Fix microdump_writer and add unittest.
This adds some small fixes to the microdump writer and introduces a unittest. BUG=chromium:410294 R=mmandlis@chromium.org Review URL: https://breakpad.appspot.com/2814002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1404 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
primiano@chromium.org
parent
7de07eed33
commit
63f4e5f479
@ -435,6 +435,10 @@ if ANDROID_HOST
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src_client_linux_linux_client_unittest_shlib_SOURCES += \
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src/common/android/breakpad_getcontext.S
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endif
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if LINUX_HOST
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src_client_linux_linux_client_unittest_shlib_SOURCES += \
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src/client/linux/microdump_writer/microdump_writer_unittest.cc
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endif
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src_client_linux_linux_client_unittest_shlib_CPPFLAGS = \
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-I$(top_srcdir)/src \
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45
Makefile.in
45
Makefile.in
@ -198,12 +198,16 @@ check_PROGRAMS = $(am__EXEEXT_4) $(am__EXEEXT_5) $(am__EXEEXT_6) \
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@DISABLE_PROCESSOR_FALSE@@SELFTEST_TRUE@am__append_17 = \
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@DISABLE_PROCESSOR_FALSE@@SELFTEST_TRUE@ src/processor/stackwalker_selftest
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__append_18 = src/common/android/breakpad_getcontext.S \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ src/common/android/breakpad_getcontext_unittest.cc
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__append_18 = \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ src/common/android/breakpad_getcontext.S
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__append_19 = \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ -llog -lm
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ src/common/android/breakpad_getcontext_unittest.cc
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__append_20 = \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ -llog -lm
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__append_21 = \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ -llog
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noinst_PROGRAMS =
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@ -582,9 +586,10 @@ am__src_client_linux_linux_client_unittest_shlib_SOURCES_DIST = \
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src/processor/logging.cc src/processor/minidump.cc \
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src/processor/pathname_stripper.cc \
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src/common/android/breakpad_getcontext.S \
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src/client/linux/microdump_writer/microdump_writer_unittest.cc \
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src/common/android/breakpad_getcontext_unittest.cc
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__objects_2 = src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext.$(OBJEXT) \
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@ src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.$(OBJEXT)
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__objects_2 = src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext.$(OBJEXT)
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@ANDROID_HOST_TRUE@@LINUX_HOST_TRUE@am__objects_3 = src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.$(OBJEXT)
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@LINUX_HOST_TRUE@am_src_client_linux_linux_client_unittest_shlib_OBJECTS = src/client/linux/handler/src_client_linux_linux_client_unittest_shlib-exception_handler_unittest.$(OBJEXT) \
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@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-directory_reader_unittest.$(OBJEXT) \
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@LINUX_HOST_TRUE@ src/client/linux/minidump_writer/src_client_linux_linux_client_unittest_shlib-cpu_set_unittest.$(OBJEXT) \
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@ -609,7 +614,9 @@ am__src_client_linux_linux_client_unittest_shlib_SOURCES_DIST = \
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@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-logging.$(OBJEXT) \
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@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-minidump.$(OBJEXT) \
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@LINUX_HOST_TRUE@ src/processor/src_client_linux_linux_client_unittest_shlib-pathname_stripper.$(OBJEXT) \
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@LINUX_HOST_TRUE@ $(am__objects_2)
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@LINUX_HOST_TRUE@ $(am__objects_2) \
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@LINUX_HOST_TRUE@ src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.$(OBJEXT) \
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@LINUX_HOST_TRUE@ $(am__objects_3)
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src_client_linux_linux_client_unittest_shlib_OBJECTS = \
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$(am_src_client_linux_linux_client_unittest_shlib_OBJECTS)
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am__DEPENDENCIES_1 =
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@ -2092,7 +2099,9 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@LINUX_HOST_TRUE@ src/processor/logging.cc \
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@LINUX_HOST_TRUE@ src/processor/minidump.cc \
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@LINUX_HOST_TRUE@ src/processor/pathname_stripper.cc \
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@LINUX_HOST_TRUE@ $(am__append_18)
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@LINUX_HOST_TRUE@ $(am__append_18) \
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@LINUX_HOST_TRUE@ src/client/linux/microdump_writer/microdump_writer_unittest.cc \
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@LINUX_HOST_TRUE@ $(am__append_19)
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_CPPFLAGS = \
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@LINUX_HOST_TRUE@ -I$(top_srcdir)/src \
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@LINUX_HOST_TRUE@ -I$(top_srcdir)/src/testing/include \
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@ -2102,7 +2111,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_LDFLAGS = \
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@LINUX_HOST_TRUE@ -shared -Wl,-h,linux_client_unittest_shlib \
