mirror of
https://github.com/yuzu-emu/breakpad.git
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Add PPC64 support to breakpad processor.
A=Jia Ji <jijia@google.com> Original review: https://breakpad.appspot.com/557002/ Review URL: https://breakpad.appspot.com/558002 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1147 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
thestig@chromium.org
parent
d3c4cbd30f
commit
0c759c6f62
@ -193,6 +193,8 @@ src_libbreakpad_a_SOURCES = \
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src/processor/stackwalker_arm.h \
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src/processor/stackwalker_ppc.cc \
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src/processor/stackwalker_ppc.h \
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src/processor/stackwalker_ppc64.cc \
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src/processor/stackwalker_ppc64.h \
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src/processor/stackwalker_sparc.cc \
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src/processor/stackwalker_sparc.h \
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src/processor/stackwalker_x86.cc \
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@ -621,6 +623,7 @@ src_processor_exploitability_unittest_LDADD = \
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src/processor/stackwalker_amd64.o \
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src/processor/stackwalker_arm.o \
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src/processor/stackwalker_ppc.o \
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src/processor/stackwalker_ppc64.o \
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src/processor/stackwalker_sparc.o \
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src/processor/stackwalker_x86.o \
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src/processor/tokenize.o \
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@ -709,6 +712,7 @@ src_processor_minidump_processor_unittest_LDADD = \
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src/processor/stackwalker_amd64.o \
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src/processor/stackwalker_arm.o \
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src/processor/stackwalker_ppc.o \
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src/processor/stackwalker_ppc64.o \
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src/processor/stackwalker_sparc.o \
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src/processor/stackwalker_x86.o \
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src/processor/tokenize.o \
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@ -833,6 +837,7 @@ src_processor_stackwalker_selftest_LDADD = \
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src/processor/stackwalker_amd64.o \
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src/processor/stackwalker_arm.o \
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src/processor/stackwalker_ppc.o \
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src/processor/stackwalker_ppc64.o \
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src/processor/stackwalker_sparc.o \
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src/processor/stackwalker_x86.o \
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src/processor/tokenize.o \
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@ -953,6 +958,7 @@ src_processor_minidump_stackwalk_LDADD = \
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src/processor/stackwalker_amd64.o \
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src/processor/stackwalker_arm.o \
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src/processor/stackwalker_ppc.o \
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src/processor/stackwalker_ppc64.o \
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src/processor/stackwalker_sparc.o \
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src/processor/stackwalker_x86.o \
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src/processor/tokenize.o \
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18
Makefile.in
18
Makefile.in
@ -313,6 +313,8 @@ am__src_libbreakpad_a_SOURCES_DIST = \
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src/processor/stackwalker_arm.h \
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src/processor/stackwalker_ppc.cc \
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src/processor/stackwalker_ppc.h \
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src/processor/stackwalker_ppc64.cc \
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src/processor/stackwalker_ppc64.h \
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src/processor/stackwalker_sparc.cc \
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src/processor/stackwalker_sparc.h \
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src/processor/stackwalker_x86.cc \
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@ -350,6 +352,7 @@ am__src_libbreakpad_a_SOURCES_DIST = \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.$(OBJEXT) \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.$(OBJEXT)
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@ -717,6 +720,7 @@ src_processor_exploitability_unittest_OBJECTS = \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -794,6 +798,7 @@ src_processor_minidump_processor_unittest_OBJECTS = \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -826,6 +831,7 @@ src_processor_minidump_stackwalk_OBJECTS = \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -936,6 +942,7 @@ src_processor_stackwalker_selftest_OBJECTS = \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -1443,6 +1450,8 @@ lib_LIBRARIES = $(am__append_5) $(am__append_7)
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.h \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.cc \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.h \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.cc \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.h \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.cc \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.h \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.cc \
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@ -1786,6 +1795,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -1882,6 +1892,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -2020,6 +2031,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -2147,6 +2159,7 @@ TESTS = $(check_PROGRAMS) $(check_SCRIPTS)
