[llvm-branch-commits] [llvm] [llvm-objdump] Support --symbolize-operand on AArch64 (PR #145009)

[James Henderson via llvm-branch-commits]

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@@ -0,0 +1,77 @@
+# RUN: llvm-mc --triple=aarch64-elf --filetype=obj < %s | llvm-objdump -d -r --symbolize-operands --no-show-raw-insn --no-leading-addr - | FileCheck %s --match-full-lines
+
+# CHECK:      <fn1>:
+# CHECK-NEXT:   b <L0>
+# CHECK-NEXT:   tbz x0, #0x2c, <L2>
+# CHECK-NEXT: <L0>:
+# CHECK-NEXT:   b.eq <L1>
+# CHECK-NEXT: <L1>:
+# CHECK-NEXT:   cbz x1, <L0>
+# CHECK-NEXT: <L2>:
+# CHECK-NEXT:   nop
+# CHECK-NEXT: <L3>:
+# CHECK-NEXT:   bl <L3>
+# CHECK-NEXT:     R_AARCH64_CALL26 fn2
+# CHECK-NEXT:   bl <fn2>
+# CHECK-NEXT:   adr x0, <L2>
+# CHECK-NEXT: <L4>:
+# CHECK-NEXT:   adr x1, <L4>
+# CHECK-NEXT:     R_AARCH64_ADR_PREL_LO21 fn2
+# CHECK-NEXT:   adr x2, <fn2>
+# CHECK-NEXT:   ldr w0, <L2>
+# CHECK-NEXT: <L5>:
+# CHECK-NEXT:   ldr w0, <L5>
+# CHECK-NEXT:     R_AARCH64_LD_PREL_LO19 fn2
+# CHECK-NEXT:   ret
+# CHECK-NEXT:   nop
+# CHECK-NEXT:   nop
+# CHECK-NEXT:   nop
+# CHECK-EMPTY:
+# CHECK-NEXT: <fn2>:
+# CHECK-NEXT:   bl <L0>
+# CHECK-NEXT:   adrp x3, 0x0 <fn1>
+# CHECK-NEXT:     R_AARCH64_ADR_PREL_PG_HI21 fn2
+# CHECK-NEXT:   add x3, x3, #0x0
+# CHECK-NEXT:     R_AARCH64_ADD_ABS_LO12_NC fn2
+# CHECK-NEXT:   adrp x3, 0x0 <fn1>
+# CHECK-NEXT:     R_AARCH64_ADR_PREL_PG_HI21 fn2
+# CHECK-NEXT:   ldr x0, [x3]
+# CHECK-NEXT:     R_AARCH64_LDST64_ABS_LO12_NC fn2
+# CHECK-NEXT:   ret
+# CHECK-NEXT:   nop
+# CHECK-NEXT:   nop
+# CHECK-NEXT: <L0>:
+# CHECK-NEXT:   ret
+
+    .p2align 4
+    .global fn1
+fn1:
+    b 0f
+    tbz x0, 44, 2f
+0:  b.eq 1f
+1:  cbz x1, 0b
+2:  nop
+    bl fn2
+    bl .Lfn2
+    adr x0, 2b
+    adr x1, fn2
+    adr x2, .Lfn2
+    ldr w0, 2b
+    ldr w0, fn2
+    ret
+
+    .p2align 4
+    .global fn2
+fn2:
+.Lfn2: # local label for non-interposable call
+    bl .Lfn3
+    # In future, we might identify the pairs and symbolize the operands properly
+    adrp x3, fn2
+    add x3, x3, :lo12:fn2
+    adrp x3, fn2
+    ldr x0, [x3, :lo12:fn2]
+    ret
+
+    .p2align 4
+.Lfn3: # private function
----------------
jh7370 wrote:

```suggestion
.Lfn3: ## Private function
```

https://github.com/llvm/llvm-project/pull/145009