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[mips64] Support for mips n64

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Adding remaining mips n64 support including stackwalker.

BUG=None
TEST=manually tested on Linux/Android
R=vapier@chromium.org

Review URL: https://codereview.chromium.org/1418453011 .
This commit is contained in:
Mike Frysinger 2016-02-06 18:58:39 -05:00
parent c199f5b122
commit 76c51742c9
19 changed files with 1176 additions and 140 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
Makefile.am
View file

@ -384,6 +384,7 @@ check_PROGRAMS += \
src/processor/stackwalker_arm64_unittest \
src/processor/stackwalker_address_list_unittest \
src/processor/stackwalker_mips_unittest \
src/processor/stackwalker_mips64_unittest \
src/processor/stackwalker_x86_unittest \
src/processor/synth_minidump_unittest
endif
@ -1052,6 +1053,16 @@ src_processor_stackwalker_mips_unittest_LDADD = \
src_processor_stackwalker_mips_unittest_CPPFLAGS = \
$(AM_CPPFLAGS) $(TEST_CFLAGS)
src_processor_stackwalker_mips64_unittest_SOURCES = \
src/common/test_assembler.cc \
src/processor/stackwalker_mips64_unittest.cc
src_processor_stackwalker_mips64_unittest_LDADD = \
src/libbreakpad.a \
$(TEST_LIBS) \
$(PTHREAD_CFLAGS) $(PTHREAD_LIBS)
src_processor_stackwalker_mips64_unittest_CPPFLAGS = \
$(AM_CPPFLAGS) $(TEST_CFLAGS)
src_processor_stackwalker_x86_unittest_SOURCES = \
src/common/test_assembler.cc \
src/processor/stackwalker_x86_unittest.cc

75
Makefile.in
View file

@ -200,6 +200,7 @@ EXTRA_PROGRAMS = $(am__EXEEXT_1)
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm64_unittest \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_address_list_unittest \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_mips_unittest \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_mips64_unittest \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86_unittest \
@DISABLE_PROCESSOR_FALSE@ src/processor/synth_minidump_unittest
@ -580,6 +581,7 @@ src_third_party_libdisasm_libdisasm_a_OBJECTS = \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm64_unittest$(EXEEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_address_list_unittest$(EXEEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_mips_unittest$(EXEEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_mips64_unittest$(EXEEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86_unittest$(EXEEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/synth_minidump_unittest$(EXEEXT)
@LINUX_HOST_TRUE@am__EXEEXT_7 = src/client/linux/linux_client_unittest$(EXEEXT)
@ -1207,6 +1209,18 @@ src_processor_stackwalker_arm_unittest_OBJECTS = \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_2) \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1)
am__src_processor_stackwalker_mips64_unittest_SOURCES_DIST = \
src/common/test_assembler.cc \
src/processor/stackwalker_mips64_unittest.cc
@DISABLE_PROCESSOR_FALSE@am_src_processor_stackwalker_mips64_unittest_OBJECTS = src/common/src_processor_stackwalker_mips64_unittest-test_assembler.$(OBJEXT) \
@DISABLE_PROCESSOR_FALSE@ src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.$(OBJEXT)
src_processor_stackwalker_mips64_unittest_OBJECTS = \
$(am_src_processor_stackwalker_mips64_unittest_OBJECTS)
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_mips64_unittest_DEPENDENCIES = \
@DISABLE_PROCESSOR_FALSE@ src/libbreakpad.a \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_2) \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1) \
@DISABLE_PROCESSOR_FALSE@ $(am__DEPENDENCIES_1)
am__src_processor_stackwalker_mips_unittest_SOURCES_DIST = \
src/common/test_assembler.cc \
src/processor/stackwalker_mips_unittest.cc
@ -1518,6 +1532,7 @@ SOURCES = $(src_client_linux_libbreakpad_client_a_SOURCES) \
$(src_processor_stackwalker_amd64_unittest_SOURCES) \
$(src_processor_stackwalker_arm64_unittest_SOURCES) \
$(src_processor_stackwalker_arm_unittest_SOURCES) \
$(src_processor_stackwalker_mips64_unittest_SOURCES) \
$(src_processor_stackwalker_mips_unittest_SOURCES) \
$(src_processor_stackwalker_selftest_SOURCES) \
$(src_processor_stackwalker_x86_unittest_SOURCES) \
@ -1566,6 +1581,7 @@ DIST_SOURCES = \
$(am__src_processor_stackwalker_amd64_unittest_SOURCES_DIST) \
$(am__src_processor_stackwalker_arm64_unittest_SOURCES_DIST) \
$(am__src_processor_stackwalker_arm_unittest_SOURCES_DIST) \
$(am__src_processor_stackwalker_mips64_unittest_SOURCES_DIST) \
$(am__src_processor_stackwalker_mips_unittest_SOURCES_DIST) \
$(am__src_processor_stackwalker_selftest_SOURCES_DIST) \
$(am__src_processor_stackwalker_x86_unittest_SOURCES_DIST) \
@ -2832,6 +2848,18 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_mips_unittest_CPPFLAGS = \
@DISABLE_PROCESSOR_FALSE@ $(AM_CPPFLAGS) $(TEST_CFLAGS)
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_mips64_unittest_SOURCES = \
@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler.cc \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_mips64_unittest.cc
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_mips64_unittest_LDADD = \
@DISABLE_PROCESSOR_FALSE@ src/libbreakpad.a \
@DISABLE_PROCESSOR_FALSE@ $(TEST_LIBS) \
@DISABLE_PROCESSOR_FALSE@ $(PTHREAD_CFLAGS) $(PTHREAD_LIBS)
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_mips64_unittest_CPPFLAGS = \
@DISABLE_PROCESSOR_FALSE@ $(AM_CPPFLAGS) $(TEST_CFLAGS)
@DISABLE_PROCESSOR_FALSE@src_processor_stackwalker_x86_unittest_SOURCES = \
@DISABLE_PROCESSOR_FALSE@ src/common/test_assembler.cc \
@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86_unittest.cc
@ -4073,6 +4101,16 @@ src/processor/src_processor_stackwalker_arm_unittest-stackwalker_arm_unittest.$(
src/processor/stackwalker_arm_unittest$(EXEEXT): $(src_processor_stackwalker_arm_unittest_OBJECTS) $(src_processor_stackwalker_arm_unittest_DEPENDENCIES) $(EXTRA_src_processor_stackwalker_arm_unittest_DEPENDENCIES) src/processor/$(am__dirstamp)
@rm -f src/processor/stackwalker_arm_unittest$(EXEEXT)
$(AM_V_CXXLD)$(CXXLINK) $(src_processor_stackwalker_arm_unittest_OBJECTS) $(src_processor_stackwalker_arm_unittest_LDADD) $(LIBS)
src/common/src_processor_stackwalker_mips64_unittest-test_assembler.$(OBJEXT): \
src/common/$(am__dirstamp) \
src/common/$(DEPDIR)/$(am__dirstamp)
src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.$(OBJEXT): \
src/processor/$(am__dirstamp) \
src/processor/$(DEPDIR)/$(am__dirstamp)
src/processor/stackwalker_mips64_unittest$(EXEEXT): $(src_processor_stackwalker_mips64_unittest_OBJECTS) $(src_processor_stackwalker_mips64_unittest_DEPENDENCIES) $(EXTRA_src_processor_stackwalker_mips64_unittest_DEPENDENCIES) src/processor/$(am__dirstamp)
@rm -f src/processor/stackwalker_mips64_unittest$(EXEEXT)
$(AM_V_CXXLD)$(CXXLINK) $(src_processor_stackwalker_mips64_unittest_OBJECTS) $(src_processor_stackwalker_mips64_unittest_LDADD) $(LIBS)
src/common/src_processor_stackwalker_mips_unittest-test_assembler.$(OBJEXT): \
src/common/$(am__dirstamp) \
src/common/$(DEPDIR)/$(am__dirstamp)
@ -4403,6 +4441,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_amd64_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_arm64_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_arm_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_mips_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_stackwalker_x86_unittest-test_assembler.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/common/$(DEPDIR)/src_processor_synth_minidump_unittest-test_assembler.Po@am__quote@
@ -4541,6 +4580,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_amd64_unittest-stackwalker_amd64_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_arm64_unittest-stackwalker_arm64_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_arm_unittest-stackwalker_arm_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_mips_unittest-stackwalker_mips_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_stackwalker_x86_unittest-stackwalker_x86_unittest.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/src_processor_static_address_map_unittest-static_address_map_unittest.Po@am__quote@
@ -6306,6 +6346,34 @@ src/processor/src_processor_stackwalker_arm_unittest-stackwalker_arm_unittest.ob
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_arm_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/processor/src_processor_stackwalker_arm_unittest-stackwalker_arm_unittest.obj `if test -f 'src/processor/stackwalker_arm_unittest.cc'; then $(CYGPATH_W) 'src/processor/stackwalker_arm_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/processor/stackwalker_arm_unittest.cc'; fi`
src/common/src_processor_stackwalker_mips64_unittest-test_assembler.o: src/common/test_assembler.cc
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/src_processor_stackwalker_mips64_unittest-test_assembler.o -MD -MP -MF src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Tpo -c -o src/common/src_processor_stackwalker_mips64_unittest-test_assembler.o `test -f 'src/common/test_assembler.cc' || echo '$(srcdir)/'`src/common/test_assembler.cc
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Tpo src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/common/test_assembler.cc' object='src/common/src_processor_stackwalker_mips64_unittest-test_assembler.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/src_processor_stackwalker_mips64_unittest-test_assembler.o `test -f 'src/common/test_assembler.cc' || echo '$(srcdir)/'`src/common/test_assembler.cc
src/common/src_processor_stackwalker_mips64_unittest-test_assembler.obj: src/common/test_assembler.cc
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/src_processor_stackwalker_mips64_unittest-test_assembler.obj -MD -MP -MF src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Tpo -c -o src/common/src_processor_stackwalker_mips64_unittest-test_assembler.obj `if test -f 'src/common/test_assembler.cc'; then $(CYGPATH_W) 'src/common/test_assembler.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/test_assembler.cc'; fi`
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Tpo src/common/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-test_assembler.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/common/test_assembler.cc' object='src/common/src_processor_stackwalker_mips64_unittest-test_assembler.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/src_processor_stackwalker_mips64_unittest-test_assembler.obj `if test -f 'src/common/test_assembler.cc'; then $(CYGPATH_W) 'src/common/test_assembler.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/test_assembler.cc'; fi`
src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.o: src/processor/stackwalker_mips64_unittest.cc
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.o -MD -MP -MF src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Tpo -c -o src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.o `test -f 'src/processor/stackwalker_mips64_unittest.cc' || echo '$(srcdir)/'`src/processor/stackwalker_mips64_unittest.cc
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Tpo src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/processor/stackwalker_mips64_unittest.cc' object='src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.o `test -f 'src/processor/stackwalker_mips64_unittest.cc' || echo '$(srcdir)/'`src/processor/stackwalker_mips64_unittest.cc
src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.obj: src/processor/stackwalker_mips64_unittest.cc
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.obj -MD -MP -MF src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Tpo -c -o src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.obj `if test -f 'src/processor/stackwalker_mips64_unittest.cc'; then $(CYGPATH_W) 'src/processor/stackwalker_mips64_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/processor/stackwalker_mips64_unittest.cc'; fi`
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Tpo src/processor/$(DEPDIR)/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.Po
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ $(AM_V_CXX)source='src/processor/stackwalker_mips64_unittest.cc' object='src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCXX_FALSE@ DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCXX_FALSE@ $(AM_V_CXX@am__nodep@)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips64_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/processor/src_processor_stackwalker_mips64_unittest-stackwalker_mips64_unittest.obj `if test -f 'src/processor/stackwalker_mips64_unittest.cc'; then $(CYGPATH_W) 'src/processor/stackwalker_mips64_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/processor/stackwalker_mips64_unittest.cc'; fi`
src/common/src_processor_stackwalker_mips_unittest-test_assembler.o: src/common/test_assembler.cc
@am__fastdepCXX_TRUE@ $(AM_V_CXX)$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_processor_stackwalker_mips_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/src_processor_stackwalker_mips_unittest-test_assembler.o -MD -MP -MF src/common/$(DEPDIR)/src_processor_stackwalker_mips_unittest-test_assembler.Tpo -c -o src/common/src_processor_stackwalker_mips_unittest-test_assembler.o `test -f 'src/common/test_assembler.cc' || echo '$(srcdir)/'`src/common/test_assembler.cc
@am__fastdepCXX_TRUE@ $(AM_V_at)$(am__mv) src/common/$(DEPDIR)/src_processor_stackwalker_mips_unittest-test_assembler.Tpo src/common/$(DEPDIR)/src_processor_stackwalker_mips_unittest-test_assembler.Po
@ -7346,6 +7414,13 @@ src/processor/stackwalker_mips_unittest.log: src/processor/stackwalker_mips_unit
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
src/processor/stackwalker_mips64_unittest.log: src/processor/stackwalker_mips64_unittest$(EXEEXT)
@p='src/processor/stackwalker_mips64_unittest$(EXEEXT)'; \
b='src/processor/stackwalker_mips64_unittest'; \
$(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
--log-file $$b.log --trs-file $$b.trs \
$(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) -- $(LOG_COMPILE) \
"$$tst" $(AM_TESTS_FD_REDIRECT)
src/processor/stackwalker_x86_unittest.log: src/processor/stackwalker_x86_unittest$(EXEEXT)
@p='src/processor/stackwalker_x86_unittest$(EXEEXT)'; \
b='src/processor/stackwalker_x86_unittest'; \

