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Commit | Line | Data |
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5ac89d9f | 1 | /* PowerPC asm definitions for GNU C. */ |
a0d66c8d | 2 | /* Under winnt, 1) gas supports the following as names and 2) in particular |
8e05e5dd MM |
3 | defining "toc" breaks the FUNC_START macro as ".toc" becomes ".2" */ |
4 | ||
5 | #if !defined(__WINNT__) | |
482cfaf8 MM |
6 | #define r0 0 |
7 | #define sp 1 | |
8 | #define toc 2 | |
9 | #define r3 3 | |
10 | #define r4 4 | |
11 | #define r5 5 | |
12 | #define r6 6 | |
13 | #define r7 7 | |
14 | #define r8 8 | |
15 | #define r9 9 | |
16 | #define r10 10 | |
17 | #define r11 11 | |
18 | #define r12 12 | |
19 | #define r13 13 | |
20 | #define r14 14 | |
21 | #define r15 15 | |
22 | #define r16 16 | |
23 | #define r17 17 | |
24 | #define r18 18 | |
25 | #define r19 19 | |
26 | #define r20 20 | |
27 | #define r21 21 | |
28 | #define r22 22 | |
29 | #define r23 23 | |
30 | #define r24 24 | |
31 | #define r25 25 | |
32 | #define r26 26 | |
33 | #define r27 27 | |
34 | #define r28 28 | |
35 | #define r29 29 | |
36 | #define r30 30 | |
37 | #define r31 31 | |
eaf1bcf1 MM |
38 | |
39 | #define cr0 0 | |
40 | #define cr1 1 | |
41 | #define cr2 2 | |
42 | #define cr3 3 | |
43 | #define cr4 4 | |
44 | #define cr5 5 | |
45 | #define cr6 6 | |
46 | #define cr7 7 | |
47 | ||
48 | #define f0 0 | |
49 | #define f1 1 | |
50 | #define f2 2 | |
51 | #define f3 3 | |
52 | #define f4 4 | |
53 | #define f5 5 | |
54 | #define f6 6 | |
55 | #define f7 7 | |
56 | #define f8 8 | |
57 | #define f9 9 | |
58 | #define f10 10 | |
59 | #define f11 11 | |
60 | #define f12 12 | |
61 | #define f13 13 | |
62 | #define f14 14 | |
63 | #define f15 15 | |
64 | #define f16 16 | |
65 | #define f17 17 | |
66 | #define f18 18 | |
67 | #define f19 19 | |
68 | #define f20 20 | |
69 | #define f21 21 | |
70 | #define f22 22 | |
71 | #define f23 23 | |
72 | #define f24 24 | |
73 | #define f25 25 | |
74 | #define f26 26 | |
75 | #define f27 27 | |
76 | #define f28 28 | |
77 | #define f29 29 | |
78 | #define f30 30 | |
79 | #define f31 31 | |
8e05e5dd | 80 | #endif |
482cfaf8 MM |
81 | |
82 | /* | |
83 | * Macros to glue together two tokens. | |
84 | */ | |
85 | ||
86 | #ifdef __STDC__ | |
87 | #define XGLUE(a,b) a##b | |
88 | #else | |
89 | #define XGLUE(a,b) a/**/b | |
90 | #endif | |
91 | ||
92 | #define GLUE(a,b) XGLUE(a,b) | |
93 | ||
94 | /* | |
95 | * Macros to begin and end a function written in assembler. If -mcall-aixdesc | |
96 | * or -mcall-nt, create a function descriptor with the given name, and create | |
97 | * the real function with one or two leading periods respectively. | |
98 | */ | |
99 | ||
100 | #ifdef _RELOCATABLE | |
101 | #define DESC_SECTION ".got2" | |
102 | #else | |
103 | #define DESC_SECTION ".got1" | |
104 | #endif | |
105 | ||
106 | #if defined(_CALL_AIXDESC) | |
107 | #define FUNC_NAME(name) GLUE(.,name) | |
108 | #define FUNC_START(name) \ | |
109 | .section DESC_SECTION,"aw"; \ | |
110 | name: \ | |
111 | .long GLUE(.,name); \ | |
112 | .long _GLOBAL_OFFSET_TABLE_; \ | |
113 | .long 0; \ | |
114 | .previous; \ | |
115 | .type GLUE(.,name),@function; \ | |
116 | .globl name; \ | |
117 | .globl GLUE(.,name); \ | |
118 | GLUE(.,name): | |
119 | ||
120 | #define FUNC_END(name) \ | |
121 | GLUE(.L,name): \ | |
122 | .size GLUE(.,name),GLUE(.L,name)-GLUE(.,name) | |
123 | ||
124 | #elif defined(__WINNT__) | |
125 | #define FUNC_NAME(name) GLUE(..,name) | |
126 | #define FUNC_START(name) \ | |
127 | .pdata; \ | |
128 | .align 2; \ | |
129 | .ualong GLUE(..,name),GLUE(name,.e),0,0,GLUE(..,name); \ | |
130 | .reldata; \ | |
131 | name: \ | |
132 | .ualong GLUE(..,name),.toc; \ | |
133 | .section .text; \ | |
134 | .globl name; \ | |
135 | .globl GLUE(..,name); \ | |
136 | GLUE(..,name): | |
137 | ||
138 | #define FUNC_END(name) \ | |
139 | GLUE(name,.e): ; \ | |
140 | GLUE(FE_MOT_RESVD..,name): | |
141 | ||
142 | #elif defined(_CALL_NT) | |
143 | #define FUNC_NAME(name) GLUE(..,name) | |
144 | #define FUNC_START(name) \ | |
145 | .section DESC_SECTION,"aw"; \ | |
146 | name: \ | |
147 | .long GLUE(..,name); \ | |
148 | .long _GLOBAL_OFFSET_TABLE_; \ | |
149 | .previous; \ | |
150 | .type GLUE(..,name),@function; \ | |
151 | .globl name; \ | |
152 | .globl GLUE(..,name); \ | |
153 | GLUE(..,name): | |
154 | ||
155 | #define FUNC_END(name) \ | |
156 | GLUE(.L,name): \ | |
157 | .size GLUE(..,name),GLUE(.L,name)-GLUE(..,name) | |
158 | ||
159 | #else | |
160 | #define FUNC_NAME(name) name | |
161 | #define FUNC_START(name) \ | |
162 | .type name,@function; \ | |
163 | .globl name; \ | |
164 | name: | |
165 | ||
166 | #define FUNC_END(name) \ | |
167 | GLUE(.L,name): \ | |
168 | .size name,GLUE(.L,name)-name | |
169 | #endif | |
170 |