| Commit message (Collapse) | Author | Age | Files | Lines |
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code identifier. (Currently disabled to give Breakpad users time to update their processor code.)
R=mark at http://breakpad.appspot.com/180001/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@710 4c0a9323-5329-0410-9bdc-e9ce6186880e
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thread to the minidump on OS X.
R=nealsid at http://breakpad.appspot.com/200001/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@699 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: http://breakpad.appspot.com/198001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@689 4c0a9323-5329-0410-9bdc-e9ce6186880e
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instead of using our own copy.
Review URL: http://breakpad.appspot.com/192001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@686 4c0a9323-5329-0410-9bdc-e9ce6186880e
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R=nealsid at http://breakpad.appspot.com/190001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@685 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@682 4c0a9323-5329-0410-9bdc-e9ce6186880e
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R=nealsid at http://breakpad.appspot.com/181001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@678 4c0a9323-5329-0410-9bdc-e9ce6186880e
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native.
BUG=399
TEST=none
Review URL: http://breakpad.appspot.com/178001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@677 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: http://breakpad.appspot.com/162002
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@676 4c0a9323-5329-0410-9bdc-e9ce6186880e
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After the final DIE in a compilation unit, there may be any number of
zero bytes present. This is meant to allow producers to align
compilation unit starting points when necessary.
This patch changes the dwarf2reader::CompilationUnit class to skip
those zero bytes, rather than interpreting them as 'end of children'
markers for DIEs that do not exist. Without this change, the padding
bytes will cause the reader to attempt to pop an offset from an empty
stack, and call EndDIE with a garbage offset.
a=jimblandy, r=mmentovai
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@667 4c0a9323-5329-0410-9bdc-e9ce6186880e
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stack<uint64> would do.
Perhaps there once was some reason one needed the DIE offset stack to
have an unusual lifetime, but there is none now.
a=jimblandy, r=mmentovai
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@666 4c0a9323-5329-0410-9bdc-e9ce6186880e
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The 64-bit cleanups made last month (http://breakpad.appspot.com/133001/show)
introduced unit test suite failures when built for a 32-bit architecture. The
fix for those test suite failures (http://breakpad.appspot.com/140001/show)
introduce build failures on Linux.
a=jimblandy
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@665 4c0a9323-5329-0410-9bdc-e9ce6186880e
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a=dmaclach, r=jimb
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@664 4c0a9323-5329-0410-9bdc-e9ce6186880e
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R=nealsid at http://breakpad.appspot.com/161001/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@661 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@658 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@652 4c0a9323-5329-0410-9bdc-e9ce6186880e
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R=mark at http://breakpad.appspot.com/151001/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@650 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Patch by Markus Gutschke <markus@chromium.org>. R=thestig
Review URL: http://breakpad.appspot.com/150001
Review URL: http://breakpad.appspot.com/155001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@649 4c0a9323-5329-0410-9bdc-e9ce6186880e
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enable OOP dump generation in ExceptionHandler
R=mark at http://breakpad.appspot.com/146001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@646 4c0a9323-5329-0410-9bdc-e9ce6186880e
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R=nealsid at http://breakpad.appspot.com/121002/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@640 4c0a9323-5329-0410-9bdc-e9ce6186880e
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what architecture name is shown in a symbol file's MODULE line, but the Mac
crash_report tool's on_demand_symbol_supplier does. The new Mac dumper
inadvertently used i386. Correct that to make it x86. Temporarily make the
on_demand_symbol_supplier accept symbol files whose architecture is i386.
Also add x86_64 to the set of architectures that the on_demand_symbol_supplier
considers valid.
BUG=none
TEST=none
Review URL: http://breakpad.appspot.com/143001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@638 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@635 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@633 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review: http://breakpad.appspot.com/133001
BUG:none
TEST:Compile on Leopard
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@631 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Fix up some broken mac projects.
Consolidate project settings in xcconfig files.
http://breakpad.appspot.com/130001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@627 4c0a9323-5329-0410-9bdc-e9ce6186880e
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DWARF data.
This patch avoids allocating many copies of identical strings appearing in
debugging information. Without this patch, running dump_syms on Mozilla's
libxul.so (with 173MiB of debugging information) has a peak resident set of
around 450MiB. With this patch, the peak is around 365MiB.
a=jimblandy, r=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@626 4c0a9323-5329-0410-9bdc-e9ce6186880e
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compute file ID
At present, the Linux symbol dumper maps the ELF file into memory to
examine the debugging information it contains, but then also calls
google_breakpad::FileID::ElfFileIdentifier, which maps the ELF file into
memory again. Some of our object files are large; Mozilla's libxul.so is
1.1GiB. Trying to map such files twice can interfere with tools like
valgrind that map themselves into high addresses (in an attempt to stay out
of the way of ordinary programs).