6
src/client/linux/dump_writer_common/thread_info.cc
View file

@ -235,7 +235,13 @@ uintptr_t ThreadInfo::GetInstructionPointer() const {
}
void ThreadInfo::FillCPUContext(RawContextCPU* out) const {
#if _MIPS_SIM == _ABI64
out->context_flags = MD_CONTEXT_MIPS64_FULL;
#elif _MIPS_SIM == _ABIO32
out->context_flags = MD_CONTEXT_MIPS_FULL;
#else
# error "This mips ABI is currently not supported (n32)"
#endif
for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i)
out->iregs[i] = mcontext.gregs[i];

6
src/client/linux/dump_writer_common/ucontext_reader.cc
View file

@ -219,7 +219,13 @@ uintptr_t UContextReader::GetInstructionPointer(const struct ucontext* uc) {
}
void UContextReader::FillCPUContext(RawContextCPU *out, const ucontext *uc) {
#if _MIPS_SIM == _ABI64
out->context_flags = MD_CONTEXT_MIPS64_FULL;
#elif _MIPS_SIM == _ABIO32
out->context_flags = MD_CONTEXT_MIPS_FULL;
#else
#error "This mips ABI is currently not supported (n32)"
#endif
for (int i = 0; i < MD_CONTEXT_MIPS_GPR_COUNT; ++i)
out->iregs[i] = uc->uc_mcontext.gregs[i];

6
src/client/linux/microdump_writer/microdump_writer.cc
View file

@ -179,7 +179,13 @@ class MicrodumpWriter {
#elif defined(__i386__)
const char kArch[] = "x86";
#elif defined(__mips__)
# if _MIPS_SIM == _ABIO32
const char kArch[] = "mips";
# elif _MIPS_SIM == _ABI64
const char kArch[] = "mips64";
# else
# error "This mips ABI is currently not supported (n32)"
#endif
#else
#error "This code has not been ported to your platform yet"
#endif

6
src/client/linux/minidump_writer/minidump_writer.cc
View file

@ -817,7 +817,13 @@ class MinidumpWriter {
// processor_architecture should always be set, do this first
sys_info->processor_architecture =
#if defined(__mips__)
# if _MIPS_SIM == _ABIO32
MD_CPU_ARCHITECTURE_MIPS;
# elif _MIPS_SIM == _ABI64
MD_CPU_ARCHITECTURE_MIPS64;
# else
# error "This mips ABI is currently not supported (n32)"
#endif
#elif defined(__i386__)
MD_CPU_ARCHITECTURE_X86;
#else

4
src/common/android/include/sys/procfs.h
View file

@ -101,8 +101,8 @@ struct elf_prpsinfo {
unsigned int pr_uid;
unsigned int pr_gid;
#elif defined(__mips__)
unsigned long pr_uid;
unsigned long pr_gid;
__kernel_uid_t pr_uid;
__kernel_gid_t pr_gid;
#else
unsigned short pr_uid;
unsigned short pr_gid;

