X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=liblttng-ust%2Flttng-ust-baddr.c;h=dec7e82d6e9c84afb065a1d33ec9ea0f53760c5c;hb=ccb19569716f805421716b5efde0e3156a6757e3;hp=90ffe688a3c65ba18c28f54a719f5a33ac235db8;hpb=f0cc794d37abf59b4b8079612c7aa03dc305d92f;p=lttng-ust.git diff --git a/liblttng-ust/lttng-ust-baddr.c b/liblttng-ust/lttng-ust-baddr.c index 90ffe688..dec7e82d 100644 --- a/liblttng-ust/lttng-ust-baddr.c +++ b/liblttng-ust/lttng-ust-baddr.c @@ -18,7 +18,6 @@ #define _LGPL_SOURCE #define _GNU_SOURCE -#include #include #include @@ -155,28 +154,29 @@ static void dump_exec_baddr(struct extract_data *data) { void *owner = data->owner; - Dl_info dl_info = { 0 }; void *base_addr_ptr; - char resolved_path[PATH_MAX]; + char exe_path[PATH_MAX]; + ssize_t exe_len; base_addr_ptr = data->exec_baddr; if (!base_addr_ptr) return; /* - * We have to use Dl_info to determine the executable full path. + * We have to use /proc/self/exe to determine the executable full + * path. */ - if (!dladdr(base_addr_ptr, &dl_info)) + exe_len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1); + if (exe_len <= 0) return; - if (!realpath(dl_info.dli_fname, resolved_path)) - return; - trace_baddr(base_addr_ptr, resolved_path, 0, owner); + exe_path[exe_len] = '\0'; + trace_baddr(base_addr_ptr, exe_path, 0, owner); } int lttng_ust_baddr_statedump(void *owner) { struct extract_data data; - if (getenv("LTTNG_UST_WITHOUT_BADDR_STATEDUMP")) + if (!getenv("LTTNG_UST_WITH_EXPERIMENTAL_BADDR_STATEDUMP")) return 0; data.owner = owner;