| ## 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 |