Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/bpabi.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 /* Configuration file for ARM BPABI targets. |
| 131 | 2 Copyright (C) 2004-2018 Free Software Foundation, Inc. |
| 0 | 3 Contributed by CodeSourcery, LLC |
| 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 | |
| 111 | 17 Under Section 7 of GPL version 3, you are granted additional |
| 18 permissions described in the GCC Runtime Library Exception, version | |
| 19 3.1, as published by the Free Software Foundation. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License and | |
| 22 a copy of the GCC Runtime Library Exception along with this program; | |
| 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 0 | 24 <http://www.gnu.org/licenses/>. */ |
| 25 | |
| 26 /* Use the AAPCS ABI by default. */ | |
| 27 #define ARM_DEFAULT_ABI ARM_ABI_AAPCS | |
| 28 | |
| 111 | 29 /* Assume that AAPCS ABIs should adhere to the full BPABI. */ |
| 0 | 30 #define TARGET_BPABI (TARGET_AAPCS_BASED) |
| 31 | |
| 32 /* BPABI targets use EABI frame unwinding tables. */ | |
|
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33 #undef ARM_UNWIND_INFO |
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f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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34 #define ARM_UNWIND_INFO 1 |
| 0 | 35 |
| 36 /* TARGET_BIG_ENDIAN_DEFAULT is set in | |
| 37 config.gcc for big endian configurations. */ | |
| 38 #if TARGET_BIG_ENDIAN_DEFAULT | |
| 39 #define TARGET_ENDIAN_DEFAULT MASK_BIG_END | |
| 40 #else | |
| 41 #define TARGET_ENDIAN_DEFAULT 0 | |
| 42 #endif | |
| 43 | |
| 44 /* EABI targets should enable interworking by default. */ | |
| 45 #undef TARGET_DEFAULT | |
| 46 #define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT) | |
| 47 | |
| 48 /* The ARM BPABI functions return a boolean; they use no special | |
| 49 calling convention. */ | |
| 50 #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI | |
| 51 | |
| 52 /* The BPABI integer comparison routines return { -1, 0, 1 }. */ | |
| 53 #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI | |
| 54 | |
|
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f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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changeset
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55 #define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\ |
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f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
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changeset
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56 "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}" |
| 0 | 57 |
| 111 | 58 #define BE8_LINK_SPEC \ |
| 59 "%{!r:%{!mbe32:%:be8_linkopt(%{mlittle-endian:little}" \ | |
| 60 " %{mbig-endian:big}" \ | |
| 61 " %{mbe8:be8}" \ | |
| 62 " %{march=*:arch %*})}}" | |
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63 |
| 0 | 64 /* Tell the assembler to build BPABI binaries. */ |
| 65 #undef SUBTARGET_EXTRA_ASM_SPEC | |
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67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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66 #define SUBTARGET_EXTRA_ASM_SPEC \ |
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f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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67 "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC |
| 0 | 68 |
| 69 #ifndef SUBTARGET_EXTRA_LINK_SPEC | |
| 70 #define SUBTARGET_EXTRA_LINK_SPEC "" | |
| 71 #endif | |
| 72 | |
| 111 | 73 /* Split out the EABI common values so other targets can use it. */ |
| 74 #define EABI_LINK_SPEC \ | |
| 75 TARGET_FIX_V4BX_SPEC BE8_LINK_SPEC | |
| 76 | |
| 0 | 77 /* The generic link spec in elf.h does not support shared libraries. */ |
| 78 #define BPABI_LINK_SPEC \ | |
| 79 "%{mbig-endian:-EB} %{mlittle-endian:-EL} " \ | |
| 80 "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \ | |
| 111 | 81 "-X" SUBTARGET_EXTRA_LINK_SPEC EABI_LINK_SPEC |
| 0 | 82 |
| 83 #undef LINK_SPEC | |
| 84 #define LINK_SPEC BPABI_LINK_SPEC | |
| 85 | |
| 86 /* The BPABI requires that we always use an out-of-line implementation | |
| 87 of RTTI comparison, even if the target supports weak symbols, | |
| 88 because the same object file might be used on a target that does | |
| 89 not support merging symbols across DLL boundaries. This macro is | |
| 90 broken out separately so that it can be used within | |
| 91 TARGET_OS_CPP_BUILTINS in configuration files for systems based on | |
| 92 the BPABI. */ | |
| 93 #define TARGET_BPABI_CPP_BUILTINS() \ | |
| 94 do \ | |
| 95 { \ | |
| 96 builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \ | |
| 97 } \ | |
| 98 while (false) | |
| 99 | |
| 100 #undef TARGET_OS_CPP_BUILTINS | |
| 101 #define TARGET_OS_CPP_BUILTINS() \ | |
| 102 TARGET_BPABI_CPP_BUILTINS() | |
| 103 | |
| 104 /* The BPABI specifies the use of .{init,fini}_array. Therefore, we | |
| 105 do not want GCC to put anything into the .{init,fini} sections. */ | |
| 106 #undef INIT_SECTION_ASM_OP | |
| 107 #undef FINI_SECTION_ASM_OP | |
| 108 #define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP | |
| 109 #define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP | |
| 110 | |
| 111 /* The legacy _mcount implementation assumes r11 points to a | |
| 112 4-word APCS frame. This is generally not true for EABI targets, | |
| 113 particularly not in Thumb mode. We assume the mcount | |
| 114 implementation does not require a counter variable (No Counter). | |
| 115 Note that __gnu_mcount_nc will be entered with a misaligned stack. | |
| 116 This is OK because it uses a special calling convention anyway. */ | |
| 117 | |
| 118 #undef NO_PROFILE_COUNTERS | |
| 119 #define NO_PROFILE_COUNTERS 1 | |
| 120 #undef ARM_FUNCTION_PROFILER | |
| 121 #define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \ | |
| 122 { \ | |
| 123 fprintf (STREAM, "\tpush\t{lr}\n"); \ | |
| 124 fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \ | |
| 125 } | |
| 126 | |
| 127 #undef SUBTARGET_FRAME_POINTER_REQUIRED | |
| 128 #define SUBTARGET_FRAME_POINTER_REQUIRED 0 | |
| 129 | |
| 130 /* __gnu_mcount_nc restores the original LR value before returning. Ensure | |
| 131 that there is no unnecessary hook set up. */ | |
| 132 #undef PROFILE_HOOK |