mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-10-02 19:39:30 +02:00
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#include <stdio.h>
|
|
|
|
#include "internal.h"
|
|
|
|
static inline int
|
|
local_find_proc_info (unw_addr_space_t as, unw_word_t ip,
|
|
unw_proc_info_t *pi,
|
|
int need_unwind_info, void *arg)
|
|
{
|
|
unw_dyn_info_t *di;
|
|
|
|
for (di = _U_dyn_info_list.first; di; di = di->next)
|
|
if (ip >= di->start_ip && ip < di->end_ip)
|
|
return unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info,
|
|
arg);
|
|
return -UNW_ENOINFO;
|
|
}
|
|
|
|
static inline int
|
|
remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
|
|
int need_unwind_info, void *arg)
|
|
{
|
|
unw_word_t generation;
|
|
int ret;
|
|
|
|
ret = unwi_dyn_remote_find_proc_info (as, ip, pi, &generation,
|
|
need_unwind_info, arg);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* Note: this can't go into dyn-remote.c because that file get's
|
|
compiled exactly once (there are no separate local/general
|
|
versions) and the call to unw_flush_cache() must evaluate to
|
|
either the local or generic version. */
|
|
if (as->dyn_generation != generation)
|
|
{
|
|
unw_flush_cache (as, 0, 0);
|
|
as->dyn_generation = generation;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
HIDDEN int
|
|
unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip,
|
|
unw_proc_info_t *pi, int need_unwind_info,
|
|
void *arg)
|
|
{
|
|
#ifdef UNW_LOCAL_ONLY
|
|
return local_find_proc_info (as, ip, pi, need_unwind_info, arg);
|
|
#else
|
|
# ifdef UNW_REMOTE_ONLY
|
|
return remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
|
|
# else
|
|
if (as == unw_local_addr_space)
|
|
return local_find_proc_info (as, ip, pi, need_unwind_info, arg);
|
|
else
|
|
return remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
|
|
# endif
|
|
#endif
|
|
}
|