diff options
Diffstat (limited to 'gcc/config/host-netbsd.c')
-rw-r--r-- | gcc/config/host-netbsd.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/gcc/config/host-netbsd.c b/gcc/config/host-netbsd.c deleted file mode 100644 index 6dd39e8..0000000 --- a/gcc/config/host-netbsd.c +++ /dev/null @@ -1,85 +0,0 @@ -/* NetBSD host-specific hook definitions. - Copyright (C) 2004-2022 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; |