projects / apple / javascriptcore.git / blame
| Commit | Line | Data |
|---|---|---|
| 81345200 A |
1 | /* |
| 2 | * Copyright (C) 2014 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted provided that the following conditions | |
| 6 | * are met: | |
| 7 | * 1. Redistributions of source code must retain the above copyright | |
| 8 | * notice, this list of conditions and the following disclaimer. | |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 | * notice, this list of conditions and the following disclaimer in the | |
| 11 | * documentation and/or other materials provided with the distribution. | |
| 12 | * | |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 | */ | |
| 25 | ||
| 26 | #include "config.h" | |
| 27 | #include "FTLDWARFRegister.h" | |
| 28 | ||
| 29 | #if ENABLE(FTL_JIT) | |
| 30 | ||
| 31 | #include "FPRInfo.h" | |
| 32 | #include "GPRInfo.h" | |
| 33 | ||
| 34 | namespace JSC { namespace FTL { | |
| 35 | ||
| 36 | Reg DWARFRegister::reg() const | |
| 37 | { | |
| 38 | #if CPU(X86_64) | |
| 39 | if (m_dwarfRegNum >= 0 && m_dwarfRegNum < 16) { | |
| 40 | switch (dwarfRegNum()) { | |
| 41 | case 0: | |
| 42 | return X86Registers::eax; | |
| 43 | case 1: | |
| 44 | return X86Registers::edx; | |
| 45 | case 2: | |
| 46 | return X86Registers::ecx; | |
| 47 | case 3: | |
| 48 | return X86Registers::ebx; | |
| 49 | case 4: | |
| 50 | return X86Registers::esi; | |
| 51 | case 5: | |
| 52 | return X86Registers::edi; | |
| 53 | case 6: | |
| 54 | return X86Registers::ebp; | |
| 55 | case 7: | |
| 56 | return X86Registers::esp; | |
| 57 | default: | |
| 58 | RELEASE_ASSERT(m_dwarfRegNum < 16); | |
| 59 | // Registers r8..r15 are numbered sensibly. | |
| 60 | return static_cast<GPRReg>(m_dwarfRegNum); | |
| 61 | } | |
| 62 | } | |
| 63 | if (m_dwarfRegNum >= 17 && m_dwarfRegNum <= 32) | |
| 64 | return static_cast<FPRReg>(m_dwarfRegNum - 17); | |
| 65 | #elif CPU(ARM64) | |
| 66 | if (m_dwarfRegNum >= 0 && m_dwarfRegNum <= 31) | |
| 67 | return static_cast<GPRReg>(m_dwarfRegNum); | |
| 68 | if (m_dwarfRegNum >= 64 && m_dwarfRegNum <= 95) | |
| 69 | return static_cast<FPRReg>(m_dwarfRegNum - 64); | |
| 70 | #endif | |
| 71 | return Reg(); | |
| 72 | } | |
| 73 | ||
| 74 | void DWARFRegister::dump(PrintStream& out) const | |
| 75 | { | |
| 76 | Reg reg = this->reg(); | |
| 77 | if (!!reg) | |
| 78 | out.print(reg); | |
| 79 | else | |
| 80 | out.print("<unknown:", m_dwarfRegNum, ">"); | |
| 81 | } | |
| 82 | ||
| 83 | } } // namespace JSC::FTL | |
| 84 | ||
| 85 | #endif // ENABLE(FTL_JIT) | |
| 86 |