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_amd64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_arm.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_ppc64.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_sparc.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/stackwalker_x86.o \
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@DISABLE_PROCESSOR_FALSE@ src/processor/tokenize.o \
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@ -2553,6 +2566,9 @@ src/processor/stackwalker_arm.$(OBJEXT): \
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src/processor/stackwalker_ppc.$(OBJEXT): \
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src/processor/$(am__dirstamp) \
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src/processor/$(DEPDIR)/$(am__dirstamp)
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src/processor/stackwalker_ppc64.$(OBJEXT): \
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src/processor/$(am__dirstamp) \
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src/processor/$(DEPDIR)/$(am__dirstamp)
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src/processor/stackwalker_sparc.$(OBJEXT): \
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src/processor/$(am__dirstamp) \
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src/processor/$(DEPDIR)/$(am__dirstamp)
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@ -3485,6 +3501,7 @@ mostlyclean-compile:
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-rm -f src/processor/stackwalker_amd64.$(OBJEXT)
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-rm -f src/processor/stackwalker_arm.$(OBJEXT)
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-rm -f src/processor/stackwalker_ppc.$(OBJEXT)
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-rm -f src/processor/stackwalker_ppc64.$(OBJEXT)
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-rm -f src/processor/stackwalker_selftest.$(OBJEXT)
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-rm -f src/processor/stackwalker_sparc.$(OBJEXT)
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-rm -f src/processor/stackwalker_x86.$(OBJEXT)
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@ -3719,6 +3736,7 @@ distclean-compile:
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_amd64.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_arm.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_ppc.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_ppc64.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_selftest.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_sparc.Po@am__quote@
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@AMDEP_TRUE@@am__include@ @am__quote@src/processor/$(DEPDIR)/stackwalker_x86.Po@am__quote@
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@ -116,14 +116,14 @@ typedef struct {
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* context stored in the structure. MD_CONTEXT_PPC is Breakpad-defined. Its
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* value was chosen to avoid likely conflicts with MD_CONTEXT_* for other
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* CPUs. */
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#define MD_CONTEXT_PPC 0x20000000
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#define MD_CONTEXT_PPC_BASE (MD_CONTEXT_PPC | 0x00000001)
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#define MD_CONTEXT_PPC_FLOATING_POINT (MD_CONTEXT_PPC | 0x00000008)
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#define MD_CONTEXT_PPC_VECTOR (MD_CONTEXT_PPC | 0x00000020)
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#define MD_CONTEXT_PPC64 0x01000000
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#define MD_CONTEXT_PPC64_BASE (MD_CONTEXT_PPC64 | 0x00000001)
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#define MD_CONTEXT_PPC64_FLOATING_POINT (MD_CONTEXT_PPC64 | 0x00000008)
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#define MD_CONTEXT_PPC64_VECTOR (MD_CONTEXT_PPC64 | 0x00000020)
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#define MD_CONTEXT_PPC_FULL MD_CONTEXT_PPC_BASE
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#define MD_CONTEXT_PPC_ALL (MD_CONTEXT_PPC_FULL | \
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MD_CONTEXT_PPC_FLOATING_POINT | \
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MD_CONTEXT_PPC_VECTOR)
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#define MD_CONTEXT_PPC64_FULL MD_CONTEXT_PPC64_BASE
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#define MD_CONTEXT_PPC64_ALL (MD_CONTEXT_PPC64_FULL | \
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MD_CONTEXT_PPC64_FLOATING_POINT | \
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MD_CONTEXT_PPC64_VECTOR)
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#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_CPU_PPC64_H__ */
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@ -604,6 +604,7 @@ typedef enum {
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MD_CPU_ARCHITECTURE_AMD64 = 9, /* PROCESSOR_ARCHITECTURE_AMD64 */
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MD_CPU_ARCHITECTURE_X86_WIN64 = 10,
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/* PROCESSOR_ARCHITECTURE_IA32_ON_WIN64 (WoW64) */
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MD_CPU_ARCHITECTURE_PPC64 = 0x8000, /* Breakpad-defined value for PPC64 */
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MD_CPU_ARCHITECTURE_SPARC = 0x8001, /* Breakpad-defined value for SPARC */
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MD_CPU_ARCHITECTURE_UNKNOWN = 0xffff /* PROCESSOR_ARCHITECTURE_UNKNOWN */
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} MDCPUArchitecture;
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@ -188,6 +188,7 @@ class MinidumpContext : public MinidumpStream {
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const MDRawContextAMD64* GetContextAMD64() const;
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const MDRawContextARM* GetContextARM() const;
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const MDRawContextPPC* GetContextPPC() const;
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const MDRawContextPPC64* GetContextPPC64() const;
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const MDRawContextSPARC* GetContextSPARC() const;
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const MDRawContextX86* GetContextX86() const;
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@ -202,6 +203,7 @@ class MinidumpContext : public MinidumpStream {
