Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/unknown-elf.h @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for non-Linux based ARM systems using ELF |
| 131 | 2 Copyright (C) 1998-2018 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Catherine Moore <clm@cygnus.com> |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published | |
| 9 by the Free Software Foundation; either version 3, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
| 14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
| 15 License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 /* elfos.h should have already been included. Now just override | |
| 22 any conflicting definitions and add any extras. */ | |
| 23 | |
| 24 /* Run-time Target Specification. */ | |
| 25 | |
| 26 /* Default to using software floating point. */ | |
| 27 #ifndef TARGET_DEFAULT | |
| 28 #define TARGET_DEFAULT (0) | |
| 29 #endif | |
| 30 | |
| 31 /* Now we define the strings used to build the spec file. */ | |
| 32 #define UNKNOWN_ELF_STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s" | |
| 33 | |
| 34 #undef STARTFILE_SPEC | |
| 111 | 35 #define STARTFILE_SPEC \ |
| 36 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ | |
| 37 UNKNOWN_ELF_STARTFILE_SPEC | |
| 0 | 38 |
| 39 #define UNKNOWN_ELF_ENDFILE_SPEC "crtend%O%s crtn%O%s" | |
| 40 | |
| 41 #undef ENDFILE_SPEC | |
| 42 #define ENDFILE_SPEC UNKNOWN_ELF_ENDFILE_SPEC | |
| 43 | |
| 44 /* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S | |
| 45 to see if it needs to invoked _init() and _fini(). */ | |
| 46 #undef SUBTARGET_CPP_SPEC | |
| 47 #define SUBTARGET_CPP_SPEC "-D__USES_INITFINI__" | |
| 48 | |
| 49 #undef PREFERRED_DEBUGGING_TYPE | |
| 50 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG | |
| 51 | |
| 52 /* Return a nonzero value if DECL has a section attribute. */ | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
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53 #define IN_NAMED_SECTION_P(DECL) \ |
| 0 | 54 ((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \ |
| 111 | 55 && DECL_SECTION_NAME (DECL) != NULL) |
| 0 | 56 |
| 57 #undef ASM_OUTPUT_ALIGNED_BSS | |
| 58 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 59 do \ | |
| 60 { \ | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
61 if (IN_NAMED_SECTION_P (DECL)) \ |
| 0 | 62 switch_to_section (get_named_section (DECL, NULL, 0)); \ |
| 63 else \ | |
| 64 switch_to_section (bss_section); \ | |
| 65 \ | |
| 66 ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 67 \ | |
| 68 last_assemble_variable_decl = DECL; \ | |
| 69 ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \ | |
| 70 ASM_OUTPUT_SKIP (FILE, SIZE ? (int)(SIZE) : 1); \ | |
| 71 } \ | |
| 72 while (0) | |
| 73 | |
| 74 #undef ASM_OUTPUT_ALIGNED_DECL_LOCAL | |
| 75 #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 76 do \ | |
| 77 { \ | |
|
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
78 if ((DECL) != NULL && IN_NAMED_SECTION_P (DECL)) \ |
| 0 | 79 switch_to_section (get_named_section (DECL, NULL, 0)); \ |
| 80 else \ | |
| 81 switch_to_section (bss_section); \ | |
| 82 \ | |
| 83 ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \ | |
| 84 ASM_OUTPUT_LABEL (FILE, NAME); \ | |
| 111 | 85 fprintf (FILE, "\t.space\t%d\n", SIZE ? (int) SIZE : 1); \ |
| 86 fprintf (FILE, "\t.size\t%s, %d\n", \ | |
| 87 NAME, SIZE ? (int) SIZE : 1); \ | |
| 0 | 88 } \ |
| 89 while (0) | |
| 90 | |
| 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 | |
| 131 | 96 #define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %{!nolibc:%L} --end-group" |