[ELF][MIPS] Support R_MIPS_HIGHER / R_MIPS_HIGHEST relocations calculation
llvm-svn: 280223
diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp
index f18789a..3f97079 100644
--- a/lld/ELF/Target.cpp
+++ b/lld/ELF/Target.cpp
@@ -1967,6 +1967,20 @@
}
template <endianness E>
+static void writeMipsHigher(uint8_t *Loc, uint64_t V) {
+ uint32_t Instr = read32<E>(Loc);
+ uint16_t Res = ((V + 0x80008000) >> 32) & 0xffff;
+ write32<E>(Loc, (Instr & 0xffff0000) | Res);
+}
+
+template <endianness E>
+static void writeMipsHighest(uint8_t *Loc, uint64_t V) {
+ uint32_t Instr = read32<E>(Loc);
+ uint16_t Res = ((V + 0x800080008000) >> 48) & 0xffff;
+ write32<E>(Loc, (Instr & 0xffff0000) | Res);
+}
+
+template <endianness E>
static void writeMipsLo16(uint8_t *Loc, uint64_t V) {
uint32_t Instr = read32<E>(Loc);
write32<E>(Loc, (Instr & 0xffff0000) | (V & 0xffff));
@@ -2150,6 +2164,12 @@
case R_MIPS_TLS_TPREL_HI16:
writeMipsHi16<E>(Loc, Val);
break;
+ case R_MIPS_HIGHER:
+ writeMipsHigher<E>(Loc, Val);
+ break;
+ case R_MIPS_HIGHEST:
+ writeMipsHighest<E>(Loc, Val);
+ break;
case R_MIPS_JALR:
// Ignore this optimization relocation for now
break;