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MDRawContextBase* base;
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MDRawContextX86* x86;
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MDRawContextPPC* ppc;
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MDRawContextPPC64* ppc64;
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MDRawContextAMD64* amd64;
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// on Solaris SPARC, sparc is defined as a numeric constant,
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// so variables can NOT be named as sparc
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@ -123,6 +123,32 @@ struct StackFramePPC : public StackFrame {
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int context_validity;
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};
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struct StackFramePPC64 : public StackFrame {
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// ContextValidity should eventually contain entries for the validity of
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// other nonvolatile (callee-save) registers as in
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// StackFrameX86::ContextValidity, but the ppc stackwalker doesn't currently
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// locate registers other than the ones listed here.
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enum ContextValidity {
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CONTEXT_VALID_NONE = 0,
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CONTEXT_VALID_SRR0 = 1 << 0,
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CONTEXT_VALID_GPR1 = 1 << 1,
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CONTEXT_VALID_ALL = -1
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};
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StackFramePPC64() : context(), context_validity(CONTEXT_VALID_NONE) {}
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// Register state. This is only fully valid for the topmost frame in a
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// stack. In other frames, the values of nonvolatile registers may be
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// present, given sufficient debugging information. Refer to
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// context_validity.
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MDRawContextPPC64 context;
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// context_validity is actually ContextValidity, but int is used because
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// the OR operator doesn't work well with enumerated types. This indicates
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// which fields in context are valid.
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int context_validity;
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};
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struct StackFrameAMD64 : public StackFrame {
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// ContextValidity has one entry for each register that we might be able
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// to recover.
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@ -409,6 +409,78 @@ bool MinidumpContext::Read(uint32_t expected_size) {
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context_.amd64 = context_amd64.release();
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}
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// |context_flags| of MDRawContextPPC64 is 64 bits, but other MDRawContext
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// in the else case have 32 bits |context_flags|, so special case it here.
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else if (expected_size == sizeof(MDRawContextPPC64)) {
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uint64_t context_flags;
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if (!minidump_->ReadBytes(&context_flags, sizeof(context_flags))) {
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BPLOG(ERROR) << "MinidumpContext could not read context flags";
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return false;
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}
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if (minidump_->swap())
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Swap(&context_flags);
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uint32_t cpu_type = context_flags & MD_CONTEXT_CPU_MASK;
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scoped_ptr<MDRawContextPPC64> context_ppc64(new MDRawContextPPC64());
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// Set the context_flags member, which has already been read, and
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// read the rest of the structure beginning with the first member
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// after context_flags.
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context_ppc64->context_flags = context_flags;
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size_t flags_size = sizeof(context_ppc64->context_flags);
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uint8_t* context_after_flags =
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reinterpret_cast<uint8_t*>(context_ppc64.get()) + flags_size;
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if (!minidump_->ReadBytes(context_after_flags,
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sizeof(MDRawContextPPC64) - flags_size)) {
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BPLOG(ERROR) << "MinidumpContext could not read ppc64 context";
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return false;
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}
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// Do this after reading the entire MDRawContext structure because
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// GetSystemInfo may seek minidump to a new position.
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if (!CheckAgainstSystemInfo(cpu_type)) {
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BPLOG(ERROR) << "MinidumpContext ppc64 does not match system info";
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return false;
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}
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if (minidump_->swap()) {
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// context_ppc64->context_flags was already swapped.
