Reviewed-by: Jeff Fan <[email protected]>

-----Original Message-----
From: edk2-devel [mailto:[email protected]] On Behalf Of Michael 
Kinney
Sent: Wednesday, May 24, 2017 7:21 AM
To: [email protected]
Cc: Wu, Hao A; Kinney, Michael D; Laszlo Ersek; Andrew Fish; Fan, Jeff
Subject: [edk2] [Patch] SourceLevelDebugPkg/SecPeiDebugAgentLib: Fix duplicate 
symbol

https://bugzilla.tianocore.org/show_bug.cgi?id=573

The SecPeiDebugAgentLib uses the global variable mMemoryDiscoveredNotifyList 
for a PPI notification on the Memory Discovered PPI.  This same variable name 
is used in the DxeIplPeim for the same PPI notification.

The XCODE5 tool chain detects this duplicate symbol when the OVMF platform is 
built with the flag -D SOURCE_DEBUG_ENABLE.

The fix is to rename this global variable in the SecPeiDebugAgentLib library.

Cc: Andrew Fish <[email protected]>
Cc: Jeff Fan <[email protected]>
Cc: Hao Wu <[email protected]>
Cc: Laszlo Ersek <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael D Kinney <[email protected]>
---
 .../Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c         | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git 
a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c 
b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c
index b717e33..9f5223a 100644
--- 
a/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebugAgentLib.c
+++ b/SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgent/SecPeiDebu
+++ gAgentLib.c
@@ -32,7 +32,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_PPI_DESCRIPTOR          
 mVectorHandoffInf
   }
 };
 
-GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR 
mMemoryDiscoveredNotifyList[1] = {
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR 
+mDebugAgentMemoryDiscoveredNotifyList[1] = {
   {
     (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | 
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
     &gEfiPeiMemoryDiscoveredPpiGuid,
@@ -554,7 +554,7 @@ InitializeDebugAgent (
     // Register for a callback once memory has been initialized.
     // If memery has been ready, the callback funtion will be invoked 
immediately
     //
-    Status = PeiServicesNotifyPpi (&mMemoryDiscoveredNotifyList[0]);
+    Status = PeiServicesNotifyPpi 
+ (&mDebugAgentMemoryDiscoveredNotifyList[0]);
     if (EFI_ERROR (Status)) {
       DEBUG ((EFI_D_ERROR, "DebugAgent: Failed to register memory discovered 
callback function!\n"));
       CpuDeadLoop ();
--
2.6.3.windows.1

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