diff options
Diffstat (limited to 'ELF/Arch/SPARCV9.cpp')
| -rw-r--r-- | ELF/Arch/SPARCV9.cpp | 102 |
1 files changed, 51 insertions, 51 deletions
diff --git a/ELF/Arch/SPARCV9.cpp b/ELF/Arch/SPARCV9.cpp index 831aa2028e7fd..5299206dd919f 100644 --- a/ELF/Arch/SPARCV9.cpp +++ b/ELF/Arch/SPARCV9.cpp @@ -1,9 +1,8 @@ //===- SPARCV9.cpp --------------------------------------------------------===// // -// The LLVM Linker -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. +// 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 // //===----------------------------------------------------------------------===// @@ -24,32 +23,32 @@ namespace { class SPARCV9 final : public TargetInfo { public: SPARCV9(); - RelExpr getRelExpr(RelType Type, const Symbol &S, - const uint8_t *Loc) const override; - void writePlt(uint8_t *Buf, uint64_t GotEntryAddr, uint64_t PltEntryAddr, - int32_t Index, unsigned RelOff) const override; - void relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const override; + RelExpr getRelExpr(RelType type, const Symbol &s, + const uint8_t *loc) const override; + void writePlt(uint8_t *buf, uint64_t gotEntryAddr, uint64_t pltEntryAddr, + int32_t index, unsigned relOff) const override; + void relocateOne(uint8_t *loc, RelType type, uint64_t val) const override; }; } // namespace SPARCV9::SPARCV9() { - CopyRel = R_SPARC_COPY; - GotRel = R_SPARC_GLOB_DAT; - NoneRel = R_SPARC_NONE; - PltRel = R_SPARC_JMP_SLOT; - RelativeRel = R_SPARC_RELATIVE; - GotEntrySize = 8; - PltEntrySize = 32; - PltHeaderSize = 4 * PltEntrySize; + copyRel = R_SPARC_COPY; + gotRel = R_SPARC_GLOB_DAT; + noneRel = R_SPARC_NONE; + pltRel = R_SPARC_JMP_SLOT; + relativeRel = R_SPARC_RELATIVE; + symbolicRel = R_SPARC_64; + pltEntrySize = 32; + pltHeaderSize = 4 * pltEntrySize; - PageSize = 8192; - DefaultMaxPageSize = 0x100000; - DefaultImageBase = 0x100000; + defaultCommonPageSize = 8192; + defaultMaxPageSize = 0x100000; + defaultImageBase = 0x100000; } -RelExpr SPARCV9::getRelExpr(RelType Type, const Symbol &S, - const uint8_t *Loc) const { - switch (Type) { +RelExpr SPARCV9::getRelExpr(RelType type, const Symbol &s, + const uint8_t *loc) const { + switch (type) { case R_SPARC_32: case R_SPARC_UA32: case R_SPARC_64: @@ -69,64 +68,65 @@ RelExpr SPARCV9::getRelExpr(RelType Type, const Symbol &S, case R_SPARC_NONE: return R_NONE; default: - return R_INVALID; + error(getErrorLocation(loc) + "unknown relocation (" + Twine(type) + + ") against symbol " + toString(s)); + return R_NONE; } } -void SPARCV9::relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const { - switch (Type) { +void SPARCV9::relocateOne(uint8_t *loc, RelType type, uint64_t val) const { + switch (type) { case R_SPARC_32: case R_SPARC_UA32: // V-word32 - checkUInt(Loc, Val, 32, Type); - write32be(Loc, Val); + checkUInt(loc, val, 32, type); + write32be(loc, val); break; case R_SPARC_DISP32: // V-disp32 - checkInt(Loc, Val, 32, Type); - write32be(Loc, Val); + checkInt(loc, val, 32, type); + write32be(loc, val); break; case R_SPARC_WDISP30: case R_SPARC_WPLT30: // V-disp30 - checkInt(Loc, Val, 32, Type); - write32be(Loc, (read32be(Loc) & ~0x3fffffff) | ((Val >> 2) & 0x3fffffff)); + checkInt(loc, val, 32, type); + write32be(loc, (read32be(loc) & ~0x3fffffff) | ((val >> 2) & 0x3fffffff)); break; case R_SPARC_22: // V-imm22 - checkUInt(Loc, Val, 22, Type); - write32be(Loc, (read32be(Loc) & ~0x003fffff) | (Val & 0x003fffff)); + checkUInt(loc, val, 22, type); + write32be(loc, (read32be(loc) & ~0x003fffff) | (val & 0x003fffff)); break; case R_SPARC_GOT22: case R_SPARC_PC22: // T-imm22 - write32be(Loc, (read32be(Loc) & ~0x003fffff) | ((Val >> 10) & 0x003fffff)); + write32be(loc, (read32be(loc) & ~0x003fffff) | ((val >> 10) & 0x003fffff)); break; case R_SPARC_WDISP19: // V-disp19 - checkInt(Loc, Val, 21, Type); - write32be(Loc, (read32be(Loc) & ~0x0007ffff) | ((Val >> 2) & 0x0007ffff)); + checkInt(loc, val, 21, type); + write32be(loc, (read32be(loc) & ~0x0007ffff) | ((val >> 2) & 0x0007ffff)); break; case R_SPARC_GOT10: case R_SPARC_PC10: // T-simm10 - write32be(Loc, (read32be(Loc) & ~0x000003ff) | (Val & 0x000003ff)); + write32be(loc, (read32be(loc) & ~0x000003ff) | (val & 0x000003ff)); break; case R_SPARC_64: case R_SPARC_UA64: - case R_SPARC_GLOB_DAT: // V-xword64 - write64be(Loc, Val); + write64be(loc, val); break; default: - error(getErrorLocation(Loc) + "unrecognized reloc " + Twine(Type)); + llvm_unreachable("unknown relocation"); } } -void SPARCV9::writePlt(uint8_t *Buf, uint64_t GotEntryAddr, - uint64_t PltEntryAddr, int32_t Index, - unsigned RelOff) const { - const uint8_t PltData[] = { +void SPARCV9::writePlt(uint8_t *buf, uint64_t gotEntryAddr, + uint64_t pltEntryAddr, int32_t index, + unsigned relOff) const { + const uint8_t pltData[] = { 0x03, 0x00, 0x00, 0x00, // sethi (. - .PLT0), %g1 0x30, 0x68, 0x00, 0x00, // ba,a %xcc, .PLT1 0x01, 0x00, 0x00, 0x00, // nop @@ -136,14 +136,14 @@ void SPARCV9::writePlt(uint8_t *Buf, uint64_t GotEntryAddr, 0x01, 0x00, 0x00, 0x00, // nop 0x01, 0x00, 0x00, 0x00 // nop }; - memcpy(Buf, PltData, sizeof(PltData)); + memcpy(buf, pltData, sizeof(pltData)); - uint64_t Off = getPltEntryOffset(Index); - relocateOne(Buf, R_SPARC_22, Off); - relocateOne(Buf + 4, R_SPARC_WDISP19, -(Off + 4 - PltEntrySize)); + uint64_t off = pltHeaderSize + pltEntrySize * index; + relocateOne(buf, R_SPARC_22, off); + relocateOne(buf + 4, R_SPARC_WDISP19, -(off + 4 - pltEntrySize)); } TargetInfo *elf::getSPARCV9TargetInfo() { - static SPARCV9 Target; - return &Target; + static SPARCV9 target; + return ⌖ } |