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authorJeremy Morse <jeremy.morse@sony.com>2019-10-31 16:22:10 +0000
committerJeremy Morse <jeremy.morse@sony.com>2019-10-31 16:22:10 +0000
commitcb935f345683194e42e6e883d79c5a16479acd74 (patch)
treecfb11e7bf901b8edf3b78dc97bbb5275190e9b4c /debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py
parentf2cb9c0eabc132152b5b3ad4c87a5a02345a883d (diff)
downloadbcm5719-llvm-cb935f345683194e42e6e883d79c5a16479acd74.tar.gz
bcm5719-llvm-cb935f345683194e42e6e883d79c5a16479acd74.zip
Revert "Import Dexter to debuginfo-tests"
This reverts commit f78c236efda85af1e526ac35ed535ef4786450e3. Green dragon breakage was observed; I'll take a look at why.
Diffstat (limited to 'debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py')
-rw-r--r--debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py163
1 files changed, 0 insertions, 163 deletions
diff --git a/debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py b/debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py
deleted file mode 100644
index 66d01f03e8f..00000000000
--- a/debuginfo-tests/dexter/dex/debugger/dbgeng/dbgeng.py
+++ /dev/null
@@ -1,163 +0,0 @@
-# DExTer : Debugging Experience Tester
-# ~~~~~~ ~ ~~ ~ ~~
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-import sys
-import os
-import platform
-
-from dex.debugger.DebuggerBase import DebuggerBase
-from dex.dextIR import FrameIR, LocIR, StepIR, StopReason, ValueIR
-from dex.dextIR import ProgramState, StackFrame, SourceLocation
-from dex.utils.Exceptions import DebuggerException, LoadDebuggerException
-from dex.utils.ReturnCode import ReturnCode
-
-if platform.system() == "Windows":
- # Don't load on linux; _load_interface will croak before any names are used.
- from . import setup
- from . import probe_process
- from . import breakpoint
-
-class DbgEng(DebuggerBase):
- def __init__(self, context, *args):
- self.breakpoints = []
- self.running = False
- self.finished = False
- self.step_info = None
- super(DbgEng, self).__init__(context, *args)
-
- def _custom_init(self):
- try:
- res = setup.setup_everything(self.context.options.executable)
- self.client, self.hProcess = res
- self.running = True
- except Exception as e:
- raise Exception('Failed to start debuggee: {}'.format(e))
-
- def _custom_exit(self):
- setup.cleanup(self.client, self.hProcess)
-
- def _load_interface(self):
- arch = platform.architecture()[0]
- machine = platform.machine()
- if arch == '32bit' and machine == 'AMD64':
- # This python process is 32 bits, but is sitting on a 64 bit machine.
- # Bad things may happen, don't support it.
- raise LoadDebuggerException('Can\'t run Dexter dbgeng on 32 bit python in a 64 bit environment')
-
- if platform.system() != 'Windows':
- raise LoadDebuggerException('DbgEng supports Windows only')
-
- # Otherwise, everything was imported earlier
-
- @classmethod
- def get_name(cls):
- return 'dbgeng'
-
- @classmethod
- def get_option_name(cls):
- return 'dbgeng'
-
- @property
- def frames_below_main(self):
- return []
-
- @property
- def version(self):
- # I don't believe there's a well defined DbgEng version, outside of the
- # version of Windows being used.
- return "1"
-
- def clear_breakpoints(self):
- for x in self.breakpoints:
- x.RemoveFlags(breakpoint.BreakpointFlags.DEBUG_BREAKPOINT_ENABLED)
- self.client.Control.RemoveBreakpoint(x)
-
- def add_breakpoint(self, file_, line):
- # This is something to implement in the future -- as it stands, Dexter
- # doesn't test for such things as "I can set a breakpoint on this line".
- # This is only called AFAICT right now to ensure we break on every step.
- pass
-
- def launch(self):
- # We are, by this point, already launched.
- self.step_info = probe_process.probe_state(self.client)
-
- def step(self):
- res = setup.step_once(self.client)
- if not res:
- self.finished = True
- self.step_info = res
-
- def go(self):
- # We never go -- we always single step.
- pass
-
- def get_step_info(self):
- frames = self.step_info
- state_frames = []
-
- # For now assume the base function is the... function, ignoring
- # inlining.
- dex_frames = []
- for i, x in enumerate(frames):
- # XXX Might be able to get columns out through
- # GetSourceEntriesByOffset, not a priority now
- loc = LocIR(path=x.source_file, lineno=x.line_no, column=0)
- new_frame = FrameIR(function=x.function_name, is_inlined=False, loc=loc)
- dex_frames.append(new_frame)
-
- state_frame = StackFrame(function=new_frame.function,
- is_inlined=new_frame.is_inlined,
- location=SourceLocation(path=x.source_file,
- lineno=x.line_no,
- column=0),
- watches={})
- for expr in map(
- lambda watch, idx=i: self.evaluate_expression(watch, idx),
- self.watches):
- state_frame.watches[expr.expression] = expr
- state_frames.append(state_frame)
-
- return StepIR(
- step_index=self.step_index, frames=dex_frames,
- stop_reason=StopReason.STEP,
- program_state=ProgramState(state_frames))
-
- @property
- def is_running(self):
- return False # We're never free-running
-
- @property
- def is_finished(self):
- return self.finished
-
- def evaluate_expression(self, expression, frame_idx=0):
- # XXX: cdb insists on using '->' to examine fields of structures,
- # as it appears to reserve '.' for other purposes.
- fixed_expr = expression.replace('.', '->')
-
- orig_scope_idx = self.client.Symbols.GetCurrentScopeFrameIndex()
- self.client.Symbols.SetScopeFrameByIndex(frame_idx)
-
- res = self.client.Control.Evaluate(fixed_expr)
- if res is not None:
- result, typename = self.client.Control.Evaluate(fixed_expr)
- could_eval = True
- else:
- result, typename = (None, None)
- could_eval = False
-
- self.client.Symbols.SetScopeFrameByIndex(orig_scope_idx)
-
- return ValueIR(
- expression=expression,
- value=str(result),
- type_name=typename,
- error_string="",
- could_evaluate=could_eval,
- is_optimized_away=False,
- is_irretrievable=not could_eval)
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