# If the offset and/or size fields of the PT_DYNAMIC field become corrupted, # we should report a sensible message. # Creating such a malformed file is hard. The easiest way to simulate it is to # truncate the file. Note that the section headers must first be stripped or # llvm-readobj will fail to parse the file due to the section header table # offset pointing outside the file. # RUN: yaml2obj %s -o %t.base # RUN: llvm-objcopy --strip-sections %t.base %t.stripped # Test case where the size is too large to fit in the file, but the start is # within the file. # RUN: cp %t.stripped %t.truncated1 # RUN: %python -c "with open(r'%t.truncated1', 'r+') as f: f.truncate(0x1001)" # RUN: llvm-readobj %t.truncated1 --dynamic-table 2>&1 | FileCheck -DFILE=%t.truncated1 %s # Test case where the offset is too large to be in the file. # RUN: cp %t.stripped %t.truncated2 # RUN: %python -c "with open(r'%t.truncated2', 'r+') as f: f.truncate(0xFFF)" # RUN: llvm-readobj %t.truncated2 --dynamic-table 2>&1 | FileCheck -DFILE=%t.truncated2 %s # CHECK: warning: '[[FILE]]': PT_DYNAMIC segment offset + size exceeds the size of the file --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Machine: EM_X86_64 Sections: - Name: .dynamic Type: SHT_DYNAMIC Address: 0x1000 AddressAlign: 0x1000 Entries: - Tag: DT_NULL Value: 0 ProgramHeaders: - Type: PT_LOAD VAddr: 0x1000 Sections: - Section: .dynamic - Type: PT_DYNAMIC VAddr: 0x1000 Sections: - Section: .dynamic