| Commit message (Collapse) | Author | Age | Files | Lines |
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The DWARF data for Swift code has a top-level DW_TAG_module DIE as the
child of the DW_TAG_compile_unit DIE and the parent of the
DW_TAG_subprogram DIEs that dump_syms uses to locate functions.
dump_syms needs to process DW_TAG_module DIEs as introducing nested
scopes to make it work with Swift.
This also reworks demangling to be language-specific, so that the C++
demangler isn't invoked when processing Swift code. The DWARF data for
Swift code presents its mangled names in the same form as used for C++
(DW_AT_MIPS_linkage_name or DW_AT_linkage_name) but the mangling is
Swift-specific (beginning with _T instead of _Z). There is no
programmatic interface to a Swift name demangler as an analogue to C++'s
__cxa_demangle(), so mangled Swift names are exposed as-is. Xcode's
"xcrun swift-demangle" can be used to post-process these mangled Swift
names on macOS.
Support for mangled names presented in a DW_AT_linkage_name attribute,
as used by DWARF 4, is added. This supersedes the earlier use of
DW_AT_MIPS_linkage_name.
BUG=google-breakpad:702,google-breakpad:715
R=ted.mielczarek@gmail.com
Review URL: https://codereview.chromium.org/2147523005 .
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Newer gcc versions default to -Werror=narrowing when using newer C++
standards (which we do). This causes issues when we try to stuff a
value like 0xea into a char -- the value is out of range for signed
char bytes. That's when gcc throws an error:
.../bytereader_unittest.cc: In member function 'virtual void Reader_DW_EH_PE_absptr4_Test::TestBody()':
.../bytereader_unittest.cc:400:55: error: narrowing conversion of '234' from 'int' to 'char' inside { } [-Wnarrowing]
BUG=chromium:579384
TEST=`make check` passes
R=mark@chromium.org
Review URL: https://codereview.chromium.org/1605153004 .
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problems.
- The ordering of keys in stl containers cannot change. Make the relevant
members const to guarantee this assumption.
- Add handling and logging for demangle errors.
- Fix a potential double-delete bug if a function passed to AddFunction() is
already present.
BUG=chromium:449214
R=mark@chromium.org
Review URL: https://breakpad.appspot.com/10704002/
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1415 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: https://breakpad.appspot.com/572002
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1164 4c0a9323-5329-0410-9bdc-e9ce6186880e
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dump_syms.
This saves a lot of memory for dump_syms.
Review URL: https://breakpad.appspot.com/565002
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1163 4c0a9323-5329-0410-9bdc-e9ce6186880e
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instead of relative
A=Ryan Sleevi <rsleevi@chromium.org> R=mark,ted at https://breakpad.appspot.com/385001/
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1106 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Patch by Rafael Espindola <rafael.espindola@gmail.com>
Review URL: http://breakpad.appspot.com/502003/
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1091 4c0a9323-5329-0410-9bdc-e9ce6186880e
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::string class instead of std::string. For more details take a look at common/using_std_string.h
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@974 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Trivial changes; committing for post-facto review.
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@890 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch makes sure dump_syms behaves properly when presented with
malformed DWARF data that provides no name for a function. We print a
warning message to stderr, and subsitute "<name omitted>" for the empty
string, so that the "FUNC" record written to the symbol file for the
function is still well-formed. (We may have line number data covering the
function, so it would be a shame to omit the function altogether.)
Unit tests included.
a=jimblandy, r=ted.mielczarek
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@779 4c0a9323-5329-0410-9bdc-e9ce6186880e
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The #inclusions of <elf.h> and <link.h> were inherited from older code, but
the current code doesn't need anything from them, so they should be
removed.
A=jimb R=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@613 4c0a9323-5329-0410-9bdc-e9ce6186880e
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The Linux symbol dumper's classes are reasonably portable, and should be
usable for the Mac dumper as well. Move them to src/common, along with
their unit tests. Update #include directives and Makefile.
a=jimblandy, r=nealsid
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@567 4c0a9323-5329-0410-9bdc-e9ce6186880e
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