SORRY. It seems I've screwed up my commit for http://breakpad.appspot.com/411002/, since revision 1001 only contains the new src/client/linux/linux_libc_support.cc and none of the other required files.

I'm not sure what happened, but I'm re-uploading the patch has another issue.

Review URL: https://breakpad.appspot.com/426002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1002 4c0a9323-5329-0410-9bdc-e9ce6186880e

Makefile.am

@@ -86,6 +86,7 @@ src_client_linux_libbreakpad_client_a_SOURCES = \
 	src/common/linux/elfutils.cc \
 	src/common/linux/file_id.cc \
 	src/common/linux/guid_creator.cc \
+	src/common/linux/linux_libc_support.cc \
 	src/common/linux/memory_mapped_file.cc \
 	src/common/linux/safe_readlink.cc
 endif LINUX_HOST
@@ -339,6 +340,7 @@ src_client_linux_linux_client_unittest_LDADD = \
 	src/common/linux/elfutils.o \
 	src/common/linux/file_id.o \
 	src/common/linux/guid_creator.o \
+	src/common/linux/linux_libc_support.o \
 	src/common/linux/memory_mapped_file.o \
 	src/common/linux/safe_readlink.o \
 	src/common/string_conversion.o \
@@ -373,6 +375,7 @@ src_tools_linux_dump_syms_dump_syms_SOURCES = \
 	src/common/linux/elf_symbols_to_module.cc \
 	src/common/linux/elfutils.cc \
 	src/common/linux/file_id.cc \
+	src/common/linux/linux_libc_support.cc \
 	src/common/linux/memory_mapped_file.cc \
 	src/common/linux/safe_readlink.cc \
 	src/tools/linux/dump_syms/dump_syms.cc
@@ -422,15 +425,16 @@ src_common_dumper_unittest_SOURCES = \
 	src/common/linux/elf_core_dump_unittest.cc \
 	src/common/linux/elf_symbols_to_module.cc \
 	src/common/linux/elf_symbols_to_module_unittest.cc \
-	src/common/linux/memory_mapped_file.cc \
-	src/common/linux/memory_mapped_file_unittest.cc \
-	src/common/linux/synth_elf.cc \
-	src/common/linux/synth_elf_unittest.cc \
 	src/common/linux/elfutils.cc \
 	src/common/linux/file_id.cc \
 	src/common/linux/file_id_unittest.cc \
+	src/common/linux/linux_libc_support.cc \
+	src/common/linux/memory_mapped_file.cc \
+	src/common/linux/memory_mapped_file_unittest.cc \
 	src/common/linux/safe_readlink.cc \
 	src/common/linux/safe_readlink_unittest.cc \
+	src/common/linux/synth_elf.cc \
+	src/common/linux/synth_elf_unittest.cc \
 	src/common/linux/tests/crash_generator.cc \
 	src/common/tests/file_utils.cc \
 	src/testing/gtest/src/gtest-all.cc \

Makefile.in

@@ -179,6 +179,7 @@ am__src_client_linux_libbreakpad_client_a_SOURCES_DIST =  \
 	src/common/md5.cc src/common/string_conversion.cc \
 	src/common/linux/elfutils.cc src/common/linux/file_id.cc \
 	src/common/linux/guid_creator.cc \
+	src/common/linux/linux_libc_support.cc \
 	src/common/linux/memory_mapped_file.cc \
 	src/common/linux/safe_readlink.cc
 am__dirstamp = $(am__leading_dot)dirstamp
@@ -195,6 +196,7 @@ am__dirstamp = $(am__leading_dot)dirstamp
 @LINUX_HOST_TRUE@	src/common/linux/elfutils.$(OBJEXT) \
 @LINUX_HOST_TRUE@	src/common/linux/file_id.$(OBJEXT) \
 @LINUX_HOST_TRUE@	src/common/linux/guid_creator.$(OBJEXT) \
+@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.$(OBJEXT) \
 @LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.$(OBJEXT) \
 @LINUX_HOST_TRUE@	src/common/linux/safe_readlink.$(OBJEXT)
 src_client_linux_libbreakpad_client_a_OBJECTS =  \
@@ -464,14 +466,15 @@ am__src_common_dumper_unittest_SOURCES_DIST =  \
 	src/common/linux/elf_core_dump_unittest.cc \
 	src/common/linux/elf_symbols_to_module.cc \
 	src/common/linux/elf_symbols_to_module_unittest.cc \
-	src/common/linux/memory_mapped_file.cc \
-	src/common/linux/memory_mapped_file_unittest.cc \
-	src/common/linux/synth_elf.cc \
-	src/common/linux/synth_elf_unittest.cc \
 	src/common/linux/elfutils.cc src/common/linux/file_id.cc \
 	src/common/linux/file_id_unittest.cc \
+	src/common/linux/linux_libc_support.cc \
+	src/common/linux/memory_mapped_file.cc \
+	src/common/linux/memory_mapped_file_unittest.cc \
 	src/common/linux/safe_readlink.cc \
 	src/common/linux/safe_readlink_unittest.cc \
+	src/common/linux/synth_elf.cc \
+	src/common/linux/synth_elf_unittest.cc \
 	src/common/linux/tests/crash_generator.cc \
 	src/common/tests/file_utils.cc \
 	src/testing/gtest/src/gtest-all.cc \
@@ -507,15 +510,16 @@ am__src_common_dumper_unittest_SOURCES_DIST =  \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-elf_core_dump_unittest.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-elf_symbols_to_module.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-elf_symbols_to_module_unittest.$(OBJEXT) \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT) \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT) \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-synth_elf.$(OBJEXT) \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-synth_elf_unittest.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-elfutils.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-file_id.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-file_id_unittest.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-linux_libc_support.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-safe_readlink.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-safe_readlink_unittest.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-synth_elf.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/src_common_dumper_unittest-synth_elf_unittest.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/tests/src_common_dumper_unittest-crash_generator.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/tests/src_common_dumper_unittest-file_utils.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/testing/gtest/src/src_common_dumper_unittest-gtest-all.$(OBJEXT) \
@@ -937,6 +941,7 @@ am__src_tools_linux_dump_syms_dump_syms_SOURCES_DIST =  \
 	src/common/linux/dump_symbols.cc \
 	src/common/linux/elf_symbols_to_module.cc \
 	src/common/linux/elfutils.cc src/common/linux/file_id.cc \
+	src/common/linux/linux_libc_support.cc \
 	src/common/linux/memory_mapped_file.cc \
 	src/common/linux/safe_readlink.cc \
 	src/tools/linux/dump_syms/dump_syms.cc
@@ -954,6 +959,7 @@ am__src_tools_linux_dump_syms_dump_syms_SOURCES_DIST =  \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elf_symbols_to_module.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elfutils.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/file_id.$(OBJEXT) \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/safe_readlink.$(OBJEXT) \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/tools/linux/dump_syms/dump_syms.$(OBJEXT)
@@ -1244,6 +1250,7 @@ lib_LIBRARIES = $(am__append_1) $(am__append_3)
 @LINUX_HOST_TRUE@	src/common/linux/elfutils.cc \
 @LINUX_HOST_TRUE@	src/common/linux/file_id.cc \
 @LINUX_HOST_TRUE@	src/common/linux/guid_creator.cc \
+@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.cc \
 @LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.cc \
 @LINUX_HOST_TRUE@	src/common/linux/safe_readlink.cc
 
