dvyukov added a comment.
We need a test that passes non-NULL to these arguments and shows how to use the
returned values.
================
Comment at: test/asan/TestCases/Linux/swapcontext_annotation.cc:176-199
@@ -164,7 +175,26 @@
ret += Run(argc - 1, 0, stack);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: Main context from: [[CHILD_STACK]] 524288
ret += Run(argc - 1, 1, stack);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: Main context from: [[CHILD_STACK]] 524288
ret += Run(argc - 1, 2, stack);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: NextChild stack: [[NEXT_CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: NextChild from: [[CHILD_STACK]] 524288
+ // CHECK: Main context from: [[NEXT_CHILD_STACK]] 524288
ret += Run(argc - 1, 0, heap);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: Main context from: [[CHILD_STACK]] 524288
ret += Run(argc - 1, 1, heap);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: Main context from: [[CHILD_STACK]] 524288
ret += Run(argc - 1, 2, heap);
+ // CHECK: Child stack: [[CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: NextChild stack: [[NEXT_CHILD_STACK:0x[0-9a-f]*]]
+ // CHECK: NextChild from: [[CHILD_STACK]] 524288
+ // CHECK: Main context from: [[NEXT_CHILD_STACK]] 524288
+
+ // CHECK: Iteration 0 passed
+ printf("Iteration %d passed\n", i);
}
----------------
andriigrynenko wrote:
> This only checks the first iteration of the loop. Can I do it better with
> FileCheck ?
Yes, you can add CHECKs for the second iteration as well.
https://reviews.llvm.org/D24628
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