src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.aarch64/src/org/graalvm/compiler/asm/aarch64/AArch64Assembler.java

@@ -24,10 +24,11 @@
 
 import static jdk.vm.ci.aarch64.AArch64.cpuRegisters;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ADD;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ADDS;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ADR;
+import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ADRP;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.AND;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ANDS;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.ASRV;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.BFM;
 import static org.graalvm.compiler.asm.aarch64.AArch64Assembler.Instruction.BIC;

@@ -1314,19 +1315,17 @@
     /* PC-relative Address Calculation (5.4.4) */
 
     /**
      * Address of page: sign extends 21-bit offset, shifts if left by 12 and adds it to the value of
      * the PC with its bottom 12-bits cleared, writing the result to dst.
+     * No offset is emiited; the instruction will be patched later.
      *
      * @param dst general purpose register. May not be null, zero-register or stackpointer.
-     * @param imm Signed 33-bit offset with lower 12bits clear.
      */
-    // protected void adrp(Register dst, long imm) {
-    // assert (imm & NumUtil.getNbitNumberInt(12)) == 0 : "Lower 12-bit of immediate must be zero.";
-    // assert NumUtil.isSignedNbit(33, imm);
-    // addressCalculationInstruction(dst, (int) (imm >>> 12), Instruction.ADRP);
-    // }
+    public void adrp(Register dst) {
+        emitInt(ADRP.encoding | PcRelImmOp | rd(dst) );
+    }
 
     /**
      * Adds a 21-bit signed offset to the program counter and writes the result to dst.
      *
      * @param dst general purpose register. May not be null, zero-register or stackpointer.

@@ -1338,10 +1337,14 @@
 
     public void adr(Register dst, int imm21, int pos) {
         emitInt(ADR.encoding | PcRelImmOp | rd(dst) | getPcRelativeImmEncoding(imm21), pos);
     }
 
+    public void adrp(Register dst, int pageOffset) {
+        emitInt(ADRP.encoding | PcRelImmOp | rd(dst) | getPcRelativeImmEncoding(pageOffset));
+    }
+
     private static int getPcRelativeImmEncoding(int imm21) {
         assert NumUtil.isSignedNbit(21, imm21);
         int imm = imm21 & NumUtil.getNbitNumberInt(21);
         // higher 19 bit
         int immHi = (imm >> 2) << PcRelImmHiOffset;