<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/122805>122805</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            llvm-readelf: Invalid JSON on PE (COFF) object
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          sliedes
      </td>
    </tr>
</table>

<pre>
    Similar to, but distinct from, #88880

This is on LLVM 19.1.5 on NixOS.

Doing `llvm-readelf --elf-outputs-style=JSON` on a PE object (in this case an UEFI executable from a BIOS dump) produces invalid JSON. A small PE object attached to demonstrate.

```
$ file 137_PspDxe.efi
137_PspDxe.efi: PE32+ executable for EFI (boot service driver), x86-64, 4 sections

$ llvm-readelf --elf-output-style=JSON 137_PspDxe.efi
[
"File":"137_PspDxe.efi","Format":"COFF-x86-64","Arch":"x86_64","AddressSize":"64bit"]
$ llvm-readelf --version
LLVM (http://llvm.org/):
  LLVM version 19.1.5
 Optimized build.
```

The output is not valid JSON because key:value can only exist in an object (`{}`), and here it's in a list.

[137_PspDxe.efi.zip](https://github.com/user-attachments/files/18402591/137_PspDxe.efi.zip)
</pre>
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