feat(verify): add Call trampolines for arm64, riscv64, loong64

Assisted-by: MiMo V2.5 Pro

debug/target_linux_loong64.go

@@ -14,6 +14,7 @@ import (
 
 	"sourcedock.dev/petrbalvin/gasm-devkit/asm"
 	"sourcedock.dev/petrbalvin/gasm-devkit/parser"
+	"sourcedock.dev/petrbalvin/gasm-devkit/verify"
 )
 
 // RunTarget is the debuggee entry point (gasm debug --target).
@@ -102,7 +103,14 @@ func RunTarget(asmPath, funcName, argsFile, tmpDir string) error {
 	os.WriteFile(tmpDir+"/entry", []byte("ok"), 0o644)
 	syscall.Kill(syscall.Getpid(), syscall.SIGSTOP)
 
-	// JIT execution requires architecture-specific verify.Call trampoline.
-	// The debugger can still set breakpoints and inspect state without it.
-	return fmt.Errorf("debug: JIT execution not yet implemented for loong64")
+	fnAddr := codeBase + uintptr(fl.Offset)
+	stackArgs := make([]byte, fl.Args)
+	copy(stackArgs, args)
+
+	_, callErr := verify.Call(fnAddr, stackArgs)
+	if callErr != nil {
+		os.Exit(1)
+	}
+	os.Exit(0)
+	return nil
 }