539 lines
25 KiB
Plaintext
539 lines
25 KiB
Plaintext
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## Check llvm-readobj and llvm-readelf print relocations as expected.
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## Show that ELF64 is dumped correctly.
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# RUN: yaml2obj %s --docnum=1 -o %t64
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# RUN: llvm-readobj -r %t64 \
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# RUN: | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines
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# RUN: llvm-readobj --relocs %t64 \
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# RUN: | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines
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# RUN: llvm-readobj --relocations %t64 \
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# RUN: | FileCheck %s --check-prefix=LLVM-64 --strict-whitespace --match-full-lines
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# LLVM-64:Relocations [
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# LLVM-64-NEXT: Section (2) .rel.text {
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# LLVM-64-NEXT: 0x0 R_X86_64_NONE rel_0
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# LLVM-64-NEXT: 0x1 R_X86_64_PC32 rel_neg
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# LLVM-64-NEXT: 0x5 R_X86_64_PLT32 rel_pos
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# LLVM-64-NEXT: 0x9 R_X86_64_64 rel_64
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# LLVM-64-NEXT: }
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# LLVM-64-NEXT: Section (3) .rela.text {
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# LLVM-64-NEXT: 0x0 R_X86_64_NONE rela_0 0x0
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# LLVM-64-NEXT: 0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
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# LLVM-64-NEXT: 0x5 R_X86_64_PLT32 rela_pos 0x2
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# LLVM-64-NEXT: 0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
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# LLVM-64-NEXT: 0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
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# LLVM-64-NEXT: }
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# LLVM-64-NEXT:]
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# RUN: llvm-readelf -r %t64 \
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# RUN: | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines
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# RUN: llvm-readelf --relocs %t64 \
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# RUN: | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines
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# RUN: llvm-readelf --relocations %t64 \
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# RUN: | FileCheck %s --check-prefix=GNU-64 --strict-whitespace --match-full-lines
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# GNU-64:Relocation section '.rel.text' at offset 0x51 contains 4 entries:
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# GNU-64-NEXT: Offset Info Type Symbol's Value Symbol's Name
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# GNU-64-NEXT:0000000000000000 0000000100000000 R_X86_64_NONE 0000000000000000 rel_0
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# GNU-64-NEXT:0000000000000001 0000000200000002 R_X86_64_PC32 0000000000000001 rel_neg
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# GNU-64-NEXT:0000000000000005 0000000300000004 R_X86_64_PLT32 0000000000000002 rel_pos
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# GNU-64-NEXT:0000000000000009 0000000400000001 R_X86_64_64 ffffffffffffffff rel_64
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# GNU-64-EMPTY:
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# GNU-64-NEXT:Relocation section '.rela.text' at offset 0x91 contains 5 entries:
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# GNU-64-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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# GNU-64-NEXT:0000000000000000 0000000500000000 R_X86_64_NONE 0000000000000000 rela_0 + 0
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# GNU-64-NEXT:0000000000000001 0000000600000002 R_X86_64_PC32 0000000000000001 rela_neg - 1
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# GNU-64-NEXT:0000000000000005 0000000700000004 R_X86_64_PLT32 0000000000000002 rela_pos + 2
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# GNU-64-NEXT:ffffffffffffffff 0000000800000001 R_X86_64_64 0000000000000003 rela_minneg - 8000000000000000
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# GNU-64-NEXT:0000000000000009 000000090000000b R_X86_64_32S ffffffffffffffff rela_maxpos + 7fffffffffffffff
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## Show that --expand-relocs expands the relocation dump for LLVM style only
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## (and not GNU).