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Swap(&context_ppc64->srr0);
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Swap(&context_ppc64->srr1);
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for (unsigned int gpr_index = 0;
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gpr_index < MD_CONTEXT_PPC64_GPR_COUNT;
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++gpr_index) {
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Swap(&context_ppc64->gpr[gpr_index]);
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}
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Swap(&context_ppc64->cr);
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Swap(&context_ppc64->xer);
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Swap(&context_ppc64->lr);
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Swap(&context_ppc64->ctr);
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Swap(&context_ppc64->vrsave);
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for (unsigned int fpr_index = 0;
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fpr_index < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT;
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++fpr_index) {
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Swap(&context_ppc64->float_save.fpregs[fpr_index]);
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}
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// Don't swap context_ppc64->float_save.fpscr_pad because it is only
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// used for padding.
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Swap(&context_ppc64->float_save.fpscr);
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for (unsigned int vr_index = 0;
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vr_index < MD_VECTORSAVEAREA_PPC_VR_COUNT;
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++vr_index) {
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Normalize128(&context_ppc64->vector_save.save_vr[vr_index], true);
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Swap(&context_ppc64->vector_save.save_vr[vr_index]);
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}
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Swap(&context_ppc64->vector_save.save_vscr);
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// Don't swap the padding fields in vector_save.
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Swap(&context_ppc64->vector_save.save_vrvalid);
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}
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context_flags_ = context_ppc64->context_flags;
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context_.ppc64 = context_ppc64.release();
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}
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else {
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uint32_t context_flags;
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if (!minidump_->ReadBytes(&context_flags, sizeof(context_flags))) {
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@ -753,6 +825,9 @@ bool MinidumpContext::GetInstructionPointer(uint64_t* ip) const {
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case MD_CONTEXT_PPC:
|
||||
*ip = context_.ppc->srr0;
|
||||
break;
|
||||
case MD_CONTEXT_PPC64:
|
||||
*ip = context_.ppc64->srr0;
|
||||
break;
|
||||
case MD_CONTEXT_SPARC:
|
||||
*ip = context_.ctx_sparc->pc;
|
||||
break;
|
||||
@ -787,6 +862,15 @@ const MDRawContextPPC* MinidumpContext::GetContextPPC() const {
|
||||
return context_.ppc;
|
||||
}
|
||||
|
||||
const MDRawContextPPC64* MinidumpContext::GetContextPPC64() const {
|
||||
if (GetContextCPU() != MD_CONTEXT_PPC64) {
|
||||
BPLOG(ERROR) << "MinidumpContext cannot get ppc64 context";
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return context_.ppc64;
|
||||
}
|
||||
|
||||
const MDRawContextAMD64* MinidumpContext::GetContextAMD64() const {
|
||||
if (GetContextCPU() != MD_CONTEXT_AMD64) {
|
||||
BPLOG(ERROR) << "MinidumpContext cannot get amd64 context";
|
||||
@ -824,6 +908,10 @@ void MinidumpContext::FreeContext() {
|
||||
delete context_.ppc;
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_PPC64:
|
||||
delete context_.ppc64;
