5,8+96(%r15); -#define LM_5 lm %r2,%r5,8+96(%r15); - -# ifndef __ASSEMBLER__ -# define SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - p_header.data.multiple_threads) == 0, 1) -# else -# define SINGLE_THREAD_P(reg) \ - ear reg,%a0; \ - icm reg,15,MULTIPLE_THREADS_OFFSET(reg); -# endif - -#elif !defined __ASSEMBLER__ - -/* This code should never be used but we define it anyhow. */ -# define SINGLE_THREAD_P (1) - -#endif diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S deleted file mode 100644 index 078c730fd..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-32/vfork.S +++ /dev/null @@ -1,68 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky - - 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, see - . */ - -#include -#define _ERRNO_H 1 -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) - basr %r1,0 -0: -#ifdef SHARED - al %r1,4f-0b(%r1) - l %r1,0(%r1) - ltr %r1,%r1 -#else - icm %r1,15,4f-0b(%r1) -#endif - jne 1f - - /* Do vfork system call. */ - svc SYS_ify (vfork) - - /* Check for error. */ - lhi %r4,-4095 - clr %r2,%r4 - jnl SYSCALL_ERROR_LABEL - - /* Normal return. */ - br %r14 -1: - basr %r1,0 -2: - al %r1,3f-2b(%r1) - br %r1 -3: - .long HIDDEN_JUMPTARGET(fork)-2b -4: -#ifdef SHARED - .long __libc_pthread_functions-0b -#else - .weak pthread_create - .long pthread_create -#endif -PSEUDO_END(__vfork) - -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c deleted file mode 100644 index 136ce5442..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-initfini.c +++ /dev/null @@ -1,136 +0,0 @@ -/* Special .init and .fini section support for 64 bit S/390. - Copyright (C) 2001 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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. - - In addition to the permissions in the GNU Lesser General Public - License, the Free Software Foundation gives you unlimited - permission to link the compiled version of this file with other - programs, and to distribute those programs without any restriction - coming from the use of this file. (The Lesser General Public - License restrictions do apply in other respects; for example, they - cover modification of the file, and distribution when not linked - into another program.) - - 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, - see . */ - -/* This file is compiled into assembly code which is then munged by a sed - script into two files: crti.s and crtn.s. - - * crti.s puts a function prologue at the beginning of the - .init and .fini sections and defines global symbols for - those addresses, so they can be called as functions. - - * crtn.s puts the corresponding function epilogues - in the .init and .fini sections. */ - -__asm__ ("\ -\n\ -#include \"defs.h\"\n\ -\n\ -/*@HEADER_ENDS*/\n\ -\n\ -/*@TESTS_BEGIN*/\n\ -\n\ -/*@TESTS_END*/\n\ -\n\ -/*@_init_PROLOG_BEGINS*/\n\ -\n\ - .section .init\n\ -#NO_APP\n\ - .align 4\n\ -.globl _init\n\ - .type _init,@function\n\ -_init:\n\ -# leaf function 0\n\ -# automatics 0\n\ -# outgoing args 0\n\ -# need frame pointer 0\n\ -# call alloca 0\n\ -# has varargs 0\n\ -# incoming args (stack) 0\n\ -# function length 36\n\ - STMG 6,15,48(15)\n\ - LGR 1,15\n\ - AGHI 15,-160\n\ - STG 1,0(15)\n\ - LARL 12,_GLOBAL_OFFSET_TABLE_\n\ - BRASL 14,__pthread_initialize_minimal@PLT\n\ - LARL 1,__gmon_start__@GOTENT\n\ - LG 1,0(1)\n\ - LTGR 1,1\n\ - JE .L22\n\ - BASR 14,1\n\ -.L22:\n\ -#APP\n\ - .align 4,0x07\n\ - END_INIT\n\ -\n\ -/*@_init_PROLOG_ENDS*/\n\ -\n\ -/*@_init_EPILOG_BEGINS*/\n\ - .align 4\n\ - .section .init\n\ -#NO_APP\n\ - .align 4\n\ - LG 4,272(15)\n\ - LMG 6,15,208(15)\n\ - BR 4\n\ -#APP\n\ - END_INIT\n\ -\n\ -/*@_init_EPILOG_ENDS*/\n\ -\n\ -/*@_fini_PROLOG_BEGINS*/\n\ - .section .fini\n\ -#NO_APP\n\ - .align 4\n\ -.globl _fini\n\ - .type _fini,@function\n\ -_fini:\n\ -# leaf function 0\n\ -# automatics 0\n\ -# outgoing args 0\n\ -# need frame pointer 0\n\ -# call alloca 0\n\ -# has varargs 0\n\ -# incoming args (stack) 0\n\ -# function length 30\n\ - STMG 6,15,48(15)\n\ - LGR 1,15\n\ - AGHI 15,-160\n\ - STG 1,0(15)\n\ - LARL 12,_GLOBAL_OFFSET_TABLE_\n\ -#APP\n\ - .align 4,0x07\n\ - END_FINI\n\ -\n\ -/*@_fini_PROLOG_ENDS*/\n\ -\n\ -/*@_fini_EPILOG_BEGINS*/\n\ - .align 4\n\ - .section .fini\n\ -#NO_APP\n\ - .align 4\n\ - LG 4,272(15)\n\ - LMG 6,15,208(15)\n\ - BR 4\n\ -#APP\n\ - END_FINI\n\ -\n\ -/*@_fini_EPILOG_ENDS*/\n\ -\n\ -/*@TRAILER_BEGINS*/\n\ - "); diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c deleted file mode 100644 index d57283ad2..