1. Remove .extern from GCC assembly.

2. Define macro for .global/.globl in GCC assembly.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8344 6f19259b-4bc3-4df7-8a09-765794883524

89 files changed, 107 insertions, 98 deletions

diff --git a/DuetPkg/BootSector/bootsect.S b/DuetPkg/BootSector/bootsect.S
index 91a1966c9..336c82bcb 100644
--- a/DuetPkg/BootSector/bootsect.S
+++ b/DuetPkg/BootSector/bootsect.S
@@ -42,8 +42,8 @@
 .equ                      LOADER_FILENAME_PART2, 0x020205244    # "DR__"

 .equ                      LOADER_FILENAME_PART3, 0x020202020    # "____"

 

-        .org 0x0
-.global _start
+        .org 0x0

+ASM_GLOBAL _start

 _start:

 Ia32Jump: 

   jmp   BootSectorEntryPoint  # JMP inst                  - 3 bytes

diff --git a/DuetPkg/BootSector/bs16.S b/DuetPkg/BootSector/bs16.S
index 57e790412..c1f13636d 100644
--- a/DuetPkg/BootSector/bs16.S
+++ b/DuetPkg/BootSector/bs16.S
@@ -30,8 +30,8 @@
 .equ                      LOADER_FILENAME_PART2, 0x036315244    # "DR16"

 .equ                      LOADER_FILENAME_PART3, 0x020202036    # "6___"

 

-        .org 0x0
-.global _start
+        .org 0x0

+ASM_GLOBAL _start

 _start:

 Ia32Jump: 

   jmp   BootSectorEntryPoint  # JMP inst                  - 3 bytes

diff --git a/DuetPkg/BootSector/bs32.S b/DuetPkg/BootSector/bs32.S
index 5df6d6a52..a1f8ec0b1 100644
--- a/DuetPkg/BootSector/bs32.S
+++ b/DuetPkg/BootSector/bs32.S
@@ -30,8 +30,8 @@
 .equ                      LOADER_FILENAME_PART2, 0x30325244    # "DR20"

 .equ                      LOADER_FILENAME_PART3, 0x20202030    # "0___"

 

-        .org 0x0
-.global _start
+        .org 0x0

+ASM_GLOBAL _start

 _start:

 Ia32Jump: 

   jmp   BootSectorEntryPoint  # JMP inst                  - 3 bytes

diff --git a/DuetPkg/BootSector/start16.S b/DuetPkg/BootSector/start16.S
index f0ff82a82..7106f15f5 100644
--- a/DuetPkg/BootSector/start16.S
+++ b/DuetPkg/BootSector/start16.S
@@ -26,8 +26,8 @@
 .equ                        BLOCK_MASK,                 0x01ff

 .equ                        BLOCK_SHIFT,                9

 

-        .org 0x00
-.global _start
+        .org 0x00

+ASM_GLOBAL _start

 _start:

 Ia32Jump: 

   jmp   BootSectorEntryPoint  # JMP inst    - 3 bytes

@@ -452,7 +452,7 @@ gdtr:   .word  GDT_END - GDT_BASE - 1       # GDT limit
 

         .align 0x2

 

-.global GDT_BASE

+ASM_GLOBAL GDT_BASE

 GDT_BASE: 

 # null descriptor

 .equ                NULL_SEL, .-GDT_BASE

@@ -546,7 +546,7 @@ idtr:   .word IDT_END - IDT_BASE - 1  # IDT limit
 #idt_tag db "IDT",0     

         .align 0x2

 

-.global IDT_BASE

+ASM_GLOBAL IDT_BASE

 IDT_BASE: 

 # divide by zero (INT 0)

 .equ                DIV_ZERO_SEL, .-IDT_BASE

diff --git a/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S b/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S
index 3b86b53ab..acebb63a7 100644
--- a/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S
+++ b/MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S
@@ -33,10 +33,10 @@
 #

 # Destroys no working registers.

 #****************************************************************************

-.global _CopyMem;

+ASM_GLOBAL _CopyMem;

 

 # VOID EbcLLCALLEXNative(UINTN FuncAddr, UINTN NewStackPointer, VOID *FramePtr)

-.global ASM_PFX(EbcLLCALLEXNative);

+ASM_GLOBAL ASM_PFX(EbcLLCALLEXNative);

 ASM_PFX(EbcLLCALLEXNative):

       push   %rbp

       push   %rbx

@@ -84,7 +84,7 @@ ASM_PFX(EbcLLCALLEXNative):
 # Returns:

 #     The contents of the register in which the entry point is passed.

 #

-.global ASM_PFX(EbcLLGetEbcEntryPoint);

+ASM_GLOBAL ASM_PFX(EbcLLGetEbcEntryPoint);

 ASM_PFX(EbcLLGetEbcEntryPoint):

     ret

 

@@ -107,7 +107,7 @@ ASM_PFX(EbcLLGetEbcEntryPoint):
 #--*/

 

 # UINTN EbcLLGetStackPointer()

-.global ASM_PFX(EbcLLGetStackPointer);

+ASM_GLOBAL ASM_PFX(EbcLLGetStackPointer);

 ASM_PFX(EbcLLGetStackPointer):

     mov    %rsp, %rax

     # Stack adjusted by this much when we were called,

@@ -115,7 +115,7 @@ ASM_PFX(EbcLLGetStackPointer):
     add   $4, %rax

     ret

 

-.global ASM_PFX(EbcLLGetReturnValue);

+ASM_GLOBAL ASM_PFX(EbcLLGetReturnValue);

 ASM_PFX(EbcLLGetReturnValue):

 # UINT64 EbcLLGetReturnValue(VOID);

 # Routine Description:

diff --git a/MdePkg/Include/Ia32/ProcessorBind.h b/MdePkg/Include/Ia32/ProcessorBind.h
index 9cb4eac8c..a397f4b4b 100644
--- a/MdePkg/Include/Ia32/ProcessorBind.h
+++ b/MdePkg/Include/Ia32/ProcessorBind.h
@@ -341,6 +341,11 @@ typedef INT32   INTN;
   #else

