51 lines
1.5 KiB
Bash
Executable file
51 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Build the entire W65816 runtime — assemble *.s, compile *.c.
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# Run after editing anything under runtime/src/.
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set -euo pipefail
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PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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LLVM_MC="$PROJECT_ROOT/tools/llvm-mos-build/bin/llvm-mc"
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CLANG="$PROJECT_ROOT/tools/llvm-mos-build/bin/clang"
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[ -x "$LLVM_MC" ] || { echo "llvm-mc not found at $LLVM_MC" >&2; exit 1; }
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[ -x "$CLANG" ] || { echo "clang not found at $CLANG" >&2; exit 1; }
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SRC="$PROJECT_ROOT/runtime/src"
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OUT="$PROJECT_ROOT/runtime"
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asm() {
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local s="$1"
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local o="$OUT/$(basename "${s%.s}").o"
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echo " AS $(basename "$s")"
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"$LLVM_MC" -arch=w65816 -filetype=obj "$s" -o "$o"
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}
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cc() {
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local c="$1"
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local o="$OUT/$(basename "${c%.c}").o"
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local extra=("${@:2}")
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echo " CC $(basename "$c")"
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"$CLANG" -target w65816 -O2 -ffunction-sections \
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"${extra[@]}" \
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-I"$PROJECT_ROOT/runtime/include" \
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-c "$c" -o "$o"
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}
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asm "$SRC/crt0.s"
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asm "$SRC/libgcc.s"
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cc "$SRC/libc.c"
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cc "$SRC/strtol.c"
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cc "$SRC/snprintf.c"
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cc "$SRC/qsort.c"
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cc "$SRC/extras.c"
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cc "$SRC/strtok.c"
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cc "$SRC/math.c"
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cc "$SRC/softFloat.c"
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# softDouble.c builds at -O1 instead of -O2: __muldf3's 64x64 -> 128
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# mul + inlined alignment shifts overflows the greedy allocator on
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# the single-A target ("ran out of registers during register
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# allocation"). -O1 produces correct + smaller code than the
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# previous -O2 + -regalloc=fast workaround.
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cc "$SRC/softDouble.c" -O1
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echo "runtime built: $(ls -1 "$OUT"/*.o | wc -l) objects"
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