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_AMD64:
|
||||
delete context_.amd64;
|
||||
break;
|
||||
@ -886,6 +974,11 @@ bool MinidumpContext::CheckAgainstSystemInfo(uint32_t context_cpu_type) {
|
||||
return_value = true;
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_PPC64:
|
||||
if (system_info_cpu_type == MD_CPU_ARCHITECTURE_PPC64)
|
||||
return_value = true;
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_AMD64:
|
||||
if (system_info_cpu_type == MD_CPU_ARCHITECTURE_AMD64)
|
||||
return_value = true;
|
||||
@ -1020,6 +1113,44 @@ void MinidumpContext::Print() {
|
||||
break;
|
||||
}
|
||||
|
||||
case MD_CONTEXT_PPC64: {
|
||||
const MDRawContextPPC64* context_ppc64 = GetContextPPC64();
|
||||
printf("MDRawContextPPC64\n");
|
||||
printf(" context_flags = 0x%lx\n",
|
||||
context_ppc64->context_flags);
|
||||
printf(" srr0 = 0x%lx\n", context_ppc64->srr0);
|
||||
printf(" srr1 = 0x%lx\n", context_ppc64->srr1);
|
||||
for (unsigned int gpr_index = 0;
|
||||
gpr_index < MD_CONTEXT_PPC64_GPR_COUNT;
|
||||
++gpr_index) {
|
||||
printf(" gpr[%2d] = 0x%lx\n",
|
||||
gpr_index, context_ppc64->gpr[gpr_index]);
|
||||
}
|
||||
printf(" cr = 0x%lx\n", context_ppc64->cr);
|
||||
printf(" xer = 0x%lx\n", context_ppc64->xer);
|
||||
printf(" lr = 0x%lx\n", context_ppc64->lr);
|
||||
printf(" ctr = 0x%lx\n", context_ppc64->ctr);
|
||||
printf(" vrsave = 0x%lx\n", context_ppc64->vrsave);
|
||||
for (unsigned int fpr_index = 0;
|
||||
fpr_index < MD_FLOATINGSAVEAREA_PPC_FPR_COUNT;
|
||||
++fpr_index) {
|
||||
printf(" float_save.fpregs[%2d] = 0x%" PRIx64 "\n",
|
||||
fpr_index, context_ppc64->float_save.fpregs[fpr_index]);
|
||||
}
|
||||
printf(" float_save.fpscr = 0x%x\n",
|
||||
context_ppc64->float_save.fpscr);
|
||||
// TODO(mmentovai): print the 128-bit quantities in
|
||||
// context_ppc64->vector_save. This isn't done yet because printf
|
||||
// doesn't support 128-bit quantities, and printing them using
|
||||
// PRIx64 as two 64-bit quantities requires knowledge of the CPU's
|
||||
// byte ordering.
|
||||
printf(" vector_save.save_vrvalid = 0x%x\n",
|
||||
context_ppc64->vector_save.save_vrvalid);
|
||||
printf("\n");
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
case MD_CONTEXT_AMD64: {
|
||||
const MDRawContextAMD64* context_amd64 = GetContextAMD64();
|
||||
printf("MDRawContextAMD64\n");
|
||||
@ -3198,6 +3329,10 @@ string MinidumpSystemInfo::GetCPU() {
|
||||
cpu = "ppc";
|
||||
break;
|
||||
|
||||
case MD_CPU_ARCHITECTURE_PPC64:
|
||||
cpu = "ppc64";
|
||||
break;
|
||||
|
||||
case MD_CPU_ARCHITECTURE_SPARC:
|
||||
cpu = "sparc";
|
||||
break;
|
||||
@ -3863,6 +3998,9 @@ bool Minidump::GetContextCPUFlagsFromSystemInfo(uint32_t *context_cpu_flags) {
|
||||
case MD_CPU_ARCHITECTURE_PPC:
|
||||
*context_cpu_flags = MD_CONTEXT_PPC;
|
||||
break;
|
||||
case MD_CPU_ARCHITECTURE_PPC64:
|
||||
*context_cpu_flags = MD_CONTEXT_PPC64;
|
||||
break;
|
||||
case MD_CPU_ARCHITECTURE_SHX:
|
||||
*context_cpu_flags = MD_CONTEXT_SHX;
|
||||
break;
|
||||
|
||||
@ -347,6 +347,11 @@ bool MinidumpProcessor::GetCPUInfo(Minidump *dump, SystemInfo *info) {
|
||||
break;
|
||||
}
|
||||
|
||||
case MD_CPU_ARCHITECTURE_PPC64: {
|
||||
info->cpu = "ppc64";
|
||||
break;
|
||||
}
|
||||
|
||||
case MD_CPU_ARCHITECTURE_SPARC: {
|
||||
info->cpu = "sparc";
|
||||
break;
|
||||
|
||||
@ -48,6 +48,7 @@
|
||||
#include "processor/linked_ptr.h"
|
||||
#include "processor/logging.h"
|
||||
#include "processor/stackwalker_ppc.h"
|
||||
#include "processor/stackwalker_ppc64.h"
|
||||
#include "processor/stackwalker_sparc.h"
|
||||
#include "processor/stackwalker_x86.h"
|
||||
#include "processor/stackwalker_amd64.h"
|
||||
@ -165,6 +166,12 @@ Stackwalker* Stackwalker::StackwalkerForCPU(
|
||||
memory, modules, frame_symbolizer);
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_PPC64:
|
||||
cpu_stackwalker = new StackwalkerPPC64(system_info,
|
||||
context->GetContextPPC64(),
|
||||
memory, modules, frame_symbolizer);
|
||||
break;
|
||||
|
||||
case MD_CONTEXT_AMD64:
|
||||
cpu_stackwalker = new StackwalkerAMD64(system_info,
|
||||
context->GetContextAMD64(),
|
||||
|
||||
136
src/processor/stackwalker_ppc64.cc
Normal file
136
src/processor/stackwalker_ppc64.cc
Normal file
@ -0,0 +1,136 @@
|
||||
// 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.
