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usr / src / contrib / llvm-project / llvm / lib / Target / BPF /

📁 ..
📁 AsmParser
📄 BPF.h(1.33 KB)
📄 BPF.td(1.63 KB)
📄 BPFAbstractMemberAccess.cpp(33.35 KB)
📄 BPFAsmPrinter.cpp(5.11 KB)
📄 BPFCORE.h(1.16 KB)
📄 BPFCallingConv.td(1.79 KB)
📄 BPFFrameLowering.cpp(1.49 KB)
📄 BPFFrameLowering.h(1.46 KB)
📄 BPFISelDAGToDAG.cpp(16.73 KB)
📄 BPFISelLowering.cpp(28.04 KB)
📄 BPFISelLowering.h(5.33 KB)
📄 BPFInstrFormats.td(2.81 KB)
📄 BPFInstrInfo.cpp(8.23 KB)
📄 BPFInstrInfo.h(2.43 KB)
📄 BPFInstrInfo.td(30.55 KB)
📄 BPFMCInstLower.cpp(2.62 KB)
📄 BPFMCInstLower.h(1.17 KB)
📄 BPFMIChecking.cpp(6.54 KB)
📄 BPFMIPeephole.cpp(15.45 KB)
📄 BPFMISimplifyPatchable.cpp(10.86 KB)
📄 BPFPreserveDIType.cpp(3.93 KB)
📄 BPFRegisterInfo.cpp(3.96 KB)
📄 BPFRegisterInfo.h(1.23 KB)
📄 BPFRegisterInfo.td(1.51 KB)
📄 BPFSelectionDAGInfo.cpp(1.63 KB)
📄 BPFSelectionDAGInfo.h(1.24 KB)
📄 BPFSubtarget.cpp(1.84 KB)
📄 BPFSubtarget.h(2.83 KB)
📄 BPFTargetMachine.cpp(4.43 KB)
📄 BPFTargetMachine.h(1.41 KB)
📄 BTF.def(1015 B)
📄 BTF.h(8.27 KB)
📄 BTFDebug.cpp(41.2 KB)
📄 BTFDebug.h(11.66 KB)
📁 Disassembler
📁 MCTargetDesc
📁 TargetInfo

Editing: BPFCallingConv.td

//===-- BPFCallingConv.td - Calling Conventions BPF --------*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This describes the calling conventions for the BPF architecture.
//
//===----------------------------------------------------------------------===//

// BPF 64-bit C return-value convention.
def RetCC_BPF64 : CallingConv<[CCIfType<[i64], CCAssignToReg<[R0]>>]>;

// BPF 64-bit C Calling convention.
def CC_BPF64 : CallingConv<[
  // Promote i8/i16/i32 args to i64
  CCIfType<[ i8, i16, i32 ], CCPromoteToType<i64>>,

// All arguments get passed in integer registers if there is space.
  CCIfType<[i64], CCAssignToReg<[ R1, R2, R3, R4, R5 ]>>,

// Could be assigned to the stack in 8-byte aligned units, but unsupported
  CCAssignToStack<8, 8>
]>;

// Return-value convention when -mattr=+alu32 enabled
def RetCC_BPF32 : CallingConv<[
  CCIfType<[i32], CCAssignToRegWithShadow<[W0], [R0]>>,
  CCIfType<[i64], CCAssignToRegWithShadow<[R0], [W0]>>
]>;

// Calling convention when -mattr=+alu32 enabled
def CC_BPF32 : CallingConv<[
  // Promote i8/i16/i32 args to i64
  CCIfType<[i32], CCAssignToRegWithShadow<[W1, W2, W3, W4, W5],
                                          [R1, R2, R3, R4, R5]>>,

// All arguments get passed in integer registers if there is space.
  CCIfType<[i64], CCAssignToRegWithShadow<[R1, R2, R3, R4, R5],
                                          [W1, W2, W3, W4, W5]>>,

// Could be assigned to the stack in 8-byte aligned units, but unsupported
  CCAssignToStack<8, 8>
]>;

def CSR : CalleeSavedRegs<(add R6, R7, R8, R9, R10)>;

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Editing: BPFCallingConv.td

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