76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* Copyright (C) 1992, 1995, 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Brendan Kehoe (brendan@zen.org).
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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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sysdeps/unix/sysdep.h>
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#ifdef ASSEMBLER
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#include <regdef.h>
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#define ENTRY(name) \
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.globl name; \
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.align 2; \
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.ent name,0; \
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name##:
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/* Note that while it's better structurally, going back to call syscall_error
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can make things confusing if you're debugging---it looks like it's jumping
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backwards into the previous fn. */
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#ifdef __PIC__
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#define PSEUDO(name, syscall_name, args) \
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.align 2; \
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99: la t9,syscall_error; \
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jr t9; \
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ENTRY(name) \
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.set noreorder; \
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.cpload t9; \
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li v0, SYS_##syscall_name; \
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syscall; \
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.set reorder; \
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bne a3, zero, 99b; \
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syse1:
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#else
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#define PSEUDO(name, syscall_name, args) \
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.set noreorder; \
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.align 2; \
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99: j syscall_error; \
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ENTRY(name) \
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.set noreorder; \
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li v0, SYS_##syscall_name; \
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syscall; \
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.set reorder; \
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bne a3, zero, 99b; \
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syse1:
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#endif
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#undef PSEUDO_END
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#define PSEUDO_END(sym) .end sym
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#define ret j ra ; nop
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#undef END
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#define END(sym) .end sym
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#define r0 v0
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#define r1 v1
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/* The mips move insn is d,s. */
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#define MOVE(x,y) move y , x
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#endif
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