/* elfos.h -- operating system specific defines to be used when
targeting GCC for some generic ELF system
- Copyright (C) 1991, 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1991, 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2007 Free Software Foundation, Inc.
Based on svr4.h contributed by Ron Guilmette (rfg@netcom.com).
This file is part of GCC.
GCC 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)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#define TARGET_OBJFMT_CPP_BUILTINS() \
do \
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
-/* Biggest alignment supported by the object file format of this
- machine. Use this macro to limit the alignment which can be
- specified using the `__attribute__ ((aligned (N)))' construct. If
- not defined, the default value is `BIGGEST_ALIGNMENT'. */
+/* The biggest alignment supported by ELF in bits. 32-bit ELF
+ supports section alignment up to (0x80000000 * 8), while
+ 64-bit ELF supports (0x8000000000000000 * 8). If this macro
+ is not defined, the default is the largest alignment supported
+ by 32-bit ELF and representable on a 32-bit host. Use this
+ macro to limit the alignment which can be specified using
+ the `__attribute__ ((aligned (N)))' construct. */
#ifndef MAX_OFILE_ALIGNMENT
-#define MAX_OFILE_ALIGNMENT (32768 * 8)
+#define MAX_OFILE_ALIGNMENT (((unsigned int) 1 << 28) * 8)
#endif
/* Use periods rather than dollar signs in special g++ assembler names. */
#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
do \
{ \
- register const unsigned char *_ascii_bytes = \
+ const unsigned char *_ascii_bytes = \
(const unsigned char *) (STR); \
- register const unsigned char *limit = _ascii_bytes + (LENGTH); \
- register unsigned bytes_in_chunk = 0; \
+ const unsigned char *limit = _ascii_bytes + (LENGTH); \
+ const unsigned char *last_null = NULL; \
+ unsigned bytes_in_chunk = 0; \
\
for (; _ascii_bytes < limit; _ascii_bytes++) \
{ \
- register const unsigned char *p; \
+ const unsigned char *p; \
\
if (bytes_in_chunk >= 60) \
{ \
bytes_in_chunk = 0; \
} \
\
- for (p = _ascii_bytes; p < limit && *p != '\0'; p++) \
- continue; \
+ if (_ascii_bytes > last_null) \
+ { \
+ for (p = _ascii_bytes; p < limit && *p != '\0'; p++) \
+ continue; \
+ last_null = p; \
+ } \
+ else \
+ p = last_null; \
\
if (p < limit && (p - _ascii_bytes) <= (long)STRING_LIMIT) \
{ \
fprintf ((FILE), "\"\n"); \
} \
while (0)
+
+/* Allow the use of the -frecord-gcc-switches switch via the
+ elf_record_gcc_switches function defined in varasm.c. */
+#undef TARGET_ASM_RECORD_GCC_SWITCHES
+#define TARGET_ASM_RECORD_GCC_SWITCHES elf_record_gcc_switches
+
+/* A C statement (sans semicolon) to output to the stdio stream STREAM
+ any text necessary for declaring the name of an external symbol
+ named NAME which is referenced in this compilation but not defined.
+ It is needed to properly support non-default visibility. */
+
+#ifndef ASM_OUTPUT_EXTERNAL
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ default_elf_asm_output_external (FILE, DECL, NAME)
+#endif
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