Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/sparc/freebsd.h @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for Sun SPARC64 running FreeBSD using the ELF format |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2 Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2010, 2011 |
|
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
3 Free Software Foundation, Inc. |
| 0 | 4 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi. |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify | |
| 9 it under the terms of the GNU General Public License as published by | |
| 10 the Free Software Foundation; either version 3, or (at your option) | |
| 11 any later version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 GNU General Public 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 #undef SUBTARGET_EXTRA_SPECS | |
| 23 #define SUBTARGET_EXTRA_SPECS \ | |
| 24 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER } | |
| 25 | |
| 26 /* FreeBSD needs the platform name (sparc64) defined. | |
| 27 Emacs needs to know if the arch is 64 or 32-bits. */ | |
| 28 | |
| 29 #undef CPP_CPU64_DEFAULT_SPEC | |
| 30 #define CPP_CPU64_DEFAULT_SPEC \ | |
| 31 "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__" | |
| 32 | |
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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:
0
diff
changeset
|
33 #undef 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:
0
diff
changeset
|
34 #define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)" |
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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:
0
diff
changeset
|
35 |
| 0 | 36 #define LINK_SPEC "%(link_arch) \ |
| 37 %{!mno-relax:%{!r:-relax}} \ | |
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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:
0
diff
changeset
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38 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \ |
| 0 | 39 %{assert*} %{R*} %{rpath*} %{defsym*} \ |
| 40 %{shared:-Bshareable %{h*} %{soname*}} \ | |
| 41 %{symbolic:-Bsymbolic} \ | |
| 42 %{!shared: \ | |
| 43 %{!static: \ | |
| 44 %{rdynamic:-export-dynamic} \ | |
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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:
0
diff
changeset
|
45 -dynamic-linker %(fbsd_dynamic_linker) } \ |
| 0 | 46 %{static:-Bstatic}}" |
| 47 | |
| 48 | |
| 49 /************************[ Target stuff ]***********************************/ | |
| 50 | |
| 51 /* Define the actual types of some ANSI-mandated types. | |
| 52 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c, | |
| 53 c-common.c, and config/<arch>/<arch>.h. */ | |
| 54 | |
| 55 /* Earlier headers may get this wrong for FreeBSD. | |
| 56 We use the GCC defaults instead. */ | |
| 57 #undef WCHAR_TYPE | |
| 58 | |
| 59 #undef WCHAR_TYPE_SIZE | |
| 60 #define WCHAR_TYPE_SIZE 32 | |
| 61 | |
| 62 /* Define for support of TFmode long double. | |
| 63 SPARC ABI says that long double is 4 words. */ | |
| 64 #undef LONG_DOUBLE_TYPE_SIZE | |
| 65 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) | |
| 66 | |
| 67 /* Define this to set long double type size to use in libgcc2.c, which can | |
| 68 not depend on target_flags. */ | |
| 69 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__) | |
| 70 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128 | |
| 71 #else | |
| 72 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64 | |
| 73 #endif | |
| 74 | |
| 75 /* Definitions for 64-bit SPARC running systems with ELF. */ | |
| 76 | |
| 77 #undef TARGET_VERSION | |
| 78 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/sparc64 ELF)"); | |
| 79 | |
| 80 #define TARGET_ELF 1 | |
| 81 | |
| 82 /* XXX */ | |
| 83 /* A 64 bit v9 compiler with stack-bias, | |
| 84 in a Medium/mid code model environment. */ | |
| 85 | |
| 86 #undef TARGET_DEFAULT | |
| 87 #define TARGET_DEFAULT \ | |
| 88 (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \ | |
| 89 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \ | |
| 90 + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */) | |
| 91 | |
| 92 /* The default code model. */ | |
| 93 #undef SPARC_DEFAULT_CMODEL | |
| 94 #define SPARC_DEFAULT_CMODEL CM_MEDLOW | |
| 95 | |
| 96 #define ENABLE_EXECUTE_STACK \ | |
| 97 static int need_enable_exec_stack; \ | |
| 98 static void check_enabling(void) __attribute__ ((constructor)); \ | |
| 99 static void check_enabling(void) \ | |
| 100 { \ | |
| 101 extern int sysctlbyname(const char *, void *, size_t *, void *, size_t);\ | |
| 102 int prot = 0; \ | |
| 103 size_t len = sizeof(prot); \ | |
| 104 \ | |
| 105 sysctlbyname ("kern.stackprot", &prot, &len, NULL, 0); \ | |
| 106 if (prot != 7) \ | |
| 107 need_enable_exec_stack = 1; \ | |
| 108 } \ | |
| 109 extern void __enable_execute_stack (void *); \ | |
| 110 void __enable_execute_stack (void *addr) \ | |
| 111 { \ | |
| 112 if (!need_enable_exec_stack) \ | |
| 113 return; \ | |
| 114 else { \ | |
| 115 /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \ | |
| 116 if (mprotect (addr, TRAMPOLINE_SIZE, 7) < 0) \ | |
| 117 perror ("mprotect of trampoline code"); \ | |
| 118 } \ | |
| 119 } | |
| 120 | |
| 121 | |
| 122 /************************[ Assembler stuff ]********************************/ | |
| 123 | |
| 124 #undef LOCAL_LABEL_PREFIX | |
| 125 #define LOCAL_LABEL_PREFIX "." | |
| 126 | |
| 127 /* XXX2 */ | |
| 128 /* This is how to store into the string LABEL | |
| 129 the symbol_ref name of an internal numbered label where | |
| 130 PREFIX is the class of label and NUM is the number within the class. | |
| 131 This is suitable for output with `assemble_name'. */ | |
| 132 | |
| 133 #undef ASM_GENERATE_INTERNAL_LABEL | |
| 134 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ | |
| 135 sprintf (LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM)) | |
| 136 | |
| 137 | |
| 138 /************************[ Debugger stuff ]*********************************/ | |
| 139 | |
| 140 /* This is the char to use for continuation (in case we need to turn | |
| 141 continuation back on). */ | |
| 142 | |
| 143 #undef DBX_CONTIN_CHAR | |
| 144 #define DBX_CONTIN_CHAR '?' | |
| 145 | |
| 146 /* DWARF bits. */ | |
| 147 | |
| 148 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. | |
| 149 Obviously the Dwarf2 folks havn't tried to actually build systems | |
| 150 with their spec. On a 64-bit system, only 64-bit relocs become | |
| 151 RELATIVE relocations. */ | |
| 152 | |
| 153 /* #define DWARF_OFFSET_SIZE PTR_SIZE */ | |
| 154 | |
| 155 #undef ENDFILE_SPEC | |
| 156 #define ENDFILE_SPEC \ | |
| 157 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ | |
| 158 FBSD_ENDFILE_SPEC | |
| 159 | |
| 160 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */ | |
| 161 #undef CTORS_SECTION_ASM_OP | |
| 162 #undef DTORS_SECTION_ASM_OP |