static void
ex(const char *s, ...)
{
tino_va_list list;
tino_va_start(list, s);
vex(210, &list, "error", errno);
/* never reached */
}
static void
to(const char *s, ...)
{
tino_va_list list;
tino_va_start(list, s);
vex(211, &list, "timeout", 0);
/* never reached */
}
static void
fin(int ret, const char *s, ...)
{
tino_va_list list;
tino_va_start(list, s);
vex(ret, &list, "info", 0);
/* never reached */
}
template <typename TBuffer> inline typename TBuffer::cursor_t TR_X86OpCode::OpCode_t::encode(typename TBuffer::cursor_t cursor, uint8_t rexbits) const
{
TBuffer buffer(cursor);
if (isX87())
{
buffer.append(opcode);
// Heuristics for X87 second byte opcode
// It could be eliminated if GCC/MSVC fully support initializer list
buffer.append((uint8_t)((modrm_opcode << 5) | (modrm_form << 3) | immediate_size));
return buffer;
}
// Prefixes
TR::Instruction::REX rex(rexbits);
rex.W = rex_w;
// Use AVX if possible
if (supportsAVX() && TR::CodeGenerator::getX86ProcessorInfo().supportsAVX())
{
TR::Instruction::VEX<3> vex(rex, modrm_opcode);
vex.m = escape;
vex.L = vex_l;
vex.p = prefixes;
vex.opcode = opcode;
if(vex.CanBeShortened())
{
buffer.append(TR::Instruction::VEX<2>(vex));
}
else
{
buffer.append(vex);
}
}
else
{
switch (prefixes)
{
case PREFIX___:
break;
case PREFIX_66:
buffer.append('\x66');
break;
case PREFIX_F2:
buffer.append('\xf2');
break;
case PREFIX_F3:
buffer.append('\xf3');
break;
default:
break;
}
// REX
if (rex.value() || rexbits)
{
buffer.append(rex);
}
// OpCode escape
switch (escape)
{
case ESCAPE_____:
break;
case ESCAPE_0F__:
buffer.append('\x0f');
break;
case ESCAPE_0F38:
buffer.append('\x0f');
buffer.append('\x38');
break;
case ESCAPE_0F3A:
buffer.append('\x0f');
buffer.append('\x3a');
break;
default:
break;
}
// OpCode
buffer.append(opcode);
// ModRM
if (modrm_form)
{
buffer.append(TR::Instruction::ModRM(modrm_opcode));
}
}
return buffer;
}
