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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [sparc/] [netbsd-elf.h] - Blame information for rev 709

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1 709 jeremybenn
/* Definitions of target machine for GCC, for ELF on NetBSD/sparc
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   and NetBSD/sparc64.
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   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2010, 2011
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   Free Software Foundation, Inc.
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   Contributed by Matthew Green (mrg@eterna.com.au).
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#define TARGET_OS_CPP_BUILTINS()                        \
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  do                                                    \
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    {                                                   \
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      NETBSD_OS_CPP_BUILTINS_ELF();                     \
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      if (TARGET_ARCH64)                                \
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        {                                               \
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          builtin_define ("__sparc64__");               \
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          builtin_define ("__sparc_v9__");              \
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          builtin_define ("__sparcv9");                 \
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        }                                               \
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      else                                              \
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        builtin_define ("__sparc");                     \
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      builtin_define ("__sparc__");                     \
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    }                                                   \
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  while (0)
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/* CPP defines used by all NetBSD targets.  */
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#undef CPP_SUBTARGET_SPEC
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#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
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/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h.  */
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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/* This is the char to use for continuation (in case we need to turn
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   continuation back on).  */
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#undef DBX_CONTIN_CHAR
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#define DBX_CONTIN_CHAR '?'
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#undef  LOCAL_LABEL_PREFIX
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#define LOCAL_LABEL_PREFIX  "."
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/* This is how to store into the string LABEL
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   the symbol_ref name of an internal numbered label where
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   PREFIX is the class of label and NUM is the number within the class.
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   This is suitable for output with `assemble_name'.  */
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#undef  ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
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  sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
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#undef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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#undef ASM_SPEC
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#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} \
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%(asm_cpu) %(asm_arch) %(asm_relax)"
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#undef STDC_0_IN_SYSTEM_HEADERS
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#define HAVE_ENABLE_EXECUTE_STACK
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/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
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   description, allowing one to build 32-bit or 64-bit applications
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   on either.  We define the sparc & sparc64 versions of things,
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   occasionally a neutral version (should be the same as "netbsd-elf.h")
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   and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
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   we choose the correct version.  */
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/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
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   definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
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   not have a default place to find these libraries..  */
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/* TARGET_CPU_DEFAULT is set in Makefile.in.  We test for 64-bit default
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   platform here.  */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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/* A 64 bit v9 compiler with stack-bias,
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   in a Medium/Low code model environment.  */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT \
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  (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
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   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
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#undef SPARC_DEFAULT_CMODEL
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#define SPARC_DEFAULT_CMODEL CM_MEDANY
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#endif
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/* CC1_SPEC for NetBSD/sparc.  */
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#define CC1_SPEC32 \
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 "%{m32:%{m64:%emay not use both -m32 and -m64}} \
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  %{m64: \
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    -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
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    %{!mcpu*:%{!mv8plus:-mcpu=ultrasparc}} \
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    %{!mno-vis:%{!mcpu=v9:-mvis}} \
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    %{p:-mcmodel=medlow} \
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    %{pg:-mcmodel=medlow}}"
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#define CC1_SPEC64 \
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 "%{m32:%{m64:%emay not use both -m32 and -m64}} \
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  %{m32: \
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    -mptr32 -mno-stack-bias \
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    %{!mlong-double-128:-mlong-double-64} \
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    %{!mcpu*:%{!mv8plus:-mcpu=cypress}}} \
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  %{!m32: \
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    %{p:-mcmodel=medlow} \
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    %{pg:-mcmodel=medlow}}"
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/* Make sure we use the right output format.  Pick a default and then
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   make sure -m32/-m64 switch to the right one.  */
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#define LINK_ARCH32_SPEC "-m elf32_sparc"
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#define LINK_ARCH64_SPEC "-m elf64_sparc"
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#define LINK_ARCH_SPEC \
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 "%{m32:%(link_arch32)} \
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  %{m64:%(link_arch64)} \
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  %{!m32:%{!m64:%(link_arch_default)}}"
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#undef LINK_SPEC
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#define LINK_SPEC \
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 "%(link_arch) \
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  %{!mno-relax:%{!r:-relax}} \
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  %(netbsd_link_spec)"
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#define NETBSD_ENTRY_POINT "__start"
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#if DEFAULT_ARCH32_P
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#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
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#else
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#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
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#endif
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/* What extra spec entries do we need?  */
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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  { "link_arch32",              LINK_ARCH32_SPEC }, \
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  { "link_arch64",              LINK_ARCH64_SPEC }, \
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  { "link_arch_default",        LINK_ARCH_DEFAULT_SPEC }, \
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  { "link_arch",                LINK_ARCH_SPEC }, \
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  { "netbsd_cpp_spec",          NETBSD_CPP_SPEC }, \
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  { "netbsd_link_spec",         NETBSD_LINK_SPEC_ELF }, \
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  { "netbsd_entry_point",       NETBSD_ENTRY_POINT },
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/* Build a compiler that supports -m32 and -m64?  */
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#ifdef SPARC_BI_ARCH
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
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#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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#else
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#endif
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#undef  CC1_SPEC
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#if DEFAULT_ARCH32_P
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#define CC1_SPEC CC1_SPEC32
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#else
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#define CC1_SPEC CC1_SPEC64
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#endif
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#if DEFAULT_ARCH32_P
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#define MULTILIB_DEFAULTS { "m32" }
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#else
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#define MULTILIB_DEFAULTS { "m64" }
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#endif
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#else   /* SPARC_BI_ARCH */
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#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 128
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
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#undef  CC1_SPEC
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#define CC1_SPEC CC1_SPEC64
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#else   /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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/* A 32-bit only compiler.  NetBSD don't support 128 bit `long double'
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   for 32-bit code, unlike Solaris.  */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 64
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#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
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#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
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#undef  CC1_SPEC
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#define CC1_SPEC CC1_SPEC32
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#endif  /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
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        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
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#endif  /* SPARC_BI_ARCH */
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/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
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#undef CTORS_SECTION_ASM_OP
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#undef DTORS_SECTION_ASM_OP

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