Ghidra / objdump anti-decomp smoke

Generated by scripts/ghidra-antidecomp-smoke.sh.

Preferred emit is dual-emit (--out runtime default + --harden-out harden sample) so the runtime object does not receive harden transforms.

• sample: examples/compile/antidecomp_sample.in
• triple: x86_64-unknown-none
• default object: target/in/antidecomp-smoke/sample-default.o (737 bytes)
• harden object: target/in/antidecomp-smoke/sample-harden.o (5373 bytes)
• hashed symbols default/harden: 0 / 0
• harden push %rbx count: 0
• harder_heuristic: 0
• ghidra: analyzeHeadless OK (Ghidra ghidra_12.1.3_PUBLIC); funcs default/harden: 2/1; named 2/1; hashed 0/0; FUN_ 0/0; decomp_ok 2/1; decomp_chars 161/337

Default metrics

file: target/in/antidecomp-smoke/sample-default.o
size_bytes: 737
--- nm ---
000000000000003d T gate
0000000000000000 T main
named_symbols: 2
hashed_symbols: 0
--- objdump -d (summary) ---
disasm_lines: 92
push_rbx_count: 0
classic_prologue_mov: 0
xor_imm_noise: 1

Harden metrics

file: target/in/antidecomp-smoke/sample-harden.o
size_bytes: 5373
--- nm ---
named_symbols: 0
hashed_symbols: 0
--- objdump -d (summary) ---
disasm_lines: 2
push_rbx_count: 0
classic_prologue_mov: 0
xor_imm_noise: 0

Ghidra headless metrics

• ghidra_release: ghidra_12.1.3_PUBLIC
• java: openjdk version "17.0.20.1" 2026-08-18

Default program

GHIDRA_PROGRAM=sample-default.o
GHIDRA_FUNC_COUNT=2
GHIDRA_FUNC name=main entry=00100000 source=IMPORTED
GHIDRA_FUNC name=gate entry=0010003d source=IMPORTED
GHIDRA_NAMED_COUNT=2
GHIDRA_HASHED_COUNT=0
GHIDRA_DEFAULTED_COUNT=0
GHIDRA_DECOMP_OK=2
GHIDRA_DECOMP_FAIL=0
GHIDRA_DECOMP_CHARS=161

Harden program

GHIDRA_PROGRAM=sample-harden.o
GHIDRA_FUNC_COUNT=1
GHIDRA_FUNC name=entry entry=00400000 source=IMPORTED
GHIDRA_NAMED_COUNT=1
GHIDRA_HASHED_COUNT=0
GHIDRA_DEFAULTED_COUNT=0
GHIDRA_DECOMP_OK=1
GHIDRA_DECOMP_FAIL=0
GHIDRA_DECOMP_CHARS=337