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name: 基址修改在线构建
on:
# 只在推送 tag 时触发(例如 v1.0.0, v2.1.3 等)
push:
tags:
- 'v*'
- 'V*'
# 保留手动触发功能
workflow_dispatch:
inputs:
package_name:
description: '包名(字符串,默认:com.example.app)'
required: false
type: string
default: 'com.example.app'
module:
description: '模块(字符串,默认:libil2cpp.so)'
required: false
type: string
default: 'libil2cpp.so'
memory:
description: '内存(字符串,默认:Xa)'
required: false
type: string
default: 'Xa'
module_index:
description: '模块索引(整数,默认:1)'
required: false
type: string
default: '1'
pointer_chain:
description: '指针链条(字符串,用+分隔,可为空)'
required: false
type: string
default: ''
modify_mode:
description: '修改方式(默认:读取)'
required: false
type: choice
default: '读取'
options:
- 读取
- 修改
- 读取并修改
- 修改冻结
value_type:
description: '修改类型(默认:int)'
required: false
type: choice
default: 'int'
options:
- int
- float
modify_value:
description: '修改值(默认:999)'
required: false
type: string
default: '999'
platform:
description: '平台(默认:真机 64)'
required: false
type: choice
default: '真机 64'
options:
- 真机 64
- 模拟器 64
rw_type:
description: '读写类型(默认:syscall,模拟器必须选prw64)'
required: false
type: choice
default: 'syscall'
options:
- syscall
- prw64
env:
NDK_VERSION: r27
NDK_INSTALL_DIR: ${{ github.workspace }}/android-ndk-r27
jobs:
build:
runs-on: ubuntu-latest
steps:
# 1. 设置默认值(如果输入为空)
- name: 设置默认值
id: set_defaults
run: |
# 设置默认值
PACKAGE_NAME="${{ github.event.inputs.package_name }}"
MODULE="${{ github.event.inputs.module }}"
MEMORY="${{ github.event.inputs.memory }}"
MODULE_INDEX="${{ github.event.inputs.module_index }}"
POINTER_CHAIN="${{ github.event.inputs.pointer_chain }}"
MODIFY_MODE="${{ github.event.inputs.modify_mode }}"
VALUE_TYPE="${{ github.event.inputs.value_type }}"
MODIFY_VALUE="${{ github.event.inputs.modify_value }}"
PLATFORM="${{ github.event.inputs.platform }}"
RW_TYPE="${{ github.event.inputs.rw_type }}"
# 如果为空则使用默认值
: ${PACKAGE_NAME:="com.example.app"}
: ${MODULE:="libil2cpp.so"}
: ${MEMORY:="Xa"}
: ${MODULE_INDEX:="1"}
: ${POINTER_CHAIN:=""}
: ${MODIFY_MODE:="读取"}
: ${VALUE_TYPE:="int"}
: ${MODIFY_VALUE:="999"}
: ${PLATFORM:="真机 64"}
: ${RW_TYPE:="syscall"}
# 导出环境变量
echo "PACKAGE_NAME=$PACKAGE_NAME" >> $GITHUB_ENV
echo "MODULE=$MODULE" >> $GITHUB_ENV
echo "MEMORY=$MEMORY" >> $GITHUB_ENV
echo "MODULE_INDEX=$MODULE_INDEX" >> $GITHUB_ENV
echo "POINTER_CHAIN=$POINTER_CHAIN" >> $GITHUB_ENV
echo "MODIFY_MODE=$MODIFY_MODE" >> $GITHUB_ENV
echo "VALUE_TYPE=$VALUE_TYPE" >> $GITHUB_ENV
echo "MODIFY_VALUE=$MODIFY_VALUE" >> $GITHUB_ENV
echo "PLATFORM=$PLATFORM" >> $GITHUB_ENV
echo "RW_TYPE=$RW_TYPE" >> $GITHUB_ENV
# 2. 打印最终使用的参数
- name: 打印配置参数
run: |
echo "========== 构建配置 =========="
echo "包名 : ${{ env.PACKAGE_NAME }}"
echo "模块 : ${{ env.MODULE }}"
echo "内存 : ${{ env.MEMORY }}"
echo "模块索引 : ${{ env.MODULE_INDEX }}"
echo "指针链条 : ${{ env.POINTER_CHAIN }}"
echo "修改方式 : ${{ env.MODIFY_MODE }}"
echo "修改类型 : ${{ env.VALUE_TYPE }}"
echo "修改值 : ${{ env.MODIFY_VALUE }}"
echo "平台 : ${{ env.PLATFORM }}"
echo "读写方法 : ${{ env.RW_TYPE }}"
echo "=============================="
# 2. 常规 checkout
- name: Checkout source
uses: actions/checkout@v4
# 3. 缓存 NDK
- name: Cache NDK
id: cache-ndk
uses: actions/cache@v4
with:
path: ${{ env.NDK_INSTALL_DIR }}
key: ndk-${{ env.NDK_VERSION }}-linux
# 4. 仅缓存未命中时下载并解压
- name: Install Android NDK
if: steps.cache-ndk.outputs.cache-hit != 'true'
run: |
set -e
echo "Downloading NDK ${{ env.NDK_VERSION }} ..."
