espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-10-12 18:36:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

2011-06-27 Tristan Gingold <gingold@adacore.com>

Browse Source 
* cache.c: Include bfd_stdint.h.
	(cache_bmmap): Change profile.  Return region start and size.
	* bfdio.c (struct bfd_iovec): Change bmmap profile.
	(bfd_mmap): Change profile and adjust.   Update comment.
	(memory_bmmap): Change profile.
	* opncls.c (opncls_bmmap): Change profile.
	* vms-lib.c (vms_lib_bmmap): Likewise.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.
This commit is contained in:
Tristan Gingold
2011-06-27 08:41:00 +00:00
parent 62a35308be
commit 4c95ab762c
7 changed files with 79 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
bfd/cache.c
View File

@ -45,6 +45,7 @@ SUBSECTION
#include "bfd.h"
#include "libbfd.h"
#include "libiberty.h"
#include "bfd_stdint.h"
#ifdef HAVE_MMAP
#include <sys/mman.h>
@ -398,7 +399,9 @@ cache_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
bfd_size_type len ATTRIBUTE_UNUSED,
int prot 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;
@ -407,13 +410,35 @@ cache_bmmap (struct bfd *abfd ATTRIBUTE_UNUSED,
#ifdef HAVE_MMAP
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)
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)
bfd_set_error (bfd_error_system_call);
else
{
*map_addr = ret;
*map_len = pg_len;
ret += offset & pagesize_m1;
}
}
#endif