16
src/google_breakpad/common/minidump_cpu_mips.h
View file

@ -157,4 +157,20 @@ enum MDMIPSRegisterNumbers {
MD_CONTEXT_MIPS_FLOATING_POINT \
MD_CONTEXT_MIPS_DSP)
/**
* Breakpad defines for MIPS64
*/
#define MD_CONTEXT_MIPS64 0x00080000
#define MD_CONTEXT_MIPS64_INTEGER (MD_CONTEXT_MIPS64 | 0x00000002)
#define MD_CONTEXT_MIPS64_FLOATING_POINT (MD_CONTEXT_MIPS64 | 0x00000004)
#define MD_CONTEXT_MIPS64_DSP (MD_CONTEXT_MIPS64 | 0x00000008)
#define MD_CONTEXT_MIPS64_FULL (MD_CONTEXT_MIPS64_INTEGER | \
MD_CONTEXT_MIPS64_FLOATING_POINT | \
MD_CONTEXT_MIPS64_DSP)
#define MD_CONTEXT_MIPS64_ALL (MD_CONTEXT_MIPS64_INTEGER | \
MD_CONTEXT_MIPS64_FLOATING_POINT \
MD_CONTEXT_MIPS64_DSP)
#endif // GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_MIPS_H__

1
src/google_breakpad/common/minidump_format.h
View file

@ -638,6 +638,7 @@ typedef enum {
MD_CPU_ARCHITECTURE_SPARC = 0x8001, /* Breakpad-defined value for SPARC */
MD_CPU_ARCHITECTURE_PPC64 = 0x8002, /* Breakpad-defined value for PPC64 */
MD_CPU_ARCHITECTURE_ARM64 = 0x8003, /* Breakpad-defined value for ARM64 */
MD_CPU_ARCHITECTURE_MIPS64 = 0x8004, /* Breakpad-defined value for MIPS64 */
MD_CPU_ARCHITECTURE_UNKNOWN = 0xffff /* PROCESSOR_ARCHITECTURE_UNKNOWN */
} MDCPUArchitecture;

9
src/processor/dump_context.cc
View file

@ -131,7 +131,8 @@ const MDRawContextARM64* DumpContext::GetContextARM64() const {
}
const MDRawContextMIPS* DumpContext::GetContextMIPS() const {
if (GetContextCPU() != MD_CONTEXT_MIPS) {
if ((GetContextCPU() != MD_CONTEXT_MIPS) &&
(GetContextCPU() != MD_CONTEXT_MIPS64)) {
BPLOG(ERROR) << "DumpContext cannot get MIPS context";
return NULL;
}
@ -172,6 +173,7 @@ bool DumpContext::GetInstructionPointer(uint64_t* ip) const {
*ip = GetContextX86()->eip;
break;
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64:
*ip = GetContextMIPS()->epc;
break;
default:
@ -215,6 +217,7 @@ bool DumpContext::GetStackPointer(uint64_t* sp) const {
*sp = GetContextX86()->esp;
break;
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64:
*sp = GetContextMIPS()->iregs[MD_CONTEXT_MIPS_REG_SP];
break;
default:
@ -292,6 +295,7 @@ void DumpContext::FreeContext() {
break;
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64:
delete context_.ctx_mips;
break;
@ -598,7 +602,8 @@ void DumpContext::Print() {
break;
}
case MD_CONTEXT_MIPS: {
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64: {
const MDRawContextMIPS* context_mips = GetContextMIPS();
printf("MDRawContextMIPS\n");
printf(" context_flags = 0x%x\n",

11
src/processor/minidump.cc
View file

@ -1009,7 +1009,8 @@ bool MinidumpContext::Read(uint32_t expected_size) {
break;
}
case MD_CONTEXT_MIPS: {
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64: {
if (expected_size != sizeof(MDRawContextMIPS)) {
BPLOG(ERROR) << "MinidumpContext MIPS size mismatch, "
<< expected_size
@ -1157,6 +1158,11 @@ bool MinidumpContext::CheckAgainstSystemInfo(uint32_t context_cpu_type) {
if (system_info_cpu_type == MD_CPU_ARCHITECTURE_MIPS)
return_value = true;
break;
case MD_CONTEXT_MIPS64:
if (system_info_cpu_type == MD_CPU_ARCHITECTURE_MIPS64)
return_value = true;
break;
}
BPLOG_IF(ERROR, !return_value) << "MinidumpContext CPU " <<
@ -4209,6 +4215,9 @@ bool Minidump::GetContextCPUFlagsFromSystemInfo(uint32_t *context_cpu_flags) {
case MD_CPU_ARCHITECTURE_MIPS:
*context_cpu_flags = MD_CONTEXT_MIPS;
break;
case MD_CPU_ARCHITECTURE_MIPS64:
*context_cpu_flags = MD_CONTEXT_MIPS64;
break;
case MD_CPU_ARCHITECTURE_ALPHA:
*context_cpu_flags = MD_CONTEXT_ALPHA;
break;

4
src/processor/minidump_processor.cc
View file

@ -524,6 +524,10 @@ bool MinidumpProcessor::GetCPUInfo(Minidump *dump, SystemInfo *info) {
info->cpu = "mips";
break;
}
case MD_CPU_ARCHITECTURE_MIPS64: {
info->cpu = "mips64";
break;
}
default: {
// Assign the numeric architecture ID into the CPU string.

1
src/processor/processor.gyp
View file

@ -160,6 +160,7 @@
'stackwalker_arm64_unittest.cc',
'stackwalker_arm_unittest.cc',
'stackwalker_mips_unittest.cc',
'stackwalker_mips64_unittest.cc',
'stackwalker_unittest_utils.h',
'stackwalker_x86_unittest.cc',
'static_address_map_unittest.cc',

2
src/processor/stackwalk_common.cc
View file

@ -546,7 +546,7 @@ static void PrintStack(const CallStack *stack,
sequence =
PrintRegister64("pc", frame_arm64->context.iregs[32], sequence);
}
} else if (cpu == "mips") {
} else if ((cpu == "mips") || (cpu == "mips64")) {
const StackFrameMIPS* frame_mips =
reinterpret_cast<const StackFrameMIPS*>(frame);

1
src/processor/stackwalker.cc
View file

@ -234,6 +234,7 @@ Stackwalker* Stackwalker::StackwalkerForCPU(
break;
case MD_CONTEXT_MIPS:
case MD_CONTEXT_MIPS64:
cpu_stackwalker = new StackwalkerMIPS(system_info,
context->GetContextMIPS(),
memory, modules, frame_symbolizer);

