Commit Graph

6 Commits

Author SHA1 Message Date
Evgeniy Stepanov 4094d9a127 [asan] Fix dead stripping of globals on Linux (compiler-rt).
Third attempt. See the description of the corresponding commit in
LLVM for more details.

llvm-svn: 301588
2017-04-27 20:27:33 +00:00
Evgeniy Stepanov 2384165155 Revert "[asan] Fix dead stripping of globals on Linux (compiler-rt)."
This reverts r299698, which caused a big increase in object file size.

llvm-svn: 299881
2017-04-10 20:36:43 +00:00
Evgeniy Stepanov 0680968ff3 [asan] Fix dead stripping of globals on Linux (compiler-rt).
This is a re-land of r298173, r298169, r298159.

llvm-svn: 299698
2017-04-06 19:55:52 +00:00
Evgeniy Stepanov 3bf85d3124 Revert r298174, r298173, r298169, r298159.
Revert "Fix sanitizer tests with LLVM_TOOL_LLD_BUILD=OFF."
Revert "[asan] Remove gc-sections test with bfd."
Revert "[asan] Disable globals-gc test with ld.bfd."
Revert "[asan] Fix dead stripping of globals on Linux (compiler-rt)"

OOM in gold linker.

llvm-svn: 298287
2017-03-20 18:45:27 +00:00
Evgeniy Stepanov 79ee0c1813 [asan] Fix dead stripping of globals on Linux (compiler-rt)
Runtime support for the new instrumentation of globals based on !associated, and a bunch of tests.

Differential Revision: https://reviews.llvm.org/D30120

llvm-svn: 298159
2017-03-17 22:17:38 +00:00
Marcos Pividori 25527bf021 [sanitizer] Add list of symbols exported in sanitizers' interface.
Add a new auxiliary file to each sanitizer: sanitizer_interface.inc, listing all
the functions exported, with the macros: INTERFACE_FUNCTION() and
INTERFACE_WEAK_FUNCTION().
So, when we need to define or repeat a procedure for each function in the
sanitizer's interface, we can define the macros and include that header.
In particular, these files are needed for Windows, in the nexts commits.
Also, this files could replace the existing files: weak_symbols.txt for Apple.
Instead of reading weak_symbols.txt to get the list of weak symbols, we could
read the file sanitizer_interface.inc and consider all the symbols included with
the macro INTERFACE_WEAK_FUNCTION(Name).

In this commit, I only include these files to the sanitizers that work on
Windows. We could do the same for the rest of the sanitizers when needed.

I updated tests for: Linux, Darwin and Windows. If a new function is exported
but is not present in the interface list, the tests
"interface_symbols_[darwin|windows|linux].c" fail.

Also, I remove the comments: "/* OPTIONAL */" which are not required any more,
because we use the macro: INTERFACE_WEAK_FUNCTION() for weak functions.

Differential Revision: https://reviews.llvm.org/D29148

llvm-svn: 293682
2017-01-31 20:23:21 +00:00