mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-12 14:20:13 +00:00
ef055a744e
* configure: Rebuilt. * sysdeps/mips/bits/endian.h: Make it bi-endian. * sysdeps/mips/mipsel/bits/endian.h: Removed. * sysdeps/mips/mips64/n32/el/bits/endian.h: Removed. * sysdeps/mips/mips64/n64/el/bits/endian.h: Removed. * sysdeps/mips/mips32/Makefile (CC): Add -mabi=32. * sysdeps/mips/mips64/n32/Makefile (CC): Add -mabi=n32. * sysdeps/mips/mips64/n64/Makefile (CC): Add -mabi=64. * sysdeps/mips/Implies: Moved wordsize-32 to... * sysdeps/mips/mips32/Implies: New file. * sysdeps/unix/mips/sysdep.h (PSEUDO_NOERRNO, PSEUDO_END_NOERRNO, ret_NOERRNO): New. (ret, PSEUDO_END): Moved past END. (PSEUDO): Moved to... * sysdeps/unix/mips/mips32/sysdep.h: New file. * sysdeps/unix/mips/mips64/n32/sysdep.h: Removed #undef PSEUDO. * sysdeps/unix/mips/mips64/n64/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/mips/sysdep.h: Move to... * sysdeps/unix/sysv/linux/mips/mips32/sysdep.h: New file. * sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h: New file.
283 lines
8.7 KiB
C
283 lines
8.7 KiB
C
/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _LINUX_MIPS_MIPS32_SYSDEP_H
|
|
#define _LINUX_MIPS_MIPS32_SYSDEP_H 1
|
|
|
|
/* There is some commonality. */
|
|
#include <sysdeps/unix/mips/mips32/sysdep.h>
|
|
|
|
/* For Linux we can use the system call table in the header file
|
|
/usr/include/asm/unistd.h
|
|
of the kernel. But these symbols do not follow the SYS_* syntax
|
|
so we have to redefine the `SYS_ify' macro here. */
|
|
#undef SYS_ify
|
|
#ifdef __STDC__
|
|
# define SYS_ify(syscall_name) __NR_##syscall_name
|
|
#else
|
|
# define SYS_ify(syscall_name) __NR_/**/syscall_name
|
|
#endif
|
|
|
|
#ifdef __ASSEMBLER__
|
|
|
|
/* We don't want the label for the error handler to be visible in the symbol
|
|
table when we define it here. */
|
|
#ifdef __PIC__
|
|
# define SYSCALL_ERROR_LABEL 99b
|
|
#endif
|
|
|
|
#else /* ! __ASSEMBLER__ */
|
|
|
|
/* Define a macro which expands into the inline wrapper code for a system
|
|
call. */
|
|
#undef INLINE_SYSCALL
|
|
#define INLINE_SYSCALL(name, nr, args...) \
|
|
({ INTERNAL_SYSCALL_DECL(err); \
|
|
long result_var = INTERNAL_SYSCALL (name, err, nr, args); \
|
|
if ( INTERNAL_SYSCALL_ERROR_P (result_var, err) ) \
|
|
{ \
|
|
__set_errno (INTERNAL_SYSCALL_ERRNO (result_var, err)); \
|
|
result_var = -1L; \
|
|
} \
|
|
result_var; })
|
|
|
|
#undef INTERNAL_SYSCALL_DECL
|
|
#define INTERNAL_SYSCALL_DECL(err) long err
|
|
|
|
#undef INTERNAL_SYSCALL_ERROR_P
|
|
#define INTERNAL_SYSCALL_ERROR_P(val, err) ((long) (err))
|
|
|
|
#undef INTERNAL_SYSCALL_ERRNO
|
|
#define INTERNAL_SYSCALL_ERRNO(val, err) (val)
|
|
|
|
#undef INTERNAL_SYSCALL
|
|
#define INTERNAL_SYSCALL(name, err, nr, args...) internal_syscall##nr(name, err, args)
|
|
|
|
#define internal_syscall0(name, err, dummy...) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a3 asm("$7"); \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"li\t$2, %2\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
".set reorder" \
|
|
: "=r" (__v0), "=r" (__a3) \
|
|
: "i" (SYS_ify(name)) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall1(name, err, arg1) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a3 asm("$7"); \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"li\t$2, %3\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
".set reorder" \
|
|
