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f850220be6
* sysdeps/mips/atomicity.h: Remove unused file. * sysdeps/mips/dl-machine.h (elf_machine_rel): Add TLS relocations. * sysdeps/mips/dl-tls.h: New file. * sysdeps/mips/libc-tls.c: New file. * sysdeps/mips/tls-macros.h: New file. * sysdeps/mips/bits/atomic.h: New file. * sysdeps/mips/bits/setjmp.h: Protect against multiple inclusion. * sysdeps/mips/elf/configure.in: New file. * sysdeps/mips/elf/configure: Generated. * sysdeps/mips/sys/asm.h: New file. * sysdeps/unix/sysv/linux/mips/vfork.S: New file. * sysdeps/unix/sysv/linux/mips/clone.S: Add NPTL and five-argument clone support. * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h (INTERNAL_SYSCALL_NCS): New. (INTERNAL_SYSCALL): Update for non-constant support. (internal_syscall0): Likewise. (internal_syscall1): Likewise. (internal_syscall2): Likewise. (internal_syscall3): Likewise. (internal_syscall4): Likewise. (internal_syscall5): Likewise. (internal_syscall6): Likewise. (internal_syscall7): Likewise. * sysdeps/unix/sysv/linux/mips/bits/siginfo.h (SIGEV_THREAD): Update to match the kernel. (SIGEV_CALLBACK): Likewise. (SIGEV_THREAD_ID): Likewise. 2005-03-28 Daniel Jacobowitz <dan@codesourcery.com>
293 lines
8.8 KiB
C
293 lines
8.8 KiB
C
/* Copyright (C) 2000, 2002, 2003, 2004, 2005 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_MIPS32_SYSDEP_H
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#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
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/* There is some commonality. */
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#include <sysdeps/unix/mips/mips32/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...) \
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internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
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"i" (SYS_ify (name)), err, args)
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#undef INTERNAL_SYSCALL_NCS
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#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
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internal_syscall##nr (= number, , "r" (__v0), err, args)
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#define internal_syscall0(ncs_init, cs_init, input, 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") ncs_init; \
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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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cs_init \
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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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: input \
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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(ncs_init, cs_init, input, 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") ncs_init; \
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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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cs_init \
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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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: input, "r" (__a0) \
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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(ncs_init, cs_init, input, 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") ncs_init; \
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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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cs_init \
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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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: input, "r" (__a0), "r" (__a1) \
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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(ncs_init, cs_init, input, 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") ncs_init; \
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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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cs_init \
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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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: input, "r" (__a0), "r" (__a1), "r" (__a2) \
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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(ncs_init, cs_init, input, 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") ncs_init; \
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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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cs_init \
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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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: input, "r" (__a0), "r" (__a1), "r" (__a2) \
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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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/* We need to use a frame pointer for the functions in which we
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adjust $sp around the syscall, or debug information and unwind
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information will be $sp relative and thus wrong during the syscall. As
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of GCC 3.4.3, this is sufficient. */
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#define FORCE_FRAME_POINTER alloca (4)
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#define internal_syscall5(ncs_init, cs_init, input, 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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FORCE_FRAME_POINTER; \
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{ \
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register long __v0 asm("$2") ncs_init; \
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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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"subu\t$29, 32\n\t" \
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"sw\t%6, 16($29)\n\t" \
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cs_init \
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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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: input, "r" (__a0), "r" (__a1), "r" (__a2), \
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"r" ((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(ncs_init, cs_init, input, 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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FORCE_FRAME_POINTER; \
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{ \
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register long __v0 asm("$2") ncs_init; \
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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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"subu\t$29, 32\n\t" \
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"sw\t%6, 16($29)\n\t" \
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"sw\t%7, 20($29)\n\t" \
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cs_init \
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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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: input, "r" (__a0), "r" (__a1), "r" (__a2), \
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"r" ((long)arg5), "r" ((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(ncs_init, cs_init, input, 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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FORCE_FRAME_POINTER; \
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{ \
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register long __v0 asm("$2") ncs_init; \
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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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"subu\t$29, 32\n\t" \
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"sw\t%6, 16($29)\n\t" \
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"sw\t%7, 20($29)\n\t" \
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"sw\t%8, 24($29)\n\t" \
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cs_init \
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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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: input, "r" (__a0), "r" (__a1), "r" (__a2), \
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"r" ((long)arg5), "r" ((long)arg6), "r" ((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", \
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"$14", "$15", "$24", "$25", "memory"
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#endif /* __ASSEMBLER__ */
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#endif /* linux/mips/mips32/sysdep.h */
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