-/* Definitions for Sun Sparc64 running FreeBSD using the ELF format
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+/* Definitions for Sun SPARC64 running FreeBSD using the ELF format
+ Copyright (C) 2001, 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
-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)
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-/* FreeBSD needs's the platform name (sparc64) defined. */
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
-#undef CPP_CPU64_DEFAULT_SPEC
-#define CPP_CPU64_DEFAULT_SPEC "-D__sparc64__ -D__sparc_v9__"
+/* FreeBSD needs the platform name (sparc64) defined.
+ Emacs needs to know if the arch is 64 or 32-bits. */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES FBSD_CPP_PREDEFINES
+#undef CPP_CPU64_DEFAULT_SPEC
+#define CPP_CPU64_DEFAULT_SPEC \
+ "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"
#define LINK_SPEC "%(link_arch) \
%{!mno-relax:%{!r:-relax}} \
- %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
- %{Wl,*:%*} \
+ %{p:%nconsider using `-pg' instead of `-p' with gprof(1)} \
%{assert*} %{R*} %{rpath*} %{defsym*} \
%{shared:-Bshareable %{h*} %{soname*}} \
%{symbolic:-Bsymbolic} \
%{!shared: \
%{!static: \
%{rdynamic:-export-dynamic} \
- %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
+ %{!dynamic-linker:-dynamic-linker %(fbsd_dynamic_linker) }} \
%{static:-Bstatic}}"
We use the GCC defaults instead. */
#undef WCHAR_TYPE
-#undef WCHAR_UNSIGNED
-#define WCHAR_UNSIGNED 0
-
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32
/* Define for support of TFmode long double.
- Sparc ABI says that long double is 4 words. */
+ SPARC ABI says that long double is 4 words. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
-/* Constant which presents upper bound of the above value. */
-#undef MAX_LONG_DOUBLE_TYPE_SIZE
-#define MAX_LONG_DOUBLE_TYPE_SIZE 128
-
/* Define this to set long double type size to use in libgcc2.c, which can
not depend on target_flags. */
#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
/* Definitions for 64-bit SPARC running systems with ELF. */
-#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") },
-
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (FreeBSD/sparc64 ELF)");
/* The default code model. */
#undef SPARC_DEFAULT_CMODEL
-#define SPARC_DEFAULT_CMODEL CM_MEDMID
+#define SPARC_DEFAULT_CMODEL CM_MEDLOW
+
+#define ENABLE_EXECUTE_STACK \
+ static int need_enable_exec_stack; \
+ static void check_enabling(void) __attribute__ ((constructor)); \
+ static void check_enabling(void) \
+ { \
+ extern int sysctlbyname(const char *, void *, size_t *, void *, size_t);\
+ int prot = 0; \
+ size_t len = sizeof(prot); \
+ \
+ sysctlbyname ("kern.stackprot", &prot, &len, NULL, 0); \
+ if (prot != 7) \
+ need_enable_exec_stack = 1; \
+ } \
+ extern void __enable_execute_stack (void *); \
+ void __enable_execute_stack (void *addr) \
+ { \
+ if (!need_enable_exec_stack) \
+ return; \
+ else { \
+ /* 7 is PROT_READ | PROT_WRITE | PROT_EXEC */ \
+ if (mprotect (addr, TRAMPOLINE_SIZE, 7) < 0) \
+ perror ("mprotect of trampoline code"); \
+ } \
+ }
/************************[ Assembler stuff ]********************************/
#define LOCAL_LABEL_PREFIX "."
/* XXX2 */
-/* 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)
-
-/* XXX2 */
-/* 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)
-
-/* XXX2 */
/* 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.
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
+ sprintf (LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM))
/************************[ Debugger stuff ]*********************************/
/* #define DWARF_OFFSET_SIZE PTR_SIZE */
#undef ENDFILE_SPEC
-#define ENDFILE_SPEC \
- "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}" \
- FBSD_ENDFILE_SPEC
+#define ENDFILE_SPEC \
+ "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
+ FBSD_ENDFILE_SPEC
+
+/* We use GNU ld so undefine this so that attribute((init_priority)) works. */
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
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