glibc/sysdeps/unix/mips/sysdep.h

85 lines
2.1 KiB
C

/* Copyright (C) 1992-2023 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 <sgidefs.h>
#include <sysdeps/unix/sysdep.h>
#ifndef __mips_isa_rev
# define __mips_isa_rev 0
#endif
#ifdef __ASSEMBLER__
#include <regdef.h>
#define ENTRY(name) \
.globl name; \
.align 2; \
.ent name,0; \
name##: \
cfi_startproc;
#undef END
#define END(function) \
cfi_endproc; \
.end function; \
.size function,.-function
#define ret j ra ; nop
#undef PSEUDO_END
#define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
#define PSEUDO_NOERRNO(name, syscall_name, args) \
.align 2; \
ENTRY(name) \
.set nomips16; \
.set noreorder; \
li v0, SYS_ify(syscall_name); \
syscall
#undef PSEUDO_END_NOERRNO
#define PSEUDO_END_NOERRNO(sym) cfi_endproc; .end sym; .size sym,.-sym
#define ret_NOERRNO ret
#define PSEUDO_ERRVAL(name, syscall_name, args) \
.align 2; \
ENTRY(name) \
.set nomips16; \
.set noreorder; \
li v0, SYS_ify(syscall_name); \
syscall
#undef PSEUDO_END_ERRVAL
#define PSEUDO_END_ERRVAL(sym) cfi_endproc; .end sym; .size sym,.-sym
#define ret_ERRVAL ret
#define r0 v0
#define r1 v1
/* The mips move insn is d,s. */
#define MOVE(x,y) move y , x
#if _MIPS_SIM == _ABIO32
# define L(label) $L ## label
#else
# define L(label) .L ## label
#endif
#endif