/* 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>
-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
-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.
+ 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 3, 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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ 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_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \
+ { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \
+ SUBSUBTARGET_EXTRA_SPECS
#endif
#ifndef SUBTARGET_EXTRA_ASM_SPEC
#define SUBTARGET_EXTRA_ASM_SPEC ""
#endif
+#ifndef SUBTARGET_ASM_FLOAT_SPEC
+#define SUBTARGET_ASM_FLOAT_SPEC "\
+%{mapcs-float:-mfloat}"
+#endif
+
+#undef SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS
+
#ifndef ASM_SPEC
#define ASM_SPEC "\
%{mbig-endian:-EB} \
-%{mcpu=*:-m%*} \
-%{march=*:-m%*} \
+%{mlittle-endian:-EL} \
+%{mcpu=*:-mcpu=%*} \
+%{march=*:-march=%*} \
%{mapcs-*:-mapcs-%*} \
-%{mapcs-float:-mfloat} \
-%{msoft-float:-mno-fpu} \
+%(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
/* The ARM uses @ are a comment character so we need to redefine
TYPE_OPERAND_FMT. */
#undef TYPE_OPERAND_FMT
-#define TYPE_OPERAND_FMT "%s"
+#define TYPE_OPERAND_FMT "%%%s"
/* We might need a ARM specific header to function declarations. */
#undef ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
- do \
- { \
- ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL); \
- fprintf (FILE, "%s", TYPE_ASM_OP); \
- assemble_name (FILE, NAME); \
- putc (',', FILE); \
- fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
- putc ('\n', FILE); \
- ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
- ASM_OUTPUT_LABEL(FILE, NAME); \
- } \
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL); \
+ 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)
/* We might need an ARM specific trailer for function declarations. */
#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) \
- { \
- char label[256]; \
- static int labelno; \
- labelno ++; \
- ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, (FNAME)); \
- fprintf (FILE, ","); \
- assemble_name (FILE, label); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, (FNAME)); \
- putc ('\n', FILE); \
- } \
+ ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
} \
while (0)
/* 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. */
+#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_32BIT)
#ifndef LINK_SPEC
-#define LINK_SPEC "%{mbig-endian:-EB} -X"
+#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
#endif
/* Run-time Target Specification. */
#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
+#define TARGET_ASM_FILE_START_APP_OFF true
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+\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
+/* Output an element in the static constructor array. */
+#undef TARGET_ASM_CONSTRUCTOR
+#define TARGET_ASM_CONSTRUCTOR arm_elf_asm_constructor
-/* Output an internal label definition. */
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(STREAM, PREFIX, NUM) \
- do \
- { \
- char * s = (char *) alloca (40 + strlen (PREFIX)); \
- extern int arm_target_label, arm_ccfsm_state; \
- extern rtx arm_target_insn; \
- \
- if (arm_ccfsm_state == 3 && arm_target_label == (NUM) \
- && !strcmp (PREFIX, "L")) \
- { \
- arm_ccfsm_state = 0; \
- arm_target_insn = NULL; \
- } \
- ASM_GENERATE_INTERNAL_LABEL (s, (PREFIX), (NUM)); \
- ASM_OUTPUT_LABEL (STREAM, s); \
- } \
- while (0)
-\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)
+#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
+
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