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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/* Definitions of target machine for GNU compiler, for ARM with a.out
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
Contributed by Richard Earnshaw (rearnsha@armltd.co.uk).
This file is part of GNU CC.
GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef ARM_OS_NAME
#define ARM_OS_NAME "(generic)"
#endif
/* The text to go at the start of the assembler file */
#ifndef ASM_FILE_START
#define ASM_FILE_START(STREAM) \
{ \
asm_fprintf (STREAM,"%Rrfp\t.req\t%Rr9\n"); \
asm_fprintf (STREAM,"%Rsl\t.req\t%Rr10\n"); \
asm_fprintf (STREAM,"%Rfp\t.req\t%Rr11\n"); \
asm_fprintf (STREAM,"%Rip\t.req\t%Rr12\n"); \
asm_fprintf (STREAM,"%Rsp\t.req\t%Rr13\n"); \
asm_fprintf (STREAM,"%Rlr\t.req\t%Rr14\n"); \
asm_fprintf (STREAM,"%Rpc\t.req\t%Rr15\n"); \
}
#endif
#ifndef ASM_APP_ON
#define ASM_APP_ON ""
#endif
#ifndef ASM_APP_OFF
#define ASM_APP_OFF ""
#endif
/* Switch to the text or data segment. */
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
#define BSS_SECTION_ASM_OP "\t.bss"
/* Note: If USER_LABEL_PREFIX or LOCAL_LABEL_PREFIX are changed,
make sure that this change is reflected in the function
coff_arm_is_local_label_name() in bfd/coff-arm.c */
#ifndef REGISTER_PREFIX
#define REGISTER_PREFIX ""
#endif
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"
#endif
#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX ""
#endif
/* The assembler's names for the registers. */
#ifndef REGISTER_NAMES
#define REGISTER_NAMES \
{ \
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
"r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc", \
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
"cc", "sfp", "afp" \
}
#endif
#ifndef ADDITIONAL_REGISTER_NAMES
#define ADDITIONAL_REGISTER_NAMES \
{ \
{"a1", 0}, \
{"a2", 1}, \
{"a3", 2}, \
{"a4", 3}, \
{"v1", 4}, \
{"v2", 5}, \
{"v3", 6}, \
{"v4", 7}, \
{"v5", 8}, \
{"v6", 9}, \
{"rfp", 9}, /* Gcc used to call it this */ \
{"sb", 9}, \
{"v7", 10}, \
{"r10", 10}, /* sl */ \
{"r11", 11}, /* fp */ \
{"r12", 12}, /* ip */ \
{"r13", 13}, /* sp */ \
{"r14", 14}, /* lr */ \
{"r15", 15} /* pc */ \
}
#endif
/* Arm Assembler barfs on dollars */
#define DOLLARS_IN_IDENTIFIERS 0
#ifndef NO_DOLLAR_IN_LABEL
#define NO_DOLLAR_IN_LABEL 1
#endif
/* Generate DBX debugging information. riscix.h will undefine this because
the native assembler does not support stabs. */
#define DBX_DEBUGGING_INFO 1
/* Acorn dbx moans about continuation chars, so don't use any. */
#ifndef DBX_CONTIN_LENGTH
#define DBX_CONTIN_LENGTH 0
#endif
/* Output a source filename for the debugger. RISCiX dbx insists that the
``desc'' field is set to compiler version number >= 315 (sic). */
#define DBX_OUTPUT_MAIN_SOURCE_FILENAME(STREAM, NAME) \
do \
{ \
fprintf (STREAM, ".stabs "); \
output_quoted_string (STREAM, NAME); \
fprintf (STREAM, ",%d,0,315,%s\n", N_SO, <ext_label_name[1]); \
text_section (); \
ASM_OUTPUT_INTERNAL_LABEL (STREAM, "Ltext", 0); \
} \
while (0)
/* Output a function label definition. */
#ifndef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \
do \
{ \
ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL); \
ASM_OUTPUT_LABEL (STREAM, NAME); \
} \
while (0)
#endif
/* Globalizing directive for a label. */
#define GLOBAL_ASM_OP "\t.global\t"
/* Make an internal label into a string. */
#ifndef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
#endif
/* Construct a private name. */
#define ASM_FORMAT_PRIVATE_NAME(OUTVAR, NAME, NUMBER) \
((OUTVAR) = (char *) alloca (strlen (NAME) + 10), \
sprintf (OUTVAR, "%s.%d", NAME, NUMBER))
/* Output an element of a dispatch table. */
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
asm_fprintf (STREAM, "\t.word\t%LL%d\n", VALUE)
#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \
do \
{ \
if (TARGET_ARM) \
asm_fprintf (STREAM, "\tb\t%LL%d\n", VALUE); \
else \
asm_fprintf (STREAM, "\t.word\t%LL%d-%LL%d\n", VALUE, REL); \
} \
while (0)
#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
output_ascii_pseudo_op (STREAM, (const unsigned char *)(PTR), LEN)
/* Output a gap. In fact we fill it with nulls. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
fprintf (STREAM, "\t.space\t%d\n", NBYTES)
/* Align output to a power of two. Horrible /bin/as. */
#ifndef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
do \
{ \
register int amount = 1 << (POWER); \
\
if (amount == 2) \
fprintf (STREAM, "\t.even\n"); \
else if (amount != 1) \
fprintf (STREAM, "\t.align\t%d\n", amount - 4); \
} \
while (0)
#endif
/* Output a common block */
#ifndef ASM_OUTPUT_COMMON
#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
do \
{ \
fprintf (STREAM, "\t.comm\t"); \
assemble_name (STREAM, NAME); \
asm_fprintf (STREAM, ", %d\t%@ %d\n", \
ROUNDED, SIZE); \
} \
while (0)
#endif
/* Output a local common block. /bin/as can't do this, so hack a
`.space' into the bss segment. Note that this is *bad* practice,
which is guaranteed NOT to work since it doesn't define STATIC
COMMON space but merely STATIC BSS space. */
#ifndef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \
do \
{ \
bss_section (); \
ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \
ASM_OUTPUT_LABEL (STREAM, NAME); \
fprintf (STREAM, "\t.space\t%d\n", SIZE); \
} \
while (0)
#endif
/* Output a zero-initialized block. */
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(STREAM, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (STREAM, DECL, NAME, SIZE, ALIGN)
#endif
/* Output a source line for the debugger. */
/* #define ASM_OUTPUT_SOURCE_LINE(STREAM,LINE) */
/* Output a #ident directive. */
#ifndef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(STREAM,STRING) \
asm_fprintf (STREAM, "%@ - - - ident %s\n", STRING)
#endif
#ifndef ASM_COMMENT_START
#define ASM_COMMENT_START "@"
#endif
/* This works for GAS and some other assemblers. */
#define SET_ASM_OP "\t.set\t"
|