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@LINUX_HOST_TRUE@ $(am__append_19)
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@LINUX_HOST_TRUE@ $(am__append_20)
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_shlib_LDADD = \
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@LINUX_HOST_TRUE@ src/client/linux/crash_generation/crash_generation_client.o \
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@LINUX_HOST_TRUE@ src/client/linux/dump_writer_common/seccomp_unwinder.o \
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@ -2134,7 +2143,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_SOURCES =
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_LDFLAGS = \
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@LINUX_HOST_TRUE@ -Wl,-rpath,'$$ORIGIN' $(am__append_20)
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@LINUX_HOST_TRUE@ -Wl,-rpath,'$$ORIGIN' $(am__append_21)
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@LINUX_HOST_TRUE@src_client_linux_linux_client_unittest_LDADD = \
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@LINUX_HOST_TRUE@ src/client/linux/linux_client_unittest_shlib
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@ -3529,6 +3538,9 @@ src/processor/src_client_linux_linux_client_unittest_shlib-pathname_stripper.$(O
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src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext.$(OBJEXT): \
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src/common/android/$(am__dirstamp) \
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src/common/android/$(DEPDIR)/$(am__dirstamp)
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src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.$(OBJEXT): \
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src/client/linux/microdump_writer/$(am__dirstamp) \
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src/client/linux/microdump_writer/$(DEPDIR)/$(am__dirstamp)
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src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.$(OBJEXT): \
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src/common/android/$(am__dirstamp) \
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src/common/android/$(DEPDIR)/$(am__dirstamp)
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@ -4255,6 +4267,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/handler/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-exception_handler_unittest.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/log/$(DEPDIR)/log.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/microdump_writer/$(DEPDIR)/microdump_writer.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/minidump_writer/$(DEPDIR)/linux_core_dumper.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/minidump_writer/$(DEPDIR)/linux_dumper.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/client/linux/minidump_writer/$(DEPDIR)/linux_ptrace_dumper.Po@am__quote@
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@ -4911,6 +4924,20 @@ src/processor/src_client_linux_linux_client_unittest_shlib-pathname_stripper.obj
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/processor/src_client_linux_linux_client_unittest_shlib-pathname_stripper.obj `if test -f 'src/processor/pathname_stripper.cc'; then $(CYGPATH_W) 'src/processor/pathname_stripper.cc'; else $(CYGPATH_W) '$(srcdir)/src/processor/pathname_stripper.cc'; fi`
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src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.o: src/client/linux/microdump_writer/microdump_writer_unittest.cc
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.o -MD -MP -MF src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Tpo -c -o src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.o `test -f 'src/client/linux/microdump_writer/microdump_writer_unittest.cc' || echo '$(srcdir)/'`src/client/linux/microdump_writer/microdump_writer_unittest.cc
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Tpo src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Po
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/client/linux/microdump_writer/microdump_writer_unittest.cc' object='src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.o' libtool=no @AMDEPBACKSLASH@
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.o `test -f 'src/client/linux/microdump_writer/microdump_writer_unittest.cc' || echo '$(srcdir)/'`src/client/linux/microdump_writer/microdump_writer_unittest.cc
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src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.obj: src/client/linux/microdump_writer/microdump_writer_unittest.cc
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.obj -MD -MP -MF src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Tpo -c -o src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.obj `if test -f 'src/client/linux/microdump_writer/microdump_writer_unittest.cc'; then $(CYGPATH_W) 'src/client/linux/microdump_writer/microdump_writer_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/client/linux/microdump_writer/microdump_writer_unittest.cc'; fi`
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Tpo src/client/linux/microdump_writer/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.Po
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/client/linux/microdump_writer/microdump_writer_unittest.cc' object='src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.obj' libtool=no @AMDEPBACKSLASH@
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@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/client/linux/microdump_writer/src_client_linux_linux_client_unittest_shlib-microdump_writer_unittest.obj `if test -f 'src/client/linux/microdump_writer/microdump_writer_unittest.cc'; then $(CYGPATH_W) 'src/client/linux/microdump_writer/microdump_writer_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/client/linux/microdump_writer/microdump_writer_unittest.cc'; fi`
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src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.o: src/common/android/breakpad_getcontext_unittest.cc
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@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_client_linux_linux_client_unittest_shlib_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.o -MD -MP -MF src/common/android/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.Tpo -c -o src/common/android/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.o `test -f 'src/common/android/breakpad_getcontext_unittest.cc' || echo '$(srcdir)/'`src/common/android/breakpad_getcontext_unittest.cc
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@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/common/android/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.Tpo src/common/android/$(DEPDIR)/src_client_linux_linux_client_unittest_shlib-breakpad_getcontext_unittest.Po
