From 277ca2b992c766581ef6ef01ea210808f456fbe0 Mon Sep 17 00:00:00 2001 From: Thomas Wood Date: Fri, 13 Mar 2015 17:02:12 +0000 Subject: lib: print a stack trace when a test assertion fails Add an optional dependency on libunwind to print stack traces when a test assertion fails. Acked-by: Daniel Vetter Signed-off-by: Thomas Wood --- benchmarks/Makefile.am | 4 ++-- configure.ac | 10 ++++++++++ debugger/Makefile.am | 3 ++- demos/Makefile.am | 4 ++-- lib/Makefile.am | 5 ++--- lib/igt_core.c | 31 +++++++++++++++++++++++++++++++ tests/Makefile.am | 3 ++- tools/Makefile.am | 4 ++-- 8 files changed, 53 insertions(+), 11 deletions(-) diff --git a/benchmarks/Makefile.am b/benchmarks/Makefile.am index 86f755a0..8473b180 100644 --- a/benchmarks/Makefile.am +++ b/benchmarks/Makefile.am @@ -2,5 +2,5 @@ include Makefile.sources AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) -LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) +AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) $(LIBUNWIND_CFLAGS) +LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(LIBUNWIND_LIBS) diff --git a/configure.ac b/configure.ac index 9b646ddb..b9ecef8d 100644 --- a/configure.ac +++ b/configure.ac @@ -187,6 +187,15 @@ AM_CONDITIONAL(BUILD_SHADER_DEBUGGER, [test "x$BUILD_SHADER_DEBUGGER" != xno]) AS_IF([test "x$BUILD_SHADER_DEBUGGER" != xno], [enable_debugger=yes], [enable_debugger=no]) +AC_ARG_WITH(libunwind, + AS_HELP_STRING([--without-libunwind], + [Build tests without libunwind support]), + [], [with_libunwind=yes]) +if test "x$with_libunwind" = xyes; then + PKG_CHECK_MODULES(LIBUNWIND, libunwind, AC_DEFINE(HAVE_LIBUNWIND, 1, [libunwind support]), + AC_MSG_ERROR([libunwind not found. Use --without-libunwind to disable libunwind support.])) +fi + # ----------------------------------------------------------------------------- # To build multithread code, gcc uses -pthread, Solaris Studio cc uses -mt @@ -243,6 +252,7 @@ echo "" echo " • Tests:" echo " Build tests : ${BUILD_TESTS}" echo " Compile prime tests: ${NOUVEAU}" +echo " Print stack traces : ${with_libunwind}" echo "" echo " • Tools:" echo " Assembler : ${enable_assembler}" diff --git a/debugger/Makefile.am b/debugger/Makefile.am index f1e49b92..0b6028b4 100644 --- a/debugger/Makefile.am +++ b/debugger/Makefile.am @@ -12,6 +12,7 @@ AM_CFLAGS = \ $(DRM_CFLAGS) \ $(PCIACCESS_CFLAGS) \ $(CAIRO_CFLAGS) \ + $(LIBUNWIND_CFLAGS) \ $(CWARNFLAGS) -LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) +LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(LIBUNWIND_LIBS) diff --git a/demos/Makefile.am b/demos/Makefile.am index 49804d79..029581a6 100644 --- a/demos/Makefile.am +++ b/demos/Makefile.am @@ -3,5 +3,5 @@ bin_PROGRAMS = \ $(NULL) AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) -LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) +AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) $(LIBUNWIND_CFLAGS) +LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(LIBUNWIND_LIBS) diff --git a/lib/Makefile.am b/lib/Makefile.am index a5a43908..4db90d4a 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -9,12 +9,11 @@ noinst_LTLIBRARIES = libintel_tools.la noinst_HEADERS = check-ndebug.h AM_CPPFLAGS = -I$(top_srcdir) -AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) \ +AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) $(LIBUNWIND_CFLAGS) \ -DIGT_DATADIR=\""$(abs_top_srcdir)/tests"\" \ -DIGT_LOG_DOMAIN=\""$(subst _,-,$*)"\" \ -pthread - -LDADD = $(CAIRO_LIBS) +LDADD = $(CAIRO_LIBS) $(LIBUNWIND_LIBS) AM_CFLAGS += $(CAIRO_CFLAGS) diff --git a/lib/igt_core.c b/lib/igt_core.c index 7c68d4eb..4cc040f5 100644 --- a/lib/igt_core.c +++ b/lib/igt_core.c @@ -962,6 +962,33 @@ static bool run_under_gdb(void) strncmp(basename(buf), "gdb", 3) == 0); } +#ifdef HAVE_LIBUNWIND +#define UNW_LOCAL_ONLY +#include + +static void print_backtrace(void) +{ + unw_cursor_t cursor; + unw_context_t uc; + int stack_num = 0; + + printf("Stack trace:\n"); + + unw_getcontext(&uc); + unw_init_local(&cursor, &uc); + while (unw_step(&cursor) > 0) { + char name[255]; + unw_word_t off; + + if (unw_get_proc_name(&cursor, name, 255, &off) < 0) + strcpy(name, ""); + + printf(" #%d [%s+0x%x]\n", stack_num++, name, + (unsigned int) off); + } +} +#endif + void __igt_fail_assert(int exitcode, const char *domain, const char *file, const int line, const char *func, const char *assertion, const char *f, ...) @@ -983,6 +1010,10 @@ void __igt_fail_assert(int exitcode, const char *domain, const char *file, va_end(args); } +#ifdef HAVE_LIBUNWIND + print_backtrace(); +#endif + if (run_under_gdb()) abort(); igt_fail(exitcode); diff --git a/tests/Makefile.am b/tests/Makefile.am index 0ae2541e..93f41ba9 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -37,9 +37,10 @@ AM_CFLAGS = $(DRM_CFLAGS) $(CWARNFLAGS) \ -I$(srcdir)/../lib \ -include "$(srcdir)/../lib/check-ndebug.h" \ -DIGT_DATADIR=\""$(abs_srcdir)"\" \ + $(LIBUNWIND_CFLAGS) \ $(NULL) -LDADD = ../lib/libintel_tools.la $(PCIACCESS_LIBS) $(DRM_LIBS) +LDADD = ../lib/libintel_tools.la $(PCIACCESS_LIBS) $(DRM_LIBS) $(LIBUNWIND_LIBS) LDADD += $(CAIRO_LIBS) $(LIBUDEV_LIBS) $(GLIB_LIBS) AM_CFLAGS += $(CAIRO_CFLAGS) $(LIBUDEV_CFLAGS) $(GLIB_CFLAGS) diff --git a/tools/Makefile.am b/tools/Makefile.am index 64fa0604..04bfd128 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -7,6 +7,6 @@ SUBDIRS += quick_dump endif AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/lib -AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) -LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(LIBUDEV_LIBS) +AM_CFLAGS = $(DRM_CFLAGS) $(PCIACCESS_CFLAGS) $(CWARNFLAGS) $(CAIRO_CFLAGS) $(LIBUNWIND_CFLAGS) +LDADD = $(top_builddir)/lib/libintel_tools.la $(DRM_LIBS) $(PCIACCESS_LIBS) $(CAIRO_LIBS) $(LIBUDEV_LIBS) $(LIBUNWIND_LIBS) -- cgit v1.2.3