aboutsummaryrefslogtreecommitdiff
path: root/gcc/ginclude/ppc-asm.h
blob: 9e830dcc6ebfad4d078acc5da828c285dc811f69 (plain)
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
/* PowerPC asm definitions for GNU C.  */
/* Under winnt, 1) gas suppports the following as names and 2) in particular
   defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */

#if !defined(__WINNT__)
#define r0	0
#define sp	1
#define toc	2
#define r3	3
#define r4	4
#define r5	5
#define r6	6
#define r7	7
#define r8	8
#define r9	9
#define r10	10
#define r11	11
#define r12	12
#define r13	13
#define r14	14
#define r15	15
#define r16	16
#define r17	17
#define r18	18
#define r19     19
#define r20	20
#define r21	21
#define r22	22
#define r23	23
#define r24	24
#define r25	25
#define r26	26
#define r27	27
#define r28	28
#define r29	29
#define r30	30
#define r31	31

#define cr0	0
#define cr1	1
#define cr2	2
#define cr3	3
#define cr4	4
#define cr5	5
#define cr6	6
#define cr7	7

#define f0	0
#define f1	1
#define f2	2
#define f3	3
#define f4	4
#define f5	5
#define f6	6
#define f7	7
#define f8	8
#define f9	9
#define f10	10
#define f11	11
#define f12	12
#define f13	13
#define f14	14
#define f15	15
#define f16	16
#define f17	17
#define f18	18
#define f19     19
#define f20	20
#define f21	21
#define f22	22
#define f23	23
#define f24	24
#define f25	25
#define f26	26
#define f27	27
#define f28	28
#define f29	29
#define f30	30
#define f31	31
#endif

/*
 * Macros to glue together two tokens.
 */

#ifdef __STDC__
#define XGLUE(a,b) a##b
#else
#define XGLUE(a,b) a/**/b
#endif

#define GLUE(a,b) XGLUE(a,b)

/*
 * Macros to begin and end a function written in assembler.  If -mcall-aixdesc
 * or -mcall-nt, create a function descriptor with the given name, and create
 * the real function with one or two leading periods respectively.
 */

#ifdef _RELOCATABLE
#define DESC_SECTION ".got2"
#else
#define DESC_SECTION ".got1"
#endif

#if defined(_CALL_AIXDESC)
#define FUNC_NAME(name) GLUE(.,name)
#define FUNC_START(name) \
	.section DESC_SECTION,"aw"; \
name: \
	.long GLUE(.,name); \
	.long _GLOBAL_OFFSET_TABLE_; \
	.long 0; \
	.previous; \
	.type GLUE(.,name),@function; \
	.globl name; \
	.globl GLUE(.,name); \
GLUE(.,name):

#define FUNC_END(name) \
GLUE(.L,name): \
	.size GLUE(.,name),GLUE(.L,name)-GLUE(.,name)

#elif defined(__WINNT__)
#define FUNC_NAME(name) GLUE(..,name)
#define FUNC_START(name) \
	.pdata; \
	.align 2; \
	.ualong GLUE(..,name),GLUE(name,.e),0,0,GLUE(..,name); \
	.reldata; \
name: \
	.ualong GLUE(..,name),.toc; \
	.section .text; \
	.globl name; \
	.globl GLUE(..,name); \
GLUE(..,name):

#define FUNC_END(name) \
GLUE(name,.e): ; \
GLUE(FE_MOT_RESVD..,name):

#elif defined(_CALL_NT)
#define FUNC_NAME(name) GLUE(..,name)
#define FUNC_START(name) \
	.section DESC_SECTION,"aw"; \
name: \
	.long GLUE(..,name); \
	.long _GLOBAL_OFFSET_TABLE_; \
	.previous; \
	.type GLUE(..,name),@function; \
	.globl name; \
	.globl GLUE(..,name); \
GLUE(..,name):

#define FUNC_END(name) \
GLUE(.L,name): \
	.size GLUE(..,name),GLUE(.L,name)-GLUE(..,name)

#else
#define FUNC_NAME(name) name
#define FUNC_START(name) \
	.type name,@function; \
	.globl name; \
name:

#define FUNC_END(name) \
GLUE(.L,name): \
	.size name,GLUE(.L,name)-name
#endif