diff options
Diffstat (limited to 'gcc-4.9/gcc/config/i386/sol2.h')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/sol2.h | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/sol2.h b/gcc-4.9/gcc/config/i386/sol2.h new file mode 100644 index 000000000..8a21a5910 --- /dev/null +++ b/gcc-4.9/gcc/config/i386/sol2.h @@ -0,0 +1,189 @@ +/* Target definitions for GCC for Intel 80386 running Solaris 2 + Copyright (C) 1993-2014 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/>. */ + +/* Augment i386/unix.h version to return 8-byte vectors in memory, matching + Sun Studio compilers until version 12, the only ones supported on + Solaris 9. */ +#undef TARGET_SUBTARGET_DEFAULT +#define TARGET_SUBTARGET_DEFAULT \ + (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS) + +/* Old versions of the Solaris assembler can not handle the difference of + labels in different sections, so force DW_EH_PE_datarel. */ +#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) + +/* 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 + +#undef SIZE_TYPE +#define SIZE_TYPE "unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "int" + +/* Solaris 2/Intel as chokes on #line directives before Solaris 10. */ +#undef CPP_SPEC +#define CPP_SPEC "%{,assembler-with-cpp:-P} %(cpp_subtarget)" + +#define ASM_CPU_DEFAULT_SPEC "" + +#define ASM_CPU_SPEC "" + +/* Don't include ASM_PIC_SPEC. While the Solaris 9 assembler accepts + -K PIC, it gives many warnings: + R_386_32 relocation is used for symbol "<symbol>" + GNU as doesn't recognize -K at all. */ +#undef ASM_SPEC +#define ASM_SPEC ASM_SPEC_BASE + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + %{mpc32:crtprec32.o%s} \ + %{mpc64:crtprec64.o%s} \ + %{mpc80:crtprec80.o%s} \ + crtend.o%s crtn.o%s" + +#define SUBTARGET_CPU_EXTRA_SPECS \ + { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \ + { "asm_cpu", ASM_CPU_SPEC }, \ + { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \ + +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS \ + { "startfile_arch", STARTFILE_ARCH_SPEC }, \ + { "link_arch", LINK_ARCH_SPEC }, \ + SUBTARGET_CPU_EXTRA_SPECS + +/* Register the Solaris-specific #pragma directives. */ +#define REGISTER_SUBTARGET_PRAGMAS() solaris_register_pragmas () + +#undef LOCAL_LABEL_PREFIX +#define LOCAL_LABEL_PREFIX "." + +/* The 32-bit Solaris assembler does not support .quad. Do not use it. */ +#ifndef HAVE_AS_IX86_QUAD +#undef ASM_QUAD +#endif + +/* The Solaris assembler wants a .local for non-exported aliases. */ +#define ASM_OUTPUT_DEF_FROM_DECLS(FILE, DECL, TARGET) \ + do { \ + const char *declname = \ + IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \ + 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 */ + +/* 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 + +/* 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 + +/* Put all *tf routines in libgcc. */ +#undef LIBGCC2_HAS_TF_MODE +#define LIBGCC2_HAS_TF_MODE 1 +#define LIBGCC2_TF_CEXT q +#define TF_SIZE 113 |