mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 19:52:54 +01:00
104 lines
3.7 KiB
C++
104 lines
3.7 KiB
C++
//===-- llvm/CallingConv.h - LLVM Calling Conventions -----------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines LLVM's set of calling conventions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_CALLINGCONV_H
|
|
#define LLVM_CALLINGCONV_H
|
|
|
|
namespace llvm {
|
|
|
|
/// CallingConv Namespace - This namespace contains an enum with a value for
|
|
/// the well-known calling conventions.
|
|
///
|
|
namespace CallingConv {
|
|
/// A set of enums which specify the assigned numeric values for known llvm
|
|
/// calling conventions.
|
|
/// @brief LLVM Calling Convention Representation
|
|
enum ID {
|
|
/// C - The default llvm calling convention, compatible with C. This
|
|
/// convention is the only calling convention that supports varargs calls.
|
|
/// As with typical C calling conventions, the callee/caller have to
|
|
/// tolerate certain amounts of prototype mismatch.
|
|
C = 0,
|
|
|
|
// Generic LLVM calling conventions. None of these calling conventions
|
|
// support varargs calls, and all assume that the caller and callee
|
|
// prototype exactly match.
|
|
|
|
/// Fast - This calling convention attempts to make calls as fast as
|
|
/// possible (e.g. by passing things in registers).
|
|
Fast = 8,
|
|
|
|
// Cold - This calling convention attempts to make code in the caller as
|
|
// efficient as possible under the assumption that the call is not commonly
|
|
// executed. As such, these calls often preserve all registers so that the
|
|
// call does not break any live ranges in the caller side.
|
|
Cold = 9,
|
|
|
|
// GHC - Calling convention used by the Glasgow Haskell Compiler (GHC).
|
|
GHC = 10,
|
|
|
|
// Target - This is the start of the target-specific calling conventions,
|
|
// e.g. fastcall and thiscall on X86.
|
|
FirstTargetCC = 64,
|
|
|
|
/// X86_StdCall - stdcall is the calling conventions mostly used by the
|
|
/// Win32 API. It is basically the same as the C convention with the
|
|
/// difference in that the callee is responsible for popping the arguments
|
|
/// from the stack.
|
|
X86_StdCall = 64,
|
|
|
|
/// X86_FastCall - 'fast' analog of X86_StdCall. Passes first two arguments
|
|
/// in ECX:EDX registers, others - via stack. Callee is responsible for
|
|
/// stack cleaning.
|
|
X86_FastCall = 65,
|
|
|
|
/// ARM_APCS - ARM Procedure Calling Standard calling convention (obsolete,
|
|
/// but still used on some targets).
|
|
ARM_APCS = 66,
|
|
|
|
/// ARM_AAPCS - ARM Architecture Procedure Calling Standard calling
|
|
/// convention (aka EABI). Soft float variant.
|
|
ARM_AAPCS = 67,
|
|
|
|
/// ARM_AAPCS_VFP - Same as ARM_AAPCS, but uses hard floating point ABI.
|
|
ARM_AAPCS_VFP = 68,
|
|
|
|
/// MSP430_INTR - Calling convention used for MSP430 interrupt routines.
|
|
MSP430_INTR = 69,
|
|
|
|
/// X86_ThisCall - Similar to X86_StdCall. Passes first argument in ECX,
|
|
/// others via stack. Callee is responsible for stack cleaning. MSVC uses
|
|
/// this by default for methods in its ABI.
|
|
X86_ThisCall = 70,
|
|
|
|
/// PTX_Kernel - Call to a PTX kernel.
|
|
/// Passes all arguments in parameter space.
|
|
PTX_Kernel = 71,
|
|
|
|
/// PTX_Device - Call to a PTX device function.
|
|
/// Passes all arguments in register or parameter space.
|
|
PTX_Device = 72,
|
|
|
|
/// MBLAZE_INTR - Calling convention used for MBlaze interrupt routines.
|
|
MBLAZE_INTR = 73,
|
|
|
|
/// MBLAZE_INTR - Calling convention used for MBlaze interrupt support
|
|
/// routines (i.e. GCC's save_volatiles attribute).
|
|
MBLAZE_SVOL = 74
|
|
};
|
|
} // End CallingConv namespace
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|