122 lines
4.0 KiB
Plaintext
122 lines
4.0 KiB
Plaintext
# Check ARM <=> Thumb interwork.
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# RUN: yaml2obj -format=elf -docnum 1 %s > %t-arm.o
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# RUN: yaml2obj -format=elf -docnum 2 %s > %t-thm.o
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# RUN: lld -flavor old-gnu -target arm -m armelf_linux_eabi -Bstatic \
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# RUN: --noinhibit-exec %t-arm.o %t-thm.o -o %t
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# Check R_ARM_CALL veneer to call Thumb code
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# RUN: llvm-objdump -s -t %t | FileCheck -check-prefix=ARM-CALL %s
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# ARM-CALL: Contents of section .text:
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# ARM-CALL: 400074 00482de9 04b08de2 000000fa 0088bde8
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# offset = 0x0 ^^
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# call site offset PC(arm) _Z2f2v addr
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# 0x40007C + 0x0 + 0x8 = 0x400084
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# ARM-CALL: SYMBOL TABLE:
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# ARM-CALL: 00400074 g F .text {{[0-9a-f]+}} _Z1fv
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# ARM-CALL: 00400084 g F .text {{[0-9a-f]+}} _Z2f2v
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# ARM-CALL: 00400090 g F .text {{[0-9a-f]+}} main
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# Check R_ARM_THM_CALL veneer to call ARM code
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# RUN: llvm-objdump -s -t %t | FileCheck -check-prefix=THM-CALL %s
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# THM-CALL: Contents of section .text:
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# THM-CALL: 400094 00bffff7 eeef0023 184680bd
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# offset = -0x24 ^^
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# call site aligned = Align(0x400096, 4) = 0x400094
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# call site aligned offset PC(thm) _Z1fv addr
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# 0x400094 + (-0x24) + 0x4 = 0x400074
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# THM-CALL: SYMBOL TABLE:
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# THM-CALL: 00400074 g F .text {{[0-9a-f]+}} _Z1fv
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# THM-CALL: 00400084 g F .text {{[0-9a-f]+}} _Z2f2v
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# THM-CALL: 00400090 g F .text {{[0-9a-f]+}} main
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# arm.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_ARM
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Flags: [ EF_ARM_EABI_VER5 ]
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x0000000000000004
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Content: 00482DE904B08DE2FEFFFFEB0088BDE8
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- Name: .rel.text
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Type: SHT_REL
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Link: .symtab
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AddressAlign: 0x0000000000000004
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Info: .text
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Relocations:
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- Offset: 0x0000000000000008
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Symbol: _Z2f2v
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Type: R_ARM_CALL
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Addend: 0
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- Name: .data
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Type: SHT_PROGBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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AddressAlign: 0x0000000000000001
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Content: ''
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- Name: .bss
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Type: SHT_NOBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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AddressAlign: 0x0000000000000001
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Symbols:
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Global:
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- Name: _Z1fv
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Type: STT_FUNC
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Section: .text
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Size: 0x0000000000000010
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- Name: _Z2f2v
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# thm.o
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---
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FileHeader:
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Class: ELFCLASS32
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_ARM
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Flags: [ EF_ARM_EABI_VER5 ]
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Sections:
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- Name: .text
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Type: SHT_PROGBITS
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Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
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AddressAlign: 0x0000000000000004
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Content: 80B400AFBD465DF8047B704780B500AF00BFFFF7FEFF0023184680BD
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- Name: .rel.text
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Type: SHT_REL
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Link: .symtab
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AddressAlign: 0x0000000000000004
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Info: .text
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Relocations:
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- Offset: 0x0000000000000012
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Symbol: _Z1fv
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Type: R_ARM_THM_CALL
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Addend: 0
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- Name: .data
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Type: SHT_PROGBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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AddressAlign: 0x0000000000000001
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Content: ''
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- Name: .bss
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Type: SHT_NOBITS
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Flags: [ SHF_WRITE, SHF_ALLOC ]
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AddressAlign: 0x0000000000000001
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Symbols:
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Global:
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- Name: _Z2f2v
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Type: STT_FUNC
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Section: .text
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Value: 0x0000000000000001
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Size: 0x000000000000000C
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- Name: main
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Type: STT_FUNC
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Section: .text
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Value: 0x000000000000000D
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Size: 0x0000000000000010
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- Name: _Z1fv
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...
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