lib/Target/Mips/MipsMCInstLower.cpp - Issue 27690005: [MIPS] Modify LongBranch expansion to work with sandboxing

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Issue 27690005: [MIPS] Modify LongBranch expansion to work with sandboxing (Closed) Base URL: http://git.chromium.org/native_client/pnacl-llvm.git@master

Patch Set: Update. Created 7 years, 1 month ago

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1 //===-- MipsMCInstLower.cpp - Convert Mips MachineInstr to MCInst ---------===//	1 //===-- MipsMCInstLower.cpp - Convert Mips MachineInstr to MCInst ---------===//

2 //	2 //

3 // The LLVM Compiler Infrastructure	3 // The LLVM Compiler Infrastructure

4 //	4 //

5 // This file is distributed under the University of Illinois Open Source	5 // This file is distributed under the University of Illinois Open Source

6 // License. See LICENSE.TXT for details.	6 // License. See LICENSE.TXT for details.

7 //	7 //

8 //===----------------------------------------------------------------------===//	8 //===----------------------------------------------------------------------===//

9 //	9 //

10 // This file contains code to lower Mips MachineInstrs to their corresponding	10 // This file contains code to lower Mips MachineInstrs to their corresponding

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59 case MipsII::MO_GPOFF_LO: Kind = MCSymbolRefExpr::VK_Mips_GPOFF_LO; break;	59 case MipsII::MO_GPOFF_LO: Kind = MCSymbolRefExpr::VK_Mips_GPOFF_LO; break;

60 case MipsII::MO_GOT_DISP: Kind = MCSymbolRefExpr::VK_Mips_GOT_DISP; break;	60 case MipsII::MO_GOT_DISP: Kind = MCSymbolRefExpr::VK_Mips_GOT_DISP; break;

61 case MipsII::MO_GOT_PAGE: Kind = MCSymbolRefExpr::VK_Mips_GOT_PAGE; break;	61 case MipsII::MO_GOT_PAGE: Kind = MCSymbolRefExpr::VK_Mips_GOT_PAGE; break;

62 case MipsII::MO_GOT_OFST: Kind = MCSymbolRefExpr::VK_Mips_GOT_OFST; break;	62 case MipsII::MO_GOT_OFST: Kind = MCSymbolRefExpr::VK_Mips_GOT_OFST; break;

63 case MipsII::MO_HIGHER: Kind = MCSymbolRefExpr::VK_Mips_HIGHER; break;	63 case MipsII::MO_HIGHER: Kind = MCSymbolRefExpr::VK_Mips_HIGHER; break;

64 case MipsII::MO_HIGHEST: Kind = MCSymbolRefExpr::VK_Mips_HIGHEST; break;	64 case MipsII::MO_HIGHEST: Kind = MCSymbolRefExpr::VK_Mips_HIGHEST; break;

65 case MipsII::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Mips_GOT_HI16; break;	65 case MipsII::MO_GOT_HI16: Kind = MCSymbolRefExpr::VK_Mips_GOT_HI16; break;

66 case MipsII::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Mips_GOT_LO16; break;	66 case MipsII::MO_GOT_LO16: Kind = MCSymbolRefExpr::VK_Mips_GOT_LO16; break;

67 case MipsII::MO_CALL_HI16: Kind = MCSymbolRefExpr::VK_Mips_CALL_HI16; break;	67 case MipsII::MO_CALL_HI16: Kind = MCSymbolRefExpr::VK_Mips_CALL_HI16; break;

68 case MipsII::MO_CALL_LO16: Kind = MCSymbolRefExpr::VK_Mips_CALL_LO16; break;	68 case MipsII::MO_CALL_LO16: Kind = MCSymbolRefExpr::VK_Mips_CALL_LO16; break;

	69 // @LOCALMOD-START

	70 case MipsII::MO_NACL_LONG_BRANCH_HI16:

	71 Kind = MCSymbolRefExpr::VK_Mips_NACL_LONG_BRANCH_HI16; break;

	72 case MipsII::MO_NACL_LONG_BRANCH_LO16:

	73 Kind = MCSymbolRefExpr::VK_Mips_NACL_LONG_BRANCH_LO16; break;

	74 // @LOCALMOD-END

69 }	75 }

70	76

71 switch (MOTy) {	77 switch (MOTy) {

72 case MachineOperand::MO_MachineBasicBlock:	78 case MachineOperand::MO_MachineBasicBlock:

73 Symbol = MO.getMBB()->getSymbol();	79 Symbol = MO.getMBB()->getSymbol();

74 break;	80 break;

75	81

76 case MachineOperand::MO_GlobalAddress:	82 case MachineOperand::MO_GlobalAddress:

77 Symbol = Mang->getSymbol(MO.getGlobal());	83 Symbol = Mang->getSymbol(MO.getGlobal());

78 Offset += MO.getOffset();	84 Offset += MO.getOffset();

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157	163

158 for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {	164 for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {

159 const MachineOperand &MO = MI->getOperand(i);	165 const MachineOperand &MO = MI->getOperand(i);

160 MCOperand MCOp = LowerOperand(MO);	166 MCOperand MCOp = LowerOperand(MO);

161	167

162 if (MCOp.isValid())	168 if (MCOp.isValid())

163 OutMI.addOperand(MCOp);	169 OutMI.addOperand(MCOp);

164 }	170 }

165 }	171 }

166	172

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« lib/Target/Mips/MipsMCInstLower.h ('K') | « lib/Target/Mips/MipsMCInstLower.h ('k') | test/MC/Mips/nacl-long-branch.ll » ('j') | test/MC/Mips/nacl-long-branch.ll » ('J')