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# RUN: llvm-readobj -r --expand-relocs %t64 \
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# RUN: | FileCheck %s --check-prefix=LLVM-EXPAND-64 --match-full-lines --strict-whitespace
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# RUN: llvm-readelf -r --expand-relocs %t64 \
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# RUN: | FileCheck %s --check-prefix=GNU-64 --match-full-lines --strict-whitespace
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# LLVM-EXPAND-64:Relocations [
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# LLVM-EXPAND-64-NEXT: Section (2) .rel.text {
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x0
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_NONE (0)
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# LLVM-EXPAND-64-NEXT: Symbol: rel_0 (1)
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x1
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_PC32 (2)
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# LLVM-EXPAND-64-NEXT: Symbol: rel_neg (2)
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x5
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_PLT32 (4)
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# LLVM-EXPAND-64-NEXT: Symbol: rel_pos (3)
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x9
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_64 (1)
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# LLVM-EXPAND-64-NEXT: Symbol: rel_64 (4)
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Section (3) .rela.text {
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x0
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_NONE (0)
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# LLVM-EXPAND-64-NEXT: Symbol: rela_0 (5)
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# LLVM-EXPAND-64-NEXT: Addend: 0x0
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x1
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_PC32 (2)
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# LLVM-EXPAND-64-NEXT: Symbol: rela_neg (6)
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# LLVM-EXPAND-64-NEXT: Addend: 0xFFFFFFFFFFFFFFFF
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x5
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_PLT32 (4)
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# LLVM-EXPAND-64-NEXT: Symbol: rela_pos (7)
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# LLVM-EXPAND-64-NEXT: Addend: 0x2
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0xFFFFFFFFFFFFFFFF
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_64 (1)
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# LLVM-EXPAND-64-NEXT: Symbol: rela_minneg (8)
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# LLVM-EXPAND-64-NEXT: Addend: 0x8000000000000000
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: Relocation {
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# LLVM-EXPAND-64-NEXT: Offset: 0x9
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# LLVM-EXPAND-64-NEXT: Type: R_X86_64_32S (11)
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# LLVM-EXPAND-64-NEXT: Symbol: rela_maxpos (9)
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# LLVM-EXPAND-64-NEXT: Addend: 0x7FFFFFFFFFFFFFFF
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT: }
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# LLVM-EXPAND-64-NEXT:]
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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: .text
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Type: SHT_PROGBITS
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Content: '00FFFFFFFF020000001234567890ABCDEF'
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- Name: .rel.text
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Type: SHT_REL
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Info: .text
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Link: [[LINK=.symtab]]
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ShName: [[SHNAME=<none>]]
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EntSize: [[ENTSIZEREL=<none>]]
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Relocations:
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- Symbol: rel_0
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Type: R_X86_64_NONE
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- Offset: 0x1
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Symbol: rel_neg
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Type: R_X86_64_PC32
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- Offset: 0x5
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Symbol: rel_pos
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Type: R_X86_64_PLT32
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- Offset: 0x9
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Symbol: rel_64
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Type: R_X86_64_64
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- Name: .rela.text
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Type: SHT_RELA
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Info: .text
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Link: [[LINK=.symtab]]
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ShName: [[SHNAME=<none>]]
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EntSize: [[ENTSIZERELA=<none>]]
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Relocations:
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- Symbol: rela_0
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Type: R_X86_64_NONE
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Addend: 0
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- Offset: 0x1
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Symbol: rela_neg
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Type: R_X86_64_PC32
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Addend: -1
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- Offset: 0x5
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Symbol: rela_pos
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Type: R_X86_64_PLT32
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Addend: 2
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- Offset: 0xFFFFFFFFFFFFFFFF
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Symbol: rela_minneg
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Type: R_X86_64_64
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Addend: -9223372036854775808 ## Min 64-bit signed.
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- Offset: 0x9
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Symbol: rela_maxpos
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Type: R_X86_64_32S
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Addend: 9223372036854775807 ## Max 64-bit signed.
