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Diffstat (limited to 'gcc-4.9/gcc/config/sol2.h')
| -rw-r--r-- | gcc-4.9/gcc/config/sol2.h | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/sol2.h b/gcc-4.9/gcc/config/sol2.h new file mode 100644 index 000000000..2a657db59 --- /dev/null +++ b/gcc-4.9/gcc/config/sol2.h @@ -0,0 +1,300 @@ +/* Operating system specific defines to be used when targeting GCC for any + Solaris 2 system. + Copyright (C) 2002-2014 Free Software Foundation, Inc. + +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/>. */ + +/* We are compiling for Solaris 2 now. */ +#define TARGET_SOLARIS 1 + +/* Solaris 2 (at least as of 2.5.1) uses a 32-bit wchar_t. */ +#undef WCHAR_TYPE +#define WCHAR_TYPE "long int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE BITS_PER_WORD + +/* Solaris 2 uses a wint_t different from the default. This is required + by the SCD 2.4.1, p. 6-83, Figure 6-66. */ +#undef WINT_TYPE +#define WINT_TYPE "long int" + +#undef WINT_TYPE_SIZE +#define WINT_TYPE_SIZE BITS_PER_WORD + +#define SIG_ATOMIC_TYPE "int" + +/* ??? This definition of int8_t follows the system header but does + not conform to C99. Likewise int_fast8_t, int_least8_t. */ +#define INT8_TYPE "char" +#define INT16_TYPE "short int" +#define INT32_TYPE "int" +#define INT64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") +#define UINT8_TYPE "unsigned char" +#define UINT16_TYPE "short unsigned int" +#define UINT32_TYPE "unsigned int" +#define UINT64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") + +#define INT_LEAST8_TYPE "char" +#define INT_LEAST16_TYPE "short int" +#define INT_LEAST32_TYPE "int" +#define INT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") +#define UINT_LEAST8_TYPE "unsigned char" +#define UINT_LEAST16_TYPE "short unsigned int" +#define UINT_LEAST32_TYPE "unsigned int" +#define UINT_LEAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") + +#define INT_FAST8_TYPE "char" +#define INT_FAST16_TYPE "int" +#define INT_FAST32_TYPE "int" +#define INT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "long long int") +#define UINT_FAST8_TYPE "unsigned char" +#define UINT_FAST16_TYPE "unsigned int" +#define UINT_FAST32_TYPE "unsigned int" +#define UINT_FAST64_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "long long unsigned int") + +#define INTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long int" : "int") +#define UINTPTR_TYPE (LONG_TYPE_SIZE == 64 ? "long unsigned int" : "unsigned int") + +#undef CPP_SUBTARGET_SPEC +#define CPP_SUBTARGET_SPEC "\ +%{pthreads|pthread:-D_REENTRANT -D_PTHREADS}" + +/* Names to predefine in the preprocessor for this target machine. */ +#define TARGET_SUB_OS_CPP_BUILTINS() +#define TARGET_OS_CPP_BUILTINS() \ + do { \ + builtin_define_std ("unix"); \ + builtin_define_std ("sun"); \ + builtin_define ("__svr4__"); \ + builtin_define ("__SVR4"); \ + builtin_assert ("system=unix"); \ + builtin_assert ("system=svr4"); \ + /* For C++ we need to add some additional macro \ + definitions required by the C++ standard \ + library. */ \ + if (c_dialect_cxx ()) \ + { \ + builtin_define ("__STDC_VERSION__=199901L");\ + builtin_define ("_XOPEN_SOURCE=600"); \ + builtin_define ("_LARGEFILE_SOURCE=1"); \ + builtin_define ("_LARGEFILE64_SOURCE=1"); \ + builtin_define ("__EXTENSIONS__"); \ + } \ + TARGET_SUB_OS_CPP_BUILTINS(); \ + } while (0) + +#define SUBTARGET_OVERRIDE_OPTIONS \ + do { \ + solaris_override_options (); \ + } while (0) + + +/* It's safe to pass -s always, even if -g is not used. Those options are + handled by both Sun as and GNU as. */ +#define ASM_SPEC_BASE \ +"%{v:-V} %{Qy:} %{!Qn:-Qy} %{Ym,*} -s %(asm_cpu)" + +#define ASM_PIC_SPEC " %{fpic|fpie|fPIC|fPIE:-K PIC}" + +#undef LIB_SPEC +#define LIB_SPEC \ + "%{!symbolic:\ + %{pthreads|pthread:-lpthread} \ + %{pthreads|pthread|fprofile-generate*:" LIB_TLS_SPEC "} \ + %{p|pg:-ldl} -lc}" + +#ifndef CROSS_DIRECTORY_STRUCTURE +#undef MD_EXEC_PREFIX +#define MD_EXEC_PREFIX "/usr/ccs/bin/" + +#undef MD_STARTFILE_PREFIX +#define MD_STARTFILE_PREFIX "/usr/ccs/lib/" +#endif + +#undef STARTFILE_ARCH32_SPEC +#define STARTFILE_ARCH32_SPEC "%{ansi:values-Xc.o%s} \ + %{!ansi:values-Xa.o%s}" + +#undef STARTFILE_ARCH_SPEC +#define STARTFILE_ARCH_SPEC STARTFILE_ARCH32_SPEC + +/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. */ +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{!shared: \ + %{!symbolic: \ + %{p:mcrt1.o%s} \ + %{!p: \ + %{pg:gcrt1.o%s gmon.o%s} \ + %{!pg:crt1.o%s}}}} \ + crti.o%s %(startfile_arch) \ + crtbegin.o%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + crtend.o%s crtn.o%s" + +#undef LINK_ARCH32_SPEC_BASE +#define LINK_ARCH32_SPEC_BASE \ + "%{G:-G} \ + %{YP,*} \ + %{R*} \ + %{!YP,*:%{p|pg:-Y P,%R/usr/ccs/lib/libp:%R/usr/lib/libp:%R/usr/ccs/lib:%R/lib:%R/usr/lib} \ + %{!p:%{!pg:-Y P,%R/usr/ccs/lib:%R/lib:%R/usr/lib}}}" + +#undef LINK_ARCH32_SPEC +#define LINK_ARCH32_SPEC LINK_ARCH32_SPEC_BASE + +#undef LINK_ARCH_SPEC +#define LINK_ARCH_SPEC LINK_ARCH32_SPEC + +/* C++11 programs need -lrt for nanosleep. */ +#define TIME_LIBRARY "rt" + +#ifndef USE_GLD +/* With Sun ld, -rdynamic is a no-op. */ +#define RDYNAMIC_SPEC "" +#else +/* GNU ld needs --export-dynamic to implement -rdynamic. */ +#define RDYNAMIC_SPEC "--export-dynamic" +#endif + +#ifndef USE_GLD +/* With Sun ld, use mapfile to enforce direct binding to libgcc_s unwinder. */ +#define LINK_LIBGCC_MAPFILE_SPEC \ + "%{shared|shared-libgcc:-M %slibgcc-unwind.map}" +#else +/* GNU ld doesn't support direct binding. */ +#define LINK_LIBGCC_MAPFILE_SPEC "" +#endif + +#undef LINK_SPEC +#define LINK_SPEC \ + "%{h*} %{v:-V} \ + %{!shared:%{!static:%{rdynamic: " RDYNAMIC_SPEC "}}} \ + %{static:-dn -Bstatic} \ + %{shared:-G -dy %{!mimpure-text:-z text}} " LINK_LIBGCC_MAPFILE_SPEC " \ + %{symbolic:-Bsymbolic -G -dy -z text} \ + %(link_arch) \ + %{Qy:} %{!Qn:-Qy}" + +/* Use --as-needed/-z ignore -lgcc_s for eh support. */ +#ifdef HAVE_LD_AS_NEEDED +#define USE_LD_AS_NEEDED 1 +#endif + +#ifdef USE_GLD +/* Solaris 11 build 135+ implements dl_iterate_phdr. GNU ld needs + --eh-frame-hdr to create the