Linux output reused the input program header table in place, so it could
hold no more entries than the input declared. A title whose kept segments
and the five synthetic headers did not fit lost PT_GNU_EH_FRAME with a
warning, or failed with "Not enough program header slots". When more
headers are needed, the table is now written at the end of the extra block,
e_phoff points there and PT_PHDR maps it through the extra block PT_LOAD;
the header block then maps only the ELF header. Bytes after the input table
are left as they were.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
SHA-1 and SHA-256 instructions with a [rip+disp32] operand, and
instructions with one that a short site absorbs, now move into the
stub. The stub records each displacement as a relocation relative to
the site, and the Linux, guest and Windows placements resolve it once
the stub address is known. Indirect branches through [rip+disp32]
still fail the relink.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The Linux patcher appends the DT_RUNPATH string after the copied
.dynstr data but kept DT_STRSZ and the .dynstr section size at the size
of the copied data, so DT_RUNPATH pointed at the first byte past the
declared string table.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
EXTRQ, INSERTQ, MOVNTSS and MOVNTSD are rewritten at relink time: same-length in-place forms
where they exist, otherwise a jmp rel32 into an appended executable section holding a
scratch-free SSE body and a jump back, so no code shifts and no RIP-relative or jump-table
operand needs adjusting. Decoder fixes for POPCNT and 0F BB (BTC), codegen and elfpatcher
tests, README and technical-debt notes. The runtime illegal-instruction trap stays as a
fallback.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0177gthrWEBBfBu5xJDXgBfo
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