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]> --- OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S b/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S index b38e1a8f18da..c12c8658b729 100644 --- a/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S +++ b/OvmfPkg/Library/XenHypercallLib/Arm/Hypercall.S @@ -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 -- 2.5.0 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
