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2001-09-17 H.J. Lu <hjl@gnu.org>

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* dwarf1.c (parse_die): Take a new arg for the end of the
	section. Return false if die is beyond the section.
	(parse_functions_in_unit): Pass the end of the section to
	parse_die ().
	(_bfd_dwarf1_find_nearest_line): Likewise.
This commit is contained in:
H.J. Lu 2001-09-17 15:13:13 +00:00
parent 089e0fcb62
commit bb731fb645
2 changed files with 17 additions and 5 deletions
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8
bfd/ChangeLog
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@ -1,3 +1,11 @@
2001-09-17 H.J. Lu <hjl@gnu.org>
* dwarf1.c (parse_die): Take a new arg for the end of the
section. Return false if die is beyond the section.
(parse_functions_in_unit): Pass the end of the section to
parse_die ().
(_bfd_dwarf1_find_nearest_line): Likewise.
2001-09-14 Michael Rauch <mrauch@netbsd.org>
* elf32-sparc.c (elf32_sparc_relocate_section): Treat R_SPARC_UA32

14
bfd/dwarf1.c
View File

@ -129,7 +129,7 @@ struct linenumber {
static struct dwarf1_unit *alloc_dwarf1_unit PARAMS ((struct dwarf1_debug *));
static struct dwarf1_func *alloc_dwarf1_func
PARAMS ((struct dwarf1_debug *, struct dwarf1_unit *));
static boolean parse_die PARAMS ((bfd *, struct die_info *, char *));
static boolean parse_die PARAMS ((bfd *, struct die_info *, char *, char *));
static boolean parse_line_table
PARAMS ((struct dwarf1_debug *, struct dwarf1_unit *));
static boolean parse_functions_in_unit
@ -179,10 +179,11 @@ alloc_dwarf1_func (stash, aUnit)
Return false if the die is invalidly formatted; true otherwise. */
static boolean
parse_die (abfd, aDieInfo, aDiePtr)
parse_die (abfd, aDieInfo, aDiePtr, aDiePtrEnd)
bfd* abfd;
struct die_info* aDieInfo;
char* aDiePtr;
char* aDiePtrEnd;
{
char* this_die = aDiePtr;
char* xptr = this_die;
@ -192,7 +193,8 @@ parse_die (abfd, aDieInfo, aDiePtr)
/* First comes the length. */
aDieInfo->length = bfd_get_32 (abfd, (bfd_byte *) xptr);
xptr += 4;
if (aDieInfo->length == 0)
if (aDieInfo->length == 0
|| (this_die + aDieInfo->length) >= aDiePtrEnd)
return false;
if (aDieInfo->length < 6)
{
@ -360,7 +362,8 @@ parse_functions_in_unit (stash, aUnit)
{
struct die_info eachDieInfo;
if (! parse_die (stash->abfd, &eachDieInfo, eachDie))
if (! parse_die (stash->abfd, &eachDieInfo, eachDie,
stash->debug_section_end))
return false;
if (eachDieInfo.tag == TAG_global_subroutine
@ -534,7 +537,8 @@ _bfd_dwarf1_find_nearest_line (abfd, section, symbols, offset,
{
struct die_info aDieInfo;
if (! parse_die (stash->abfd, &aDieInfo, stash->currentDie))
if (! parse_die (stash->abfd, &aDieInfo, stash->currentDie,
stash->debug_section_end))
return false;
if (aDieInfo.tag == TAG_compile_unit)