Index: ELF/Arch/Mips.cpp =================================================================== --- ELF/Arch/Mips.cpp +++ ELF/Arch/Mips.cpp @@ -14,11 +14,9 @@ #include "Thunks.h" #include "lld/Common/ErrorHandler.h" #include "llvm/Object/ELF.h" -#include "llvm/Support/Endian.h" using namespace llvm; using namespace llvm::object; -using namespace llvm::support::endian; using namespace llvm::ELF; using namespace lld; using namespace lld::elf; @@ -199,7 +197,7 @@ uint64_t va = in.plt->getVA(); if (isMicroMips()) va |= 1; - write32(buf, va); + write32(buf, va); } template static uint32_t readShuffle(const uint8_t *loc) { @@ -209,7 +207,7 @@ // as early as possible. To do so, little-endian binaries keep 16-bit // words in a big-endian order. That is why we have to swap these // words to get a correct value. - uint32_t v = read32(loc); + uint32_t v = read32(loc); if (E == support::little) return (v << 16) | (v >> 16); return v; @@ -218,10 +216,10 @@ template static void writeValue(uint8_t *loc, uint64_t v, uint8_t bitsSize, uint8_t shift) { - uint32_t instr = read32(loc); + uint32_t instr = read32(loc); uint32_t mask = 0xffffffff >> (32 - bitsSize); uint32_t data = (instr & ~mask) | ((v >> shift) & mask); - write32(loc, data); + write32(loc, data); } template @@ -241,10 +239,10 @@ template static void writeMicroRelocation16(uint8_t *loc, uint64_t v, uint8_t bitsSize, uint8_t shift) { - uint16_t instr = read16(loc); + uint16_t instr = read16(loc); uint16_t mask = 0xffff >> (16 - bitsSize); uint16_t data = (instr & ~mask) | ((v >> shift) & mask); - write16(loc, data); + write16(loc, data); } template void MIPS::writePltHeader(uint8_t *buf) const { @@ -255,53 +253,53 @@ // Overwrite trap instructions written by Writer::writeTrapInstr. memset(buf, 0, pltHeaderSize); - write16(buf, isMipsR6() ? 0x7860 : 0x7980); // addiupc v1, (GOTPLT) - . - write16(buf + 4, 0xff23); // lw $25, 0($3) - write16(buf + 8, 0x0535); // subu16 $2, $2, $3 - write16(buf + 10, 0x2525); // srl16 $2, $2, 2 - write16(buf + 12, 0x3302); // addiu $24, $2, -2 - write16(buf + 14, 0xfffe); - write16(buf + 16, 0x0dff); // move $15, $31 + write16(buf, isMipsR6() ? 0x7860 : 0x7980); // addiupc v1, (GOTPLT) - . + write16(buf + 4, 0xff23); // lw $25, 0($3) + write16(buf + 8, 0x0535); // subu16 $2, $2, $3 + write16(buf + 10, 0x2525); // srl16 $2, $2, 2 + write16(buf + 12, 0x3302); // addiu $24, $2, -2 + write16(buf + 14, 0xfffe); + write16(buf + 16, 0x0dff); // move $15, $31 if (isMipsR6()) { - write16(buf + 18, 0x0f83); // move $28, $3 - write16(buf + 20, 0x472b); // jalrc $25 - write16(buf + 22, 0x0c00); // nop + write16(buf + 18, 0x0f83); // move $28, $3 + write16(buf + 20, 0x472b); // jalrc $25 + write16(buf + 22, 0x0c00); // nop relocateOne(buf, R_MICROMIPS_PC19_S2, gotPlt - plt); } else { - write16(buf + 18, 0x45f9); // jalrc $25 - write16(buf + 20, 0x0f83); // move $28, $3 - write16(buf + 22, 0x0c00); // nop + write16(buf + 18, 0x45f9); // jalrc $25 + write16(buf + 20, 0x0f83); // move $28, $3 + write16(buf + 22, 0x0c00); // nop relocateOne(buf, R_MICROMIPS_PC23_S2, gotPlt - plt); } return; } if (config->mipsN32Abi) { - write32(buf, 0x3c0e0000); // lui $14, %hi(&GOTPLT[0]) - write32(buf + 4, 0x8dd90000); // lw $25, %lo(&GOTPLT[0])($14) - write32(buf + 8, 0x25ce0000); // addiu $14, $14, %lo(&GOTPLT[0]) - write32(buf + 12, 0x030ec023); // subu $24, $24, $14 - write32(buf + 16, 0x03e07825); // move $15, $31 - write32(buf + 20, 0x0018c082); // srl $24, $24, 2 + write32(buf, 0x3c0e0000); // lui $14, %hi(&GOTPLT[0]) + write32(buf + 4, 0x8dd90000); // lw $25, %lo(&GOTPLT[0])($14) + write32(buf + 8, 0x25ce0000); // addiu $14, $14, %lo(&GOTPLT[0]) + write32(buf + 12, 0x030ec023); // subu $24, $24, $14 + write32(buf + 16, 0x03e07825); // move $15, $31 + write32(buf + 20, 0x0018c082); // srl $24, $24, 2 } else if (ELFT::Is64Bits) { - write32(buf, 0x3c0e0000); // lui $14, %hi(&GOTPLT[0]) - write32(buf + 4, 0xddd90000); // ld $25, %lo(&GOTPLT[0])($14) - write32(buf + 8, 0x25ce0000); // addiu $14, $14, %lo(&GOTPLT[0]) - write32(buf + 12, 0x030ec023); // subu $24, $24, $14 - write32(buf + 16, 0x03e07825); // move $15, $31 - write32(buf + 20, 0x0018c0c2); // srl $24, $24, 3 + write32(buf, 0x3c0e0000); // lui $14, %hi(&GOTPLT[0]) + write32(buf + 4, 0xddd90000); // ld $25, %lo(&GOTPLT[0])($14) + write32(buf + 8, 0x25ce0000); // addiu $14, $14, %lo(&GOTPLT[0]) + write32(buf + 12, 0x030ec023); // subu $24, $24, $14 + write32(buf + 16, 0x03e07825); // move $15, $31 + write32(buf + 20, 0x0018c0c2); // srl $24, $24, 3 } else { - write32(buf, 0x3c1c0000); // lui $28, %hi(&GOTPLT[0]) - write32(buf + 4, 0x8f990000); // lw $25, %lo(&GOTPLT[0])($28) - write32(buf + 8, 0x279c0000); // addiu $28, $28, %lo(&GOTPLT[0]) - write32(buf + 12, 0x031cc023); // subu $24, $24, $28 - write32(buf + 16, 0x03e07825); // move $15, $31 - write32(buf + 20, 0x0018c082); // srl $24, $24, 2 + write32(buf, 0x3c1c0000); // lui $28, %hi(&GOTPLT[0]) + write32(buf + 4, 0x8f990000); // lw $25, %lo(&GOTPLT[0])($28) + write32(buf + 8, 0x279c0000); // addiu $28, $28, %lo(&GOTPLT[0]) + write32(buf + 12, 0x031cc023); // subu $24, $24, $28 + write32(buf + 16, 0x03e07825); // move $15, $31 + write32(buf + 20, 0x0018c082); // srl $24, $24, 2 } uint32_t jalrInst = config->zHazardplt ? 0x0320fc09 : 0x0320f809; - write32(buf + 24, jalrInst); // jalr.hb $25 or jalr $25 - write32(buf + 28, 0x2718fffe); // subu $24, $24, 2 + write32(buf + 24, jalrInst); // jalr.hb $25 or jalr $25 + write32(buf + 28, 0x2718fffe); // subu $24, $24, 2 uint64_t gotPlt = in.gotPlt->getVA(); writeValue(buf, gotPlt + 0x8000, 16, 16); @@ -319,16 +317,16 @@ memset(buf, 0, pltEntrySize); if (isMipsR6()) { - write16(buf, 0x7840); // addiupc $2, (GOTPLT) - . - write16(buf + 4, 0xff22); // lw $25, 0($2) - write16(buf + 8, 0x0f02); // move $24, $2 - write16(buf + 10, 0x4723); // jrc $25 / jr16 $25 + write16(buf, 0x7840); // addiupc $2, (GOTPLT) - . + write16(buf + 4, 0xff22); // lw $25, 0($2) + write16(buf + 8, 0x0f02); // move $24, $2 + write16(buf + 10, 0x4723); // jrc $25 / jr16 $25 relocateOne(buf, R_MICROMIPS_PC19_S2, gotPltEntryAddr - pltEntryAddr); } else { - write16(buf, 0x7900); // addiupc $2, (GOTPLT) - . - write16(buf + 4, 0xff22); // lw $25, 0($2) - write16(buf + 8, 0x4599); // jrc $25 / jr16 $25 - write16(buf + 10, 0x0f02); // move $24, $2 + write16(buf, 0x7900); // addiupc $2, (GOTPLT) - . + write16(buf + 4, 0xff22); // lw $25, 0($2) + write16(buf + 8, 0x4599); // jrc $25 / jr16 $25 + write16(buf + 10, 0x0f02); // move $24, $2 relocateOne(buf, R_MICROMIPS_PC23_S2, gotPltEntryAddr - pltEntryAddr); } return; @@ -339,10 +337,10 @@ : (config->zHazardplt ? 0x03200408 : 0x03200008); uint32_t addInst = ELFT::Is64Bits ? 