projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| b355a481 | 1 | /* Definitions for non-Linux based ARM systems using ELF |
| 2f83c7d6 | 2 | Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007 |
| c9280dfe | 3 | Free Software Foundation, Inc. |
| b355a481 NC |
4 | Contributed by Catherine Moore <clm@cygnus.com> |
| 5 | ||
| 4f448245 | 6 | This file is part of GCC. |
| b355a481 | 7 | |
| 4f448245 NC |
8 | GCC is free software; you can redistribute it and/or modify it |
| 9 | under the terms of the GNU General Public License as published | |
| 2f83c7d6 | 10 | by the Free Software Foundation; either version 3, or (at your |
| 4f448245 | 11 | option) any later version. |
| b355a481 | 12 | |
| 4f448245 NC |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT |
| 14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 16 | License for more details. | |
| b355a481 | 17 | |
| 4f448245 | 18 | You should have received a copy of the GNU General Public License |
| 2f83c7d6 NC |
19 | along with GCC; see the file COPYING3. If not see |
| 20 | <http://www.gnu.org/licenses/>. */ | |
| b355a481 | 21 | |
| be393ecf NC |
22 | /* elfos.h should have already been included. Now just override |
| 23 | any conflicting definitions and add any extras. */ | |
| 24 | ||
| b355a481 | 25 | /* Run-time Target Specification. */ |
| e6592fff | 26 | #ifndef TARGET_VERSION |
| 7b07d808 | 27 | #define TARGET_VERSION fputs (" (ARM/ELF)", stderr); |
| e6592fff | 28 | #endif |
| b355a481 | 29 | |
| 61f0ccff | 30 | /* Default to using software floating point. */ |
| 0122a613 | 31 | #ifndef TARGET_DEFAULT |
| 3d8532aa | 32 | #define TARGET_DEFAULT (0) |
| 0122a613 | 33 | #endif |
| b355a481 NC |
34 | |
| 35 | /* Now we define the strings used to build the spec file. */ | |
| be393ecf NC |
36 | #undef STARTFILE_SPEC |
| 37 | #define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s" | |
| b355a481 | 38 | |
| be393ecf NC |
39 | #undef ENDFILE_SPEC |
| 40 | #define ENDFILE_SPEC "crtend%O%s crtn%O%s" | |
| b355a481 | 41 | |
| be393ecf NC |
42 | /* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S |
| 43 | to see if it needs to invoked _init() and _fini(). */ | |
| 44 | #undef SUBTARGET_CPP_SPEC | |
| 4e2e315f | 45 | #define SUBTARGET_CPP_SPEC "-D__USES_INITFINI__" |
| b355a481 | 46 | |
| be393ecf | 47 | #undef PREFERRED_DEBUGGING_TYPE |
| b355a481 NC |
48 | #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG |
| 49 | ||
| 825dda42 | 50 | /* Return a nonzero value if DECL has a section attribute. */ |
| a56e7c08 NC |
51 | #define IN_NAMED_SECTION(DECL) \ |
| 52 | ((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \ | |
| 53 | && DECL_SECTION_NAME (DECL) != NULL_TREE) | |
| 54 | ||
| a56e7c08 NC |
55 | #undef ASM_OUTPUT_ALIGNED_BSS |
| 56 | #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 57 | do \ | |
| 58 | { \ | |
| 59 | if (IN_NAMED_SECTION (DECL)) \ | |
| d6b5193b | 60 | switch_to_section (get_named_section (DECL, NULL, 0)); \ |
| a56e7c08 | 61 | else \ |
| d6b5193b | 62 | switch_to_section (bss_section); \ |
| a56e7c08 | 63 | \ |
| a56e7c08 NC |
64 | ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ |
| 65 | \ | |
| 66 | last_assemble_variable_decl = DECL; \ | |
| 67 | ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \ | |
| 58e15542 | 68 | ASM_OUTPUT_SKIP (FILE, SIZE ? (int)(SIZE) : 1); \ |
| a56e7c08 NC |
69 | } \ |
| 70 | while (0) | |
| 71 | ||
| 72 | #undef ASM_OUTPUT_ALIGNED_DECL_LOCAL | |
| 73 | #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 74 | do \ | |
| 75 | { \ | |
| 648f5f04 | 76 | if ((DECL) != NULL && IN_NAMED_SECTION (DECL)) \ |
| d6b5193b | 77 | switch_to_section (get_named_section (DECL, NULL, 0)); \ |
| a56e7c08 | 78 | else \ |
| d6b5193b | 79 | switch_to_section (bss_section); \ |
| a56e7c08 NC |
80 | \ |
| 81 | ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 82 | ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 58e15542 | 83 | fprintf (FILE, "\t.space\t%d\n", SIZE ? (int)(SIZE) : 1); \ |
| a56e7c08 NC |
84 | } \ |
| 85 | while (0) | |
| b355a481 | 86 | |
| 0122a613 | 87 | #ifndef SUBTARGET_CPU_DEFAULT |
| b355a481 | 88 | #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi |
| 0122a613 | 89 | #endif |
| d5b7b3ae | 90 | |
| e3fe057d MM |
91 | /* The libgcc udivmod functions may throw exceptions. If newlib is |
| 92 | configured to support long longs in I/O, then printf will depend on | |
| 93 | udivmoddi4, which will depend on the exception unwind routines, | |
| 94 | which will depend on abort, which is defined in libc. */ | |
| 95 | #undef LINK_GCC_C_SEQUENCE_SPEC | |
| 96 | #define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L --end-group" |