/* Definitions of target machine for GNU compiler, for ARM with a.out
- Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ 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.
#endif
/* The text to go at the start of the assembler file */
-#define ASM_FILE_START(STREAM) \
-{ \
- fprintf (STREAM,"%srfp\t.req\t%sr9\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%ssl\t.req\t%sr10\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%sfp\t.req\t%sr11\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%sip\t.req\t%sr12\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%ssp\t.req\t%sr13\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%slr\t.req\t%sr14\n", REGISTER_PREFIX, REGISTER_PREFIX); \
- fprintf (STREAM,"%spc\t.req\t%sr15\n", REGISTER_PREFIX, REGISTER_PREFIX); \
+#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
-#define ASM_APP_ON ""
-#define ASM_APP_OFF ""
+#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 ".text"
-#define DATA_SECTION_ASM_OP ".data"
-#define BSS_SECTION_ASM_OP ".bss"
+#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
-#define REGISTER_PREFIX ""
-#define USER_LABEL_PREFIX "_"
-#define LOCAL_LABEL_PREFIX ""
/* The assembler's names for the registers. */
#ifndef REGISTER_NAMES
-#define 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" \
+ "cc", "sfp", "afp" \
}
#endif
/* Arm Assembler barfs on dollars */
#define DOLLARS_IN_IDENTIFIERS 0
-#define NO_DOLLAR_IN_LABEL
-
-/* DBX register number for a given compiler register number */
-#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+#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. */
+#ifndef DBX_DEBUGGING_INFO
#define DBX_DEBUGGING_INFO 1
+#endif
/* Acorn dbx moans about continuation chars, so don't use any. */
#ifndef DBX_CONTIN_LENGTH
/* 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 \"%s\",%d,0,315,%s\n", (NAME), N_SO, \
- <ext_label_name[1]); \
- text_section (); \
- ASM_OUTPUT_INTERNAL_LABEL (STREAM, "Ltext", 0); \
-} while (0)
+#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. */
-#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
- ASM_OUTPUT_LABEL(STREAM, NAME)
-
-#define ARM_OUTPUT_LABEL(STREAM,NAME) \
-do { \
- assemble_name (STREAM,NAME); \
- fputs (":\n", STREAM); \
-} while (0)
+#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
+#ifndef ASM_OUTPUT_LABEL
+#define ASM_OUTPUT_LABEL(STREAM, NAME) \
+ do \
+ { \
+ assemble_name (STREAM,NAME); \
+ fputs (":\n", STREAM); \
+ } \
+ while (0)
+#endif
+
/* Output a globalising directive for a label. */
-#define ASM_GLOBALIZE_LABEL(STREAM,NAME) \
- (fprintf (STREAM, "\t.global\t"), \
- assemble_name (STREAM, NAME), \
- fputc ('\n',STREAM)) \
+#ifndef ASM_GLOBALIZE_LABEL
+#define ASM_GLOBALIZE_LABEL(STREAM, NAME) \
+ do \
+ { \
+ fprintf (STREAM, "\t.global\t"); \
+ assemble_name (STREAM, NAME); \
+ fputc ('\n',STREAM); \
+ } \
+ while (0)
+#endif
/* Make an internal label into a string. */
+#ifndef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
- sprintf (STRING, "*%s%s%d", LOCAL_LABEL_PREFIX, PREFIX, NUM)
-
-/* Nothing special is done about jump tables */
-/* #define ASM_OUTPUT_CASE_LABEL(STREAM,PREFIX,NUM,TABLE) */
-/* #define ASM_OUTPUT_CASE_END(STREAM,NUM,TABLE) */
-
+ 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) \
+#define ASM_FORMAT_PRIVATE_NAME(OUTVAR, NAME, NUMBER) \
((OUTVAR) = (char *) alloca (strlen (NAME) + 10), \
- sprintf ((OUTVAR), "%s.%d", (NAME), (NUMBER)))
+ sprintf (OUTVAR, "%s.%d", NAME, NUMBER))
/* Output an element of a dispatch table. */
-#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM,VALUE) \
- fprintf (STREAM, "\t.word\t%sL%d\n", LOCAL_LABEL_PREFIX, VALUE)
+#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,VALUE,REL) \
- fprintf (STREAM, "\tb\t%sL%d\n", LOCAL_LABEL_PREFIX, (VALUE))
+#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \
+ asm_fprintf (STREAM, "\tb\t%LL%d\n", VALUE)
/* Output various types of constants. For real numbers we output hex, with
a comment containing the "human" value, this allows us to pass NaN's which
the riscix assembler doesn't understand (it also makes cross-assembling
