ArmPkg/Include/AsmMacroIoLib.inc

   1 ;%HEADER%
   2 ;/** @file
   3 ;  Macros to work around lack of Apple support for LDR register, =expr
   4 ;
   5 ;  Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
   6 ;  Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
   7 ;
   8 ;  This program and the accompanying materials
   9 ;  are licensed and made available under the terms and conditions of the BSD License
  10 ;  which accompanies this distribution.  The full text of the license may be found at
  11 ;  http://opensource.org/licenses/bsd-license.php
  12 ;
  13 ;  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  14 ;  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  15 ;
  16 ;**/
  17
  18
  19   MACRO
  20   adrll   $Reg, $Symbol
  21   add     $Reg, pc, #-8
  22   RELOC   R_ARM_ALU_PC_G0_NC, $Symbol
  23   add     $Reg, $Reg, #-4
  24   RELOC   R_ARM_ALU_PC_G1_NC, $Symbol
  25   add     $Reg, $Reg, #0
  26   RELOC   R_ARM_ALU_PC_G2, $Symbol
  27   MEND
  28
  29   MACRO
  30   ldrl    $Reg, $Symbol
  31   add     $Reg, pc, #-8
  32   RELOC   R_ARM_ALU_PC_G0_NC, $Symbol
  33   add     $Reg, $Reg, #-4
  34   RELOC   R_ARM_ALU_PC_G1_NC, $Symbol
  35   ldr     $Reg, [$Reg, #0]
  36   RELOC   R_ARM_LDR_PC_G2, $Symbol
  37   MEND
  38
  39   END