Files
llvm/test/tools/llvm-objcopy/ELF/symtab-error-on-remove-strtab.test
T
George Rimar 38d4353156 [yaml2obj][obj2yaml] - Do not create a symbol table by default.
This patch tries to resolve problems faced in D68943
and uses some of the code written by Konrad Wilhelm Kleine
in that patch.

Previously, yaml2obj tool always created a .symtab section.
This patch changes that. With it we only create it when
have a "Symbols:" tag in the YAML document or when
we need to create it because it is used by another section(s).

obj2yaml follows the new behavior and does not print "Symbols:"
anymore when there is no symbol table.

Differential revision: https://reviews.llvm.org/D69041

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375361 91177308-0d34-0410-b5e6-96231b3b80d8
2019-10-20 14:47:17 +00:00

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# RUN: yaml2obj %s > %t
# RUN: not llvm-objcopy -R .strtab %t %t2 2>&1 >/dev/null | FileCheck %s --check-prefix=ERR1 -DINPUT=%t
# RUN: cp %t %t3
# RUN: not llvm-strip --no-strip-all -R .strtab %t3 2>&1 >/dev/null | FileCheck %s --check-prefix=ERR2 -DINPUT=%t3
!ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_X86_64
Symbols: []
# ERR1: error: '[[INPUT]]': string table '.strtab' cannot be removed because it is referenced by the symbol table '.symtab'
# ERR2: error: '[[INPUT]]': string table '.strtab' cannot be removed because it is referenced by the symbol table '.symtab'
# RUN: llvm-objcopy --allow-broken-links -R .strtab %t %t4
# RUN: llvm-objdump --section-headers %t4 | FileCheck %s --check-prefix=SECTIONS --implicit-check-not=.strtab
# RUN: cp %t %t5
# RUN: llvm-strip --no-strip-all --allow-broken-links -R .strtab %t %t5
# RUN: llvm-objdump --section-headers %t5 | FileCheck %s --check-prefix=SECTIONS --implicit-check-not=.strtab
# SECTIONS: .symtab