Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/arm/bpabi.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | f6334be47118 |
| rev | line source |
|---|---|
| 0 | 1 /* Configuration file for ARM BPABI targets. |
| 2 Copyright (C) 2004, 2005, 2007, 2008, 2009 | |
| 3 Free Software Foundation, Inc. | |
| 4 Contributed by CodeSourcery, LLC | |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 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 | |
| 10 by the Free Software Foundation; either version 3, or (at your | |
| 11 option) any later version. | |
| 12 | |
| 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. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 /* Use the AAPCS ABI by default. */ | |
| 23 #define ARM_DEFAULT_ABI ARM_ABI_AAPCS | |
| 24 | |
| 25 /* Assume that AAPCS ABIs should adhere to the full BPABI. */ | |
| 26 #define TARGET_BPABI (TARGET_AAPCS_BASED) | |
| 27 | |
| 28 /* BPABI targets use EABI frame unwinding tables. */ | |
| 29 #define TARGET_UNWIND_INFO 1 | |
| 30 | |
| 31 /* Section 4.1 of the AAPCS requires the use of VFP format. */ | |
| 32 #undef FPUTYPE_DEFAULT | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
33 #define FPUTYPE_DEFAULT "vfp" |
| 0 | 34 |
| 35 /* TARGET_BIG_ENDIAN_DEFAULT is set in | |
| 36 config.gcc for big endian configurations. */ | |
| 37 #if TARGET_BIG_ENDIAN_DEFAULT | |
| 38 #define TARGET_ENDIAN_DEFAULT MASK_BIG_END | |
| 39 #else | |
| 40 #define TARGET_ENDIAN_DEFAULT 0 | |
| 41 #endif | |
| 42 | |
| 43 /* EABI targets should enable interworking by default. */ | |
| 44 #undef TARGET_DEFAULT | |
| 45 #define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT) | |
| 46 | |
| 47 /* The ARM BPABI functions return a boolean; they use no special | |
| 48 calling convention. */ | |
| 49 #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI | |
| 50 | |
| 51 /* The BPABI integer comparison routines return { -1, 0, 1 }. */ | |
| 52 #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI | |
| 53 | |
| 54 #define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}" | |
| 55 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
56 #define BE8_LINK_SPEC " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5|mcpu=cortex-a8|mcpu=cortex-a9:%{!r:--be8}}}" |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
57 |
| 0 | 58 /* Tell the assembler to build BPABI binaries. */ |
| 59 #undef SUBTARGET_EXTRA_ASM_SPEC | |
| 60 #define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC | |
| 61 | |
| 62 #ifndef SUBTARGET_EXTRA_LINK_SPEC | |
| 63 #define SUBTARGET_EXTRA_LINK_SPEC "" | |
| 64 #endif | |
| 65 | |
| 66 /* The generic link spec in elf.h does not support shared libraries. */ | |
| 67 #define BPABI_LINK_SPEC \ | |
| 68 "%{mbig-endian:-EB} %{mlittle-endian:-EL} " \ | |
| 69 "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \ | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
70 "-X" SUBTARGET_EXTRA_LINK_SPEC TARGET_FIX_V4BX_SPEC BE8_LINK_SPEC |
| 0 | 71 |
| 72 #undef LINK_SPEC | |
| 73 #define LINK_SPEC BPABI_LINK_SPEC | |
| 74 | |
| 75 #if defined (__thumb__) | |
| 76 #define RENAME_LIBRARY_SET ".thumb_set" | |
| 77 #else | |
| 78 #define RENAME_LIBRARY_SET ".set" | |
| 79 #endif | |
| 80 | |
| 81 /* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */ | |
| 82 #define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \ | |
| 83 __asm__ (".globl\t__aeabi_" #AEABI_NAME "\n" \ | |
| 84 RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME \ | |
| 85 ", __" #GCC_NAME "\n"); | |
| 86 | |
| 87 /* Give some libgcc functions an additional __aeabi name. */ | |
| 88 #ifdef L_muldi3 | |
| 89 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul) | |
| 90 #endif | |
| 91 #ifdef L_muldi3 | |
| 92 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul) | |
| 93 #endif | |
| 94 #ifdef L_fixdfdi | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
95 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
