## If the e_shoff field is set to a value either past the end of the file, or ## such that e_shoff + e_shnum * sizeof(Elf_Shdr) is past the end of the file, ## we should emit an error. This test checks that the emitted error is sensible. # RUN: yaml2obj %s -o %t.o # RUN: cp %t.o %t2.o ## Validate that the section header table is at offset 64: # RUN: llvm-readobj --file-headers %t.o | FileCheck %s --check-prefix=VALIDATE # VALIDATE: SectionHeaderOffset: 0x80{{$}} ## Truncate the file to end before the section header table ends. # RUN: %python -c "with open('%/t.o', 'r+b') as input: input.truncate(0x7f)" # RUN: not llvm-objcopy %t.o 2>&1 | FileCheck %s -DINPUT=%t.o --check-prefix=CASE1 # CASE1: error: '[[INPUT]]': section header table goes past the end of the file: e_shoff = 0x80 ## Set the e_shoff field to a value much larger than the object file size. # RUN: %python -c "with open('%/t2.o', 'r+b') as input: import struct; bytes = struct.pack('<Q', 0x40000000); input.seek(40); input.write(bytes)" # RUN: not llvm-objcopy %t2.o 2>&1 | FileCheck %s -DINPUT=%t2.o --check-prefix=CASE2 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Machine: EM_X86_64 Sections: - Name: .foo Type: SHT_PROGBITS Symbols: [] # CASE2: error: '[[INPUT]]': section header table goes past the end of the file: e_shoff = 0x40000000