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Commit Graph

8 Commits

Author SHA1 Message Date
Vitaly Buka
53f2da3ddf [asan] Simplify calculation of stack frame layout extraction calculation of stack description into separate function.
Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D25754

llvm-svn: 284547
2016-10-18 23:29:52 +00:00
Vitaly Buka
c8fcecb754 [asan] Append line number to variable name if line is available and in the same file as the function.
PR30498

Reviewers: eugenis

Differential Revision: https://reviews.llvm.org/D25715

llvm-svn: 284546
2016-10-18 23:29:41 +00:00
Vitaly Buka
1d9c174ef6 [asan] Separate calculation of ShadowBytes from calculating ASanStackFrameLayout
Summary: No functional changes, just refactoring to make D23947 simpler.

Reviewers: eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23954

llvm-svn: 279982
2016-08-29 17:41:29 +00:00
Vitaly Buka
e9baa70b4d [asan] Add support of lifetime poisoning into ComputeASanStackFrameLayout
Summary:
We are going to combine poisoning of red zones and scope poisoning.

PR27453

Reviewers: kcc, eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23623

llvm-svn: 279373
2016-08-20 16:48:24 +00:00
Vitaly Buka
e092bcb17b Revert "[asan] Add support of lifetime poisoning into ComputeASanStackFrameLayout"
This reverts commit r279020.

Speculative revert in hope to fix asan test on arm.

llvm-svn: 279332
2016-08-19 22:12:58 +00:00
Vitaly Buka
cdc61a18c7 [asan] Add support of lifetime poisoning into ComputeASanStackFrameLayout
Summary:
We are going to combine poisoning of red zones and scope poisoning.

PR27453

Reviewers: kcc, eugenis

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D23623

llvm-svn: 279020
2016-08-18 00:56:58 +00:00
Chandler Carruth
87f14b4eec Re-sort all of the includes with ./utils/sort_includes.py so that
subsequent changes are easier to review. About to fix some layering
issues, and wanted to separate out the necessary churn.

Also comment and sink the include of "Windows.h" in three .inc files to
match the usage in Memory.inc.

llvm-svn: 198685
2014-01-07 11:48:04 +00:00
Kostya Serebryany
fc32a3e5d2 [asan] rewrite asan's stack frame layout
Summary:
Rewrite asan's stack frame layout.
First, most of the stack layout logic is moved into a separte file
to make it more testable and (potentially) useful for other projects.
Second, make the frames more compact by using adaptive redzones
(smaller for small objects, larger for large objects).
Third, try to minimized gaps due to large alignments (this is hypothetical since
today we don't see many stack vars aligned by more than 32).

The frames indeed become more compact, but I'll still need to run more benchmarks
before committing, but I am sking for review now to get early feedback.

This change will be accompanied by a trivial change in compiler-rt tests
to match the new frame sizes.

Reviewers: samsonov, dvyukov

Reviewed By: samsonov

CC: llvm-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D2324

llvm-svn: 196568
2013-12-06 09:00:17 +00:00