diff --git a/src/runtime/src/mono/mono/mini/mini-ppc.c b/src/runtime/src/mono/mono/mini/mini-ppc.c index db669f8b5da0f..73a26c02b18aa 100644 --- a/src/runtime/src/mono/mono/mini/mini-ppc.c +++ b/src/runtime/src/mono/mono/mini/mini-ppc.c @@ -470,10 +470,54 @@ mono_arch_get_delegate_invoke_impl (MonoMethodSignature *sig, gboolean has_targe return start; } +/** + * + * @brief Architecture-specific delegation virtual trampoline processing + * + * @param[in] @sig - Method signature + * @param[in] @method - Method + * @param[in] @offset - Offset into vtable + * @param[in] @load_imt_reg - Whether to load the LMT register + * @returns Trampoline + * + * Return a pointer to a delegation virtual trampoline + */ + gpointer mono_arch_get_delegate_virtual_invoke_impl (MonoMethodSignature *sig, MonoMethod *method, int offset, gboolean load_imt_reg) { - return NULL; + guint8 *code, *start; + int size = 32; + + start = code = (guint8 *) mono_global_codeman_reserve (size); + + /* + * Replace the "this" argument with the target + */ + ppc_mr (code, ppc_r12, ppc_r3); + ppc_ldptr (code, ppc_r3, MONO_STRUCT_OFFSET(MonoDelegate, target), ppc_r12); + + /* + * Load the IMT register, if needed + */ + if (load_imt_reg) { + ppc_ldptr (code, MONO_ARCH_IMT_REG, MONO_STRUCT_OFFSET(MonoDelegate, method), ppc_r12); + } + + /* + * Load the vTable + */ + ppc_ldptr (code, ppc_r12, MONO_STRUCT_OFFSET(MonoObject, vtable), ppc_r3); + if (!ppc_is_imm16(offset)) + ppc_addis (code, ppc_r12, ppc_r12, ppc_ha(offset)); + ppc_ldptr (code, ppc_r12, offset, ppc_r12); + ppc_mtctr (code, ppc_r12); + ppc_bcctr (code, PPC_BR_ALWAYS, 0); + + mono_arch_flush_icache (start, code - start); + MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_DELEGATE_INVOKE, NULL)); + + return(start); } gpointer