Add script to generate FS mappings for graalhost

Author: timfel

scripts/generate-fsmappings.sh

@@ -0,0 +1,110 @@
+# Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# The Universal Permissive License (UPL), Version 1.0
+#
+# Subject to the condition set forth below, permission is hereby granted to any
+# person obtaining a copy of this software, associated documentation and/or
+# data (collectively the "Software"), free of charge and under any and all
+# copyright rights in the Software, and any and all patent rights owned or
+# freely licensable by each licensor hereunder covering either (i) the
+# unmodified Software as contributed to or provided by such licensor, or (ii)
+# the Larger Works (as defined below), to deal in both
+#
+# (a) the Software, and
+#
+# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
+# one is included with the Software each a "Larger Work" to which the Software
+# is contributed by such licensors),
+#
+# without restriction, including without limitation the rights to copy, create
+# derivative works of, display, perform, and distribute the Software and make,
+# use, sell, offer for sale, import, export, have made, and have sold the
+# Software and the Larger Work(s), and to sublicense the foregoing rights on
+# either these or other terms.
+#
+# This license is subject to the following condition:
+#
+# The above copyright notice and either this complete permission notice or at a
+# minimum a reference to the UPL must be included in all copies or substantial
+# portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+#!/bin/bash
+if [ -z "$MUSL_TOOLCHAIN" ]; then
+    echo "MUSL_TOOLCHAIN not set to point to the toolchain path."
+    exit 1
+fi
+
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 [TARGET_CONFIG_FILE]"
+    exit 1
+fi
+
+PARENT_DIR=$(dirname "$(readlink -f "${BASH_SOURCE[0]}" | xargs dirname)")
+OUTFILE=$(readlink -f "$1")
+
+cat <<EOF> $OUTFILE
+{
+    "allowed_ports": [],
+    "env": {},
+    "working_dir": "/proc",
+    "testing_default_mappings": true,
+    "fsmappings": [
+        {
+            "concrete": "${PARENT_DIR}/mxbuild/linux-amd64/GRAALPY_NATIVE_STANDALONE",
+            "mutable": false,
+            "verif": false,
+            "virt": "/proc"
+        },
+        {
+            "concrete": "${PARENT_DIR}/mxbuild/linux-amd64/GRAALPY_NATIVE_STANDALONE/bin",
+            "mutable": false,
+            "verif": false,
+            "virt": "/proc/self"
+        },
+        {
+            "concrete": "${PARENT_DIR}/mxbuild/linux-amd64/GRAALPY_NATIVE_STANDALONE/bin/graalpy",
+            "verif": true,
+            "virt": "/proc/self/exe"
+        },
+EOF
+
+pushd "${PARENT_DIR}/mxbuild/linux-amd64/GRAALPY_NATIVE_STANDALONE/" >/dev/null
+for i in `find . -name "*.so"`; do
+    cat <<EOF>> $OUTFILE
+        {
+            "concrete": "${PARENT_DIR}/mxbuild/linux-amd64/GRAALPY_NATIVE_STANDALONE/$i",
+            "verif": true,
+            "virt": "/proc/$i"
+        },
+EOF
+done
+popd >/dev/null
+
+cat <<EOF>> $OUTFILE
+        {
+            "concrete": "${MUSL_TOOLCHAIN}/lib/libc++.so.1.0",
+            "verif": true,
+            "virt": "/proc/lib/libc++.so.1.0"
+        },
+        {
+            "concrete": "${MUSL_TOOLCHAIN}/lib/libc++abi.so.1.0",
+            "verif": true,
+            "virt": "/proc/lib/libc++abi.so.1.0"
+        },
+        {
+            "concrete": "${MUSL_TOOLCHAIN}/lib/libunwind.so.1.0",
+            "verif": true,
+            "virt": "/proc/lib/libunwind.so.1.0"
+        }
+    ]
+}
+EOF