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Symbols:
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- Name: rel_0
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Section: .text
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Value: 0
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- Name: rel_neg
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Section: .text
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Value: 1
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- Name: rel_pos
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Section: .text
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Value: 2
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- Name: rel_64
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Section: .text
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Value: 0xFFFFFFFFFFFFFFFF
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- Name: rela_0
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Section: .text
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Value: 0
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- Name: rela_neg
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Section: .text
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Value: 1
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- Name: rela_pos
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Section: .text
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Value: 2
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- Name: rela_minneg
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Section: .text
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Value: 3
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- Name: rela_maxpos
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Section: .text
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Value: 0xFFFFFFFFFFFFFFFF
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## Check we report a warning when we are unable to dump relocations for a section.
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## Check we continue dumping other relocation sections if any.
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## Case A: check the case when relocations can't be read from an SHT_REL section.
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## because of broken sh_entsize field.
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# RUN: yaml2obj %s --docnum=1 -DENTSIZEREL=1 -o %t.broken.rel
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# RUN: llvm-readobj --relocations %t.broken.rel 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.rel --check-prefix=BROKEN-REL-LLVM
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# RUN: llvm-readelf --relocations %t.broken.rel 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.rel --check-prefix=BROKEN-REL-GNU
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# BROKEN-REL-LLVM: Relocations [
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# BROKEN-REL-LLVM-NEXT: Section (2) .rel.text {
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# BROKEN-REL-LLVM-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_REL section with index 2: section [index 2] has invalid sh_entsize: expected 16, but got 1
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# BROKEN-REL-LLVM-NEXT: }
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# BROKEN-REL-LLVM-NEXT: Section (3) .rela.text {
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# BROKEN-REL-LLVM-NEXT: 0x0 R_X86_64_NONE rela_0 0x0
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# BROKEN-REL-LLVM-NEXT: 0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
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# BROKEN-REL-LLVM-NEXT: 0x5 R_X86_64_PLT32 rela_pos 0x2
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# BROKEN-REL-LLVM-NEXT: 0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
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# BROKEN-REL-LLVM-NEXT: 0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
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# BROKEN-REL-LLVM-NEXT: }
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# BROKEN-REL-LLVM-NEXT: ]
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# BROKEN-REL-GNU: Relocation section '.rel.text' at offset 0x51 contains 64 entries:
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# BROKEN-REL-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
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# BROKEN-REL-GNU-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_REL section with index 2: section [index 2] has invalid sh_entsize: expected 16, but got 1
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# BROKEN-REL-GNU: Relocation section '.rela.text' at offset 0x91 contains 5 entries:
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# BROKEN-REL-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
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# BROKEN-REL-GNU-NEXT: 0000000000000000 0000000500000000 R_X86_64_NONE 0000000000000000 rela_0 + 0
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# BROKEN-REL-GNU-NEXT: 0000000000000001 0000000600000002 R_X86_64_PC32 0000000000000001 rela_neg - 1
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# BROKEN-REL-GNU-NEXT: 0000000000000005 0000000700000004 R_X86_64_PLT32 0000000000000002 rela_pos + 2
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# BROKEN-REL-GNU-NEXT: ffffffffffffffff 0000000800000001 R_X86_64_64 0000000000000003 rela_minneg - 8000000000000000
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# BROKEN-REL-GNU-NEXT: 0000000000000009 000000090000000b R_X86_64_32S ffffffffffffffff rela_maxpos + 7fffffffffffffff
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## Case B: check the case when relocations can't be read from an SHT_RELA section.
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## because of broken sh_entsize field.
