CompactUnwindInfo.cpp File Reference

#include "lldb/Symbol/CompactUnwindInfo.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/Section.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/UnwindPlan.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StreamString.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <memory>

Go to the source code of this file.

Namespaces
namespace	lldb_private
	A class that represents a running process on the host machine.

Macros
#define	UNWIND_SECOND_LEVEL_REGULAR   2
#define	UNWIND_SECOND_LEVEL_COMPRESSED   3
#define	UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET(entry)
#define	UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX(entry)
#define	EXTRACT_BITS(value, mask)

Enumerations
enum	{   lldb_private::UNWIND_X86_REG_NONE = 0 , lldb_private::UNWIND_X86_REG_EBX = 1 , lldb_private::UNWIND_X86_REG_ECX = 2 , lldb_private::UNWIND_X86_REG_EDX = 3 ,   lldb_private::UNWIND_X86_REG_EDI = 4 , lldb_private::UNWIND_X86_REG_ESI = 5 , lldb_private::UNWIND_X86_REG_EBP = 6 }
enum	{   lldb_private::UNWIND_X86_64_REG_NONE = 0 , lldb_private::UNWIND_X86_64_REG_RBX = 1 , lldb_private::UNWIND_X86_64_REG_R12 = 2 , lldb_private::UNWIND_X86_64_REG_R13 = 3 ,   lldb_private::UNWIND_X86_64_REG_R14 = 4 , lldb_private::UNWIND_X86_64_REG_R15 = 5 , lldb_private::UNWIND_X86_64_REG_RBP = 6 }
enum	x86_64_eh_regnum {   rax = 0 , rdx = 1 , rcx = 2 , rbx = 3 ,   rsi = 4 , rdi = 5 , rbp = 6 , rsp = 7 ,   r8 = 8 , r9 = 9 , r10 = 10 , r11 = 11 ,   r12 = 12 , r13 = 13 , r14 = 14 , r15 = 15 ,   rip = 16 }
enum	i386_eh_regnum {   eax = 0 , ecx = 1 , edx = 2 , ebx = 3 ,   ebp = 4 , esp = 5 , esi = 6 , edi = 7 ,   eip = 8 }
enum	arm64_eh_regnum {   x19 = 19 , x20 = 20 , x21 = 21 , x22 = 22 ,   x23 = 23 , x24 = 24 , x25 = 25 , x26 = 26 ,   x27 = 27 , x28 = 28 , fp = 29 , ra = 30 ,   sp = 31 , pc = 32 , v8 = 72 , v9 = 73 ,   v10 = 74 , v11 = 75 , v12 = 76 , v13 = 77 ,   v14 = 78 , v15 = 79 }
enum	arm_eh_regnum {   arm_r0 = 0 , arm_r1 = 1 , arm_r2 = 2 , arm_r3 = 3 ,   arm_r4 = 4 , arm_r5 = 5 , arm_r6 = 6 , arm_r7 = 7 ,   arm_r8 = 8 , arm_r9 = 9 , arm_r10 = 10 , arm_r11 = 11 ,   arm_r12 = 12 , arm_sp = 13 , arm_lr = 14 , arm_pc = 15 ,   arm_d0 = 256 , arm_d1 = 257 , arm_d2 = 258 , arm_d3 = 259 ,   arm_d4 = 260 , arm_d5 = 261 , arm_d6 = 262 , arm_d7 = 263 ,   arm_d8 = 264 , arm_d9 = 265 , arm_d10 = 266 , arm_d11 = 267 ,   arm_d12 = 268 , arm_d13 = 269 , arm_d14 = 270 }

Functions
	lldb_private::FLAGS_ANONYMOUS_ENUM ()
uint32_t	translate_to_eh_frame_regnum_x86_64 (uint32_t unwind_regno)
uint32_t	translate_to_eh_frame_regnum_i386 (uint32_t unwind_regno)

Macro Definition Documentation

EXTRACT_BITS

#define EXTRACT_BITS	(		value,
			mask )

Value:

  ((value >> llvm::countr_zero(static_cast<uint32_t>(mask))) &                 \
   (((1 << llvm::popcount(static_cast<uint32_t>(mask)))) - 1))

Definition at line 157 of file CompactUnwindInfo.cpp.

Referenced by lldb_private::CompactUnwindInfo::CreateUnwindPlan_arm64(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_armv7(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_i386(), lldb_private::CompactUnwindInfo::CreateUnwindPlan_x86_64(), and lldb_private::CompactUnwindInfo::GetCompactUnwindInfoForFunction().

UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX

#define UNWIND_INFO_COMPRESSED_ENTRY_ENCODING_INDEX

(

entry

)

Value:

  ((entry >> 24) & 0xFF)

Definition at line 153 of file CompactUnwindInfo.cpp.

Referenced by lldb_private::CompactUnwindInfo::BinarySearchCompressedSecondPage().

UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET

#define UNWIND_INFO_COMPRESSED_ENTRY_FUNC_OFFSET

(

entry

)

Value:

(entry & 0x00FFFFFF)

Definition at line 149 of file CompactUnwindInfo.cpp.

Referenced by lldb_private::CompactUnwindInfo::BinarySearchCompressedSecondPage().

UNWIND_SECOND_LEVEL_COMPRESSED

#define UNWIND_SECOND_LEVEL_COMPRESSED   3

Definition at line 145 of file CompactUnwindInfo.cpp.

Referenced by lldb_private::CompactUnwindInfo::GetCompactUnwindInfoForFunction().

UNWIND_SECOND_LEVEL_REGULAR

#define UNWIND_SECOND_LEVEL_REGULAR   2

Definition at line 141 of file CompactUnwindInfo.cpp.

Referenced by lldb_private::CompactUnwindInfo::GetCompactUnwindInfoForFunction().

Enumeration Type Documentation

arm64_eh_regnum

enum arm64_eh_regnum

Enumerator
x19
x20
x21
x22
x23
x24
x25
x26
x27
x28
fp
ra
sp
pc
v8
v9
v10
v11
v12
v13
v14
v15

Definition at line 1225 of file CompactUnwindInfo.cpp.

arm_eh_regnum

enum arm_eh_regnum

Enumerator
arm_r0
arm_r1
arm_r2
arm_r3
arm_r4
arm_r5
arm_r6
arm_r7
arm_r8
arm_r9
arm_r10
arm_r11
arm_r12
arm_sp
arm_lr
arm_pc
arm_d0
arm_d1
arm_d2
arm_d3
arm_d4
arm_d5
arm_d6
arm_d7
arm_d8
arm_d9
arm_d10
arm_d11
arm_d12
arm_d13
arm_d14

Definition at line 1257 of file CompactUnwindInfo.cpp.

i386_eh_regnum

enum i386_eh_regnum

Enumerator
eax
ecx
edx
ebx
ebp
esp
esi
edi
eip

Definition at line 967 of file CompactUnwindInfo.cpp.

x86_64_eh_regnum

enum x86_64_eh_regnum

Enumerator
rax
rdx
rcx
rbx
rsi
rdi
rbp
rsp
r8
r9
r10
r11
r12
r13
r14
r15
rip

Definition at line 692 of file CompactUnwindInfo.cpp.

Function Documentation

translate_to_eh_frame_regnum_i386()

uint32_t translate_to_eh_frame_regnum_i386

(

uint32_t

unwind_regno

)

Definition at line 982 of file CompactUnwindInfo.cpp.

References ebp, ebx, ecx, edi, edx, esi, LLDB_INVALID_REGNUM, lldb_private::UNWIND_X86_REG_EBP, lldb_private::UNWIND_X86_REG_EBX, lldb_private::UNWIND_X86_REG_ECX, lldb_private::UNWIND_X86_REG_EDI, lldb_private::UNWIND_X86_REG_EDX, and lldb_private::UNWIND_X86_REG_ESI.

Referenced by lldb_private::CompactUnwindInfo::CreateUnwindPlan_i386().

translate_to_eh_frame_regnum_x86_64()

uint32_t translate_to_eh_frame_regnum_x86_64

(

uint32_t

unwind_regno

)

Definition at line 715 of file CompactUnwindInfo.cpp.

References LLDB_INVALID_REGNUM, r12, r13, r14, r15, rbp, rbx, lldb_private::UNWIND_X86_64_REG_R12, lldb_private::UNWIND_X86_64_REG_R13, lldb_private::UNWIND_X86_64_REG_R14, lldb_private::UNWIND_X86_64_REG_R15, lldb_private::UNWIND_X86_64_REG_RBP, and lldb_private::UNWIND_X86_64_REG_RBX.

Referenced by lldb_private::CompactUnwindInfo::CreateUnwindPlan_x86_64().