sol2.h revision 117395
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 7This file is part of GNU CC. 8 9GNU CC is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2, or (at your option) 12any later version. 13 14GNU CC is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with GNU CC; see the file COPYING. If not, write to 21the Free Software Foundation, 59 Temple Place - Suite 330, 22Boston, 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#undef ASM_CPU_SPEC 43#define ASM_CPU_SPEC "\ 44%{mcpu=v8plus:-xarch=v8plus} \ 45%{mcpu=v9:-xarch=v8plus} \ 46%{mcpu=ultrasparc:-xarch=v8plusa} \ 47%{!mcpu*:%(asm_cpu_default)} \ 48" 49 50#undef SUBTARGET_EXTRA_SPECS 51#define SUBTARGET_EXTRA_SPECS \ 52 { "startfile_arch", STARTFILE_ARCH_SPEC }, \ 53 { "link_arch", LINK_ARCH_SPEC } 54 55/* However it appears that Solaris 2.0 uses the same reg numbering as 56 the old BSD-style system did. */ 57 58/* Same as sparc.h */ 59#undef DBX_REGISTER_NUMBER 60#define DBX_REGISTER_NUMBER(REGNO) \ 61 (TARGET_FLAT && (REGNO) == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO) 62 63/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ 64#undef ASM_OUTPUT_SKIP 65#define ASM_OUTPUT_SKIP(FILE,SIZE) \ 66 fprintf (FILE, "\t.skip %u\n", (SIZE)) 67 68#undef LOCAL_LABEL_PREFIX 69#define LOCAL_LABEL_PREFIX "." 70 71/* This is how to output a definition of an internal numbered label where 72 PREFIX is the class of label and NUM is the number within the class. */ 73 74#undef ASM_OUTPUT_INTERNAL_LABEL 75#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 76 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) 77 78/* This is how to output a reference to an internal numbered label where 79 PREFIX is the class of label and NUM is the number within the class. */ 80 81#undef ASM_OUTPUT_INTERNAL_LABELREF 82#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ 83 fprintf (FILE, ".L%s%d", PREFIX, NUM) 84 85/* This is how to store into the string LABEL 86 the symbol_ref name of an internal numbered label where 87 PREFIX is the class of label and NUM is the number within the class. 88 This is suitable for output with `assemble_name'. */ 89 90#undef ASM_GENERATE_INTERNAL_LABEL 91#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 92 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 93 94 95 96#undef ENDFILE_SPEC 97#define ENDFILE_SPEC \ 98 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 99 crtend.o%s crtn.o%s" 100 101/* Select a format to encode pointers in exception handling data. CODE 102 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 103 true if the symbol may be affected by dynamic relocations. 104 105 Some Solaris dynamic linkers don't handle unaligned section relative 106 relocs properly, so force them to be aligned. */ 107#ifndef HAVE_AS_SPARC_UA_PCREL 108#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 109 ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) 110#endif 111 112/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. 113 Instead, it is enabled here, because it does work under Solaris. */ 114/* Define for support of TFmode long double. 115 SPARC ABI says that long double is 4 words. */ 116#define LONG_DOUBLE_TYPE_SIZE 128 117 118/* But indicate that it isn't supported by the hardware. */ 119#define WIDEST_HARDWARE_FP_SIZE 64 120 121#define MULDI3_LIBCALL "__mul64" 122#define DIVDI3_LIBCALL "__div64" 123#define UDIVDI3_LIBCALL "__udiv64" 124#define MODDI3_LIBCALL "__rem64" 125#define UMODDI3_LIBCALL "__urem64" 126 127/* Solaris's _Qp_* library routine implementation clobbers the output 128 memory before the inputs are fully consumed. */ 129 130#undef TARGET_BUGGY_QP_LIB 131#define TARGET_BUGGY_QP_LIB 1 132 133#undef INIT_SUBTARGET_OPTABS 134#define INIT_SUBTARGET_OPTABS \ 135 fixsfdi_libfunc \ 136 = init_one_libfunc (TARGET_ARCH64 ? "__ftol" : "__ftoll"); \ 137 fixunssfdi_libfunc \ 138 = init_one_libfunc (TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \ 139 fixdfdi_libfunc \ 140 = init_one_libfunc (TARGET_ARCH64 ? "__dtol" : "__dtoll"); \ 141 fixunsdfdi_libfunc \ 142 = init_one_libfunc (TARGET_ARCH64 ? "__dtoul" : "__dtoull") 143 144/* Solaris allows 64 bit out and global registers in 32 bit mode. 145 sparc_override_options will disable V8+ if not generating V9 code. */ 146#undef TARGET_DEFAULT 147#define TARGET_DEFAULT (MASK_V8PLUS + MASK_FPU + MASK_LONG_DOUBLE_128) 148