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2003-01-26 Andreas Schwab <schwab@suse.de> * sysdeps/wordsize-32/divdi3.c: Export the functions only as compatibility symbols. Remove INTDEF for __divdi3. * sysdeps/wordsize-32/lldiv.c: Don't use __divdi3_internal. * sysdeps/powerpc/powerpc32/divdi3.c: Remove. * sysdeps/powerpc/powerpc32/Makefile (CPPFLAGS-divdi3.c): Don't define. * sysdeps/powerpc/powerpc32/Dist: Remove divdi3.c. 2003-01-24 Jakub Jelinek <jakub@redhat.com> * elf/tls-macros.h: Add SPARC 32-bit definitions. * sysdeps/sparc/sparc32/elf/configure.in: Add TLS check. * sysdeps/sparc/sparc32/dl-machine.h: Add dl_machine_h guards for the first half of the header. Include tls.h. (elf_machine_type_class): Return ELF_RTYPE_CLASS_PLT for TLS relocs too. (elf_machine_rela): Handle TLS relocs. * sysdeps/sparc/dl-tls.h: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/socket.S: Add cancellation support. * sysdeps/sparc/sparc32/sparcv9/hp-timing.h: Use %g6 instead of %g7. * sysdeps/sparc/sparc32/memchr.S: Likewise. * sysdeps/sparc/sparc32/memcpy.S: Likewise. * sysdeps/sparc/sparc32/strcat.S: Likewise. * sysdeps/sparc/sparc32/strchr.S: Likewise. * sysdeps/sparc/sparc32/strcmp.S: Likewise. * sysdeps/sparc/sparc32/strcpy.S: Likewise. * sysdeps/sparc/sparc64/sparcv9b/memcpy.S: Likewise. * sysdeps/sparc/sparc64/hp-timing.h: Likewise. * sysdeps/sparc/sparc64/memcpy.S: Likewise. * sysdeps/sparc/sparc64/stpcpy.S: Likewise. * sysdeps/sparc/sparc64/stpncpy.S: Likewise. * sysdeps/sparc/sparc64/strcat.S: Likewise. * sysdeps/sparc/sparc64/strchr.S: Likewise. * sysdeps/sparc/sparc64/strcmp.S: Likewise. * sysdeps/sparc/sparc64/strcpy.S: Likewise. * sysdeps/sparc/sparc64/strncmp.S: Likewise. * sysdeps/sparc/sparc64/strncpy.S: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise. 2003-01-24 Andreas Schwab <schwab@suse.de> * elf/dl-close.c (_dl_close): Don't relocate DT_FINI_ARRAY elements, and process them backwards. * elf/Makefile ($(objpfx)tst-array4): New target. ($(objpfx)tst-array4.out): Likewise. (tests) [$(have-initfini-array) = yes]: Add tst-array4. * elf/tst-array4.c: New file. * elf/tst-array4.exp: Likewise. 2003-01-24 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c: New file. 2003-01-27 Guido Guenther <agx@sigxcpu.org> * sysdeps/unix/sysv/linux/mips/sysdep.h (SYSCALL_ERROR_LABEL): Define. * sysdeps/unix/sysv/linux/mips/pread.c: Add support for cancellation handling and handle both __NR_pread64 and __NR_pread. * sysdeps/unix/sysv/linux/mips/pread64.c: Likewise. * sysdeps/unix/sysv/linux/mips/pwrite.c: Add support for cancellation handling and handle both __NR_pwrite64 and __NR_pwrite. * sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise. * sysdeps/unix/mips/sysdep.S: Don't set errno in the _LIBC_REENTRANT case, use register names consistently. 2003-01-27 Wolfram Gloger <wg@malloc.de> * malloc/hooks.c (mem2chunk_check): Check alignment of mem pointer, not of the computed chunk. Bug report from Carlos O'Donell <carlos@baldric.uwo.ca>.
283 lines
8.6 KiB
C
283 lines
8.6 KiB
C
/* Copyright (C) 2000 Free Software Foundation, Inc.
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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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#ifndef _LINUX_MIPS_SYSDEP_H
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#define _LINUX_MIPS_SYSDEP_H 1
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/* There is some commonality. */
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#include <sysdeps/unix/mips/sysdep.h>
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/* For Linux we can use the system call table in the header file
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/usr/include/asm/unistd.h
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of the kernel. But these symbols do not follow the SYS_* syntax
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so we have to redefine the `SYS_ify' macro here. */
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#undef SYS_ify
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#ifdef __STDC__
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# define SYS_ify(syscall_name) __NR_##syscall_name
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#else
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# define SYS_ify(syscall_name) __NR_/**/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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/* 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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#define INLINE_SYSCALL(name, nr, args...) \
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({ INTERNAL_SYSCALL_DECL(err); \
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long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
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if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
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{ \
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__set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
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result_var = -1L; \
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} \
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result_var; })
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#undef INTERNAL_SYSCALL_DECL
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#define INTERNAL_SYSCALL_DECL(err) long err
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#undef INTERNAL_SYSCALL_ERROR_P
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#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
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#undef INTERNAL_SYSCALL_ERRNO
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#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
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#undef INTERNAL_SYSCALL
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#define INTERNAL_SYSCALL(name, err, nr, args...) internal_syscall##nr(name, err, args)
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#define internal_syscall0(name, err, dummy...) \
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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 __a3 asm("$7"); \
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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"li\t$2, %2\t\t\t# " #name "\n\t" \
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"syscall\n\t" \
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".set reorder" \
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: "=r" (__v0), "=r" (__a3) \
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: "i" (SYS_ify(name)) \
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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 internal_syscall1(name, err, arg1) \
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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 __a3 asm("$7"); \
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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"li\t$2, %3\t\t\t# " #name "\n\t" \
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"syscall\n\t" \
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".set reorder" \
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: "=r" (__v0), "=r" (__a3) \
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: "r" (__a0), "i" (SYS_ify(name)) \
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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 internal_syscall2(name, err, arg1, arg2) \
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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 __a3 asm("$7"); \
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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"li\t$2, %4\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), "i" (SYS_ify(name)) \
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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 internal_syscall3(name, err, arg1, arg2, arg3) \
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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"); \
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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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: __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 internal_syscall4(name, err, arg1, arg2, arg3, arg4) \
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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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__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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: __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 internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) \
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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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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"lw\t$2, %6\n\t" \
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"subu\t$29, 32\n\t" \
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"sw\t$2, 16($29)\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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"addiu\t$29, 32\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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"m" ((long)arg5) \
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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 internal_syscall6(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
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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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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"lw\t$2, %6\n\t" \
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"lw\t$8, %7\n\t" \
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"subu\t$29, 32\n\t" \
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"sw\t$2, 16($29)\n\t" \
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"sw\t$8, 20($29)\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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"addiu\t$29, 32\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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"m" ((long)arg5), "m" ((long)arg6) \
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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 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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__asm__ volatile ( \
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".set\tnoreorder\n\t" \
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"lw\t$2, %6\n\t" \
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"lw\t$8, %7\n\t" \
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"lw\t$9, %8\n\t" \
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"subu\t$29, 32\n\t" \
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"sw\t$2, 16($29)\n\t" \
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"sw\t$8, 20($29)\n\t" \
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"sw\t$9, 24($29)\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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"addiu\t$29, 32\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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"m" ((long)arg5), "m" ((long)arg6), "m" ((long)arg7) \
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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", "$8", "$9", "$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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