[Lldb-commits] [lldb] r328488 - Add and fix some tests for PPC64

Davide Italiano via lldb-commits lldb-commits at lists.llvm.org
Mon Mar 26 08:13:34 PDT 2018


This commit broke the Jenkins macOS x86-64 bots

http://lab.llvm.org:8080/green/view/LLDB/job/lldb-cmake/5943/testReport/junit/TestDisassembleBreakpoint/DisassemblyTestCase/test_dwarf/

Can you take a look? (if you can't, let me know).

Thanks,

--
Davide

On Mon, Mar 26, 2018 at 5:42 AM, Pavel Labath via lldb-commits
<lldb-commits at lists.llvm.org> wrote:
> Author: labath
> Date: Mon Mar 26 05:42:07 2018
> New Revision: 328488
>
> URL: http://llvm.org/viewvc/llvm-project?rev=328488&view=rev
> Log:
> Add and fix some tests for PPC64
>
> Summary:
> TestExprsChar.py
> Char is unsigned char by default in PowerPC.
>
> TestDisassembleBreakpoint.py
> Modify disassemble testcase to consider multiple architectures.
>
> TestThreadJump.py
> Jumping directly to the return line on PowerPC architecture dos not
> means returning the value that is seen on the code. The last test fails,
> because it needs the execution of some assembly in the beginning of the
> function. Avoiding this test for this architecture.
>
> TestEhFrameUnwind.py
> Implement func for ppc64le test case.
>
> TestWatchLocation.py
> TestStepOverWatchpoint.py
> PowerPC currently supports only one H/W watchpoint.
>
> TestDisassembleRawData.py
> Add PowerPC opcode and instruction for disassemble testcase.
>
> Reviewers: labath
>
> Reviewed By: labath
>
> Subscribers: davide, labath, alexandreyy, lldb-commits, luporl, lbianc
>
> Differential Revision: https://reviews.llvm.org/D44472
> Patch by Alexandre Yukio Yamashita <alexandre.yamashita at eldorado.org.br>.
>
> Modified:
>     lldb/trunk/packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
>     lldb/trunk/packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py
>     lldb/trunk/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c
>     lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchlocation/TestWatchLocation.py
>     lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/step_over_watchpoint/TestStepOverWatchpoint.py
>     lldb/trunk/packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/expression_command/char/TestExprsChar.py Mon Mar 26 05:42:07 2018
> @@ -49,6 +49,7 @@ class ExprCharTestCase(TestBase):
>          archs=[
>              "arm",
>              "aarch64",
> +            "powerpc64le",
>              "s390x"],
>          bugnumber="llvm.org/pr23069")
>      @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr21765")
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/disassembly/TestDisassembleBreakpoint.py Mon Mar 26 05:42:07 2018
> @@ -26,6 +26,9 @@ class DisassemblyTestCase(TestBase):
>          self.expect("file " + exe,
>                      patterns=["Current executable set to .*a.out.*"])
>
> +        self.runCmd("dis -n main")
> +        disassembly_before_break = self.res.GetOutput().splitlines()
> +
>          match_object = lldbutil.run_break_set_command(self, "br s -n sum")
>          lldbutil.check_breakpoint_result(
>              self,
> @@ -37,36 +40,16 @@ class DisassemblyTestCase(TestBase):
>          self.expect("run",
>                      patterns=["Process .* launched: "])
>
> -        self.runCmd("dis -f")
> -        disassembly = self.res.GetOutput()
> +        self.runCmd("dis -n main")
> +        disassembly_after_break = self.res.GetOutput().splitlines()
>
> -        # ARCH, if not specified, defaults to x86_64.
> -        arch = self.getArchitecture()
> -        if arch in ["", 'x86_64', 'i386', 'i686']:
> -            breakpoint_opcodes = ["int3"]
> -            instructions = [' mov', ' addl ', 'ret']
> -        elif arch in ["arm", "aarch64", "arm64", "armv7", "armv7k"]:
> -            breakpoint_opcodes = ["brk", "udf"]
> -            instructions = [' add ', ' ldr ', ' str ']
> -        elif re.match("mips", arch):
> -            breakpoint_opcodes = ["break"]
> -            instructions = ['lw', 'sw']
> -        elif arch in ["s390x"]:
> -            breakpoint_opcodes = [".long"]
> -            instructions = [' l ', ' a ', ' st ']
> -        else:
> -            # TODO please add your arch here
> -            self.fail(
> -                'unimplemented for arch = "{arch}"'.format(
> -                    arch=self.getArchitecture()))
> -
> -        # make sure that the software breakpoint has been removed
> -        for op in breakpoint_opcodes:
> -            self.assertFalse(op in disassembly)
> -
> -        # make sure a few reasonable assembly instructions are here
