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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.
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Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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/* The following code is only used in the shared library when we
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compile the reentrant version. Otherwise each system call defines
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each own version. */
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/* The syscall stubs jump here when they detect an error. */
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#undef CALL_MCOUNT
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#define CALL_MCOUNT
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.text
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ENTRY(__syscall_error)
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#ifndef PIC
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# if USE___THREAD
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# ifndef NOT_IN_libc
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# define SYSCALL_ERROR_ERRNO __libc_errno
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# else
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# define SYSCALL_ERROR_ERRNO errno
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# endif
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basr %r1,0
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0: lg %r1,1f-0b(%r1)
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ear %r3,%a0
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sllg %r3,%r3,32
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ear %r3,%a1
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lcr %r2,%r2
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st %r2,0(%r1,%r3)
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lghi %r2,-1
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br %r14
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1: .quad SYSCALL_ERROR_ERRNO@ntpoff
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# elif !defined _LIBC_REENTRANT
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larl %r1,errno
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# else
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stmg %r13,%r15,104(%r15)
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lgr %r0,%r15
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aghi %r15,-160
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lcr %r13,%r2
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stg %r0,0(%r15)
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brasl %r14,__errno_location
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st %r13,0(%r2)
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lmg %r13,%r15,264(%r15)
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lghi %r2,-1
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br %r14
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#endif
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#else
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# if RTLD_PRIVATE_ERRNO
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larl %r1,errno
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# elif USE___THREAD
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# ifndef NOT_IN_libc
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# define SYSCALL_ERROR_ERRNO __libc_errno
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# else
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# define SYSCALL_ERROR_ERRNO errno
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# endif
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larl %r1,_GLOBAL_OFFSET_TABLE_
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lg %r1,SYSCALL_ERROR_ERRNO@gotntpoff(%r1)
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ear %r3,%a0
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sllg %r3,%r3,32
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ear %r3,%a1
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lcr %r2,%r2
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st %r2,0(%r1,%r3)
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lghi %r2,-1
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br %r14
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# elif !defined _LIBC_REENTRANT
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larl %r1,_GLOBAL_OFFSET_TABLE_
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lg %r1,errno@GOT(%r1)
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lcr %r2,%r2
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st %r2,0(%r1)
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lghi %r2,-1
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br %r14
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# else
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stmg %r13,%r15,104(%r15)
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lgr %r0,%r15
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aghi %r15,-160
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lcr %r13,%r2
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stg %r0,0(%r15)
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brasl %r14,__errno_location@PLT
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st %r13,0(%r2)
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lmg %r13,%r15,264(%r15)
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lghi %r2,-1
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br %r14
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# endif
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#endif
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END (__syscall_error)
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