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-rw-r--r--tools/testing/selftests/powerpc/signal/signal.S46
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/testing/selftests/powerpc/signal/signal.S b/tools/testing/selftests/powerpc/signal/signal.S
new file mode 100644
index 000000000..228fba499
--- /dev/null
+++ b/tools/testing/selftests/powerpc/signal/signal.S
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright 2015, Cyril Bur, IBM Corp.
+ */
+
+#include "basic_asm.h"
+
+/* long signal_self(pid_t pid, int sig); */
+FUNC_START(signal_self)
+ li r0,37 /* sys_kill */
+ /* r3 already has our pid in it */
+ /* r4 already has signal type in it */
+ sc
+ bc 4,3,1f
+ subfze r3,r3
+1: blr
+FUNC_END(signal_self)
+
+/* long tm_signal_self(pid_t pid, int sig, int *ret); */
+FUNC_START(tm_signal_self)
+ PUSH_BASIC_STACK(8)
+ std r5,STACK_FRAME_PARAM(0)(sp) /* ret */
+ tbegin.
+ beq 1f
+ tsuspend.
+ li r0,37 /* sys_kill */
+ /* r3 already has our pid in it */
+ /* r4 already has signal type in it */
+ sc
+ ld r5,STACK_FRAME_PARAM(0)(sp) /* ret */
+ bc 4,3,2f
+ subfze r3,r3
+2: std r3,0(r5)
+ tabort. 0
+ tresume. /* Be nice to some cleanup, jumps back to tbegin then to 1: */
+ /*
+ * Transaction should be proper doomed and we should never get
+ * here
+ */
+ li r3,1
+ POP_BASIC_STACK(8)
+ blr
+1: li r3,0
+ POP_BASIC_STACK(8)
+ blr
+FUNC_END(tm_signal_self)