| 1 | Patch inspired by file comparison with openjdk@19.
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| 2 |
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| 3 | diff -u -r openjdk-10.alt/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c openjdk-10/test/hotspot/jtreg/runtime/StackGuardPages/exeinvoke.c
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| 4 | |
| 5 | |
| 6 | @@ -67,8 +67,17 @@
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| 7 | longjmp(context, 1);
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| 8 | }
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| 9 |
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| 10 | -void set_signal_handler() {
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| 11 | - static char altstack[SIGSTKSZ];
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| 12 | +static char* altstack = NULL;
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| 13 | +
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| 14 | + void set_signal_handler() {
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| 15 | + if (altstack == NULL) {
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| 16 | + // Dynamically allocated in case SIGSTKSZ is not constant
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| 17 | + altstack = (char*)malloc(SIGSTKSZ);
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| 18 | + if (altstack == NULL) {
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| 19 | + fprintf(stderr, "Test ERROR. Unable to malloc altstack space\n");
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| 20 | + exit(7);
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| 21 | + }
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| 22 | + }
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| 23 |
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| 24 | stack_t ss = {
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| 25 | .ss_size = SIGSTKSZ,
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