X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fsparc%2Ffreebsd.h;h=d3414004ddbc7a449bb981813d16452e0be5fa32;hb=64140cb5711a2ca61458b5d6ad5d172fadbc24e4;hp=e2dfa5958521ea022951d4047d09224a6e721bc9;hpb=ea81ed57ae700bdb2b5c681c8a7f4ec64b65f7b0;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/config/sparc/freebsd.h b/gcc/config/sparc/freebsd.h index e2dfa595852..d3414004ddb 100644 --- a/gcc/config/sparc/freebsd.h +++ b/gcc/config/sparc/freebsd.h @@ -1,42 +1,45 @@ -/* Definitions for Sun Sparc64 running FreeBSD using the ELF format - Copyright (C) 2001 Free Software Foundation, Inc. +/* Definitions for Sun SPARC64 running FreeBSD using the ELF format + Copyright (C) 2001, 2002, 2004, 2005 Free Software Foundation, Inc. Contributed by David E. O'Brien 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 "-m elf64_sparc %(link_arch) \ +#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}}" @@ -50,21 +53,14 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 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__) @@ -75,11 +71,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* 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)"); @@ -92,12 +83,37 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #undef TARGET_DEFAULT #define TARGET_DEFAULT \ (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \ - + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU \ + + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \ + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */) /* 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 ]********************************/ @@ -106,22 +122,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #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. @@ -129,7 +129,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #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 ]*********************************/ @@ -148,3 +148,12 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ RELATIVE relocations. */ /* #define DWARF_OFFSET_SIZE PTR_SIZE */ + +#undef 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