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
97
98
99
100
101
102
103
104
105
106
107
108
|
#ifndef _BITS_SYSCALLS_H
#define _BITS_SYSCALLS_H
#ifndef _SYSCALL_H
# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
#endif
#ifndef __ASSEMBLER__
#define __SYSCALL_STRING \
"t 0x10\n\t" \
"bcc 1f\n\t" \
"mov %%o0, %0\n\t" \
"sub %%g0, %%o0, %0\n\t" \
"1:\n\t"
#define __SYSCALL_CLOBBERS "cc", "memory"
#ifndef NOT_IN_libc
#define DEBUG_SYSCALL(name) { \
char d[64];\
write( 2, d, snprintf( d, 64, "syscall %d error %d\n", __NR_##name, _inline_sys_result)); \
}
#else
#define DEBUG_SYSCALL(name) do{} while(0)
#endif
#define INTERNAL_SYSCALL_NCS(sys_num, err, nr, args...) \
(__extension__ \
({ \
unsigned int __res; \
{ \
register long __o0 __asm__("o0"); \
register long __g1 __asm__("g1") = sys_num; \
LOAD_ARGS_##nr(args) \
__asm__ __volatile__( __SYSCALL_STRING \
: "=r" (__res), "=&r" (__o0) \
: "1" (__o0) ASM_ARGS_##nr, "r" (__g1) \
: __SYSCALL_CLOBBERS ); \
} \
(int)__res; \
}) \
)
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
((unsigned int) (val) >= 0xfffff001u)
# define CALL_ERRNO_LOCATION "call __errno_location;"
#define __CLONE_SYSCALL_STRING \
"ta 0x10;" \
"bcs 2f;" \
" sub %%o1, 1, %%o1;" \
"and %%o0, %%o1, %%o0;" \
"1:" \
".subsection 2;" \
"2:" \
"save %%sp, -192, %%sp;" \
CALL_ERRNO_LOCATION \
" nop;" \
"st %%i0, [%%o0];" \
"ba 1b;" \
" restore %%g0, -1, %%o0;" \
".previous;"
#define INLINE_CLONE_SYSCALL(arg1,arg2,arg3,arg4,arg5) \
({ \
register long __o0 __asm__ ("o0") = (long)(arg1); \
register long __o1 __asm__ ("o1") = (long)(arg2); \
register long __o2 __asm__ ("o2") = (long)(arg3); \
register long __o3 __asm__ ("o3") = (long)(arg4); \
register long __o4 __asm__ ("o4") = (long)(arg5); \
register long __g1 __asm__ ("g1") = __NR_clone; \
__asm__ __volatile__ (__CLONE_SYSCALL_STRING : \
"=r" (__g1), "=r" (__o0), "=r" (__o1) : \
"0" (__g1), "1" (__o0), "2" (__o1), \
"r" (__o2), "r" (__o3), "r" (__o4) : \
__SYSCALL_CLOBBERS); \
__o0; \
})
#define LOAD_ARGS_0()
#define ASM_ARGS_0
#define LOAD_ARGS_1(o0) \
__o0 = (int)o0; \
LOAD_ARGS_0()
#define ASM_ARGS_1 ASM_ARGS_0, "r" (__o0)
#define LOAD_ARGS_2(o0, o1) \
register int __o1 __asm__ ("o1") = (int) (o1); \
LOAD_ARGS_1 (o0)
#define ASM_ARGS_2 ASM_ARGS_1, "r" (__o1)
#define LOAD_ARGS_3(o0, o1, o2) \
register int __o2 __asm__ ("o2") = (int) (o2); \
LOAD_ARGS_2 (o0, o1)
#define ASM_ARGS_3 ASM_ARGS_2, "r" (__o2)
#define LOAD_ARGS_4(o0, o1, o2, o3) \
register int __o3 __asm__ ("o3") = (int) (o3); \
LOAD_ARGS_3 (o0, o1, o2)
#define ASM_ARGS_4 ASM_ARGS_3, "r" (__o3)
#define LOAD_ARGS_5(o0, o1, o2, o3, o4) \
register int __o4 __asm__ ("o4") = (int) (o4); \
LOAD_ARGS_4 (o0, o1, o2, o3)
#define ASM_ARGS_5 ASM_ARGS_4, "r" (__o4)
#define LOAD_ARGS_6(o0, o1, o2, o3, o4, o5) \
register int __o5 __asm__ ("o5") = (int) (o5); \
LOAD_ARGS_5 (o0, o1, o2, o3, o4)
#define ASM_ARGS_6 ASM_ARGS_5, "r" (__o5)
#endif /* __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
|
