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Fix bug in EBC thunk for X64 that appears when higher levels of compiler optimization is used. 

This is a temporary fix that should for for most tool chains.  A more complete fix will be required to guarantee compatibility with all tool chains.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8973 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2009-07-18 16:00:10 +00:00
parent 2703f9e230
commit ebceb28e26
2 changed files with 2 additions and 1 deletions
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1
MdeModulePkg/Universal/EbcDxe/X64/EbcLowLevel.S
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@ -86,6 +86,7 @@ ASM_PFX(EbcLLCALLEXNative):
#
ASM_GLOBAL ASM_PFX(EbcLLGetEbcEntryPoint);
ASM_PFX(EbcLLGetEbcEntryPoint):
mov %r10, %rax
ret
#/*++

2
MdeModulePkg/Universal/EbcDxe/X64/EbcSupport.c
View File

@ -412,7 +412,7 @@ EbcCreateThunks (
//
// Add code bytes to load up a processor register with the EBC entry point.
// mov r10, 123456789abcdef0h => 48 B8 F0 DE BC 9A 78 56 34 12
// mov r10, 123456789abcdef0h => 49 BA F0 DE BC 9A 78 56 34 12
// The first 8 bytes of the thunk entry is the address of the EBC
// entry point.
//