     #define ASM_PFX(name) _##name

   #endif 

+  #if defined(__APPLE__)

+    #define ASM_GLOBAL .globl

+  #else

+    #define ASM_GLOBAL .global

+  #endif 

 #endif

 

 /**

diff --git a/MdePkg/Include/X64/ProcessorBind.h b/MdePkg/Include/X64/ProcessorBind.h
index 9310f9f33..ce1986785 100644
--- a/MdePkg/Include/X64/ProcessorBind.h
+++ b/MdePkg/Include/X64/ProcessorBind.h
@@ -405,6 +405,11 @@ typedef INT64   INTN;
   #else

     #define ASM_PFX(name) _##name

   #endif  

+  #if defined(__APPLE__)

+    #define ASM_GLOBAL .globl

+  #else

+    #define ASM_GLOBAL .global

+  #endif 

 #endif

 

 /**

diff --git a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
index 535665cee..da366b36d 100644
--- a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
+++ b/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
@@ -20,7 +20,7 @@
 #

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

 

-.global ASM_PFX(CpuFlushTlb)

+ASM_GLOBAL ASM_PFX(CpuFlushTlb)

 

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

 # VOID

diff --git a/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S b/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
index 6cb46f9f8..77452d002 100644
--- a/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
+++ b/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
@@ -28,7 +28,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(CpuSleep)

+ASM_GLOBAL ASM_PFX(CpuSleep)

 ASM_PFX(CpuSleep):

     hlt

     ret

diff --git a/MdePkg/Library/BaseLib/X64/CpuBreakpoint.S b/MdePkg/Library/BaseLib/X64/CpuBreakpoint.S
index 95e8da16e..fbf4de85d 100644
--- a/MdePkg/Library/BaseLib/X64/CpuBreakpoint.S
+++ b/MdePkg/Library/BaseLib/X64/CpuBreakpoint.S
@@ -19,7 +19,7 @@
 #

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

 

-.global ASM_PFX(CpuBreakpoint)

+ASM_GLOBAL ASM_PFX(CpuBreakpoint)

 ASM_PFX(CpuBreakpoint):

   int $0x3

   ret

diff --git a/MdePkg/Library/BaseLib/X64/CpuId.S b/MdePkg/Library/BaseLib/X64/CpuId.S
index 0b7a66f85..8612c5d2b 100644
--- a/MdePkg/Library/BaseLib/X64/CpuId.S
+++ b/MdePkg/Library/BaseLib/X64/CpuId.S
@@ -32,7 +32,7 @@
 #    OUT  UINT32  *RegisterOutEdx  OPTIONAL

 #    )

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

-.global ASM_PFX(AsmCpuid)

+ASM_GLOBAL ASM_PFX(AsmCpuid)

 ASM_PFX(AsmCpuid):

     push    %rbx

     mov     %ecx, %eax

diff --git a/MdePkg/Library/BaseLib/X64/CpuIdEx.S b/MdePkg/Library/BaseLib/X64/CpuIdEx.S
index 8dd70b253..ae5c80a98 100644
--- a/MdePkg/Library/BaseLib/X64/CpuIdEx.S
+++ b/MdePkg/Library/BaseLib/X64/CpuIdEx.S
@@ -33,7 +33,7 @@
 #    OUT  UINT32  *RegisterOutEdx  OPTIONAL

 #    )

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

-.global ASM_PFX(AsmCpuidEx)

+ASM_GLOBAL ASM_PFX(AsmCpuidEx)

 ASM_PFX(AsmCpuidEx):

     push    %rbx

     movl    %ecx,%eax

diff --git a/MdePkg/Library/BaseLib/X64/CpuPause.S b/MdePkg/Library/BaseLib/X64/CpuPause.S
index 5706d872a..4afdb9ece 100644
--- a/MdePkg/Library/BaseLib/X64/CpuPause.S
+++ b/MdePkg/Library/BaseLib/X64/CpuPause.S
@@ -28,7 +28,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(CpuPause)

+ASM_GLOBAL ASM_PFX(CpuPause)

 ASM_PFX(CpuPause):

     pause

     ret

diff --git a/MdePkg/Library/BaseLib/X64/DisableInterrupts.S b/MdePkg/Library/BaseLib/X64/DisableInterrupts.S
index 00bd7b7e9..c688a43f2 100644
--- a/MdePkg/Library/BaseLib/X64/DisableInterrupts.S
+++ b/MdePkg/Library/BaseLib/X64/DisableInterrupts.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(DisableInterrupts)

+ASM_GLOBAL ASM_PFX(DisableInterrupts)

 ASM_PFX(DisableInterrupts):

     cli

     ret

diff --git a/MdePkg/Library/BaseLib/X64/DisablePaging64.S b/MdePkg/Library/BaseLib/X64/DisablePaging64.S
index 8c71d2d49..f3ed29ed4 100644
--- a/MdePkg/Library/BaseLib/X64/DisablePaging64.S
+++ b/MdePkg/Library/BaseLib/X64/DisablePaging64.S
@@ -35,7 +35,7 @@
 #   );

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

 

-.global ASM_PFX(InternalX86DisablePaging64)

+ASM_GLOBAL ASM_PFX(InternalX86DisablePaging64)

 ASM_PFX(InternalX86DisablePaging64):

     cli    

     shl    $0x20,%rcx                     # rcx[32..47] <- Cs

diff --git a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S b/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
index 22f029cdd..b3eb1218f 100644
--- a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
+++ b/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(EnableDisableInterrupts)

+ASM_GLOBAL ASM_PFX(EnableDisableInterrupts)

