Fix for Bug 25338

Summary:
The issue arises because LLDB is not
able to read the vdso library correctly.
The fix adds memory allocation callbacks
to allocate sufficient memory in case the
requested offsets don't fit in the memory
buffer allocated for the ELF.

Reviewers: lldb-commits, clayborg, deepak2427, ovyalov, labath, tberghammer

Differential Revision: http://reviews.llvm.org/D16107

llvm-svn: 258122

3 files changed, 4 insertions, 11 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/inferior-assert/TestInferiorAssert.py b/lldb/packages/Python/lldbsuite/test/functionalities/inferior-assert/TestInferiorAssert.py
index 950b021b69c..bc824275f72 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/inferior-assert/TestInferiorAssert.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/inferior-assert/TestInferiorAssert.py
@@ -15,8 +15,7 @@ class AssertingInferiorTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @expectedFailureWindows("llvm.org/pr21793: need to implement support for detecting assertion / abort on Windows")
-    @expectedFailurei386("llvm.org/pr25338")
-    @expectedFailureLinux("llvm.org/pr25338", archs=['arm', 'i386'])
+    @expectedFailureLinux("llvm.org/pr25338", archs=['arm'])
     def test_inferior_asserting(self):
         """Test that lldb reliably catches the inferior asserting (command)."""
         self.build()
@@ -30,8 +29,7 @@ class AssertingInferiorTestCase(TestBase):
         self.inferior_asserting_registers()
 
     @expectedFailureWindows("llvm.org/pr21793: need to implement support for detecting assertion / abort on Windows")
-    @expectedFailurei386("llvm.org/pr25338")
-    @expectedFailureLinux("llvm.org/pr25338", archs=['arm', 'i386'])
+    @expectedFailureLinux("llvm.org/pr25338", archs=['arm'])
     def test_inferior_asserting_disassemble(self):
         """Test that lldb reliably disassembles frames after asserting (command)."""
         self.build()
@@ -45,16 +43,14 @@ class AssertingInferiorTestCase(TestBase):
         self.inferior_asserting_python()
 
     @expectedFailureWindows("llvm.org/pr21793: need to implement support for detecting assertion / abort on Windows")
-    @expectedFailurei386("llvm.org/pr25338")
-    @expectedFailureLinux("llvm.org/pr25338", archs=['arm', 'i386'])
+    @expectedFailureLinux("llvm.org/pr25338", archs=['arm'])
     def test_inferior_asserting_expr(self):
         """Test that the lldb expression interpreter can read from the inferior after asserting (command)."""
         self.build()
         self.inferior_asserting_expr()
 
     @expectedFailureWindows("llvm.org/pr21793: need to implement support for detecting assertion / abort on Windows")
-    @expectedFailurei386("llvm.org/pr25338")
-    @expectedFailureLinux("llvm.org/pr25338", archs=['arm', 'i386'])
+    @expectedFailureLinux("llvm.org/pr25338", archs=['arm'])
     def test_inferior_asserting_step(self):
         """Test that lldb functions correctly after stepping through a call to assert()."""
         self.build()
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py b/lldb/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py
index c0a311f7ac9..b67259d147b 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/unwind/noreturn/TestNoreturnUnwind.py
@@ -14,7 +14,6 @@ import lldbsuite.test.lldbutil as lldbutil
 class NoreturnUnwind(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
-    @expectedFailurei386("llvm.org/pr25338")
     @skipIfWindows # clang-cl does not support gcc style attributes.
     def test (self):
         """Test that we can backtrace correctly with 'noreturn' functions on the stack"""
diff --git a/lldb/packages/Python/lldbsuite/test/python_api/hello_world/TestHelloWorld.py b/lldb/packages/Python/lldbsuite/test/python_api/hello_world/TestHelloWorld.py
index 47c3ba146ce..31e80d4ab64 100644
--- a/lldb/packages/Python/lldbsuite/test/python_api/hello_world/TestHelloWorld.py
+++ b/lldb/packages/Python/lldbsuite/test/python_api/hello_world/TestHelloWorld.py
@@ -75,7 +75,6 @@ class HelloWorldTestCase(TestBase):
 
     @add_test_categories(['pyapi'])
     @expectedFailureWindows("llvm.org/pr24600")
-    @expectedFailurei386("llvm.org/pr25338")
     @skipIfiOSSimulator
     def test_with_attach_to_process_with_id_api(self):
         """Create target, spawn a process, and attach to it with process id."""
@@ -105,7 +104,6 @@ class HelloWorldTestCase(TestBase):
 
     @add_test_categories(['pyapi'])
     @expectedFailureWindows("llvm.org/pr24600")
-    @expectedFailurei386("llvm.org/pr25338")
     @skipIfiOSSimulator
     def test_with_attach_to_process_with_name_api(self):
         """Create target, spawn a process, and attach to it with process name."""