diff options
Diffstat (limited to 'lang/gcc49/patches/patch-gcc_config_host-netbsd.c')
| -rw-r--r-- | lang/gcc49/patches/patch-gcc_config_host-netbsd.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/lang/gcc49/patches/patch-gcc_config_host-netbsd.c b/lang/gcc49/patches/patch-gcc_config_host-netbsd.c new file mode 100644 index 00000000000..9347214dcb1 --- /dev/null +++ b/lang/gcc49/patches/patch-gcc_config_host-netbsd.c @@ -0,0 +1,93 @@ +$NetBSD: patch-gcc_config_host-netbsd.c,v 1.1 2015/08/05 20:17:51 martin Exp $ + +Add host hooks for NetBSD - needed for working precompiled headers. +http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58397 + +--- /dev/null 2013-09-11 20:06:51.000000000 +0200 ++++ gcc/config/host-netbsd.c 2013-09-11 20:29:31.000000000 +0200 +@@ -0,0 +1,85 @@ ++/* NetBSD host-specific hook definitions. ++ Copyright (C) 2004-2013 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 3, 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 COPYING3. If not see ++ <http://www.gnu.org/licenses/>. */ ++ ++#include "config.h" ++#include "system.h" ++#include "coretypes.h" ++#include "hosthooks.h" ++#include "hosthooks-def.h" ++ ++ ++#undef HOST_HOOKS_GT_PCH_GET_ADDRESS ++#define HOST_HOOKS_GT_PCH_GET_ADDRESS netbsd_gt_pch_get_address ++#undef HOST_HOOKS_GT_PCH_USE_ADDRESS ++#define HOST_HOOKS_GT_PCH_USE_ADDRESS netbsd_gt_pch_use_address ++ ++/* For various ports, try to guess a fixed spot in the vm space ++ that's probably free. */ ++#if defined(__sparc64__) ++# define TRY_EMPTY_VM_SPACE 0x40000000000 ++#elif defined(_LP64) ++# define TRY_EMPTY_VM_SPACE 0x400000000000 ++#elif defined(__mips__) || defined(__vax__) || defined (__arm__) ++# define TRY_EMPTY_VM_SPACE 0x60000000 ++#else ++# define TRY_EMPTY_VM_SPACE 0xb0000000 ++#endif ++ ++/* Determine a location where we might be able to reliably allocate ++ SIZE bytes. FD is the PCH file, though we should return with the ++ file unmapped. */ ++ ++static void * ++netbsd_gt_pch_get_address (size_t size, int fd) ++{ ++ void *addr; ++ ++ addr = mmap ((void *) TRY_EMPTY_VM_SPACE, size, PROT_READ | PROT_WRITE, ++ MAP_PRIVATE | MAP_FIXED, fd, 0); ++ ++ /* If we failed the map, that means there's *no* free space. */ ++ if (addr == (void *) MAP_FAILED) ++ return NULL; ++ /* Unmap the area before returning. */ ++ munmap (addr, size); ++ ++ return addr; ++} ++ ++/* Map SIZE bytes of FD+OFFSET at BASE. Return 1 if we succeeded at ++ mapping the data at BASE, -1 if we couldn't. */ ++ ++static int ++netbsd_gt_pch_use_address (void *base, size_t size, int fd, size_t offset) ++{ ++ void *addr; ++ ++ /* We're called with size == 0 if we're not planning to load a PCH ++ file at all. This allows the hook to free any static space that ++ we might have allocated at link time. */ ++ if (size == 0) ++ return -1; ++ ++ addr = mmap (base, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_FIXED, fd, offset); ++ ++ return addr == base ? 1 : -1; ++} ++ ++ ++const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER; |