0x65f80000 : 0x25f80000; - write32(buf, 0x3c0f0000); // lui $15, %hi(.got.plt entry) - write32(buf + 4, loadInst); // l[wd] $25, %lo(.got.plt entry)($15) - write32(buf + 8, jrInst); // jr $25 / jr.hb $25 - write32(buf + 12, addInst); // [d]addiu $24, $15, %lo(.got.plt entry) + write32(buf, 0x3c0f0000); // lui $15, %hi(.got.plt entry) + write32(buf + 4, loadInst); // l[wd] $25, %lo(.got.plt entry)($15) + write32(buf + 8, jrInst); // jr $25 / jr.hb $25 + write32(buf + 12, addInst); // [d]addiu $24, $15, %lo(.got.plt entry) writeValue(buf, gotPltEntryAddr + 0x8000, 16, 16); writeValue(buf + 4, gotPltEntryAddr, 16, 0); writeValue(buf + 12, gotPltEntryAddr, 16, 0); @@ -379,16 +377,16 @@ case R_MIPS_GPREL32: case R_MIPS_TLS_DTPREL32: case R_MIPS_TLS_TPREL32: - return SignExtend64<32>(read32(buf)); + return SignExtend64<32>(read32(buf)); case R_MIPS_26: // FIXME (simon): If the relocation target symbol is not a PLT entry // we should use another expression for calculation: // ((A << 2) | (P & 0xf0000000)) >> 2 - return SignExtend64<28>(read32(buf) << 2); + return SignExtend64<28>(read32(buf) << 2); case R_MIPS_GOT16: case R_MIPS_HI16: case R_MIPS_PCHI16: - return SignExtend64<16>(read32(buf)) << 16; + return SignExtend64<16>(read32(buf)) << 16; case R_MIPS_GPREL16: case R_MIPS_LO16: case R_MIPS_PCLO16: @@ -396,7 +394,7 @@ case R_MIPS_TLS_DTPREL_LO16: case R_MIPS_TLS_TPREL_HI16: case R_MIPS_TLS_TPREL_LO16: - return SignExtend64<16>(read32(buf)); + return SignExtend64<16>(read32(buf)); case R_MICROMIPS_GOT16: case R_MICROMIPS_HI16: return SignExtend64<16>(readShuffle(buf)) << 16; @@ -410,21 +408,21 @@ case R_MICROMIPS_GPREL7_S2: return SignExtend64<9>(readShuffle(buf) << 2); case R_MIPS_PC16: - return SignExtend64<18>(read32(buf) << 2); + return SignExtend64<18>(read32(buf) << 2); case R_MIPS_PC19_S2: - return SignExtend64<21>(read32(buf) << 2); + return SignExtend64<21>(read32(buf) << 2); case R_MIPS_PC21_S2: - return SignExtend64<23>(read32(buf) << 2); + return SignExtend64<23>(read32(buf) << 2); case R_MIPS_PC26_S2: - return SignExtend64<28>(read32(buf) << 2); + return SignExtend64<28>(read32(buf) << 2); case R_MIPS_PC32: - return SignExtend64<32>(read32(buf)); + return SignExtend64<32>(read32(buf)); case R_MICROMIPS_26_S1: return SignExtend64<27>(readShuffle(buf) << 1); case R_MICROMIPS_PC7_S1: - return SignExtend64<8>(read16(buf) << 1); + return SignExtend64<8>(read16(buf) << 1); case R_MICROMIPS_PC10_S1: - return SignExtend64<11>(read16(buf) << 1); + return SignExtend64<11>(read16(buf) << 1); case R_MICROMIPS_PC16_S1: return SignExtend64<17>(readShuffle(buf) << 1); case R_MICROMIPS_PC18_S3: @@ -494,7 +492,7 @@ switch (type) { case R_MIPS_26: { - uint32_t inst = read32(loc) >> 26; + uint32_t inst = read32(loc) >> 26; if (inst == 0x3 || inst == 0x1d) { // JAL or JALX writeValue(loc, 0x1d << 26, 32, 0); return val; @@ -552,12 +550,12 @@ case R_MIPS_GPREL32: case R_MIPS_TLS_DTPREL32: case R_MIPS_TLS_TPREL32: - write32(loc, val); + write32(loc, val); break; case R_MIPS_64: case R_MIPS_TLS_DTPREL64: case R_MIPS_TLS_TPREL64: - write64(loc, val); + write64(loc, val); break; case R_MIPS_26: writeValue(loc, val, 26, 2); @@ -643,12 +641,12 @@ // Replace jalr/jr instructions by bal/b if the target // offset fits into the 18-bit range. if (isInt<18>(val)) { - switch (read32(loc)) { + switch (read32(loc)) { case 0x0320f809: // jalr $25 => bal sym - write32(loc, 0x04110000 | ((val >> 2) & 0xffff)); + write32(loc, 0x04110000 | ((val >> 2) & 0xffff)); break; case 0x03200008: // jr $25 => b sym - write32(loc, 0x10000000 | ((val >> 2) & 0xffff)); + write32(loc, 0x10000000 | ((val >> 2) & 0xffff)); break; } }