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Update.
2003-01-25 Guido Guenther <agx@sigxcpu.org> * sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: New file. * sysdeps/unix/sysv/linux/mips/Makefile: New file.
This commit is contained in:
Ulrich Drepper
parent
371a11f3d7
commit
e4e9446ba3
@ -1,3 +1,8 @@
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2003-01-25 Guido Guenther <agx@sigxcpu.org>
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* sysdeps/unix/sysv/linux/mips/sysdep-cancel.h: New file.
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* sysdeps/unix/sysv/linux/mips/Makefile: New file.
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2003-01-20 Martin Schwidefsky <schwidefsky@de.ibm.com>
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* sysdeps/unix/sysv/linux/s390/s390-32/vfork.S: Avoid non pc relative
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2
linuxthreads/sysdeps/unix/sysv/linux/mips/Makefile
Normal file
2
linuxthreads/sysdeps/unix/sysv/linux/mips/Makefile
Normal file
@ -0,0 +1,2 @@
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# pull in __syscall_error routine
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libpthread-routines += sysdep
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145
linuxthreads/sysdeps/unix/sysv/linux/mips/sysdep-cancel.h
Normal file
145
linuxthreads/sysdeps/unix/sysv/linux/mips/sysdep-cancel.h
Normal file
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/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Guido Guenther <agx@sigxcpu.org>, 2003.
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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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#ifndef __ASSEMBLER__
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# include <linuxthreads/internals.h>
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#endif
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#if !defined NOT_IN_libc || defined IS_IN_libpthread
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#ifdef __PIC__
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# undef PSEUDO
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# define PSEUDO(name, syscall_name, args) \
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.align 2; \
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99: la t9,__syscall_error; \
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jr t9; \
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ENTRY (name) \
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.set noreorder; \
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.cpload t9; \
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.set reorder; \
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SINGLE_THREAD_P(t0); \
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bne zero, t0, Lpseudo_cancel; \
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.set noreorder; \
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li v0, SYS_ify(syscall_name); \
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syscall; \
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.set reorder; \
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bne a3, zero, SYSCALL_ERROR_LABEL; \
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ret; \
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Lpseudo_cancel: \
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SAVESTK_##args; \
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sw ra, 28(sp); \
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sw gp, 32(sp); \
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PUSHARGS_##args; /* save syscall args */ \
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CENABLE; \
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lw gp, 32(sp); \
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sw v0, 44(sp); /* save mask */ \
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POPARGS_##args; /* restore syscall args */ \
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.set noreorder; \
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li v0, SYS_ify (syscall_name); \
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syscall; \
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.set reorder; \
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sw v0, 36(sp); /* save syscall result */ \
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sw a3, 40(sp); /* save syscall error flag */ \
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lw a0, 44(sp); /* pass mask as arg1 */ \
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CDISABLE; \
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lw gp, 32(sp); \
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lw v0, 36(sp); /* restore syscall result */ \
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lw a3, 40(sp); /* restore syscall error flag */ \
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lw ra, 28(sp); /* restore return address */ \
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RESTORESTK; \
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bne a3, zero, SYSCALL_ERROR_LABEL; \
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Lpseudo_end:
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#endif
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# define PUSHARGS_0 /* nothing to do */
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# define PUSHARGS_1 PUSHARGS_0 sw a0, 0(sp);
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# define PUSHARGS_2 PUSHARGS_1 sw a1, 4(sp);
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# define PUSHARGS_3 PUSHARGS_2 sw a2, 8(sp);
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# define PUSHARGS_4 PUSHARGS_3 sw a3, 12(sp);
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# define PUSHARGS_5 PUSHARGS_4 /* handeld by SAVESTK_## */
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# define PUSHARGS_6 PUSHARGS_5
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# define PUSHARGS_7 PUSHARGS_6
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# define POPARGS_0 /* nothing to do */
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# define POPARGS_1 POPARGS_0 lw a0, 0(sp);
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# define POPARGS_2 POPARGS_1 lw a1, 4(sp);
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# define POPARGS_3 POPARGS_2 lw a2, 8(sp);
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# define POPARGS_4 POPARGS_3 lw a3, 12(sp);
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# define POPARGS_5 POPARGS_4 /* args already in new stackframe */
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# define POPARGS_6 POPARGS_5
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# define POPARGS_7 POPARGS_6
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# define STKSPACE 48
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# define SAVESTK_0 subu sp, STKSPACE
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# define SAVESTK_1 SAVESTK_0
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# define SAVESTK_2 SAVESTK_1
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# define SAVESTK_3 SAVESTK_2
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# define SAVESTK_4 SAVESTK_3
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# define SAVESTK_5 lw t0, 16(sp); \
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subu sp, STKSPACE; \
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sw t0, 16(sp)
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# define SAVESTK_6 lw t0, 16(sp); \
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lw t1, 20(sp); \
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subu sp, STKSPACE; \
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sw t0, 16(sp); \
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sw t1, 20(sp)
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# define SAVESTK_7 lw t0, 16(sp); \
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lw t1, 20(sp); \
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lw t2, 24(sp); \
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subu sp, STKSPACE; \
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sw t0, 16(sp); \
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sw t1, 20(sp); \
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sw t2, 24(sp)
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# define RESTORESTK addu sp, STKSPACE
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# ifdef IS_IN_libpthread
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# define CENABLE la t9, __pthread_enable_asynccancel; jalr t9;
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# define CDISABLE la t9, __pthread_disable_asynccancel; jalr t9;
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# define __local_multiple_threads __pthread_multiple_threads
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# else
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# define CENABLE la t9, __libc_enable_asynccancel; jalr t9;
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# define CDISABLE la t9, __libc_disable_asynccancel; jalr t9;
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# define __local_multiple_threads __libc_multiple_threads
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# endif
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# if !defined NOT_IN_libc
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# define __local_multiple_threads __libc_multiple_threads
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# else
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# define __local_multiple_threads __pthread_multiple_threads
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# endif
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# ifndef __ASSEMBLER__
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extern int __local_multiple_threads attribute_hidden;
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# define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
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# else
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# define SINGLE_THREAD_P(reg) lw reg, __local_multiple_threads
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#endif
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#elif !defined __ASSEMBLER__
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/* This code should never be used but we define it anyhow. */
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# define SINGLE_THREAD_P (1)
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#endif
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