diff options
author | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
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committer | Marc Espie <espie@cvs.openbsd.org> | 1999-05-26 13:38:57 +0000 |
commit | 0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch) | |
tree | f8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/gcc/defaults.h | |
parent | ff8e9a4356e55ed142306c3a375fa280800abc86 (diff) |
egcs projects compiler system
Exact copy of the snapshot, except for the removal of
texinfo/
gcc/ch/
libchill/
Diffstat (limited to 'gnu/egcs/gcc/defaults.h')
-rw-r--r-- | gnu/egcs/gcc/defaults.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gnu/egcs/gcc/defaults.h b/gnu/egcs/gcc/defaults.h new file mode 100644 index 00000000000..a0e3bfca57a --- /dev/null +++ b/gnu/egcs/gcc/defaults.h @@ -0,0 +1,156 @@ +/* Definitions of various defaults for how to do assembler output + (most of which are designed to be appropriate for GAS or for + some BSD assembler). + Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc. + Contributed by Ron Guilmette (rfg@monkeys.com) + +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. */ + +/* Store in OUTPUT a string (made with alloca) containing + an assembler-name for a local static variable or function named NAME. + LABELNO is an integer which is different for each call. */ + +#ifndef ASM_FORMAT_PRIVATE_NAME +#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ + do { \ + int len = strlen (NAME); \ + char *temp = (char *) alloca (len + 3); \ + temp[0] = 'L'; \ + strcpy (&temp[1], (NAME)); \ + temp[len + 1] = '.'; \ + temp[len + 2] = 0; \ + (OUTPUT) = (char *) alloca (strlen (NAME) + 11); \ + ASM_GENERATE_INTERNAL_LABEL (OUTPUT, temp, LABELNO); \ + } while (0) +#endif + +#ifndef ASM_STABD_OP +#define ASM_STABD_OP ".stabd" +#endif + +/* This is how to output an element of a case-vector that is absolute. + Some targets don't use this, but we have to define it anyway. */ + +#ifndef ASM_OUTPUT_ADDR_VEC_ELT +#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ +do { fprintf (FILE, "\t%s\t", ASM_LONG); \ + ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \ + fputc ('\n', FILE); \ + } while (0) +#endif + +/* choose a reasonable default for ASM_OUTPUT_ASCII. */ + +#ifndef ASM_OUTPUT_ASCII +#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ + do { \ + FILE *_hide_asm_out_file = (MYFILE); \ + unsigned char *_hide_p = (unsigned char *) (MYSTRING); \ + int _hide_thissize = (MYLENGTH); \ + { \ + FILE *asm_out_file = _hide_asm_out_file; \ + unsigned char *p = _hide_p; \ + int thissize = _hide_thissize; \ + int i; \ + fprintf (asm_out_file, "\t.ascii \""); \ + \ + for (i = 0; i < thissize; i++) \ + { \ + register int c = p[i]; \ + if (c == '\"' || c == '\\') \ + putc ('\\', asm_out_file); \ + if (c >= ' ' && c < 0177) \ + putc (c, asm_out_file); \ + else \ + { \ + fprintf (asm_out_file, "\\%o", c); \ + /* After an octal-escape, if a digit follows, \ + terminate one string constant and start another. \ + The Vax assembler fails to stop reading the escape \ + after three digits, so this is the only way we \ + can get it to parse the data properly. */ \ + if (i < thissize - 1 \ + && p[i + 1] >= '0' && p[i + 1] <= '9') \ + fprintf (asm_out_file, "\"\n\t.ascii \""); \ + } \ + } \ + fprintf (asm_out_file, "\"\n"); \ + } \ + } \ + while (0) +#endif + +#ifndef ASM_IDENTIFY_GCC + /* Default the definition, only if ASM_IDENTIFY_GCC is not set, + because if it is set, we might not want ASM_IDENTIFY_LANGUAGE + outputting labels, if we do want it to, then it must be defined + in the tm.h file. */ +#ifndef ASM_IDENTIFY_LANGUAGE +#define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE); +#endif +#endif + +/* This is how we tell the assembler to equate two values. */ +#ifdef SET_ASM_OP +#ifndef ASM_OUTPUT_DEF +#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ + do { fprintf ((FILE), "\t%s\t", SET_ASM_OP); \ + assemble_name (FILE, LABEL1); \ + fprintf (FILE, ","); \ + assemble_name (FILE, LABEL2); \ + fprintf (FILE, "\n"); \ + } while (0) +#endif +#endif + +/* This is how to output a reference to a user-level label named NAME. */ + +#ifndef ASM_OUTPUT_LABELREF +#define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME)) +#endif + +/* This determines whether or not we support weak symbols. */ +#ifndef SUPPORTS_WEAK +#ifdef ASM_WEAKEN_LABEL +#define SUPPORTS_WEAK 1 +#else +#define SUPPORTS_WEAK 0 +#endif +#endif + +/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to + provide a weak attribute. Else define it to nothing. + + This would normally belong in gansidecl.h, but SUPPORTS_WEAK is + not available at that time. + + Note, this is only for use by target files which we know are to be + compiled by GCC. */ +#ifndef TARGET_ATTRIBUTE_WEAK +# if SUPPORTS_WEAK +# define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak)) +# else +# define TARGET_ATTRIBUTE_WEAK +# endif +#endif + +/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that + the rest of the DWARF 2 frame unwind support is also provided. */ +#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) +#define DWARF2_UNWIND_INFO 1 +#endif |