required .eh_frame_hdr sections. */ +#if defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) +#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} " +#endif /* HAVE_LD_EH_FRAME && TARGET_DL_ITERATE_PHDR */ +#endif + +/* collect2.c can only parse GNU nm -n output. Solaris nm needs -png to + produce the same format. */ +#define NM_FLAGS "-png" + +/* The system headers under Solaris 2 are C++-aware since 2.0. */ +#define NO_IMPLICIT_EXTERN_C + +#define STDC_0_IN_SYSTEM_HEADERS 1 + +/* Support Solaris-specific format checking for cmn_err. */ +#define TARGET_N_FORMAT_TYPES 1 +#define TARGET_FORMAT_TYPES solaris_format_types + +/* #pragma init and #pragma fini are implemented on top of init and + fini attributes. */ +#define SOLARIS_ATTRIBUTE_TABLE \ + { "init", 0, 0, true, false, false, NULL, false }, \ + { "fini", 0, 0, true, false, false, NULL, false } + +/* Solaris-specific #pragmas are implemented on top of attributes. Hook in + the bits from config/sol2.c. */ +#define SUBTARGET_INSERT_ATTRIBUTES solaris_insert_attributes +#define SUBTARGET_ATTRIBUTE_TABLE SOLARIS_ATTRIBUTE_TABLE + +/* Allow macro expansion in #pragma pack. */ +#define HANDLE_PRAGMA_PACK_WITH_EXPANSION + +#define TARGET_CXX_DECL_MANGLING_CONTEXT solaris_cxx_decl_mangling_context + +/* Solaris/x86 as and gas support unquoted section names. */ +#define SECTION_NAME_FORMAT "%s" + +/* This is how to declare the size of a function. For Solaris, we output + any .init or .fini entries here. */ +#undef ASM_DECLARE_FUNCTION_SIZE +#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ + do \ + { \ + if (!flag_inhibit_size_directive) \ + ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ + solaris_output_init_fini (FILE, DECL); \ + } \ + while (0) + +/* Solaris as has a bug: a .common directive in .tbss or .tdata section + behaves as .tls_common rather than normal non-TLS .common. */ +#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); \ + fprintf ((FILE), "%s", COMMON_ASM_OP); \ + assemble_name ((FILE), (NAME)); \ + fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ + (SIZE), (ALIGN) / BITS_PER_UNIT); \ + } \ + while (0) + +#ifndef USE_GAS +#undef TARGET_ASM_ASSEMBLE_VISIBILITY +#define TARGET_ASM_ASSEMBLE_VISIBILITY solaris_assemble_visibility + +#define AS_NEEDS_DASH_FOR_PIPED_INPUT + +/* The Solaris assembler cannot grok .stabd directives. */ +#undef NO_DBX_BNSYM_ENSYM +#define NO_DBX_BNSYM_ENSYM 1 +#endif + +#ifndef USE_GLD +/* The Solaris linker doesn't understand constructor priorities. */ +#undef SUPPORTS_INIT_PRIORITY +#define SUPPORTS_INIT_PRIORITY 0 +#endif + +/* Solaris has an implementation of __enable_execute_stack. */ +#define HAVE_ENABLE_EXECUTE_STACK + +/* Static stack checking is supported by means of probes. */ +#define STACK_CHECK_STATIC_BUILTIN 1 + +#define TARGET_POSIX_IO + +#undef TARGET_LIBC_HAS_FUNCTION +#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function + +extern GTY(()) tree solaris_pending_aligns; +extern GTY(()) tree solaris_pending_inits; +extern GTY(()) tree solaris_pending_finis; |