[Lldb-commits] [PATCH] D21221: Fix for PrintStackTraces

Ravitheja Addepally via lldb-commits lldb-commits at lists.llvm.org
Wed Jul 6 01:28:58 PDT 2016


ravitheja updated this revision to Diff 62831.
ravitheja added a comment.

Removing other files.


http://reviews.llvm.org/D21221

Files:
  packages/Python/lldbsuite/test/functionalities/unwind/ehframe/
  packages/Python/lldbsuite/test/functionalities/unwind/ehframe/Makefile
  packages/Python/lldbsuite/test/functionalities/unwind/ehframe/TestEhFrameUnwind.py
  packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c

Index: packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c
===================================================================
--- /dev/null
+++ packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c
@@ -0,0 +1,20 @@
+void func() {
+	__asm__ (
+		"pushq $0x10;"
+		".cfi_def_cfa_offset 16;"
+		"jmp label;"
+		"movq $0x48, %rax;"
+"label: subq $0x38, %rax;"
+		"movq $0x48, %rcx;"
+		"movq $0x48, %rdx;"
+		"movq $0x48, %rax;"
+		"popq %rax;"
+	);
+
+}
+
+
+int main(int argc, char const *argv[])
+{
+	func();
+}
\ No newline at end of file
Index: packages/Python/lldbsuite/test/functionalities/unwind/ehframe/TestEhFrameUnwind.py
===================================================================
--- /dev/null
+++ packages/Python/lldbsuite/test/functionalities/unwind/ehframe/TestEhFrameUnwind.py
@@ -0,0 +1,51 @@
+"""
+Test that we can backtrace correctly from Non ABI functions on the stack
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+class EHFrameBasedUnwind(TestBase):
+    mydir = TestBase.compute_mydir(__file__)
+
+	
+    @skipUnlessPlatform(['linux'])
+    @skipIf(archs=["aarch64", "arm", "i386", "i686"])
+    def test (self):
+        """Test that we can backtrace correctly from Non ABI  functions on the stack"""
+        self.build()
+        self.setTearDownCleanup()
+
+        exe = os.path.join(os.getcwd(), "a.out")
+        target = self.dbg.CreateTarget(exe)
+
+        self.assertTrue(target, VALID_TARGET)
+
+        lldbutil.run_break_set_by_symbol (self, "func")
+
+        process = target.LaunchSimple (["abc", "xyz"], None, self.get_process_working_directory())
+
+        if not process:
+            self.fail("SBTarget.Launch() failed")
+
+        if process.GetState() != lldb.eStateStopped:
+            self.fail("Process should be in the 'stopped' state, "
+                      "instead the actual state is: '%s'" %
+                      lldbutil.state_type_to_str(process.GetState()))
+
+        stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
+        self.expect(stacktraces, exe=False,
+            substrs = ['(int)argc=3'])
+
+        self.runCmd("thread step-inst")
+
+        stacktraces = lldbutil.print_stacktraces(process, string_buffer=True)
+        self.expect(stacktraces, exe=False,
+            substrs = ['(int)argc=3'])
Index: packages/Python/lldbsuite/test/functionalities/unwind/ehframe/Makefile
===================================================================
--- /dev/null
+++ packages/Python/lldbsuite/test/functionalities/unwind/ehframe/Makefile
@@ -0,0 +1,7 @@
+LEVEL = ../../../make
+
+C_SOURCES := main.c
+
+CFLAGS ?= -g -fomit-frame-pointer
+
+include $(LEVEL)/Makefile.rules


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