Vendor import of lldb trunk r256945:

https://llvm.org/svn/llvm-project/lldb/trunk@256945

5 files changed, 104 insertions, 0 deletions

diff --git a/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/Makefile b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/Makefile
new file mode 100644
index 0000000..329ceab
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/Makefile
@@ -0,0 +1,12 @@
+LEVEL = ../../../make
+
+myclass.o: myclass.h myclass.m
+	$(CC) myclass.m -c -o myclass.o
+
+repro: myclass.o repro.m
+	$(CC) -g -O0 myclass.o repro.m -framework Foundation
+
+cleanup:
+	rm -r myclass.o
+
+include $(LEVEL)/Makefile.rules
diff --git a/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/TestObjCiVarIMP.py b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/TestObjCiVarIMP.py
new file mode 100644
index 0000000..9ed2bb9
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/TestObjCiVarIMP.py
@@ -0,0 +1,63 @@
+"""
+Test that dynamically discovered ivars of type IMP do not crash LLDB
+"""
+
+from __future__ import print_function
+
+
+
+import os, time
+import re
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+import lldbsuite.support.seven as seven
+
+def execute_command (command):
+    # print('%% %s' % (command))
+    (exit_status, output) = seven.get_command_status_output(command)
+    # if output:
+    #     print(output)
+    # print('status = %u' % (exit_status))
+    return exit_status
+
+class ObjCiVarIMPTestCase(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    @skipUnlessDarwin
+    @no_debug_info_test
+    def test_imp_ivar_type(self):
+        """Test that dynamically discovered ivars of type IMP do not crash LLDB"""
+        if self.getArchitecture() == 'i386':
+            # rdar://problem/9946499
+            self.skipTest("Dynamic types for ObjC V1 runtime not implemented")
+        
+        execute_command("make repro")
+        def cleanup():
+            execute_command("make cleanup")
+        self.addTearDownHook(cleanup)
+
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        # Create a target from the debugger.
+        target = self.dbg.CreateTarget (exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Set up our breakpoint
+
+        bkpt = lldbutil.run_break_set_by_source_regexp (self, "break here")
+
+        # Now launch the process, and do not stop at the entry point.
+        process = target.LaunchSimple (None, None, self.get_process_working_directory())
+
+        self.assertTrue(process.GetState() == lldb.eStateStopped,
+                        PROCESS_STOPPED)
+
+        self.expect('frame variable --ptr-depth=1 --show-types -d run -- object', substrs=[
+            '(MyClass *) object = 0x',
+            '(void *) myImp = 0x'
+        ])
+        self.expect('disassemble --start-address `((MyClass*)object)->myImp`', substrs=[
+            '-[MyClass init]'
+        ])
diff --git a/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.h b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.h
new file mode 100644
index 0000000..da28d1e
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.h
@@ -0,0 +1,6 @@
+#import <Foundation/Foundation.h>
+
+@interface MyClass : NSObject
+{}
+- (id)init;
+@end
diff --git a/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.m b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.m
new file mode 100644
index 0000000..85b2fcf
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/myclass.m
@@ -0,0 +1,16 @@
+#import <Foundation/Foundation.h>
+#import "myclass.h"
+
+@implementation MyClass
+{
+  IMP myImp;
+}
+- (id)init {
+  if (self = [super init])
+  {
+    SEL theSelector = @selector(init);
+    self->myImp = [self methodForSelector:theSelector]; 
+  }
+  return self;
+}
+@end
diff --git a/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/repro.m b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/repro.m
new file mode 100644
index 0000000..14f911f
--- /dev/null
+++ b/packages/Python/lldbsuite/test/lang/objc/ivar-IMP/repro.m
@@ -0,0 +1,7 @@
+#import <Foundation/Foundation.h>
+#import "myclass.h"
+
+int main() {
+  id object = [MyClass new];
+  return 0; // break here
+}