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# RUN: yaml2obj %s --docnum=1 -DENTSIZERELA=1 -o %t.broken.rela
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# RUN: llvm-readobj --relocations %t.broken.rela 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.rela --check-prefix=BROKEN-RELA-LLVM
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# RUN: llvm-readelf --relocations %t.broken.rela 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.rela --check-prefix=BROKEN-RELA-GNU
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# BROKEN-RELA-LLVM: Relocations [
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# BROKEN-RELA-LLVM-NEXT: Section (2) .rel.text {
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# BROKEN-RELA-LLVM-NEXT: 0x0 R_X86_64_NONE rel_0{{$}}
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# BROKEN-RELA-LLVM-NEXT: 0x1 R_X86_64_PC32 rel_neg{{$}}
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# BROKEN-RELA-LLVM-NEXT: 0x5 R_X86_64_PLT32 rel_pos{{$}}
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# BROKEN-RELA-LLVM-NEXT: 0x9 R_X86_64_64 rel_64{{$}}
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# BROKEN-RELA-LLVM-NEXT: }
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# BROKEN-RELA-LLVM-NEXT: Section (3) .rela.text {
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# BROKEN-RELA-LLVM-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_RELA section with index 3: section [index 3] has invalid sh_entsize: expected 24, but got 1
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# BROKEN-RELA-LLVM-NEXT: }
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# BROKEN-RELA-LLVM-NEXT: ]
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# BROKEN-RELA-GNU: Relocation section '.rel.text' at offset 0x51 contains 4 entries:
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# BROKEN-RELA-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
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# BROKEN-RELA-GNU-NEXT: 0000000000000000 0000000100000000 R_X86_64_NONE 0000000000000000 rel_0
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# BROKEN-RELA-GNU-NEXT: 0000000000000001 0000000200000002 R_X86_64_PC32 0000000000000001 rel_neg
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# BROKEN-RELA-GNU-NEXT: 0000000000000005 0000000300000004 R_X86_64_PLT32 0000000000000002 rel_pos
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# BROKEN-RELA-GNU-NEXT: 0000000000000009 0000000400000001 R_X86_64_64 ffffffffffffffff rel_64
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# BROKEN-RELA-GNU-EMPTY:
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# BROKEN-RELA-GNU-NEXT: Relocation section '.rela.text' at offset 0x91 contains 120 entries:
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# BROKEN-RELA-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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# BROKEN-RELA-GNU-NEXT: warning: '[[FILE]]': unable to read relocations from SHT_RELA section with index 3: section [index 3] has invalid sh_entsize: expected 24, but got 1
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## Case C: check the case when relocations can't be read from SHT_REL/SHT_RELA sections
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## because of broken sh_link fields.
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# RUN: yaml2obj %s --docnum=1 -DLINK=0xffff -o %t.broken.link
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# RUN: llvm-readobj --relocations %t.broken.link 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.link --check-prefix=BROKEN-LINK-LLVM
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# RUN: llvm-readelf --relocations %t.broken.link 2>&1 \
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# RUN: | FileCheck %s -DFILE=%t.broken.link --check-prefix=BROKEN-LINK-GNU
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# BROKEN-LINK-LLVM: Relocations [
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# BROKEN-LINK-LLVM-NEXT: Section (2) .rel.text {
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|
|
# BROKEN-LINK-LLVM-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_REL section with index 2: invalid section index: 65535
|
||
|
|
# BROKEN-LINK-LLVM-NEXT: }
|
||
|
|
# BROKEN-LINK-LLVM-NEXT: Section (3) .rela.text {
|
||
|
|
# BROKEN-LINK-LLVM-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_RELA section with index 3: invalid section index: 65535
|
||
|
|
# BROKEN-LINK-LLVM-NEXT: }
|
||
|
|
# BROKEN-LINK-LLVM-NEXT: ]
|
||
|
|
|
||
|
|
# BROKEN-LINK-GNU: Relocation section '.rel.text' at offset 0x51 contains 4 entries:
|
||
|
|
# BROKEN-LINK-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name
|
||
|
|
# BROKEN-LINK-GNU-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_REL section with index 2: invalid section index: 65535
|
||
|
|
# BROKEN-LINK-GNU-EMPTY:
|
||
|
|
# BROKEN-LINK-GNU-NEXT: Relocation section '.rela.text' at offset 0x91 contains 5 entries:
|
||
|
|
# BROKEN-LINK-GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
|
||
|
|
# BROKEN-LINK-GNU-NEXT: warning: '[[FILE]]': unable to locate a symbol table for SHT_RELA section with index 3: invalid section index: 65535