wget -q "https://dl.google.com/android/repository/android-ndk-${{ env.NDK_VERSION }}-linux.zip"
unzip -q android-ndk-${{ env.NDK_VERSION }}-linux.zip -d /tmp
mv /tmp/android-ndk-${{ env.NDK_VERSION }} ${{ env.NDK_INSTALL_DIR }}
rm android-ndk-${{ env.NDK_VERSION }}-linux.zip
# 5. 准备 build 目录
- name: Prepare build directory
run: |
mkdir -p build
rsync -a --exclude='build' . build/
# 5.1. 替换 memory.cpp 中的包名、模块、索引、内存、指针链
- name: 替换 memory.cpp 参数
run: |
# 替换包名
sed -i "s/init(\"[^\"]*\");/init(\"${{ env.PACKAGE_NAME }}\");/" memory.cpp
# 替换模块、索引、内存(更宽松匹配)
sed -i "s/get_module_base_str( *\"[^\"]*\" *, *[0-9]* *, *\"[^\"]*\" *)/get_module_base_str(\"${{ env.MODULE }}\", ${{ env.MODULE_INDEX }}, \"${{ env.MEMORY }}\" )/" memory.cpp
# 替换指针链条(+变,,支持空值)
chain=$(echo "${{ env.POINTER_CHAIN }}" | sed 's/+/,/g')
if [ -n "$chain" ]; then
sed -i "s/std::vector<uintptr_t> pointers = {[^}]*/std::vector<uintptr_t> pointers = { $chain/" memory.cpp
fi
cat memory.cpp
# 5.2. 根据修改方式插入操作代码
- name: 根据修改方式插入操作代码
run: |
mode="${{ env.MODIFY_MODE }}"
vtype="${{ env.VALUE_TYPE }}"
mvalue="${{ env.MODIFY_VALUE }}"
code=""
if [ "$mode" = "读取" ]; then
if [ "$vtype" = "int" ]; then
code='auto value = read_int(read_pointer64);\n std::cout << "读取数据: " << value << std::endl;'
else
code='auto value = read_float(read_pointer64);\n std::cout << "读取数据: " << value << std::endl;'
fi
elif [ "$mode" = "修改" ]; then
if [ "$vtype" = "int" ]; then
code="write_int(read_pointer64, $mvalue);"
else
code="write_float(read_pointer64, $mvalue);"
fi
elif [ "$mode" = "读取并修改" ]; then
if [ "$vtype" = "int" ]; then
code='auto value = read_int(read_pointer64);\n std::cout << "原始数据: " << value << std::endl;\n write_int(read_pointer64, '$mvalue');\n auto value2 = read_int(read_pointer64);\n std::cout << "修改后数据: " << value2 << std::endl;'
else
code='auto value = read_float(read_pointer64);\n std::cout << "原始数据: " << value << std::endl;\n write_float(read_pointer64, '$mvalue');\n auto value2 = read_float(read_pointer64);\n std::cout << "修改后数据: " << value2 << std::endl;'
fi
elif [ "$mode" = "修改冻结" ]; then
if [ "$vtype" = "int" ]; then
code='while(true) { write_int(read_pointer64, '$mvalue'); }'
else
code='while(true) { write_float(read_pointer64, '$mvalue'); }'
fi
fi
# 插入到标记行之后(在 "=== GitHub Actions 会在这里插入操作代码 ===" 之后)
awk -v code="$code" '
{
print $0
if($0 ~ /GitHub Actions 会在这里插入操作代码/) {
print " " code
}
}' memory.cpp > memory.cpp.tmp && mv memory.cpp.tmp memory.cpp
echo "========== 生成的 memory.cpp =========="
cat memory.cpp
echo "======================================"
# 5.3. 平台和读写类型检查与配置
- name: 检查平台和读写类型并修改代码
run: |
sed -i 's#../main.cpp#../memory.cpp#' jni/Android.mk
# 检查平台和读写类型
if [[ "${{ env.PLATFORM }}" == "模拟器 64" ]]; then
if [[ "${{ env.RW_TYPE }}" != "prw64" ]]; then
echo "模拟器平台必须选择prw64读写类型,已终止编译。"
exit 1
fi
# 修改 Application.mk ABI
sed -i 's/APP_ABI := arm64-v8a/APP_ABI := x86_64/' jni/Application.mk
fi
# 根据读写类型修改 memory.cpp 中的 driver
if [[ "${{ env.RW_TYPE }}" == "prw64" ]]; then
# 使用 pread_driver
sed -i 's#driver/driver_syscall.h#driver/driver_pread.h#' memory.cpp
sed -i 's#syscall_driver#pread_driver#g' memory.cpp
echo "[+] 已切换到 pread_driver"
else
# 使用 syscall_driver (默认)
sed -i 's#driver/driver_pread.h#driver/driver_syscall.h#' memory.cpp
sed -i 's#pread_driver#syscall_driver#g' memory.cpp
echo "[+] 已切换到 syscall_driver"
fi
echo "=== 检查 memory.cpp 驱动配置 ==="
grep -n "driver/" memory.cpp
grep -n "driver_mgr" memory.cpp
cat jni/Android.mk
cat jni/Application.mk
# 5.4. 拷贝所有已修改文件到 build 目录,确保生效
- name: 拷贝修改后的文件到 build 目录
run: |
cp memory.cpp build/
cp jni/Android.mk build/jni/
cp jni/Application.mk build/jni/
# 6. 使用 ndk-build 构建
- name: Run ndk-build
run: |
export ANDROID_NDK_HOME=${{ env.NDK_INSTALL_DIR }}
export PATH=$ANDROID_NDK_HOME:$PATH
cd build
$ANDROID_NDK_HOME/ndk-build -j$(nproc)
# 7. 上传构建产物
- name: Upload artifacts
uses: actions/upload-artifact@v4
with:
name: ndk-build-output
path: build/libs