@@ -1424,6 +1431,7 @@ TESTS_ENVIRONMENT =
 @LINUX_HOST_TRUE@	src/common/linux/elfutils.o \
 @LINUX_HOST_TRUE@	src/common/linux/file_id.o \
 @LINUX_HOST_TRUE@	src/common/linux/guid_creator.o \
+@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.o \
 @LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.o \
 @LINUX_HOST_TRUE@	src/common/linux/safe_readlink.o \
 @LINUX_HOST_TRUE@	src/common/string_conversion.o \
@@ -1457,6 +1465,7 @@ TESTS_ENVIRONMENT =
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elf_symbols_to_module.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elfutils.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/file_id.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/safe_readlink.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/tools/linux/dump_syms/dump_syms.cc
@@ -1506,15 +1515,16 @@ TESTS_ENVIRONMENT =
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elf_core_dump_unittest.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elf_symbols_to_module.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elf_symbols_to_module_unittest.cc \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.cc \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file_unittest.cc \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/synth_elf.cc \
-@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/synth_elf_unittest.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/elfutils.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/file_id.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/file_id_unittest.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/linux_libc_support.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/memory_mapped_file_unittest.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/safe_readlink.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/safe_readlink_unittest.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/synth_elf.cc \
+@DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/synth_elf_unittest.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/linux/tests/crash_generator.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/common/tests/file_utils.cc \
 @DISABLE_TOOLS_FALSE@@LINUX_HOST_TRUE@	src/testing/gtest/src/gtest-all.cc \
@@ -2036,6 +2046,7 @@ EXTRA_DIST = \
 	src/common/linux/elf_symbols_to_module.cc \
 	src/common/linux/elf_symbols_to_module.h \
 	src/common/linux/elfutils.cc \
+	src/common/linux/elfutils.h \
 	src/common/linux/file_id.cc \
 	src/common/linux/file_id.h \
 	src/common/linux/guid_creator.cc \
@@ -2284,6 +2295,9 @@ src/common/linux/file_id.$(OBJEXT): src/common/linux/$(am__dirstamp) \
 src/common/linux/guid_creator.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/linux_libc_support.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
 src/common/linux/memory_mapped_file.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
@@ -2654,18 +2668,6 @@ src/common/linux/src_common_dumper_unittest-elf_symbols_to_module.$(OBJEXT):  \
 src/common/linux/src_common_dumper_unittest-elf_symbols_to_module_unittest.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
-src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT):  \
-	src/common/linux/$(am__dirstamp) \
-	src/common/linux/$(DEPDIR)/$(am__dirstamp)
-src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT):  \
-	src/common/linux/$(am__dirstamp) \
-	src/common/linux/$(DEPDIR)/$(am__dirstamp)
-src/common/linux/src_common_dumper_unittest-synth_elf.$(OBJEXT):  \
-	src/common/linux/$(am__dirstamp) \
-	src/common/linux/$(DEPDIR)/$(am__dirstamp)
-src/common/linux/src_common_dumper_unittest-synth_elf_unittest.$(OBJEXT):  \
-	src/common/linux/$(am__dirstamp) \
-	src/common/linux/$(DEPDIR)/$(am__dirstamp)
 src/common/linux/src_common_dumper_unittest-elfutils.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
@@ -2675,12 +2677,27 @@ src/common/linux/src_common_dumper_unittest-file_id.$(OBJEXT):  \
 src/common/linux/src_common_dumper_unittest-file_id_unittest.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/src_common_dumper_unittest-linux_libc_support.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
 src/common/linux/src_common_dumper_unittest-safe_readlink.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
 src/common/linux/src_common_dumper_unittest-safe_readlink_unittest.$(OBJEXT):  \
 	src/common/linux/$(am__dirstamp) \
 	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/src_common_dumper_unittest-synth_elf.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
+src/common/linux/src_common_dumper_unittest-synth_elf_unittest.$(OBJEXT):  \
+	src/common/linux/$(am__dirstamp) \
+	src/common/linux/$(DEPDIR)/$(am__dirstamp)
 src/common/linux/tests/src_common_dumper_unittest-crash_generator.$(OBJEXT):  \
 	src/common/linux/tests/$(am__dirstamp) \
 	src/common/linux/tests/$(DEPDIR)/$(am__dirstamp)
@@ -3162,6 +3179,7 @@ mostlyclean-compile:
 	-rm -f src/common/linux/file_id.$(OBJEXT)
 	-rm -f src/common/linux/guid_creator.$(OBJEXT)
 	-rm -f src/common/linux/http_upload.$(OBJEXT)
+	-rm -f src/common/linux/linux_libc_support.$(OBJEXT)
 	-rm -f src/common/linux/memory_mapped_file.$(OBJEXT)
 	-rm -f src/common/linux/safe_readlink.$(OBJEXT)
 	-rm -f src/common/linux/src_client_linux_linux_client_unittest-linux_libc_support_unittest.$(OBJEXT)
@@ -3174,6 +3192,7 @@ mostlyclean-compile:
 	-rm -f src/common/linux/src_common_dumper_unittest-elfutils.$(OBJEXT)
 	-rm -f src/common/linux/src_common_dumper_unittest-file_id.$(OBJEXT)
 	-rm -f src/common/linux/src_common_dumper_unittest-file_id_unittest.$(OBJEXT)
+	-rm -f src/common/linux/src_common_dumper_unittest-linux_libc_support.$(OBJEXT)
 	-rm -f src/common/linux/src_common_dumper_unittest-memory_mapped_file.$(OBJEXT)
 	-rm -f src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.$(OBJEXT)
 	-rm -f src/common/linux/src_common_dumper_unittest-safe_readlink.$(OBJEXT)
@@ -3415,6 +3434,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/file_id.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/guid_creator.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/http_upload.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/linux_libc_support.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/memory_mapped_file.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/safe_readlink.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_client_linux_linux_client_unittest-linux_libc_support_unittest.Po@am__quote@
@@ -3427,6 +3447,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-elfutils.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-file_id.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-file_id_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-linux_libc_support.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file_unittest.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/common/linux/$(DEPDIR)/src_common_dumper_unittest-safe_readlink.Po@am__quote@
@@ -4286,62 +4307,6 @@ src/common/linux/src_common_dumper_unittest-elf_symbols_to_module_unittest.obj:
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-elf_symbols_to_module_unittest.obj `if test -f 'src/common/linux/elf_symbols_to_module_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/elf_symbols_to_module_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/elf_symbols_to_module_unittest.cc'; fi`
 
