Revision: 19329
http://sourceforge.net/p/edk2/code/19329
Author: abiesheuvel
Date: 2015-12-17 17:10:59 +0000 (Thu, 17 Dec 2015)
Log Message:
-----------
OvfmPkg/XenHypercallLib: add missing GCC_ASM_EXPORT to XenHypercall2
GCC_ASM_EXPORT() not only exports a symbol as a function, it also emits
a .type <xxx>, %function directive, which is used by the ARM linker to
decide whether to emit interworking branches. So replace the explicit
.global with GCC_ASM_EXPORT(), or the code will not be callable from
Thumb-2 code.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <[email protected]>
Acked-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S
Modified: trunk/edk2/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S
===================================================================
--- trunk/edk2/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S 2015-12-17
17:02:06 UTC (rev 19328)
+++ trunk/edk2/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S 2015-12-17
17:10:59 UTC (rev 19329)
@@ -16,7 +16,8 @@
#include <IndustryStandard/Xen/arch-arm/xen.h>
.text
- .global ASM_PFX(XenHypercall2)
+GCC_ASM_EXPORT(XenHypercall2)
+
ASM_PFX(XenHypercall2):
mov r12, r0
mov r0, r1
------------------------------------------------------------------------------
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