 .align 16

 ASM_PFX(EnableDisableInterrupts):

     sti

diff --git a/MdePkg/Library/BaseLib/X64/EnableInterrupts.S b/MdePkg/Library/BaseLib/X64/EnableInterrupts.S
index 77a547193..86a3b14f4 100644
--- a/MdePkg/Library/BaseLib/X64/EnableInterrupts.S
+++ b/MdePkg/Library/BaseLib/X64/EnableInterrupts.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(EnableInterrupts)

+ASM_GLOBAL ASM_PFX(EnableInterrupts)

 ASM_PFX(EnableInterrupts):

     sti

     ret

diff --git a/MdePkg/Library/BaseLib/X64/FlushCacheLine.S b/MdePkg/Library/BaseLib/X64/FlushCacheLine.S
index ad79ec172..ffaca31ac 100644
--- a/MdePkg/Library/BaseLib/X64/FlushCacheLine.S
+++ b/MdePkg/Library/BaseLib/X64/FlushCacheLine.S
@@ -29,7 +29,7 @@
 #   IN      VOID                      *LinearAddress

 #   );

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

-.global ASM_PFX(AsmFlushCacheLine)

+ASM_GLOBAL ASM_PFX(AsmFlushCacheLine)

 ASM_PFX(AsmFlushCacheLine):

     clflush (%rcx)

     mov     %rcx, %rax

diff --git a/MdePkg/Library/BaseLib/X64/FxRestore.S b/MdePkg/Library/BaseLib/X64/FxRestore.S
index e38549fc8..d7e152182 100644
--- a/MdePkg/Library/BaseLib/X64/FxRestore.S
+++ b/MdePkg/Library/BaseLib/X64/FxRestore.S
@@ -29,7 +29,7 @@
 #   IN CONST IA32_FX_BUFFER *Buffer

 #   )#

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

-.global ASM_PFX(InternalX86FxRestore)

+ASM_GLOBAL ASM_PFX(InternalX86FxRestore)

 ASM_PFX(InternalX86FxRestore):

     fxrstor (%rcx)

     ret

diff --git a/MdePkg/Library/BaseLib/X64/FxSave.S b/MdePkg/Library/BaseLib/X64/FxSave.S
index f98320b82..961e46e31 100644
--- a/MdePkg/Library/BaseLib/X64/FxSave.S
+++ b/MdePkg/Library/BaseLib/X64/FxSave.S
@@ -29,7 +29,7 @@
 #   OUT IA32_FX_BUFFER *Buffer

 #   );

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

-.global ASM_PFX(InternalX86FxSave)

+ASM_GLOBAL ASM_PFX(InternalX86FxSave)

 ASM_PFX(InternalX86FxSave):

     fxsave  (%rcx)

     ret

diff --git a/MdePkg/Library/BaseLib/X64/Invd.S b/MdePkg/Library/BaseLib/X64/Invd.S
index 512fc86ee..6a1068644 100644
--- a/MdePkg/Library/BaseLib/X64/Invd.S
+++ b/MdePkg/Library/BaseLib/X64/Invd.S
@@ -29,7 +29,7 @@
 #   VOID

 #   )#

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

-.global ASM_PFX(AsmInvd)

+ASM_GLOBAL ASM_PFX(AsmInvd)

 ASM_PFX(AsmInvd):

     invd

     ret

diff --git a/MdePkg/Library/BaseLib/X64/LongJump.S b/MdePkg/Library/BaseLib/X64/LongJump.S
index ee840c07f..d43fcf000 100644
--- a/MdePkg/Library/BaseLib/X64/LongJump.S
+++ b/MdePkg/Library/BaseLib/X64/LongJump.S
@@ -27,7 +27,7 @@
 #   IN      UINTN                     Value

 #   );

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

-.global ASM_PFX(InternalLongJump)

+ASM_GLOBAL ASM_PFX(InternalLongJump)

 ASM_PFX(InternalLongJump):

     mov     (%rcx), %rbx

     mov     0x8(%rcx), %rsp

diff --git a/MdePkg/Library/BaseLib/X64/Monitor.S b/MdePkg/Library/BaseLib/X64/Monitor.S
index 1581598c4..0be3b981f 100644
--- a/MdePkg/Library/BaseLib/X64/Monitor.S
+++ b/MdePkg/Library/BaseLib/X64/Monitor.S
@@ -31,7 +31,7 @@
 #   IN      UINTN                     Edx

 #   );

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

-.global ASM_PFX(AsmMonitor)

+ASM_GLOBAL ASM_PFX(AsmMonitor)

 .align 16

 ASM_PFX(AsmMonitor):

     mov    %ecx,%eax

diff --git a/MdePkg/Library/BaseLib/X64/Mwait.S b/MdePkg/Library/BaseLib/X64/Mwait.S
index 9226ce361..403ed26c4 100644
--- a/MdePkg/Library/BaseLib/X64/Mwait.S
+++ b/MdePkg/Library/BaseLib/X64/Mwait.S
@@ -30,7 +30,7 @@
 #   IN      UINTN                     Ecx

 #   );

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

-.global ASM_PFX(AsmMwait)

+ASM_GLOBAL ASM_PFX(AsmMwait)

 .align 16

 ASM_PFX(AsmMwait):

     mov    %ecx,%eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadCr0.S b/MdePkg/Library/BaseLib/X64/ReadCr0.S
index 0c858e495..23d375de4 100644
--- a/MdePkg/Library/BaseLib/X64/ReadCr0.S
+++ b/MdePkg/Library/BaseLib/X64/ReadCr0.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadCr0)

+ASM_GLOBAL ASM_PFX(AsmReadCr0)

 .align 16

 ASM_PFX(AsmReadCr0):

     mov     %cr0, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadCr2.S b/MdePkg/Library/BaseLib/X64/ReadCr2.S
index 665a401b7..26c2c2f27 100644
--- a/MdePkg/Library/BaseLib/X64/ReadCr2.S
+++ b/MdePkg/Library/BaseLib/X64/ReadCr2.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadCr2)

