Some of use may have used this:
OPTION PROLOGUE:PrologueDef
OPTION EPILOGUE:EpilogueDef
What if PrologueDef is a macro defined by ourselves? Testbed attached, pure Masm32 SDK. It behaves differently when assembled with MASM or the Watcom-based assemblers UAsm and AsmC.
MbProlog MACRO procname, flags, argbytes, localbytes, reglist, userparms
Local tmp$
tmp$ CATSTR <** This is MbProlo for >, <procname>
% echo tmp$
MbProUsed=1
mov eax, eax
MbLocBytes=localbytes
if localbytes or argbytes
if localbytes gt 8100
tmp$ CATSTR <*** warning: with >, %localbytes, < local bytes in &procname&, you might run into guard page problems. Use StackBuffer instead ***>
% echo tmp$
endif
push ebp
mov ebp, esp
if localbytes
add esp, -localbytes
endif
endif
ifnb <reglist>
for reg, reglist ; uses
MbProUsed=MbProUsed+4
push reg
endm
endif
EXITM %localbytes ; see Q94942
ENDM