|
||
|
|
|
||
|
|
## Show that ELF32 is dumped correctly.
|
||
|
|
# RUN: yaml2obj %s --docnum=2 -o %t32
|
||
|
|
# RUN: llvm-readobj -r %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines
|
||
|
|
# RUN: llvm-readobj --relocs %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines
|
||
|
|
# RUN: llvm-readobj --relocations %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=LLVM-32 --strict-whitespace --match-full-lines
|
||
|
|
|
||
|
|
# LLVM-32:Relocations [
|
||
|
|
# LLVM-32-NEXT: Section (2) .rel.text {
|
||
|
|
# LLVM-32-NEXT: 0x0 R_386_NONE rel_0
|
||
|
|
# LLVM-32-NEXT: 0x1 R_386_PC32 rel_neg
|
||
|
|
# LLVM-32-NEXT: 0x5 R_386_PLT32 rel_pos
|
||
|
|
# LLVM-32-NEXT: }
|
||
|
|
# LLVM-32-NEXT: Section (3) .rela.text {
|
||
|
|
# LLVM-32-NEXT: 0x0 R_386_NONE rela_0 0x0
|
||
|
|
# LLVM-32-NEXT: 0x1 R_386_PC32 rela_neg 0xFFFFFFFF
|
||
|
|
# LLVM-32-NEXT: 0x5 R_386_PLT32 rela_pos 0x2
|
||
|
|
# LLVM-32-NEXT: 0xFFFFFFFF R_386_32 rela_minneg 0x80000000
|
||
|
|
# LLVM-32-NEXT: 0x9 R_386_GOT32 rela_maxpos 0x7FFFFFFF
|
||
|
|
# LLVM-32-NEXT: }
|
||
|
|
# LLVM-32-NEXT:]
|
||
|
|
|
||
|
|
# RUN: llvm-readelf -r %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
|
||
|
|
# RUN: llvm-readelf --relocs %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
|
||
|
|
# RUN: llvm-readelf --relocations %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
|
||
|
|
|
||
|
|
# GNU-32:Relocation section '.rel.text' at offset 0x3d contains 3 entries:
|
||
|
|
# GNU-32-NEXT: Offset Info Type Sym. Value Symbol's Name
|
||
|
|
# GNU-32-NEXT:00000000 00000100 R_386_NONE 00000000 rel_0
|
||
|
|
# GNU-32-NEXT:00000001 00000202 R_386_PC32 00000001 rel_neg
|
||
|
|
# GNU-32-NEXT:00000005 00000304 R_386_PLT32 ffffffff rel_pos
|
||
|
|
# GNU-32-EMPTY:
|
||
|
|
# GNU-32-NEXT:Relocation section '.rela.text' at offset 0x55 contains 5 entries:
|
||
|
|
# GNU-32-NEXT: Offset Info Type Sym. Value Symbol's Name + Addend
|
||
|
|
# GNU-32-NEXT:00000000 00000400 R_386_NONE 00000000 rela_0 + 0
|
||
|
|
# GNU-32-NEXT:00000001 00000502 R_386_PC32 00000001 rela_neg - 1
|
||
|
|
# GNU-32-NEXT:00000005 00000604 R_386_PLT32 00000002 rela_pos + 2
|
||
|
|
# GNU-32-NEXT:ffffffff 00000701 R_386_32 00000003 rela_minneg - 80000000
|
||
|
|
# GNU-32-NEXT:00000009 00000803 R_386_GOT32 ffffffff rela_maxpos + 7fffffff
|
||
|
|
|
||
|
|
## Show that --expand-relocs expands the relocation dump for LLVM style only
|
||
|
|
## (and not GNU).
|
||
|
|
# RUN: llvm-readobj -r --expand-relocs %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=LLVM-EXPAND-32 --strict-whitespace --match-full-lines
|
||
|
|
# RUN: llvm-readelf -r --expand-relocs %t32 \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=GNU-32 --strict-whitespace --match-full-lines
|
||
|
|
|
||
|
|
# LLVM-EXPAND-32:Relocations [
|
||
|
|
# LLVM-EXPAND-32-NEXT: Section (2) .rel.text {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x0
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_NONE (0)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rel_0 (1)
