mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/* Copyright 2001-2013 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Alexandre Oliva <aoliva@redhat.com>.
|
|
Based on ../i386/sysdep.h.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <sysdeps/generic/sysdep.h>
|
|
|
|
#ifdef __ASSEMBLER__
|
|
|
|
/* Syntactic details of assembler. */
|
|
|
|
#ifdef HAVE_ELF
|
|
/* For ELF we need the `.type' directive to make shared libs work right. */
|
|
#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
|
|
#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
|
|
|
|
/* In ELF C symbols are asm symbols. */
|
|
#undef NO_UNDERSCORES
|
|
#define NO_UNDERSCORES
|
|
#else
|
|
#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */
|
|
#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */
|
|
#endif
|
|
|
|
/* Define an entry point visible from C. */
|
|
#define ENTRY(name) \
|
|
ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
|
|
ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
|
|
C_LABEL(name) \
|
|
CALL_MCOUNT
|
|
|
|
#undef END
|
|
#define END(name) \
|
|
ASM_SIZE_DIRECTIVE(name) \
|
|
|
|
/* If compiled for profiling, call `mcount' at the start of each function. */
|
|
#ifdef PROF
|
|
/* The mcount code relies on a normal frame pointer being on the stack
|
|
to locate our caller, so push one just for its benefit. */
|
|
#define CALL_MCOUNT \
|
|
movm [a3],(sp); mov sp,a3; add -12,sp; \
|
|
call JUMPTARGET(mcount),[],0; add 12,sp; movm (sp),[a3];
|
|
#else
|
|
#define CALL_MCOUNT /* Do nothing. */
|
|
#endif
|
|
|
|
#ifdef NO_UNDERSCORES
|
|
/* Since C identifiers are not normally prefixed with an underscore
|
|
on this system, the asm identifier `syscall_error' intrudes on the
|
|
C name space. Make sure we use an innocuous name. */
|
|
#define syscall_error __syscall_error
|
|
#define mcount _mcount
|
|
#endif
|
|
|
|
#undef JUMPTARGET
|
|
#ifdef PIC
|
|
#define JUMPTARGET(name) name##@PLT
|
|
#else
|
|
#define JUMPTARGET(name) name
|
|
#endif
|
|
|
|
/* Local label name for asm code. */
|
|
#ifndef L
|
|
#define L(name) name
|
|
#endif
|
|
|
|
#endif /* __ASSEMBLER__ */
|