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ELF2: Define or{16,32,64}le that are analogous to add32le. 

llvm-svn: 249435
This commit is contained in:
Rui Ueyama 2015-10-06 18:08:03 +00:00
parent d16d6c0046
commit 190beb3144
1 changed files with 7 additions and 4 deletions
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11
lld/ELF/Target.cpp
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@ -60,6 +60,9 @@ bool X86TargetInfo::relocNeedsPlt(uint32_t Type, const SymbolBody &S) const {
} }
static void add32le(uint8_t *P, int32_t V) { write32le(P, read32le(P) + V); } static void add32le(uint8_t *P, int32_t V) { write32le(P, read32le(P) + V); }
static void or16le(uint8_t *P, int16_t V) { write16le(P, read16le(P) + V); }
static void or32le(uint8_t *P, int32_t V) { write32le(P, read32le(P) + V); }
static void or64le(uint8_t *P, int64_t V) { write64le(P, read64le(P) + V); }
void X86TargetInfo::relocateOne(uint8_t *Buf, const void *RelP, uint32_t Type, void X86TargetInfo::relocateOne(uint8_t *Buf, const void *RelP, uint32_t Type,
uint64_t BaseAddr, uint64_t SymVA, uint64_t BaseAddr, uint64_t SymVA,
@ -286,26 +289,26 @@ static void handle_ABS16(uint8_t *Location, uint64_t S, int64_t A) {
uint64_t X = S + A; uint64_t X = S + A;
if (!isInt<16>(X)) // -2^15 <= X < 2^16 if (!isInt<16>(X)) // -2^15 <= X < 2^16
error("Relocation R_AARCH64_ABS16 out of range"); error("Relocation R_AARCH64_ABS16 out of range");
write16le(Location, read16le(Location) | X); or16le(Location, X);
} }
static void handle_ABS32(uint8_t *Location, uint64_t S, int64_t A) { static void handle_ABS32(uint8_t *Location, uint64_t S, int64_t A) {
uint64_t X = S + A; uint64_t X = S + A;
if (!isInt<32>(X)) // -2^31 <= X < 2^32 if (!isInt<32>(X)) // -2^31 <= X < 2^32
error("Relocation R_AARCH64_ABS32 out of range"); error("Relocation R_AARCH64_ABS32 out of range");
write32le(Location, read32le(Location) | X); or32le(Location, X);
} }
static void handle_ABS64(uint8_t *Location, uint64_t S, int64_t A) { static void handle_ABS64(uint8_t *Location, uint64_t S, int64_t A) {
uint64_t X = S + A; uint64_t X = S + A;
// No overflow check. // No overflow check.
write64le(Location, read64le(Location) | X); or64le(Location, X);
} }
static void handle_ADD_ABS_LO12_NC(uint8_t *Location, uint64_t S, int64_t A) { static void handle_ADD_ABS_LO12_NC(uint8_t *Location, uint64_t S, int64_t A) {
// No overflow check. // No overflow check.
uint64_t X = ((S + A) & 0xFFF) << 10; uint64_t X = ((S + A) & 0xFFF) << 10;
write32le(Location, read32le(Location) | X); or32le(Location, X);
} }
static void handle_ADR_PREL_LO21(uint8_t *Location, uint64_t S, int64_t A, static void handle_ADR_PREL_LO21(uint8_t *Location, uint64_t S, int64_t A,