diff options
| author | Holger Hans Peter Freyther <zecke@selfish.org> | 2009-10-28 09:12:43 +0100 |
|---|---|---|
| committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2009-11-19 09:40:03 +0100 |
| commit | 25f30ba00ae7a5be50724a77bdf7484886726b9b (patch) | |
| tree | 415550c118a242f7fad8f7b21bda7144eb3093cd /openbsc/src/gsm_utils.c | |
| parent | a8dffc512b0595d23c11af7e93bc9346ad136bc7 (diff) | |
misc: Add routine to generate backtrace from within the application
E.g. to analyze the subscr_get/subscr_put behavior one can place
the generate_backtrace into the functions, recompile and then filter
the output with contrib/bt.py to get the function name, file and line.
Diffstat (limited to 'openbsc/src/gsm_utils.c')
| -rw-r--r-- | openbsc/src/gsm_utils.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/openbsc/src/gsm_utils.c b/openbsc/src/gsm_utils.c index de18dba26..ddfd7f3de 100644 --- a/openbsc/src/gsm_utils.c +++ b/openbsc/src/gsm_utils.c @@ -23,8 +23,10 @@ #include <openbsc/gsm_data.h> #include <openbsc/gsm_utils.h> +#include <execinfo.h> #include <stdlib.h> #include <string.h> +#include <stdio.h> #include <errno.h> /* GSM 03.38 6.2.1 Charachter packing */ @@ -148,4 +150,21 @@ int ms_pwr_dbm(enum gsm_band band, u_int8_t lvl) return -EINVAL; } +void generate_backtrace() +{ + int i, nptrs; + void *buffer[100]; + char **strings; + + nptrs = backtrace(buffer, ARRAY_SIZE(buffer)); + printf("backtrace() returned %d addresses\n", nptrs); + + strings = backtrace_symbols(buffer, nptrs); + if (!strings) + return; + for (i = 1; i < nptrs; i++) + printf("%s\n", strings[i]); + + free(strings); +} |