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282 |
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 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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/* Make sure these are undefined. */
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#undef MD_EXEC_PREFIX
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#undef MD_STARTFILE_PREFIX
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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} %{V} %{v:%{!V:-V}} \
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%{mlittle-endian:-EL} \
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%(asm_cpu) %(asm_arch) %(asm_relax)"
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#undef STDC_0_IN_SYSTEM_HEADERS
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/* Attempt to enable execute permissions on the stack. */
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#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
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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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/* Name the port(s). */
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#define TARGET_NAME64 "NetBSD/sparc64 ELF"
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#define TARGET_NAME32 "NetBSD/sparc ELF"
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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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"%{sun4:} %{target:} \
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%{mcypress:-mcpu=cypress} \
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%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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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*: \
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%{!mcypress: \
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%{!msparclite: \
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%{!mf930: \
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%{!mf934: \
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%{!mv8*: \
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%{!msupersparc:-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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"%{sun4:} %{target:} \
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%{mcypress:-mcpu=cypress} \
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%{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
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%{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
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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*: \
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%{!mcypress: \
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%{!msparclite: \
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%{!mf930: \
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%{!mf934: \
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%{!mv8*: \
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%{!msupersparc:-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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/* Name the port. */
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#undef TARGET_NAME
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#define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
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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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#undef TARGET_NAME
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#define TARGET_NAME TARGET_NAME64
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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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#undef TARGET_NAME
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#define TARGET_NAME TARGET_NAME32
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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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