mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
e6ebd2e4db
2003-01-27 Martin Schwidefsky <schwidefsky@de.ibm.com> * elf/elf.h: Add new s390 relocs. * elf/tls-macros.h: Add s390 versions. * sysdeps/s390/Versions [GLIBC_2.3] (ld): Export __tls_get_offset. * sysdeps/s390/dl-tls.h: New file. * sysdeps/s390/libc-tls.c: New file. * sysdeps/s390/s390-32/dl-machine.h (elf_machine_type_class): Add TLS relocs for class PLT. (elf_machine_rela): Handle TLS relocs. * sysdeps/s390/s390-64/dl-machine.h: Likewise. * sysdeps/s390/s390-32/elf/configure.in: Add TLS check. * sysdeps/s390/s390-64/elf/configure.in: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/clone.S: Add support for CLONE_CHILD_*TID flags. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S: Use branch with 32 bit offset. * sysdeps/unix/sysv/linux/s390/s390-64/socket.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscall.S: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error): Support USE___THREAD. Define RTLD_PRIVATE_ERRNO variant. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h: (SYSCALL_ERROR_LABEL): Move define next to SYSCALL_ERROR_HANDLER. (SYSCALL_ERROR_HANDLER): Add USE___THREAD and RTLD_PRIVATE_ERRNO variants. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h: (SYSCALL_ERROR_LABEL): Move define next to SYSCALL_ERROR_HANDLER. Use direct branch to syscall_error for !PIC and PIC && !_LIBC_REENTRANT. (SYSCALL_ERROR_HANDLER): Add USE___THREAD and RTLD_PRIVATE_ERRNO variants.
113 lines
2.6 KiB
ArmAsm
113 lines
2.6 KiB
ArmAsm
/* 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; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
|
|
/* The following code is only used in the shared library when we
|
|
compile the reentrant version. Otherwise each system call defines
|
|
each own version. */
|
|
|
|
/* The syscall stubs jump here when they detect an error. */
|
|
|
|
#undef CALL_MCOUNT
|
|
#define CALL_MCOUNT
|
|
|
|
.text
|
|
ENTRY(__syscall_error)
|
|
#ifndef PIC
|
|
# if USE___THREAD
|
|
# ifndef NOT_IN_libc
|
|
# define SYSCALL_ERROR_ERRNO __libc_errno
|
|
# else
|
|
# define SYSCALL_ERROR_ERRNO errno
|
|
# endif
|
|
basr %r1,0
|
|
0: lg %r1,1f-0b(%r1)
|
|
ear %r3,%a0
|
|
sllg %r3,%r3,32
|
|
ear %r3,%a1
|
|
lcr %r2,%r2
|
|
st %r2,0(%r1,%r3)
|
|
lghi %r2,-1
|
|
br %r14
|
|
1: .quad SYSCALL_ERROR_ERRNO@ntpoff
|
|
# elif !defined _LIBC_REENTRANT
|
|
larl %r1,errno
|
|
lcr %r2,%r2
|
|
st %r2,0(%r1)
|
|
lghi %r2,-1
|
|
br %r14
|
|
# else
|
|
stmg %r13,%r15,104(%r15)
|
|
lgr %r0,%r15
|
|
aghi %r15,-160
|
|
lcr %r13,%r2
|
|
stg %r0,0(%r15)
|
|
brasl %r14,__errno_location
|
|
st %r13,0(%r2)
|
|
lmg %r13,%r15,264(%r15)
|
|
lghi %r2,-1
|
|
br %r14
|
|
#endif
|
|
#else
|
|
# if RTLD_PRIVATE_ERRNO
|
|
larl %r1,errno
|
|
lcr %r2,%r2
|
|
st %r2,0(%r1)
|
|
lghi %r2,-1
|
|
br %r14
|
|
# elif USE___THREAD
|
|
# ifndef NOT_IN_libc
|
|
# define SYSCALL_ERROR_ERRNO __libc_errno
|
|
# else
|
|
# define SYSCALL_ERROR_ERRNO errno
|
|
# endif
|
|
larl %r1,_GLOBAL_OFFSET_TABLE_
|
|
lg %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1)
|
|
ear %r3,%a0
|
|
sllg %r3,%r3,32
|
|
ear %r3,%a1
|
|
lcr %r2,%r2
|
|
st %r2,0(%r1,%r3)
|
|
lghi %r2,-1
|
|
br %r14
|
|
# elif !defined _LIBC_REENTRANT
|
|
larl %r1,_GLOBAL_OFFSET_TABLE_
|
|
lg %r1,errno@GOT(%r1)
|
|
lcr %r2,%r2
|
|
st %r2,0(%r1)
|
|
lghi %r2,-1
|
|
br %r14
|
|
# else
|
|
stmg %r13,%r15,104(%r15)
|
|
lgr %r0,%r15
|
|
aghi %r15,-160
|
|
lcr %r13,%r2
|
|
stg %r0,0(%r15)
|
|
brasl %r14,__errno_location@PLT
|
|
st %r13,0(%r2)
|
|
lmg %r13,%r15,264(%r15)
|
|
lghi %r2,-1
|
|
br %r14
|
|
# endif
|
|
#endif
|
|
|
|
END (__syscall_error)
|