/* Definitions of target machine for GNU compiler. For ARM with COFF object format. Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. Contributed by Doug Evans (devans@cygnus.com). This file is part of GNU CC. 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. 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. 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. */ /* Note - it is important that this definition matches the one in tcoff.h */ #undef USER_LABEL_PREFIX #define USER_LABEL_PREFIX "_" /* Run-time Target Specification. */ #undef TARGET_VERSION #define TARGET_VERSION fputs (" (ARM/coff)", stderr) #undef TARGET_DEFAULT #define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME) #ifndef MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS \ { "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork" } #endif /* This is COFF, but prefer stabs. */ #define SDB_DEBUGGING_INFO #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG #include "dbxcoff.h" /* A C statement to output assembler commands which will identify the object file as having been compiled with GNU CC (or another GNU compiler). */ /* This outputs a lot of .req's to define alias for various registers. Let's try to avoid this. */ #undef ASM_FILE_START #define ASM_FILE_START(STREAM) \ do \ { \ fprintf (STREAM, "%s Generated by gcc %s for ARM/coff\n", \ ASM_COMMENT_START, version_string); \ fprintf (STREAM, ASM_APP_OFF); \ } \ while (0) /* Switch into a generic section. */ #define TARGET_ASM_NAMED_SECTION default_coff_asm_named_section /* Support the ctors/dtors and other sections. */ #undef INIT_SECTION_ASM_OP /* 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) #undef READONLY_DATA_SECTION #define READONLY_DATA_SECTION rdata_section #undef RDATA_SECTION_ASM_OP #define RDATA_SECTION_ASM_OP "\t.section .rdata" #undef CTORS_SECTION_ASM_OP #define CTORS_SECTION_ASM_OP "\t.section .ctors,\"x\"" #undef DTORS_SECTION_ASM_OP #define DTORS_SECTION_ASM_OP "\t.section .dtors,\"x\"" /* A list of other sections which the compiler might be "in" at any given time. */ #undef EXTRA_SECTIONS #define EXTRA_SECTIONS SUBTARGET_EXTRA_SECTIONS in_rdata #define SUBTARGET_EXTRA_SECTIONS /* A list of extra section function definitions. */ #undef EXTRA_SECTION_FUNCTIONS #define EXTRA_SECTION_FUNCTIONS \ RDATA_SECTION_FUNCTION \ SUBTARGET_EXTRA_SECTION_FUNCTIONS #define SUBTARGET_EXTRA_SECTION_FUNCTIONS #define RDATA_SECTION_FUNCTION \ void \ rdata_section () \ { \ if (in_section != in_rdata) \ { \ fprintf (asm_out_file, "%s\n", RDATA_SECTION_ASM_OP); \ in_section = in_rdata; \ } \ } /* Support the ctors/dtors sections for g++. */ /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script. */ #define CTOR_LISTS_DEFINED_EXTERNALLY #undef DO_GLOBAL_CTORS_BODY #undef DO_GLOBAL_DTORS_BODY /* The ARM development system defines __main. */ #define NAME__MAIN "__gccmain" #define SYMBOL__MAIN __gccmain #define SUPPORTS_INIT_PRIORITY 0