1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
//===-- StopInfoMachException.h ---------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H
#define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H
#include <optional>
#include <string>
#include "lldb/Target/StopInfo.h"
#if defined(__APPLE__)
// Needed for the EXC_* defines
#include <mach/exception.h>
#endif
namespace lldb_private {
class StopInfoMachException : public StopInfo {
/// Determine the pointer-authentication related failure that caused this
/// exception. Returns true and fills out the failure description if there
/// is auth-related failure, and returns false otherwise.
bool DeterminePtrauthFailure(ExecutionContext &exe_ctx);
public:
// Constructors and Destructors
StopInfoMachException(Thread &thread, uint32_t exc_type,
uint32_t exc_data_count, uint64_t exc_code,
uint64_t exc_subcode,
bool not_stepping_but_got_singlestep_exception)
: StopInfo(thread, exc_type), m_exc_data_count(exc_data_count),
m_exc_code(exc_code), m_exc_subcode(exc_subcode),
m_not_stepping_but_got_singlestep_exception(
not_stepping_but_got_singlestep_exception) {}
~StopInfoMachException() override = default;
lldb::StopReason GetStopReason() const override {
return lldb::eStopReasonException;
}
const char *GetDescription() override;
#if defined(__APPLE__)
struct MachException {
static const char *Name(exception_type_t exc_type);
static std::optional<exception_type_t> ExceptionCode(const char *name);
};
#endif
// Since some mach exceptions will be reported as breakpoints, signals,
// or trace, we use this static accessor which will translate the mach
// exception into the correct StopInfo.
static lldb::StopInfoSP CreateStopReasonWithMachException(
Thread &thread, uint32_t exc_type, uint32_t exc_data_count,
uint64_t exc_code, uint64_t exc_sub_code, uint64_t exc_sub_sub_code,
bool pc_already_adjusted = true, bool adjust_pc_if_needed = false);
bool WasContinueInterrupted(Thread &thread) override;
protected:
uint32_t m_exc_data_count;
uint64_t m_exc_code;
uint64_t m_exc_subcode;
bool m_not_stepping_but_got_singlestep_exception;
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H
|
