Added
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
to the beginning of all source files that didn't have it.
This ensures that configuration options are respected in all source
files. In particular, it ensures that the defines needed to fix Large
File System issues are set before including system headers.
More generally, it ensures consistency between the source files, and
avoids the possibility of ODR violations between source files that were
including config.h and source files that were not.
Process:
Ran
find . \( -name third_party -prune \) -o \( -name '.git*' -prune \) -o \( \( -name '*.cc' -o -name '*.c' \) -exec sed -i '0,/^#include/ s/^#include/#ifdef HAVE_CONFIG_H\n#include <config.h> \/\/ Must come first\n#endif\n\n#include/' {} + \)
and then manually fixed up src/common/linux/guid_creator.cc,
src/tools/solaris/dump_syms/testdata/dump_syms_regtest.cc,
src/tools/windows/dump_syms/testdata/dump_syms_regtest.cc,
src/common/stabs_reader.h, and src/common/linux/breakpad_getcontext.h.
BUG=google-breakpad:877
Fixed: google-breakpad:877
TEST=./configure && make && make check
TEST=Did the find/sed in ChromeOS's copy, ensured emerge-hana google-breakpad
worked and had fewer LFS violations.
TEST=Did the find/sed in Chrome's copy, ensured compiling hana, windows, linux, and
eve still worked (since Chrome doesn't used config.h)
Change-Id: I16cededbba0ea0c28e919b13243e35300999e799
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/4289676
Reviewed-by: Mike Frysinger <vapier@chromium.org>
sed -i '' -E -e 's/Copyright (\(c\) )?([0-9-]+),? (Google|The Chromium Authors).*(\r)?$/Copyright \2 Google LLC\4/' -e '/^((\/\/|#| \*) )?All rights reserved\.?\r?$/d' -e 's/name of Google Inc\. nor the/name of Google LLC nor the/' -e 's/POSSIBILITY OF SUCH DAMAGE$/POSSIBILITY OF SUCH DAMAGE./' $(git grep -El 'Copyright (\(c\) )?([0-9-]+),? (Google|The Chromium Authors).*$')
Plus manual fixes for src/processor/disassembler_x86.{cc,h}.
Plus some conversions from CRLF to LF line endings in .cc and .h files.
Bug: chromium:1098010
Change-Id: I8030e804eecd9f5a1ec9d66ae166efd8418c2a67
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3878302
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Since the introduction of inlined frames, it is not sufficient to check
the stack trace length (== 1) in order to identify context frames.
Updating all location that were depending on this assumption to check
for frame trust level instead.
Change-Id: I98f966889367c2270c268b8e78b67418c89c50f1
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/3499020
Reviewed-by: Mark Mentovai <mark@chromium.org>
The main motivation for this change is to handle very large stack
traces, normally the result of infinite recursion. This part is
actually fairly simple, relaxing a few self-imposed limits on how
many frames we can unwind and the max size for stack memory.
Relaxing these limits requires stricter and more consistent checks for
stack unwinding. There are a number of unwinding invariants that apply
to all the platforms:
1. stack pointer (and frame pointer) must be within the stack memory
(frame pointer, if preset, must point to the right frame too)
2. unwinding must monotonically increase SP
(except for the first frame unwind, this must be a strict increase)
3. Instruction pointer (return address) must point to a valid location
4. stack pointer (and frame pointer) must be appropriately aligned
This change is focused on 2), which is enough to guarantee that the
unwinding doesn't get stuck in an infinite loop.
1) is implicitly validated part of accessing the stack memory
(explicit checks might be nice though).
4) is ABI specific and while it may be valuable in catching suspicious
frames is not in the scope of this change.
3) is also an interesting check but thanks to just-in-time compilation
it's more complex than just calling
StackWalker::InstructionAddressSeemsValid()
and we don't want to drop parts of the callstack due to an overly
conservative check.
Bug: chromium:735989
Change-Id: I9aaba77c7fd028942d77c87d51b5e6f94e136ddd
Reviewed-on: https://chromium-review.googlesource.com/563771
Reviewed-by: Mark Mentovai <mark@chromium.org>
Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
Currently on MIPS we accidentally terminate stackwalk if $sp value doesn't change between frames
which results in incomplete callchain terminated at the point of first tailcall encountered.
Change-Id: I8f1ed1df958d8f0a9eb11fd7800062184d8f1ee2
Reviewed-on: https://chromium-review.googlesource.com/449755
Reviewed-by: Mark Mentovai <mark@chromium.org>
These compile errors occur when building the check target with:
CXX=clang++-3.8
CXXFLAGS="-Werror -Wconstant-conversion -g -O2 -std=c++11"
src/processor/stackwalker_mips.cc:60:9: error: comparison of constant
18446744073709551615 with expression of type 'bool' is always false
[Werror,-Wtautological-constant-out-of-range-compare]
> 0xffffffffffffffff) {
^ ~~~~~~~~~~~~~~~~~~
src/processor/stackwalker_mips.cc:68:66: error: comparison of constant
4294967295 with expression of type 'bool' is always false
[-Werror,-Wtautological-constant-out-of-range-compare]
if ((memory_ && memory_->GetBase() + memory_->GetSize() - 1) > 0xffffffff) {
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
Change-Id: I29eed8f4a67b9feeb274aa1fc6c79a019135e8d6
Reviewed-on: https://chromium-review.googlesource.com/438445
Reviewed-by: Mike Frysinger <vapier@chromium.org>