-src/common/linux/src_common_dumper_unittest-memory_mapped_file.o: src/common/linux/memory_mapped_file.cc
-@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-memory_mapped_file.o -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file.Tpo -c -o src/common/linux/src_common_dumper_unittest-memory_mapped_file.o `test -f 'src/common/linux/memory_mapped_file.cc' || echo '$(srcdir)/'`src/common/linux/memory_mapped_file.cc
-@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file.Po
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/memory_mapped_file.cc' object='src/common/linux/src_common_dumper_unittest-memory_mapped_file.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-memory_mapped_file.o `test -f 'src/common/linux/memory_mapped_file.cc' || echo '$(srcdir)/'`src/common/linux/memory_mapped_file.cc
-
-src/common/linux/src_common_dumper_unittest-memory_mapped_file.obj: src/common/linux/memory_mapped_file.cc
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-
 src/common/linux/src_common_dumper_unittest-elfutils.o: src/common/linux/elfutils.cc
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 @am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-elfutils.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-elfutils.Po
@@ -4384,6 +4349,48 @@ src/common/linux/src_common_dumper_unittest-file_id_unittest.obj: src/common/lin
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+src/common/linux/src_common_dumper_unittest-linux_libc_support.o: src/common/linux/linux_libc_support.cc
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+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.obj -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file_unittest.Tpo -c -o src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.obj `if test -f 'src/common/linux/memory_mapped_file_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/memory_mapped_file_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/memory_mapped_file_unittest.cc'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file_unittest.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-memory_mapped_file_unittest.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/memory_mapped_file_unittest.cc' object='src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-memory_mapped_file_unittest.obj `if test -f 'src/common/linux/memory_mapped_file_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/memory_mapped_file_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/memory_mapped_file_unittest.cc'; fi`
+
 src/common/linux/src_common_dumper_unittest-safe_readlink.o: src/common/linux/safe_readlink.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-safe_readlink.o -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-safe_readlink.Tpo -c -o src/common/linux/src_common_dumper_unittest-safe_readlink.o `test -f 'src/common/linux/safe_readlink.cc' || echo '$(srcdir)/'`src/common/linux/safe_readlink.cc
 @am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-safe_readlink.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-safe_readlink.Po
@@ -4412,6 +4419,34 @@ src/common/linux/src_common_dumper_unittest-safe_readlink_unittest.obj: src/comm
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-safe_readlink_unittest.obj `if test -f 'src/common/linux/safe_readlink_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/safe_readlink_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/safe_readlink_unittest.cc'; fi`
 
