Add r2plugin and CI job for the external plugin system build

.github/workflows/ci.yml

@@ -25,3 +25,27 @@ jobs:
       run: r2r test/db/cmd
     - name: Radare Extras Testing
       run: r2r test/db/extras
+
+  r2-xps:
+    name: Build radare2 with r2flutter XPS
+    runs-on: ubuntu-24.04
+    steps:
+    - uses: actions/checkout@v7
+      with:
+        fetch-depth: 0
+    - name: Install build dependencies
+      run: sudo apt-get update -y && sudo apt-get install -y build-essential pkg-config
+    - name: Build radare2 from source with r2flutter
+      run: |
+        git clone --depth=1 https://github.com/radareorg/radare2.git
+        cd radare2
+        cp -f ../r2plugin/config.mk libr/xps/config.mk
+        git clone .. libr/xps/p/r2flutter
+        make -C libr/xps
+        ./configure --prefix=/usr
+        make -j$(nproc)
+        sudo make install
+    - name: Test embedded r2flutter plugin
+      run: |
+        r2 -q -c 'Lc~r2flutter' -- | grep r2flutter
+        r2 -q -c 'r2flutter -V' -- | grep 'r2flutter '

r2plugin/README.md

@@ -0,0 +1,13 @@
+# r2plugin
+
+This directory contains the Make and Meson files required to link r2flutter
+inside radare2 through `libr/xps`.
+
+```console
+cd radare2
+cp ../r2flutter/r2plugin/config.mk libr/xps/config.mk
+git clone ../r2flutter libr/xps/p/r2flutter
+make -C libr/xps
+./configure
+make
+```

r2plugin/config.mk

@@ -0,0 +1,9 @@
+EXTERNAL_PLUGINS+=r2flutter
+# EXTERNAL_PLUGINS+=hi
+
+.PHONY: r2flutter
+
+r2flutter: p/r2flutter
+
+p/r2flutter:
+	cd p && git clone https://github.com/trufae/r2flutter

r2plugin/core/deps.h

@@ -0,0 +1,5 @@
+/* radare2 - MIT - Copyright 2026 - pancake */
+
+#ifdef R2_CORE_H
+extern RCorePlugin r_core_plugin_r2flutter;
+#endif

r2plugin/core/deps.mk

@@ -0,0 +1,25 @@
+R2FLUTTER_CORE_WD=$(LIBR)/xps/p/r2flutter
+CFLAGS+=-I$(R2FLUTTER_CORE_WD)/include
+R2FLUTTER_CORE_OBJ= \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_app.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_dumper.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_snapshot.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_discovery.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_names.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_strings.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_data_image.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_it.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_xrefs.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_object.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_sbom.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_clusters.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_classes.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_model.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_parse.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_pool_modern.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_version.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_cid.o \
+	$(R2FLUTTER_CORE_WD)/src/lib/dart_obf.o \
+	$(R2FLUTTER_CORE_WD)/src/r2/flutter_analysis.o \
+	$(R2FLUTTER_CORE_WD)/src/r2/core_flutter.o
+EXTERNAL_STATIC_OBJS+=$(R2FLUTTER_CORE_OBJ)

r2plugin/core/meson.build

@@ -0,0 +1,29 @@
+shared_library(
+  'core_flutter',
+  '../src/r2/core_flutter.c',
+  '../src/r2/flutter_analysis.c',
+  '../src/lib/dart_app.c',
+  '../src/lib/dart_dumper.c',
+  '../src/lib/dart_pool_snapshot.c',
+  '../src/lib/dart_pool_discovery.c',
+  '../src/lib/dart_pool_names.c',
+  '../src/lib/dart_pool_strings.c',
+  '../src/lib/dart_pool_data_image.c',
+  '../src/lib/dart_pool_it.c',
+  '../src/lib/dart_pool_xrefs.c',
+  '../src/lib/dart_object.c',
+  '../src/lib/dart_sbom.c',
+  '../src/lib/dart_pool_clusters.c',
+  '../src/lib/dart_pool_classes.c',
+  '../src/lib/dart_pool_model.c',
+  '../src/lib/dart_pool_parse.c',
+  '../src/lib/dart_pool_modern.c',
+  '../src/lib/dart_version.c',
+  '../src/lib/dart_cid.c',
+  '../src/lib/dart_obf.c',
+  include_directories: ['../include', include_dirs],
+  dependencies: r2_core,
+  override_options: ['werror=false'],
+  install: true,
+  install_dir: r2_plugdir,
+)

r2plugin/meson.build

@@ -0,0 +1,32 @@
+# r2flutter XPS integration for radare2.
+# Included from libr/xps/meson.build when r2flutter sources live under
+# libr/xps/p/r2flutter/. Appends sources and include paths to the r_core
+# aggregate so the static plugin is linked into libr_core.
+
+core_plugins += ['r2flutter']
+
+r_core_additional_inc += include_directories(join_paths('..', 'include'))
+
+r_core_additional_sources += files(
+  '../src/lib/dart_app.c',
+  '../src/lib/dart_dumper.c',
+  '../src/lib/dart_pool_snapshot.c',
+  '../src/lib/dart_pool_discovery.c',
+  '../src/lib/dart_pool_names.c',
+  '../src/lib/dart_pool_strings.c',
+  '../src/lib/dart_pool_data_image.c',
+  '../src/lib/dart_pool_it.c',
+  '../src/lib/dart_pool_xrefs.c',
+  '../src/lib/dart_object.c',
+  '../src/lib/dart_sbom.c',
+  '../src/lib/dart_pool_clusters.c',
+  '../src/lib/dart_pool_classes.c',
+  '../src/lib/dart_pool_model.c',
+  '../src/lib/dart_pool_parse.c',
+  '../src/lib/dart_pool_modern.c',
+  '../src/lib/dart_version.c',
+  '../src/lib/dart_cid.c',
+  '../src/lib/dart_obf.c',
+  '../src/r2/flutter_analysis.c',
+  '../src/r2/core_flutter.c',
+)

r2plugin/r2plugins.h

@@ -0,0 +1,5 @@
+/* radare2 - MIT - Copyright 2026 - pancake */
+
+#ifdef R2_CORE_H
+#include "core/deps.h"
+#endif

r2plugin/static.cfg

@@ -0,0 +1 @@
+core.r2flutter

src/r2/core_flutter.c

@@ -427,7 +427,7 @@ static bool r_cmd_r2flutter_call(RCorePluginSession *cps, const char *input) {
 	return true;
 }
 
-RCorePlugin r_core_plugin_flutter = {
+RCorePlugin r_core_plugin_r2flutter = {
 	.meta = {
 		.name = "r2flutter",
 		.desc = "Dart/Flutter AOT snapshot analyzer",
@@ -443,7 +443,7 @@ RCorePlugin r_core_plugin_flutter = {
 #ifndef R2_PLUGIN_INCORE
 R_API RLibStruct radare_plugin = {
 	.type = R_LIB_TYPE_CORE,
-	.data = &r_core_plugin_flutter,
+	.data = &r_core_plugin_r2flutter,
 	.version = R2_VERSION,
 	.abiversion = R2_ABIVERSION
 };