Set up a git repoHEADmaster

1 files changed, 109 insertions, 0 deletions

diff --git a/tests/run_rv64_e2e.sh b/tests/run_rv64_e2e.sh
new file mode 100755
index 0000000..7d515c0
--- /dev/null
+++ b/tests/run_rv64_e2e.sh
@@ -0,0 +1,109 @@
+#!/bin/bash
+# rcc end-to-end test: rcc backend → RV64 assembly → gcc → qemu
+#
+#   .sy --rcc -S--> .s --gcc--> ELF --qemu--> stdout/retcode
+#
+# Usage: ./tests/run_rv64_e2e.sh [test-dir]
+# Default: functional
+#
+# Source code for RCC-Legacy.
+# Copyright (C) 2026 Richard Qin
+#
+# This file is part of RCC.
+#
+# RCC is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 3, or (at your option) any later
+# version.
+#
+# RCC is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with RCC; see the file LICENSE.  If not see
+# <http://www.gnu.org/licenses/>.
+
+set -u
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+COMPILER="$PROJECT_DIR/../build-rcc-legacy/rcc"
+SYLIB="$SCRIPT_DIR/runtime/sylib.c"
+RV_GCC="/opt/riscv64-glibc/bin/riscv64-unknown-linux-gnu-gcc"
+QEMU="/opt/riscv64-glibc/bin/qemu-riscv64"
+TEST_DIR="${1:-$SCRIPT_DIR/functional}"
+TIMEOUT=120  # seconds per test case
+
+WORKDIR=$(mktemp -d /tmp/rcc_rv64_e2e_XXXXXX)
+trap 'rm -rf "$WORKDIR"' EXIT
+
+# Colors
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[0;33m'; NC='\033[0m'
+
+PASS=0; FAIL=0; ERROR=0; TOTAL=0; FAILURES=""
+
+for sy in $(find "$TEST_DIR" -name '*.sy' | sort); do
+    base="${sy%.sy}"; name=$(basename "$base")
+    [ -f "$base.out" ] || continue
+    TOTAL=$((TOTAL + 1))
+    asm="$WORKDIR/$name.s"; elf="$WORKDIR/$name.elf"
+    in=/dev/null; [ -f "$base.in" ] && in="$base.in"
+
+    # 1. Compile .sy -> .s
+    if ! timeout "$TIMEOUT" "$COMPILER" -S -o "$asm" "$sy" 2>"$WORKDIR/$name.err"; then
+        ERROR=$((ERROR + 1))
+        FAILURES="$FAILURES  ERROR(rcc): $name\n"
+        echo -e "  ${YELLOW}[ERROR]${NC} $name  (rcc compile failed)"
+        sed 's/^/         /' "$WORKDIR/$name.err"
+        continue
+    fi
+
+    # 2. Assemble+link .s -> ELF
+    if ! timeout "$TIMEOUT" "$RV_GCC" -static -march=rv64gc -o "$elf" "$asm" "$SYLIB" 2>"$WORKDIR/$name.gcc.err"; then
+        ERROR=$((ERROR + 1))
+        FAILURES="$FAILURES  ERROR(gcc): $name\n"
+        echo -e "  ${YELLOW}[ERROR]${NC} $name  (gcc link failed)"
+        sed 's/^/         /' "$WORKDIR/$name.gcc.err"
+        continue
+    fi
+
+    # 3. Run under qemu with timeout
+    actual_out=$(timeout "$TIMEOUT" "$QEMU" "$elf" < "$in" 2>/dev/null)
+    actual_ret=$?
+
+    # timeout returns 124 on timeout
+    if [ "$actual_ret" -eq 124 ]; then
+        ERROR=$((ERROR + 1))
+        FAILURES="$FAILURES  ERROR(timeout): $name\n"
+        echo -e "  ${YELLOW}[ERROR]${NC} $name  (qemu timeout ${TIMEOUT}s)"
+        continue
+    fi
+
+    expected=$(cat "$base.out")
+    expected_out=$(echo "$expected" | head -n -1)
+    expected_ret=$(echo "$expected" | tail -n 1)
+
+    if [ "$actual_out" = "$expected_out" ] && [ "$actual_ret" = "$expected_ret" ]; then
+        PASS=$((PASS + 1))
+        echo -e "  ${GREEN}[PASS]${NC}  $name"
+    else
+        FAIL=$((FAIL + 1))
+        reason=""
+        [ "$actual_ret" != "$expected_ret" ] && reason="ret: expected=$expected_ret got=$actual_ret"
+        [ "$actual_out" != "$expected_out" ] && reason="${reason}${reason:+, }stdout mismatch"
+        echo -e "  ${RED}[FAIL]${NC}  $name  ($reason)"
+        if [ "$actual_out" != "$expected_out" ]; then
+            echo "$expected_out" > "$WORKDIR/$name.expected"
+            echo "$actual_out"   > "$WORKDIR/$name.actual"
+            diff -u "$WORKDIR/$name.expected" "$WORKDIR/$name.actual" | head -20 | sed 's/^/         /'
+        fi
+        FAILURES="$FAILURES  FAIL: $name  $reason\n"
+    fi
+done
+
+echo ""
+echo "========================================"
+echo -e "  TOTAL=$TOTAL  ${GREEN}PASS=$PASS${NC}  ${RED}FAIL=$FAIL${NC}  ${YELLOW}ERROR=$ERROR${NC}"
+echo "========================================"
+[ -n "$FAILURES" ] && echo -e "\nDetails:\n$FAILURES"