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/* Copyright (C) 1992, 1995, 1996, 2000, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdeps/unix/sysdep.h>
#ifdef __ASSEMBLER__
#ifdef __linux__
# include <alpha/regdef.h>
#else
# include <regdef.h>
#endif
#include <tls.h> /* Defines USE___THREAD. */
#ifdef IS_IN_rtld
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
#endif
#ifdef __STDC__
#define __LABEL(x) x##:
#else
#define __LABEL(x) x/**/:
#endif
#define LEAF(name, framesize) \
.globl name; \
.align 3; \
.ent name, 0; \
__LABEL(name) \
.frame sp, framesize, ra
#define ENTRY(name) \
.globl name; \
.align 3; \
.ent name, 0; \
__LABEL(name) \
.frame sp, 0, ra
/* Mark the end of function SYM. */
#undef END
#define END(sym) .end sym
/* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a
label of that number between those two macros! */
#ifdef PROF
# define PSEUDO_PROLOGUE \
.frame sp, 0, ra; \
ldgp gp,0(pv); \
.set noat; \
lda AT,_mcount; \
jsr AT,(AT),_mcount; \
.set at; \
.prologue 1
# define PSEUDO_LOADGP
#else
# define PSEUDO_PROLOGUE \
.frame sp, 0, ra; \
.prologue 0
# define PSEUDO_LOADGP \
br gp, 2f; \
2: ldgp gp, 0(gp)
#endif /* PROF */
#if RTLD_PRIVATE_ERRNO
# define SYSCALL_ERROR_HANDLER \
stl v0, errno(gp) !gprel; \
lda v0, -1; \
ret
#else
# define SYSCALL_ERROR_HANDLER \
jmp $31, __syscall_error
#endif /* RTLD_PRIVATE_ERRNO */
#if defined(PIC) && !RTLD_PRIVATE_ERRNO
# define PSEUDO(name, syscall_name, args) \
.globl name; \
.align 4; \
.ent name,0; \
__LABEL(name) \
PSEUDO_PROLOGUE; \
PSEUDO_PREPARE_ARGS \
lda v0, SYS_ify(syscall_name); \
call_pal PAL_callsys; \
bne a3, __syscall_error !samegp; \
3:
# undef PSEUDO_END
# define PSEUDO_END(sym) END(sym)
#else
# define PSEUDO(name, syscall_name, args) \
.globl name; \
.align 4; \
.ent name,0; \
__LABEL(name) \
PSEUDO_PREPARE_ARGS \
lda v0, SYS_ify(syscall_name); \
call_pal PAL_callsys; \
bne a3, 1996f; \
3:
# undef PSEUDO_END
# define PSEUDO_END(sym) \
1996: \
PSEUDO_LOADGP; \
SYSCALL_ERROR_HANDLER; \
END(sym)
#endif /* PIC && !RTLD_PRIVATE_ERRNO */
#undef PSEUDO_PREPARE_ARGS
#define PSEUDO_PREPARE_ARGS /* Nothing. */
#define r0 v0
#define r1 a4
#define MOVE(x,y) mov x,y
#endif /* ASSEMBLER */
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