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@ -38,9 +38,10 @@
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#include "client/linux/dump_writer_common/thread_info.h"
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#include "client/linux/dump_writer_common/ucontext_reader.h"
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#include "client/linux/handler/exception_handler.h"
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#include "client/linux/log/log.h"
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#include "client/linux/minidump_writer/linux_ptrace_dumper.h"
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#include "common/linux/linux_libc_support.h"
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#include "client/linux/log/log.h"
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#include "common/scoped_ptr.h"
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namespace {
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@ -50,10 +51,13 @@ using google_breakpad::LinuxPtraceDumper;
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using google_breakpad::MappingInfo;
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using google_breakpad::MappingList;
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using google_breakpad::RawContextCPU;
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using google_breakpad::scoped_array;
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using google_breakpad::SeccompUnwinder;
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using google_breakpad::ThreadInfo;
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using google_breakpad::UContextReader;
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const size_t kLineBufferSize = 2048;
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class MicrodumpWriter {
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public:
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MicrodumpWriter(const ExceptionHandler::CrashContext* context,
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@ -64,7 +68,10 @@ class MicrodumpWriter {
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float_state_(context ? &context->float_state : NULL),
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#endif
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dumper_(dumper),
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mapping_list_(mappings) { }
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mapping_list_(mappings),
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log_line_(new char[kLineBufferSize]) {
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log_line_.get()[0] = '\0'; // Clear out the log line buffer.
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}
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~MicrodumpWriter() { dumper_->ThreadsResume(); }
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@ -91,11 +98,14 @@ class MicrodumpWriter {
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// Writes one line to the system log.
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void LogLine(const char* msg) {
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logger::write(msg, my_strlen(msg));
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#if !defined(__ANDROID__)
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logger::write("\n", 1); // Android logger appends the \n. Linux's doesn't.
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#endif
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}
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// Stages the given string in the current line buffer.
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void LogAppend(const char* str) {
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my_strlcat(log_line_, str, sizeof(log_line_));
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my_strlcat(log_line_.get(), str, kLineBufferSize);
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}
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// As above (required to take precedence over template specialization below).
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@ -125,8 +135,8 @@ class MicrodumpWriter {
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// Writes out the current line buffer on the system log.
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void LogCommitLine() {
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logger::write(log_line_, my_strlen(log_line_));
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my_strlcpy(log_line_, "", sizeof(log_line_));
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LogLine(log_line_.get());
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my_strlcpy(log_line_.get(), "", kLineBufferSize);
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}
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bool DumpOSInformation() {
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@ -139,7 +149,6 @@ class MicrodumpWriter {
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#else
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const char kOSId[] = "L";
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#endif
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LogAppend("O ");
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LogAppend(kOSId);
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LogAppend(" \"");
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@ -162,8 +171,9 @@ class MicrodumpWriter {
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size_t stack_len;
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if (!dumper_->GetStackInfo(&stack, &stack_len, stack_pointer)) {
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assert(false);
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return false;
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// The stack pointer might not be available. In this case we don't hard
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// fail, just produce a (almost useless) microdump w/o a stack section.
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return true;
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}
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LogAppend("S 0 ");
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@ -296,7 +306,7 @@ class MicrodumpWriter {
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LogAppend(module_identifier.data4[5]);
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LogAppend(module_identifier.data4[6]);
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LogAppend(module_identifier.data4[7]);
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LogAppend(" ");
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LogAppend("0 "); // Age is always 0 on Linux.
