1/* Definitions of target machine for GNU compiler, for ARM with a.out
2   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004
3   Free Software Foundation, Inc.
4   Contributed by Richard Earnshaw (rearnsha@armltd.co.uk).
5
6   This file is part of GCC.
7
8   GCC is free software; you can redistribute it and/or modify it
9   under the terms of the GNU General Public License as published
10   by the Free Software Foundation; either version 2, or (at your
11   option) any later version.
12
13   GCC is distributed in the hope that it will be useful, but WITHOUT
14   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
16   License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with GCC; see the file COPYING.  If not, write to
20   the Free Software Foundation, 51 Franklin Street, Fifth Floor,
21   Boston, MA 02110-1301, USA.  */
22
23#ifndef ASM_APP_ON
24#define ASM_APP_ON  		""
25#endif
26#ifndef ASM_APP_OFF
27#define ASM_APP_OFF  		""
28#endif
29
30/* Switch to the text or data segment.  */
31#define TEXT_SECTION_ASM_OP  	"\t.text"
32#define DATA_SECTION_ASM_OP  	"\t.data"
33#define BSS_SECTION_ASM_OP   	"\t.bss"
34
35/* Note: If USER_LABEL_PREFIX or LOCAL_LABEL_PREFIX are changed,
36   make sure that this change is reflected in the function
37   coff_arm_is_local_label_name() in bfd/coff-arm.c.  */
38#ifndef REGISTER_PREFIX
39#define REGISTER_PREFIX 	""
40#endif
41
42#ifndef USER_LABEL_PREFIX
43#define USER_LABEL_PREFIX 	"_"
44#endif
45
46#ifndef LOCAL_LABEL_PREFIX
47#define LOCAL_LABEL_PREFIX 	""
48#endif
49
50/* The assembler's names for the registers.  */
51#ifndef REGISTER_NAMES
52#define REGISTER_NAMES				   \
53{				                   \
54  "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",  \
55  "r8", "r9", "sl", "fp", "ip", "sp", "lr", "pc",  \
56  "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",  \
57  "cc", "sfp", "afp",		   		   \
58  "mv0",   "mv1",   "mv2",   "mv3",		   \
59  "mv4",   "mv5",   "mv6",   "mv7",		   \
60  "mv8",   "mv9",   "mv10",  "mv11",		   \
61  "mv12",  "mv13",  "mv14",  "mv15",		   \
62  "wcgr0", "wcgr1", "wcgr2", "wcgr3",		   \
63  "wr0",   "wr1",   "wr2",   "wr3",		   \
64  "wr4",   "wr5",   "wr6",   "wr7",		   \
65  "wr8",   "wr9",   "wr10",  "wr11",		   \
66  "wr12",  "wr13",  "wr14",  "wr15",		   \
67  "s0",  "s1",  "s2",  "s3",  "s4",  "s5",  "s6",  "s7",  \
68  "s8",  "s9",  "s10", "s11", "s12", "s13", "s14", "s15", \
69  "s16", "s17", "s18", "s19", "s20", "s21", "s22", "s23", \
70  "s24", "s25", "s26", "s27", "s28", "s29", "s30", "s31", \
71  "vfpcc"					   \
72}
73#endif
74
75#ifndef ADDITIONAL_REGISTER_NAMES
76#define ADDITIONAL_REGISTER_NAMES		\
77{						\
78  {"a1", 0},					\
79  {"a2", 1},					\
80  {"a3", 2},					\
81  {"a4", 3},					\
82  {"v1", 4},					\
83  {"v2", 5},					\
84  {"v3", 6},					\
85  {"v4", 7},					\
86  {"v5", 8},					\
87  {"v6", 9},					\
88  {"rfp", 9}, /* Gcc used to call it this */	\
89  {"sb", 9},					\
90  {"v7", 10},					\
91  {"r10", 10},	/* sl */			\
92  {"r11", 11},	/* fp */			\
93  {"r12", 12},	/* ip */			\