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x1
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_PC32 (2)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rel_neg (2)
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x5
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_PLT32 (4)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rel_pos (3)
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Section (3) .rela.text {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x0
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_NONE (0)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rela_0 (4)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Addend: 0x0
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x1
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_PC32 (2)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rela_neg (5)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Addend: 0xFFFFFFFF
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x5
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_PLT32 (4)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rela_pos (6)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Addend: 0x2
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0xFFFFFFFF
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_32 (1)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rela_minneg (7)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Addend: 0x80000000
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: Relocation {
|
||
|
|
# LLVM-EXPAND-32-NEXT: Offset: 0x9
|
||
|
|
# LLVM-EXPAND-32-NEXT: Type: R_386_GOT32 (3)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Symbol: rela_maxpos (8)
|
||
|
|
# LLVM-EXPAND-32-NEXT: Addend: 0x7FFFFFFF
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT: }
|
||
|
|
# LLVM-EXPAND-32-NEXT:]
|
||
|
|
|
||
|
|
--- !ELF
|
||
|
|
FileHeader:
|
||
|
|
Class: ELFCLASS32
|
||
|
|
Data: ELFDATA2LSB
|
||
|
|
Type: ET_REL
|
||
|
|
Machine: EM_386
|
||
|
|
Sections:
|
||
|
|
- Name: .text
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
Content: '00FFFFFFFF02000000'
|
||
|
|
- Name: .rel.text
|
||
|
|
Type: SHT_REL
|
||
|
|
Info: .text
|
||
|
|
Relocations:
|
||
|
|
- Symbol: rel_0
|
||
|
|
Type: R_386_NONE
|
||
|
|
- Offset: 0x1
|
||
|
|
Symbol: rel_neg
|
||
|
|
Type: R_386_PC32
|
||
|
|
- Offset: 0x5
|
||
|
|
Symbol: rel_pos
|
||
|
|
Type: R_386_PLT32
|
||
|
|
- Name: .rela.text
|
||
|
|
Type: SHT_RELA
|
||
|
|
Info: .text
|
||
|
|
Relocations:
|
||
|
|
- Symbol: rela_0
|
||
|
|
Type: R_386_NONE
|
||
|
|
Addend: 0
|
||
|
|
- Offset: 0x1
|
||
|
|
Symbol: rela_neg
|
||
|
|
Type: R_386_PC32
|
||
|
|
Addend: -1
|
||
|
|
- Offset: 0x5
|
||
|
|
Symbol: rela_pos
|
||
|
|
Type: R_386_PLT32
|
||
|
|
Addend: 2
|
||
|
|
- Offset: 0xFFFFFFFF
|
||
|
|
Symbol: rela_minneg
|
||
|
|
Type: R_386_32
|
||
|
|
Addend: -2147483648 ## Min 32-bit signed.
|
||
|
|
- Offset: 0x9
|
||
|
|
Symbol: rela_maxpos
|
||
|
|
Type: R_386_GOT32
|
||
|
|
Addend: 2147483647 ## Max 32-bit signed.