+ASM_GLOBAL ASM_PFX(AsmReadCr2)

 .align 16

 ASM_PFX(AsmReadCr2):

     mov     %cr2, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadCr3.S b/MdePkg/Library/BaseLib/X64/ReadCr3.S
index 5c80c1a63..1161eb2bd 100644
--- a/MdePkg/Library/BaseLib/X64/ReadCr3.S
+++ b/MdePkg/Library/BaseLib/X64/ReadCr3.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadCr3)

+ASM_GLOBAL ASM_PFX(AsmReadCr3)

 .align 16

 ASM_PFX(AsmReadCr3):

     mov     %cr3, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadCr4.S b/MdePkg/Library/BaseLib/X64/ReadCr4.S
index 8de29bd6c..192480d01 100644
--- a/MdePkg/Library/BaseLib/X64/ReadCr4.S
+++ b/MdePkg/Library/BaseLib/X64/ReadCr4.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadCr4)

+ASM_GLOBAL ASM_PFX(AsmReadCr4)

 .align 16

 ASM_PFX(AsmReadCr4):

     mov     %cr4, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadCs.S b/MdePkg/Library/BaseLib/X64/ReadCs.S
index 85654c2e2..7bb98dfb7 100644
--- a/MdePkg/Library/BaseLib/X64/ReadCs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadCs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadCs)

+ASM_GLOBAL ASM_PFX(AsmReadCs)

 .align 16

 ASM_PFX(AsmReadCs):

     mov     %cs, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr0.S b/MdePkg/Library/BaseLib/X64/ReadDr0.S
index 4e1cf5fb1..e4fb3b3f5 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr0.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr0.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr0)

+ASM_GLOBAL ASM_PFX(AsmReadDr0)

 .align 16

 ASM_PFX(AsmReadDr0):

     mov     %dr0, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr1.S b/MdePkg/Library/BaseLib/X64/ReadDr1.S
index d45a18dee..e5c1cc868 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr1.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr1.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr1)

+ASM_GLOBAL ASM_PFX(AsmReadDr1)

 .align 16

 ASM_PFX(AsmReadDr1):

     mov     %dr1, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr2.S b/MdePkg/Library/BaseLib/X64/ReadDr2.S
index 073f903e3..9ef017d3e 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr2.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr2.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr2)

+ASM_GLOBAL ASM_PFX(AsmReadDr2)

 .align 16

 ASM_PFX(AsmReadDr2):

     mov     %dr2, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr3.S b/MdePkg/Library/BaseLib/X64/ReadDr3.S
index ebd90c902..277a99936 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr3.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr3.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr3)

+ASM_GLOBAL ASM_PFX(AsmReadDr3)

 .align 16

 ASM_PFX(AsmReadDr3):

     mov     %dr3, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr4.S b/MdePkg/Library/BaseLib/X64/ReadDr4.S
index 752a04cfa..5f5651fd3 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr4.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr4.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr4)

+ASM_GLOBAL ASM_PFX(AsmReadDr4)

 .align 16

 ASM_PFX(AsmReadDr4):

     #DB      0fh, 21h, 0e0h

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr5.S b/MdePkg/Library/BaseLib/X64/ReadDr5.S
index 42a5ed3e7..766fc4570 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr5.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr5.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr5)

+ASM_GLOBAL ASM_PFX(AsmReadDr5)

 .align 16

 ASM_PFX(AsmReadDr5):

     mov %dr5, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr6.S b/MdePkg/Library/BaseLib/X64/ReadDr6.S
index 6186d497a..0bde38cca 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr6.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr6.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr6)

+ASM_GLOBAL ASM_PFX(AsmReadDr6)

 .align 16

 ASM_PFX(AsmReadDr6):

     mov %dr6, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDr7.S b/MdePkg/Library/BaseLib/X64/ReadDr7.S
index c43c7d450..3de98eb7f 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDr7.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDr7.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDr7)

+ASM_GLOBAL ASM_PFX(AsmReadDr7)

 .align 16

 ASM_PFX(AsmReadDr7):

     mov %dr7, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadDs.S b/MdePkg/Library/BaseLib/X64/ReadDs.S
index bd28aa931..119da0081 100644
--- a/MdePkg/Library/BaseLib/X64/ReadDs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadDs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadDs)

+ASM_GLOBAL ASM_PFX(AsmReadDs)

 .align 16

 ASM_PFX(AsmReadDs):

     movl  %ds, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadEflags.S b/MdePkg/Library/BaseLib/X64/ReadEflags.S
index 3be5d7ab7..c90d51613 100644
--- a/MdePkg/Library/BaseLib/X64/ReadEflags.S
+++ b/MdePkg/Library/BaseLib/X64/ReadEflags.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadEflags)

+ASM_GLOBAL ASM_PFX(AsmReadEflags)

 .align 16

 ASM_PFX(AsmReadEflags):

     pushfq

diff --git a/MdePkg/Library/BaseLib/X64/ReadEs.S b/MdePkg/Library/BaseLib/X64/ReadEs.S
index 9a45439e1..a75b95f95 100644
--- a/MdePkg/Library/BaseLib/X64/ReadEs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadEs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadEs)

+ASM_GLOBAL ASM_PFX(AsmReadEs)

 .align 16

 ASM_PFX(AsmReadEs):

     mov     %es, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadFs.S b/MdePkg/Library/BaseLib/X64/ReadFs.S
index 74637b3db..5b26d5e57 100644
--- a/MdePkg/Library/BaseLib/X64/ReadFs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadFs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadFs)

+ASM_GLOBAL ASM_PFX(AsmReadFs)

 .align 16

 ASM_PFX(AsmReadFs):

     mov     %fs, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadGdtr.S b/MdePkg/Library/BaseLib/X64/ReadGdtr.S
index c57ef3e89..889efeb61 100644
--- a/MdePkg/Library/BaseLib/X64/ReadGdtr.S
+++ b/MdePkg/Library/BaseLib/X64/ReadGdtr.S
@@ -29,7 +29,7 @@
 #   OUT IA32_DESCRIPTOR  *Gdtr