|
||||
|
||||
// stackwalker_ppc64.cc: ppc64-specific stackwalker.
|
||||
//
|
||||
// See stackwalker_ppc64.h for documentation.
|
||||
|
||||
|
||||
#include "processor/stackwalker_ppc64.h"
|
||||
#include "google_breakpad/processor/call_stack.h"
|
||||
#include "google_breakpad/processor/memory_region.h"
|
||||
#include "google_breakpad/processor/stack_frame_cpu.h"
|
||||
#include "processor/logging.h"
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
namespace google_breakpad {
|
||||
|
||||
|
||||
StackwalkerPPC64::StackwalkerPPC64(const SystemInfo* system_info,
|
||||
const MDRawContextPPC64* context,
|
||||
MemoryRegion* memory,
|
||||
const CodeModules* modules,
|
||||
StackFrameSymbolizer* resolver_helper)
|
||||
: Stackwalker(system_info, memory, modules, resolver_helper),
|
||||
context_(context) {
|
||||
}
|
||||
|
||||
|
||||
StackFrame* StackwalkerPPC64::GetContextFrame() {
|
||||
if (!context_) {
|
||||
BPLOG(ERROR) << "Can't get context frame without context";
|
||||
return NULL;
|
||||
}
|
||||
|
||||
StackFramePPC64* frame = new StackFramePPC64();
|
||||
|
||||
// The instruction pointer is stored directly in a register, so pull it
|
||||
// straight out of the CPU context structure.
|
||||
frame->context = *context_;
|
||||
frame->context_validity = StackFramePPC64::CONTEXT_VALID_ALL;
|
||||
frame->trust = StackFrame::FRAME_TRUST_CONTEXT;
|
||||
frame->instruction = frame->context.srr0;
|
||||
|
||||
return frame;
|
||||
}
|
||||
|
||||
|
||||
StackFrame* StackwalkerPPC64::GetCallerFrame(const CallStack* stack) {
|
||||
if (!memory_ || !stack) {
|
||||
BPLOG(ERROR) << "Can't get caller frame without memory or stack";
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// The instruction pointers for previous frames are saved on the stack.
|
||||
// The typical ppc64 calling convention is for the called procedure to store
|
||||
// its return address in the calling procedure's stack frame at 8(%r1),
|
||||
// and to allocate its own stack frame by decrementing %r1 (the stack
|
||||
// pointer) and saving the old value of %r1 at 0(%r1). Because the ppc64 has
|
||||
// no hardware stack, there is no distinction between the stack pointer and
|
||||
// frame pointer, and what is typically thought of as the frame pointer on
|
||||
// an x86 is usually referred to as the stack pointer on a ppc64.
|
||||
|
||||
StackFramePPC64* last_frame = static_cast<StackFramePPC64*>(
|
||||
stack->frames()->back());
|
||||
|
||||
// A caller frame must reside higher in memory than its callee frames.
|
||||
// Anything else is an error, or an indication that we've reached the
|
||||
// end of the stack.