|
||
|
|
Symbols:
|
||
|
|
- Name: rel_0
|
||
|
|
Section: .text
|
||
|
|
Value: 0
|
||
|
|
- Name: rel_neg
|
||
|
|
Section: .text
|
||
|
|
Value: 1
|
||
|
|
- Name: rel_pos
|
||
|
|
Section: .text
|
||
|
|
Value: 0xFFFFFFFF
|
||
|
|
- Name: rela_0
|
||
|
|
Section: .text
|
||
|
|
Value: 0
|
||
|
|
- Name: rela_neg
|
||
|
|
Section: .text
|
||
|
|
Value: 1
|
||
|
|
- Name: rela_pos
|
||
|
|
Section: .text
|
||
|
|
Value: 2
|
||
|
|
- Name: rela_minneg
|
||
|
|
Section: .text
|
||
|
|
Value: 3
|
||
|
|
- Name: rela_maxpos
|
||
|
|
Section: .text
|
||
|
|
Value: 0xFFFFFFFF
|
||
|
|
|
||
|
|
## Check we report a warning when the name of a relocation section can't be read. Check we continue dumping.
|
||
|
|
# RUN: yaml2obj %s --docnum=1 -DSHNAME=0xffffffff -o %tshname
|
||
|
|
# RUN: llvm-readobj --relocs %tshname 2>&1 | FileCheck %s -DFILE=%tshname --check-prefix=LLVM-SHNAME
|
||
|
|
# RUN: llvm-readelf --relocs %tshname 2>&1 | FileCheck %s -DFILE=%tshname --check-prefix=GNU-SHNAME
|
||
|
|
|
||
|
|
# LLVM-SHNAME: Relocations [
|
||
|
|
# LLVM-SHNAME-NEXT: warning: '[[FILE]]': unable to get the name of SHT_REL section with index 2: a section [index 2] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
|
||
|
|
# LLVM-SHNAME-NEXT: Section (2) <?> {
|
||
|
|
# LLVM-SHNAME-NEXT: 0x0 R_X86_64_NONE rel_0{{$}}
|
||
|
|
# LLVM-SHNAME-NEXT: 0x1 R_X86_64_PC32 rel_neg{{$}}
|
||
|
|
# LLVM-SHNAME-NEXT: 0x5 R_X86_64_PLT32 rel_pos{{$}}
|
||
|
|
# LLVM-SHNAME-NEXT: 0x9 R_X86_64_64 rel_64{{$}}
|
||
|
|
# LLVM-SHNAME-NEXT: }
|
||
|
|
# LLVM-SHNAME-NEXT: warning: '[[FILE]]': unable to get the name of SHT_RELA section with index 3: a section [index 3] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
|
||
|
|
# LLVM-SHNAME-NEXT: Section (3) <?> {
|
||
|
|
# LLVM-SHNAME-NEXT: 0x0 R_X86_64_NONE rela_0 0x0
|
||
|
|
# LLVM-SHNAME-NEXT: 0x1 R_X86_64_PC32 rela_neg 0xFFFFFFFFFFFFFFFF
|
||
|
|
# LLVM-SHNAME-NEXT: 0x5 R_X86_64_PLT32 rela_pos 0x2
|
||
|
|
# LLVM-SHNAME-NEXT: 0xFFFFFFFFFFFFFFFF R_X86_64_64 rela_minneg 0x8000000000000000
|
||
|
|
# LLVM-SHNAME-NEXT: 0x9 R_X86_64_32S rela_maxpos 0x7FFFFFFFFFFFFFFF
|
||
|
|
# LLVM-SHNAME-NEXT: }
|
||
|
|
# LLVM-SHNAME-NEXT: ]
|
||
|
|
|
||
|
|
# GNU-SHNAME: warning: '[[FILE]]': unable to get the name of SHT_REL section with index 2: a section [index 2] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
|
||
|
|
# GNU-SHNAME: Relocation section '<?>' at offset 0x51 contains 4 entries:
|
||
|
|
# GNU-SHNAME-NEXT: Offset Info Type Symbol's Value Symbol's Name
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000000 0000000100000000 R_X86_64_NONE 0000000000000000 rel_0
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000001 0000000200000002 R_X86_64_PC32 0000000000000001 rel_neg
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000005 0000000300000004 R_X86_64_PLT32 0000000000000002 rel_pos
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000009 0000000400000001 R_X86_64_64 ffffffffffffffff rel_64
|
||
|
|