 #   );

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

-.global ASM_PFX(InternalX86ReadGdtr)

+ASM_GLOBAL ASM_PFX(InternalX86ReadGdtr)

 .align 16

 ASM_PFX(InternalX86ReadGdtr):

     sgdt  (%rcx)

diff --git a/MdePkg/Library/BaseLib/X64/ReadGs.S b/MdePkg/Library/BaseLib/X64/ReadGs.S
index b89bb3b4f..a89b27dc1 100644
--- a/MdePkg/Library/BaseLib/X64/ReadGs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadGs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadGs)

+ASM_GLOBAL ASM_PFX(AsmReadGs)

 .align 16

 ASM_PFX(AsmReadGs):

     mov     %gs, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadIdtr.S b/MdePkg/Library/BaseLib/X64/ReadIdtr.S
index 84cbab410..efdaf77a8 100644
--- a/MdePkg/Library/BaseLib/X64/ReadIdtr.S
+++ b/MdePkg/Library/BaseLib/X64/ReadIdtr.S
@@ -29,7 +29,7 @@
 #   OUT     IA32_DESCRIPTOR           *Idtr

 #   );

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

-.global ASM_PFX(InternalX86ReadIdtr)

+ASM_GLOBAL ASM_PFX(InternalX86ReadIdtr)

 .align 16

 ASM_PFX(InternalX86ReadIdtr):

     sidt    (%rcx)

diff --git a/MdePkg/Library/BaseLib/X64/ReadLdtr.S b/MdePkg/Library/BaseLib/X64/ReadLdtr.S
index 4d5a43cd0..6e7e0a3e3 100644
--- a/MdePkg/Library/BaseLib/X64/ReadLdtr.S
+++ b/MdePkg/Library/BaseLib/X64/ReadLdtr.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadLdtr)

+ASM_GLOBAL ASM_PFX(AsmReadLdtr)

 .align 16

 ASM_PFX(AsmReadLdtr):

     sldt    %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm0.S b/MdePkg/Library/BaseLib/X64/ReadMm0.S
index 57c91da85..dd259ed91 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm0.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm0.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm0)

+ASM_GLOBAL ASM_PFX(AsmReadMm0)

 .align 16

 ASM_PFX(AsmReadMm0):

     movd  %mm0, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm1.S b/MdePkg/Library/BaseLib/X64/ReadMm1.S
index 45ef7f8a5..b3eed9fa2 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm1.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm1.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm1)

+ASM_GLOBAL ASM_PFX(AsmReadMm1)

 .align 16

 ASM_PFX(AsmReadMm1):

     movd  %mm1, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm2.S b/MdePkg/Library/BaseLib/X64/ReadMm2.S
index d0cdf19b7..2459fcd55 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm2.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm2.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm2)

+ASM_GLOBAL ASM_PFX(AsmReadMm2)

 .align 16

 ASM_PFX(AsmReadMm2):

     movd  %mm2, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm3.S b/MdePkg/Library/BaseLib/X64/ReadMm3.S
index c1d7fd9e5..0cf5bc793 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm3.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm3.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm3)

+ASM_GLOBAL ASM_PFX(AsmReadMm3)

 .align 16

 ASM_PFX(AsmReadMm3):

     movd  %mm3, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm4.S b/MdePkg/Library/BaseLib/X64/ReadMm4.S
index dafeca484..fad10ae3b 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm4.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm4.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm4)

+ASM_GLOBAL ASM_PFX(AsmReadMm4)

 .align 16

 ASM_PFX(AsmReadMm4):

     movd  %mm4, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm5.S b/MdePkg/Library/BaseLib/X64/ReadMm5.S
index 26d83631a..03629d575 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm5.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm5.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm5)

+ASM_GLOBAL ASM_PFX(AsmReadMm5)

 .align 16

 ASM_PFX(AsmReadMm5):

     movd  %mm5, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm6.S b/MdePkg/Library/BaseLib/X64/ReadMm6.S
index a8ea02226..f496d3be4 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm6.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm6.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm6)

+ASM_GLOBAL ASM_PFX(AsmReadMm6)

 .align 16

 ASM_PFX(AsmReadMm6):

     movd  %mm6, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMm7.S b/MdePkg/Library/BaseLib/X64/ReadMm7.S
index 1f273670f..aa6bb0fca 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMm7.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMm7.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadMm7)

+ASM_GLOBAL ASM_PFX(AsmReadMm7)

 .align 16

 ASM_PFX(AsmReadMm7):

     movd  %mm7, %rax

diff --git a/MdePkg/Library/BaseLib/X64/ReadMsr64.S b/MdePkg/Library/BaseLib/X64/ReadMsr64.S
index 8c7ec3b82..32be9dc7d 100644
--- a/MdePkg/Library/BaseLib/X64/ReadMsr64.S
+++ b/MdePkg/Library/BaseLib/X64/ReadMsr64.S
@@ -29,7 +29,7 @@
 #   IN UINT32  Index

 #   );

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

-.global ASM_PFX(AsmReadMsr64)

+ASM_GLOBAL ASM_PFX(AsmReadMsr64)

 .align 16

 ASM_PFX(AsmReadMsr64):

     rdmsr                               # edx & eax are zero extended

diff --git a/MdePkg/Library/BaseLib/X64/ReadPmc.S b/MdePkg/Library/BaseLib/X64/ReadPmc.S
index f88061809..66ced6541 100644
--- a/MdePkg/Library/BaseLib/X64/ReadPmc.S
+++ b/MdePkg/Library/BaseLib/X64/ReadPmc.S
@@ -29,7 +29,7 @@
 #   IN UINT32   PmcIndex

 #   );

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

-.global ASM_PFX(AsmReadPmc)

