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/* Copyright (C) 1992-2018 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdeps/unix/mips/sysdep.h>
/* Note that while it's better structurally, going back to call __syscall_error
can make things confusing if you're debugging---it looks like it's jumping
backwards into the previous fn. */
#ifdef __PIC__
#define PSEUDO(name, syscall_name, args) \
.align 2; \
.set nomips16; \
cfi_startproc; \
99: la t9,__syscall_error; \
jr t9; \
cfi_endproc; \
ENTRY(name) \
.set noreorder; \
.cpload t9; \
li v0, SYS_ify(syscall_name); \
syscall; \
.set reorder; \
bne a3, zero, 99b; \
L(syse1):
#else
#define PSEUDO(name, syscall_name, args) \
.set noreorder; \
.set nomips16; \
.align 2; \
cfi_startproc; \
99: j __syscall_error; \
nop; \
cfi_endproc; \
ENTRY(name) \
.set noreorder; \
li v0, SYS_ify(syscall_name); \
syscall; \
.set reorder; \
bne a3, zero, 99b; \
L(syse1):
#endif
/* Make a "sibling call" to DEST -- that is, transfer control to DEST
as-if it had been the function called by the caller of this function.
DEST is likely to be defined in a different shared object. Only
ever used immediately after ENTRY. Must not touch the stack at
all, and must preserve all argument and call-saved registers. */
#ifdef __PIC__
#define SIBCALL(dest) \
.set nomips16; \
.set noreorder; \
.cpload $25; \
.set nomacro; \
lw $25, %call16(dest)($28); \
nop; \
.reloc 1f, R_MIPS_JALR, dest; \
1: jr $25; \
nop
#else
#define SIBCALL(dest) \
.set nomips16; \
.set noreorder; \
.set nomacro; \
j dest; \
nop
#endif
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