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* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Remove
"#if 0" surrounding most of contents. (SYSCALL_ERROR_LABEL): Define. (__SYSCALL_CLOBBERS): Add $10. (internal_syscall7): Remove. * sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise.
This commit is contained in:
Roland McGrath
parent
4106a40380
commit
d057b5e76c
@ -1,3 +1,12 @@
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2003-09-10 Chris Demetriou <cgd@broadcom.com>
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* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h: Remove
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"#if 0" surrounding most of contents.
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(SYSCALL_ERROR_LABEL): Define.
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(__SYSCALL_CLOBBERS): Add $10.
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(internal_syscall7): Remove.
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* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h: Likewise.
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2003-09-30 Ulrich Drepper <drepper@redhat.com>
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* elf/rtld.c (dl_main): Also set l_map_start.
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146
linuxthreads/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
Normal file
146
linuxthreads/sysdeps/unix/sysv/linux/mips/mips64/sysdep-cancel.h
Normal file
@ -0,0 +1,146 @@
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/* system call stubs with cancellation handling. Linux/MIPS version.
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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 Chris Demetriou of Broadcom Corporation,
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based on work by Guido Guenther <agx@sigxcpu.org>.
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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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#include <sys/asm.h>
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#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
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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: \
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PTR_LA t9,__syscall_error; \
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/* manual cpreturn. */ \
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REG_L gp, STKOFF_GP(sp); \
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RESTORESTK ; \
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jr t9; \
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ENTRY (name) \
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SAVESTK ; \
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.cpsetup t9, STKOFF_GP, name ; \
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.set reorder; \
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SINGLE_THREAD_P(t0); \
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bne zero, t0, L(pseudo_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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/* manual cpreturn. */ \
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REG_L gp, STKOFF_GP(sp); \
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RESTORESTK ; \
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ret; \
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L(pseudo_cancel): \
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REG_S ra, STKOFF_RA(sp); \
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PUSHARGS_##args; /* save syscall args */ \
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CENABLE; \
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REG_S v0, STKOFF_SVMSK(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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REG_S v0, STKOFF_SC_V0(sp); /* save syscall result */ \
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REG_S a3, STKOFF_SC_ERR(sp); /* save syscall error flag */ \
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REG_L a0, STKOFF_SVMSK(sp); /* pass mask as arg1 */ \
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CDISABLE; \
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REG_L a3, STKOFF_SC_ERR(sp); /* restore syscall error flag */ \
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REG_L ra, STKOFF_RA(sp); /* restore return address */ \
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REG_L v0, STKOFF_SC_V0(sp); /* restore syscall result */ \
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bne a3, zero, SYSCALL_ERROR_LABEL; \
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/* manual cpreturn. */ \
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REG_L gp, STKOFF_GP(sp); \
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RESTORESTK ; \
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L(pseudo_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 REG_S a0, STKOFF_A0(sp);
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# define PUSHARGS_2 PUSHARGS_1 REG_S a1, STKOFF_A1(sp);
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# define PUSHARGS_3 PUSHARGS_2 REG_S a2, STKOFF_A2(sp);
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# define PUSHARGS_4 PUSHARGS_3 REG_S a3, STKOFF_A3(sp);
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# define PUSHARGS_5 PUSHARGS_4 REG_S a4, STKOFF_A4(sp);
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# define PUSHARGS_6 PUSHARGS_5 REG_S a5, STKOFF_A5(sp);
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# define POPARGS_0 /* nothing to do */
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# define POPARGS_1 POPARGS_0 REG_L a0, STKOFF_A0(sp);
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# define POPARGS_2 POPARGS_1 REG_L a1, STKOFF_A1(sp);
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# define POPARGS_3 POPARGS_2 REG_L a2, STKOFF_A2(sp);
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# define POPARGS_4 POPARGS_3 REG_L a3, STKOFF_A3(sp);
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# define POPARGS_5 POPARGS_4 REG_L a4, STKOFF_A4(sp);
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# define POPARGS_6 POPARGS_5 REG_L a5, STKOFF_A5(sp);
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/* Save an even number of slots. Should be 0 if an even number of slots
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are used below, or SZREG if an odd number are used. */
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# define STK_PAD SZREG
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/* Place values that we are more likely to use later in this sequence, i.e.
