PROTECTED int
tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
unsigned long *segbase, unsigned long *mapoff,
char *path, size_t pathlen)
{
struct map_iterator mi;
int found = 0, rc;
unsigned long hi;
if (maps_init (&mi, pid) < 0)
return -1;
while (maps_next (&mi, segbase, &hi, mapoff))
if (ip >= *segbase && ip < hi)
{
found = 1;
break;
}
if (!found)
{
maps_close (&mi);
return -1;
}
if (path)
{
strncpy(path, mi.path, pathlen);
}
rc = elf_map_image (ei, mi.path);
maps_close (&mi);
return rc;
}
/* ANDROID support update. */
HIDDEN struct map_info *
map_create_list (pid_t pid)
{
struct map_iterator mi;
unsigned long start, end, offset, flags;
struct map_info *map_list = NULL;
struct map_info *cur_map;
if (maps_init (&mi, pid) < 0)
return NULL;
while (maps_next (&mi, &start, &end, &offset, &flags))
{
cur_map = map_alloc_info ();
if (cur_map == MAP_FAILED)
break;
cur_map->next = map_list;
cur_map->start = start;
cur_map->end = end;
cur_map->offset = offset;
cur_map->flags = flags;
cur_map->path = strdup (mi.path);
mutex_init (&cur_map->ei_lock);
cur_map->ei.size = 0;
cur_map->ei.image = NULL;
map_list = cur_map;
}
maps_close (&mi);
return map_list;
}
static inline int
get_list_addr (unw_addr_space_t as, unw_word_t *dil_addr, void *arg,
int *countp)
{
unsigned long lo, hi, off;
struct UPT_info *ui = arg;
struct map_iterator mi;
char path[PATH_MAX];
unw_dyn_info_t *di;
unw_word_t res;
int count = 0;
maps_init (&mi, ui->pid);
while (maps_next (&mi, &lo, &hi, &off))
{
if (off)
continue;
if (ui->ei.image)
{
munmap (ui->ei.image, ui->ei.size);
ui->ei.image = NULL;
ui->ei.size = 0;
/* invalidate the cache: */
ui->di_cache.start_ip = ui->di_cache.end_ip = 0;
}
if (elf_map_image (&ui->ei, path) < 0)
/* ignore unmappable stuff like "/SYSV00001b58 (deleted)" */
continue;
Debug (16, "checking object %s\n", path);
di = _UPTi_find_unwind_table (ui, as, path, lo, off);
if (di)
{
res = _Uia64_find_dyn_list (as, di, arg);
if (res && count++ == 0)
{
Debug (12, "dyn_info_list_addr = 0x%lx\n", (long) res);
*dil_addr = res;
}
}
}
maps_close (&mi);
*countp = count;
return 0;
}