The FileID class has another method, ElfFileIdentifierFromMappedFile, that
operates on an already-loaded image of the file; use that instead.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@625 4c0a9323-5329-0410-9bdc-e9ce6186880e
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debug ELF file.
Review URL: http://breakpad.appspot.com/126001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@624 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: http://breakpad.appspot.com/128001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@623 4c0a9323-5329-0410-9bdc-e9ce6186880e
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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@622 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: http://breakpad.appspot.com/125001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@621 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Review URL: http://breakpad.appspot.com/120001
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@620 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch avoids unnecessary use of the <cfoo> headers in files that don't
actually use the identifiers they declare in the std:: namespace.
It also changes some files to better conform with the "Names and Order of
Includes" rules in the Google C++ Style Guide.
A=jimb R=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@619 4c0a9323-5329-0410-9bdc-e9ce6186880e
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I came across a bunch of comments Neal had made on issue 55011 that I
hadn't addressed. This patch takes care of them.
A=jimb R=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@618 4c0a9323-5329-0410-9bdc-e9ce6186880e
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CallFrameInfo::Rule subclasses.
The subclasses of CallFrameInfo::Rule store the rule currently in
force for recovering a register or computing the canonical frame
address. Their sole responsibility is to accurately convey rules from
the parser, which creates them, to a CallFrameInfo::Handler member
function, which consumes them. So, the types of their data members
should match those of the corresponding arguments of the corresponding
Handler member function.
CallFrameInfo::OffsetRule and CallFrameInfo::ValOffsetRule use an
'int' to store the rule's offset value, but
CallFrameInfo::Handler::OffsetRule and ...::ValOffsetRule expect a
'long'. On ABIs where 'long' is larger than 'int', this can cause
values to be truncated or sign-extended unexpectedly.
This patch changes those members to 'long'.
Fortunately, offsets appearing in real DWARF call frame information
never even come close to the limits of a 32-bit int, so this bug is
unlikely to cause any practical problems.
A=jimb R=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@615 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch rewrites the Mac symbol dumper to use the same set of classes
the Linux dumper does for reading debugging information from various
sources, consolidating them into a single table, and writing that out as a
Breakpad symbol file.
In the process, it also adds support for dumping DWARF call frame
information and .eh_frame exception-handling information as Breakpad 'STACK
CFI' records. This allows the Breakpad processor to generate stack traces
from code compiled with -fomit-frame-pointer.
The patch also replaces the DumpSymbols Objective C++ class with
google_breakpad::DumpSymbols, a plain C++ class. The code still uses some
Objective C++ to use the Foundation facilities for dealing with file names
in a file-system-independent fashion, and for examining the contents of
.dSYM bundles.
Since the code has been entirely rewritten, I have changed the author
lines.
A=jimb R=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@614 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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For some reason, Mac OS X places DWARF debugging information in sections
whose names begin with "__", rather than the names beginning with "." given
in the DWARF spec. This patch changes google_breakpad::DwarfCUToModule to
look for line number information under both names.
A=jimb R=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@612 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch adds files defining new classes in the google_breakpad::Mach_O
namespace for parsing fat binaries and Mach-O files. These are used in the
new dumper to handle STABS debugging information, DWARF call frame
information, and .eh_frame exception handling stack walking information.
These new classes are independent of endianness and word size, and
therefore can be used on binaries of all the relevant architectures: x86,
x86_64, ppc, and ARM.
The patch adds a complete set of unit tests for the new classes.
A=jimb R=mark (http://breakpad.appspot.com/93001/show, http://breakpad.appspot.com/115001/show)
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@610 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Jacob <bjacob@mozilla.com>, r=me at https://bugzilla.mozilla.org/show_bug.cgi?id=569836
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@605 4c0a9323-5329-0410-9bdc-e9ce6186880e
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library
A=Zhurun
R=nealsid
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@604 4c0a9323-5329-0410-9bdc-e9ce6186880e
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to TestAssembler::Section.
This patch helps the TestAssembler classes generate Mach-O object files for
use as test input.
This patch adds a new AppendCString overloading to TestAssembler::Section
for emitting null-terminated strings in fixed-length buffers, where the
string is truncated and the terminating null character omitted if the
string is too large for the buffer.