: "=r" (__v0), "=r" (__a3) \
|
|
: "r" (__a0), "i" (SYS_ify(name)) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall2(name, err, arg1, arg2) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a3 asm("$7"); \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"li\t$2, %4\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "=r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "i" (SYS_ify(name)) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall3(name, err, arg1, arg2, arg3) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a2 asm("$6") = (long) arg3; \
|
|
register long __a3 asm("$7"); \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"li\t$2, %5\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "=r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall4(name, err, arg1, arg2, arg3, arg4) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a2 asm("$6") = (long) arg3; \
|
|
register long __a3 asm("$7") = (long) arg4; \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"li\t$2, %5\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "+r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) \
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a2 asm("$6") = (long) arg3; \
|
|
register long __a3 asm("$7") = (long) arg4; \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"lw\t$2, %6\n\t" \
|
|
"subu\t$29, 32\n\t" \
|
|
"sw\t$2, 16($29)\n\t" \
|
|
"li\t$2, %5\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
"addiu\t$29, 32\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "+r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
|
|
"m" ((long)arg5) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall6(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a2 asm("$6") = (long) arg3; \
|
|
register long __a3 asm("$7") = (long) arg4; \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"lw\t$2, %6\n\t" \
|
|
"lw\t$8, %7\n\t" \
|
|
"subu\t$29, 32\n\t" \
|
|
"sw\t$2, 16($29)\n\t" \
|
|
"sw\t$8, 20($29)\n\t" \
|
|
"li\t$2, %5\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
"addiu\t$29, 32\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "+r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
|
|
"m" ((long)arg5), "m" ((long)arg6) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define internal_syscall7(name, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
|
|
({ \
|
|
long _sys_result; \
|
|
\
|
|
{ \
|
|
register long __v0 asm("$2"); \
|
|
register long __a0 asm("$4") = (long) arg1; \
|
|
register long __a1 asm("$5") = (long) arg2; \
|
|
register long __a2 asm("$6") = (long) arg3; \
|
|
register long __a3 asm("$7") = (long) arg4; \
|
|
__asm__ volatile ( \
|
|
".set\tnoreorder\n\t" \
|
|
"lw\t$2, %6\n\t" \
|
|
"lw\t$8, %7\n\t" \
|
|
"lw\t$9, %8\n\t" \
|
|
"subu\t$29, 32\n\t" \
|
|
"sw\t$2, 16($29)\n\t" \
|
|
"sw\t$8, 20($29)\n\t" \
|
|
"sw\t$9, 24($29)\n\t" \
|
|
"li\t$2, %5\t\t\t# " #name "\n\t" \
|
|
"syscall\n\t" \
|
|
"addiu\t$29, 32\n\t" \
|
|
".set\treorder" \
|
|
: "=r" (__v0), "+r" (__a3) \
|
|
: "r" (__a0), "r" (__a1), "r" (__a2), "i" (SYS_ify(name)), \
|
|
"m" ((long)arg5), "m" ((long)arg6), "m" ((long)arg7) \
|
|
: __SYSCALL_CLOBBERS); \
|
|
err = __a3; \
|
|
_sys_result = __v0; \
|
|
} \
|
|
_sys_result; \
|
|
})
|
|
|
|
#define __SYSCALL_CLOBBERS "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", "$24", "$25"
|
|
|
|
#endif /* __ASSEMBLER__ */
|
|
|
|
#endif /* linux/mips/mips32/sysdep.h */
|