| Line 43... |
Line 43... |
|
|
#include "sysdep.h"
|
#include "sysdep.h"
|
#include "bfd.h"
|
#include "bfd.h"
|
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "libiberty.h"
|
#include "libiberty.h"
|
|
#include "bfd_stdint.h"
|
|
|
#ifdef HAVE_MMAP
|
#ifdef HAVE_MMAP
|
#include <sys/mman.h>
|
#include <sys/mman.h>
|
#endif
|
#endif
|
|
|
| Line 396... |
Line 397... |
cache_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
|
cache_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
|
void *addr ATTRIBUTE_UNUSED,
|
void *addr ATTRIBUTE_UNUSED,
|
bfd_size_type len ATTRIBUTE_UNUSED,
|
bfd_size_type len ATTRIBUTE_UNUSED,
|
int prot ATTRIBUTE_UNUSED,
|
int prot ATTRIBUTE_UNUSED,
|
int flags ATTRIBUTE_UNUSED,
|
int flags ATTRIBUTE_UNUSED,
|
file_ptr offset ATTRIBUTE_UNUSED)
|
file_ptr offset ATTRIBUTE_UNUSED,
|
|
void **map_addr ATTRIBUTE_UNUSED,
|
|
bfd_size_type *map_len ATTRIBUTE_UNUSED)
|
{
|
{
|
void *ret = (void *) -1;
|
void *ret = (void *) -1;
|
|
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
if ((abfd->flags & BFD_IN_MEMORY) != 0)
|
abort ();
|
abort ();
|
#ifdef HAVE_MMAP
|
#ifdef HAVE_MMAP
|
else
|
else
|
{
|
{
|
FILE *f = bfd_cache_lookup (abfd, CACHE_NO_SEEK_ERROR);
|
static uintptr_t pagesize_m1;
|
|
FILE *f;
|
|
file_ptr pg_offset;
|
|
bfd_size_type pg_len;
|
|
|
|
f = bfd_cache_lookup (abfd, CACHE_NO_SEEK_ERROR);
|
if (f == NULL)
|
if (f == NULL)
|
return ret;
|
return ret;
|
|
|
ret = mmap (addr, len, prot, flags, fileno (f), offset);
|
if (pagesize_m1 == 0)
|
|
pagesize_m1 = getpagesize () - 1;
|
|
|
|
/* Handle archive members. */
|
|
if (abfd->my_archive != NULL)
|
|
offset += abfd->origin;
|
|
|
|
/* Align. */
|
|
pg_offset = offset & ~pagesize_m1;
|
|
pg_len = (len + (offset - pg_offset) + pagesize_m1) & ~pagesize_m1;
|
|
|
|
ret = mmap (addr, pg_len, prot, flags, fileno (f), pg_offset);
|
if (ret == (void *) -1)
|
if (ret == (void *) -1)
|
bfd_set_error (bfd_error_system_call);
|
bfd_set_error (bfd_error_system_call);
|
|
else
|
|
{
|
|
*map_addr = ret;
|
|
*map_len = pg_len;
|
|
ret += offset & pagesize_m1;
|
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
return ret;
|
return ret;
|
}
|
}
|