+src/common/linux/src_common_dumper_unittest-synth_elf.o: src/common/linux/synth_elf.cc
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-synth_elf.o -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Tpo -c -o src/common/linux/src_common_dumper_unittest-synth_elf.o `test -f 'src/common/linux/synth_elf.cc' || echo '$(srcdir)/'`src/common/linux/synth_elf.cc
+@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/synth_elf.cc' object='src/common/linux/src_common_dumper_unittest-synth_elf.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-synth_elf.o `test -f 'src/common/linux/synth_elf.cc' || echo '$(srcdir)/'`src/common/linux/synth_elf.cc
+
+src/common/linux/src_common_dumper_unittest-synth_elf.obj: src/common/linux/synth_elf.cc
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-synth_elf.obj -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Tpo -c -o src/common/linux/src_common_dumper_unittest-synth_elf.obj `if test -f 'src/common/linux/synth_elf.cc'; then $(CYGPATH_W) 'src/common/linux/synth_elf.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/synth_elf.cc'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/synth_elf.cc' object='src/common/linux/src_common_dumper_unittest-synth_elf.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-synth_elf.obj `if test -f 'src/common/linux/synth_elf.cc'; then $(CYGPATH_W) 'src/common/linux/synth_elf.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/synth_elf.cc'; fi`
+
+src/common/linux/src_common_dumper_unittest-synth_elf_unittest.o: src/common/linux/synth_elf_unittest.cc
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-synth_elf_unittest.o -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Tpo -c -o src/common/linux/src_common_dumper_unittest-synth_elf_unittest.o `test -f 'src/common/linux/synth_elf_unittest.cc' || echo '$(srcdir)/'`src/common/linux/synth_elf_unittest.cc
+@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/synth_elf_unittest.cc' object='src/common/linux/src_common_dumper_unittest-synth_elf_unittest.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-synth_elf_unittest.o `test -f 'src/common/linux/synth_elf_unittest.cc' || echo '$(srcdir)/'`src/common/linux/synth_elf_unittest.cc
+
+src/common/linux/src_common_dumper_unittest-synth_elf_unittest.obj: src/common/linux/synth_elf_unittest.cc
+@am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/src_common_dumper_unittest-synth_elf_unittest.obj -MD -MP -MF src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Tpo -c -o src/common/linux/src_common_dumper_unittest-synth_elf_unittest.obj `if test -f 'src/common/linux/synth_elf_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/synth_elf_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/synth_elf_unittest.cc'; fi`
+@am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Tpo src/common/linux/$(DEPDIR)/src_common_dumper_unittest-synth_elf_unittest.Po
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	source='src/common/linux/synth_elf_unittest.cc' object='src/common/linux/src_common_dumper_unittest-synth_elf_unittest.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCXX_FALSE@	DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCXX_FALSE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -c -o src/common/linux/src_common_dumper_unittest-synth_elf_unittest.obj `if test -f 'src/common/linux/synth_elf_unittest.cc'; then $(CYGPATH_W) 'src/common/linux/synth_elf_unittest.cc'; else $(CYGPATH_W) '$(srcdir)/src/common/linux/synth_elf_unittest.cc'; fi`
+
 src/common/linux/tests/src_common_dumper_unittest-crash_generator.o: src/common/linux/tests/crash_generator.cc
 @am__fastdepCXX_TRUE@	$(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(src_common_dumper_unittest_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) -MT src/common/linux/tests/src_common_dumper_unittest-crash_generator.o -MD -MP -MF src/common/linux/tests/$(DEPDIR)/src_common_dumper_unittest-crash_generator.Tpo -c -o src/common/linux/tests/src_common_dumper_unittest-crash_generator.o `test -f 'src/common/linux/tests/crash_generator.cc' || echo '$(srcdir)/'`src/common/linux/tests/crash_generator.cc
 @am__fastdepCXX_TRUE@	$(am__mv) src/common/linux/tests/$(DEPDIR)/src_common_dumper_unittest-crash_generator.Tpo src/common/linux/tests/$(DEPDIR)/src_common_dumper_unittest-crash_generator.Po

android/google_breakpad/Android.mk

@@ -81,10 +81,13 @@ LOCAL_SRC_FILES := \
     src/client/linux/minidump_writer/linux_dumper.cc \
     src/client/linux/minidump_writer/linux_ptrace_dumper.cc \
     src/client/linux/minidump_writer/minidump_writer.cc \
-    src/client/minidump_file_writer.cc src/common/convert_UTF.c \
+    src/client/minidump_file_writer.cc \
+    src/common/convert_UTF.c \
     src/common/md5.cc src/common/string_conversion.cc \
     src/common/linux/elfutils.cc \
-    src/common/linux/file_id.cc src/common/linux/guid_creator.cc \
+    src/common/linux/file_id.cc \
+    src/common/linux/guid_creator.cc \
+    src/common/linux/linux_libc_support.cc \
     src/common/linux/memory_mapped_file.cc \
     src/common/linux/safe_readlink.cc
 

src/client/linux/minidump_writer/directory_reader.h

@@ -37,6 +37,7 @@
 #include <errno.h>
 #include <string.h>
 
+#include "common/linux/linux_libc_support.h"
 #include "third_party/lss/linux_syscall_support.h"
 
 namespace google_breakpad {
@@ -90,7 +91,7 @@ class DirectoryReader {
       reinterpret_cast<kernel_dirent*>(buf_);
 
     buf_used_ -= dent->d_reclen;
-    memmove(buf_, buf_ + dent->d_reclen, buf_used_);
+    my_memmove(buf_, buf_ + dent->d_reclen, buf_used_);
   }
 
  private:

src/client/linux/minidump_writer/line_reader.h

@@ -34,6 +34,7 @@
 #include <assert.h>
 #include <string.h>
 
+#include "common/linux/linux_libc_support.h"
 #include "third_party/lss/linux_syscall_support.h"
 
 namespace google_breakpad {
@@ -114,7 +115,7 @@ class LineReader {
 
     assert(buf_used_ >= len + 1);
     buf_used_ -= len + 1;
-    memmove(buf_, buf_ + len + 1, buf_used_);
+    my_memmove(buf_, buf_ + len + 1, buf_used_);
   }
 
  private:

src/client/linux/minidump_writer/linux_dumper.cc

@@ -113,7 +113,7 @@ LinuxDumper::ElfFileIdentifierForMapping(const MappingInfo& mapping,
   assert(filename_len < NAME_MAX);
   if (filename_len >= NAME_MAX)
     return false;
-  memcpy(filename, mapping.name, filename_len);
+  my_memcpy(filename, mapping.name, filename_len);
   filename[filename_len] = '\0';
   bool filename_modified = HandleDeletedFileInMapping(filename);
 
@@ -151,11 +151,11 @@ LinuxDumper::FindBeginningOfLinuxGateSharedLibrary(pid_t pid) const {
                   sizeof(elf_aux_entry)) == sizeof(elf_aux_entry) &&
          one_aux_entry.a_type != AT_NULL) {
     if (one_aux_entry.a_type == AT_SYSINFO_EHDR) {
-      close(fd);
+      sys_close(fd);
       return reinterpret_cast<void*>(one_aux_entry.a_un.a_val);
     }
   }
-  close(fd);
+  sys_close(fd);
   return NULL;
 }
 
