| /* Target definitions for GCC for Intel 80386 running Solaris 2 |
| Copyright (C) 1993-2015 Free Software Foundation, Inc. |
| Contributed by Fred Fish (fnf@cygnus.com). |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3, or (at your option) |
| any later version. |
| |
| GCC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #define SUBTARGET_OPTIMIZATION_OPTIONS \ |
| { OPT_LEVELS_1_PLUS, OPT_momit_leaf_frame_pointer, NULL, 1 } |
| |
| /* 32-bit Solaris/x86 only guarantees 4-byte stack alignment as required by |
| the i386 psABI, so realign it as necessary for SSE instructions. */ |
| #undef STACK_REALIGN_DEFAULT |
| #define STACK_REALIGN_DEFAULT (TARGET_64BIT ? 0 : 1) |
| |
| /* Old versions of the Solaris assembler can not handle the difference of |
| labels in different sections, so force DW_EH_PE_datarel if so. */ |
| #ifndef HAVE_AS_IX86_DIFF_SECT_DELTA |
| #undef ASM_PREFERRED_EH_DATA_FORMAT |
| #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ |
| (flag_pic ? ((GLOBAL ? DW_EH_PE_indirect : 0) \ |
| | (TARGET_64BIT ? DW_EH_PE_pcrel | DW_EH_PE_sdata4 \ |
| : DW_EH_PE_datarel)) \ |
| : DW_EH_PE_absptr) |
| #endif |
| |
| /* The Solaris linker will not merge a read-only .eh_frame section |
| with a read-write .eh_frame section. None of the encodings used |
| with non-PIC code require runtime relocations. In 64-bit mode, |
| since there is no backwards compatibility issue, we use a read-only |
| section for .eh_frame. In 32-bit mode, we use a writable .eh_frame |
| section in order to be compatible with G++ for Solaris x86. */ |
| #undef EH_TABLES_CAN_BE_READ_ONLY |
| #define EH_TABLES_CAN_BE_READ_ONLY (TARGET_64BIT) |
| |
| /* Follow Sun requirements for TLS code sequences and use Sun assembler TLS |
| syntax. */ |
| #undef TARGET_SUN_TLS |
| #define TARGET_SUN_TLS 1 |
| |
| /* Solaris 2/Intel as chokes on #line directives before Solaris 10. */ |
| #undef CPP_SPEC |
| #define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)" |
| |
| /* GNU as understands --32 and --64, but the native Solaris |
| assembler requires -xarch=generic or -xarch=generic64 instead. */ |
| #ifdef USE_GAS |
| #define ASM_CPU32_DEFAULT_SPEC "--32" |
| #define ASM_CPU64_DEFAULT_SPEC "--64" |
| #else |
| #define ASM_CPU32_DEFAULT_SPEC "-xarch=generic" |
| #define ASM_CPU64_DEFAULT_SPEC "-xarch=generic64" |
| #endif |
| |
| #undef ASM_CPU_SPEC |
| #define ASM_CPU_SPEC "%(asm_cpu_default)" |
| |
| /* Don't include ASM_PIC_SPEC. While the Solaris 10+ assembler accepts -K PIC, |
| it gives many warnings: |
| Absolute relocation is used for symbol "<symbol>" |
| GNU as doesn't recognize -K at all. */ |
| #undef ASM_SPEC |
| #define ASM_SPEC ASM_SPEC_BASE |
| |
| #define DEFAULT_ARCH32_P !TARGET_64BIT_DEFAULT |
| |
| #define ARCH64_SUBDIR "amd64" |
| |
| #ifdef USE_GLD |
| /* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly |
| follow the Solaris 2 ABI. Prefer them if present. */ |
| #ifdef HAVE_LD_SOL2_EMULATION |
| #define ARCH32_EMULATION "elf_i386_sol2" |
| #define ARCH64_EMULATION "elf_x86_64_sol2" |
| #else |
| #define ARCH32_EMULATION "elf_i386" |
| #define ARCH64_EMULATION "elf_x86_64" |
| #endif |
| #endif |
| |
| #define ENDFILE_ARCH_SPEC \ |
| "%{mpc32:crtprec32.o%s} \ |
| %{mpc64:crtprec64.o%s} \ |
| %{mpc80:crtprec80.o%s}" |
| |
| #define SUBTARGET_CPU_EXTRA_SPECS \ |
| { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \ |
| { "asm_cpu", ASM_CPU_SPEC }, \ |
| { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \ |
| |
| /* Register the Solaris-specific #pragma directives. */ |
| #define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas () |
| |
| #undef LOCAL_LABEL_PREFIX |
| #define LOCAL_LABEL_PREFIX "." |
| |
| /* The Solaris 10 FCS as doesn't accept "#" comments, while later versions |
| do. */ |
| #undef ASM_COMMENT_START |
| #define ASM_COMMENT_START "/" |
| |
| /* The 32-bit Solaris assembler does not support .quad. Do not use it. */ |
| #ifndef HAVE_AS_IX86_QUAD |
| #undef ASM_QUAD |
| #endif |
