OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [uClibc/] [ldso/] [ldso/] [sparc/] [ld_syscalls.h] - Blame information for rev 1771

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1325 phoenix 
/*
2 
 * This file contains the system call macros and syscall
3 
 * numbers used by the shared library loader.
4 
 */
5 
 
6 
#define __NR_exit                 1
7 
#define __NR_read                 3
8 
#define __NR_write                4
9 
#define __NR_open                 5
10 
#define __NR_close                6
11 
#define __NR_getuid              24
12 
#define __NR_getgid              47
13 
#define __NR_geteuid             49
14 
#define __NR_getegid             50
15 
#define __NR_readlink            58
16 
#define __NR_mmap                71
17 
#define __NR_munmap              73
18 
#define __NR_stat                38
19 
#define __NR_mprotect            74
20 
 
21 
/* Here are the macros which define how this platform makes
22 
 * system calls.  This particular variant does _not_ set
23 
 * errno (note how it is disabled in __syscall_return) since
24 
 * these will get called before the errno symbol is dynamicly
25 
 * linked. */
26 
 
27 
#define _syscall0(type,name) \
28 
type name(void) \
29 
{ \
30 
long __res; \
31 
register long __g1 __asm__ ("g1") = __NR_##name; \
32 
__asm__ __volatile__ ("t 0x10\n\t" \
33 
                      "bcc 1f\n\t" \
34 
                      "mov %%o0, %0\n\t" \
35 
                      "sub %%g0, %%o0, %0\n\t" \
36 
                      "1:\n\t" \
37 
                      : "=r" (__res)\
38 
                      : "r" (__g1) \
39 
                      : "o0", "cc"); \
40 
if (__res < -255 || __res >= 0) \
41 
    return (type) __res; \
42 
/*errno = -__res; */\
43 
return -1; \
44 
}
45 
 
46 
#define _syscall1(type,name,type1,arg1) \
47 
type name(type1 arg1) \
48 
{ \
49 
long __res; \
50 
register long __g1 __asm__ ("g1") = __NR_##name; \
51 
register long __o0 __asm__ ("o0") = (long)(arg1); \
52 
__asm__ __volatile__ ("t 0x10\n\t" \
53 
                      "bcc 1f\n\t" \
54 
                      "mov %%o0, %0\n\t" \
55 
                      "sub %%g0, %%o0, %0\n\t" \
56 
                      "1:\n\t" \
57 
                      : "=r" (__res), "=&r" (__o0) \
58 
                      : "1" (__o0), "r" (__g1) \
59 
                      : "cc"); \
60 
if (__res < -255 || __res >= 0) \
61 
        return (type) __res; \
62 
/*errno = -__res;*/ \
63 
return -1; \
64 
}
65 
 
66 
#define _syscall2(type,name,type1,arg1,type2,arg2) \
67 
type name(type1 arg1,type2 arg2) \
68 
{ \
69 
long __res; \
70 
register long __g1 __asm__ ("g1") = __NR_##name; \
71 
register long __o0 __asm__ ("o0") = (long)(arg1); \
72 
register long __o1 __asm__ ("o1") = (long)(arg2); \
73 
__asm__ __volatile__ ("t 0x10\n\t" \
74 
                      "bcc 1f\n\t" \
75 
                      "mov %%o0, %0\n\t" \
76 
                      "sub %%g0, %%o0, %0\n\t" \
77 
                      "1:\n\t" \
78 
                      : "=r" (__res), "=&r" (__o0) \
79 
                      : "1" (__o0), "r" (__o1), "r" (__g1) \
80 
                      : "cc"); \
81 
if (__res < -255 || __res >= 0) \
82 
        return (type) __res; \
83 
/*errno = -__res;*/ \
84 
return -1; \
85 
}
86 
 
87 
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
88 
type name(type1 arg1,type2 arg2,type3 arg3) \
89 
{ \
90 
long __res; \
91 
register long __g1 __asm__ ("g1") = __NR_##name; \
92 
register long __o0 __asm__ ("o0") = (long)(arg1); \
93 
register long __o1 __asm__ ("o1") = (long)(arg2); \
94 
register long __o2 __asm__ ("o2") = (long)(arg3); \
95 
__asm__ __volatile__ ("t 0x10\n\t" \
96 
                      "bcc 1f\n\t" \
97 
                      "mov %%o0, %0\n\t" \
98 
                      "sub %%g0, %%o0, %0\n\t" \
99 
                      "1:\n\t" \
100 
                      : "=r" (__res), "=&r" (__o0) \
101 
                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
102 
                      : "cc"); \
103 
if (__res < -255 || __res>=0) \
104 
        return (type) __res; \
105 
/*errno = -__res;*/ \
106 
return -1; \
107 
}
108 
 
109 
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
110 
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
111 
{ \
112 
long __res; \
113 
register long __g1 __asm__ ("g1") = __NR_##name; \
114 
register long __o0 __asm__ ("o0") = (long)(arg1); \
115 
register long __o1 __asm__ ("o1") = (long)(arg2); \
116 
register long __o2 __asm__ ("o2") = (long)(arg3); \
117 
register long __o3 __asm__ ("o3") = (long)(arg4); \
118 
__asm__ __volatile__ ("t 0x10\n\t" \
119 
                      "bcc 1f\n\t" \
120 
                      "mov %%o0, %0\n\t" \
121 
                      "sub %%g0, %%o0, %0\n\t" \
122 
                      "1:\n\t" \
123 
                      : "=r" (__res), "=&r" (__o0) \
124 
                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
125 
                      : "cc"); \
126 
if (__res < -255 || __res>=0) \
127 
        return (type) __res; \
128 
/*errno = -__res;*/ \
129 
return -1; \
130 
}
131 
 
132 
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
133 
          type5,arg5) \
134 
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
135 
{ \
136 
long __res; \
137 
register long __g1 __asm__ ("g1") = __NR_##name; \
138 
register long __o0 __asm__ ("o0") = (long)(arg1); \
139 
register long __o1 __asm__ ("o1") = (long)(arg2); \
140 
register long __o2 __asm__ ("o2") = (long)(arg3); \
141 
register long __o3 __asm__ ("o3") = (long)(arg4); \
142 
register long __o4 __asm__ ("o4") = (long)(arg5); \
143 
__asm__ __volatile__ ("t 0x10\n\t" \
144 
                      "bcc 1f\n\t" \
145 
                      "mov %%o0, %0\n\t" \
146 
                      "sub %%g0, %%o0, %0\n\t" \
147 
                      "1:\n\t" \
148 
                      : "=r" (__res), "=&r" (__o0) \
149 
                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
150 
                      : "cc"); \
151 
if (__res < -255 || __res>=0) \
152 
        return (type) __res; \
153 
/*errno = -__res; */\
154 
return -1; \
155 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.