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Patch inspired by file comparison with openjdk@19.
diff -u -r openjdk-10.alt/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c openjdk-10/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c
--- openjdk-10.alt/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c 2023-04-05 15:03:00.070787628 +0200
+++ openjdk-10/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c 2023-04-05 15:29:51.379824348 +0200
@@ -67,8 +67,17 @@
longjmp(context, 1);
}
-void set_signal_handler() {
- static char altstack[SIGSTKSZ];
+static char* altstack = NULL;
+
+ void set_signal_handler() {
+ if (altstack == NULL) {
+ // Dynamically allocated in case SIGSTKSZ is not constant
+ altstack = (char*)malloc(SIGSTKSZ);
+ if (altstack == NULL) {
+ fprintf(stderr, "Test ERROR. Unable to malloc altstack space\n");
+ exit(7);
+ }
+ }
stack_t ss = {
.ss_size = SIGSTKSZ,
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