414
src/processor/stackwalker_mips.cc
View file

@ -53,14 +53,25 @@ StackwalkerMIPS::StackwalkerMIPS(const SystemInfo* system_info,
MemoryRegion* memory,
const CodeModules* modules,
StackFrameSymbolizer* resolver_helper)
: Stackwalker(system_info, memory, modules, resolver_helper),
context_(context) {
if (memory_ && memory_->GetBase() + memory_->GetSize() - 1 > 0xffffffff) {
BPLOG(ERROR) << "Memory out of range for stackwalking: "
<< HexString(memory_->GetBase())
<< "+"
<< HexString(memory_->GetSize());
memory_ = NULL;
: Stackwalker(system_info, memory, modules, resolver_helper),
context_(context) {
if (context_->context_flags & MD_CONTEXT_MIPS64 ) {
if ((memory_ && memory_->GetBase() + memory_->GetSize() - 1)
> 0xffffffffffffffff) {
BPLOG(ERROR) << "Memory out of range for stackwalking mips64: "
<< HexString(memory_->GetBase())
<< "+"
<< HexString(memory_->GetSize());
memory_ = NULL;
}
} else {
if ((memory_ && memory_->GetBase() + memory_->GetSize() - 1) > 0xffffffff) {
BPLOG(ERROR) << "Memory out of range for stackwalking mips32: "
<< HexString(memory_->GetBase())
<< "+"
<< HexString(memory_->GetSize());
memory_ = NULL;
}
}
}
@ -96,73 +107,143 @@ StackFrameMIPS* StackwalkerMIPS::GetCallerByCFIFrameInfo(
CFIFrameInfo* cfi_frame_info) {
StackFrameMIPS* last_frame = static_cast<StackFrameMIPS*>(frames.back());
uint32_t sp = 0, pc = 0;
if (context_->context_flags & MD_CONTEXT_MIPS) {
uint32_t sp = 0, pc = 0;
// Populate a dictionary with the valid register values in last_frame.
CFIFrameInfo::RegisterValueMap<uint32_t> callee_registers;
// Use the STACK CFI data to recover the caller's register values.
CFIFrameInfo::RegisterValueMap<uint32_t> caller_registers;
// Populate a dictionary with the valid register values in last_frame.
CFIFrameInfo::RegisterValueMap<uint32_t> callee_registers;
// Use the STACK CFI data to recover the caller's register values.
CFIFrameInfo::RegisterValueMap<uint32_t> caller_registers;
for (int i = 0; kRegisterNames[i]; ++i) {
caller_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
callee_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
}
if (!cfi_frame_info->FindCallerRegs(callee_registers, *memory_,
&caller_registers)) {
return NULL;
}
CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator entry =
caller_registers.find(".cfa");
if (entry != caller_registers.end()) {
sp = entry->second;
caller_registers["$sp"] = entry->second;
}
entry = caller_registers.find(".ra");
if (entry != caller_registers.end()) {
caller_registers["$ra"] = entry->second;
pc = entry->second - 2 * sizeof(pc);
}
caller_registers["$pc"] = pc;
// Construct a new stack frame given the values the CFI recovered.
scoped_ptr<StackFrameMIPS> frame(new StackFrameMIPS());
for (int i = 0; kRegisterNames[i]; ++i) {
CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator caller_entry =
caller_registers.find(kRegisterNames[i]);
if (caller_entry != caller_registers.end()) {
// The value of this register is recovered; fill the context with the
// value from caller_registers.
frame->context.iregs[i] = caller_entry->second;
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
} else if (((i >= INDEX_MIPS_REG_S0 && i <= INDEX_MIPS_REG_S7) ||
(i > INDEX_MIPS_REG_GP && i < INDEX_MIPS_REG_RA)) &&
(last_frame->context_validity &
StackFrameMIPS::RegisterValidFlag(i))) {
// If the STACK CFI data doesn't mention some callee-save register, and
// it is valid in the callee, assume the callee has not yet changed it.
// Calee-save registers according to the MIPS o32 ABI specification are:
// $s0 to $s7
// $sp, $s8
frame->context.iregs[i] = last_frame->context.iregs[i];
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
for (int i = 0; kRegisterNames[i]; ++i) {
caller_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
callee_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
}
if (!cfi_frame_info->FindCallerRegs(callee_registers, *memory_,
&caller_registers)) {
return NULL;
}
CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator entry =
caller_registers.find(".cfa");
if (entry != caller_registers.end()) {
sp = entry->second;
caller_registers["$sp"] = entry->second;
}
entry = caller_registers.find(".ra");
if (entry != caller_registers.end()) {
caller_registers["$ra"] = entry->second;
pc = entry->second - 2 * sizeof(pc);
}
caller_registers["$pc"] = pc;
// Construct a new stack frame given the values the CFI recovered.
scoped_ptr<StackFrameMIPS> frame(new StackFrameMIPS());
for (int i = 0; kRegisterNames[i]; ++i) {
CFIFrameInfo::RegisterValueMap<uint32_t>::const_iterator caller_entry =
caller_registers.find(kRegisterNames[i]);
if (caller_entry != caller_registers.end()) {
// The value of this register is recovered; fill the context with the
// value from caller_registers.
frame->context.iregs[i] = caller_entry->second;
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
} else if (((i >= INDEX_MIPS_REG_S0 && i <= INDEX_MIPS_REG_S7) ||
(i > INDEX_MIPS_REG_GP && i < INDEX_MIPS_REG_RA)) &&
(last_frame->context_validity &
StackFrameMIPS::RegisterValidFlag(i))) {
// If the STACK CFI data doesn't mention some callee-save register, and
// it is valid in the callee, assume the callee has not yet changed it.
// Calee-save registers according to the MIPS o32 ABI specification are:
// $s0 to $s7
// $sp, $s8
frame->context.iregs[i] = last_frame->context.iregs[i];
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
}
}
frame->context.epc = caller_registers["$pc"];
frame->instruction = caller_registers["$pc"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] = caller_registers["$ra"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
frame->trust = StackFrame::FRAME_TRUST_CFI;
return frame.release();
} else {
uint64_t sp = 0, pc = 0;
// Populate a dictionary with the valid register values in last_frame.
CFIFrameInfo::RegisterValueMap<uint64_t> callee_registers;
// Use the STACK CFI data to recover the caller's register values.
CFIFrameInfo::RegisterValueMap<uint64_t> caller_registers;
for (int i = 0; kRegisterNames[i]; ++i) {
caller_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
callee_registers[kRegisterNames[i]] = last_frame->context.iregs[i];
}
if (!cfi_frame_info->FindCallerRegs(callee_registers, *memory_,
&caller_registers)) {
return NULL;
}
CFIFrameInfo::RegisterValueMap<uint64_t>::const_iterator entry =
caller_registers.find(".cfa");
if (entry != caller_registers.end()) {
sp = entry->second;
caller_registers["$sp"] = entry->second;
}
entry = caller_registers.find(".ra");
if (entry != caller_registers.end()) {
caller_registers["$ra"] = entry->second;
pc = entry->second - 2 * sizeof(pc);
}
caller_registers["$pc"] = pc;
// Construct a new stack frame given the values the CFI recovered.
scoped_ptr<StackFrameMIPS> frame(new StackFrameMIPS());
for (int i = 0; kRegisterNames[i]; ++i) {
CFIFrameInfo::RegisterValueMap<uint64_t>::const_iterator caller_entry =
caller_registers.find(kRegisterNames[i]);
if (caller_entry != caller_registers.end()) {
// The value of this register is recovered; fill the context with the
// value from caller_registers.
frame->context.iregs[i] = caller_entry->second;
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
} else if (((i >= INDEX_MIPS_REG_S0 && i <= INDEX_MIPS_REG_S7) ||
(i >= INDEX_MIPS_REG_GP && i < INDEX_MIPS_REG_RA)) &&
(last_frame->context_validity &
StackFrameMIPS::RegisterValidFlag(i))) {
// If the STACK CFI data doesn't mention some callee-save register, and
// it is valid in the callee, assume the callee has not yet changed it.
// Calee-save registers according to the MIPS o32 ABI specification are:
// $s0 to $s7
// $sp, $s8
frame->context.iregs[i] = last_frame->context.iregs[i];
frame->context_validity |= StackFrameMIPS::RegisterValidFlag(i);
}
}
frame->context.epc = caller_registers["$pc"];
frame->instruction = caller_registers["$pc"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] = caller_registers["$ra"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
frame->trust = StackFrame::FRAME_TRUST_CFI;
return frame.release();
}
frame->context.epc = caller_registers["$pc"];
frame->instruction = caller_registers["$pc"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] = caller_registers["$ra"];
