return (Num & (((1ULL << (Size + 1)) - 1) << Low)) >> Low;
}
+static inline bool isInRangeForImmS32(int64_t Value) {
+ return (Value >= std::numeric_limits<int32_t>::min() &&
+ Value <= std::numeric_limits<int32_t>::max());
+}
+
+static inline bool isInRangeForImmU32(uint64_t Value) {
+ return Value <= std::numeric_limits<uint32_t>::max();
+}
+
class ELFJITLinker_riscv : public JITLinker<ELFJITLinker_riscv> {
friend class JITLinker<ELFJITLinker_riscv>;
break;
}
case R_RISCV_HI20: {
- int64_t Value = E.getTarget().getAddress() + E.getAddend();
+ uint64_t Value = E.getTarget().getAddress() + E.getAddend();
+ if (LLVM_UNLIKELY(!isInRangeForImmU32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int32_t Hi = (Value + 0x800) & 0xFFFFF000;
uint32_t RawInstr = *(little32_t *)FixupPtr;
*(little32_t *)FixupPtr = (RawInstr & 0xFFF) | static_cast<uint32_t>(Hi);
break;
}
case R_RISCV_LO12_I: {
- int64_t Value = E.getTarget().getAddress() + E.getAddend();
+ uint64_t Value = E.getTarget().getAddress() + E.getAddend();
+ if (LLVM_UNLIKELY(!isInRangeForImmU32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int32_t Lo = Value & 0xFFF;
uint32_t RawInstr = *(little32_t *)FixupPtr;
*(little32_t *)FixupPtr =
}
case R_RISCV_CALL: {
int64_t Value = E.getTarget().getAddress() + E.getAddend() - FixupAddress;
+ if (LLVM_UNLIKELY(!isInRangeForImmS32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int32_t Hi = (Value + 0x800) & 0xFFFFF000;
int32_t Lo = Value & 0xFFF;
uint32_t RawInstrAuipc = *(little32_t *)FixupPtr;
}
case R_RISCV_PCREL_HI20: {
int64_t Value = E.getTarget().getAddress() + E.getAddend() - FixupAddress;
+ if (LLVM_UNLIKELY(!isInRangeForImmS32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int32_t Hi = (Value + 0x800) & 0xFFFFF000;
uint32_t RawInstr = *(little32_t *)FixupPtr;
*(little32_t *)FixupPtr = (RawInstr & 0xFFF) | static_cast<uint32_t>(Hi);
return RelHI20.takeError();
int64_t Value = RelHI20->getTarget().getAddress() +
RelHI20->getAddend() - E.getTarget().getAddress();
+ if (LLVM_UNLIKELY(!isInRangeForImmS32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int64_t Lo = Value & 0xFFF;
uint32_t RawInstr = *(little32_t *)FixupPtr;
*(little32_t *)FixupPtr =
auto RelHI20 = getRISCVPCRelHi20(E);
int64_t Value = RelHI20->getTarget().getAddress() +
RelHI20->getAddend() - E.getTarget().getAddress();
+ if (LLVM_UNLIKELY(!isInRangeForImmS32(Value)))
+ return makeTargetOutOfRangeError(G, B, E);
int64_t Lo = Value & 0xFFF;
uint32_t Imm31_25 = extractBits(Lo, 5, 7) << 25;
uint32_t Imm11_7 = extractBits(Lo, 0, 5) << 7;
# RUN: llvm-mc -triple=riscv32 -position-independent -filetype=obj \
# RUN: -o %t/elf_riscv32_sm_pic_reloc.o %s
# RUN: llvm-jitlink -noexec \
-# RUN: -slab-allocate 100Kb -slab-address 0xfff00000 -slab-page-size 4096 \
+# RUN: -slab-allocate 100Kb -slab-address 0x1ff00000 -slab-page-size 4096 \
# RUN: -define-abs external_func=0x1 -define-abs external_data=0x2 \
# RUN: -check %s %t/elf_riscv64_sm_pic_reloc.o
# RUN: llvm-jitlink -noexec \
-# RUN: -slab-allocate 100Kb -slab-address 0xfff00000 -slab-page-size 4096 \
+# RUN: -slab-allocate 100Kb -slab-address 0x1ff00000 -slab-page-size 4096 \
# RUN: -define-abs external_func=0x1 -define-abs external_data=0x2 \
# RUN: -check %s %t/elf_riscv32_sm_pic_reloc.o
#