/* Definitions of target machine for GNU compiler.
For ARM with ELF obj format.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007,
+ 2008 Free Software Foundation, Inc.
Contributed by Philip Blundell <philb@gnu.org> and
Catherine Moore <clm@cygnus.com>
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
+ by 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, but WITHOUT
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, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef OBJECT_FORMAT_ELF
#error elf.h included before elfos.h
#ifndef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \
- { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC },
+ { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \
+ SUBSUBTARGET_EXTRA_SPECS
#endif
#ifndef SUBTARGET_EXTRA_ASM_SPEC
#ifndef SUBTARGET_ASM_FLOAT_SPEC
#define SUBTARGET_ASM_FLOAT_SPEC "\
-%{mapcs-float:-mfloat} %{msoft-float:-mno-fpu}"
+%{mapcs-float:-mfloat}"
#endif
+#undef SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS
+
#ifndef ASM_SPEC
#define ASM_SPEC "\
%{mbig-endian:-EB} \
%{mapcs-*:-mapcs-%*} \
%(subtarget_asm_float_spec) \
%{mthumb-interwork:-mthumb-interwork} \
+%{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
+%{mfloat-abi=*} %{mfpu=*} \
%(subtarget_extra_asm_spec)"
#endif
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
ASM_OUTPUT_LABEL(FILE, NAME); \
+ ARM_OUTPUT_FN_UNWIND (FILE, TRUE); \
} \
while (0)
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do \
{ \
- ARM_DECLARE_FUNCTION_SIZE (FILE, FNAME, DECL); \
+ ARM_OUTPUT_FN_UNWIND (FILE, FALSE); \
if (!flag_inhibit_size_directive) \
ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
} \
/* Define this macro if jump tables (for `tablejump' insns) should be
output in the text section, along with the assembler instructions.
Otherwise, the readonly data section is used. */
-/* We put ARM jump tables in the text section, because it makes the code
- more efficient, but for Thumb it's better to put them out of band. */
-#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_ARM)
+/* We put ARM and Thumb-2 jump tables in the text section, because it makes
+ the code more efficient, but for Thumb-1 it's better to put them out of
+ band unless we are generating compressed tables. */
+#define JUMP_TABLES_IN_TEXT_SECTION \
+ (TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic)))
#ifndef LINK_SPEC
#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
#endif
#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME)
+#define TARGET_DEFAULT (MASK_APCS_FRAME)
#endif
#ifndef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS \
- { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
+ { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork", "fno-leading-underscore" }
#endif
\f
-
-/* This outputs a lot of .req's to define alias for various registers.
- Let's try to avoid this. */
-#ifndef ASM_FILE_START
-#define ASM_FILE_START(STREAM) \
- do \
- { \
- fprintf (STREAM, "%s Generated by gcc %s for ARM/elf\n", \
- ASM_COMMENT_START, version_string); \
- output_file_directive (STREAM, main_input_filename); \
- fprintf (STREAM, ASM_APP_OFF); \
- } \
- while (0)
-#endif
+#define TARGET_ASM_FILE_START_APP_OFF true
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
\f
-#undef TARGET_ASM_NAMED_SECTION
-#define TARGET_ASM_NAMED_SECTION arm_elf_asm_named_section
-\f
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_ALIGNED_COMMON(STREAM, NAME, SIZE, ALIGN) \
- do \
- { \
- fprintf (STREAM, "\t.comm\t"); \
- assemble_name (STREAM, NAME); \
- fprintf (STREAM, ", %d, %d\n", SIZE, ALIGN); \
- } \
- while (0)
+
+/* Output an element in the static constructor array. */
+#undef TARGET_ASM_CONSTRUCTOR
+#define TARGET_ASM_CONSTRUCTOR arm_elf_asm_constructor
+
+#undef TARGET_ASM_DESTRUCTOR
+#define TARGET_ASM_DESTRUCTOR arm_elf_asm_destructor
/* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */
#define NEED_PLT_RELOC flag_pic
/* The ELF assembler handles GOT addressing differently to NetBSD. */
#define GOT_PCREL 0
-/* 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'. */
-#define MAX_OFILE_ALIGNMENT (32768 * 8)
-
/* Align output to a power of two. Note ".align 0" is redundant,
and also GAS will treat it as ".align 2" which we do not want. */
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
} \
while (0)
-#define SUPPORTS_INIT_PRIORITY 1
+/* Horrible hack: We want to prevent some libgcc routines being included
+ for some multilibs. */
+#ifndef __ARM_ARCH_6M__
+#undef L_fixdfsi
+#undef L_fixunsdfsi
+#undef L_truncdfsf2
+#undef L_fixsfsi
+#undef L_fixunssfsi
+#undef L_floatdidf
+#undef L_floatdisf
+#undef L_floatundidf
+#undef L_floatundisf
+#endif
+
OSDN Git Service
