PR 21414, null pointer deref of _bfd_elf_large_com_section sym
PR 21414 * section.c (GLOBAL_SYM_INIT): Make available in bfd.h. * elf.c (lcomm_sym): New. (_bfd_elf_large_com_section): Use lcomm_sym section symbol. * bfd-in2.h: Regenerate.
This commit is contained in:
parent
bce964aa6c
commit
7eacd66b08
@ -1,3 +1,11 @@
|
||||
2017-04-23 Alan Modra <amodra@gmail.com>
|
||||
|
||||
PR 21414
|
||||
* section.c (GLOBAL_SYM_INIT): Make available in bfd.h.
|
||||
* elf.c (lcomm_sym): New.
|
||||
(_bfd_elf_large_com_section): Use lcomm_sym section symbol.
|
||||
* bfd-in2.h: Regenerate.
|
||||
|
||||
2017-04-23 Alan Modra <amodra@gmail.com>
|
||||
|
||||
PR 21412
|
||||
|
@ -1839,6 +1839,18 @@ extern asection _bfd_std_section[4];
|
||||
{ NULL }, { NULL } \
|
||||
}
|
||||
|
||||
/* We use a macro to initialize the static asymbol structures because
|
||||
traditional C does not permit us to initialize a union member while
|
||||
gcc warns if we don't initialize it.
|
||||
the_bfd, name, value, attr, section [, udata] */
|
||||
#ifdef __STDC__
|
||||
#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
{ 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }}
|
||||
#else
|
||||
#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
{ 0, NAME, 0, BSF_SECTION_SYM, SECTION }
|
||||
#endif
|
||||
|
||||
void bfd_section_list_clear (bfd *);
|
||||
|
||||
asection *bfd_get_section_by_name (bfd *abfd, const char *name);
|
||||
|
@ -11244,9 +11244,11 @@ _bfd_elf_get_synthetic_symtab (bfd *abfd,
|
||||
|
||||
/* It is only used by x86-64 so far.
|
||||
??? This repeats *COM* id of zero. sec->id is supposed to be unique,
|
||||
but current usage would allow all of _bfd_std_section to be zero. t*/
|
||||
but current usage would allow all of _bfd_std_section to be zero. */
|
||||
static const asymbol lcomm_sym
|
||||
= GLOBAL_SYM_INIT ("LARGE_COMMON", &_bfd_elf_large_com_section);
|
||||
asection _bfd_elf_large_com_section
|
||||
= BFD_FAKE_SECTION (_bfd_elf_large_com_section, NULL,
|
||||
= BFD_FAKE_SECTION (_bfd_elf_large_com_section, &lcomm_sym,
|
||||
"LARGE_COMMON", 0, SEC_IS_COMMON);
|
||||
|
||||
void
|
||||
|
@ -738,20 +738,20 @@ CODE_FRAGMENT
|
||||
. { NULL }, { NULL } \
|
||||
. }
|
||||
.
|
||||
.{* We use a macro to initialize the static asymbol structures because
|
||||
. traditional C does not permit us to initialize a union member while
|
||||
. gcc warns if we don't initialize it.
|
||||
. the_bfd, name, value, attr, section [, udata] *}
|
||||
.#ifdef __STDC__
|
||||
.#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
. { 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }}
|
||||
.#else
|
||||
.#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
. { 0, NAME, 0, BSF_SECTION_SYM, SECTION }
|
||||
.#endif
|
||||
.
|
||||
*/
|
||||
|
||||
/* We use a macro to initialize the static asymbol structures because
|
||||
traditional C does not permit us to initialize a union member while
|
||||
gcc warns if we don't initialize it. */
|
||||
/* the_bfd, name, value, attr, section [, udata] */
|
||||
#ifdef __STDC__
|
||||
#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
{ 0, NAME, 0, BSF_SECTION_SYM, SECTION, { 0 }}
|
||||
#else
|
||||
#define GLOBAL_SYM_INIT(NAME, SECTION) \
|
||||
{ 0, NAME, 0, BSF_SECTION_SYM, SECTION }
|
||||
#endif
|
||||
|
||||
/* These symbols are global, not specific to any BFD. Therefore, anything
|
||||
that tries to change them is broken, and should be repaired. */
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user