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/pt-sigsuspend.c +++ /dev/null @@ -1 +0,0 @@ -#include "../../ia64/pt-sigsuspend.c" diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h deleted file mode 100644 index cf3124ebb..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h +++ /dev/null @@ -1,115 +0,0 @@ -/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek , 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, see - . */ - -#include -#include -#ifndef __ASSEMBLER__ -# include -#endif - -#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt - -# undef PSEUDO -# define PSEUDO(name, syscall_name, args) \ - .text; \ -L(pseudo_cancel): \ - STM_##args \ - stmg %r13,%r15,104(%r15); \ - lgr %r14,%r15; \ - aghi %r15,-160; \ - stg %r14,0(%r15); \ - brasl %r14,CENABLE; \ - lgr %r0,%r2; \ - LM_##args \ - DO_CALL(syscall_name, args); \ - lgr %r13,%r2; \ - lgr %r2,%r0; \ - brasl %r14,CDISABLE; \ - lgr %r2,%r13; \ - lmg %r13,%r15,104+160(%r15); \ - j L(pseudo_check); \ -ENTRY(name) \ - SINGLE_THREAD_P \ - jne L(pseudo_cancel); \ - DO_CALL(syscall_name, args); \ -L(pseudo_check): \ - lghi %r4,-4095; \ - clgr %r2,%r4; \ - jgnl SYSCALL_ERROR_LABEL; \ -L(pseudo_end): - -# ifdef IS_IN_libpthread -# define CENABLE __pthread_enable_asynccancel -# define CDISABLE __pthread_disable_asynccancel -# define __local_multiple_threads __pthread_multiple_threads -# elif !defined NOT_IN_libc -# define CENABLE __libc_enable_asynccancel -# define CDISABLE __libc_disable_asynccancel -# define __local_multiple_threads __libc_multiple_threads -# else -# define CENABLE __librt_enable_asynccancel@PLT -# define CDISABLE __librt_disable_asynccancel@PLT -# endif - -#define STM_0 /* Nothing */ -#define STM_1 stg %r2,16(%r15); -#define STM_2 stmg %r2,%r3,16(%r15); -#define STM_3 stmg %r2,%r4,16(%r15); -#define STM_4 stmg %r2,%r5,16(%r15); -#define STM_5 stmg %r2,%r5,16(%r15); - -#define LM_0 /* Nothing */ -#define LM_1 lg %r2,16+160(%r15); -#define LM_2 lmg %r2,%r3,16+160(%r15); -#define LM_3 lmg %r2,%r4,16+160(%r15); -#define LM_4 lmg %r2,%r5,16+160(%r15); -#define LM_5 lmg %r2,%r5,16+160(%r15); - -# if !defined NOT_IN_libc || defined IS_IN_libpthread -# ifndef __ASSEMBLER__ -extern int __local_multiple_threads attribute_hidden; -# define SINGLE_THREAD_P \ - __builtin_expect (__local_multiple_threads == 0, 1) -# else -# define SINGLE_THREAD_P \ - larl %r1,__local_multiple_threads; \ - icm %r0,15,0(%r1); -# endif - -# else - -# ifndef __ASSEMBLER__ -# define SINGLE_THREAD_P \ - __builtin_expect (THREAD_GETMEM (THREAD_SELF, \ - p_header.data.multiple_threads) == 0, 1) -# else -# define SINGLE_THREAD_P \ - ear %r1,%a0; \ - sllg %r1,%r1,32; \ - ear %r1,%a1; \ - icm %r1,15,MULTIPLE_THREADS_OFFSET(%r1); -# endif - -# endif - -#elif !defined __ASSEMBLER__ - -/* This code should never be used but we define it anyhow. */ -# define SINGLE_THREAD_P (1) - -#endif diff --git a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S b/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S deleted file mode 100644 index 109d4f6dc..000000000 --- a/libpthread/linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S +++ /dev/null @@ -1,53 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky - - 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, see - . */ - -#include -#define _ERRNO_H 1 -#include - -/* Clone the calling process, but without copying the whole address space. - The calling process is suspended until the new process exits or is - replaced by a call to `execve'. Return -1 for errors, 0 to the new process, - and the process ID of the new process to the old process. */ - -ENTRY (__vfork) -#ifdef SHARED - larl %r1,__libc_pthread_functions - lg %r1,0(%r1) -#else - .weak pthread_create - larl %r1,pthread_create -#endif - ltgr %r1,%r1 - jgne HIDDEN_JUMPTARGET(fork) - - /* Do vfork system call. */ - svc SYS_ify (vfork) - - /* Check for error. */ - lghi %r4,-4095 - clgr %r2,%r4 - jgnl SYSCALL_ERROR_LABEL - - /* Normal return. */ - br %r14 -PSEUDO_END(__vfork) - -libc_hidden_def (__vfork) - -weak_alias (__vfork, vfork) -- cgit v1.2.3