@@ -177,11 +177,11 @@ LinuxDumper::FindEntryPoint(pid_t pid) const {
                   sizeof(elf_aux_entry)) == sizeof(elf_aux_entry) &&
          one_aux_entry.a_type != AT_NULL) {
     if (one_aux_entry.a_type == AT_ENTRY) {
-      close(fd);
+      sys_close(fd);
       return reinterpret_cast<void*>(one_aux_entry.a_un.a_val);
     }
   }
-  close(fd);
+  sys_close(fd);
   return NULL;
 }
 
@@ -240,14 +240,14 @@ bool LinuxDumper::EnumerateMappings() {
             }
           }
           MappingInfo* const module = new(allocator_) MappingInfo;
-          memset(module, 0, sizeof(MappingInfo));
+          my_memset(module, 0, sizeof(MappingInfo));
           module->start_addr = start_addr;
           module->size = end_addr - start_addr;
           module->offset = offset;
           if (name != NULL) {
             const unsigned l = my_strlen(name);
             if (l < sizeof(module->name))
-              memcpy(module->name, name, l);
+              my_memcpy(module->name, name, l);
           }
           // If this is the entry-point mapping, and it's not already the
           // first one, then we need to make it be first.  This is because
@@ -351,7 +351,7 @@ bool LinuxDumper::HandleDeletedFileInMapping(char* path) const {
     return false;
   }
 
-  memcpy(path, exe_link, NAME_MAX);
+  my_memcpy(path, exe_link, NAME_MAX);
   return true;
 }
 

src/client/linux/minidump_writer/linux_ptrace_dumper.cc

@@ -117,10 +117,10 @@ bool LinuxPtraceDumper::BuildProcPath(char* path, pid_t pid,
   if (total_length >= NAME_MAX)
     return false;
 
-  memcpy(path, "/proc/", 6);
+  my_memcpy(path, "/proc/", 6);
   my_itos(path + 6, pid, pid_len);
   path[6 + pid_len] = '/';
-  memcpy(path + 6 + pid_len + 1, node, node_len);
+  my_memcpy(path + 6 + pid_len + 1, node, node_len);
   path[total_length] = '\0';
   return true;
 }
@@ -138,7 +138,7 @@ void LinuxPtraceDumper::CopyFromProcess(void* dest, pid_t child,
     if (sys_ptrace(PTRACE_PEEKDATA, child, remote + done, &tmp) == -1) {
       tmp = 0;
     }
-    memcpy(local + done, &tmp, l);
+    my_memcpy(local + done, &tmp, l);
     done += l;
   }
 }
@@ -212,11 +212,11 @@ bool LinuxPtraceDumper::GetThreadInfoByIndex(size_t index, ThreadInfo* info) {
 
   const uint8_t* stack_pointer;
 #if defined(__i386)
-  memcpy(&stack_pointer, &info->regs.esp, sizeof(info->regs.esp));
+  my_memcpy(&stack_pointer, &info->regs.esp, sizeof(info->regs.esp));
 #elif defined(__x86_64)
-  memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp));
+  my_memcpy(&stack_pointer, &info->regs.rsp, sizeof(info->regs.rsp));
 #elif defined(__ARM_EABI__)
-  memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp));
+  my_memcpy(&stack_pointer, &info->regs.ARM_sp, sizeof(info->regs.ARM_sp));
 #else
 #error "This code hasn't been ported to your platform yet."
 #endif
@@ -237,8 +237,8 @@ bool LinuxPtraceDumper::ThreadsSuspend() {
       // If the thread either disappeared before we could attach to it, or if
       // it was part of the seccomp sandbox's trusted code, it is OK to
       // silently drop it from the minidump.
-      memmove(&threads_[i], &threads_[i+1],
+      my_memmove(&threads_[i], &threads_[i+1],
-              (threads_.size() - i - 1) * sizeof(threads_[i]));
+                 (threads_.size() - i - 1) * sizeof(threads_[i]));
       threads_.resize(threads_.size() - 1);
       --i;
     }

src/client/linux/minidump_writer/minidump_writer.cc

@@ -91,14 +91,14 @@ typedef MDRawContextX86 RawContextCPU;
 //   out: memory location to write to
 //   v: value to write.
 static void U16(void* out, uint16_t v) {
-  memcpy(out, &v, sizeof(v));
+  my_memcpy(out, &v, sizeof(v));
 }
 
 // Write a uint32_t to memory
 //   out: memory location to write to
 //   v: value to write.
 static void U32(void* out, uint32_t v) {
-  memcpy(out, &v, sizeof(v));
+  my_memcpy(out, &v, sizeof(v));
 }
 
 // Juggle an x86 user_(fp|fpx|)regs_struct into minidump format
@@ -145,7 +145,7 @@ static void CPUFillFromThreadInfo(MDRawContextX86 *out,
   out->float_save.data_selector = info.fpregs.fos;
 
   // 8 registers * 10 bytes per register.
-  memcpy(out->float_save.register_area, info.fpregs.st_space, 10 * 8);
+  my_memcpy(out->float_save.register_area, info.fpregs.st_space, 10 * 8);
 
   // This matches the Intel fpsave format.
   U16(out->extended_registers + 0, info.fpregs.cwd);
@@ -158,8 +158,8 @@ static void CPUFillFromThreadInfo(MDRawContextX86 *out,
   U16(out->extended_registers + 20, info.fpregs.fos);
   U32(out->extended_registers + 24, info.fpxregs.mxcsr);
 
