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Diffstat (limited to 'contrib/gcc/config/host-solaris.c')
-rw-r--r-- | contrib/gcc/config/host-solaris.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/contrib/gcc/config/host-solaris.c b/contrib/gcc/config/host-solaris.c deleted file mode 100644 index df5f47391a7b..000000000000 --- a/contrib/gcc/config/host-solaris.c +++ /dev/null @@ -1,79 +0,0 @@ -/* Solaris host-specific hook definitions. - Copyright (C) 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. */ - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include <sys/mman.h> -#include "hosthooks.h" -#include "hosthooks-def.h" - - -#undef HOST_HOOKS_GT_PCH_USE_ADDRESS -#define HOST_HOOKS_GT_PCH_USE_ADDRESS sol_gt_pch_use_address - -/* 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 -sol_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, - fd, offset); - - /* Solaris isn't good about honoring the mmap START parameter - without MAP_FIXED set. Before we give up, search the desired - address space with mincore to see if the space is really free. */ - if (addr != base) - { - size_t page_size = getpagesize(); - char one_byte; - size_t i; - - if (addr != (void *) MAP_FAILED) - munmap (addr, size); - - errno = 0; - for (i = 0; i < size; i += page_size) - if (mincore ((char *)base + i, page_size, (void *)&one_byte) == -1 - && errno == ENOMEM) - continue; /* The page is not mapped. */ - else - break; - - if (i >= size) - 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; |