https://bugzilla.tianocore.org/show_bug.cgi?id=4035
64bit FSP FV map file cannot be created correctly when using CLANG
compiler. When compiling 64bit FSP with CLANG, there is no prefix
symbol '_' added to function name. Hence FSP FV map file cannot be
created properly. Updated the if condition for CLANG in GenFv to
get the issue fixed.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Lee Hamel <lee.m.hamel@intel.com>
Signed-off-by: Ted Kuo <ted.kuo@intel.com>
---
 BaseTools/Source/C/GenFv/GenFvInternalLib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Source/C/GenFv/GenFvInternalLib.c b/BaseTools/Source/C/GenFv/GenFvInternalLib.c
index d650a527a5..d28ac8f6eb 100644
--- a/BaseTools/Source/C/GenFv/GenFvInternalLib.c
+++ b/BaseTools/Source/C/GenFv/GenFvInternalLib.c
@@ -1004,7 +1004,7 @@ Returns:
       if (IsUseClang) {
         sscanf (Line, "%llx %s %s %s", &TempLongAddress, KeyWord, KeyWord2, FunctionTypeName);
         FunctionAddress = (UINT64) TempLongAddress;
-        if (FunctionTypeName [0] == '_' ) {
+        if (FunctionTypeName [0] != '/' && FunctionTypeName [0] != '.' && FunctionTypeName [1] != ':') {
           fprintf (FvMapFile, "  0x%010llx    ", (unsigned long long) (ImageBaseAddress + FunctionAddress - LinkTimeBaseAddress));
           fprintf (FvMapFile, "%s\n", FunctionTypeName);
         }
-- 
2.35.3.windows.1



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Reviewed-by: Bob Feng <bob.c.feng@intel.com>

-----Original Message-----
From: Kuo, Ted <ted.kuo@intel.com> 
Sent: Monday, August 29, 2022 5:28 PM
To: devel@edk2.groups.io
Cc: Feng, Bob C <bob.c.feng@intel.com>; Gao, Liming <gaoliming@byosoft.com.cn>; Chen, Christine <yuwei.chen@intel.com>; Hamel, Lee M <lee.m.hamel@intel.com>
Subject: [edk2-devel][PATCH v1] BaseTools: 64bit FSP FV map file cannot be created correctly

https://bugzilla.tianocore.org/show_bug.cgi?id=4035
64bit FSP FV map file cannot be created correctly when using CLANG compiler. When compiling 64bit FSP with CLANG, there is no prefix symbol '_' added to function name. Hence FSP FV map file cannot be created properly. Updated the if condition for CLANG in GenFv to get the issue fixed.

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Cc: Lee Hamel <lee.m.hamel@intel.com>
Signed-off-by: Ted Kuo <ted.kuo@intel.com>
---
 BaseTools/Source/C/GenFv/GenFvInternalLib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/BaseTools/Source/C/GenFv/GenFvInternalLib.c b/BaseTools/Source/C/GenFv/GenFvInternalLib.c
index d650a527a5..d28ac8f6eb 100644
--- a/BaseTools/Source/C/GenFv/GenFvInternalLib.c
+++ b/BaseTools/Source/C/GenFv/GenFvInternalLib.c
@@ -1004,7 +1004,7 @@ Returns:
       if (IsUseClang) {         sscanf (Line, "%llx %s %s %s", &TempLongAddress, KeyWord, KeyWord2, FunctionTypeName);         FunctionAddress = (UINT64) TempLongAddress;-        if (FunctionTypeName [0] == '_' ) {+        if (FunctionTypeName [0] != '/' && FunctionTypeName [0] != '.' && FunctionTypeName [1] != ':') {           fprintf (FvMapFile, "  0x%010llx    ", (unsigned long long) (ImageBaseAddress + FunctionAddress - LinkTimeBaseAddress));           fprintf (FvMapFile, "%s\n", FunctionTypeName);         }-- 
2.35.3.windows.1



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