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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/* Copyright (C) 1994,97,2002 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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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define MOVE(x,y) mov x, y
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#define LOSE asm volatile ("call_pal 0") /* halt */
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#define START_MACHDEP \
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asm ("_start: mov $30, $16\n" /* Put initial SP in a0. */ \
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" br $27, 1f\n" /* Load GP from PC. */ \
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"1: ldgp $29, 0($27)\n" \
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" jmp $26, _start0"); /* Jump to _start0; don't return. */
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#define START_ARGS char **sparg
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#define SNARF_ARGS(argc, argv, envp) \
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(envp = &(argv = &sparg[1])[(argc = *(int *) sparg) + 1])
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#define CALL_WITH_SP(fn, sp) \
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({ register long int __fn = (long int) fn, __sp = (long int) sp; \
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asm volatile ("mov %0,$30; jmp $31, (%1); ldgp $29, 0(%1)" \
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: : "r" (__sp), "r" (__fn)); })
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#define STACK_GROWTH_DOWN
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#define RETURN_TO(sp, pc, retval) \
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asm volatile ("mov %0,$30; jmp $31, (%1); mov %2,$0" \
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: : "r" (sp), "r" (pc), "r" ((long int) (retval)));
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#define ALIGN 3
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#include <sysdeps/mach/sysdep.h>
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/* Alpha needs the .ent and .frame magic that the generic version lacks. */
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#undef ENTRY
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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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#include <mach/alpha/asm.h>
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#undef at
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#define at 28
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#define AT $28
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#define fp s6
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