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/* 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.
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>
/* 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)
cfi_offset (%r15,-40)
cfi_offset (%r14,-48)
cfi_offset (%r13,-56)
lgr %r0,%r15
aghi %r15,-160
cfi_adjust_cfa_offset (160)
lcr %r13,%r2
stg %r0,0(%r15)
brasl %r14,__errno_location
st %r13,0(%r2)
lmg %r13,%r15,264(%r15)
cfi_adjust_cfa_offset (-160)
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)
cfi_offset (%r15,-40)
cfi_offset (%r14,-48)
cfi_offset (%r13,-56)
lgr %r0,%r15
aghi %r15,-160
cfi_adjust_cfa_offset (160)
lcr %r13,%r2
stg %r0,0(%r15)
brasl %r14,__errno_location@PLT
st %r13,0(%r2)
lmg %r13,%r15,264(%r15)
cfi_adjust_cfa_offset (-160)
lghi %r2,-1
br %r14
# endif
#endif
END (__syscall_error)
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