================
@@ -0,0 +1,45 @@
+"""
+Test lldb's ability to read the Arm TLS register.
+"""
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+@skipUnlessArch("arm")
+@skipUnlessPlatform(["linux"])
+class ArmLinuxTLSRegister(TestBase):
+ NO_DEBUG_INFO_TESTCASE = True
+
+ def test_tls_reg_read(self):
+ self.build()
+ (_, _, thread, _) = lldbutil.run_to_source_breakpoint(
+ self, "// Set breakpoint here.", lldb.SBFileSpec("main.c")
+ )
+ frame = thread.GetFrameAtIndex(0)
+
+ tpidruro_var = frame.FindVariable("tpidruro")
+ self.assertTrue(tpidruro_var.IsValid())
+
+ regs = frame.GetRegisters()
+ tls_regs = regs.GetFirstValueByName("Thread Local Storage Registers")
+ self.assertTrue(tls_regs.IsValid(), "No TLS registers found.")
+ tpidruro_reg = tls_regs.GetChildMemberWithName("tpidruro")
+ self.assertTrue(tpidruro_reg.IsValid(), "tpidruro register not found.")
+
+ val = tpidruro_var.GetValueAsUnsigned()
+ self.assertEqual(tpidruro_reg.GetValueAsUnsigned(), val)
+ self.expect("reg read tp", substrs=[hex(val)])
+
+ def test_tls_reg_write(self):
+ self.build()
+ lldbutil.run_to_source_breakpoint(
+ self, "// Set breakpoint here.", lldb.SBFileSpec("main.c")
+ )
+ self.expect(
----------------
DavidSpickett wrote:
I think its fine to put this on the end of the first test. You can just call
the combined test test_tls_reg_access. Saves us spinning up another process,
and even if it does fail part way, it's not hard to unpick what went wrong here.
https://github.com/llvm/llvm-project/pull/182438
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