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-rw-r--r--lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp9
-rw-r--r--test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s7
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
index a977dce06bb..fea932078c4 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
@@ -453,6 +453,15 @@ void RuntimeDyldELF::resolveAArch64Relocation(const SectionEntry &Section,
support::ulittle32_t::ref{TargetPtr} = TargetValue;
break;
}
+ case ELF::R_AARCH64_ADD_ABS_LO12_NC: {
+ // Operation: S + A
+ uint64_t Result = Value + Addend;
+
+ // Immediate goes in bits 21:10 of LD/ST instruction, taken
+ // from bits 11:0 of X
+ *TargetPtr |= ((Result & 0xfff) << 10);
+ break;
+ }
case ELF::R_AARCH64_LDST32_ABS_LO12_NC: {
// Operation: S + A
uint64_t Result = Value + Addend;
diff --git a/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s b/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s
index f83f6bf8793..c57234a906e 100644
--- a/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s
+++ b/test/ExecutionEngine/RuntimeDyld/AArch64/ELF_ARM64_relocations.s
@@ -14,6 +14,9 @@ g:
movk x0, #:abs_g1_nc:f
# R_AARCH64_MOVW_UABS_G0_NC
movk x0, #:abs_g0_nc:f
+a:
+# R_AARCH64_ADD_ABS_LO12_NC
+ add x0, x0, :lo12:f
ret
.Lfunc_end0:
.size g, .Lfunc_end0-g
@@ -31,3 +34,7 @@ k:
# rtdyld-check: *{4}(g + 8) = 0xf2b13560
# rtdyld-check: *{4}(g + 12) = 0xf299bde0
# rtdyld-check: *{8}k = f
+
+## f & 0xFFF = 0xdef (bits 11:0 of f)
+## 0xdef << 10 = 0x37bc00
+# rtdyld-check: *{4}(a) = 0x9137bc00