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112 lines
3.3 KiB
112 lines
3.3 KiB
4 months ago
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## Show that references in disassembly are labelled with the correct symbol.
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# RUN: yaml2obj %s --docnum=1 -o %t
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# RUN: llvm-objdump %t -d | FileCheck %s --check-prefix=EXEC
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# EXEC-LABEL: <first>:
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# EXEC-NEXT: 4000: e8 00 00 00 00 callq 0x4005 <third>
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# EXEC-LABEL: <third>:
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# EXEC-NEXT: 4005: e8 12 34 56 78 callq 0x7856741c <data1+0x7856241c>
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# EXEC-LABEL: <fourth>:
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# EXEC-NEXT: 400a: 8b 05 f0 0f 00 00 movl 4080(%rip), %eax # 5000 <data1>
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .text1
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Type: SHT_PROGBITS
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Address: 0x4000
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Content: 'e800000000' # Case 1: Referencing an address with a symbol.
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- Name: .text2
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Address: 0x4005
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Content: 'e812345678' # Case 2: Referencing an address without a symbol.
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- Name: .text3
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Address: 0x400A
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Content: '8b05f00f0000' # Case 3: Memory operands
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- Name: .data
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_WRITE]
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Address: 0x5000
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Symbols:
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- Name: first
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Section: .text1
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Value: 0x4000
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- Name: second
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Section: .text1
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Value: 0x4005
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- Name: third
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Section: .text2
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Value: 0x4005
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- Name: fourth
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Section: .text3
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Value: 0x400A
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- Name: data1
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Section: .data
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Value: 0x5000
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# RUN: yaml2obj %s --docnum=2 -o %t.o
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# RUN: llvm-objdump %t.o -d | FileCheck %s --check-prefix=REL
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# REL: Disassembly of section .text1:
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# REL-EMPTY:
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# REL-NEXT: 0000000000000000 <.text1>:
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# REL-NEXT: 0: e8 00 00 00 00 callq 0x5 <.text1+0x5>
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# REL-EMPTY:
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# REL-NEXT: Disassembly of section .text2:
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# REL-EMPTY:
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# REL-NEXT: 0000000000000000 <.text2>:
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# REL-NEXT: 0: e8 00 00 00 00 callq 0x5 <sym2>
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# REL-EMPTY:
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# REL-NEXT: Disassembly of section .text3:
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# REL-EMPTY:
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# REL-NEXT: 0000000000000000 <.text3>:
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# REL-NEXT: 0: e8 00 00 00 00 callq 0x5 <.text3+0x5>
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_REL
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Machine: EM_X86_64
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Sections:
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- Name: .text1
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Content: 'e800000000' # Case 1: Instruction is patched by a relocation.
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- Name: .rela.text1
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Type: SHT_RELA
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Info: .text1
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Relocations:
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- Offset: 1
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Type: R_X86_64_PC32
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Symbol: sym3
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- Name: .text2
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Content: 'e800000000' # Case 2: Referencing an address with a matching symbol in that section.
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- Name: .text3
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Type: SHT_PROGBITS
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Flags: [SHF_ALLOC, SHF_EXECINSTR]
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Content: 'e800000000' # Case 3: Referencing an address without a matching symbol in that section.
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- Name: .other
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Type: SHT_PROGBITS
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Symbols:
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# Shouldn't be picked, despite matching value, as not in right section.
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- Name: sym1
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Section: .other
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Value: 5
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# Symbol in correct section, with right value should be picked for disassembly of .text2.
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- Name: sym2
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Section: .text2
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Value: 5
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# Symbol referenced by relocation could be picked for disassembly of .text1, but isn't.
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- Name: sym3
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