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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
#ifndef _BITS_SYSCALLS_H
#define _BITS_SYSCALLS_H
#ifndef _SYSCALL_H
#error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."
#endif
#ifndef __ASSEMBLER__
#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
(__extension__ \
({ \
register unsigned long __res __asm__ ("r10"); \
LOAD_ARGS_c_##nr(args) \
register unsigned long __callno __asm__ ("r9") \
= name; \
__asm__ __volatile__ (LOAD_ARGS_asm_##nr (args) \
CHECK_ARGS_asm_##nr \
"break 13" \
: "=r" (__res) \
: ASM_ARGS_##nr (args) \
: ASM_CLOBBER_##nr); \
__res; \
}) \
)
#define LOAD_ARGS_c_0()
#define LOAD_ARGS_asm_0()
#define ASM_CLOBBER_0 "memory"
#define ASM_ARGS_0() "r" (__callno)
#define CHECK_ARGS_asm_0
#define LOAD_ARGS_c_1(r10) \
LOAD_ARGS_c_0() \
register unsigned long __r10 __asm__ ("r10") = (unsigned long) (r10);
#define LOAD_ARGS_asm_1(r10) LOAD_ARGS_asm_0 ()
#define ASM_CLOBBER_1 ASM_CLOBBER_0
#define ASM_ARGS_1(r10) ASM_ARGS_0 (), "0" (__r10)
#define CHECK_ARGS_asm_1 \
".ifnc %0,$r10\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_2(r10, r11) \
LOAD_ARGS_c_1(r10) \
register unsigned long __r11 __asm__ ("r11") = (unsigned long) (r11);
#define LOAD_ARGS_asm_2(r10, r11) LOAD_ARGS_asm_1 (r10)
#define ASM_CLOBBER_2 ASM_CLOBBER_1
#define ASM_ARGS_2(r10, r11) ASM_ARGS_1 (r10), "r" (__r11)
#define CHECK_ARGS_asm_2 \
".ifnc %0-%3,$r10-$r11\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_3(r10, r11, r12) \
LOAD_ARGS_c_2(r10, r11) \
register unsigned long __r12 __asm__ ("r12") = (unsigned long) (r12);
#define LOAD_ARGS_asm_3(r10, r11, r12) LOAD_ARGS_asm_2 (r10, r11)
#define ASM_CLOBBER_3 ASM_CLOBBER_2
#define ASM_ARGS_3(r10, r11, r12) ASM_ARGS_2 (r10, r11), "r" (__r12)
#define CHECK_ARGS_asm_3 \
".ifnc %0-%3-%4,$r10-$r11-$r12\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_4(r10, r11, r12, r13) \
LOAD_ARGS_c_3(r10, r11, r12) \
register unsigned long __r13 __asm__ ("r13") = (unsigned long) (r13);
#define LOAD_ARGS_asm_4(r10, r11, r12, r13) LOAD_ARGS_asm_3 (r10, r11, r12)
#define ASM_CLOBBER_4 ASM_CLOBBER_3
#define ASM_ARGS_4(r10, r11, r12, r13) ASM_ARGS_3 (r10, r11, r12), "r" (__r13)
#define CHECK_ARGS_asm_4 \
".ifnc %0-%3-%4-%5,$r10-$r11-$r12-$r13\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_5(r10, r11, r12, r13, mof) \
LOAD_ARGS_c_4(r10, r11, r12, r13)
#define LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \
LOAD_ARGS_asm_4 (r10, r11, r12, r13) "move %6,$mof\n\t"
#define ASM_CLOBBER_5 ASM_CLOBBER_4
#define ASM_ARGS_5(r10, r11, r12, r13, mof) \
ASM_ARGS_4 (r10, r11, r12, r13), "g" (mof)
#define CHECK_ARGS_asm_5 CHECK_ARGS_asm_4
#define LOAD_ARGS_c_6(r10, r11, r12, r13, mof, srp) \
LOAD_ARGS_c_5(r10, r11, r12, r13, mof)
#define LOAD_ARGS_asm_6(r10, r11, r12, r13, mof, srp) \
LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \
"move %7,$srp\n\t"
#define ASM_CLOBBER_6 ASM_CLOBBER_5, "srp"
#define ASM_ARGS_6(r10, r11, r12, r13, mof, srp) \
ASM_ARGS_5 (r10, r11, r12, r13, mof), "g" (srp)
#define CHECK_ARGS_asm_6 CHECK_ARGS_asm_5
#endif /* not __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
|