96 extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
97 extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs"))); |
| 0 | 98 #endif |
| 99 #ifdef L_fixunsdfdi | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
100 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
101 extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs"))); |
| 0 | 102 #endif |
| 103 #ifdef L_fixsfdi | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
104 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
105 extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
106 extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs"))); |
| 0 | 107 #endif |
| 108 #ifdef L_fixunssfdi | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
109 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \ |
|
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
110 extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs"))); |
| 0 | 111 #endif |
| 112 #ifdef L_floatdidf | |
| 113 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d) | |
| 114 #endif | |
| 115 #ifdef L_floatdisf | |
| 116 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f) | |
| 117 #endif | |
| 118 | |
| 119 /* These renames are needed on ARMv6M. Other targets get them from | |
| 120 assembly routines. */ | |
| 121 #ifdef L_fixunsdfsi | |
| 122 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz) | |
| 123 #endif | |
| 124 #ifdef L_fixunssfsi | |
| 125 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz) | |
| 126 #endif | |
| 127 #ifdef L_floatundidf | |
| 128 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d) | |
| 129 #endif | |
| 130 #ifdef L_floatundisf | |
| 131 #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f) | |
| 132 #endif | |
| 133 | |
| 134 /* The BPABI requires that we always use an out-of-line implementation | |
| 135 of RTTI comparison, even if the target supports weak symbols, | |
| 136 because the same object file might be used on a target that does | |
| 137 not support merging symbols across DLL boundaries. This macro is | |
| 138 broken out separately so that it can be used within | |
| 139 TARGET_OS_CPP_BUILTINS in configuration files for systems based on | |
| 140 the BPABI. */ | |
| 141 #define TARGET_BPABI_CPP_BUILTINS() \ | |
| 142 do \ | |
| 143 { \ | |
| 144 builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \ | |
| 145 } \ | |
| 146 while (false) | |
| 147 | |
| 148 #undef TARGET_OS_CPP_BUILTINS | |
| 149 #define TARGET_OS_CPP_BUILTINS() \ | |
| 150 TARGET_BPABI_CPP_BUILTINS() | |
| 151 | |
| 152 /* The BPABI specifies the use of .{init,fini}_array. Therefore, we | |
| 153 do not want GCC to put anything into the .{init,fini} sections. */ | |
| 154 #undef INIT_SECTION_ASM_OP | |
| 155 #undef FINI_SECTION_ASM_OP | |
| 156 #define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP | |
| 157 #define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP | |
| 158 | |
| 159 /* The legacy _mcount implementation assumes r11 points to a | |
| 160 4-word APCS frame. This is generally not true for EABI targets, | |
| 161 particularly not in Thumb mode. We assume the mcount | |
| 162 implementation does not require a counter variable (No Counter). | |
| 163 Note that __gnu_mcount_nc will be entered with a misaligned stack. | |
| 164 This is OK because it uses a special calling convention anyway. */ | |
| 165 | |
| 166 #undef NO_PROFILE_COUNTERS | |
| 167 #define NO_PROFILE_COUNTERS 1 | |
| 168 #undef ARM_FUNCTION_PROFILER | |
| 169 #define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \ | |
| 170 { \ | |
| 171 fprintf (STREAM, "\tpush\t{lr}\n"); \ | |
| 172 fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \ | |
| 173 } | |
| 174 | |
| 175 #undef SUBTARGET_FRAME_POINTER_REQUIRED | |
| 176 #define SUBTARGET_FRAME_POINTER_REQUIRED 0 | |
| 177 | |
| 178 /* __gnu_mcount_nc restores the original LR value before returning. Ensure | |
| 179 that there is no unnecessary hook set up. */ | |
| 180 #undef PROFILE_HOOK |