expose frida-gum underlying writer object to allow users to use functions that are not exposed in

Author: jejuisland87654

frida-gum/src/instruction_writer/aarch64/writer.rs

@@ -74,6 +74,11 @@ impl Aarch64InstructionWriter {
         }
     }
 
+    /// Get the underlying frida gum writer object
+    pub fn writer(&self) -> *mut gum_sys::_GumArm64Writer {
+        self.writer
+    }
+
     /// Insert a `b` to a label. The label is specified by `id`.
     pub fn put_b_label(&self, id: u64) {
         unsafe { gum_sys::gum_arm64_writer_put_b_label(self.writer, id as *const c_void) }

frida-gum/src/instruction_writer/arm/writer.rs

@@ -57,6 +57,11 @@ impl ArmInstructionWriter {
             is_from_new: false,
         }
     }
+
+    /// Get the underlying frida gum writer object
+    pub fn writer(&self) -> *mut gum_sys::_GumArmWriter {
+        self.writer
+    }
 }
 
 impl Drop for ArmInstructionWriter {

frida-gum/src/instruction_writer/x86_64/writer.rs

@@ -71,6 +71,11 @@ impl X86InstructionWriter {
         }
     }
 
+    /// Get the underlying frida gum writer object
+    pub fn writer(&self) -> *mut gum_sys::_GumX86Writer {
+        self.writer
+    }
+
     pub fn put_leave(&self) -> bool {
         unsafe {
             gum_sys::gum_x86_writer_put_leave(self.writer);