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LogAppend(file_name);
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LogCommitLine();
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}
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@ -334,7 +344,7 @@ class MicrodumpWriter {
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#endif
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LinuxDumper* dumper_;
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const MappingList& mapping_list_;
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char log_line_[512];
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scoped_array<char> log_line_;
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};
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} // namespace
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130
src/client/linux/microdump_writer/microdump_writer_unittest.cc
Normal file
130
src/client/linux/microdump_writer/microdump_writer_unittest.cc
Normal file
@ -0,0 +1,130 @@
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// Copyright (c) 2014 Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
|
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
|
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
#include <sys/syscall.h>
|
||||
#include <sys/types.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <string>
|
||||
|
||||
#include "breakpad_googletest_includes.h"
|
||||
#include "client/linux/handler/exception_handler.h"
|
||||
#include "client/linux/microdump_writer/microdump_writer.h"
|
||||
#include "common/linux/eintr_wrapper.h"
|
||||
#include "common/linux/ignore_ret.h"
|
||||
#include "common/scoped_ptr.h"
|
||||
#include "common/tests/auto_tempdir.h"
|
||||
#include "common/using_std_string.h"
|
||||
|
||||
using namespace google_breakpad;
|
||||
|
||||
// Length of a formatted GUID string =
|
||||
// sizeof(MDGUID) * 2 + 4 (for dashes) + 1 (null terminator)
|
||||
const int kGUIDStringSize = 37;
|
||||
|
||||
namespace {
|
||||
|
||||
typedef testing::Test MicrodumpWriterTest;
|
||||
|
||||
TEST(MicrodumpWriterTest, Setup) {
|
||||
int fds[2];
|
||||
ASSERT_NE(-1, pipe(fds));
|
||||
|
||||
AutoTempDir temp_dir;
|
||||
string stderr_file = temp_dir.path() + "/stderr.log";
|
||||
int err_fd = open(stderr_file.c_str(), O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
|
||||
ASSERT_NE(-1, err_fd);
|
||||
|
||||
const pid_t child = fork();
|
||||
if (child == 0) {
|
||||
close(fds[1]);
|
||||
char b;
|
||||
IGNORE_RET(HANDLE_EINTR(read(fds[0], &b, sizeof(b))));
|
||||
close(fds[0]);
|
||||
syscall(__NR_exit);
|
||||
}
|
||||
close(fds[0]);
|
||||
|
||||
ExceptionHandler::CrashContext context;
|
||||
memset(&context, 0, sizeof(context));
|
||||
|
||||
// Set a non-zero tid to avoid tripping asserts.
|
||||
context.tid = child;
|
||||
|
||||
// Push some extra mapping to check the MappingList logic.
|
||||
const uint32_t memory_size = sysconf(_SC_PAGESIZE);
|
||||
const char* kMemoryName = "libfoo.so";
|
||||
const uint8_t kModuleGUID[sizeof(MDGUID)] = {
|
||||
0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
|
||||
0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF
|
||||
};
|
||||
|
||||
MappingInfo info;
|
||||
info.start_addr = memory_size;
|
||||
info.size = memory_size;
|
||||
info.offset = 42;
|
||||
strcpy(info.name, kMemoryName);
|
||||
|
||||
MappingList mappings;
|
||||
MappingEntry mapping;
|
||||
mapping.first = info;
|
||||
memcpy(mapping.second, kModuleGUID, sizeof(MDGUID));
|
||||
mappings.push_back(mapping);
|
||||
|
||||
// Redirect temporarily stderr to the stderr.log file.
|
||||
int save_err = dup(STDERR_FILENO);
|
||||
ASSERT_NE(-1, save_err);
|
||||
ASSERT_NE(-1, dup2(err_fd, STDERR_FILENO));
|
||||
|
||||
ASSERT_TRUE(WriteMicrodump(child, &context, sizeof(context), mappings));
|
||||
|
||||
// Revert stderr back to the console.
|
||||
dup2(save_err, STDERR_FILENO);
|
||||
close(save_err);
|
||||
|
||||
// Read back the stderr file and check for the microdump marker.
|
||||
fsync(err_fd);
|
||||
lseek(err_fd, 0, SEEK_SET);
|
||||
const size_t kBufSize = 64 * 1024;
|
||||
scoped_array<char> buf(new char[kBufSize]);
|
||||
ASSERT_GT(read(err_fd, buf.get(), kBufSize), 0);
|
||||
|
||||
ASSERT_NE(static_cast<char*>(0), strstr(
|
||||
buf.get(), "-----BEGIN BREAKPAD MICRODUMP-----"));
|
||||
ASSERT_NE(static_cast<char*>(0), strstr(
|
||||
buf.get(), "-----END BREAKPAD MICRODUMP-----"));
|
||||
ASSERT_NE(static_cast<char*>(0), strstr(
|
||||
buf.get(), "M 0000000000001000 000000000000002A 0000000000001000 "
|
||||
"33221100554477668899AABBCCDDEEFF0 libfoo.so"));
|
||||
|
||||
close(err_fd);
|
||||
close(fds[1]);
|
||||
}
|
||||
|
||||
} // namespace
|
||||
Loading…
Reference in New Issue
Block a user