Based on patches by Jose E. Marchesi <[email protected]>.
Signed-off-by: Stanislav Kholmanskikh <[email protected]>
---
include/ltp_signal.h | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 59 insertions(+), 0 deletions(-)
diff --git a/include/ltp_signal.h b/include/ltp_signal.h
index 31bb0b0..a60ee7c 100644
--- a/include/ltp_signal.h
+++ b/include/ltp_signal.h
@@ -122,6 +122,46 @@ static inline int sig_initial(int sig)
#endif /* __x86_64__ */
+#ifdef __sparc__
+#if defined __arch64__ || defined __sparcv9
+
+/*
+ * From glibc/sysdeps/unix/sysv/linux/sparc/sparc64/sigaction.c
+ */
+
+static void __rt_sigreturn_stub(void)
+{
+ __asm__ ("mov %0, %%g1\n\t"
+ "ta 0x6d\n\t"
+ : /* no outputs */
+ : "i" (__NR_rt_sigreturn));
+}
+
+#else /* sparc32 */
+
+/*
+ * From glibc/sysdeps/unix/sysv/linux/sparc/sparc32/sigaction.c
+ */
+
+static void __rt_sigreturn_stub(void)
+{
+ __asm__ ("mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_rt_sigreturn));
+}
+
+static void __sigreturn_stub(void)
+{
+ __asm__ ("mov %0, %%g1\n\t"
+ "ta 0x10\n\t"
+ : /* no outputs */
+ : "i" (__NR_sigreturn));
+}
+
+#endif
+#endif /* __sparc__ */
+
/* This is a wrapper for __NR_rt_sigaction syscall.
* act/oact values of INVAL_SA_PTR is used to pass
* an invalid pointer to syscall(__NR_rt_sigaction)
@@ -159,9 +199,28 @@ static int ltp_rt_sigaction(int signum, const struct
sigaction *act,
kact.sa_restorer = restore_rt;
#endif
+#ifdef __sparc__
+ unsigned long stub = 0;
+# if defined __arch64__ || defined __sparcv9
+ stub = ((unsigned long) &__rt_sigreturn_stub) - 8;
+# else /* sparc32 */
+ if ((kact.sa_flags & SA_SIGINFO) != 0)
+ stub = ((unsigned long) &__rt_sigreturn_stub) - 8;
+ else
+ stub = ((unsigned long) &__sigreturn_stub) - 8;
+# endif
+#endif
+
+
+#ifdef __sparc__
+ ret = ltp_syscall(__NR_rt_sigaction, signum,
+ kact_p, koact_p,
+ stub, sigsetsize);
+#else
ret = ltp_syscall(__NR_rt_sigaction, signum,
kact_p, koact_p,
sigsetsize);
+#endif
if (ret >= 0) {
if (oact && (oact != INVAL_SA_PTR)) {
--
1.7.1
------------------------------------------------------------------------------
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