|
||||
uint64_t stack_pointer;
|
||||
if (!memory_->GetMemoryAtAddress(last_frame->context.gpr[1],
|
||||
&stack_pointer) ||
|
||||
stack_pointer <= last_frame->context.gpr[1]) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
// Mac OS X/Darwin gives 1 as the return address from the bottom-most
|
||||
// frame in a stack (a thread's entry point). I haven't found any
|
||||
// documentation on this, but 0 or 1 would be bogus return addresses,
|
||||
// so check for them here and return false (end of stack) when they're
|
||||
// hit to avoid having a phantom frame.
|
||||
uint64_t instruction;
|
||||
if (!memory_->GetMemoryAtAddress(stack_pointer + 16, &instruction) ||
|
||||
instruction <= 1) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
StackFramePPC64* frame = new StackFramePPC64();
|
||||
|
||||
frame->context = last_frame->context;
|
||||
frame->context.srr0 = instruction;
|
||||
frame->context.gpr[1] = stack_pointer;
|
||||
frame->context_validity = StackFramePPC64::CONTEXT_VALID_SRR0 |
|
||||
StackFramePPC64::CONTEXT_VALID_GPR1;
|
||||
frame->trust = StackFrame::FRAME_TRUST_FP;
|
||||
|
||||
// frame->context.srr0 is the return address, which is one instruction
|
||||
// past the branch that caused us to arrive at the callee. Set
|
||||
// frame_ppc64->instruction to eight less than that. Since all ppc64
|
||||
// instructions are 8 bytes wide, this is the address of the branch
|
||||
// instruction. This allows source line information to match up with the
|
||||
// line that contains a function call. Callers that require the exact
|
||||
// return address value may access the context.srr0 field of StackFramePPC64.
|
||||
frame->instruction = frame->context.srr0 - 8;
|
||||
|
||||
return frame;
|
||||
}
|
||||
|
||||
|
||||
} // namespace google_breakpad
|
||||
76
src/processor/stackwalker_ppc64.h
Normal file
76
src/processor/stackwalker_ppc64.h
Normal file
@ -0,0 +1,76 @@
|
||||
// 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.
|
||||
|
||||
// stackwalker_ppc64.h: ppc-specific stackwalker.
|
||||
//
|
||||
// Provides stack frames given ppc64 register context and a memory region
|
||||
// corresponding to a ppc64 stack.
|
||||
|
||||
|
||||
#ifndef PROCESSOR_STACKWALKER_PPC64_H__
|
||||
#define PROCESSOR_STACKWALKER_PPC64_H__
|
||||
|
||||
|
||||
#include "google_breakpad/common/breakpad_types.h"
|
||||
#include "google_breakpad/common/minidump_format.h"
|
||||
#include "google_breakpad/processor/stackwalker.h"
|
||||
|
||||
namespace google_breakpad {
|
||||
|
||||
class CodeModules;
|
||||
|
||||
class StackwalkerPPC64 : public Stackwalker {
|
||||
public:
|
||||
// context is a ppc64 context object that gives access to ppc64-specific
|
||||
// register state corresponding to the innermost called frame to be
|
||||
// included in the stack. The other arguments are passed directly through
|
||||
// to the base Stackwalker constructor.
|
||||
StackwalkerPPC64(const SystemInfo* system_info,
|
||||
const MDRawContextPPC64* context,
|
||||
MemoryRegion* memory,
|
||||
const CodeModules* modules,
|
||||
StackFrameSymbolizer* frame_symbolizer);
|
||||
|
||||
private:
|
||||
// Implementation of Stackwalker, using ppc64 context (stack pointer in %r1,
|
||||
// saved program counter in %srr0) and stack conventions (saved stack
|
||||
// pointer at 0(%r1), return address at 8(0(%r1)).
|
||||
virtual StackFrame* GetContextFrame();
|
||||
virtual StackFrame* GetCallerFrame(const CallStack* stack);
|
||||
|
||||
// Stores the CPU context corresponding to the innermost stack frame to
|
||||
// be returned by GetContextFrame.
|
||||
const MDRawContextPPC64* context_;
|
||||
};
|
||||
|
||||
|
||||
} // namespace google_breakpad
|
||||
|
||||
|
||||
#endif // PROCESSOR_STACKWALKER_PPC64_H__
|
||||
Loading…
Reference in New Issue
Block a user