| ## Show that llvm-objcopy can replace the symbol table with a new one. |
| |
| # RUN: yaml2obj %s -o %t |
| |
| # RUN: llvm-objcopy -R .symtab --add-symbol newsym=1234 %t %t2 |
| # RUN: llvm-readelf -S -s %t2 | FileCheck %s --match-full-lines |
| |
| # CHECK: There are 5 section headers, starting at offset {{.+}}: |
| # CHECK: [Nr] Name Type Address Off Size ES Flg Lk Inf Al |
| # CHECK-NEXT: [ 0] NULL 0000000000000000 {{.+}} 000000 00 0 0 0 |
| # CHECK-NEXT: [ 1] .text PROGBITS 0000000000001000 {{.+}} 000040 00 AX 0 0 16 |
| # CHECK-NEXT: [ 2] .strtab STRTAB 0000000000000000 {{.+}} 000001 00 0 0 1 |
| # CHECK-NEXT: [ 3] .shstrtab STRTAB 0000000000000000 {{.+}} 000028 00 0 0 1 |
| # CHECK-NEXT: [ 4] .symtab SYMTAB 0000000000000000 {{.+}} 000030 18 3 1 8 |
| |
| # CHECK: Symbol table '.symtab' contains 2 entries: |
| # CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name |
| # CHECK-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # CHECK-NEXT: 1: 00000000000004d2 0 NOTYPE GLOBAL DEFAULT ABS newsym |
| |
| ## --set-section-flags works for newly created .symtab, which GNU objcopy does not do. |
| # RUN: llvm-objcopy -R .symtab --add-symbol newsym=1234 --set-section-flags .symtab=readonly,exclude %t %t3 |
| # RUN: llvm-readelf -S %t3 | FileCheck %s --check-prefix=CHECK2 |
| |
| # CHECK2: [ 4] .symtab SYMTAB 0000000000000000 {{.+}} 000030 18 E 3 1 8 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_DYN |
| Machine: EM_X86_64 |
| Sections: |
| - Name: .text |
| Type: SHT_PROGBITS |
| Flags: [ SHF_ALLOC, SHF_EXECINSTR ] |
| Address: 0x1000 |
| AddressAlign: 0x0000000000000010 |
| Size: 64 |
| Symbols: |
| - Name: foo |
| Type: STT_FUNC |
| Section: .text |
| Value: 0x1000 |
| Size: 8 |
| - Name: bar |
| Type: STT_FUNC |
| Section: .text |
| Value: 0x1008 |
| Size: 8 |
| - Name: baz |
| Type: STT_FUNC |
| Section: .text |
| Value: 0x1010 |
| Size: 8 |
| |