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closer to the SP at function entry. If you do that, the are more
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likely to already be in your d-cache. */
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# define STKOFF_A5 (STK_PAD)
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# define STKOFF_A4 (STKOFF_A5 + SZREG)
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# define STKOFF_A3 (STKOFF_A4 + SZREG)
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# define STKOFF_A2 (STKOFF_A3 + SZREG) /* MT and more args. */
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# define STKOFF_A1 (STKOFF_A2 + SZREG) /* MT and 2 args. */
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# define STKOFF_A0 (STKOFF_A1 + SZREG) /* MT and 1 arg. */
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# define STKOFF_RA (STKOFF_A0 + SZREG) /* Used if MT. */
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# define STKOFF_SC_V0 (STKOFF_RA + SZREG) /* Used if MT. */
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# define STKOFF_SC_ERR (STKOFF_SC_V0 + SZREG) /* Used if MT. */
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# define STKOFF_SVMSK (STKOFF_SC_ERR + SZREG) /* Used if MT. */
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# define STKOFF_GP (STKOFF_SVMSK + SZREG) /* Always used. */
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# define STKSPACE (STKOFF_GP + SZREG)
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# define SAVESTK PTR_SUBU sp, STKSPACE
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# define RESTORESTK PTR_ADDU sp, STKSPACE
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# ifdef IS_IN_libpthread
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# define CENABLE PTR_LA t9, __pthread_enable_asynccancel; jalr t9;
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# define CDISABLE PTR_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 PTR_LA t9, __libc_enable_asynccancel; jalr t9;
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# define CDISABLE PTR_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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@ -33,9 +33,16 @@
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# define SYS_ify(syscall_name) __NR_N32_/**/syscall_name
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#endif
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#ifdef __ASSEMBLER__
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/* We don't want the label for the error handler to be visible in the symbol
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table when we define it here. */
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#ifdef __PIC__
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# define SYSCALL_ERROR_LABEL 99b
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#endif
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#else /* ! __ASSEMBLER__ */
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#ifndef __ASSEMBLER__
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#if 0 /* untested */
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/* Define a macro which expands into the inline wrapper code for a system
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call. */
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#undef INLINE_SYSCALL
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@ -228,36 +235,7 @@
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_sys_result; \
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})
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#define internal_syscall7(name, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
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({ \
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long _sys_result; \
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\
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{ \
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register long long __v0 asm("$2"); \
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register long long __a0 asm("$4") = (long long) arg1; \
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register long long __a1 asm("$5") = (long long) arg2; \
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register long long __a2 asm("$6") = (long long) arg3; \
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register long long __a3 asm("$7") = (long long) arg4; \
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register long long __a4 asm("$8") = (long long) arg5; \
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register long long __a5 asm("$9") = (long long) arg6; \
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register long long __a6 asm("$10") = (long long) arg7; \
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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"li\t$2, %5\t\t\t# " #name "\n\t" \
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"syscall\n\t" \
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".set\treorder" \
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: "=r" (__v0), "+r" (__a3) \
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: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
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"r" (__a4), "r" (__a5), "r" (__a6) \
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: __SYSCALL_CLOBBERS); \
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err = __a3; \
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_sys_result = __v0; \
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} \
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_sys_result; \
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})
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#define __SYSCALL_CLOBBERS "$1", "$3", "$11", "$12", "$13", "$14", "$15", "$24", "$25"
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#endif /* untested */
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#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", "$14", "$15", "$24", "$25"
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#endif /* __ASSEMBLER__ */
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#endif /* linux/mips/sysdep.h */
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@ -33,9 +33,16 @@
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# define SYS_ify(syscall_name) __NR_N64_/**/syscall_name
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#endif
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#ifdef __ASSEMBLER__
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/* We don't want the label for the error handler to be visible in the symbol
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table when we define it here. */
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#ifdef __PIC__
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# define SYSCALL_ERROR_LABEL 99b
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#endif
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#else /* ! __ASSEMBLER__ */
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#ifndef __ASSEMBLER__
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#if 0 /* untested */
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/* Define a macro which expands into the inline wrapper code for a system
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call. */
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#undef INLINE_SYSCALL
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@ -228,36 +235,7 @@
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_sys_result; \
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})
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#define internal_syscall7(name, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
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({ \
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long _sys_result; \
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\
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{ \
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register long __v0 asm("$2"); \
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register long __a0 asm("$4") = (long) arg1; \
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register long __a1 asm("$5") = (long) arg2; \
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register long __a2 asm("$6") = (long) arg3; \
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register long __a3 asm("$7") = (long) arg4; \
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register long __a4 asm("$8") = (long) arg5; \
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register long __a5 asm("$9") = (long) arg6; \
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register long __a6 asm("$10") = (long) arg7; \
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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"li\t$2, %5\t\t\t# " #name "\n\t" \
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"syscall\n\t" \
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".set\treorder" \
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: "=r" (__v0), "+r" (__a3) \
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: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
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"r" (__a4), "r" (__a5), "r" (__a6) \
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: __SYSCALL_CLOBBERS); \
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err = __a3; \
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_sys_result = __v0; \
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} \
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_sys_result; \
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})
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#define __SYSCALL_CLOBBERS "$1", "$3", "$11", "$12", "$13", "$14", "$15", "$24", "$25"
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#endif /* untested */
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#define __SYSCALL_CLOBBERS "$1", "$3", "$10", "$11", "$12", "$13", "$14", "$15", "$24", "$25"
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#endif /* __ASSEMBLER__ */
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#endif /* linux/mips/sysdep.h */
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