LLDB
mainline
llvm-project
lldb
include
lldb
Symbol
ArmUnwindInfo.h
Go to the documentation of this file.
1
//===-- ArmUnwindInfo.h -----------------------------------------*- C++ -*-===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8
9
#ifndef LLDB_SYMBOL_ARMUNWINDINFO_H
10
#define LLDB_SYMBOL_ARMUNWINDINFO_H
11
12
#include "
lldb/Symbol/ObjectFile.h
"
13
#include "
lldb/Utility/DataExtractor.h
"
14
#include "
lldb/Utility/RangeMap.h
"
15
#include "
lldb/lldb-private.h
"
16
#include <vector>
17
18
/*
19
* Unwind information reader and parser for the ARM exception handling ABI
20
*
21
* Implemented based on:
22
* Exception Handling ABI for the ARM Architecture
23
* Document number: ARM IHI 0038A (current through ABI r2.09)
24
* Date of Issue: 25th January 2007, reissued 30th November 2012
25
* http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038a/IHI0038A_ehabi.pdf
26
*/
27
28
namespace
lldb_private
{
29
30
class
ArmUnwindInfo
{
31
public
:
32
ArmUnwindInfo
(
ObjectFile
&objfile, lldb::SectionSP &arm_exidx,
33
lldb::SectionSP &arm_extab);
34
35
~ArmUnwindInfo
();
36
37
bool
GetUnwindPlan
(
Target
&target,
const
Address
&addr,
38
UnwindPlan
&unwind_plan);
39
40
private
:
41
struct
ArmExidxEntry
{
42
ArmExidxEntry
(
uint32_t
f,
lldb::addr_t
a,
uint32_t
d);
43
44
bool
operator<
(
const
ArmExidxEntry
&other)
const
;
45
46
uint32_t
file_address
;
47
lldb::addr_t
address
;
48
uint32_t
data
;
49
};
50
51
const
uint8_t *
GetExceptionHandlingTableEntry
(
const
Address
&addr);
52
53
uint8_t
GetByteAtOffset
(
const
uint32_t
*data,
uint16_t
offset)
const
;
54
55
uint64_t
GetULEB128
(
const
uint32_t
*data,
uint16_t
&offset,
56
uint16_t
max_offset)
const
;
57
58
const
lldb::ByteOrder
m_byte_order
;
59
lldb::SectionSP
m_arm_exidx_sp
;
// .ARM.exidx section
60
lldb::SectionSP
m_arm_extab_sp
;
// .ARM.extab section
61
DataExtractor
m_arm_exidx_data
;
// .ARM.exidx section data
62
DataExtractor
m_arm_extab_data
;
// .ARM.extab section data
63
std::vector<ArmExidxEntry>
m_exidx_entries
;
64
};
65
66
}
// namespace lldb_private
67
68
#endif // LLDB_SYMBOL_ARMUNWINDINFO_H
lldb_private::ArmUnwindInfo::m_arm_exidx_sp
lldb::SectionSP m_arm_exidx_sp
Definition:
ArmUnwindInfo.h:59
lldb_private::ArmUnwindInfo::ArmUnwindInfo
ArmUnwindInfo(ObjectFile &objfile, lldb::SectionSP &arm_exidx, lldb::SectionSP &arm_extab)
Definition:
ArmUnwindInfo.cpp:48
lldb_private::ArmUnwindInfo::GetULEB128
uint64_t GetULEB128(const uint32_t *data, uint16_t &offset, uint16_t max_offset) const
Definition:
ArmUnwindInfo.cpp:85
lldb_private::ArmUnwindInfo
Definition:
ArmUnwindInfo.h:30
lldb_private::ArmUnwindInfo::GetUnwindPlan
bool GetUnwindPlan(Target &target, const Address &addr, UnwindPlan &unwind_plan)
Definition:
ArmUnwindInfo.cpp:99
lldb_private::ArmUnwindInfo::m_exidx_entries
std::vector< ArmExidxEntry > m_exidx_entries
Definition:
ArmUnwindInfo.h:63
lldb::addr_t
uint64_t addr_t
Definition:
lldb-types.h:83
RangeMap.h
lldb_private::Target
Definition:
Target.h:469
lldb_private::ArmUnwindInfo::m_arm_extab_data
DataExtractor m_arm_extab_data
Definition:
ArmUnwindInfo.h:62
lldb_private::ArmUnwindInfo::~ArmUnwindInfo
~ArmUnwindInfo()
lldb_private::DataExtractor
Definition:
DataExtractor.h:48
lldb_private::ArmUnwindInfo::ArmExidxEntry::address
lldb::addr_t address
Definition:
ArmUnwindInfo.h:47
lldb_private::ArmUnwindInfo::GetByteAtOffset
uint8_t GetByteAtOffset(const uint32_t *data, uint16_t offset) const
Definition:
ArmUnwindInfo.cpp:77
ObjectFile.h
lldb-private.h
lldb_private::ArmUnwindInfo::ArmExidxEntry::file_address
uint32_t file_address
Definition:
ArmUnwindInfo.h:46
uint32_t
lldb_private::ArmUnwindInfo::m_arm_extab_sp
lldb::SectionSP m_arm_extab_sp
Definition:
ArmUnwindInfo.h:60
lldb_private::Address
Definition:
Address.h:59
uint16_t
lldb_private::ArmUnwindInfo::GetExceptionHandlingTableEntry
const uint8_t * GetExceptionHandlingTableEntry(const Address &addr)
Definition:
ArmUnwindInfo.cpp:354
DataExtractor.h
lldb_private
A class that represents a running process on the host machine.
Definition:
SBCommandInterpreterRunOptions.h:16
lldb_private::ArmUnwindInfo::m_byte_order
const lldb::ByteOrder m_byte_order
Definition:
ArmUnwindInfo.h:58
lldb_private::ArmUnwindInfo::m_arm_exidx_data
DataExtractor m_arm_exidx_data
Definition:
ArmUnwindInfo.h:61
lldb_private::ArmUnwindInfo::ArmExidxEntry::ArmExidxEntry
ArmExidxEntry(uint32_t f, lldb::addr_t a, uint32_t d)
Definition:
ArmUnwindInfo.cpp:40
lldb_private::UnwindPlan
Definition:
UnwindPlan.h:53
lldb_private::ArmUnwindInfo::ArmExidxEntry::data
uint32_t data
Definition:
ArmUnwindInfo.h:48
lldb_private::ArmUnwindInfo::ArmExidxEntry::operator<
bool operator<(const ArmExidxEntry &other) const
Definition:
ArmUnwindInfo.cpp:44
lldb_private::ArmUnwindInfo::ArmExidxEntry
Definition:
ArmUnwindInfo.h:41
lldb_private::ObjectFile
Definition:
ObjectFile.h:60
lldb::ByteOrder
ByteOrder
Byte ordering definitions.
Definition:
lldb-enumerations.h:139
Generated on Fri Jan 27 2023 18:14:37 for LLDB by
1.8.17