diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test')
3 files changed, 78 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/Makefile new file mode 100644 index 00000000000..289d25698ff --- /dev/null +++ b/lldb/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 diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/TestEhFrameUnwind.py b/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/TestEhFrameUnwind.py new file mode 100644 index 00000000000..e17d5d36d39 --- /dev/null +++ b/lldb/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']) diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c b/lldb/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c new file mode 100644 index 00000000000..f62f7d814f3 --- /dev/null +++ b/lldb/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(); +}
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