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
frame->trust = StackFrame::FRAME_TRUST_CFI;
return frame.release();
}
StackFrame* StackwalkerMIPS::GetCallerFrame(const CallStack* stack,
@ -204,7 +285,7 @@ StackFrame* StackwalkerMIPS::GetCallerFrame(const CallStack* stack,
last_frame->context.iregs[MD_CONTEXT_MIPS_REG_SP]) {
return NULL;
}
return new_frame.release();
}
@ -215,19 +296,20 @@ StackFrameMIPS* StackwalkerMIPS::GetCallerByStackScan(
StackFrameMIPS* last_frame = static_cast<StackFrameMIPS*>(frames.back());
uint32_t last_sp = last_frame->context.iregs[MD_CONTEXT_MIPS_REG_SP];
uint32_t caller_pc, caller_sp, caller_fp;
if (context_->context_flags & MD_CONTEXT_MIPS) {
uint32_t last_sp = last_frame->context.iregs[MD_CONTEXT_MIPS_REG_SP];
uint32_t caller_pc, caller_sp, caller_fp;
// Return address cannot be obtained directly.
// Force stackwalking.
// Return address cannot be obtained directly.
// Force stackwalking.
// We cannot use frame pointer to get the return address.
// We'll scan the stack for a
// return address. This can happen if last_frame is executing code
// for a module for which we don't have symbols.
int count = kMaxFrameStackSize / sizeof(caller_pc);
// We cannot use frame pointer to get the return address.
// We'll scan the stack for a
// return address. This can happen if last_frame is executing code
// for a module for which we don't have symbols.
int count = kMaxFrameStackSize / sizeof(caller_pc);
if (frames.size() > 1) {
if (frames.size() > 1) {
// In case of mips32 ABI stack frame of a nonleaf function
// must have minimum stack frame assigned for 4 arguments (4 words).
// Move stack pointer for 4 words to avoid reporting non-existing frames
@ -235,65 +317,131 @@ StackFrameMIPS* StackwalkerMIPS::GetCallerByStackScan(
// There is no way of knowing if topmost frame belongs to a leaf or
// a nonleaf function.
last_sp += kMinArgsOnStack * sizeof(caller_pc);
// Adjust 'count' so that return address is scanned only in limits
// Adjust 'count' so that return address is scanned only in limits
// of one stack frame.
count -= kMinArgsOnStack;
}
do {
// Scanning for return address from stack pointer of the last frame.
if (!ScanForReturnAddress(last_sp, &caller_sp, &caller_pc, count)) {
// If we can't find an instruction pointer even with stack scanning,
// give up.
BPLOG(ERROR) << " ScanForReturnAddress failed ";
return NULL;
}
// Get $fp stored in the stack frame.
if (!memory_->GetMemoryAtAddress(caller_sp - sizeof(caller_pc),
&caller_fp)) {
BPLOG(INFO) << " GetMemoryAtAddress for fp failed " ;
do {
// Scanning for return address from stack pointer of the last frame.
if (!ScanForReturnAddress(last_sp, &caller_sp, &caller_pc, count)) {
// If we can't find an instruction pointer even with stack scanning,
// give up.
BPLOG(ERROR) << " ScanForReturnAddress failed ";
return NULL;
}
// Get $fp stored in the stack frame.
if (!memory_->GetMemoryAtAddress(caller_sp - sizeof(caller_pc),
&caller_fp)) {
BPLOG(INFO) << " GetMemoryAtAddress for fp failed " ;
return NULL;
}
count = count - (caller_sp - last_sp) / sizeof(caller_pc);
// Now scan the next address in the stack.
last_sp = caller_sp + sizeof(caller_pc);
} while ((caller_fp - caller_sp >= kMaxFrameStackSize) && count > 0);
if (!count) {
BPLOG(INFO) << " No frame found " ;
return NULL;
}
count = count - (caller_sp - last_sp) / sizeof(caller_pc);
// Now scan the next address in the stack.
last_sp = caller_sp + sizeof(caller_pc);
} while ((caller_fp - caller_sp >= kMaxFrameStackSize) && count > 0);
// ScanForReturnAddress found a reasonable return address. Advance
// $sp to the location above the one where the return address was
// found.
caller_sp += sizeof(caller_pc);
// caller_pc is actually containing $ra value;
// $pc is two instructions before $ra,
// so the caller_pc needs to be decremented accordingly.
caller_pc -= 2 * sizeof(caller_pc);
if (!count) {
BPLOG(INFO) << " No frame found " ;
return NULL;
// Create a new stack frame (ownership will be transferred to the caller)
// and fill it in.
StackFrameMIPS* frame = new StackFrameMIPS();
frame->trust = StackFrame::FRAME_TRUST_SCAN;
frame->context = last_frame->context;
frame->context.epc = caller_pc;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->instruction = caller_pc;
frame->context.iregs[MD_CONTEXT_MIPS_REG_SP] = caller_sp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_SP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_FP] = caller_fp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_FP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] =
caller_pc + 2 * sizeof(caller_pc);
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
return frame;
} else {
uint64_t last_sp = last_frame->context.iregs[MD_CONTEXT_MIPS_REG_SP];
uint64_t caller_pc, caller_sp, caller_fp;
// Return address cannot be obtained directly.
// Force stackwalking.
// We cannot use frame pointer to get the return address.
// We'll scan the stack for a
// return address. This can happen if last_frame is executing code
// for a module for which we don't have symbols.
int count = kMaxFrameStackSize / sizeof(caller_pc);
do {
// Scanning for return address from stack pointer of the last frame.
if (!ScanForReturnAddress(last_sp, &caller_sp, &caller_pc, count)) {
// If we can't find an instruction pointer even with stack scanning,
// give up.
BPLOG(ERROR) << " ScanForReturnAddress failed ";
return NULL;
}
// Get $fp stored in the stack frame.
if (!memory_->GetMemoryAtAddress(caller_sp - sizeof(caller_pc),
&caller_fp)) {
BPLOG(INFO) << " GetMemoryAtAddress for fp failed " ;
return NULL;
}
count = count - (caller_sp - last_sp) / sizeof(caller_pc);
// Now scan the next address in the stack.
last_sp = caller_sp + sizeof(caller_pc);
} while ((caller_fp - caller_sp >= kMaxFrameStackSize) && count > 0);
if (!count) {
BPLOG(INFO) << " No frame found " ;
return NULL;
}
// ScanForReturnAddress found a reasonable return address. Advance
// $sp to the location above the one where the return address was
// found.
caller_sp += sizeof(caller_pc);
// caller_pc is actually containing $ra value;
// $pc is two instructions before $ra,
// so the caller_pc needs to be decremented accordingly.
caller_pc -= 2 * sizeof(caller_pc);
// Create a new stack frame (ownership will be transferred to the caller)
// and fill it in.
StackFrameMIPS* frame = new StackFrameMIPS();
frame->trust = StackFrame::FRAME_TRUST_SCAN;
frame->context = last_frame->context;
frame->context.epc = caller_pc;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->instruction = caller_pc;
frame->context.iregs[MD_CONTEXT_MIPS_REG_SP] = caller_sp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_SP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_FP] = caller_fp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_FP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] =
caller_pc + 2 * sizeof(caller_pc);
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
return frame;
}
// ScanForReturnAddress found a reasonable return address. Advance
// $sp to the location above the one where the return address was
// found.
caller_sp += sizeof(caller_pc);
// caller_pc is actually containing $ra value;
// $pc is two instructions before $ra,
// so the caller_pc needs to be decremented accordingly.
caller_pc -= 2 * sizeof(caller_pc);
// Create a new stack frame (ownership will be transferred to the caller)
// and fill it in.
StackFrameMIPS* frame = new StackFrameMIPS();
frame->trust = StackFrame::FRAME_TRUST_SCAN;
frame->context = last_frame->context;
frame->context.epc = caller_pc;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_PC;
frame->instruction = caller_pc;
frame->context.iregs[MD_CONTEXT_MIPS_REG_SP] = caller_sp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_SP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_FP] = caller_fp;
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_FP;
frame->context.iregs[MD_CONTEXT_MIPS_REG_RA] =
caller_pc + 2 * sizeof(caller_pc);
frame->context_validity |= StackFrameMIPS::CONTEXT_VALID_RA;
return frame;
}
} // namespace google_breakpad

