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RuntimeDyldELF: add LDST128_ABS_LO12_NC reloc 

llvm-svn: 292788
This commit is contained in:
Eugene Leviant 2017-01-23 13:52:08 +00:00
parent ae834047a4
commit beb17cc86c
2 changed files with 9 additions and 0 deletions
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6
llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -443,6 +443,12 @@ void RuntimeDyldELF::resolveAArch64Relocation(const SectionEntry &Section,
// from bits 11:3 of X
or32AArch64Imm(TargetPtr, getBits(Value + Addend, 3, 11));
break;
case ELF::R_AARCH64_LDST128_ABS_LO12_NC:
// Operation: S + A
// Immediate goes in bits 21:10 of LD/ST instruction, taken
// from bits 11:4 of X
or32AArch64Imm(TargetPtr, getBits(Value + Addend, 4, 11));
break;
}
}

3
llvm/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s
View File

@ -28,6 +28,8 @@ l:
ldr s4, [x5, :lo12:a]
# R_AARCH64_LDST64_ABS_LO12_NC
ldr x4, [x5, :lo12:a]
# R_AARCH64_LDST128_ABS_LO12_NC
ldr q4, [x5, :lo12:a]
p:
# R_AARCH64_ADR_PREL_PG_HI21
# Test both low and high immediate values
@ -66,6 +68,7 @@ r:
# rtdyld-check: (*{4}(l+4))[21:10] = (a+2)[11:1]
# rtdyld-check: (*{4}(l+8))[21:10] = a[11:2]
# rtdyld-check: (*{4}(l+12))[21:10] = a[11:3]
# rtdyld-check: (*{4}(l+16))[21:10] = a[11:4]
## Check ADR_PREL_PG_HI21. Low order bits of immediate value
## go to bits 30:29. High order bits go to bits 23:5