-  memcpy(out->extended_registers + 32, &info.fpxregs.st_space, 128);
+  my_memcpy(out->extended_registers + 32, &info.fpxregs.st_space, 128);
-  memcpy(out->extended_registers + 160, &info.fpxregs.xmm_space, 128);
+  my_memcpy(out->extended_registers + 160, &info.fpxregs.xmm_space, 128);
 }
 
 // Juggle an x86 ucontext into minidump format
@@ -200,7 +200,7 @@ static void CPUFillFromUContext(MDRawContextX86 *out, const ucontext *uc,
   out->float_save.data_selector = fp->datasel;
 
   // 8 registers * 10 bytes per register.
-  memcpy(out->float_save.register_area, fp->_st, 10 * 8);
+  my_memcpy(out->float_save.register_area, fp->_st, 10 * 8);
 }
 
 #elif defined(__x86_64)
@@ -261,8 +261,8 @@ static void CPUFillFromThreadInfo(MDRawContextAMD64 *out,
   out->flt_save.data_selector = 0;   // We don't have this.
   out->flt_save.mx_csr = info.fpregs.mxcsr;
   out->flt_save.mx_csr_mask = info.fpregs.mxcr_mask;
-  memcpy(&out->flt_save.float_registers, &info.fpregs.st_space, 8 * 16);
+  my_memcpy(&out->flt_save.float_registers, &info.fpregs.st_space, 8 * 16);
-  memcpy(&out->flt_save.xmm_registers, &info.fpregs.xmm_space, 16 * 16);
+  my_memcpy(&out->flt_save.xmm_registers, &info.fpregs.xmm_space, 16 * 16);
 }
 
 static void CPUFillFromUContext(MDRawContextAMD64 *out, const ucontext *uc,
@@ -308,8 +308,8 @@ static void CPUFillFromUContext(MDRawContextAMD64 *out, const ucontext *uc,
   out->flt_save.data_selector = 0;  // We don't have this.
   out->flt_save.mx_csr = fpregs->mxcsr;
   out->flt_save.mx_csr_mask = fpregs->mxcr_mask;
-  memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16);
+  my_memcpy(&out->flt_save.float_registers, &fpregs->_st, 8 * 16);
-  memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16);
+  my_memcpy(&out->flt_save.xmm_registers, &fpregs->_xmm, 16 * 16);
 }
 
 #elif defined(__ARMEL__)
@@ -327,8 +327,8 @@ static void CPUFillFromThreadInfo(MDRawContextARM *out,
   out->float_save.fpscr = info.fpregs.fpsr |
     (static_cast<u_int64_t>(info.fpregs.fpcr) << 32);
   // TODO: sort this out, actually collect floating point registers
-  memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
+  my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
-  memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
+  my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
 #endif
 }
 
@@ -358,8 +358,8 @@ static void CPUFillFromUContext(MDRawContextARM *out, const ucontext *uc,
 
   // TODO: fix this after fixing ExceptionHandler
   out->float_save.fpscr = 0;
-  memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
+  my_memset(&out->float_save.regs, 0, sizeof(out->float_save.regs));
-  memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
+  my_memset(&out->float_save.extra, 0, sizeof(out->float_save.extra));
 }
 
 #else
@@ -439,7 +439,7 @@ class MinidumpWriter {
       return false;
     if (!dir.AllocateArray(kNumWriters))
       return false;
-    memset(header.get(), 0, sizeof(MDRawHeader));
+    my_memset(header.get(), 0, sizeof(MDRawHeader));
 
     header.get()->signature = MD_HEADER_SIGNATURE;
     header.get()->version = MD_HEADER_VERSION;
@@ -537,7 +537,7 @@ class MinidumpWriter {
       uint64_t old_top = top;
       top = bp;
       u_int8_t* bp_addr = stack_copy + bp - thread.stack.start_of_memory_range;
-      memcpy(&bp, bp_addr, sizeof(bp));
+      my_memcpy(&bp, bp_addr, sizeof(bp));
       if (bp == 0xDEADBEEFDEADBEEFull) {
         struct {
           uint64_t r15;
@@ -565,9 +565,9 @@ class MinidumpWriter {
             thread.stack.start_of_memory_range+thread.stack.memory.data_size) {
           break;
         }
-        memcpy(&seccomp_stackframe,
+        my_memcpy(&seccomp_stackframe,
-               bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef),
+                  bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef),
-               sizeof(seccomp_stackframe));
+                  sizeof(seccomp_stackframe));
         cpu->rbx = seccomp_stackframe.rbx;
         cpu->rcx = seccomp_stackframe.rcx;
         cpu->rdx = seccomp_stackframe.rdx;
@@ -600,7 +600,7 @@ class MinidumpWriter {
       uint32_t old_top = top;
       top = bp;
       u_int8_t* bp_addr = stack_copy + bp - thread.stack.start_of_memory_range;
-      memcpy(&bp, bp_addr, sizeof(bp));
+      my_memcpy(&bp, bp_addr, sizeof(bp));
       if (bp == 0xDEADBEEFu) {
         struct {
           uint32_t edi;
@@ -619,9 +619,9 @@ class MinidumpWriter {
             thread.stack.start_of_memory_range+thread.stack.memory.data_size) {
           break;
         }
-        memcpy(&seccomp_stackframe,
+        my_memcpy(&seccomp_stackframe,
-               bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef),
+                  bp_addr - offsetof(typeof(seccomp_stackframe), deadbeef),
-               sizeof(seccomp_stackframe));
+                  sizeof(seccomp_stackframe));
         cpu->ebx = seccomp_stackframe.ebx;
         cpu->ecx = seccomp_stackframe.ecx;
         cpu->edx = seccomp_stackframe.edx;
@@ -865,13 +865,13 @@ class MinidumpWriter {
       return false;
 
     const uint32_t cv_signature = MD_CVINFOPDB70_SIGNATURE;
-    memcpy(cv_ptr, &cv_signature, sizeof(cv_signature));
+    my_memcpy(cv_ptr, &cv_signature, sizeof(cv_signature));
     cv_ptr += sizeof(cv_signature);
     uint8_t* signature = cv_ptr;
     cv_ptr += sizeof(MDGUID);
     if (identifier) {
       // GUID was provided by caller.
-      memcpy(signature, identifier, sizeof(MDGUID));
+      my_memcpy(signature, identifier, sizeof(MDGUID));
     } else {
       dumper_->ElfFileIdentifierForMapping(mapping, member,
                                            mapping_id, signature);
@@ -880,7 +880,7 @@ class MinidumpWriter {
     cv_ptr += sizeof(uint32_t);
 
