1/* Definitions of target machine for GCC, for SPARC running Solaris 2 2 Copyright 1992, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 3 2006 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 GCC. 8 9GCC 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 14GCC 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 GCC; see the file COPYING. If not, write to 21the Free Software Foundation, 51 Franklin Street, Fifth Floor, 22Boston, MA 02110-1301, USA. */ 23 24/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ 25 26/* This is here rather than in sparc.h because it's not known what 27 other assemblers will accept. */ 28 29#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 30#undef ASM_CPU_DEFAULT_SPEC 31#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" 32#endif 33 34#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 35#undef ASM_CPU_DEFAULT_SPEC 36#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" 37#endif 38 39#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 40#undef ASM_CPU_DEFAULT_SPEC 41#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" 42#endif 43 44#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara 45#undef ASM_CPU_DEFAULT_SPEC 46#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusb" 47#endif 48 49#undef ASM_CPU_SPEC 50#define ASM_CPU_SPEC "\ 51%{mcpu=v9:-xarch=v8plus} \ 52%{mcpu=ultrasparc:-xarch=v8plusa} \ 53%{mcpu=ultrasparc3:-xarch=v8plusb} \ 54%{mcpu=niagara:-xarch=v8plusb} \ 55%{!mcpu*:%(asm_cpu_default)} \ 56" 57 58#undef SUBTARGET_EXTRA_SPECS 59#define SUBTARGET_EXTRA_SPECS \ 60 { "startfile_arch", STARTFILE_ARCH_SPEC }, \ 61 { "link_arch", LINK_ARCH_SPEC } 62 63/* However it appears that Solaris 2.0 uses the same reg numbering as 64 the old BSD-style system did. */ 65 66/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ 67#undef ASM_OUTPUT_SKIP 68#define ASM_OUTPUT_SKIP(FILE,SIZE) \ 69 fprintf (FILE, "\t.skip %u\n", (int)(SIZE)) 70 71#undef LOCAL_LABEL_PREFIX 72#define LOCAL_LABEL_PREFIX "." 73 74/* This is how to store into the string LABEL 75 the symbol_ref name of an internal numbered label where 76 PREFIX is the class of label and NUM is the number within the class. 77 This is suitable for output with `assemble_name'. */ 78 79#undef ASM_GENERATE_INTERNAL_LABEL 80#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 81 sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM)) 82 83/* The native TLS-enabled assembler requires the directive #tls_object 84 to be put on objects in TLS sections (as of v7.1). This is not 85 required by the GNU assembler but supported on SPARC. */ 86#undef ASM_DECLARE_OBJECT_NAME 87#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ 88 do \ 89 { \ 90 HOST_WIDE_INT size; \ 91 \ 92 if (DECL_THREAD_LOCAL_P (DECL)) \ 93 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \ 94 else \ 95 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ 96 \ 97 size_directive_output = 0; \ 98 if (!flag_inhibit_size_directive \ 99 && (DECL) && DECL_SIZE (DECL)) \ 100 { \ 101 size_directive_output = 1; \ 102 size = int_size_in_bytes (TREE_TYPE (DECL)); \ 103 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ 104 } \ 105 \ 106 ASM_OUTPUT_LABEL (FILE, NAME); \ 107 } \ 108 while (0) 109 110/* The Solaris assembler cannot grok .stabd directives. */ 111#undef NO_DBX_BNSYM_ENSYM 112#define NO_DBX_BNSYM_ENSYM 1 113 114 115#undef ENDFILE_SPEC 116#define ENDFILE_SPEC \ 117 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 118 crtend.o%s crtn.o%s" 119 120/* Select a format to encode pointers in exception handling data. CODE 121 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 122 true if the symbol may be affected by dynamic relocations. 123 124 Some Solaris dynamic linkers don't handle unaligned section relative 125 relocs properly, so force them to be aligned. */ 126#ifndef HAVE_AS_SPARC_UA_PCREL 127#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 128 ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) 129#endif 130 131 132/* Define for support of TFmode long double. 133 SPARC ABI says that long double is 4 words. */ 134#define LONG_DOUBLE_TYPE_SIZE 128 135 136/* But indicate that it isn't supported by the hardware. */ 137#define WIDEST_HARDWARE_FP_SIZE 64 138 139/* Solaris's _Qp_* library routine implementation clobbers the output 140 memory before the inputs are fully consumed. */ 141 142#undef TARGET_BUGGY_QP_LIB 143#define TARGET_BUGGY_QP_LIB 1 144 145#undef SUN_CONVERSION_LIBFUNCS 146#define SUN_CONVERSION_LIBFUNCS 1 147 148#undef DITF_CONVERSION_LIBFUNCS 149#define DITF_CONVERSION_LIBFUNCS 1 150 151#undef SUN_INTEGER_MULTIPLY_64 152#define SUN_INTEGER_MULTIPLY_64 1 153 154/* Solaris allows 64 bit out and global registers in 32 bit mode. 155 sparc_override_options will disable V8+ if not generating V9 code. */ 156#undef TARGET_DEFAULT 157#define TARGET_DEFAULT (MASK_V8PLUS + MASK_APP_REGS + MASK_FPU \ 158 + MASK_LONG_DOUBLE_128) 159 160/* Solaris-specific #pragmas are implemented on top of attributes. Hook in 161 the bits from config/sol2.c. */ 162#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes 163#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE 164 165/* Output a simple call for .init/.fini. */ 166#define ASM_OUTPUT_CALL(FILE, FN) \ 167 do \ 168 { \ 169 fprintf (FILE, "\tcall\t"); \ 170 print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \ 171 fprintf (FILE, "\n\tnop\n"); \ 172 } \ 173 while (0) 174