[PATCH] D64455: MC: AArch64: Add support for pg_hi21_nc relocation specifier.

Peter Collingbourne via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 9 17:08:06 PDT 2019


pcc created this revision.
pcc added a reviewer: peter.smith.
Herald added subscribers: hiraditya, kristof.beyls, javed.absar.
Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D64455

Files:
  llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
  llvm/test/MC/AArch64/adrp-relocation2.s


Index: llvm/test/MC/AArch64/adrp-relocation2.s
===================================================================
--- /dev/null
+++ llvm/test/MC/AArch64/adrp-relocation2.s
@@ -0,0 +1,7 @@
+// RUN: llvm-mc -triple=aarch64-linux-gnu -filetype=obj -o - %s | llvm-readobj -r - | FileCheck %s
+
+// CHECK: R_AARCH64_ADR_PREL_PG_HI21_NC sym
+adrp x0, :pg_hi21_nc:sym
+
+.globl sym
+sym:
Index: llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
===================================================================
--- llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -2502,6 +2502,7 @@
     } else if (DarwinRefKind != MCSymbolRefExpr::VK_PAGE &&
                DarwinRefKind != MCSymbolRefExpr::VK_GOTPAGE &&
                DarwinRefKind != MCSymbolRefExpr::VK_TLVPPAGE &&
+               ELFRefKind != AArch64MCExpr::VK_ABS_PAGE_NC &&
                ELFRefKind != AArch64MCExpr::VK_GOT_PAGE &&
                ELFRefKind != AArch64MCExpr::VK_GOTTPREL_PAGE &&
                ELFRefKind != AArch64MCExpr::VK_TLSDESC_PAGE) {
@@ -3267,6 +3268,7 @@
                   .Case("dtprel_hi12", AArch64MCExpr::VK_DTPREL_HI12)
                   .Case("dtprel_lo12", AArch64MCExpr::VK_DTPREL_LO12)
                   .Case("dtprel_lo12_nc", AArch64MCExpr::VK_DTPREL_LO12_NC)
+                  .Case("pg_hi21_nc", AArch64MCExpr::VK_ABS_PAGE_NC)
                   .Case("tprel_g2", AArch64MCExpr::VK_TPREL_G2)
                   .Case("tprel_g1", AArch64MCExpr::VK_TPREL_G1)
                   .Case("tprel_g1_nc", AArch64MCExpr::VK_TPREL_G1_NC)


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