1## If the e_shoff field is set to a value either past the end of the file, or 2## such that e_shoff + e_shnum * sizeof(Elf_Shdr) is past the end of the file, 3## we should emit an error. This test checks that the emitted error is sensible. 4 5# RUN: yaml2obj %s -o %t.o 6# RUN: cp %t.o %t2.o 7 8## Sanity check that the section header table is at offset 64: 9# RUN: llvm-readobj --file-headers %t.o | FileCheck %s --check-prefix=VALIDATE 10# VALIDATE: SectionHeaderOffset: 0x80{{$}} 11 12## Truncate the file to end before the section header table ends. 13# RUN: %python -c "with open('%/t.o', 'r+b') as input: input.truncate(0x7f)" 14# RUN: not llvm-objcopy %t.o 2>&1 | FileCheck %s -DINPUT=%t.o --check-prefix=CASE1 15 16# CASE1: error: '[[INPUT]]': section header table goes past the end of the file: e_shoff = 0x80 17 18## Set the e_shoff field to a value much larger than the object file size. 19# RUN: %python -c "with open('%/t2.o', 'r+b') as input: import struct; bytes = struct.pack('<Q', 0x40000000); input.seek(40); input.write(bytes)" 20# RUN: not llvm-objcopy %t2.o 2>&1 | FileCheck %s -DINPUT=%t2.o --check-prefix=CASE2 21 22--- !ELF 23FileHeader: 24 Class: ELFCLASS64 25 Data: ELFDATA2LSB 26 Type: ET_EXEC 27 Machine: EM_X86_64 28Sections: 29 - Name: .foo 30 Type: SHT_PROGBITS 31Symbols: [] 32 33# CASE2: error: '[[INPUT]]': section header table goes past the end of the file: e_shoff = 0x40000000 34