diff options
Diffstat (limited to 'gcc_arm/config/arm/aout.h')
| -rwxr-xr-x | gcc_arm/config/arm/aout.h | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/gcc_arm/config/arm/aout.h b/gcc_arm/config/arm/aout.h new file mode 100755 index 0000000..42a12ea --- /dev/null +++ b/gcc_arm/config/arm/aout.h @@ -0,0 +1,323 @@ +/* Definitions of target machine for GNU compiler, for ARM with a.out + Copyright (C) 1995, 1996, 1997, 1998 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) \ +{ \ + 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); \ +} +#endif + +#define ASM_APP_ON "" +#define ASM_APP_OFF "" + +/* 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" + +/* 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 + +#define NO_DOLLAR_IN_LABEL + +/* DBX register number for a given compiler register number */ +#define DBX_REGISTER_NUMBER(REGNO) (REGNO) + +/* 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 \"%s\",%d,0,315,%s\n", (NAME), 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) ASM_OUTPUT_LABEL (STREAM, NAME) +#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. */ +#ifndef ASM_GLOBALIZE_LABEL +#define ASM_GLOBALIZE_LABEL(STREAM,NAME) \ + (fprintf (STREAM, "\t.global\t"), \ + assemble_name (STREAM, NAME), \ + fputc ('\n',STREAM)) +#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) +#endif + +/* Nothing special is done about jump tables */ +/* #define ASM_OUTPUT_CASE_LABEL(STREAM,PREFIX,NUM,TABLE) */ +/* #define ASM_OUTPUT_CASE_END(STREAM,NUM,TABLE) */ + +/* 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) \ + fprintf (STREAM, "\t.word\t%sL%d\n", LOCAL_LABEL_PREFIX, VALUE) + +#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM,BODY,VALUE,REL) \ + fprintf (STREAM, "\tb\t%sL%d\n", LOCAL_LABEL_PREFIX, (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]; \ + /* CYGNUS LOCAL */ \ + arm_increase_location (12); \ + /* END CYGNUS LOCAL */ \ + 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]; \ + /* CYGNUS LOCAL */ \ + arm_increase_location (8); \ + /* END CYGNUS LOCAL */ \ + 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; \ + /* CYGNUS LOCAL */ \ + arm_increase_location (4); \ + /* END CYGNUS LOCAL */ \ + 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)); \ + /* CYGNUS LOCAL */ \ + arm_increase_location (4), \ + /* END CYGNUS LOCAL */ \ + fputc ('\n', STREAM); \ + } + +#define ASM_OUTPUT_SHORT(STREAM, EXP) \ + (fprintf (STREAM, "\t.short\t"), \ + output_addr_const (STREAM, (EXP)), \ + /* CYGNUS LOCAL */ \ + arm_increase_location (2), \ + /* END CYGNUS LOCAL */ \ + fputc ('\n', STREAM)) + +#define ASM_OUTPUT_CHAR(STREAM, EXP) \ + (fprintf (STREAM, "\t.byte\t"), \ + output_addr_const (STREAM, (EXP)), \ + /* CYGNUS LOCAL */ \ + arm_increase_location (1), \ + /* END CYGNUS LOCAL */ \ + fputc ('\n', STREAM)) + +#define ASM_OUTPUT_BYTE(STREAM, VALUE) \ + /* CYGNUS LOCAL */ \ + (fprintf (STREAM, "\t.byte\t%d\n", VALUE), \ + arm_increase_location (1)) + /* END CYGNUS LOCAL */ + +#define ASM_OUTPUT_ASCII(STREAM, PTR, LEN) \ + output_ascii_pseudo_op ((STREAM), (unsigned char *)(PTR), (LEN)) + +/* Output a gap. In fact we fill it with nulls. */ +#define ASM_OUTPUT_SKIP(STREAM, NBYTES) \ + /* CYGNUS LOCAL */ \ + (arm_increase_location (NBYTES), \ + fprintf (STREAM, "\t.space\t%d\n", NBYTES)) \ + /* END CYGNUS LOCAL */ + +/* Align output to a power of two. Horrible /bin/as. */ +#define ASM_OUTPUT_ALIGN(STREAM, POWER) \ + do \ + { \ + register int amount = 1 << (POWER); \ + /* CYGNUS LOCAL */ \ + extern int arm_text_location; \ + /* END CYGNUS LOCAL */ \ + \ + if (amount == 2) \ + fprintf (STREAM, "\t.even\n"); \ + else if (amount != 1) \ + fprintf (STREAM, "\t.align\t%d\n", amount - 4); \ + \ + /* CYGNUS LOCAL */ \ + if (in_text_section ()) \ + arm_text_location = ((arm_text_location + amount - 1) \ + & ~(amount - 1)); \ + /* END CYGNUS LOCAL */ \ + } while (0) + +/* Output a common block */ +#ifndef ASM_OUTPUT_COMMON +#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)) +#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) \ + fprintf (STREAM, "%s - - - ident %s\n", ASM_COMMENT_START, STRING) +#endif + +/* The assembler's parentheses characters. */ +#define ASM_OPEN_PAREN "(" +#define ASM_CLOSE_PAREN ")" + +#ifndef 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" |