+ASM_GLOBAL ASM_PFX(AsmReadPmc)

 .align 16

 ASM_PFX(AsmReadPmc):

     rdpmc

diff --git a/MdePkg/Library/BaseLib/X64/ReadSs.S b/MdePkg/Library/BaseLib/X64/ReadSs.S
index 127d75f97..ea7e2e2c1 100644
--- a/MdePkg/Library/BaseLib/X64/ReadSs.S
+++ b/MdePkg/Library/BaseLib/X64/ReadSs.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadSs)

+ASM_GLOBAL ASM_PFX(AsmReadSs)

 .align 16

 ASM_PFX(AsmReadSs):

     movl     %ss, %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadTr.S b/MdePkg/Library/BaseLib/X64/ReadTr.S
index 7bf34d2f6..2dee7296a 100644
--- a/MdePkg/Library/BaseLib/X64/ReadTr.S
+++ b/MdePkg/Library/BaseLib/X64/ReadTr.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadTr)

+ASM_GLOBAL ASM_PFX(AsmReadTr)

 .align 16

 ASM_PFX(AsmReadTr): 

     str     %eax

diff --git a/MdePkg/Library/BaseLib/X64/ReadTsc.S b/MdePkg/Library/BaseLib/X64/ReadTsc.S
index d472a5364..f3c45b558 100644
--- a/MdePkg/Library/BaseLib/X64/ReadTsc.S
+++ b/MdePkg/Library/BaseLib/X64/ReadTsc.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmReadTsc)

+ASM_GLOBAL ASM_PFX(AsmReadTsc)

 .align 16

 ASM_PFX(AsmReadTsc):

     rdtsc

diff --git a/MdePkg/Library/BaseLib/X64/SetJump.S b/MdePkg/Library/BaseLib/X64/SetJump.S
index 597a2662a..d8454d396 100644
--- a/MdePkg/Library/BaseLib/X64/SetJump.S
+++ b/MdePkg/Library/BaseLib/X64/SetJump.S
@@ -19,8 +19,7 @@
 #

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

 

-.extern ASM_PFX(InternalAssertJumpBuffer)

-.global ASM_PFX(SetJump)

+ASM_GLOBAL ASM_PFX(SetJump)

 ASM_PFX(SetJump):

     push   %rcx

     add    $0xffffffffffffffe0,%rsp

diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S
index e75ddaf96..e5b9e54ce 100644
--- a/MdePkg/Library/BaseLib/X64/SwitchStack.S
+++ b/MdePkg/Library/BaseLib/X64/SwitchStack.S
@@ -35,7 +35,7 @@
 #   None

 #

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

-.global ASM_PFX(InternalSwitchStack)

+ASM_GLOBAL ASM_PFX(InternalSwitchStack)

 ASM_PFX(InternalSwitchStack):

     mov     %rcx, %rax

     mov     %rdx, %rcx

diff --git a/MdePkg/Library/BaseLib/X64/Wbinvd.S b/MdePkg/Library/BaseLib/X64/Wbinvd.S
index 492c312b9..e05301d91 100644
--- a/MdePkg/Library/BaseLib/X64/Wbinvd.S
+++ b/MdePkg/Library/BaseLib/X64/Wbinvd.S
@@ -29,7 +29,7 @@
 #   VOID

 #   );

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

-.global ASM_PFX(AsmWbinvd)

+ASM_GLOBAL ASM_PFX(AsmWbinvd)

 .align 16

 ASM_PFX(AsmWbinvd):

     wbinvd

diff --git a/MdePkg/Library/BaseLib/X64/WriteCr0.S b/MdePkg/Library/BaseLib/X64/WriteCr0.S
index 28606cf5e..a8078fae7 100644
--- a/MdePkg/Library/BaseLib/X64/WriteCr0.S
+++ b/MdePkg/Library/BaseLib/X64/WriteCr0.S
@@ -29,7 +29,7 @@
 #   UINTN  Cr0

 #   );

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

-.global ASM_PFX(AsmWriteCr0)

+ASM_GLOBAL ASM_PFX(AsmWriteCr0)

 ASM_PFX(AsmWriteCr0):

     mov    %rcx,%cr0

     mov    %rcx,%rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteCr2.S b/MdePkg/Library/BaseLib/X64/WriteCr2.S
index 5556cd376..b08a4e36b 100644
--- a/MdePkg/Library/BaseLib/X64/WriteCr2.S
+++ b/MdePkg/Library/BaseLib/X64/WriteCr2.S
@@ -29,7 +29,7 @@
 #   UINTN  Cr2

 #   );

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

-.global ASM_PFX(AsmWriteCr2)

+ASM_GLOBAL ASM_PFX(AsmWriteCr2)

 ASM_PFX(AsmWriteCr2):

     mov    %rcx,%cr2

     mov    %rcx,%rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteCr3.S b/MdePkg/Library/BaseLib/X64/WriteCr3.S
index 1016ae46f..756e97cfa 100644
--- a/MdePkg/Library/BaseLib/X64/WriteCr3.S
+++ b/MdePkg/Library/BaseLib/X64/WriteCr3.S
@@ -29,7 +29,7 @@
 #   UINTN  Cr3

 #   );

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

-.global ASM_PFX(AsmWriteCr3)

+ASM_GLOBAL ASM_PFX(AsmWriteCr3)

 ASM_PFX(AsmWriteCr3):

     mov    %rcx,%cr3

     mov    %rcx,%rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteCr4.S b/MdePkg/Library/BaseLib/X64/WriteCr4.S
index 04ee1b02e..ef6a53925 100644
--- a/MdePkg/Library/BaseLib/X64/WriteCr4.S
+++ b/MdePkg/Library/BaseLib/X64/WriteCr4.S
@@ -29,7 +29,7 @@
 #   UINTN  Cr4

 #   );

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

-.global ASM_PFX(AsmWriteCr4)

