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05e5839d4f
llvm-6502/test/Instrumentation/AddressSanitizer
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Alexey Samsonov 05e5839d4f [ASan] Change fake stack and local variables handling. 
This commit changes the way we get fake stack from ASan runtime
(to find use-after-return errors) and the way we represent local
variables:
  - __asan_stack_malloc function now returns pointer to newly allocated
    fake stack frame, or NULL if frame cannot be allocated. It doesn't
    take pointer to real stack as an input argument, it is calculated
    inside the runtime.
  - __asan_stack_free function doesn't take pointer to real stack as
    an input argument. Now this function is never called if fake stack
    frame wasn't allocated.
  - __asan_init version is bumped to reflect changes in the ABI.
  - new flag "-asan-stack-dynamic-alloca" allows to store all the
    function local variables in a dynamic alloca, instead of the static
    one. It reduces the stack space usage in use-after-return mode
    (dynamic alloca will not be called if the local variables are stored
    in a fake stack), and improves the debug info quality for local
    variables (they will not be described relatively to %rbp/%rsp, which
    are assumed to be clobbered by function calls). This flag is turned
    off by default for now, but I plan to turn it on after more
    testing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224062 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-11 21:53:03 +00:00
..
X86 [asan-asm-instrumentation] Fixed memory accesses with rbp as a base or an index register. 2014-10-21 10:22:27 +00:00
adaptive_global_redzones.ll
asan-vs-gvn.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
basic.ll [asan] Assign a low branch weight to ASan's slow path, patch by Jonas Wagner. This speeds up asan (at least on SPEC) by 1%-5% or more. Also fix lint in dfsan. 2014-09-02 21:46:51 +00:00
debug_info.ll Revert "Revert "DI: Fold constant arguments into a single MDString"" 2014-10-03 20:01:09 +00:00
do-not-instrument-cstring.ll Recommit of r223513 and r223514. 2014-12-05 22:19:18 +00:00
do-not-instrument-internal-globals.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
do-not-instrument-llvm-metadata.ll IR: Add COMDATs to the IR 2014-06-27 18:19:56 +00:00
do-not-touch-comdat-global.ll Add a test case for r212596 2014-07-11 16:32:53 +00:00
do-not-touch-odr-global.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
do-not-touch-threadlocal.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
freebsd.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
global_metadata.ll [ASan] Use metadata to pass source-level information from Clang to ASan. 2014-08-02 00:35:50 +00:00
instrument_global.ll [ASan] Collect unmangled names of global variables in Clang to print them in error reports. 2014-07-12 00:42:52 +00:00
instrument_initializer_metadata.ll [asan] don't instrument module CTORs that may be run before asan.module_ctor. This fixes asan running together -coverage 2014-09-24 22:41:55 +00:00
instrument_load_then_store.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
instrument-dynamic-allocas.ll [asan] Add new hidden compile-time flag asan-instrument-allocas to sanitize variable-sized dynamic allocas. Patch by Max Ostapenko. 2014-11-21 10:29:50 +00:00
instrument-no-return.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
instrumentation-with-call-threshold.ll [asan] properly instrument memory accesses that have small alignment (smaller than min(8,size)) by making two checks instead of one. This may slowdown some cases, e.g. long long on 32-bit or wide loads produced after loop unrolling. The benefit is higher sencitivity. 2014-05-23 11:52:07 +00:00
lifetime-uar.ll [ASan] Add -asan-module to the ASan .ll tests. 2014-03-20 11:16:34 +00:00
lifetime.ll Remove top-level Clang -fsanitize= flags for optional ASan features. 2014-06-13 17:53:44 +00:00
stack_dynamic_alloca.ll [ASan] Change fake stack and local variables handling. 2014-12-11 21:53:03 +00:00
stack_layout.ll [ASan] Change fake stack and local variables handling. 2014-12-11 21:53:03 +00:00
stack-poisoning.ll Remove top-level Clang -fsanitize= flags for optional ASan features. 2014-06-13 17:53:44 +00:00
test64.ll [asan] properly instrument memory accesses that have small alignment (smaller than min(8,size)) by making two checks instead of one. This may slowdown some cases, e.g. long long on 32-bit or wide loads produced after loop unrolling. The benefit is higher sencitivity. 2014-05-23 11:52:07 +00:00
ubsan.ll [ASan] Don't instrument load/stores with !nosanitize metadata. 2014-07-17 18:48:12 +00:00
undecidable-dynamic-alloca-1.ll [asan] Change dynamic alloca instrumentation to only consider allocas that are dominating all exits from function. 2014-12-01 08:47:58 +00:00