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(INTERNAL_SYSCALL_NCS): New. 

(INTERNAL_SYSCALL, internal_syscall0, internal_syscall1,
	internal_syscall2, internal_syscall3, internal_syscall4,
	internal_syscall5, internal_syscall6, internal_syscall7): Update
	for non-constant support.
This commit is contained in:
Andreas Jaeger 2005-03-28 09:17:26 +00:00
parent 08650996ea
commit e1ae85a58e
1 changed files with 150 additions and 135 deletions
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285
sysdeps/unix/sysv/linux/mips/mips32/sysdep.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 2000, 2002, 2003, 2004, 2005 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
@ -48,12 +48,12 @@
#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; \
} \
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
@ -66,203 +66,218 @@
#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_SYSCALL(name, err, nr, args...) \
internal_syscall##nr (, "li\t$2, %2\t\t\t# " #name "\n\t", \
"i" (SYS_ify (name)), err, args)
#define internal_syscall0(name, err, dummy...) \
({ \
#undef INTERNAL_SYSCALL_NCS
#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
internal_syscall##nr (= number, , "r" (__v0), err, args)
#define internal_syscall0(ncs_init, cs_init, input, 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); \
register long __v0 asm("$2") ncs_init; \
register long __a3 asm("$7"); \
__asm__ volatile ( \
".set\tnoreorder\n\t" \
cs_init \
"syscall\n\t" \
".set reorder" \
: "=r" (__v0), "=r" (__a3) \
: input \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall1(name, err, arg1) \
({ \
#define internal_syscall1(ncs_init, cs_init, input, 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); \
register long __v0 asm("$2") ncs_init; \
register long __a0 asm("$4") = (long) arg1; \
register long __a3 asm("$7"); \
__asm__ volatile ( \
".set\tnoreorder\n\t" \
cs_init \
"syscall\n\t" \
".set reorder" \
: "=r" (__v0), "=r" (__a3) \
: input, "r" (__a0) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall2(name, err, arg1, arg2) \
({ \
#define internal_syscall2(ncs_init, cs_init, input, 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); \
register long __v0 asm("$2") ncs_init; \
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" \
cs_init \
"syscall\n\t" \
".set\treorder" \
: "=r" (__v0), "=r" (__a3) \
: input, "r" (__a0), "r" (__a1) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall3(name, err, arg1, arg2, arg3) \
({ \
#define internal_syscall3(ncs_init, cs_init, input, 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); \
register long __v0 asm("$2") ncs_init; \
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" \
cs_init \
"syscall\n\t" \
".set\treorder" \
: "=r" (__v0), "=r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall4(name, err, arg1, arg2, arg3, arg4) \
({ \
#define internal_syscall4(ncs_init, cs_init, input, 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); \
register long __v0 asm("$2") ncs_init; \
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" \
cs_init \
"syscall\n\t" \
".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) \
({ \
/* We need to use a frame pointer for the functions in which we
adjust $sp around the syscall, or debug information and unwind
information will be $sp relative and thus wrong during the syscall. As
of GCC 3.4.3, this is sufficient. */
#define FORCE_FRAME_POINTER alloca (4)
#define internal_syscall5(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5)\
({ \
long _sys_result; \
\
FORCE_FRAME_POINTER; \
{ \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 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)), \
"r" ((long)arg5) \
: __SYSCALL_CLOBBERS); \
register long __v0 asm("$2") ncs_init; \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
cs_init \
"syscall\n\t" \
"addiu\t$29, 32\n\t" \
".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
"r" ((long)arg5) \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall6(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
({ \
#define internal_syscall6(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6)\
({ \
long _sys_result; \
\
FORCE_FRAME_POINTER; \
{ \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 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)), \
register long __v0 asm("$2") ncs_init; \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 20($29)\n\t" \
cs_init \
"syscall\n\t" \
"addiu\t$29, 32\n\t" \
".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
"r" ((long)arg5), "r" ((long)arg6) \
: __SYSCALL_CLOBBERS); \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \
_sys_result; \
})
#define internal_syscall7(name, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
({ \
#define internal_syscall7(ncs_init, cs_init, input, err, arg1, arg2, arg3, arg4, arg5, arg6, arg7)\
({ \
long _sys_result; \
\
FORCE_FRAME_POINTER; \
{ \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 20($29)\n\t" \
"sw\t%8, 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)), \
register long __v0 asm("$2") ncs_init; \
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" \
"subu\t$29, 32\n\t" \
"sw\t%6, 16($29)\n\t" \
"sw\t%7, 20($29)\n\t" \
"sw\t%8, 24($29)\n\t" \
cs_init \
"syscall\n\t" \
"addiu\t$29, 32\n\t" \
".set\treorder" \
: "=r" (__v0), "+r" (__a3) \
: input, "r" (__a0), "r" (__a1), "r" (__a2), \
"r" ((long)arg5), "r" ((long)arg6), "r" ((long)arg7) \
: __SYSCALL_CLOBBERS); \
: __SYSCALL_CLOBBERS); \
err = __a3; \
_sys_result = __v0; \
} \