719
src/processor/stackwalker_mips64_unittest.cc Normal file
View file

@ -0,0 +1,719 @@
// Copyright (c) 2013, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// 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.
// Original author: Veljko Mihailovic <veljko.mihailovic@imgtec.com>
// stackwalker_mips64_unittest.cc: Unit tests for StackwalkerMIPS class for
// mips64 platforms.
#include <string.h>
#include <string>
#include <vector>
#include "breakpad_googletest_includes.h"
#include "common/test_assembler.h"
#include "common/using_std_string.h"
#include "google_breakpad/common/minidump_format.h"
#include "google_breakpad/processor/basic_source_line_resolver.h"
#include "google_breakpad/processor/call_stack.h"
#include "google_breakpad/processor/code_module.h"
#include "google_breakpad/processor/source_line_resolver_interface.h"
#include "google_breakpad/processor/stack_frame_cpu.h"
#include "processor/stackwalker_unittest_utils.h"
#include "processor/stackwalker_mips.h"
#include "processor/windows_frame_info.h"
using google_breakpad::BasicSourceLineResolver;
using google_breakpad::CallStack;
using google_breakpad::CodeModule;
using google_breakpad::StackFrameSymbolizer;
using google_breakpad::StackFrame;
using google_breakpad::StackFrameMIPS;
using google_breakpad::Stackwalker;
using google_breakpad::StackwalkerMIPS;
using google_breakpad::SystemInfo;
using google_breakpad::WindowsFrameInfo;
using google_breakpad::test_assembler::kLittleEndian;
using google_breakpad::test_assembler::Label;
using google_breakpad::test_assembler::Section;
using std::vector;
using testing::_;
using testing::AnyNumber;
using testing::Return;
using testing::SetArgumentPointee;
using testing::Test;
class StackwalkerMIPSFixture {
public:
StackwalkerMIPSFixture()
: stack_section(kLittleEndian),
// Give the two modules reasonable standard locations and names
// for tests to play with.
module1(0x00400000, 0x10000, "module1", "version1"),
module2(0x00500000, 0x10000, "module2", "version2") {
// Identify the system as a Linux system.
system_info.os = "Linux";
system_info.os_short = "linux";
system_info.os_version = "Observant Opossum"; // Jealous Jellyfish
system_info.cpu = "mips64";
system_info.cpu_info = "";
// Put distinctive values in the raw CPU context.
BrandContext(&raw_context);
// Create some modules with some stock debugging information.
modules.Add(&module1);
modules.Add(&module2);
// By default, none of the modules have symbol info; call
// SetModuleSymbols to override this.
EXPECT_CALL(supplier, GetCStringSymbolData(_, _, _, _, _))
.WillRepeatedly(Return(MockSymbolSupplier::NOT_FOUND));
// Avoid GMOCK WARNING "Uninteresting mock function call - returning
// directly" for FreeSymbolData().
EXPECT_CALL(supplier, FreeSymbolData(_)).Times(AnyNumber());
// Reset max_frames_scanned since it's static.
Stackwalker::set_max_frames_scanned(1024);
}
// Set the Breakpad symbol information that supplier should return for
// MODULE to INFO.
void SetModuleSymbols(MockCodeModule* module, const string& info) {
size_t buffer_size;
char* buffer = supplier.CopySymbolDataAndOwnTheCopy(info, &buffer_size);
EXPECT_CALL(supplier, GetCStringSymbolData(module, &system_info, _, _, _))
.WillRepeatedly(DoAll(SetArgumentPointee<3>(buffer),
SetArgumentPointee<4>(buffer_size),
Return(MockSymbolSupplier::FOUND)));
}
// Populate stack_region with the contents of stack_section. Use
// stack_section.start() as the region's starting address.
void RegionFromSection() {
string contents;
ASSERT_TRUE(stack_section.GetContents(&contents));
stack_region.Init(stack_section.start().Value(), contents);
}
// Fill RAW_CONTEXT with pseudo-random data, for round-trip checking.
void BrandContext(MDRawContextMIPS* raw_context) {
uint8_t x = 173;
for (size_t i = 0; i < sizeof(*raw_context); ++i)
reinterpret_cast<uint8_t*>(raw_context)[i] = (x += 17);
}
SystemInfo system_info;
MDRawContextMIPS raw_context;
Section stack_section;
MockMemoryRegion stack_region;
MockCodeModule module1;
MockCodeModule module2;
MockCodeModules modules;
MockSymbolSupplier supplier;
BasicSourceLineResolver resolver;
CallStack call_stack;
const vector<StackFrame*>* frames;
};
class SanityCheck: public StackwalkerMIPSFixture, public Test { };
TEST_F(SanityCheck, NoResolver) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
stack_section.start() = 0x80000000;
stack_section.D64(0).D64(0x0);
RegionFromSection();
raw_context.epc = 0x00400020;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
StackFrameSymbolizer frame_symbolizer(NULL, NULL);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
// This should succeed, even without a resolver or supplier.
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(1U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(1U, frames->size());
StackFrameMIPS* frame = static_cast<StackFrameMIPS*>(frames->at(0));
// Check that the values from the original raw context made it
// through to the context in the stack frame.
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
}
class GetContextFrame: public StackwalkerMIPSFixture, public Test { };
TEST_F(GetContextFrame, Simple) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
stack_section.start() = 0x80000000;
stack_section.D64(0).D64(0x0);
RegionFromSection();
raw_context.epc = 0x00400020;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(1U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
StackFrameMIPS* frame = static_cast<StackFrameMIPS*>(frames->at(0));
// Check that the values from the original raw context made it
// through to the context in the stack frame.
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
}
// The stackwalker should be able to produce the context frame even
// without stack memory present.
TEST_F(GetContextFrame, NoStackMemory) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
raw_context.epc = 0x00400020;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, NULL, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(1U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
StackFrameMIPS* frame = static_cast<StackFrameMIPS*>(frames->at(0));
// Check that the values from the original raw context made it
// through to the context in the stack frame.
EXPECT_EQ(0, memcmp(&raw_context, &frame->context, sizeof(raw_context)));
}
class GetCallerFrame: public StackwalkerMIPSFixture, public Test { };
TEST_F(GetCallerFrame, ScanWithoutSymbols) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
// When the stack walker resorts to scanning the stack,
// only addresses located within loaded modules are
// considered valid return addresses.
// Force scanning through three frames to ensure that the
// stack pointer is set properly in scan-recovered frames.
stack_section.start() = 0x80000000;
uint64_t return_address1 = 0x00400100;
uint64_t return_address2 = 0x00400900;
Label frame1_sp, frame2_sp;
stack_section
// frame 0
.Append(32, 0) // space
.D64(0x00490000) // junk that's not
.D64(0x00600000) // a return address
.D64(frame1_sp) // stack pointer
.D64(return_address1) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(32, 0) // space
.D64(0xF0000000) // more junk
.D64(0x0000000D)
.D64(frame2_sp) // stack pointer
.D64(return_address2) // actual return address
// frame 2
.Mark(&frame2_sp)
.Append(64, 0); // end of stack
RegionFromSection();
raw_context.epc = 0x00405510;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = stack_section.start().Value();
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = return_address1;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(1U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(3U, frames->size());
StackFrameMIPS* frame0 = static_cast<StackFrameMIPS*>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameMIPS::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
StackFrameMIPS* frame1 = static_cast<StackFrameMIPS*>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameMIPS::CONTEXT_VALID_PC |
StackFrameMIPS::CONTEXT_VALID_SP |
StackFrameMIPS::CONTEXT_VALID_FP |
StackFrameMIPS::CONTEXT_VALID_RA),
frame1->context_validity);
EXPECT_EQ(return_address1 - 2 * sizeof(return_address1), frame1->context.epc);
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_MIPS_REG_SP]);
StackFrameMIPS* frame2 = static_cast<StackFrameMIPS*>(frames->at(2));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame2->trust);
ASSERT_EQ((StackFrameMIPS::CONTEXT_VALID_PC |
StackFrameMIPS::CONTEXT_VALID_SP |
StackFrameMIPS::CONTEXT_VALID_FP |
StackFrameMIPS::CONTEXT_VALID_RA),
frame2->context_validity);
EXPECT_EQ(return_address2 - 2 * sizeof(return_address2), frame2->context.epc);
EXPECT_EQ(frame2_sp.Value(), frame2->context.iregs[MD_CONTEXT_MIPS_REG_SP]);
}
TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
// During stack scanning, if a potential return address
// is located within a loaded module that has symbols,
// it is only considered a valid return address if it
// lies within a function's bounds.
stack_section.start() = 0x80000000;
uint64_t return_address = 0x00500200;
Label frame1_sp;
stack_section
// frame 0
.Append(16, 0) // space
.D64(0x00490000) // junk that's not
.D64(0x00600000) // a return address
.D64(0x00401000) // a couple of plausible addresses
.D64(0x0050F000) // that are not within functions
.D64(frame1_sp) // stack pointer
.D64(return_address) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(64, 0); // end of stack
RegionFromSection();
raw_context.epc = 0x00400200;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = stack_section.start().Value();
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = return_address;
SetModuleSymbols(&module1,
// The youngest frame's function.
"FUNC 100 400 10 monotreme\n");
SetModuleSymbols(&module2,
// The calling frame's function.
"FUNC 100 400 10 marsupial\n");
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(0U, modules_without_symbols.size());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(2U, frames->size());
StackFrameMIPS* frame0 = static_cast<StackFrameMIPS*>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameMIPS::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
EXPECT_EQ("monotreme", frame0->function_name);
EXPECT_EQ(0x00400100U, frame0->function_base);
StackFrameMIPS* frame1 = static_cast<StackFrameMIPS*>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameMIPS::CONTEXT_VALID_PC |
StackFrameMIPS::CONTEXT_VALID_SP |
StackFrameMIPS::CONTEXT_VALID_FP |
StackFrameMIPS::CONTEXT_VALID_RA),
frame1->context_validity);
EXPECT_EQ(return_address - 2 * sizeof(return_address), frame1->context.epc);
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_MIPS_REG_SP]);
EXPECT_EQ("marsupial", frame1->function_name);
EXPECT_EQ(0x00500100U, frame1->function_base);
}
TEST_F(GetCallerFrame, CheckStackFrameSizeLimit) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
