| ## Check how we report warnings when dumping an object with broken relocations. |
| |
| # RUN: yaml2obj %s -o %t64 |
| # RUN: llvm-readobj --relocations %t64 2>&1 | FileCheck %s -DFILE=%t64 --check-prefix=LLVM |
| # RUN: llvm-readelf --relocations %t64 2>&1 | FileCheck %s -DFILE=%t64 --check-prefix=GNU |
| |
| # LLVM: Relocations [ |
| # LLVM-NEXT: Section (3) .rel.text { |
| # LLVM-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_REL section with index 3: unable to read an entry with index 4278124286 from SHT_SYMTAB section with index 6: can't read an entry at 0x17e7e7e7d0: it goes past the end of the section (0x90) |
| # LLVM-NEXT: warning: '[[FILE]]': unable to print relocation 1 in SHT_REL section with index 3: unable to read an entry with index 4278124286 from SHT_SYMTAB section with index 6: can't read an entry at 0x17e7e7e7d0: it goes past the end of the section (0x90) |
| # LLVM-NEXT: 0x2 R_X86_64_NONE -{{$}} |
| # LLVM-NEXT: 0x3 R_X86_64_NONE .sec.symbol1{{$}} |
| # LLVM-NEXT: warning: '[[FILE]]': invalid section index: 255 |
| # LLVM-NEXT: 0x4 R_X86_64_NONE <section 255>{{$}} |
| # LLVM-NEXT: 0x5 R_X86_64_NONE .sec.symbol2{{$}} |
| # LLVM-NEXT: warning: '[[FILE]]': a section [index 2] has an invalid sh_name (0xfefefefe) offset which goes past the end of the section name string table |
| # LLVM-NEXT: 0x6 R_X86_64_NONE <section 2>{{$}} |
| # LLVM-NEXT: } |
| # LLVM-NEXT: Section (4) .rela.text { |
| # LLVM-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_RELA section with index 4: invalid sh_type for symbol table, expected SHT_SYMTAB or SHT_DYNSYM |
| # LLVM-NEXT: } |
| # LLVM-NEXT: ] |
| |
| # GNU: Relocation section '.rel.text' at offset 0x41 contains 7 entries: |
| # GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name |
| # GNU-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_REL section with index 3: unable to read an entry with index 4278124286 from SHT_SYMTAB section with index 6: can't read an entry at 0x17e7e7e7d0: it goes past the end of the section (0x90) |
| # GNU-NEXT: warning: '[[FILE]]': unable to print relocation 1 in SHT_REL section with index 3: unable to read an entry with index 4278124286 from SHT_SYMTAB section with index 6: can't read an entry at 0x17e7e7e7d0: it goes past the end of the section (0x90) |
| # GNU-NEXT: 0000000000000002 0000000000000000 R_X86_64_NONE |
| # GNU-NEXT: 0000000000000003 0000000200000000 R_X86_64_NONE 0000000000000000 .sec.symbol1 |
| # GNU-NEXT: warning: '[[FILE]]': invalid section index: 255 |
| # GNU-NEXT: 0000000000000004 0000000400000000 R_X86_64_NONE 0000000000000000 <section 255> |
| # GNU-NEXT: 0000000000000005 0000000300000000 R_X86_64_NONE 0000000000000000 .sec.symbol2 |
| # GNU-NEXT: warning: '[[FILE]]': a section [index 2] has an invalid sh_name (0xfefefefe) offset which goes past the end of the section name string table |
| # GNU-NEXT: 0000000000000006 0000000500000000 R_X86_64_NONE 0000000000000000 <section 2> |
| # GNU-EMPTY: |
| # GNU-NEXT: Relocation section '.rela.text' at offset 0xb1 contains 1 entries: |
| # GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend |
| # GNU-NEXT: warning: '[[FILE]]': unable to print relocation 0 in SHT_RELA section with index 4: invalid sh_type for symbol table, expected SHT_SYMTAB or SHT_DYNSYM |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_REL |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .text |
| Type: SHT_PROGBITS |
| Content: '00' |
| - Name: .foo |
| Type: SHT_PROGBITS |
| ShName: 0xFEFEFEFE |
| - Name: .rel.text |
| Type: SHT_REL |
| Info: .text |
| Relocations: |
| ## Case 1: There is no symbol with index 0xFEFEFEFE. |
| - Symbol: 0xFEFEFEFE |
| Type: R_X86_64_NONE |
| - Symbol: 0xFEFEFEFE |
| Type: R_X86_64_NONE |
| ## Case 2: Test that no warning is reported for a relocation against a symbol with index 0. |
| - Offset: 0x2 |
| Symbol: 0 |
| Type: R_X86_64_NONE |
| ## Case 3: Test a relocation against a named section symbol that has an invalid |
| ## section index (larger than the number of sections). |
| - Offset: 0x3 |
| Symbol: .sec.symbol1 |
| Type: R_X86_64_NONE |
| ## Case 4: Test a relocation against an unnamed section symbol that has an invalid |
| ## section index (larger than the number of sections). |
| - Offset: 0x4 |
| Symbol: 4 |
| Type: R_X86_64_NONE |
| ## Case 4: Test a relocation against a named section symbol with a section with an invalid |
| ## sh_name offset that goes past the end of the section name string table. |
| - Offset: 0x5 |
| Symbol: .sec.symbol2 |
| Type: R_X86_64_NONE |
| ## Case 5: Test a relocation against an unnamed section symbol with a section with an invalid |
| ## sh_name offset that goes past the end of the section name string table. |
| - Offset: 0x6 |
| Symbol: 5 |
| Type: R_X86_64_NONE |
| ## Case 6: Test a relocation in a section that is linked to a symbol table that |
| ## has a section type that is neither SHT_SYMTAB nor SHT_DYNSYM. |
| ## In this case the code fails to find a corresponding symbol string table. |
| - Name: .rela.text |
| Type: SHT_RELA |
| Info: .text |
| Link: .fake.symtab |
| Relocations: |
| - Offset: 0x7 |
| Symbol: symbol |
| Type: R_X86_64_NONE |
| - Name: .fake.symtab |
| Type: SHT_PROGBITS |
| EntSize: 24 |
| Size: 48 |
| Symbols: |
| - Name: symbol |
| Section: .text |
| Value: 0 |
| - Name: .sec.symbol1 |
| Type: STT_SECTION |
| Index: 0xFF |
| - Name: .sec.symbol2 |
| Type: STT_SECTION |
| Index: 0x2 |
| - Type: STT_SECTION |
| Index: 0xFF |
| - Type: STT_SECTION |
| Index: 0x2 |
