diff --git a/ggml/src/ggml.c b/ggml/src/ggml.c index c76d00a39..4d5667884 100644 --- a/ggml/src/ggml.c +++ b/ggml/src/ggml.c @@ -141,7 +141,51 @@ typedef pthread_t ggml_thread_t; #include -#if defined(__linux__) +#if defined(__ANDROID__) +#include +#include +#include + +struct backtrace_state { + void ** current; + void ** end; +}; + +static _Unwind_Reason_Code unwind_callback(struct _Unwind_Context* context, void* arg) { + struct backtrace_state * state = (struct backtrace_state *)arg; + uintptr_t pc = _Unwind_GetIP(context); + if (pc) { + if (state->current == state->end) { + return _URC_END_OF_STACK; + } else { + *state->current++ = (void*)pc; + } + } + return _URC_NO_REASON; +} + +static void ggml_print_backtrace_symbols(void) { + const int max = 100; + void* buffer[max]; + + struct backtrace_state state = {buffer, buffer + max}; + _Unwind_Backtrace(unwind_callback, &state); + + int count = state.current - buffer; + + for (int idx = 0; idx < count; ++idx) { + const void * addr = buffer[idx]; + const char * symbol = ""; + + Dl_info info; + if (dladdr(addr, &info) && info.dli_sname) { + symbol = info.dli_sname; + } + + fprintf(stderr, "%d: %p %s\n", idx, addr, symbol); + } +} +#elif defined(__linux__) #include static void ggml_print_backtrace_symbols(void) { void * trace[100];