1/* Definitions for Sun SPARC64 running FreeBSD using the ELF format 2 Copyright (C) 2001-2015 Free Software Foundation, Inc. 3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 3, or (at your option) 10any later version. 11 12GCC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#undef SUBTARGET_EXTRA_SPECS 22#define SUBTARGET_EXTRA_SPECS \ 23 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER } 24 25/* FreeBSD needs the platform name (sparc64) defined. 26 Emacs etc needs to know if the arch is 64 or 32-bits. 27 This also selects which targets are available via -mcpu. */ 28 29#undef FBSD_TARGET_CPU_CPP_BUILTINS 30#define FBSD_TARGET_CPU_CPP_BUILTINS() \ 31 do \ 32 { \ 33 builtin_define ("__sparc64__"); \ 34 builtin_define ("__sparc__"); \ 35 builtin_define ("__sparc_v9__"); \ 36 builtin_define ("__sparcv9"); \ 37 } \ 38 while (0) 39 40#undef ASM_SPEC 41#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)" 42 43#define LINK_SPEC "%(link_arch) \ 44 %{!mno-relax:%{!r:-relax}} \ 45 %{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \ 46 %{assert*} %{R*} %{rpath*} %{defsym*} \ 47 %{shared:-Bshareable %{h*} %{soname*}} \ 48 %{symbolic:-Bsymbolic} \ 49 %{!shared: \ 50 %{!static: \ 51 %{rdynamic:-export-dynamic} \ 52 -dynamic-linker %(fbsd_dynamic_linker) } \ 53 %{static:-Bstatic}}" 54 55 56/************************[ Target stuff ]***********************************/ 57 58/* Define the actual types of some ANSI-mandated types. 59 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c, 60 c-common.c, and config/<arch>/<arch>.h. */ 61 62/* Earlier headers may get this wrong for FreeBSD. 63 We use the GCC defaults instead. */ 64#undef WCHAR_TYPE 65 66#undef WCHAR_TYPE_SIZE 67#define WCHAR_TYPE_SIZE 32 68 69/* Define for support of TFmode long double. 70 SPARC ABI says that long double is 4 words. */ 71#undef LONG_DOUBLE_TYPE_SIZE 72#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64) 73 74/* Definitions for 64-bit SPARC running systems with ELF. */ 75 76#define TARGET_ELF 1 77 78/* XXX */ 79/* A 64 bit v9 compiler with stack-bias, 80 in a Medium/mid code model environment. */ 81 82#undef TARGET_DEFAULT 83#define TARGET_DEFAULT \ 84 (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \ 85 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \ 86 + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */) 87 88/* The default code model. */ 89#undef SPARC_DEFAULT_CMODEL 90#define SPARC_DEFAULT_CMODEL CM_MEDLOW 91 92#define HAVE_ENABLE_EXECUTE_STACK 93 94/************************[ Assembler stuff ]********************************/ 95 96#undef LOCAL_LABEL_PREFIX 97#define LOCAL_LABEL_PREFIX "." 98 99/* XXX2 */ 100/* This is how to store into the string LABEL 101 the symbol_ref name of an internal numbered label where 102 PREFIX is the class of label and NUM is the number within the class. 103 This is suitable for output with `assemble_name'. */ 104 105#undef ASM_GENERATE_INTERNAL_LABEL 106#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 107 sprintf (LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM)) 108 109 110/************************[ Debugger stuff ]*********************************/ 111 112/* This is the char to use for continuation (in case we need to turn 113 continuation back on). */ 114 115#undef DBX_CONTIN_CHAR 116#define DBX_CONTIN_CHAR '?' 117 118/* DWARF bits. */ 119 120/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets. 121 Obviously the Dwarf2 folks havn't tried to actually build systems 122 with their spec. On a 64-bit system, only 64-bit relocs become 123 RELATIVE relocations. */ 124 125/* #define DWARF_OFFSET_SIZE PTR_SIZE */ 126 127#ifdef HAVE_AS_TLS 128#undef TARGET_SUN_TLS 129#undef TARGET_GNU_TLS 130#define TARGET_SUN_TLS 0 131#define TARGET_GNU_TLS 1 132#endif 133 134#undef ENDFILE_SPEC 135#define ENDFILE_SPEC \ 136 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \ 137 FBSD_ENDFILE_SPEC 138 139/* We use GNU ld so undefine this so that attribute((init_priority)) works. */ 140#undef CTORS_SECTION_ASM_OP 141#undef DTORS_SECTION_ASM_OP 142