+ASM_GLOBAL ASM_PFX(AsmWriteCr4)

 ASM_PFX(AsmWriteCr4):

     mov    %rcx,%cr4

     mov    %rcx,%rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr0.S b/MdePkg/Library/BaseLib/X64/WriteDr0.S
index 250e5e347..6b1d1bf19 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr0.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr0.S
@@ -29,7 +29,7 @@
 #   UINTN  Value

 #   );

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

-.global ASM_PFX(AsmWriteDr0)

+ASM_GLOBAL ASM_PFX(AsmWriteDr0)

 .align 16

 ASM_PFX(AsmWriteDr0):

     mov     %rcx, %dr0

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr1.S b/MdePkg/Library/BaseLib/X64/WriteDr1.S
index b9805efb9..297217b45 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr1.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr1.S
@@ -29,7 +29,7 @@
 #   UINTN  Value

 #   );

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

-.global ASM_PFX(AsmWriteDr1)

+ASM_GLOBAL ASM_PFX(AsmWriteDr1)

 .align 16

 ASM_PFX(AsmWriteDr1):

     mov     %rcx, %dr1

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr2.S b/MdePkg/Library/BaseLib/X64/WriteDr2.S
index c82705f83..92c085077 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr2.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr2.S
@@ -29,7 +29,7 @@
 #   UINTN  Value

 #   );

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

-.global ASM_PFX(AsmWriteDr2)

+ASM_GLOBAL ASM_PFX(AsmWriteDr2)

 .align 16

 ASM_PFX(AsmWriteDr2):

     mov     %rcx, %dr2

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr3.S b/MdePkg/Library/BaseLib/X64/WriteDr3.S
index 823dfafa2..b64b97750 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr3.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr3.S
@@ -29,7 +29,7 @@
 #   UINTN  Value

 #   );

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

-.global ASM_PFX(AsmWriteDr3)

+ASM_GLOBAL ASM_PFX(AsmWriteDr3)

 .align 16

 ASM_PFX(AsmWriteDr3):

     mov     %rcx, %dr3

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr4.S b/MdePkg/Library/BaseLib/X64/WriteDr4.S
index b340d2d4a..22f503db6 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr4.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr4.S
@@ -29,7 +29,7 @@
 #   IN UINTN Value

 #   );

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

-.global ASM_PFX(AsmWriteDr4)

+ASM_GLOBAL ASM_PFX(AsmWriteDr4)

 ASM_PFX(AsmWriteDr4):

     mov     %rcx, %dr4

     mov     %rcx, %rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr5.S b/MdePkg/Library/BaseLib/X64/WriteDr5.S
index ac765d7c2..7beb726c1 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr5.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr5.S
@@ -29,7 +29,7 @@
 #   IN UINTN Value

 #   );

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

-.global ASM_PFX(AsmWriteDr5)

+ASM_GLOBAL ASM_PFX(AsmWriteDr5)

 ASM_PFX(AsmWriteDr5):

     mov     %rcx, %dr5

     mov     %rcx, %rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr6.S b/MdePkg/Library/BaseLib/X64/WriteDr6.S
index f0bd42c44..c5c6430dc 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr6.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr6.S
@@ -29,7 +29,7 @@
 #   IN UINTN Value

 #   );

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

-.global ASM_PFX(AsmWriteDr6)

+ASM_GLOBAL ASM_PFX(AsmWriteDr6)

 ASM_PFX(AsmWriteDr6):

     mov     %rcx, %dr6

     mov     %rcx, %rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteDr7.S b/MdePkg/Library/BaseLib/X64/WriteDr7.S
index f1d98232a..616b9c1db 100644
--- a/MdePkg/Library/BaseLib/X64/WriteDr7.S
+++ b/MdePkg/Library/BaseLib/X64/WriteDr7.S
@@ -29,7 +29,7 @@
 #   IN UINTN Value

 #   );

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

-.global ASM_PFX(AsmWriteDr7)

+ASM_GLOBAL ASM_PFX(AsmWriteDr7)

 ASM_PFX(AsmWriteDr7):

     mov     %rcx, %dr7

     mov     %rcx, %rax

diff --git a/MdePkg/Library/BaseLib/X64/WriteGdtr.S b/MdePkg/Library/BaseLib/X64/WriteGdtr.S
index d51793091..6f48f50d3 100644
--- a/MdePkg/Library/BaseLib/X64/WriteGdtr.S
+++ b/MdePkg/Library/BaseLib/X64/WriteGdtr.S
@@ -29,7 +29,7 @@
 #   IN      CONST IA32_DESCRIPTOR     *Idtr

 #   );

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

-.global ASM_PFX(InternalX86WriteGdtr)

+ASM_GLOBAL ASM_PFX(InternalX86WriteGdtr)

 ASM_PFX(InternalX86WriteGdtr):

     lgdt    (%rcx)

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteIdtr.S b/MdePkg/Library/BaseLib/X64/WriteIdtr.S
index cafd3de0d..e8e332e9b 100644
--- a/MdePkg/Library/BaseLib/X64/WriteIdtr.S
+++ b/MdePkg/Library/BaseLib/X64/WriteIdtr.S
@@ -29,7 +29,7 @@
 #   IN      CONST IA32_DESCRIPTOR     *Idtr

 #   );

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

-.global ASM_PFX(InternalX86WriteIdtr)

+ASM_GLOBAL ASM_PFX(InternalX86WriteIdtr)

 .align 16

 ASM_PFX(InternalX86WriteIdtr):

     lidt    (%rcx)

diff --git a/MdePkg/Library/BaseLib/X64/WriteLdtr.S b/MdePkg/Library/BaseLib/X64/WriteLdtr.S
index cefcd774b..ebc017215 100644
--- a/MdePkg/Library/BaseLib/X64/WriteLdtr.S
+++ b/MdePkg/Library/BaseLib/X64/WriteLdtr.S
@@ -29,7 +29,7 @@
 #   IN UINT16 Ldtr

