2009-11-02 Zoltan Varga <vargaz@gmail.com>

[mono.git] / mono / mini / tramp-x86.c

diff --git a/mono/mini/tramp-x86.c b/mono/mini/tramp-x86.c
index 644a88243900aea1404fab84240790d06b75f647..60361aaf81fc838ec190d07971f7a84a64d8e657 100644 (file)
--- a/mono/mini/tramp-x86.c
+++ b/mono/mini/tramp-x86.c
@@ -78,6 +78,33 @@ mono_arch_get_static_rgctx_trampoline (MonoMethod *m, MonoMethodRuntimeGenericCo
        return start;
 }
 
+gpointer
+mono_arch_get_llvm_imt_trampoline (MonoDomain *domain, MonoMethod *m, int vt_offset)
+{
+       guint8 *code, *start;
+       int buf_len;
+       int this_reg;
+
+       buf_len = 32;
+
+       start = code = mono_domain_code_reserve (domain, buf_len);
+
+       this_reg = mono_arch_get_this_arg_reg (mono_method_signature (m), NULL, NULL);
+
+       /* Set imt arg */
+       x86_mov_reg_imm (code, MONO_ARCH_IMT_REG, m);
+       /* Load vtable address */
+       x86_mov_reg_membase (code, X86_EAX, this_reg, 0, 8);
+       x86_jump_membase (code, X86_EAX, vt_offset);
+       x86_ret (code);
+
+       g_assert ((code - start) < buf_len);
+
+       mono_arch_flush_icache (start, code - start);
+
+       return start;
+}
+
 void
 mono_arch_patch_callsite (guint8 *method_start, guint8 *orig_code, guint8 *addr)
 {