X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCallingConv.h;h=c54527c21877e57bb139ca83e71536fe1b451a81;hb=9e6d1d1f5034347d237941f1bf08fba5c1583cd3;hp=2e3cceeb466e4084d6fd080cca58a0ccd8427b7a;hpb=bddcb9427cb36ac6609fef233eaac3c9b5e5a8f4;p=oota-llvm.git diff --git a/include/llvm/CallingConv.h b/include/llvm/CallingConv.h index 2e3cceeb466..c54527c2187 100644 --- a/include/llvm/CallingConv.h +++ b/include/llvm/CallingConv.h @@ -2,8 +2,8 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // @@ -24,26 +24,18 @@ namespace CallingConv { /// 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 - 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, - /// CSRet - C Struct Return calling convention. This convention requires - /// that the function return void and take a pointer as the first argument - /// of the struct. This is used by targets which need to distinguish - /// between C functions returning a structure, and C functions taking a - /// structure pointer as the first argument to the function. - CSRet = 1, - - // 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 - 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 @@ -54,7 +46,32 @@ namespace CallingConv { // Target - This is the start of the target-specific calling conventions, // e.g. fastcall and thiscall on X86. - FirstTargetCC = 64 + 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 }; } // End CallingConv namespace