48 lines
1 KiB
Text
48 lines
1 KiB
Text
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Relax siginfo_t si_addr check, sparc64 only provides page granularity.
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Index: EnginePl/try_sigaction.c
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--- EnginePl/try_sigaction.c.orig
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+++ EnginePl/try_sigaction.c
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@@ -51,6 +51,7 @@
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* si_addr is wrong for SIGBUS :-(
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*/
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#define BAD_ADDR ((int *) 0x2EA4F0)
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+int *bad_addr;
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void
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SIGSEGV_Handler(int sig, siginfo_t * sip)
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@@ -59,7 +60,7 @@ SIGSEGV_Handler(int sig, siginfo_t * sip)
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#if 0
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printf("bad addr: %p\n", addr);
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#endif
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- _exit(addr != BAD_ADDR);
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+ _exit(addr != bad_addr);
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}
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@@ -68,6 +69,7 @@ int
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main(int argc, char *argv[])
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{
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struct sigaction act;
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+ long page_size;
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act.sa_handler = NULL;
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act.sa_sigaction = (void (*)()) SIGSEGV_Handler;
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@@ -79,7 +81,15 @@ main(int argc, char *argv[])
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sigaction(SIGBUS, &act, NULL);
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#endif
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- *BAD_ADDR = 128;
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+ bad_addr = BAD_ADDR;
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+ /*
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+ * some architectures can't provide more then page-level
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+ * granularity.
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+ */
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+ if ((page_size = sysconf(_SC_PAGESIZE)) != -1L)
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+ bad_addr = (int *)((long)BAD_ADDR & ~(page_size - 1));
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+
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+ *bad_addr = 128;
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return 1;
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}
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