34 lines
1.4 KiB
Plaintext
34 lines
1.4 KiB
Plaintext
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## If the e_phoff field is set to a value either past the end of the file, or
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## such that e_phoff + e_phnum * sizeof(Elf_Phdr) is past the end of the file,
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## we should emit an error. This test checks that the emitted error is sensible.
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# RUN: yaml2obj %s -o %t.o
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## Remove the default section headers so that the section header table is not invalid.
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# RUN: llvm-objcopy --strip-sections %t.o
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# RUN: cp %t.o %t2.o
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## Sanity check that the phdr table is at offset 64:
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# RUN: llvm-readobj --file-headers %t.o | FileCheck %s --check-prefix=VALIDATE
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# VALIDATE: ProgramHeaderOffset: 0x40{{$}}
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## Truncate the file to end before the program header table ends.
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# RUN: %python -c "with open('%/t.o', 'r+b') as input: input.truncate(65)"
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# RUN: not llvm-objcopy %t.o 2>&1 | FileCheck %s --check-prefix=CASE1
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# CASE1: error: program headers are longer than binary of size 65: e_phoff = 0x40, e_phnum = 1, e_phentsize = 56
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## Set the e_phoff field to a value much larger than the object file size.
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# RUN: %python -c "with open('%/t2.o', 'r+b') as input: import struct; bytes = struct.pack('<Q', 0x40000000); input.seek(32); input.write(bytes)"
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# RUN: not llvm-objcopy %t2.o 2>&1 | FileCheck %s --check-prefix=CASE2
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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ProgramHeaders:
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- Type: PT_LOAD
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# CASE2: error: program headers are longer than binary of size 120: e_phoff = 0x40000000, e_phnum = 1, e_phentsize = 56
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