[Mono-dev] Where is trampoline x86 pseudo code documented?

[cpMon]

Is there a document that describes the x86 pseudo code your JIT engine uses.
For example, it would be a lot easier for me to find bugs for you if I
didn't have to reverse-engineer things such as:

Thanks,
Cal Page


        if ( 0 && mono_thread_get_tls_offset () != -1) {
                /* MonoObject* obj is in EAX */
                /* is obj null? */
                x86_test_reg_reg (buf, X86_EAX, X86_EAX);
                /* if yes, jump to actual trampoline */
                jump_obj_null = buf;
                x86_branch8 (buf, X86_CC_Z, -1, 1);

                /* load obj->synchronization to ECX */
                x86_mov_reg_membase (buf, X86_ECX, X86_EAX, G_STRUCT_OFFSET
(MonoObject, synchronisation), 4);
                /* is synchronization null? */
                x86_test_reg_reg (buf, X86_ECX, X86_ECX);
                /* if not, jump to next case */
                jump_next = buf;
                x86_branch8 (buf, X86_CC_NZ, -1, 1);
                /* if yes, just return */
                x86_ret (buf);

                /* next case: synchronization is not null */
                x86_patch (jump_next, buf);
                /* load MonoThread* into EDX */
                buf = mono_x86_emit_tls_get (buf, X86_EDX,
mono_thread_get_tls_offset ());
                /* load TID into EDX */
                x86_mov_reg_membase (buf, X86_EDX, X86_EDX, G_STRUCT_OFFSET
(MonoThread, tid), 4);
                /* is synchronization->owner == TID */
                x86_alu_membase_reg (buf, X86_CMP, X86_ECX, owner_offset,
X86_EDX);
                /* if yes, jump to next case */
                jump_next = buf;
                x86_branch8 (buf, X86_CC_Z, -1, 1);
                /* if not, just return */
                x86_ret (buf);

                /* next case: synchronization->owner == TID */
                                                                                                                        
759,2-16      92%

-- 
View this message in context: http://n4.nabble.com/Where-is-trampoline-x86-pseudo-code-documented-tp1582713p1582713.html
Sent from the Mono - Dev mailing list archive at Nabble.com.