27 lines
1023 B
Plaintext
27 lines
1023 B
Plaintext
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// hako_llvm_selfhost_driver.hako — minimal driver to emit+link via C‑API from Hako
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// Usage (env):
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// _MIR_JSON: v1 JSON text
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// _EXE_OUT : output path for linked executable
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// Prints the exe path to stdout.
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using selfhost.vm.helpers.mir_call_v1_handler as MirCallV1HandlerBox // not required but keeps linker alive
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static box Main {
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method main(args) {
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local j = env.get("_MIR_JSON")
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local exe_out = env.get("_EXE_OUT")
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if j == null { print("[ERR] _MIR_JSON not set"); return 1 }
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if exe_out == null { exe_out = "/tmp/hako_selfhost_exe" }
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// emit object
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local a = new ArrayBox(); a.push(j)
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local obj = hostbridge.extern_invoke("env.codegen", "emit_object", a)
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if obj == null { print("[ERR] emit_object failed"); return 2 }
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// link exe
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local b = new ArrayBox(); b.push(obj); b.push(exe_out)
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local exe = hostbridge.extern_invoke("env.codegen", "link_object", b)
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if exe == null { print("[ERR] link_object failed"); return 3 }
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print("" + exe)
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return 0
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}
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}
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