/* 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
+ Copyright (C) 1991, 1994, 1995, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Based on svr4.h contributed by Ron Guilmette (rfg@netcom.com).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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. */
-
+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. */
+
+#define TARGET_OBJFMT_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__ELF__"); \
+ } \
+ while (0)
/* Define a symbol indicating that we are using elfos.h.
Some CPU specific configuration files use this. */
#define NO_DOLLAR_IN_LABEL
-/* Writing `int' for a bitfield forces int alignment for the structure. */
+/* Writing `int' for a bit-field forces int alignment for the structure. */
+#ifndef PCC_BITFIELD_TYPE_MATTERS
#define PCC_BITFIELD_TYPE_MATTERS 1
-
-/* Implicit library calls should use memcpy, not bcopy, etc. */
-
-#define TARGET_MEM_FUNCTIONS
+#endif
/* Handle #pragma weak and #pragma pack. */
-#define HANDLE_SYSV_PRAGMA
-
-/* System V Release 4 uses DWARF debugging info. */
-
-#ifndef DWARF_DEBUGGING_INFO
-#define DWARF_DEBUGGING_INFO 1
-#endif
+#define HANDLE_SYSV_PRAGMA 1
/* All ELF targets can support DWARF-2. */
-#ifndef DWARF2_DEBUGGING_INFO
#define DWARF2_DEBUGGING_INFO 1
-#endif
/* The GNU tools operate better with dwarf2, and it is required by some
psABI's. Since we don't have any native tools to be compatible with,
#undef SET_ASM_OP
#define SET_ASM_OP "\t.set\t"
-/* This is how to begin an assembly language file. Most svr4 assemblers want
- at least a .file directive to come first, and some want to see a .version
- directive come right after that. Here we just establish a default
- which generates only the .file directive. If you need a .version
- directive for any specific target, you should override this definition
- in the target-specific file which includes this one. */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
- output_file_directive ((FILE), main_input_filename)
+/* Most svr4 assemblers want a .file directive at the beginning of
+ their input file. */
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
/* This is how to allocate empty space in some section. The .zero
pseudo-op is used for this on most svr4 assemblers. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE, SIZE) \
- fprintf (FILE, "%s%u\n", SKIP_ASM_OP, (SIZE))
-
-/* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
-
- For most svr4 systems, the convention is that any symbol which begins
- with a period is not put into the linker symbol table by the assembler. */
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE, PREFIX, NUM) \
- do \
- { \
- fprintf (FILE, ".%s%u:\n", PREFIX, (unsigned) (NUM)); \
- } \
- while (0)
+ fprintf ((FILE), "%s"HOST_WIDE_INT_PRINT_UNSIGNED"\n",\
+ SKIP_ASM_OP, (SIZE))
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
do \
{ \
ASM_OUTPUT_BEFORE_CASE_LABEL (FILE, PREFIX, NUM, JUMPTABLE) \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM); \
+ (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM); \
} \
while (0)
in each assembly file where they are referenced. */
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
- ASM_GLOBALIZE_LABEL (FILE, XSTR (FUN, 0))
+ (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0))
/* This says how to output assembler code to declare an
uninitialized external linkage data object. Under SVR4,
{ \
fprintf ((FILE), "%s", COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ (SIZE), (ALIGN) / BITS_PER_UNIT); \
} \
while (0)
#endif
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
-
+
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
#define TARGET_ASM_SELECT_RTX_SECTION default_elf_select_rtx_section
#undef TARGET_ASM_SELECT_SECTION
#define TARGET_ASM_SELECT_SECTION default_elf_select_section
+#undef TARGET_HAVE_SWITCHABLE_BSS_SECTIONS
+#define TARGET_HAVE_SWITCHABLE_BSS_SECTIONS true
/* Define the strings used for the special svr4 .type and .size directives.
These strings generally do not vary from one system running svr4 to
/* This is how we tell the assembler that a symbol is weak. */
-#define ASM_WEAKEN_LABEL(FILE, NAME) \
+#define ASM_WEAKEN_LABEL(FILE, NAME) \
do \
{ \
fputs ("\t.weak\t", (FILE)); \
- assemble_name ((FILE), (NAME)); \
+ assemble_name ((FILE), (NAME)); \
fputc ('\n', (FILE)); \
} \
while (0)
size_directive_output was set
by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
+#undef ASM_FINISH_DECLARE_OBJECT
#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)\
do \
{ \
const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
HOST_WIDE_INT size; \
- \
+ \
if (!flag_inhibit_size_directive \
&& DECL_SIZE (DECL) \
&& ! AT_END && TOP_LEVEL \
generated assembly code more compact (and thus faster to assemble)
as well as more readable, especially for targets like the i386
(where the only alternative is to output character sequences as
- comma separated lists of numbers). */
+ comma separated lists of numbers). */
#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
do \
register const unsigned char *_limited_str = \
(const unsigned char *) (STR); \
register unsigned ch; \
- \
+ \
fprintf ((FILE), "%s\"", STRING_ASM_OP); \
- \
+ \
for (; (ch = *_limited_str); _limited_str++) \
{ \
register int escape; \
- \
+ \
switch (escape = ESCAPES[ch]) \
{ \
case 0: \
break; \
} \
} \
- \
+ \
fprintf ((FILE), "\"\n"); \
} \
while (0)
#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) \
{ \
fprintf ((FILE), "\"\n"); \
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) \
{ \
if (bytes_in_chunk > 0) \
fprintf ((FILE), "\"\n"); \
bytes_in_chunk = 0; \
} \
- \
+ \
ASM_OUTPUT_LIMITED_STRING ((FILE), _ascii_bytes); \
_ascii_bytes = p; \
} \
{ \
register int escape; \
register unsigned ch; \
- \
+ \
if (bytes_in_chunk == 0) \
fprintf ((FILE), "%s\"", ASCII_DATA_ASM_OP); \
- \
+ \
switch (escape = ESCAPES[ch = *_ascii_bytes]) \
{ \
case 0: \
} \
} \
} \
- \
+ \
if (bytes_in_chunk > 0) \
fprintf ((FILE), "\"\n"); \
} \
OSDN Git Service
