File: long-section-name.test

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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# RUN: yaml2obj %S/Inputs/long-section-name.yaml -o %t.obj

## Replace the section name field of the object file with /4\0abcde emulating
## a section name field not fully null-padded at the end.
# RUN: %python %s %t.obj

## This should print the LongSectionName section.
# RUN: llvm-objdump --headers %t.obj | FileCheck %s

# CHECK: LongSectionName

import sys

if len(sys.argv) < 2:
  print("Use: python3 long-section-name.test <OBJECT_FILE>")
  exit(1)

pattern = b'/4'
replacement = b'/4\0abcde'

data = None
with open(sys.argv[1], "rb") as inp:
  data = inp.read()
with open(sys.argv[1], "wb") as outp:
  pos = data.find(pattern)
  if pos == -1:
    sys.exit("Error: Pattern /4 not found in " + sys.argv[1])
  outp.write(data[:pos])
  outp.write(replacement)
  outp.write(data[pos + len(replacement):])