diff options
Diffstat (limited to 'lldb/test/API/functionalities')
3 files changed, 30 insertions, 23 deletions
diff --git a/lldb/test/API/functionalities/unwind/cortex-m-exception/TestCortexMExceptionUnwind.py b/lldb/test/API/functionalities/unwind/cortex-m-exception/TestCortexMExceptionUnwind.py index 768dd6f..6535f89 100644 --- a/lldb/test/API/functionalities/unwind/cortex-m-exception/TestCortexMExceptionUnwind.py +++ b/lldb/test/API/functionalities/unwind/cortex-m-exception/TestCortexMExceptionUnwind.py @@ -12,21 +12,6 @@ from lldbsuite.test import lldbutil class TestCortexMExceptionUnwind(TestBase): NO_DEBUG_INFO_TESTCASE = True - # on the lldb-remote-linux-ubuntu CI, the binary.json's triple of - # armv7m-apple is not being set in the Target triple, and we're - # picking the wrong ABI plugin, ABISysV_arm. - # ABISysV_arm::CreateDefaultUnwindPlan() doesn't have a way to detect - # arm/thumb for a stack frame, or even the Target's triple for a - # Cortex-M part that is always thumb. It hardcodes r11 as the frame - # pointer register, which is correct for arm code but not thumb. - # It is never correct # on a Cortex-M target. - # The Darwin ABIMacOSX_arm diverges from AAPCS and always uses r7 for - # the frame pointer -- the thumb convention -- whether executing arm or - # thumb. So its CreateDefaultUnwindPlan picks the correct register for - # the frame pointer, and we can walk the stack. - # ABISysV_arm::CreateDefaultUnwindPlan will only get one frame and - # not be able to continue. - @skipIfRemote def test_no_fpu(self): """Test that we can backtrace correctly through an ARM Cortex-M Exception return stack""" @@ -59,10 +44,9 @@ class TestCortexMExceptionUnwind(TestBase): # frames above that. The topmost two stack frames # were not interesting for this test, so I didn't # create symbols for them. - self.assertEqual(thread.GetNumFrames(), 6) + self.assertEqual(thread.GetNumFrames(), 3) stackframe_names = [ "exception_catcher", - "exception_catcher", "exception_thrower", "main", ] diff --git a/lldb/test/API/functionalities/unwind/cortex-m-exception/armv7m-nofpu-exception.yaml b/lldb/test/API/functionalities/unwind/cortex-m-exception/armv7m-nofpu-exception.yaml index 9ce5ff4..0b4e1f8 100644 --- a/lldb/test/API/functionalities/unwind/cortex-m-exception/armv7m-nofpu-exception.yaml +++ b/lldb/test/API/functionalities/unwind/cortex-m-exception/armv7m-nofpu-exception.yaml @@ -2,8 +2,8 @@ cpu: armv7m threads: - regsets: - flavor: gpr - registers: [{name: sp, value: 0x2000fe70}, {name: r7, value: 0x2000fe80}, - {name: pc, value: 0x0020392c}, {name: lr, value: 0x0020392d}] + registers: [{name: sp, value: 0x2000fe88}, {name: r7, value: 0x2000fe88}, + {name: pc, value: 0x00203916}, {name: lr, value: 0x0020392d}] memory-regions: # stack memory fetched via # (lldb) p/x $sp @@ -14,7 +14,7 @@ memory-regions: 0x0000002a, 0x20010e58, 0x00203923, 0x00000001, 0x2000fe88, 0x00203911, 0x2000ffdc, 0xfffffff9, 0x00000102, 0x00000002, 0x000003f0, 0x0000002a, - 0x20012620, 0x00203215, 0x00203366, 0x81000200, + 0x20012620, 0x00203215, 0x00202a92, 0x81000200, 0x00203215, 0x200128b0, 0x0024928d, 0x2000fecc, 0x002491ed, 0x20010e58, 0x20010e4c, 0x2000ffa0, 0x200107a0, 0x0000003c, 0x200116e8, 0x200108b0, @@ -62,3 +62,26 @@ memory-regions: 0x98, 0xae, 0x28, 0x00 ] + # exception_thrower + # (lldb) disass -b -c 12 -n exception_thrower + # 0x202a88 <+0>: 0xb5f0 push {r4, r5, r6, r7, lr} + # 0x202a8a <+2>: 0xaf03 add r7, sp, #0xc + # 0x202a8c <+4>: 0xe92d0f00 push.w {r8, r9, r10, r11} + # 0x202a90 <+8>: 0xb0c3 sub sp, #0x10c + # 0x202a92 <+10>: 0xf7ffffd9 bl 0x202a48 + - addr: 0x202a88 + UInt8: [ + 0xf0, 0xb5, 0x03, 0xaf, 0x2d, 0xe9, 0x00, 0x0f, + 0xc3, 0xb0, 0xff, 0xf7, 0xd9, 0xff, 0xff, 0xf7 + ] + + # main: + # 0x202a7e <+0>: push {r7, lr} + # 0x202a80 <+2>: mov r7, sp + # 0x202a82 <+4>: bl 0x202a88 ; exception_thrower + # 0x202a86 <+8>: nop + - addr: 0x202a7e + UInt8: [ + 0x80, 0xb5, 0x6f, 0x46, 0x00, 0xf0, 0x01, 0xf8, + 0x00, 0xbf + ] diff --git a/lldb/test/API/functionalities/unwind/cortex-m-exception/binary.json b/lldb/test/API/functionalities/unwind/cortex-m-exception/binary.json index 8fcd530..0de0169 100644 --- a/lldb/test/API/functionalities/unwind/cortex-m-exception/binary.json +++ b/lldb/test/API/functionalities/unwind/cortex-m-exception/binary.json @@ -1,5 +1,5 @@ { - "triple": "armv7m-apple", + "triple": "armv7m--", "uuid": "2D157DBA-53C9-3AC7-B5A1-9D336EC831CB", "type": "executable", "sections": [ @@ -28,13 +28,13 @@ { "name": "exception_catcher", "type": "code", - "size": 44, + "size": 32, "address": 2111760 }, { "name": "exception_thrower", "type": "code", - "size": 2652, + "size": 16, "address": 2108040 } ] |