94  {"r13", 13},	/* sp */			\
95  {"r14", 14},	/* lr */			\
96  {"r15", 15},	/* pc */			\
97  {"mvf0", 27},					\
98  {"mvf1", 28},					\
99  {"mvf2", 29},					\
100  {"mvf3", 30},					\
101  {"mvf4", 31},					\
102  {"mvf5", 32},					\
103  {"mvf6", 33},					\
104  {"mvf7", 34},					\
105  {"mvf8", 35},					\
106  {"mvf9", 36},					\
107  {"mvf10", 37},				\
108  {"mvf11", 38},				\
109  {"mvf12", 39},				\
110  {"mvf13", 40},				\
111  {"mvf14", 41},				\
112  {"mvf15", 42},				\
113  {"mvd0", 27},					\
114  {"mvd1", 28},					\
115  {"mvd2", 29},					\
116  {"mvd3", 30},					\
117  {"mvd4", 31},					\
118  {"mvd5", 32},					\
119  {"mvd6", 33},					\
120  {"mvd7", 34},					\
121  {"mvd8", 35},					\
122  {"mvd9", 36},					\
123  {"mvd10", 37},				\
124  {"mvd11", 38},				\
125  {"mvd12", 39},				\
126  {"mvd13", 40},				\
127  {"mvd14", 41},				\
128  {"mvd15", 42},				\
129  {"mvfx0", 27},				\
130  {"mvfx1", 28},				\
131  {"mvfx2", 29},				\
132  {"mvfx3", 30},				\
133  {"mvfx4", 31},				\
134  {"mvfx5", 32},				\
135  {"mvfx6", 33},				\
136  {"mvfx7", 34},				\
137  {"mvfx8", 35},				\
138  {"mvfx9", 36},				\
139  {"mvfx10", 37},				\
140  {"mvfx11", 38},				\
141  {"mvfx12", 39},				\
142  {"mvfx13", 40},				\
143  {"mvfx14", 41},				\
144  {"mvfx15", 42},				\
145  {"mvdx0", 27},				\
146  {"mvdx1", 28},				\
147  {"mvdx2", 29},				\
148  {"mvdx3", 30},				\
149  {"mvdx4", 31},				\
150  {"mvdx5", 32},				\
151  {"mvdx6", 33},				\
152  {"mvdx7", 34},				\
153  {"mvdx8", 35},				\
154  {"mvdx9", 36},				\
155  {"mvdx10", 37},				\
156  {"mvdx11", 38},				\
157  {"mvdx12", 39},				\
158  {"mvdx13", 40},				\
159  {"mvdx14", 41},				\
160  {"mvdx15", 42},				\
161  {"d0", 63},					\
162  {"d1", 65},					\
163  {"d2", 67},					\
164  {"d3", 69},					\
165  {"d4", 71},					\
166  {"d5", 73},					\
167  {"d6", 75},					\
168  {"d7", 77},					\
169  {"d8", 79},					\
170  {"d9", 81},					\
171  {"d10", 83},					\
172  {"d11", 85},					\
173  {"d12", 87},					\
174  {"d13", 89},					\
175  {"d14", 91},					\
176  {"d15", 93},					\
177}
178#endif
179
180/* Arm Assembler barfs on dollars.  */
181#define DOLLARS_IN_IDENTIFIERS 0
182
183#ifndef NO_DOLLAR_IN_LABEL
184#define NO_DOLLAR_IN_LABEL 1
185#endif
186
187/* Generate DBX debugging information.  riscix.h will undefine this because
188   the native assembler does not support stabs.  */
189#define DBX_DEBUGGING_INFO 1
190
191/* Acorn dbx moans about continuation chars, so don't use any.  */
192#ifndef DBX_CONTIN_LENGTH
193#define DBX_CONTIN_LENGTH  0
194#endif
195
196/* Output a function label definition.  */
197#ifndef ASM_DECLARE_FUNCTION_NAME
198#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL)	\
199  do							\
200    {							\
201      ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL);   \
202      ASM_OUTPUT_LABEL (STREAM, NAME);			\
203    }							\
204  while (0)
205#endif
206
207/* Globalizing directive for a label.  */
208#define GLOBAL_ASM_OP "\t.global\t"
209
210/* Make an internal label into a string.  */
211#ifndef ASM_GENERATE_INTERNAL_LABEL