less likely to fail). */
-#define ASM_OUTPUT_LONG_DOUBLE(STREAM,VALUE) \
-do { char dstr[30]; \
- long l[3]; \
- REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
- REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
- fprintf (STREAM, "\t.long 0x%lx,0x%lx,0x%lx\t%s long double %s\n", \
- l[0], l[1], l[2], ASM_COMMENT_START, dstr); \
- } while (0)
-
-
-#define ASM_OUTPUT_DOUBLE(STREAM, VALUE) \
-do { char dstr[30]; \
- long l[2]; \
- REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
- REAL_VALUE_TO_DECIMAL (VALUE, "%.14g", dstr); \
- fprintf (STREAM, "\t.long 0x%lx, 0x%lx\t%s double %s\n", l[0], \
- l[1], ASM_COMMENT_START, dstr); \
- } while (0)
-
-#define ASM_OUTPUT_FLOAT(STREAM, VALUE) \
-do { char dstr[30]; \
- long l; \
- REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
- REAL_VALUE_TO_DECIMAL (VALUE, "%.7g", dstr); \
- fprintf (STREAM, "\t.word 0x%lx\t%s float %s\n", l, \
- ASM_COMMENT_START, dstr); \
- } while (0);
-
-#define ASM_OUTPUT_INT(STREAM, EXP) \
- { \
- fprintf (STREAM, "\t.word\t"); \
- OUTPUT_INT_ADDR_CONST (STREAM, (EXP)); \
- fputc ('\n', STREAM); \
- }
-
-#define ASM_OUTPUT_SHORT(STREAM, EXP) \
- (fprintf (STREAM, "\t.short\t"), \
- output_addr_const (STREAM, (EXP)), \
- fputc ('\n', STREAM))
-
-#define ASM_OUTPUT_CHAR(STREAM, EXP) \
- (fprintf (STREAM, "\t.byte\t"), \
- output_addr_const (STREAM, (EXP)), \
- fputc ('\n', STREAM))
-
-#define ASM_OUTPUT_BYTE(STREAM, VALUE) \
- fprintf (STREAM, "\t.byte\t%d\n", VALUE)
-
+#define ASM_OUTPUT_LONG_DOUBLE(STREAM, VALUE) \
+ do \
+ { \
+ char dstr[30]; \
+ long l[3]; \
+ REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
+ REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \
+ asm_fprintf (STREAM, \
+ "\t.long 0x%lx,0x%lx,0x%lx\t%@ long double %s\n", \
+ l[0], l[1], l[2], dstr); \
+ } \
+ while (0)
+
+#define ASM_OUTPUT_DOUBLE(STREAM, VALUE) \
+ do \
+ { \
+ char dstr[30]; \
+ long l[2]; \
+ REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
+ REAL_VALUE_TO_DECIMAL (VALUE, "%.14g", dstr); \
+ asm_fprintf (STREAM, "\t.long 0x%lx, 0x%lx\t%@ double %s\n", l[0],\
+ l[1], dstr); \
+ } \
+ while (0)
+
+#define ASM_OUTPUT_FLOAT(STREAM, VALUE) \
+ do \
+ { \
+ char dstr[30]; \
+ long l; \
+ REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
+ REAL_VALUE_TO_DECIMAL (VALUE, "%.7g", dstr); \
+ asm_fprintf (STREAM, "\t.word 0x%lx\t%@ float %s\n", l, \
+ dstr); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \
- output_ascii_pseudo_op ((STREAM), (unsigned char *)(PTR), (LEN))
+ output_ascii_pseudo_op (STREAM, (const unsigned char *)(PTR), LEN)
/* Output a gap. In fact we fill it with nulls. */
-#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \
- fprintf (STREAM, "\t.space\t%d\n", NBYTES)
+#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. */
-#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)
+#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 */
-#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
- (fprintf (STREAM, "\t.comm\t"), \
- assemble_name ((STREAM), (NAME)), \
- fprintf(STREAM, ", %d\t%s %d\n", ROUNDED, ASM_COMMENT_START, SIZE))
-
-/* 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. */
-#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM,NAME,SIZE,ALIGN) \
- output_lcomm_directive (STREAM, NAME, SIZE, ALIGN)
-
+#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. */
-#define ASM_OUTPUT_ALIGNED_BSS(STREAM,DECL,NAME,SIZE,ALIGN) \
- asm_output_aligned_bss(STREAM, DECL, NAME, SIZE, ALIGN)
-
+#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) \
- fprintf (STREAM,"- - - ident %s\n",STRING)
-
-/* The assembler's parentheses characters. */
-#define ASM_OPEN_PAREN "("
-#define ASM_CLOSE_PAREN ")"
-
+ asm_fprintf (STREAM, "%@ - - - ident %s\n", STRING)
+#endif
+
#ifndef ASM_COMMENT_START
-#define ASM_COMMENT_START "@"
+#define ASM_COMMENT_START "@"
#endif
/* This works for GAS and some other assemblers. */
-#define SET_ASM_OP ".set"
-
-#include "arm/arm.h"
+#define SET_ASM_OP "\t.set\t"
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