87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
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/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
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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
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdeps/unix/sysdep.h>
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#ifdef ASSEMBLER
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#ifdef __STDC__
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#define ENTRY(name) \
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.globl name; \
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.align 3; \
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.ent name,0; \
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name##: \
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.frame sp,0,ra
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#else
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#define ENTRY(name) \
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.globl name; \
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.align 3; \
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.ent name,0; \
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name/**/: \
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.frame sp,0,ra
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#endif
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/* Note that while it's better structurally, going back to set errno
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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 __STDC__
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#define PSEUDO(name, syscall_name, args) \
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.globl name; \
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.align 3; \
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.ent name,0; \
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\
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1: br gp,2f; \
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2: ldgp gp,0(gp); \
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lda pv,syscall_error; \
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jmp zero,(pv); \
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\
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name##: \
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ldi v0,SYS_ify(syscall_name); \
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.set noat; \
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call_pal PAL_callsys; \
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.set at; \
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bne a3,1b; \
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3:
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#else
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#define PSEUDO(name, syscall_name, args) \
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.globl name; \
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.align 3; \
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.ent name,0; \
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\
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1: br gp,2f; \
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2: ldgp gp,0(gp); \
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lda pv,syscall_error; \
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jmp zero,(pv); \
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\
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name/**/: \
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ldi v0,SYS_ify(syscall_name); \
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.set noat; \
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call_pal PAL_callsys; \
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.set at; \
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bne a3,1b; \
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3:
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#endif
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#define ret ret zero,(ra),1
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#define r0 v0
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#define r1 a4
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#define MOVE(x,y) mov x,y
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#endif
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