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/* Copyright (C) 1997-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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, see
<https://www.gnu.org/licenses/>. */
#include <sysdeps/generic/sysdep.h>
#ifdef __ASSEMBLER__
/* Syntactic details of assembler. */
# define ALIGNARG(log2) log2
# define ASM_SIZE_DIRECTIVE(name) .size name,.-name
/* Define an entry point visible from C. */
# define ENTRY(name) \
.globl C_SYMBOL_NAME(name); \
.type C_SYMBOL_NAME(name),@function; \
.align ALIGNARG(2); \
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 \
addik r1,r1,-4; \
swi r15,r1,0; \
brlid r15,JUMPTARGET(mcount); \
nop; \
lwi r15,r1,0; \
addik r1,r1,4;
# else
# define CALL_MCOUNT /* Do nothing. */
# endif
/* 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
# define PSEUDO(name, syscall_name, args) \
.globl syscall_error; \
ENTRY (name) \
DO_CALL (syscall_name, args);
# define ret \
rtsd r15,8; nop;
# undef PSEUDO_END
# define PSEUDO_END(name) \
END (name)
# undef JUMPTARGET
# ifdef PIC
# define JUMPTARGET(name) name##@PLTPC
# else
# define JUMPTARGET(name) name
# endif
/* Local label name for asm code. */
# ifndef L
# define L(name) $L##name
# endif
# endif /* __ASSEMBLER__ */
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