hanchenye-llvm-project/compiler-rt
Kuba Mracek 3eb98a1318 [sanitizer] Track architecture and UUID of modules in LoadedModule
When we enumerate loaded modules, we only track the module name and base address, which then has several problems on macOS. Dylibs and executables often have several architecture slices and not storing which architecture/UUID is actually loaded creates problems with symbolication: A file path + offset isn't enough to correctly symbolicate, since the offset can be valid in multiple slices. This is especially common for Haswell+ X86_64 machines, where x86_64h slices are preferred, but if one is not available, a regular x86_64 is loaded instead. But the same issue exists for i386 vs. x86_64 as well.

This patch adds tracking of arch and UUID for each LoadedModule. At this point, this information isn't used in reports, but this is the first step. The goal is to correctly identify which slice is loaded in symbolication, and also to output this information in reports so that we can tell which exact slices were loaded in post-mortem analysis.

Differential Revision: https://reviews.llvm.org/D26632

llvm-svn: 288537
2016-12-02 21:27:14 +00:00
..
cmake [scudo] 32-bit and hardware agnostic support 2016-11-30 17:32:20 +00:00
docs [sanitizers] Make it possible to XFAIL on the effective target, not just the default. 2016-08-09 11:50:53 +00:00
include [XRay] Support AArch64 in compiler-rt 2016-11-21 03:20:43 +00:00
lib [sanitizer] Track architecture and UUID of modules in LoadedModule 2016-12-02 21:27:14 +00:00
test Revert "Compiler-rt part of D26230: Add (constant) masked load/store support (Try #2)" 2016-12-02 16:19:14 +00:00
unittests Replace hardcoded comment at 'lit.site.cfg.in' 2016-04-16 07:03:45 +00:00
www
.arcconfig Upgrade all the .arcconfigs to https. 2016-07-14 13:15:37 +00:00
.gitignore
CMakeLists.txt [compiler-rt] Exclude compiler-rt from using -fmodules when LLVM_ENABLE_MODULES=On 2016-10-08 09:01:27 +00:00
CODE_OWNERS.TXT [sanitizers] remove earthdok@ from owners 2016-05-18 18:52:18 +00:00
CREDITS.TXT
LICENSE.TXT Update copyright year to 2016. 2016-03-30 22:38:50 +00:00
README.txt

README.txt

Compiler-RT
================================

This directory and its subdirectories contain source code for the compiler
support routines.

Compiler-RT is open source software. You may freely distribute it under the
terms of the license agreement found in LICENSE.txt.

================================