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|
## Check that we dump the unwind information for a non-relocatable input properly.
## Check that we correctly decode function addresses and that we are able to
## locate corresponding STT_FUNC symbols and dump function names properly.
# RUN: yaml2obj %s -o %t
# RUN: llvm-readobj -u %t | FileCheck --check-prefix=UNWIND %s
# RUN: llvm-readelf -u %t | FileCheck --check-prefix=UNWIND %s
# UNWIND: UnwindInformation {
# UNWIND-NEXT: UnwindIndexTable {
# UNWIND-NEXT: SectionIndex: 2
# UNWIND-NEXT: SectionName: .ARM.exidx
# UNWIND-NEXT: SectionOffset: 0x34
# UNWIND-NEXT: Entries [
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x230
# UNWIND-NEXT: FunctionName: func1
# UNWIND-NEXT: Model: Compact (Inline)
# UNWIND-NEXT: PersonalityIndex: 0
# UNWIND-NEXT: Opcodes [
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: ]
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x234
# UNWIND-NEXT: FunctionName: func2
# UNWIND-NEXT: Model: Compact (Inline)
# UNWIND-NEXT: PersonalityIndex: 0
# UNWIND-NEXT: Opcodes [
# UNWIND-NEXT: 0x9B ; vsp = r11
# UNWIND-NEXT: 0x84 0x80 ; pop {fp, lr}
# UNWIND-NEXT: ]
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x248
# UNWIND-NEXT: FunctionName: func3
# UNWIND-NEXT: Model: Compact (Inline)
# UNWIND-NEXT: PersonalityIndex: 0
# UNWIND-NEXT: Opcodes [
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: ]
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x24C
# UNWIND-NEXT: Model: CantUnwind
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x4000026B
# UNWIND-NEXT: FunctionName: func4
# UNWIND-NEXT: Model: Compact (Inline)
# UNWIND-NEXT: PersonalityIndex: 0
# UNWIND-NEXT: Opcodes [
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: 0xB0 ; finish
# UNWIND-NEXT: ]
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x25C
# UNWIND-NEXT: FunctionName: func5
# UNWIND-NEXT: ExceptionHandlingTable: .ARM.extab
# UNWIND-NEXT: TableEntryAddress: 0xAABE44
# UNWIND-NEXT: Model: Generic
# UNWIND-NEXT: PersonalityRoutineAddress: 0x33CCCF44
# UNWIND-NEXT: PersonalityRoutineName: personality1
# UNWIND-NEXT: }
# UNWIND-NEXT: Entry {
# UNWIND-NEXT: FunctionAddress: 0x25C
# UNWIND-NEXT: FunctionName: func5
# UNWIND-NEXT: ExceptionHandlingTable: .ARM.extab
# UNWIND-NEXT: TableEntryAddress: 0xAABE48
# UNWIND-NEXT: Model: Generic
# UNWIND-NEXT: PersonalityRoutineAddress: 0xFFFFFFFFF811138C
# UNWIND-NEXT: }
# UNWIND-NEXT: ]
# UNWIND-NEXT: }
# UNWIND-NEXT: }
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_DYN
Machine: EM_ARM
Sections:
- Name: .text
Type: SHT_PROGBITS
Address: 0x230
- Name: .ARM.exidx
Type: SHT_ARM_EXIDX
Address: 0x24C
Entries:
## A. Address of .ARM.exidx (0x24C) + entry offset (0) + 0x7fffffe4 (31 bit) == 0x230 (func1).
- Offset: 0x7FFFFFE4
Value: 0x80B0B0B0 ## arbitrary opcodes.
## B. Address of .ARM.exidx (0x24C) + entry offset (8) + 0x7fffffe0 (31 bit) == 0x234 (func2).
- Offset: 0x7FFFFFE0
Value: 0x809B8480 ## arbitrary opcodes.
## C. Address of .ARM.exidx (0x24C) + entry offset (16) + 0x7fffffec (31 bit) == 0x248 (func3).
- Offset: 0x7FFFFFEC
Value: 0x80B0B0B0 ## arbitrary opcodes.
## D. Address of .ARM.exidx (0x24C) + entry offset (24) + 0x7fffffe8 (31 bit) == 0x24C.
- Offset: 0x7FFFFFE8
Value: EXIDX_CANTUNWIND
## E. Address of .ARM.exidx (0x24C) + entry offset (32) + 0x3FFFFFFF (31 bit) == 0x4000026b (func4).
- Offset: 0x3FFFFFFF
Value: 0x80B0B0B0 ## arbitrary opcodes.
## F. Address of .ARM.exidx (0x24C) + entry offset (40) + 0x7FFFFFE8 (31 bit) == 0x25c (func5).
- Offset: 0x7FFFFFE8
## Generic model. .ARM.exidx (0x24C) + entry offset (40 + 4) + 0x00AABBCC ==
## 0x00AABE44 == address of entry [0] in the .ARM.extab section.
## 0x00AABE44 + 0x33221100 (31 bit, signed, .ARM.extab entry [0] value) ==
## 0x33cccf44 == personality1 routine address.
Value: 0x00AABBCC
## G. Address of .ARM.exidx (0x24C) + entry offset (48) + 0x7FFFFFE0 (31 bit) == 0x25c (func5).
- Offset: 0x7FFFFFE0
## Generic model. .ARM.exidx (0x24C) + entry offset (48 + 4) + 0x00AABBC8 ==
## 0x00AABE48 == address of entry [1] in the .ARM.extab section.
## 0x00AABE48 + 0x77665544 (31 bit, signed, .ARM.extab entry [1] value) ==
## 0xFFFFFFFFF811138C == the address of a personality routine function that does not exist.
Value: 0x00AABBC8
- Name: .ARM.extab
Type: SHT_PROGBITS
Address: 0x00AABE44
Content: "0011223344556677"
Symbols:
- Name: func1
Type: STT_FUNC
Section: .text
Value: 0x230
- Name: func2
Type: STT_FUNC
Section: .text
Value: 0x234
- Name: func3
Type: STT_FUNC
Section: .text
Value: 0x248
- Name: func4
Type: STT_FUNC
Section: .text
Value: 0x4000026b
- Name: func5
Type: STT_FUNC
Section: .text
Value: 0x25c
- Name: personality1
Type: STT_FUNC
Value: 0x33cccf44
|
