hphp/runtime/vm/jit/abi-x64.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 #ifndef incl_HPHP_JIT_ABI_X64_H_
  18 #define incl_HPHP_JIT_ABI_X64_H_
  19
  20 #include "hphp/runtime/vm/jit/abi-regs.h"
  21 #include "hphp/runtime/vm/jit/phys-reg.h"
  22
  23 #include "hphp/util/asm-x64.h"
  24
  25 namespace HPHP { namespace jit {
  26
  27 struct Abi;
  28
  29 namespace x64 {
  30
  31 ///////////////////////////////////////////////////////////////////////////////
  32
  33 /*
  34  * Mirrors the API of abi.h.
  35  */
  36
  37 const Abi& abi(CodeKind kind = CodeKind::Trace);
  38
  39 constexpr PhysReg rvmfp() { return reg::rbp; }
  40 constexpr PhysReg rvmsp() { return reg::rbx; }
  41 constexpr PhysReg rvmtl() { return reg::r12; }
  42 constexpr PhysReg rsp()   { return reg::rsp; }
  43
  44 inline RegSet vm_regs_no_sp()   { return rvmfp() | rvmtl(); }
  45 inline RegSet vm_regs_with_sp() { return vm_regs_no_sp() | rvmsp(); }
  46
  47 constexpr PhysReg rret_data() { return reg::rax; }
  48 constexpr PhysReg rret_type() { return reg::rdx; }
  49
  50 PhysReg rret(size_t i = 0);
  51 PhysReg rret_simd(size_t i);
  52
  53 PhysReg rarg(size_t i);
  54 PhysReg rarg_simd(size_t i);
  55 PhysReg rarg_ind_ret(size_t i);
  56
  57 size_t num_arg_regs();
  58 size_t num_arg_regs_simd();
  59 size_t num_arg_regs_ind_ret();
  60
  61 RegSet arg_regs(size_t n);
  62 RegSet arg_regs_simd(size_t n);
  63 RegSet arg_regs_ind_ret(size_t n);
  64
  65 constexpr PhysReg r_svcreq_req()  { return reg::rdi; }
  66 constexpr PhysReg r_svcreq_stub() { return reg::r10; }
  67 PhysReg r_svcreq_sf();
  68 PhysReg r_svcreq_arg(size_t i);
  69
  70 ///////////////////////////////////////////////////////////////////////////////
  71
  72 inline Vflags required_flags(jit::ConditionCode cc) { return 0xff; }
  73
  74 ///////////////////////////////////////////////////////////////////////////////
  75
  76 }}}
  77
  78 #endif