// If the stackwalker resorts to stack scanning, it will scan only
// 1024 bytes of stack which correspondes to maximum size of stack frame.
stack_section.start() = 0x80000000;
uint64_t return_address1 = 0x00500100;
uint64_t return_address2 = 0x00500900;
Label frame1_sp, frame2_sp;
stack_section
// frame 0
.Append(32, 0) // space
.D64(0x00490000) // junk that's not
.D64(0x00600000) // a return address
.Append(96, 0) // more space
.D64(frame1_sp) // stack pointer
.D64(return_address1) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(128 * 4, 0) // space
.D64(0x00F00000) // more junk
.D64(0x0000000D)
.Append(128 * 4, 0) // more space
.D64(frame2_sp) // stack pointer
.D64(return_address2) // actual return address
// (won't be found)
// frame 2
.Mark(&frame2_sp)
.Append(64, 0); // end of stack
RegionFromSection();
raw_context.epc = 0x00405510;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = stack_section.start().Value();
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = return_address1;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(2U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ("module2", modules_without_symbols[1]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(2U, frames->size());
StackFrameMIPS* frame0 = static_cast<StackFrameMIPS*>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameMIPS::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
StackFrameMIPS* frame1 = static_cast<StackFrameMIPS*>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_SCAN, frame1->trust);
ASSERT_EQ((StackFrameMIPS::CONTEXT_VALID_PC |
StackFrameMIPS::CONTEXT_VALID_SP |
StackFrameMIPS::CONTEXT_VALID_FP |
StackFrameMIPS::CONTEXT_VALID_RA),
frame1->context_validity);
EXPECT_EQ(return_address1 - 2 * sizeof(return_address1), frame1->context.epc);
EXPECT_EQ(frame1_sp.Value(), frame1->context.iregs[MD_CONTEXT_MIPS_REG_SP]);
}
// Test that set_max_frames_scanned prevents using stack scanning
// to find caller frames.
TEST_F(GetCallerFrame, ScanningNotAllowed) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
// When the stack walker resorts to scanning the stack,
// only fixed number of frames are allowed to be scanned out from stack
stack_section.start() = 0x80000000;
uint64_t return_address1 = 0x00500100;
uint64_t return_address2 = 0x00500900;
Label frame1_sp, frame2_sp;
stack_section
// frame 0
.Append(32, 0) // space
.D64(0x00490000) // junk that's not
.D64(0x00600000) // a return address
.Append(96, 0) // more space
.D64(frame1_sp) // stack pointer
.D64(return_address1) // actual return address
// frame 1
.Mark(&frame1_sp)
.Append(128 * 4, 0) // space
.D64(0x00F00000) // more junk
.D64(0x0000000D)
.Append(128 * 4, 0) // more space
.D64(frame2_sp) // stack pointer
.D64(return_address2) // actual return address
// (won't be found)
// frame 2
.Mark(&frame2_sp)
.Append(64, 0); // end of stack
RegionFromSection();
raw_context.epc = 0x00405510;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = stack_section.start().Value();
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = return_address1;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
Stackwalker::set_max_frames_scanned(0);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(1U, modules_without_symbols.size());
ASSERT_EQ("module1", modules_without_symbols[0]->debug_file());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(1U, frames->size());
StackFrameMIPS* frame0 = static_cast<StackFrameMIPS*>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameMIPS::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ(0, memcmp(&raw_context, &frame0->context, sizeof(raw_context)));
}
struct CFIFixture: public StackwalkerMIPSFixture {
CFIFixture() {
// Provide some STACK CFI records;
SetModuleSymbols(&module1,
// The youngest frame's function.
"FUNC 4000 1000 0 enchiridion\n"
// Initially, nothing has been pushed on the stack,
// and the return address is still in the $ra register.
"STACK CFI INIT 4000 1000 .cfa: $sp 0 + .ra: $ra\n"
// Move stack pointer.
"STACK CFI 4004 .cfa: $sp 32 +\n"
// store $fp and ra
"STACK CFI 4008 $fp: .cfa -8 + ^ .ra: .cfa -4 + ^\n"
// restore $fp
"STACK CFI 400c .cfa: $fp 32 +\n"
// restore $sp
"STACK CFI 4018 .cfa: $sp 32 +\n"
"STACK CFI 4020 $fp: $fp .cfa: $sp 0 + .ra: .ra\n"
// The calling function.
"FUNC 5000 1000 0 epictetus\n"
// Initially, nothing has been pushed on the stack,
// and the return address is still in the $ra register.
"STACK CFI INIT 5000 1000 .cfa: $sp .ra: $ra\n"
// Mark it as end of stack.
"STACK CFI INIT 5000 8 .cfa: $sp 0 + .ra: $ra\n"
// A function whose CFI makes the stack pointer
// go backwards.
"FUNC 6000 1000 20 palinal\n"
"STACK CFI INIT 6000 1000 .cfa: $sp 4 - .ra: $ra\n"
// A function with CFI expressions that can't be
// evaluated.
"FUNC 7000 1000 20 rhetorical\n"
"STACK CFI INIT 7000 1000 .cfa: moot .ra: ambiguous\n"
);
// Provide some distinctive values for the caller's registers.
expected.epc = 0x00405500;
expected.iregs[MD_CONTEXT_MIPS_REG_S0] = 0x0;
expected.iregs[MD_CONTEXT_MIPS_REG_S1] = 0x1;
expected.iregs[MD_CONTEXT_MIPS_REG_S2] = 0x2;
expected.iregs[MD_CONTEXT_MIPS_REG_S3] = 0x3;
expected.iregs[MD_CONTEXT_MIPS_REG_S4] = 0x4;
expected.iregs[MD_CONTEXT_MIPS_REG_S5] = 0x5;
expected.iregs[MD_CONTEXT_MIPS_REG_S6] = 0x6;
expected.iregs[MD_CONTEXT_MIPS_REG_S7] = 0x7;
expected.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
expected.iregs[MD_CONTEXT_MIPS_REG_FP] = 0x80000000;
expected.iregs[MD_CONTEXT_MIPS_REG_RA] = 0x00405510;
// Expect CFI to recover all callee-save registers. Since CFI is the
// only stack frame construction technique we have, aside from the
// context frame itself, there's no way for us to have a set of valid
// registers smaller than this.
expected_validity = (StackFrameMIPS::CONTEXT_VALID_PC |
StackFrameMIPS::CONTEXT_VALID_S0 |
StackFrameMIPS::CONTEXT_VALID_S1 |
StackFrameMIPS::CONTEXT_VALID_S2 |
StackFrameMIPS::CONTEXT_VALID_S3 |
StackFrameMIPS::CONTEXT_VALID_S4 |
StackFrameMIPS::CONTEXT_VALID_S5 |
StackFrameMIPS::CONTEXT_VALID_S6 |
StackFrameMIPS::CONTEXT_VALID_S7 |
StackFrameMIPS::CONTEXT_VALID_SP |
StackFrameMIPS::CONTEXT_VALID_FP |
StackFrameMIPS::CONTEXT_VALID_GP |
StackFrameMIPS::CONTEXT_VALID_RA);
// By default, context frames provide all registers, as normal.
context_frame_validity = StackFrameMIPS::CONTEXT_VALID_ALL;
// By default, registers are unchanged.
raw_context = expected;
}
// Walk the stack, using stack_section as the contents of the stack
// and raw_context as the current register values. (Set the stack
// pointer to the stack's starting address.) Expect two stack
// frames; in the older frame, expect the callee-saves registers to
// have values matching those in 'expected'.
void CheckWalk() {
RegionFromSection();
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = stack_section.start().Value();
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region,
&modules, &frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(0U, modules_without_symbols.size());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(2U, frames->size());
StackFrameMIPS* frame0 = static_cast<StackFrameMIPS*>(frames->at(0));
EXPECT_EQ(StackFrame::FRAME_TRUST_CONTEXT, frame0->trust);
ASSERT_EQ(StackFrameMIPS::CONTEXT_VALID_ALL, frame0->context_validity);
EXPECT_EQ("enchiridion", frame0->function_name);
EXPECT_EQ(0x00404000U, frame0->function_base);
StackFrameMIPS* frame1 = static_cast<StackFrameMIPS*>(frames->at(1));
EXPECT_EQ(StackFrame::FRAME_TRUST_CFI, frame1->trust);
ASSERT_EQ(expected_validity, frame1->context_validity);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S0],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S0]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S1],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S1]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S2],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S2]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S3],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S3]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S4],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S4]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S5],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S5]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S6],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S6]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_S7],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_S7]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_FP],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_FP]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_RA],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_RA]);
EXPECT_EQ(expected.iregs[MD_CONTEXT_MIPS_REG_SP],
frame1->context.iregs[MD_CONTEXT_MIPS_REG_SP]);
EXPECT_EQ(expected.epc, frame1->context.epc);
EXPECT_EQ(expected.epc, frame1->instruction);
EXPECT_EQ("epictetus", frame1->function_name);
EXPECT_EQ(0x00405000U, frame1->function_base);
}
// The values we expect to find for the caller's registers.
MDRawContextMIPS expected;
// The validity mask for expected.
int expected_validity;
// The validity mask to impose on the context frame.
int context_frame_validity;
};
class CFI: public CFIFixture, public Test { };
// TODO(gordanac): add CFI tests
TEST_F(CFI, At4004) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
Label frame1_sp = expected.iregs[MD_CONTEXT_MIPS_REG_SP];
stack_section
// frame0
.Append(16, 0) // space
.D64(frame1_sp) // stack pointer
.D64(0x00405510) // return address
.Mark(&frame1_sp); // This effectively sets stack_section.start().
raw_context.epc = 0x00404004;
CheckWalk();
}
// Check that we reject rules that would cause the stack pointer to
// move in the wrong direction.
TEST_F(CFI, RejectBackwards) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
raw_context.epc = 0x40005000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = 0x00405510;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(0U, modules_without_symbols.size());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(1U, frames->size());
}
// Check that we reject rules whose expressions' evaluation fails.
TEST_F(CFI, RejectBadExpressions) {
raw_context.context_flags =
raw_context.context_flags | MD_CONTEXT_MIPS64_FULL;
raw_context.epc = 0x00407000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = 0x00405510;
StackFrameSymbolizer frame_symbolizer(&supplier, &resolver);
StackwalkerMIPS walker(&system_info, &raw_context, &stack_region, &modules,
&frame_symbolizer);
vector<const CodeModule*> modules_without_symbols;
vector<const CodeModule*> modules_with_corrupt_symbols;
ASSERT_TRUE(walker.Walk(&call_stack, &modules_without_symbols,
&modules_with_corrupt_symbols));
ASSERT_EQ(0U, modules_without_symbols.size());
ASSERT_EQ(0U, modules_with_corrupt_symbols.size());
frames = call_stack.frames();
ASSERT_EQ(1U, frames->size());
}

