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