-/* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
+/* Definitions of target machine for GCC, for ELF on NetBSD/sparc
and NetBSD/sparc64.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
Contributed by Matthew Green (mrg@eterna.com.au).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ NETBSD_OS_CPP_BUILTINS_ELF(); \
+ if (TARGET_ARCH64) \
+ { \
+ builtin_define ("__sparc64__"); \
+ builtin_define ("__sparc_v9__"); \
+ builtin_define ("__sparcv9"); \
+ } \
+ else \
+ builtin_define ("__sparc"); \
+ builtin_define ("__sparc__"); \
+ } \
+ while (0)
/* Make sure these are undefined. */
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__sparc__ -D__NetBSD__ -D__ELF__ \
--Asystem=unix -Asystem=NetBSD"
-
-/* CPP defines used for 64 bit code. */
-#undef CPP_SUBTARGET_SPEC64
-#define CPP_SUBTARGET_SPEC64 \
- "-D__sparc64__ -D__sparc_v9__ -D_LP64 %{posix:-D_POSIX_SOURCE}"
-
-/* CPP defines used for 32 bit code. */
-#undef CPP_SUBTARGET_SPEC32
-#define CPP_SUBTARGET_SPEC32 "-D__sparc %{posix:-D_POSIX_SOURCE}"
-
-/* CPP_ARCH32_SPEC and CPP_ARCH64_SPEC are wrong from sparc/sparc.h; we
- always want the non-SPARC_BI_ARCH versions, since the SPARC_BI_ARCH
- versions define __SIZE_TYPE__ and __PTRDIFF_TYPE__ incorrectly for
- NetBSD. */
-#undef CPP_ARCH32_SPEC
-#define CPP_ARCH32_SPEC "-D__GCC_NEW_VARARGS__ -Acpu=sparc -Amachine=sparc"
-
-#undef CPP_ARCH64_SPEC
-#define CPP_ARCH64_SPEC "-D__arch64__ -Acpu=sparc64 -Amachine=sparc64"
-
-/* sparc/sparc.h defines NO_BUILTIN_SIZE_TYPE and NO_BUILTIN_PTRDIFF_TYPE
- if SPARC_BI_ARCH is defined. This is wrong for NetBSD; size_t and
- ptrdiff_t do not change for 32-bit vs. 64-bit. */
-#undef NO_BUILTIN_PTRDIFF_TYPE
-#undef NO_BUILTIN_SIZE_TYPE
+/* CPP defines used by all NetBSD targets. */
+#undef CPP_SUBTARGET_SPEC
+#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
#undef SIZE_TYPE
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-
/* This is the char to use for continuation (in case we need to turn
continuation back on). */
#undef DBX_CONTIN_CHAR
#define DBX_CONTIN_CHAR '?'
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(REGNO) \
- (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
-
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
-/* This is how to output a definition of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
-
-/* This is how to output a reference to an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#undef ASM_OUTPUT_INTERNAL_LABELREF
-#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
- fprintf (FILE, ".L%s%d", PREFIX, NUM)
-
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
#define USER_LABEL_PREFIX ""
#undef ASM_SPEC
-#define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
+#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
%{mlittle-endian:-EL} \
%(asm_cpu) %(asm_arch) %(asm_relax)"
#undef STDC_0_IN_SYSTEM_HEADERS
+/* Attempt to enable execute permissions on the stack. */
+#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
+
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
-/*
- * Clean up afterwards generic SPARC ELF configuration.
