diff options
Diffstat (limited to 'tests/backtrace-dwarf.c')
| -rw-r--r-- | tests/backtrace-dwarf.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/tests/backtrace-dwarf.c b/tests/backtrace-dwarf.c index 35f25ed6..dfbf1856 100644 --- a/tests/backtrace-dwarf.c +++ b/tests/backtrace-dwarf.c @@ -1,5 +1,5 @@ /* Test program for unwinding of complicated DWARF expressions. - Copyright (C) 2013, 2015 Red Hat, Inc. + Copyright (C) 2013, 2015, 2018 Red Hat, Inc. This file is part of elfutils. This file is free software; you can redistribute it and/or modify @@ -16,7 +16,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <config.h> -#include <assert.h> #include <inttypes.h> #include <stdio_ext.h> #include <locale.h> @@ -117,9 +116,11 @@ frame_callback (Dwfl_Frame *state, void *frame_arg) static int thread_callback (Dwfl_Thread *thread, void *thread_arg) { - dwfl_thread_getframes (thread, frame_callback, NULL); + if (dwfl_thread_getframes (thread, frame_callback, NULL) == -1) + error (1, 0, "dwfl_thread_getframes: %s", dwfl_errmsg (-1)); + /* frame_callback shall exit (0) on success. */ - error (1, 0, "dwfl_thread_getframes: %s", dwfl_errmsg (-1)); + printf ("dwfl_thread_getframes returned, main not found\n"); return DWARF_CB_ABORT; } @@ -141,13 +142,18 @@ main (int argc __attribute__ ((unused)), char **argv) switch (pid) { case -1: - abort (); + perror ("fork failed"); + exit (-1); case 0:; long l = ptrace (PTRACE_TRACEME, 0, NULL, NULL); - assert (errno == 0); - assert (l == 0); + if (l != 0) + { + perror ("PTRACE_TRACEME failed"); + exit (-1); + } cleanup_13_main (); - abort (); + printf ("cleanup_13_main returned, impossible...\n"); + exit (-1); default: break; } @@ -155,16 +161,20 @@ main (int argc __attribute__ ((unused)), char **argv) errno = 0; int status; pid_t got = waitpid (pid, &status, 0); - assert (errno == 0); - assert (got == pid); - assert (WIFSTOPPED (status)); - assert (WSTOPSIG (status) == SIGABRT); + if (got != pid) + error (1, errno, "waitpid returned %d", got); + if (!WIFSTOPPED (status)) + error (1, 0, "unexpected wait status %u", status); + if (WSTOPSIG (status) != SIGABRT) + error (1, 0, "unexpected signal %u", WSTOPSIG (status)); Dwfl *dwfl = pid_to_dwfl (pid); - dwfl_getthreads (dwfl, thread_callback, NULL); + if (dwfl_getthreads (dwfl, thread_callback, NULL) == -1) + error (1, 0, "dwfl_getthreads: %s", dwfl_errmsg (-1)); /* There is an exit (0) call if we find the "main" frame, */ - error (1, 0, "dwfl_getthreads: %s", dwfl_errmsg (-1)); + printf ("dwfl_getthreads returned, main not found\n"); + exit (-1); } #endif /* ! __linux__ */ |