     // Write pdb_file_name
-    memcpy(cv_ptr, filename_ptr, filename_len + 1);
+    my_memcpy(cv_ptr, filename_ptr, filename_len + 1);
     cv.Copy(cv_buf, MDCVInfoPDB70_minsize + filename_len + 1);
 
     mod.cv_record = cv.location();
@@ -1110,8 +1110,8 @@ class MinidumpWriter {
           CpuInfoEntry* entry = &cpu_info_table[i];
           if (entry->found && i)
             continue;
-          if (!strncmp(line, entry->info_name, strlen(entry->info_name))) {
+          if (!my_strncmp(line, entry->info_name, strlen(entry->info_name))) {
-            const char* value = strchr(line, ':');
+            const char* value = my_strchr(line, ':');
             if (!value)
               continue;
 
@@ -1119,33 +1119,35 @@ class MinidumpWriter {
             // line. i.e. we matched "model name" instead of "model".
             // check and make sure there is only spaces between the prefix and
             // the colon.
-            const char* space_ptr = line + strlen(entry->info_name);
+            const char* space_ptr = line + my_strlen(entry->info_name);
             for (; space_ptr < value; space_ptr++) {
-              if (!isspace(*space_ptr)) {
+              if (!my_isspace(*space_ptr)) {
                 break;
               }
             }
             if (space_ptr != value)
               continue;
 
-            sscanf(++value, " %d", &(entry->value));
+            uintptr_t val;
+            my_read_decimal_ptr(&val, ++value);
+            entry->value = static_cast<int>(val);
             entry->found = true;
           }
         }
 
         // special case for vendor_id
-        if (!strncmp(line, vendor_id_name, vendor_id_name_length)) {
+        if (!my_strncmp(line, vendor_id_name, vendor_id_name_length)) {
-          const char* value = strchr(line, ':');
+          const char* value = my_strchr(line, ':');
           if (!value)
             goto popline;
 
           // skip ':" and all the spaces that follows
           do {
             value++;
-          } while (isspace(*value));
+          } while (my_isspace(*value));
 
           if (*value) {
-            size_t length = strlen(value);
+            size_t length = my_strlen(value);
             if (length == 0)
               goto popline;
             // we don't want the trailing newline
@@ -1153,7 +1155,7 @@ class MinidumpWriter {
               length--;
             // ensure we have space for the value
             if (length < sizeof(vendor_id))
-              strncpy(vendor_id, value, length);
+              my_strlcpy(vendor_id, value, length);
           }
         }
 
@@ -1180,8 +1182,8 @@ class MinidumpWriter {
                                      cpu_info_table[2].value;
 
     if (vendor_id[0] != '\0') {
-      memcpy(sys_info->cpu.x86_cpu_info.vendor_id, vendor_id,
+      my_memcpy(sys_info->cpu.x86_cpu_info.vendor_id, vendor_id,
-             sizeof(sys_info->cpu.x86_cpu_info.vendor_id));
+                sizeof(sys_info->cpu.x86_cpu_info.vendor_id));
     }
     return true;
   }
@@ -1270,9 +1272,9 @@ class MinidumpWriter {
     };
     bool first_item = true;
     for (const char** cur_info = info_table; *cur_info; cur_info++) {
-      static const char* separator = " ";
+      static const char separator[] = " ";
-      size_t separator_len = strlen(separator);
+      size_t separator_len = sizeof(separator) - 1;
-      size_t info_len = strlen(*cur_info);
+      size_t info_len = my_strlen(*cur_info);
       if (info_len == 0)
         continue;
 
@@ -1280,12 +1282,12 @@ class MinidumpWriter {
         break;
 
       if (!first_item) {
-        strcat(buf, separator);
+        my_strlcat(buf, separator, sizeof(buf));
         space_left -= separator_len;
       }
 
       first_item = false;
-      strcat(buf, *cur_info);
+      my_strlcat(buf, *cur_info, sizeof(buf));
       space_left -= info_len;
     }
 
@@ -1301,8 +1303,8 @@ class MinidumpWriter {
     if (fingerprint_len > 0 && fingerprint_len < PROP_VALUE_MAX) {
       const char* separator = " ";
       if (!first_item)
-        strlcat(buf, separator, buf_len);
+        my_strlcat(buf, separator, sizeof(buf));
-      strlcat(buf, fingerprint, buf_len);
+      my_strlcat(buf, fingerprint, sizeof(buf));
     }
 #endif
 

src/common/linux/linux_libc_support.h

@@ -40,83 +40,21 @@
 
 extern "C" {
 
-static inline size_t
+extern size_t my_strlen(const char* s);
-my_strlen(const char* s) {
-  size_t len = 0;
-  while (*s++) len++;
-  return len;
-}
 
-static inline int
+extern int my_strcmp(const char* a, const char* b);
-my_strcmp(const char* a, const char* b) {
-  for (;;) {
-    if (*a < *b)
-      return -1;
-    else if (*a > *b)
-      return 1;
-    else if (*a == 0)
-      return 0;
-    a++;
-    b++;
-  }
-}
 
-static inline int
+extern int my_strncmp(const char* a, const char* b, size_t len);
-my_strncmp(const char* a, const char* b, size_t len) {
-  for (size_t i = 0; i < len; ++i) {
-    if (*a < *b)
-      return -1;
-    else if (*a > *b)
-      return 1;
-    else if (*a == 0)
-      return 0;
-    a++;
-    b++;
-  }
-
-  return 0;
-}
 
