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authorMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
committerMarc Espie <espie@cvs.openbsd.org>1999-05-26 13:38:57 +0000
commit0126e157b87f137fc08dc7f46f6c291b9d06ac5d (patch)
treef8555e3e504eb82b4cd3cba5cec20ae4ce8124ff /gnu/egcs/gcc/defaults.h
parentff8e9a4356e55ed142306c3a375fa280800abc86 (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.h156
1 files changed, 156 insertions, 0 deletions
diff --git a/gnu/egcs/gcc/defaults.h b/gnu/egcs/gcc/defaults.h
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+/* 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