1 /* Definitions for Sun SPARC64 running FreeBSD using the ELF format 2 Copyright (C) 2001-2020 Free Software Foundation, Inc. 3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public 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 #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 "%{" FPIE_OR_FPIC_SPEC ":-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