 // Parse a non-negative integer.
 //   result: (output) the resulting non-negative integer
 //   s: a NUL terminated string
 // Return true iff successful.
-static inline bool
+extern bool my_strtoui(int* result, const char* s);
-my_strtoui(int* result, const char* s) {
-  if (*s == 0)
-    return false;
-  int r = 0;
-  for (;; s++) {
-    if (*s == 0)
-      break;
-    const int old_r = r;
-    r *= 10;
-    if (*s < '0' || *s > '9')
-      return false;
-    r += *s - '0';
-    if (r < old_r)
-      return false;
-  }
-
-  *result = r;
-  return true;
-}
 
 // Return the length of the given, non-negative integer when expressed in base
 // 10.
-static inline unsigned
+extern unsigned my_int_len(intmax_t i);
-my_int_len(intmax_t i) {
-  if (!i)
-    return 1;
-
-  int len = 0;
-  while (i) {
-    len++;
-    i /= 10;
-  }
-
-  return len;
-}
 
 // Convert a non-negative integer to a string
 //   output: (output) the resulting string is written here. This buffer must be
@@ -124,54 +62,33 @@ my_int_len(intmax_t i) {
 //     required length.
 //   i: the non-negative integer to serialise.
 //   i_len: the length of the integer in base 10 (see |my_int_len|).
-static inline void
+extern void my_itos(char* output, intmax_t i, unsigned i_len);
-my_itos(char* output, intmax_t i, unsigned i_len) {
-  for (unsigned index = i_len; index; --index, i /= 10)
-    output[index - 1] = '0' + (i % 10);
-}
 
-static inline const char*
+extern const char* my_strchr(const char* haystack, char needle);
-my_strchr(const char* haystack, char needle) {
+
-  while (*haystack && *haystack != needle)
+extern const char* my_strrchr(const char* haystack, char needle);
-    haystack++;
-  if (*haystack == needle)
-    return haystack;
-  return (const char*) 0;
-}
 
 // Read a hex value
 //   result: (output) the resulting value
 //   s: a string
 // Returns a pointer to the first invalid charactor.
-static inline const char*
+extern const char* my_read_hex_ptr(uintptr_t* result, const char* s);
-my_read_hex_ptr(uintptr_t* result, const char* s) {
-  uintptr_t r = 0;
 
-  for (;; ++s) {
+extern const char* my_read_decimal_ptr(uintptr_t* result, const char* s);
-    if (*s >= '0' && *s <= '9') {
-      r <<= 4;
-      r += *s - '0';
-    } else if (*s >= 'a' && *s <= 'f') {
-      r <<= 4;
-      r += (*s - 'a') + 10;
-    } else if (*s >= 'A' && *s <= 'F') {
-      r <<= 4;
-      r += (*s - 'A') + 10;
-    } else {
-      break;
-    }
-  }
 
-  *result = r;
+extern void my_memset(void* ip, char c, size_t len);
-  return s;
-}
 
-static inline void
+// The following are considered safe to use in a compromised environment.
-my_memset(void* ip, char c, size_t len) {
+// Besides, this gives the compiler an opportunity to optimize their calls.
-  char* p = (char *) ip;
+#define my_memcpy  memcpy
-  while (len--)
+#define my_memmove memmove
-    *p++ = c;
+#define my_memcmp  memcmp
-}
+
+extern size_t my_strlcpy(char* s1, const char* s2, size_t len);
+
+extern size_t my_strlcat(char* s1, const char* s2, size_t len);
+
+extern int my_isspace(int ch);
 
 }  // extern "C"
 

src/common/linux/linux_libc_support_unittest.cc

@@ -129,6 +129,23 @@ TEST(LinuxLibcSupportTest, strchr) {
   ASSERT_TRUE(my_strchr("abc", 'a'));
   ASSERT_TRUE(my_strchr("bcda", 'a'));
   ASSERT_TRUE(my_strchr("sdfasdf", 'a'));
+
+  static const char abc3[] = "abcabcabc";
+  ASSERT_EQ(abc3, my_strchr(abc3, 'a'));
+}
+
+TEST(LinuxLibcSupportTest, strrchr) {
+  ASSERT_EQ(NULL, my_strrchr("abc", 'd'));
+  ASSERT_EQ(NULL, my_strrchr("", 'd'));
+  ASSERT_EQ(NULL, my_strrchr("efghi", 'd'));
+
+  ASSERT_TRUE(my_strrchr("a", 'a'));
+  ASSERT_TRUE(my_strrchr("abc", 'a'));
+  ASSERT_TRUE(my_strrchr("bcda", 'a'));
+  ASSERT_TRUE(my_strrchr("sdfasdf", 'a'));
+
+  static const char abc3[] = "abcabcabc";
+  ASSERT_EQ(abc3 + 6, my_strrchr(abc3, 'a'));
 }
 
 TEST(LinuxLibcSupportTest, read_hex_ptr) {
@@ -155,3 +172,24 @@ TEST(LinuxLibcSupportTest, read_hex_ptr) {
   ASSERT_EQ(result, 0x123a);
   ASSERT_EQ(*last, '-');
 }
+
+TEST(LinuxLibcSupportTest, read_decimal_ptr) {
+  uintptr_t result;
+  const char* last;
+
+  last = my_read_decimal_ptr(&result, "0");
+  ASSERT_EQ(result, 0);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_decimal_ptr(&result, "0123");
+  ASSERT_EQ(result, 123);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_decimal_ptr(&result, "1234");
+  ASSERT_EQ(result, 1234);
+  ASSERT_EQ(*last, 0);
+
+  last = my_read_decimal_ptr(&result, "01234-");
+  ASSERT_EQ(result, 1234);
+  ASSERT_EQ(*last, '-');
+}