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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
parent
08650996ea
commit
e1ae85a58e
@ -1,4 +1,4 @@
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/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
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/* 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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@ -48,12 +48,12 @@
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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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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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@ -66,203 +66,218 @@
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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_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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#define internal_syscall0(name, err, dummy...) \
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({ \
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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"); \
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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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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(name, err, arg1) \
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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"); \
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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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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(name, err, arg1, arg2) \
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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"); \
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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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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(name, err, arg1, arg2, arg3) \
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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"); \
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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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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(name, err, arg1, arg2, arg3, arg4) \
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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"); \
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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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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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#define internal_syscall5(name, err, arg1, arg2, arg3, arg4, arg5) \
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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"); \
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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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"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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"r" ((long)arg5) \
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: __SYSCALL_CLOBBERS); \
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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(name, err, arg1, arg2, arg3, arg4, arg5, arg6)\
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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"); \
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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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"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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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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: __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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#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"); \
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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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"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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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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: __SYSCALL_CLOBBERS); \
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err = __a3; \
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_sys_result = __v0; \
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} \
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