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 1/* Copyright (C) 1992-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library.  If not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#include <sgidefs.h>
19#include <sysdeps/unix/sysdep.h>
20
21#ifndef __mips_isa_rev
22# define __mips_isa_rev 0
23#endif
24
25#ifdef __ASSEMBLER__
26
27#include <regdef.h>
28
29#define ENTRY(name) \
30  .globl name;								      \
31  .align 2;								      \
32  .ent name,0;								      \
33  name##:								      \
34  cfi_startproc;
35
36#undef END
37#define	END(function)                                   \
38		cfi_endproc;				\
39		.end	function;		        \
40		.size	function,.-function
41
42// zig patch: j <reg> -> jr <reg> for https://github.com/ziglang/zig/issues/21315
43#define ret	jr ra ; nop
44
45#undef PSEUDO_END
46#define PSEUDO_END(sym) cfi_endproc; .end sym; .size sym,.-sym
47
48#define PSEUDO_NOERRNO(name, syscall_name, args)	\
49  .align 2;						\
50  ENTRY(name)						\
51  .set nomips16;					\
52  .set noreorder;					\
53  li v0, SYS_ify(syscall_name);				\
54  syscall
55
56#undef PSEUDO_END_NOERRNO
57#define PSEUDO_END_NOERRNO(sym) cfi_endproc; .end sym; .size sym,.-sym
58
59#define ret_NOERRNO ret
60
61#define PSEUDO_ERRVAL(name, syscall_name, args)	\
62  .align 2;						\
63  ENTRY(name)						\
64  .set nomips16;					\
65  .set noreorder;					\
66  li v0, SYS_ify(syscall_name);				\
67  syscall
68
69#undef PSEUDO_END_ERRVAL
70#define PSEUDO_END_ERRVAL(sym) cfi_endproc; .end sym; .size sym,.-sym
71
72#define ret_ERRVAL ret
73
74#define r0	v0
75#define r1	v1
76/* The mips move insn is d,s.  */
77#define MOVE(x,y)	move y , x
78
79#if _MIPS_SIM == _ABIO32
80# define L(label) $L ## label
81#else
82# define L(label) .L ## label
83#endif
84
85#endif