 #   );

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

-.global ASM_PFX(AsmWriteLdtr)

+ASM_GLOBAL ASM_PFX(AsmWriteLdtr)

 .align 16

 ASM_PFX(AsmWriteLdtr):

     lldt    %cx

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm0.S b/MdePkg/Library/BaseLib/X64/WriteMm0.S
index 1eeb502a5..e24a62a22 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm0.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm0.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm0)

+ASM_GLOBAL ASM_PFX(AsmWriteMm0)

 ASM_PFX(AsmWriteMm0):

     movd  %rcx, %mm0

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm1.S b/MdePkg/Library/BaseLib/X64/WriteMm1.S
index b0a744db3..163e1674b 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm1.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm1.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm1)

+ASM_GLOBAL ASM_PFX(AsmWriteMm1)

 ASM_PFX(AsmWriteMm1):

     movd  %rcx, %mm1

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm2.S b/MdePkg/Library/BaseLib/X64/WriteMm2.S
index b9b438b32..e5cfe11de 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm2.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm2.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm2) 

+ASM_GLOBAL ASM_PFX(AsmWriteMm2) 

 ASM_PFX(AsmWriteMm2):

     movd  %rcx, %mm2

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm3.S b/MdePkg/Library/BaseLib/X64/WriteMm3.S
index 5a567156c..c576e46bc 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm3.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm3.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm3)

+ASM_GLOBAL ASM_PFX(AsmWriteMm3)

 ASM_PFX(AsmWriteMm3):

     movd  %rcx, %mm3

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm4.S b/MdePkg/Library/BaseLib/X64/WriteMm4.S
index dc82695de..24ecbc11c 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm4.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm4.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm4)

+ASM_GLOBAL ASM_PFX(AsmWriteMm4)

 ASM_PFX(AsmWriteMm4):

     movd  %rcx, %mm4

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm5.S b/MdePkg/Library/BaseLib/X64/WriteMm5.S
index 1d8223504..c1e0e7c2c 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm5.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm5.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm5)

+ASM_GLOBAL ASM_PFX(AsmWriteMm5)

 ASM_PFX(AsmWriteMm5):

     movd  %rcx, %mm5

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm6.S b/MdePkg/Library/BaseLib/X64/WriteMm6.S
index 01e53dbce..c5a216d29 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm6.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm6.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm6)

+ASM_GLOBAL ASM_PFX(AsmWriteMm6)

 ASM_PFX(AsmWriteMm6):

     movd  %rcx, %mm6

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMm7.S b/MdePkg/Library/BaseLib/X64/WriteMm7.S
index 6b8346fb4..b6e650355 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMm7.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMm7.S
@@ -29,7 +29,7 @@
 #   IN UINT64   Value

 #   );

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

-.global ASM_PFX(AsmWriteMm7)

+ASM_GLOBAL ASM_PFX(AsmWriteMm7)

 ASM_PFX(AsmWriteMm7):

     movd  %rcx, %mm7

     ret

diff --git a/MdePkg/Library/BaseLib/X64/WriteMsr64.S b/MdePkg/Library/BaseLib/X64/WriteMsr64.S
index a034efe07..dd2bc3ddb 100644
--- a/MdePkg/Library/BaseLib/X64/WriteMsr64.S
+++ b/MdePkg/Library/BaseLib/X64/WriteMsr64.S
@@ -30,7 +30,7 @@
 #   IN UINT64  Value

 #   );

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

-.global ASM_PFX(AsmWriteMsr64)

+ASM_GLOBAL ASM_PFX(AsmWriteMsr64)

 .align 16

 ASM_PFX(AsmWriteMsr64):

     mov %rdx, %rax            # meanwhile, rax <- return value

diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange32.S b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange32.S
index 8faca8b7b..90b1af11d 100644
--- a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange32.S
+++ b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange32.S
@@ -30,7 +30,7 @@
 #   IN      UINT32                    ExchangeValue

 #   );

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

-.global ASM_PFX(InternalSyncCompareExchange32)

+ASM_GLOBAL ASM_PFX(InternalSyncCompareExchange32)

 ASM_PFX(InternalSyncCompareExchange32):

     mov     %edx, %eax

     lock    cmpxchg %r8d, (%rcx)

diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.S b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.S
index 5e6e16352..227ee2500 100644
--- a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.S
+++ b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedCompareExchange64.S
@@ -31,7 +31,7 @@
 #   IN      UINT64                    ExchangeValue

 #   );

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

-.global ASM_PFX(InternalSyncCompareExchange64)

+ASM_GLOBAL ASM_PFX(InternalSyncCompareExchange64)

 .align 16

 ASM_PFX(InternalSyncCompareExchange64):

     mov     %rdx, %rax

diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedDecrement.S b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedDecrement.S
index d06559bd2..2cadd0269 100644
--- a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedDecrement.S
+++ b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedDecrement.S
@@ -29,7 +29,7 @@
 #   IN      UINT32                    *Value

 #   );

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

-.global ASM_PFX(InternalSyncDecrement)

+ASM_GLOBAL ASM_PFX(InternalSyncDecrement)

 ASM_PFX(InternalSyncDecrement):

     lock    decl (%rcx)

     mov     (%rcx), %eax

diff --git a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedIncrement.S b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedIncrement.S
index 0416dd7d2..e1d3a02f2 100644
--- a/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedIncrement.S
+++ b/MdePkg/Library/BaseSynchronizationLib/X64/InterlockedIncrement.S
@@ -29,7 +29,7 @@
 #   IN      UINT32                    *Value

 #   );

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

-.global ASM_PFX(InternalSyncIncrement)

+ASM_GLOBAL ASM_PFX(InternalSyncIncrement)

 ASM_PFX(InternalSyncIncrement):

     lock    incl  (%rcx)

     mov     (%rcx), %eax