From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Date: Tue, 13 Sep 2016 17:25:14 +0000 (+0100)
Subject: ArmPkg/AsmMacroIoLib: force word alignment for functions
X-Git-Tag: edk2-stable201903~5745
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=493b40451d4f841c14f9ee35da1492084baa8d9b

ArmPkg/AsmMacroIoLib: force word alignment for functions

Without an explicit .align directive, the Clang assembler defaults to
no alignment, which may result in instructions appearing misaligned in
the final executable. So use word alignment in all cases.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---

diff --git a/ArmPkg/Include/AsmMacroIoLib.h b/ArmPkg/Include/AsmMacroIoLib.h
index fb73ea9a46..936e01e338 100644
--- a/ArmPkg/Include/AsmMacroIoLib.h
+++ b/ArmPkg/Include/AsmMacroIoLib.h
@@ -56,6 +56,7 @@
   .global   Name                  ; \
   .section  #Section, "ax"        ; \
   .type     Name, %function       ; \
+  .p2align  2                     ; \
   Name:
 
 #define ASM_FUNC(Name)            _ASM_FUNC(ASM_PFX(Name), .text. ## Name)