The patch includes unit tests for the new AppendCString overloading. It
also provides some for the existing overloading, which had been neglected.
a=jimblandy, r=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@590 4c0a9323-5329-0410-9bdc-e9ce6186880e
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Breakpad's Macintosh symbol dumper uses deprecated functions for
dealing with mixed-endianness code. This patch provides an overloaded
function, ByteSwap, that automatically chooses the OSSwap* functions
from <libkern/OSByteOrder.h> appropriate for its argument's
size.
This patch does *not* address warnings in src/common/mac/dump_syms.mm,
because that code is about to be replaced entirely; there's no reason to
bother reviewing a big, detailed patch against it.
a=jimblandy, r=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@589 4c0a9323-5329-0410-9bdc-e9ce6186880e
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any time.
It's possible to imagine an implementation of google_breakpad::Module in
which calling SetLoadAddress at different times as the Module is populated
would produce different output. For the Mac dumper, we'd like to depend on
its current behavior --- that the load address is subtracted off only when
writing the symbol file, and can be set at any time prior to that.
This patch makes that promise part of Module's contract, and adjusts the
test suite to verify that that promise is met.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@588 4c0a9323-5329-0410-9bdc-e9ce6186880e
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outside functions.
This patch addresses two differences between Linux and Macintosh OS X STABS
data:
- StabsReader assumes that the STABS entries follow the conventions for
storing STABS data in object file sections (that is, .stabs and
.stabstr), rather than in the object files's linker symbol table. On Mac
OS X, STABS entries live in the Mach-O file's LC_SYMTAB load command,
along with all the other linker symbols; they are not grouped into units
by N_UNDF entries.
This patch adds a boolean argument to the StabsReader constructor
indicating whether the parser should treat N_UNDF entries as unit
boundaries; this argument should be true on Linux, and false on Mac. The
patch changes src/common/linux/dump_symbols.cc to pass this new argument.
- Mac OS X STABS place SLINE (line number) records immediately before the
FUN record for the function to which they belong, and the values of such
records are absolute, not relative to the function start.
This patch extends the parser to queue up such records and report them to
the handler when we do see the FUN record. The meaning of
StabsHandler::Line remains unchanged; existing handlers do not need to be
adjusted.
This patch also adds unit tests for the new parser behaviors.
a=jimblandy, r=mark
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@587 4c0a9323-5329-0410-9bdc-e9ce6186880e
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This patch factors out some of the common code in the StabsReader unit
tests into a fixture class. Pretty mechanical.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@586 4c0a9323-5329-0410-9bdc-e9ce6186880e
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An N_FUN stabs with no name is an explicit end-of-function marker, whose
value is the size of the function. This patch changes the stabs reader to
recognize these and use them to compute the function's ending address,
instead of treating them as functions with no names and mysterious
addresses. It also adds appropriate unit tests.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@585 4c0a9323-5329-0410-9bdc-e9ce6186880e
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All the other classes which receive debugging data from some sort of parser
and use it to populate a Module have names ending in "ToModule":
DwarfCUToModule, DwarfCFIToModule. Also, DumpStabsHandler doesn't actually
dump anything.
This patch renames the DumpStabsHandler class to StabsToModule, which is
more consistent and descriptive.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@584 4c0a9323-5329-0410-9bdc-e9ce6186880e
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StabsReader simply applies a reinterpret_cast to treat the stab entry data
as an array of 'struct nlist' structures, making the parser specific on the
host endianness, word size, and alignment rules. On Mac OS X, a single fat
binary file may contain object files of different ABIs, of which the user
chooses one at run time.
This patch changes the parser to read the data using the google_breakpad::
ByteCursor class, which can handle different endiannesses and word sizes.
The StabsReader constructor now takes arguments indicating the endianness
of the data and the size of each entry's value field. The patch changes
src/common/linux/dump_symbols.cc to pass the new argument.
This patch changes the StabsReader unit tests to use the google_breakpad::
TestAssembler classes to generate test data, rather than reading it from a
file. This makes it easy to generate test data in various endiannesses and
word sizes. It also adds tests for the new parser behaviors.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@583 4c0a9323-5329-0410-9bdc-e9ce6186880e
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The ByteBuffer and ByteCursor classes are utility classes for reading
binary files, handling endianness and word size issues in a portable way.
a=jimblandy, r=thestig
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@582 4c0a9323-5329-0410-9bdc-e9ce6186880e
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