- */
-
-/* FIXME: Aren't these supposed to be available for SPARC ELF? */
-#undef MULDI3_LIBCALL
-#undef DIVDI3_LIBCALL
-#undef UDIVDI3_LIBCALL
-#undef MODDI3_LIBCALL
-#undef UMODDI3_LIBCALL
-#undef INIT_SUBTARGET_OPTABS
-#define INIT_SUBTARGET_OPTABS
-
/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
- description, allowing one to build 32 bit or 64 bit applications
+ description, allowing one to build 32-bit or 64-bit applications
on either. We define the sparc & sparc64 versions of things,
occasionally a neutral version (should be the same as "netbsd-elf.h")
and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
/* Make sure we use the right output format. Pick a default and then
make sure -m32/-m64 switch to the right one. */
-#define LINK_ARCH32_SPEC \
- "%-m elf32_sparc \
- %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
- %{shared:-shared} \
- %{!shared: \
- -dp \
- %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
- %{!static: \
- -dy %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
- %{static:-static}}"
-
-#define LINK_ARCH64_SPEC \
- "%-m elf64_sparc \
- %{assert*} %{R*} %{V} %{v:%{!V:-V}} \
- %{shared:-shared} \
- %{!shared: \
- -dp \
- %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
- %{!static: \
- -dy %{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
- %{static:-static}}"
-
-#define LINK_ARCH_SPEC "\
-%{m32:%(link_arch32)} \
-%{m64:%(link_arch64)} \
-%{!m32:%{!m64:%(link_arch_default)}} \
-"
+#define LINK_ARCH32_SPEC "-m elf32_sparc"
+
+#define LINK_ARCH64_SPEC "-m elf64_sparc"
+
+#define LINK_ARCH_SPEC \
+ "%{m32:%(link_arch32)} \
+ %{m64:%(link_arch64)} \
+ %{!m32:%{!m64:%(link_arch_default)}}"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "%(link_arch) \
+ %{!mno-relax:%{!r:-relax}} \
+ %(netbsd_link_spec)"
+
+#define NETBSD_ENTRY_POINT "__start"
#if DEFAULT_ARCH32_P
#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
{ "link_arch64", LINK_ARCH64_SPEC }, \
{ "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
{ "link_arch", LINK_ARCH_SPEC }, \
- { "cpp_subtarget_spec32", CPP_SUBTARGET_SPEC32 }, \
- { "cpp_subtarget_spec64", CPP_SUBTARGET_SPEC64 },
-
-
-/* What extra switches do we need? */
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
- {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
- {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
+ { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
+ { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
+ { "netbsd_entry_point", NETBSD_ENTRY_POINT },
/* Build a compiler that supports -m32 and -m64? */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-#undef MAX_LONG_DOUBLE_TYPE_SIZE
-#define MAX_LONG_DOUBLE_TYPE_SIZE 128
-
#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
#else
#define MULTILIB_DEFAULTS { "m64" }
#endif
-#undef CPP_SUBTARGET_SPEC
-#if DEFAULT_ARCH32_P
-#define CPP_SUBTARGET_SPEC \
- "%{m64:%(cpp_subtarget_spec64)}%{!m64:%(cpp_subtarget_spec32)}"
-#else
-#define CPP_SUBTARGET_SPEC \
- "%{!m32:%(cpp_subtarget_spec64)}%{m32:%(cpp_subtarget_spec32)}"
-#endif
-
-/* Restore this from sparc/sparc.h, netbsd.h changes it. */
-#undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %(cpp_arch) %(cpp_endian) %(cpp_subtarget)"
-
-/* Name the port. */
+/* Name the port. */
#undef TARGET_NAME
#define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 128
-#undef MAX_LONG_DOUBLE_TYPE_SIZE
-#define MAX_LONG_DOUBLE_TYPE_SIZE 128
-
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC64
-#undef CPP_SUBTARGET_SPEC
-#define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC64
-
#undef TARGET_NAME
#define TARGET_NAME TARGET_NAME64
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE 64
-#undef MAX_LONG_DOUBLE_TYPE_SIZE
-#define MAX_LONG_DOUBLE_TYPE_SIZE 64
-
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#undef CPP_SUBTARGET_SPEC
-#define CPP_SUBTARGET_SPEC CPP_SUBTARGET_SPEC32
-
#undef CC1_SPEC
#define CC1_SPEC CC1_SPEC32