1 /* Target definitions for GCC for Intel 80386 running Solaris 2 2 Copyright (C) 1993-2013 Free Software Foundation, Inc. 3 Contributed by Fred Fish (fnf@cygnus.com). 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 /* Augment i386/unix.h version to return 8-byte vectors in memory, matching 22 Sun Studio compilers until version 12, the only ones supported on 23 Solaris 9. */ 24 #undef TARGET_SUBTARGET_DEFAULT 25 #define TARGET_SUBTARGET_DEFAULT \ 26 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS) 27 28 /* Old versions of the Solaris assembler can not handle the difference of 29 labels in different sections, so force DW_EH_PE_datarel. */ 30 #undef ASM_PREFERRED_EH_DATA_FORMAT 31 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 32 (flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0) \ 33 | (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4 \ 34 : DW_EH_PE_datarel)) \ 35 : DW_EH_PE_absptr) 36 37 /* The Solaris linker will not merge a read-only .eh_frame section 38 with a read-write .eh_frame section. None of the encodings used 39 with non-PIC code require runtime relocations. In 64-bit mode, 40 since there is no backwards compatibility issue, we use a read-only 41 section for .eh_frame. In 32-bit mode, we use a writable .eh_frame 42 section in order to be compatible with G++ for Solaris x86. */ 43 #undef EH_TABLES_CAN_BE_READ_ONLY 44 #define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT) 45 46 /* Follow Sun requirements for TLS code sequences and use Sun assembler TLS 47 syntax. */ 48 #undef TARGET_SUN_TLS 49 #define TARGET_SUN_TLS 1 50 51 #undef SIZE_TYPE 52 #define SIZE_TYPE "unsigned int" 53 54 #undef PTRDIFF_TYPE 55 #define PTRDIFF_TYPE "int" 56 57 /* Solaris 2/Intel as chokes on #line directives before Solaris 10. */ 58 #undef CPP_SPEC 59 #define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)" 60 61 #define ASM_CPU_DEFAULT_SPEC "" 62 63 #define ASM_CPU_SPEC "" 64 65 /* Don't include ASM_PIC_SPEC. While the Solaris 9 assembler accepts 66 -K PIC, it gives many warnings: 67 R_386_32 relocation is used for symbol "<symbol>" 68 GNU as doesn't recognize -K at all. */ 69 #undef ASM_SPEC 70 #define ASM_SPEC ASM_SPEC_BASE 71 72 #undef ENDFILE_SPEC 73 #define ENDFILE_SPEC \ 74 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 75 %{mpc32:crtprec32.o%s} \ 76 %{mpc64:crtprec64.o%s} \ 77 %{mpc80:crtprec80.o%s} \ 78 crtend.o%s crtn.o%s" 79 80 #define SUBTARGET_CPU_EXTRA_SPECS \ 81 { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \ 82 { "asm_cpu", ASM_CPU_SPEC }, \ 83 { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \ 84 85 #undef SUBTARGET_EXTRA_SPECS 86 #define SUBTARGET_EXTRA_SPECS \ 87 { "startfile_arch", STARTFILE_ARCH_SPEC }, \ 88 { "link_arch", LINK_ARCH_SPEC }, \ 89 SUBTARGET_CPU_EXTRA_SPECS 90 91 /* Register the Solaris-specific #pragma directives. */ 92 #define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas () 93 94 #undef LOCAL_LABEL_PREFIX 95 #define LOCAL_LABEL_PREFIX "." 96 97 /* The 32-bit Solaris assembler does not support .quad. Do not use it. */ 98 #ifndef HAVE_AS_IX86_QUAD 99 #undef ASM_QUAD 100 #endif 101 102 /* The Solaris assembler wants a .local for non-exported aliases. */ 103 #define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \ 104 do { \ 105 const char *declname = \ 106 IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \ 107 ASM_OUTPUT_DEF ((FILE), declname, \ 108 IDENTIFIER_POINTER (TARGET)); \ 109 if (! TREE_PUBLIC (DECL)) \ 110 { \ 111 fprintf ((FILE), "%s", LOCAL_ASM_OP); \ 112 assemble_name ((FILE), declname); \ 113 fprintf ((FILE), "\n"); \ 114 } \ 115 } while (0) 116 117 #ifndef USE_GAS 118 /* The Sun assembler uses .tcomm for TLS common sections. */ 119 #define TLS_COMMON_ASM_OP ".tcomm" 120 121 /* Similar to the Sun assembler on SPARC, the native assembler requires 122 TLS objects to be declared as @tls_obj (not @tls_object). Unlike SPARC, 123 gas doesn't understand this variant. */ 124 #undef ASM_DECLARE_OBJECT_NAME 125 #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ 126 do \ 127 { \ 128 HOST_WIDE_INT size; \ 129 \ 130 if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \ 131 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj"); \ 132 else \ 133 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ 134 \ 135 size_directive_output = 0; \ 136 if (!flag_inhibit_size_directive \ 137 && (DECL) && DECL_SIZE (DECL)) \ 138 { \ 139 size_directive_output = 1; \ 140 size = int_size_in_bytes (TREE_TYPE (DECL)); \ 141 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ 142 } \ 143 \ 144 ASM_OUTPUT_LABEL (FILE, NAME); \ 145 } \ 146 while (0) 147 #endif /* !USE_GAS */ 148 149 /* Output a simple call for .init/.fini. */ 150 #define ASM_OUTPUT_CALL(FILE, FN) \ 151 do \ 152 { \ 153 fprintf (FILE, "\tcall\t"); \ 154 ix86_print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P'); \ 155 fprintf (FILE, "\n"); \ 156 } \ 157 while (0) 158 159 #undef TARGET_ASM_NAMED_SECTION 160 #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section 161 162 #ifndef USE_GAS 163 /* Emit COMDAT group signature symbols for Sun as. */ 164 #undef TARGET_ASM_FILE_END 165 #define TARGET_ASM_FILE_END solaris_file_end 166 #endif 167 168 /* Unlike GNU ld, Sun ld doesn't coalesce .ctors.N/.dtors.N sections, so 169 inhibit their creation. Also cf. sparc/sysv4.h. */ 170 #ifndef USE_GLD 171 #define CTORS_SECTION_ASM_OP "\t.section\t.ctors, \"aw\"" 172 #define DTORS_SECTION_ASM_OP "\t.section\t.dtors, \"aw\"" 173 #endif 174 175 /* We do not need NT_VERSION notes. */ 176 #undef X86_FILE_START_VERSION_DIRECTIVE 177 #define X86_FILE_START_VERSION_DIRECTIVE false 178 179 /* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce 180 sections, so don't use them. */ 181 #ifndef USE_GLD 182 #define USE_HIDDEN_LINKONCE 0 183 #endif 184 185 /* Put all *tf routines in libgcc. */ 186 #undef LIBGCC2_HAS_TF_MODE 187 #define LIBGCC2_HAS_TF_MODE 1 188 #define LIBGCC2_TF_CEXT q 189 #define TF_SIZE 113 190