diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/netbsd.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/netbsd.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/netbsd.h b/gcc-4.2.1-5666.3/gcc/config/netbsd.h deleted file mode 100644 index 5386b6565..000000000 --- a/gcc-4.2.1-5666.3/gcc/config/netbsd.h +++ /dev/null @@ -1,227 +0,0 @@ -/* Base configuration file for all NetBSD targets. - Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 - Free Software Foundation, Inc. - -This file is part of GCC. - -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. - -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 GCC; see the file COPYING. If not, write to -the Free Software Foundation, 51 Franklin Street, Fifth Floor, -Boston, MA 02110-1301, USA. */ - -/* TARGET_OS_CPP_BUILTINS() common to all NetBSD targets. */ -#define NETBSD_OS_CPP_BUILTINS_COMMON() \ - do \ - { \ - builtin_define ("__NetBSD__"); \ - builtin_define ("__unix__"); \ - builtin_assert ("system=bsd"); \ - builtin_assert ("system=unix"); \ - builtin_assert ("system=NetBSD"); \ - } \ - while (0) - -/* CPP_SPEC parts common to all NetBSD targets. */ -#define NETBSD_CPP_SPEC \ - "%{posix:-D_POSIX_SOURCE} \ - %{pthread:-D_REENTRANT -D_PTHREADS}" - -/* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD - source tree so it can be configured appropriately without using - the GNU configure/build mechanism. */ - -#ifdef NETBSD_NATIVE - -/* Look for the include files in the system-defined places. */ - -#undef GPLUSPLUS_INCLUDE_DIR -#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++" - -#undef GCC_INCLUDE_DIR -#define GCC_INCLUDE_DIR "/usr/include" - -#undef INCLUDE_DEFAULTS -#define INCLUDE_DEFAULTS \ - { \ - { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 }, \ - { GCC_INCLUDE_DIR, "GCC", 0, 0 }, \ - { 0, 0, 0, 0 } \ - } - -/* Under NetBSD, the normal location of the compiler back ends is the - /usr/libexec directory. */ - -#undef STANDARD_EXEC_PREFIX -#define STANDARD_EXEC_PREFIX "/usr/libexec/" - -/* Under NetBSD, the normal location of the various *crt*.o files is the - /usr/lib directory. */ - -#undef STANDARD_STARTFILE_PREFIX -#define STANDARD_STARTFILE_PREFIX "/usr/lib/" - -#endif /* NETBSD_NATIVE */ - - -/* Provide a LIB_SPEC appropriate for NetBSD. Here we: - - 1. Select the appropriate set of libs, depending on whether we're - profiling. - - 2. Include the pthread library if -pthread is specified (only - if threads are enabled). - - 3. Include the posix library if -posix is specified. - - FIXME: Could eliminate the duplication here if we were allowed to - use string concatenation. */ - -#ifdef NETBSD_ENABLE_PTHREADS -#define NETBSD_LIB_SPEC \ - "%{pthread: \ - %{!p: \ - %{!pg:-lpthread}} \ - %{p:-lpthread_p} \ - %{pg:-lpthread_p}} \ - %{posix: \ - %{!p: \ - %{!pg:-lposix}} \ - %{p:-lposix_p} \ - %{pg:-lposix_p}} \ - %{!shared: \ - %{!symbolic: \ - %{!p: \ - %{!pg:-lc}} \ - %{p:-lc_p} \ - %{pg:-lc_p}}}" -#else -#define NETBSD_LIB_SPEC \ - "%{posix: \ - %{!p: \ - %{!pg:-lposix}} \ - %{p:-lposix_p} \ - %{pg:-lposix_p}} \ - %{!shared: \ - %{!symbolic: \ - %{!p: \ - %{!pg:-lc}} \ - %{p:-lc_p} \ - %{pg:-lc_p}}}" -#endif - -#undef LIB_SPEC -#define LIB_SPEC NETBSD_LIB_SPEC - -/* Provide a LIBGCC_SPEC appropriate for NetBSD. We also want to exclude - libgcc with -symbolic. */ - -#ifdef NETBSD_NATIVE -#define NETBSD_LIBGCC_SPEC \ - "%{!symbolic: \ - %{!shared: \ - %{!p: \ - %{!pg: -lgcc}}} \ - %{shared: -lgcc_pic} \ - %{p: -lgcc_p} \ - %{pg: -lgcc_p}}" -#else -#define NETBSD_LIBGCC_SPEC "%{!shared:%{!symbolic: -lgcc}}" -#endif - -#undef LIBGCC_SPEC -#define LIBGCC_SPEC NETBSD_LIBGCC_SPEC - -/* When building shared libraries, the initialization and finalization - functions for the library are .init and .fini respectively. */ - -#define COLLECT_SHARED_INIT_FUNC(STREAM,FUNC) \ - do { \ - fprintf ((STREAM), "void __init() __asm__ (\".init\");"); \ - fprintf ((STREAM), "void __init() {\n\t%s();\n}\n", (FUNC)); \ - } while (0) - -#define COLLECT_SHARED_FINI_FUNC(STREAM,FUNC) \ - do { \ - fprintf ((STREAM), "void __fini() __asm__ (\".fini\");"); \ - fprintf ((STREAM), "void __fini() {\n\t%s();\n}\n", (FUNC)); \ - } while (0) - -#undef TARGET_POSIX_IO -#define TARGET_POSIX_IO - -/* Handle #pragma weak and #pragma pack. */ - -#define HANDLE_SYSV_PRAGMA 1 - -/* Don't assume anything about the header files. */ -#undef NO_IMPLICIT_EXTERN_C -#define NO_IMPLICIT_EXTERN_C 1 - -/* Define some types that are the same on all NetBSD platforms, - making them agree with <machine/ansi.h>. */ - -#undef WCHAR_TYPE -#define WCHAR_TYPE "int" - -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 - -#undef WINT_TYPE -#define WINT_TYPE "int" - - -/* Attempt to turn on execute permission for the stack. This may be - used by INITIALIZE_TRAMPOLINE of the target needs it (that is, - if the target machine can change execute permissions on a page). - - There is no way to query the execute permission of the stack, so - we always issue the mprotect() call. - - Note that we go out of our way to use namespace-non-invasive calls - here. Unfortunately, there is no libc-internal name for mprotect(). - - Also note that no errors should be emitted by this code; it is considered - dangerous for library calls to send messages to stdout/stderr. */ - -#define NETBSD_ENABLE_EXECUTE_STACK \ -extern void __enable_execute_stack (void *); \ -void \ -__enable_execute_stack (void *addr) \ -{ \ - extern int mprotect (void *, size_t, int); \ - extern int __sysctl (int *, unsigned int, void *, size_t *, \ - void *, size_t); \ - \ - static int size; \ - static long mask; \ - \ - char *page, *end; \ - \ - if (size == 0) \ - { \ - int mib[2]; \ - size_t len; \ - \ - mib[0] = 6; /* CTL_HW */ \ - mib[1] = 7; /* HW_PAGESIZE */ \ - len = sizeof (size); \ - (void) __sysctl (mib, 2, &size, &len, NULL, 0); \ - mask = ~((long) size - 1); \ - } \ - \ - page = (char *) (((long) addr) & mask); \ - end = (char *) ((((long) (addr + TRAMPOLINE_SIZE)) & mask) + size); \ - \ - /* 7 == PROT_READ | PROT_WRITE | PROT_EXEC */ \ - (void) mprotect (page, end - page, 7); \ -} |