diff --git a/lld/ELF/Arch/AArch64.cpp b/lld/ELF/Arch/AArch64.cpp
--- a/lld/ELF/Arch/AArch64.cpp
+++ b/lld/ELF/Arch/AArch64.cpp
@@ -126,6 +126,7 @@
   case R_AARCH64_CONDBR19:
   case R_AARCH64_JUMP26:
   case R_AARCH64_TSTBR14:
+  case R_AARCH64_PLT32:
     return R_PLT_PC;
   case R_AARCH64_PREL16:
   case R_AARCH64_PREL32:
@@ -325,6 +326,10 @@
     checkIntUInt(loc, val, 32, rel);
     write32le(loc, val);
     break;
+  case R_AARCH64_PLT32:
+    checkInt(loc, val, 32, rel);
+    write32le(loc, val);
+    break;
   case R_AARCH64_ABS64:
   case R_AARCH64_PREL64:
     write64le(loc, val);
diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -556,6 +556,7 @@
   case R_AARCH64_PREL64:
   case R_AARCH64_ADR_PREL_LO21:
   case R_AARCH64_LD_PREL_LO19:
+  case R_AARCH64_PLT32:
     return p + a;
   }
   llvm_unreachable("AArch64 pc-relative relocation expected\n");
diff --git a/lld/test/ELF/aarch64-plt32.s b/lld/test/ELF/aarch64-plt32.s
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/aarch64-plt32.s
@@ -0,0 +1,29 @@
+// REQUIRES: aarch64
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %S/Inputs/abs255.s -o %t255.o
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %S/Inputs/abs256.s -o %t256.o
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %S/Inputs/abs257.s -o %t257.o
+
+// Check for overflow with a R_AACH64_PLT32 relocation.
+
+  .globl _start
+  _start:
+.data
+  .word foo@PLT - . + 2149589079
+  .word foo@PLT - . - 2145378212
+
+// RUN: ld.lld -z max-page-size=4096 %t.o %t256.o -o %t2
+// RUN: llvm-objdump -s --section=.data %t2 | FileCheck %s
+
+// CHECK: Contents of section .data:
+// 202158: S = 0x100, A = 0x80202057, P = 0x202158
+//         S + A - P = 0xffffff7f
+// 20215c: S = 0x100, A = -0x7fdfdfa4, P = 0x20215c
+//         S + A - P = 0x80000000
+// CHECK-NEXT: 202158 ffffff7f 00000080
+
+// RUN: not ld.lld -z max-page-size=4096 %t.o %t255.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=OVERFLOW1
+// OVERFLOW1: relocation R_AARCH64_PLT32 out of range: -2147483649 is not in [-2147483648, 2147483647]; references foo
+
+// RUN: not ld.lld -z max-page-size=4096 %t.o %t257.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=OVERFLOW2
+// OVERFLOW2: relocation R_AARCH64_PLT32 out of range: 2147483648 is not in [-2147483648, 2147483647]; references foo
diff --git a/lld/test/ELF/aarch64-undefined-weak-plt32.s b/lld/test/ELF/aarch64-undefined-weak-plt32.s
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/aarch64-undefined-weak-plt32.s
@@ -0,0 +1,16 @@
+// REQUIRES: aarch64
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
+// RUN: ld.lld --image-base=0x10000000 %t.o -o %t
+// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
+
+  .weak target
+
+  .text
+  .global
+_start:
+  .word target@PLT - .
+
+// CHECK: Disassembly of section .text:
+// CHECK-EMPTY:
+// CHECK-NEXT: 0000000010010120 <_start>:
+// CHECK-NEXT: 10010120: 00 00 00 00     .word   0x00000000
diff --git a/lld/test/ELF/relocation-plt32-aarch64.s b/lld/test/ELF/relocation-plt32-aarch64.s
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/relocation-plt32-aarch64.s
@@ -0,0 +1,19 @@
+// REQUIRES: aarch64
+// RUN: llvm-mc -filetype=obj -triple=aarch64 %s -o %t.o
+// RUN: ld.lld -shared %t.o -o %t.out
+// RUN: llvm-objdump -s %t.out | FileCheck %s
+
+// Check that a PLT entry is generated for R_AARCH64_PLT32 and the caulculation is correct.
+
+// CHECK:      Contents of section .plt:
+// CHECK-NEXT:  10290
+// CHECK:      Contents of section .data:
+// CHECK:       30370 40fffdff
+// The calculation is
+//   0x10290  (foo@PLT)
+// - 0x30370  (.data)
+// ---------
+//  -0x200c0 -> 0xfffdff40 -> 0x40fffdff (little endian)
+
+.data
+  .word foo@PLT - .