Added a recursive loop stress test for the unwinder. Not a real world test
by any means, but something to stress test our unwinder with 260,000+ frames
on a standard darwin thread.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@123037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/recurse/main.c b/test/recurse/main.c
new file mode 100644
index 0000000..1159669
--- /dev/null
+++ b/test/recurse/main.c
@@ -0,0 +1,28 @@
+#include <stdint.h>
+#include <stdio.h>
+
+uint32_t
+recurse_crash (uint32_t depth)
+{
+ if (depth > 0)
+ return recurse_crash (depth - 1);
+ return 0;
+}
+
+int
+main (int argc, char const *argv[])
+{
+ // If we have more than one argument, then it should a depth to recurse to.
+ // If we have just the program name as an argument, use UINT32_MAX so we
+ // eventually crash the program by overflowing the stack
+ uint32_t depth = UINT32_MAX;
+ if (argc > 1)
+ {
+ char *end = NULL;
+ depth = strtoul (argv[1], &end, 0);
+ if (end == NULL || *end != '\0')
+ depth = UINT32_MAX;
+ }
+ recurse_crash (depth);
+ return 0;
+}
\ No newline at end of file