| |
| /* The native Solaris assembler can't calculate the difference between |
| symbols in different sections, which causes problems for -fPIC jump |
| tables in .rodata. */ |
| #ifndef HAVE_AS_IX86_DIFF_SECT_DELTA |
| #undef JUMP_TABLES_IN_TEXT_SECTION |
| #define JUMP_TABLES_IN_TEXT_SECTION 1 |
| |
| /* The native Solaris assembler cannot handle the SYMBOL-. syntax, but |
| requires SYMBOL@rel/@rel64 instead. */ |
| #define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \ |
| do { \ |
| fputs (integer_asm_op (SIZE, FALSE), FILE); \ |
| assemble_name (FILE, LABEL); \ |
| fputs (SIZE == 8 ? "@rel64" : "@rel", FILE); \ |
| } while (0) |
| #endif |
| |
| /* The Solaris assembler wants a .local for non-exported aliases. */ |
| #define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \ |
| do { \ |
| tree id = DECL_ASSEMBLER_NAME (DECL); \ |
| ultimate_transparent_alias_target (&id); \ |
| const char *declname = IDENTIFIER_POINTER (id); \ |
| ASM_OUTPUT_DEF ((FILE), declname, \ |
| IDENTIFIER_POINTER (TARGET)); \ |
| if (! TREE_PUBLIC (DECL)) \ |
| { \ |
| fprintf ((FILE), "%s", LOCAL_ASM_OP); \ |
| assemble_name ((FILE), declname); \ |
| fprintf ((FILE), "\n"); \ |
| } \ |
| } while (0) |
| |
| #ifndef USE_GAS |
| /* The Sun assembler uses .tcomm for TLS common sections. */ |
| #define TLS_COMMON_ASM_OP ".tcomm" |
| |
| /* Similar to the Sun assembler on SPARC, the native assembler requires |
| TLS objects to be declared as @tls_obj (not @tls_object). Unlike SPARC, |
| gas doesn't understand this variant. */ |
| #undef ASM_DECLARE_OBJECT_NAME |
| #define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ |
| do \ |
| { \ |
| HOST_WIDE_INT size; \ |
| \ |
| if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_obj"); \ |
| else \ |
| ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ |
| \ |
| size_directive_output = 0; \ |
| if (!flag_inhibit_size_directive \ |
| && (DECL) && DECL_SIZE (DECL)) \ |
| { \ |
| size_directive_output = 1; \ |
| size = int_size_in_bytes (TREE_TYPE (DECL)); \ |
| ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ |
| } \ |
| \ |
| ASM_OUTPUT_LABEL (FILE, NAME); \ |
| } \ |
| while (0) |
| #endif /* !USE_GAS */ |
| |
| /* As in sparc/sol2.h, override the default from i386/x86-64.h to work |
| around Sun as TLS bug. */ |
| #undef ASM_OUTPUT_ALIGNED_COMMON |
| #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ |
| do \ |
| { \ |
| if (TARGET_SUN_TLS \ |
| && in_section \ |
| && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \ |
| switch_to_section (bss_section); \ |
| x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN); \ |
| } \ |
| while (0) |
| |
| /* Output a simple call for .init/.fini. */ |
| #define ASM_OUTPUT_CALL(FILE, FN) \ |
| do \ |
| { \ |
| fprintf (FILE, "\tcall\t"); \ |
| ix86_print_operand (FILE, XEXP (DECL_RTL (FN), 0), 'P'); \ |
| fprintf (FILE, "\n"); \ |
| } \ |
| while (0) |
| |
| #undef TARGET_ASM_NAMED_SECTION |
| #define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section |
| |
| #ifndef USE_GAS |
| /* Emit COMDAT group signature symbols for Sun as. */ |
| #undef TARGET_ASM_FILE_END |
| #define TARGET_ASM_FILE_END solaris_file_end |
| #endif |
| |
| /* Unlike GNU ld, Sun ld doesn't coalesce .ctors.N/.dtors.N sections, so |
| inhibit their creation. Also cf. sparc/sysv4.h. */ |
| #ifndef USE_GLD |
| #define CTORS_SECTION_ASM_OP "\t.section\t.ctors, \"aw\"" |
| #define DTORS_SECTION_ASM_OP "\t.section\t.dtors, \"aw\"" |
| #endif |
| |
| #define USE_IX86_FRAME_POINTER 1 |
| #define USE_X86_64_FRAME_POINTER 1 |
| |
| #undef NO_PROFILE_COUNTERS |
| |
| #undef MCOUNT_NAME |
| #define MCOUNT_NAME "_mcount" |
| |
| /* We do not need NT_VERSION notes. */ |
| #undef X86_FILE_START_VERSION_DIRECTIVE |
| #define X86_FILE_START_VERSION_DIRECTIVE false |
| |
| /* Only recent versions of Solaris 11 ld properly support hidden .gnu.linkonce |
| sections, so don't use them. */ |
| #ifndef USE_GLD |
| #define USE_HIDDEN_LINKONCE 0 |
| #endif |