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Remove the appname string of the ARM extbl parser.

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There is no need for libunwind to set/fake a name of the elf file from which
the program header came from.

Signed-off-by: Ken Werner <ken.werner@linaro.org>
This commit is contained in:
Ken Werner 2011-03-23 15:55:03 +00:00 committed by Arun Sharma
parent dcb8d0d90f
commit 6296ff1fb2
3 changed files with 4 additions and 10 deletions
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2
include/tdep-arm/ex_tables.h
View file

@ -61,7 +61,7 @@ struct arm_exbuf_data
};
int arm_exidx_init_local (const char *appname);
int arm_exidx_init_local (void);
int arm_exidx_table_add (const char *name, struct arm_exidx_entry *start,
struct arm_exidx_entry *end);
struct arm_exidx_table *arm_exidx_table_find (void *pc);

2
src/arm/Ginit_local.c
View file

@ -50,7 +50,7 @@ unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
c->dwarf.as_arg = uc;
if (UNW_TRY_METHOD (UNW_ARM_METHOD_EXIDX))
arm_exidx_init_local ("libunwind");
arm_exidx_init_local ();
return common_init (c, 1);
}

10
src/arm/ex_tables.c
View file

@ -45,7 +45,6 @@ static struct arm_exidx_table *arm_exidx_table_list;
static struct arm_exidx_table arm_exidx_tables[ARM_EXIDX_TABLE_LIMIT];
static unsigned arm_exidx_table_count = 0;
#endif
static const char *arm_exidx_appname;
static inline uint32_t
prel31_read (uint32_t prel31)
@ -436,14 +435,10 @@ arm_exidx_init_local_cb (struct dl_phdr_info *info, size_t size, void *data)
if (phdr->p_type != PT_ARM_EXIDX)
continue;
const char *name = info->dlpi_name;
if (NULL == name || 0 == name[0])
name = arm_exidx_appname;
ElfW (Addr) addr = info->dlpi_addr + phdr->p_vaddr;
ElfW (Word) size = phdr->p_filesz;
arm_exidx_table_add (name,
arm_exidx_table_add (info->dlpi_name,
(struct arm_exidx_entry *)addr,
(struct arm_exidx_entry *)(addr + size));
break;
@ -456,9 +451,8 @@ arm_exidx_init_local_cb (struct dl_phdr_info *info, size_t size, void *data)
* shared objects to collect the unwind tables.
*/
HIDDEN int
arm_exidx_init_local (const char *appname)
arm_exidx_init_local (void)
{
arm_exidx_appname = appname;
arm_exidx_table_reset_all();
return dl_iterate_phdr (&arm_exidx_init_local_cb, NULL);
}