klibc/include/arch/ia64/klibc/archsys.h


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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218

/*
 * arch/ia64/include/klibc/archsys.h
 *
 * Architecture-specific syscall definitions
 */

#ifndef _KLIBC_ARCHSYS_H
#define _KLIBC_ARCHSYS_H

#define __IA64_BREAK "break 0x100000;;\n\t"

#define _syscall0(type,name)                                            \
type                                                                    \
name (void)                                                             \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15)         \
                         : "2" (_r15) ASM_ARGS_0                        \
                         : "memory" ASM_CLOBBERS_0);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall1(type,name,type1,arg1)                                 \
type                                                                    \
name (type1 arg1)                                                       \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_1(arg1);                                               \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_1                                \
                         : "2" (_r15) ASM_ARGS_1                        \
                         : "memory" ASM_CLOBBERS_1);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall2(type,name,type1,arg1,type2,arg2)                      \
type                                                                    \
name (type1 arg1, type2 arg2)                                           \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_2(arg1, arg2);                                         \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_2                                \
                         : "2" (_r15) ASM_ARGS_2                        \
                         : "memory" ASM_CLOBBERS_2);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)           \
type                                                                    \
name (type1 arg1, type2 arg2, type3 arg3)                               \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_3(arg1, arg2, arg3);                                   \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_3                                \
                         : "2" (_r15) ASM_ARGS_3                        \
                         : "memory" ASM_CLOBBERS_3);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type                                                                    \
name (type1 arg1, type2 arg2, type3 arg3, type4 arg4)                   \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_4(arg1, arg2, arg3, arg4);                             \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_4                                \
                         : "2" (_r15) ASM_ARGS_4                        \
                         : "memory" ASM_CLOBBERS_4);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
type                                                                    \
name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)       \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_5(arg1, arg2, arg3, arg4, arg5);                       \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_5                                \
                         : "2" (_r15) ASM_ARGS_5                        \
                         : "memory" ASM_CLOBBERS_5);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}

#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
type                                                                    \
name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6)       \
{                                                                       \
       register long _r8 asm ("r8");					\
       register long _r10 asm ("r10");                                  \
       register long _r15 asm ("r15") = __NR_##name;                    \
       long _retval;                                                    \
       LOAD_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6);                 \
       __asm __volatile (__IA64_BREAK                                   \
                         : "=r" (_r8), "=r" (_r10), "=r" (_r15),        \
                           ASM_OUTARGS_6                                \
                         : "2" (_r15) ASM_ARGS_6                        \
                         : "memory" ASM_CLOBBERS_6);                    \
       _retval = _r8;                                                   \
       if (_r10 == -1) {                                                \
               errno = (_retval);                                       \
               _retval = -1;                                            \
       }                                                                \
       return (type)_retval;                                                  \
}
  

#define LOAD_ARGS_0()   do { } while (0)
#define LOAD_ARGS_1(out0)				\
  register long _out0 asm ("out0") = (long) (out0);	\
  LOAD_ARGS_0 ()
#define LOAD_ARGS_2(out0, out1)				\
  register long _out1 asm ("out1") = (long) (out1);	\
  LOAD_ARGS_1 (out0)
#define LOAD_ARGS_3(out0, out1, out2)			\
  register long _out2 asm ("out2") = (long) (out2);	\
  LOAD_ARGS_2 (out0, out1)
#define LOAD_ARGS_4(out0, out1, out2, out3)		\
  register long _out3 asm ("out3") = (long) (out3);	\
  LOAD_ARGS_3 (out0, out1, out2)
#define LOAD_ARGS_5(out0, out1, out2, out3, out4)	\
  register long _out4 asm ("out4") = (long) (out4);	\
  LOAD_ARGS_4 (out0, out1, out2, out3)
#define LOAD_ARGS_6(out0, out1, out2, out3, out4, out5)	\
  register long _out5 asm ("out5") = (long) (out5);	\
  LOAD_ARGS_5 (out0, out1, out2, out3, out4)

#define ASM_OUTARGS_1	"=r" (_out0)
#define ASM_OUTARGS_2	ASM_OUTARGS_1, "=r" (_out1)
#define ASM_OUTARGS_3	ASM_OUTARGS_2, "=r" (_out2)
#define ASM_OUTARGS_4	ASM_OUTARGS_3, "=r" (_out3)
#define ASM_OUTARGS_5	ASM_OUTARGS_4, "=r" (_out4)
#define ASM_OUTARGS_6	ASM_OUTARGS_5, "=r" (_out5)

#define ASM_ARGS_0
#define ASM_ARGS_1	ASM_ARGS_0, "3" (_out0)
#define ASM_ARGS_2	ASM_ARGS_1, "4" (_out1)
#define ASM_ARGS_3	ASM_ARGS_2, "5" (_out2)
#define ASM_ARGS_4	ASM_ARGS_3, "6" (_out3)
#define ASM_ARGS_5	ASM_ARGS_4, "7" (_out4)
#define ASM_ARGS_6	ASM_ARGS_5, "8" (_out5)

#define ASM_CLOBBERS_0	ASM_CLOBBERS_1, "out0"
#define ASM_CLOBBERS_1	ASM_CLOBBERS_2, "out1"
#define ASM_CLOBBERS_2	ASM_CLOBBERS_3, "out2"
#define ASM_CLOBBERS_3	ASM_CLOBBERS_4, "out3"
#define ASM_CLOBBERS_4	ASM_CLOBBERS_5, "out4"
#define ASM_CLOBBERS_5	ASM_CLOBBERS_6, "out5"
#define ASM_CLOBBERS_6	, "out6", "out7",				\
  /* Non-stacked integer registers, minus r8, r10, r15.  */		\
  "r2", "r3", "r9", "r11", "r12", "r13", "r14", "r16", "r17", "r18",	\
  "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", "r27",	\
  "r28", "r29", "r30", "r31",						\
  /* Predicate registers.  */						\
  "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15",	\
  /* Non-rotating fp registers.  */					\
  "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",	\
  /* Branch registers.  */						\
  "b6", "b7"

#endif /* _KLIBC_ARCHSYS_H */