================
@@ -0,0 +1,90 @@
+"""
+Test software step-inst
+"""
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestSoftwareStep(TestBase):
+ @skipIf(archs=no_match(re.compile("rv*")))
+ def test_cas(self):
+ self.build()
+ (target, process, cur_thread, bkpt) = lldbutil.run_to_name_breakpoint(
+ self, "cas"
+ )
+ entry_pc = cur_thread.GetFrameAtIndex(0).GetPC()
+
+ self.runCmd("thread step-inst")
+ self.expect(
+ "thread list",
+ substrs=["stopped", "stop reason = instruction step into"],
+ )
+
+ pc = cur_thread.GetFrameAtIndex(0).GetPC()
+ self.assertTrue((pc - entry_pc) > 0x10)
+
+ @skipIf(archs=no_match(re.compile("rv*")))
+ def test_branch_cas(self):
+ self.build(dictionary={"C_SOURCES": "branch.c", "EXE": "branch.x"})
+ (target, process, cur_thread, bkpt) = lldbutil.run_to_name_breakpoint(
+ self, "branch_cas", exe_name="branch.x"
+ )
+ entry_pc = cur_thread.GetFrameAtIndex(0).GetPC()
+
+ self.runCmd("thread step-inst")
+ self.expect(
+ "thread list",
+ substrs=["stopped", "stop reason = instruction step into"],
+ )
+
+ pc = cur_thread.GetFrameAtIndex(0).GetPC()
+ self.assertTrue((pc - entry_pc) > 0x10)
+
+ @skipIf(archs=no_match(re.compile("rv*")))
+ def test_incomplete_sequence_without_lr(self):
+ self.build(
+ dictionary={
+ "C_SOURCES": "incomplete_sequence_without_lr.c",
+ "EXE": "incomplete_lr.x",
+ }
+ )
+ (target, process, cur_thread, bkpt) = lldbutil.run_to_name_breakpoint(
+ self, "incomplete_cas", exe_name="incomplete_lr.x"
+ )
+ entry_pc = cur_thread.GetFrameAtIndex(0).GetPC()
+
+ self.runCmd("thread step-inst")
+
+ self.expect(
+ "thread list",
+ substrs=["stopped", "stop reason = instruction step into"],
+ )
+
+ pc = cur_thread.GetFrameAtIndex(0).GetPC()
+ self.assertTrue((pc - entry_pc) == 0x4)
+
+ @skipIf(archs=no_match(re.compile("rv*")))
+ def test_incomplete_sequence_without_sc(self):
+ self.build(
+ dictionary={
+ "C_SOURCES": "incomplete_sequence_without_sc.c",
+ "EXE": "incomplete_sc.x",
+ }
+ )
+ (target, process, cur_thread, bkpt) = lldbutil.run_to_name_breakpoint(
+ self, "incomplete_cas", exe_name="incomplete_sc.x"
+ )
+ entry_pc = cur_thread.GetFrameAtIndex(0).GetPC()
+
+ self.runCmd("thread step-inst")
+
+ self.expect(
+ "thread list",
+ substrs=["stopped", "stop reason = instruction step into"],
+ )
+
+ pc = cur_thread.GetFrameAtIndex(0).GetPC()
+ self.assertTrue((pc - entry_pc) == 0x4)
----------------
dlav-sc wrote:
addressed
https://github.com/llvm/llvm-project/pull/127505
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