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1 /* Definitions of target machine for GNU compiler.
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2 For ARM with COFF object format.
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3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005,
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4 2007 Free Software Foundation, Inc.
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5 Contributed by Doug Evans (devans@cygnus.com).
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6
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7 This file is part of GCC.
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8
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9 GCC is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published
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11 by the Free Software Foundation; either version 3, or (at your
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12 option) any later version.
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13
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14 GCC is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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17 License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with GCC; see the file COPYING3. If not see
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21 <http://www.gnu.org/licenses/>. */
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22
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23 /* Note - it is important that this definition matches the one in tcoff.h. */
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24 #undef USER_LABEL_PREFIX
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25 #define USER_LABEL_PREFIX "_"
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26
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27
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28 /* Run-time Target Specification. */
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29 #undef TARGET_VERSION
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30 #define TARGET_VERSION fputs (" (ARM/coff)", stderr)
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31
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32 #undef TARGET_DEFAULT_FLOAT_ABI
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33 #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT
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34
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35 #undef TARGET_DEFAULT
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36 #define TARGET_DEFAULT (MASK_APCS_FRAME)
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37
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38 #ifndef MULTILIB_DEFAULTS
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39 #define MULTILIB_DEFAULTS \
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40 { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork" }
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41 #endif
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42
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43 /* This is COFF, but prefer stabs. */
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44 #define SDB_DEBUGGING_INFO 1
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45
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46 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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47
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48
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49 #define TARGET_ASM_FILE_START_APP_OFF true
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50
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51 /* Switch into a generic section. */
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52 #define TARGET_ASM_NAMED_SECTION default_coff_asm_named_section
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53
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54 /* Support the ctors/dtors and other sections. */
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55
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56 #undef INIT_SECTION_ASM_OP
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57
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58 /* Define this macro if jump tables (for `tablejump' insns) should be
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59 output in the text section, along with the assembler instructions.
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60 Otherwise, the readonly data section is used. */
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61 /* We put ARM and Thumb-2 jump tables in the text section, because it makes
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62 the code more efficient, but for Thumb-1 it's better to put them out of
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63 band. */
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64 #define JUMP_TABLES_IN_TEXT_SECTION (TARGET_32BIT)
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65
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66 #undef READONLY_DATA_SECTION_ASM_OP
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67 #define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata"
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68 #undef CTORS_SECTION_ASM_OP
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69 #define CTORS_SECTION_ASM_OP "\t.section .ctors,\"x\""
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70 #undef DTORS_SECTION_ASM_OP
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71 #define DTORS_SECTION_ASM_OP "\t.section .dtors,\"x\""
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72
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73 /* Support the ctors/dtors sections for g++. */
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74
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75 /* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script. */
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76 #define CTOR_LISTS_DEFINED_EXTERNALLY
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77
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78 #undef DO_GLOBAL_CTORS_BODY
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79 #undef DO_GLOBAL_DTORS_BODY
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80
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81 /* The ARM development system defines __main. */
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82 #define NAME__MAIN "__gccmain"
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83 #define SYMBOL__MAIN __gccmain
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84
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85 #define SUPPORTS_INIT_PRIORITY 0
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