Correct Minor Comments in M3 to M4 review.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6842 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -237,6 +237,18 @@ typedef struct {
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UINT64 r11;
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} PAL_CALL_RETURN;
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/**
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Return the pointer to the first instruction of a function given a function pointer.
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For Itanium CPUs, all function calls are made through a PLABEL, so a pointer to a function
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is actually a pointer to a PLABEL. The pointer to the first instruction of the function
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is contained within the PLABEL. This macro may be used to retrieve a pointer to the first
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instruction of a function independent of the CPU architecture being used. This is very
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useful when printing function addresses through DEBUG() macros.
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@param p A pointer to a function
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@return The pointer to the first instruction of a function given a function pointer.
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**/
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#define FUNCTION_ENTRY_POINT(p) (((EFI_PLABEL *)(p))->EntryPoint)
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#endif
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