# GNU-SHNAME: warning: '[[FILE]]': unable to get the name of SHT_RELA section with index 3: a section [index 3] has an invalid sh_name (0xffffffff) offset which goes past the end of the section name string table
|
||
|
|
# GNU-SHNAME: Relocation section '<?>' at offset 0x91 contains 5 entries:
|
||
|
|
# GNU-SHNAME-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000000 0000000500000000 R_X86_64_NONE 0000000000000000 rela_0 + 0
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000001 0000000600000002 R_X86_64_PC32 0000000000000001 rela_neg - 1
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000005 0000000700000004 R_X86_64_PLT32 0000000000000002 rela_pos + 2
|
||
|
|
# GNU-SHNAME-NEXT: ffffffffffffffff 0000000800000001 R_X86_64_64 0000000000000003 rela_minneg - 8000000000000000
|
||
|
|
# GNU-SHNAME-NEXT: 0000000000000009 000000090000000b R_X86_64_32S ffffffffffffffff rela_maxpos + 7fffffffffffffff
|
||
|
|
|
||
|
|
## Check that we report a warning when a relocation has a
|
||
|
|
## symbol index past the end of the symbol table
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s --docnum=3 -o %t3
|
||
|
|
# RUN: llvm-readobj --relocs %t3 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --implicit-check-not=warning: -DFILE=%t3 --check-prefix=LLVM-SYMNDX
|
||
|
|
# RUN: llvm-readelf --relocs %t3 2>&1 | \
|
||
|
|
# RUN: FileCheck %s --implicit-check-not=warning: -DFILE=%t3 --check-prefix=GNU-SYMNDX
|
||
|
|
|
||
|
|
# LLVM-SYMNDX: Relocations [
|
||
|
|
# LLVM-SYMNDX-NEXT: Section (1) .rela.text {
|
||
|
|
# LLVM-SYMNDX-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_RELA section with index 1: unable to read an entry with index 2 from SHT_SYMTAB section with index 2: can't read an entry at 0x30: it goes past the end of the section (0x30)
|
||
|
|
# LLVM-SYMNDX-NEXT: warning: '[[FILE]]': unable to print relocation 1 in SHT_RELA section with index 1: unable to read an entry with index 3 from SHT_SYMTAB section with index 2: can't read an entry at 0x48: it goes past the end of the section (0x30)
|
||
|
|
# LLVM-SYMNDX-NEXT: }
|
||
|
|
# LLVM-SYMNDX-NEXT: ]
|
||
|
|
|
||
|
|
# GNU-SYMNDX: Relocation section '.rela.text' at offset 0x40 contains 2 entries:
|
||
|
|
# GNU-SYMNDX-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
|
||
|
|
# GNU-SYMNDX-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_RELA section with index 1: unable to read an entry with index 2 from SHT_SYMTAB section with index 2: can't read an entry at 0x30: it goes past the end of the section (0x30)
|
||
|
|
# GNU-SYMNDX-NEXT: warning: '[[FILE]]': unable to print relocation 1 in SHT_RELA section with index 1: unable to read an entry with index 3 from SHT_SYMTAB section with index 2: can't read an entry at 0x48: it goes past the end of the section (0x30)
|
||
|
|
|
||
|
|
--- !ELF
|
||
|
|
FileHeader:
|
||
|
|
Class: ELFCLASS64
|
||
|
|
Data: ELFDATA2LSB
|
||
|
|
Type: ET_DYN
|
||
|
|
Machine: EM_X86_64
|
||
|
|
Sections:
|
||
|
|
- Name: .rela.text
|
||
|
|
Type: SHT_RELA
|
||
|
|
Relocations:
|
||
|
|
- Type: R_X86_64_NONE
|
||
|
|
Symbol: 0x2
|
||
|
|
- Type: R_X86_64_NONE
|
||
|
|
Symbol: 0x3
|
||
|
|
Symbols:
|
||
|
|
- Name: foo
|