ArmPkg/SemihostLib: switch to ASM_FUNC() asm macro

Annotate functions with ASM_FUNC() so that they are emitted into
separate sections.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
diff --git a/ArmPkg/Library/SemihostLib/AArch64/GccSemihost.S b/ArmPkg/Library/SemihostLib/AArch64/GccSemihost.S
index 42211cf..43a780c 100644
--- a/ArmPkg/Library/SemihostLib/AArch64/GccSemihost.S
+++ b/ArmPkg/Library/SemihostLib/AArch64/GccSemihost.S
@@ -13,11 +13,8 @@
 #

 #------------------------------------------------------------------------------

 

-.text

-.align 2

+#include <AsmMacroIoLibV8.h>

 

-.globl ASM_PFX(GccSemihostCall)

-

-ASM_PFX(GccSemihostCall):

+ASM_FUNC(GccSemihostCall)

   hlt     #0xf000

   ret

diff --git a/ArmPkg/Library/SemihostLib/Arm/GccSemihost.S b/ArmPkg/Library/SemihostLib/Arm/GccSemihost.S
index c9d1318..770e512 100644
--- a/ArmPkg/Library/SemihostLib/Arm/GccSemihost.S
+++ b/ArmPkg/Library/SemihostLib/Arm/GccSemihost.S
@@ -12,11 +12,7 @@
 #

 #------------------------------------------------------------------------------

 

-.text

-.align 2

-

-.globl ASM_PFX(GccSemihostCall)

-INTERWORK_FUNC(GccSemihostCall)

+#include <AsmMacroIoLib.h>

 

 /*

   Semihosting operation request mechanism

@@ -32,7 +28,7 @@
        the svc lr register. That happens to be the one we are using, so we must

        save it or we will not be able to return.

  */

-ASM_PFX(GccSemihostCall):

+ASM_FUNC(GccSemihostCall)

   stmfd   sp!, {lr}

   svc     #0x123456

   ldmfd   sp!, {lr}