10
src/processor/stackwalker_mips_unittest.cc
View file

@ -145,6 +145,7 @@ class StackwalkerMIPSFixture {
class SanityCheck: public StackwalkerMIPSFixture, public Test { };
TEST_F(SanityCheck, NoResolver) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
stack_section.start() = 0x80000000;
stack_section.D32(0).D32(0x0);
RegionFromSection();
@ -173,6 +174,7 @@ TEST_F(SanityCheck, NoResolver) {
class GetContextFrame: public StackwalkerMIPSFixture, public Test { };
TEST_F(GetContextFrame, Simple) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
stack_section.start() = 0x80000000;
stack_section.D32(0).D32(0x0);
RegionFromSection();
@ -199,6 +201,7 @@ TEST_F(GetContextFrame, Simple) {
// The stackwalker should be able to produce the context frame even
// without stack memory present.
TEST_F(GetContextFrame, NoStackMemory) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
raw_context.epc = 0x00400020;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
@ -222,6 +225,7 @@ TEST_F(GetContextFrame, NoStackMemory) {
class GetCallerFrame: public StackwalkerMIPSFixture, public Test { };
TEST_F(GetCallerFrame, ScanWithoutSymbols) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
// When the stack walker resorts to scanning the stack,
// only addresses located within loaded modules are
// considered valid return addresses.
@ -298,6 +302,7 @@ TEST_F(GetCallerFrame, ScanWithoutSymbols) {
}
TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
// During stack scanning, if a potential return address
// is located within a loaded module that has symbols,
// it is only considered a valid return address if it
@ -366,6 +371,7 @@ TEST_F(GetCallerFrame, ScanWithFunctionSymbols) {
}
TEST_F(GetCallerFrame, CheckStackFrameSizeLimit) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
// If the stackwalker resorts to stack scanning, it will scan only
// 1024 bytes of stack which correspondes to maximum size of stack frame.
stack_section.start() = 0x80000000;
@ -437,6 +443,7 @@ TEST_F(GetCallerFrame, CheckStackFrameSizeLimit) {
// Test that set_max_frames_scanned prevents using stack scanning
// to find caller frames.
TEST_F(GetCallerFrame, ScanningNotAllowed) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
// When the stack walker resorts to scanning the stack,
// only fixed number of frames are allowed to be scanned out from stack
stack_section.start() = 0x80000000;
@ -646,6 +653,7 @@ class CFI: public CFIFixture, public Test { };
// TODO(gordanac): add CFI tests
TEST_F(CFI, At4004) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
Label frame1_sp = expected.iregs[MD_CONTEXT_MIPS_REG_SP];
stack_section
// frame0
@ -660,6 +668,7 @@ TEST_F(CFI, At4004) {
// Check that we reject rules that would cause the stack pointer to
// move in the wrong direction.
TEST_F(CFI, RejectBackwards) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
raw_context.epc = 0x40005000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = 0x00405510;
@ -679,6 +688,7 @@ TEST_F(CFI, RejectBackwards) {
// Check that we reject rules whose expressions' evaluation fails.
TEST_F(CFI, RejectBadExpressions) {
raw_context.context_flags = raw_context.context_flags | MD_CONTEXT_MIPS_FULL;
raw_context.epc = 0x00407000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_SP] = 0x80000000;
raw_context.iregs[MD_CONTEXT_MIPS_REG_RA] = 0x00405510;

14
src/tools/linux/md2core/minidump-2-core.cc
View file

@ -494,11 +494,21 @@ ParseSystemInfo(CrashedProcess* crashinfo, const MinidumpMemoryRange& range,
_exit(1);
}
#elif defined(__mips__)
# if _MIPS_SIM == _ABIO32
if (sysinfo->processor_architecture != MD_CPU_ARCHITECTURE_MIPS) {
fprintf(stderr,
"This version of minidump-2-core only supports mips (32bit).\n");
"This version of minidump-2-core only supports mips o32 (32bit).\n");
_exit(1);
}
# elif _MIPS_SIM == _ABI64
if (sysinfo->processor_architecture != MD_CPU_ARCHITECTURE_MIPS64) {
fprintf(stderr,
"This version of minidump-2-core only supports mips n64 (64bit).\n");
_exit(1);
}
# else
# error "This mips ABI is currently not supported (n32)"
# endif
#else
#error "This code has not been ported to your platform yet"
#endif
@ -525,6 +535,8 @@ ParseSystemInfo(CrashedProcess* crashinfo, const MinidumpMemoryRange& range,
? "ARM"
: sysinfo->processor_architecture == MD_CPU_ARCHITECTURE_MIPS
? "MIPS"
: sysinfo->processor_architecture == MD_CPU_ARCHITECTURE_MIPS64
? "MIPS64"
: "???",
sysinfo->number_of_processors,
sysinfo->processor_level,