212#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM)  \
213  sprintf (STRING, "*%s%s%u", LOCAL_LABEL_PREFIX, PREFIX, (unsigned int)(NUM))
214#endif
215
216/* Output an element of a dispatch table.  */
217#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE)  \
218  asm_fprintf (STREAM, "\t.word\t%LL%d\n", VALUE)
219
220#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL)		\
221  do									\
222    {									\
223      if (TARGET_ARM)							\
224	asm_fprintf (STREAM, "\tb\t%LL%d\n", VALUE);			\
225      else								\
226	asm_fprintf (STREAM, "\t.word\t%LL%d-%LL%d\n", VALUE, REL);	\
227    }									\
228  while (0)
229
230
231#undef  ASM_OUTPUT_ASCII
232#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN)  \
233  output_ascii_pseudo_op (STREAM, (const unsigned char *) (PTR), LEN)
234
235/* Output a gap.  In fact we fill it with nulls.  */
236#undef  ASM_OUTPUT_SKIP
237#define ASM_OUTPUT_SKIP(STREAM, NBYTES) 	\
238  fprintf (STREAM, "\t.space\t%d\n", (int) (NBYTES))
239
240/* Align output to a power of two.  Horrible /bin/as.  */
241#ifndef ASM_OUTPUT_ALIGN
242#define ASM_OUTPUT_ALIGN(STREAM, POWER)			\
243  do							\
244    {							\
245      register int amount = 1 << (POWER);		\
246							\
247      if (amount == 2)					\
248	fprintf (STREAM, "\t.even\n");			\
249      else if (amount != 1)				\
250	fprintf (STREAM, "\t.align\t%d\n", amount - 4);	\
251    }							\
252  while (0)
253#endif
254
255/* Output a common block.  */
256#ifndef ASM_OUTPUT_COMMON
257#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED)	\
258  do							\
259    {							\
260      fprintf (STREAM, "\t.comm\t");			\
261      assemble_name (STREAM, NAME);			\
262      asm_fprintf (STREAM, ", %d\t%@ %d\n", 		\
263	           (int)(ROUNDED), (int)(SIZE));	\
264    }							\
265  while (0)
266#endif
267
268/* Output a local common block.  /bin/as can't do this, so hack a
269   `.space' into the bss segment.  Note that this is *bad* practice,
270   which is guaranteed NOT to work since it doesn't define STATIC
271   COMMON space but merely STATIC BSS space.  */
272#ifndef ASM_OUTPUT_ALIGNED_LOCAL
273#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN)		\
274  do									\
275    {									\
276      switch_to_section (bss_section);					\
277      ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT));	\
278      ASM_OUTPUT_LABEL (STREAM, NAME);					\
279      fprintf (STREAM, "\t.space\t%d\n", (int)(SIZE));			\
280    }									\
281  while (0)
282#endif
283
284/* Output a zero-initialized block.  */
285#ifndef ASM_OUTPUT_ALIGNED_BSS
286#define ASM_OUTPUT_ALIGNED_BSS(STREAM, DECL, NAME, SIZE, ALIGN) \
287  asm_output_aligned_bss (STREAM, DECL, NAME, SIZE, ALIGN)
288#endif
289
290/* Output a #ident directive.  */
291#ifndef ASM_OUTPUT_IDENT
292#define ASM_OUTPUT_IDENT(STREAM,STRING)  \
293  asm_fprintf (STREAM, "%@ - - - ident %s\n", STRING)
294#endif
295
296#ifndef ASM_COMMENT_START
297#define ASM_COMMENT_START 	"@"
298#endif
299
300/* This works for GAS and some other assemblers.  */
301#define SET_ASM_OP		"\t.set\t"
302