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