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## Here we want to check that llvm-objcopy removes an undefined symbol
## if all references to it have been stripped.
# RUN: yaml2obj --docnum=1 %s -o %t.o
# RUN: llvm-objcopy -j .other.section %t.o %t2.o
# RUN: llvm-readobj --symbols %t2.o | FileCheck %s
# RUN: llvm-objcopy -j .text -j .rela.text1 %t.o %t2.o
# RUN: llvm-readobj --symbols %t2.o | FileCheck %s --check-prefix=BAR
# CHECK-NOT: Name: bar
# BAR: Name: bar
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .text
Type: SHT_PROGBITS
- Name: .rela.text1
Type: SHT_RELA
Relocations:
- Offset: 0x0000000000000001
Symbol: bar
Type: R_X86_64_32
- Name: .rela.text2
Type: SHT_RELA
Relocations:
- Offset: 0x0000000000000001
Symbol: bar
Type: R_X86_64_32
- Name: .other.section
Type: SHT_PROGBITS
Symbols:
- Name: bar
Binding: STB_GLOBAL
...
## Check we remove unreferenced undefined symbols, even if
## they weren't previously referenced. This follows GNU.
# RUN: yaml2obj --docnum=2 %s -o %t.o
# RUN: llvm-objcopy -j .keep_me %t.o %t2.o
# RUN: llvm-readobj --symbols %t2.o | FileCheck %s
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Sections:
- Name: .keep_me
Type: SHT_PROGBITS
Symbols:
- Name: bar
Binding: STB_GLOBAL
...
|
