NetBSD/gnu/usr.bin/gcc/common/defaults.h
phil 34527405c3 Import gcc-2.7.2. Since it is in the gcc directory instead of the gcc2
directory, this is being done now.  We will live with two trees until
the "formal" switch over by changing src/gnu/usr.bin/Makefile.
1995-12-01 17:58:53 +00:00

144 lines
4.9 KiB
C

/* 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).
Written by Ron Guilmette (rfg@netcom.com)
Copyright (C) 1992 Free Software Foundation, Inc.
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
/* This is how to output an element of a case-vector that is relative.
Some targets don't use this, but we have to define it anyway. */
#ifndef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
do { fprintf (FILE, "\t%s\t", ASM_SHORT); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \
fputc ('-', FILE); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (REL)); \
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 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