> -        self.expect(
> -            disassembly,
> -            exe=False,
> -            startstr="a.out`sum",
> -            substrs=instructions)
> +        # make sure all assembly instructions are the same as the original
> +        # instructions before inserting breakpoints.
> +        self.assertEqual(len(disassembly_before_break),
> +                         len(disassembly_after_break))
> +
> +        for dis_inst_before, dis_inst_after in \
> +                zip(disassembly_before_break, disassembly_after_break):
> +            inst_before = dis_inst_before.split(':')[-1]
> +            inst_after = dis_inst_after.split(':')[-1]
> +            self.assertEqual(inst_before, inst_after)
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/unwind/ehframe/main.c Mon Mar 26 05:42:07 2018
> @@ -1,6 +1,18 @@
>  void func() {
>
> -#ifndef __mips__
> +#ifdef __powerpc64__
> +  __asm__ (
> +    "mflr 0;"
> +    "std 0,16(1);"
> +    "addi 1,1,-24;"
> +    "mr 31,1;"
> +    ".cfi_def_cfa_offset 24;"
> +    "addi 0,0,0;"
> +    "addi 1,1,24;"
> +    "ld 0,16(1);"
> +    ".cfi_def_cfa_offset 0;"
> +  );
> +#elif !defined __mips__
>         __asm__ (
>                 "pushq $0x10;"
>                 ".cfi_def_cfa_offset 16;"
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchlocation/TestWatchLocation.py
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchlocation/TestWatchLocation.py?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchlocation/TestWatchLocation.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/hello_watchlocation/TestWatchLocation.py Mon Mar 26 05:42:07 2018
> @@ -39,8 +39,8 @@ class HelloWatchLocationTestCase(TestBas
>      # Most of the MIPS boards provide only one H/W watchpoints, and S/W
>      # watchpoints are not supported yet
>      @expectedFailureAll(triple=re.compile('^mips'))
> -    # SystemZ also currently supports only one H/W watchpoint
> -    @expectedFailureAll(archs=['s390x'])
> +    # SystemZ and PowerPC also currently supports only one H/W watchpoint
> +    @expectedFailureAll(archs=['powerpc64le', 's390x'])
>      @skipIfDarwin
>      def test_hello_watchlocation(self):
>          """Test watching a location with '-s size' option."""
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/step_over_watchpoint/TestStepOverWatchpoint.py
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/step_over_watchpoint/TestStepOverWatchpoint.py?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/step_over_watchpoint/TestStepOverWatchpoint.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/functionalities/watchpoint/step_over_watchpoint/TestStepOverWatchpoint.py Mon Mar 26 05:42:07 2018
> @@ -81,7 +81,7 @@ class TestStepOverWatchpoint(TestBase):
>          # Most of the MIPS boards provide only one H/W watchpoints, and S/W
>          # watchpoints are not supported yet
>          arch = self.getArchitecture()
> -        if re.match("^mips", arch):
> +        if re.match("^mips", arch) or re.match("powerpc64le", arch):
>              self.runCmd("watchpoint delete 1")
>
>          # resolve_location=True, read=False, write=True
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py
> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py?rev=328488&r1=328487&r2=328488&view=diff
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py Mon Mar 26 05:42:07 2018
> @@ -31,6 +31,9 @@ class DisassembleRawDataTestCase(TestBas
>          elif re.match("mips", arch):
>              target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mips")
>              raw_bytes = bytearray([0x03, 0xa0, 0xf0, 0x21])
> +        elif re.match("powerpc64le", arch):
> +            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "powerpc64le")
> +            raw_bytes = bytearray([0x00, 0x00, 0x80, 0x38])
>          else:
>              target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64")
>              raw_bytes = bytearray([0x48, 0x89, 0xe5])
> @@ -48,6 +51,9 @@ class DisassembleRawDataTestCase(TestBas
>              self.assertTrue(inst.GetMnemonic(target) == "move")
>              self.assertTrue(inst.GetOperands(target) ==
>                              '$' + "fp, " + '$' + "sp")
> +        elif re.match("powerpc64le", arch):
> +            self.assertTrue(inst.GetMnemonic(target) == "li")
> +            self.assertTrue(inst.GetOperands(target) == "4, 0")
>          else:
>              self.assertTrue(inst.GetMnemonic(target) == "movq")
>              self.assertTrue(inst.GetOperands(target) ==
>
>
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