X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Farm%2Felf.h;fp=gcc%2Fconfig%2Farm%2Felf.h;h=7c3eddbe05845749832114ee5191f935907c9a88;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=1cab2c4e144fb2cf3ac4b5155484b150dfba49cb;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/arm/elf.h b/gcc/config/arm/elf.h index 1cab2c4e..7c3eddbe 100644 --- a/gcc/config/arm/elf.h +++ b/gcc/config/arm/elf.h @@ -1,26 +1,25 @@ /* 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 and Catherine Moore -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 + . */ #ifndef OBJECT_FORMAT_ELF #error elf.h included before elfos.h @@ -36,44 +35,53 @@ Boston, MA 02111-1307, USA. */ #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. */ @@ -81,34 +89,22 @@ Boston, MA 02111-1307, USA. */ #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. */ @@ -117,61 +113,24 @@ Boston, MA 02111-1307, USA. */ #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 +#define TARGET_ASM_FILE_START_APP_OFF true +#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true + -/* 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) - -#undef TARGET_ASM_NAMED_SECTION -#define TARGET_ASM_NAMED_SECTION arm_elf_asm_named_section - -#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 @@ -180,12 +139,6 @@ Boston, MA 02111-1307, USA. */ /* 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) \ @@ -196,4 +149,17 @@ Boston, MA 02111-1307, USA. */ } \ 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 +