1 /* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 2 Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 3 Free Software Foundation, Inc. 4 Contributed by Ron Guilmette (rfg@netcom.com). 5 Additional changes by David V. Henkel-Wallace (gumby@cygnus.com). 6 7 This file is part of GNU CC. 8 9 GNU CC is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2, or (at your option) 12 any later version. 13 14 GNU CC is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GNU CC; see the file COPYING. If not, write to 21 the Free Software Foundation, 59 Temple Place - Suite 330, 22 Boston, MA 02111-1307, USA. */ 23 24 /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ 25 26 #undef CPP_PREDEFINES 27 #define CPP_PREDEFINES "-Dsparc" 28 29 /* This is here rather than in sparc.h because it's not known what 30 other assemblers will accept. */ 31 32 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 33 #undef ASM_CPU_DEFAULT_SPEC 34 #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" 35 #endif 36 37 #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 38 #undef ASM_CPU_DEFAULT_SPEC 39 #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" 40 #endif 41 42 #if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 43 #undef ASM_CPU_DEFAULT_SPEC 44 #define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" 45 #endif 46 47 #undef ASM_CPU_SPEC 48 #define ASM_CPU_SPEC "\ 49 %{mcpu=v8plus:-xarch=v8plus} \ 50 %{mcpu=v9:-xarch=v8plus} \ 51 %{mcpu=ultrasparc:-xarch=v8plusa} \ 52 %{mcpu=ultrasparc3:-xarch=v8plusb} \ 53 %{!mcpu*:%(asm_cpu_default)} \ 54 " 55 56 #undef SUBTARGET_EXTRA_SPECS 57 #define SUBTARGET_EXTRA_SPECS \ 58 { "startfile_arch", STARTFILE_ARCH_SPEC }, \ 59 { "link_arch", LINK_ARCH_SPEC } 60 61 /* However it appears that Solaris 2.0 uses the same reg numbering as 62 the old BSD-style system did. */ 63 64 /* Same as sparc.h */ 65 #undef DBX_REGISTER_NUMBER 66 #define DBX_REGISTER_NUMBER(REGNO) \ 67 (TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO) 68 69 /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ 70 #undef ASM_OUTPUT_SKIP 71 #define ASM_OUTPUT_SKIP(FILE,SIZE) \ 72 fprintf (FILE, "\t.skip %u\n", (SIZE)) 73 74 #undef LOCAL_LABEL_PREFIX 75 #define LOCAL_LABEL_PREFIX "." 76 77 /* This is how to output a definition of an internal numbered label where 78 PREFIX is the class of label and NUM is the number within the class. */ 79 80 #undef ASM_OUTPUT_INTERNAL_LABEL 81 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 82 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) 83 84 /* This is how to output a reference to an internal numbered label where 85 PREFIX is the class of label and NUM is the number within the class. */ 86 87 #undef ASM_OUTPUT_INTERNAL_LABELREF 88 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ 89 fprintf (FILE, ".L%s%d", PREFIX, NUM) 90 91 /* This is how to store into the string LABEL 92 the symbol_ref name of an internal numbered label where 93 PREFIX is the class of label and NUM is the number within the class. 94 This is suitable for output with `assemble_name'. */ 95 96 #undef ASM_GENERATE_INTERNAL_LABEL 97 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 98 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 99 100 101 102 #undef ENDFILE_SPEC 103 #define ENDFILE_SPEC \ 104 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 105 crtend.o%s crtn.o%s" 106 107 /* Select a format to encode pointers in exception handling data. CODE 108 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 109 true if the symbol may be affected by dynamic relocations. 110 111 Some Solaris dynamic linkers don't handle unaligned section relative 112 relocs properly, so force them to be aligned. */ 113 #ifndef HAVE_AS_SPARC_UA_PCREL 114 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 115 ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) 116 #endif 117 118 /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. 119 Instead, it is enabled here, because it does work under Solaris. */ 120 /* Define for support of TFmode long double. 121 SPARC ABI says that long double is 4 words. */ 122 #define LONG_DOUBLE_TYPE_SIZE 128 123 124 /* But indicate that it isn't supported by the hardware. */ 125 #define WIDEST_HARDWARE_FP_SIZE 64 126 127 #define MULDI3_LIBCALL "__mul64" 128 #define DIVDI3_LIBCALL "__div64" 129 #define UDIVDI3_LIBCALL "__udiv64" 130 #define MODDI3_LIBCALL "__rem64" 131 #define UMODDI3_LIBCALL "__urem64" 132 133 /* Solaris's _Qp_* library routine implementation clobbers the output 134 memory before the inputs are fully consumed. */ 135 136 #undef TARGET_BUGGY_QP_LIB 137 #define TARGET_BUGGY_QP_LIB 1 138 139 #undef INIT_SUBTARGET_OPTABS 140 #define INIT_SUBTARGET_OPTABS \ 141 fixsfdi_libfunc \ 142 = init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \ 143 fixunssfdi_libfunc \ 144 = init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \ 145 fixdfdi_libfunc \ 146 = init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \ 147 fixunsdfdi_libfunc \ 148 = init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull") 149 150 /* Solaris allows 64 bit out and global registers in 32 bit mode. 151 sparc_override_options will disable V8+ if not generating V9 code. */ 152 #undef TARGET_DEFAULT 153 #define TARGET_DEFAULT (MASK_V8PLUS + MASK_FPU + MASK_LONG_DOUBLE_128) 154