1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* Copyright (C) 1992,95,97,99,2000 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 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; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdeps/unix/sysdep.h>
#ifdef __ASSEMBLER__
#include <regdef.h>
#define ENTRY(name) \
.globl name; \
.align 2; \
.ent name,0; \
name##:
/* 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; \
99: la t9,__syscall_error; \
jr t9; \
ENTRY(name) \
.set noreorder; \
.cpload t9; \
li v0, SYS_##syscall_name; \
syscall; \
.set reorder; \
bne a3, zero, 99b; \
syse1:
#else
#define PSEUDO(name, syscall_name, args) \
.set noreorder; \
.align 2; \
99: j __syscall_error; \
ENTRY(name) \
.set noreorder; \
li v0, SYS_##syscall_name; \
syscall; \
.set reorder; \
bne a3, zero, 99b; \
syse1:
#endif
#undef PSEUDO_END
#define PSEUDO_END(sym) .end sym
#define ret j ra ; nop
#undef END
#define END(sym) .end sym
#define r0 v0
#define r1 v1
/* The mips move insn is d,s. */
#define MOVE(x,y) move y , x
#endif
|
