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87 lines
1.9 KiB
PHP
87 lines
1.9 KiB
PHP
; Magic for proc32.inc: prologue/epilogue for esp-based addressing
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; fpo stands from Frame Pointer Omission
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macro fpo_prologue procname,flag,parmbytes,localbytes,reglist
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{
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local loc,regcount
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loc = (localbytes+3) and (not 3)
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regcount = 0
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irps reg, reglist
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\{
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regcount = regcount+1
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push reg
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\}
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if loc
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sub esp, loc
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end if
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parmbase@proc equ esp+4+loc+regcount*4
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localbase@proc equ esp
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fpo_localsize = loc
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fpo_delta = 0
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}
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macro fpo_epilogue procname,flag,parmbytes,localbytes,reglist
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{
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if fpo_localsize
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add esp, fpo_localsize
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end if
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irps reg, reglist \{ reverse pop reg \}
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if flag and 10000b
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retn
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else
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retn parmbytes
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end if
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}
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macro deflocal@proc name,def,[val]
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{
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common
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deflocal@proc name#_unique_suffix,def,val
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all@vars equ all@vars,name
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name equ name#_unique_suffix+fpo_delta
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}
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macro defargs@proc [arg]
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{
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common
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rawargs equ
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srcargs equ arg
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forward
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rawargs equ rawargs,arg#_unique_suffix
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common
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match =,tmp,rawargs \{
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defargs@proc tmp
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uniqargs equ args@proc
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restore args@proc
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args@proc equ uniqargs,srcargs
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\}
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forward
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arg equ arg#_unique_suffix+fpo_delta
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}
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macro stdcall proc,[arg] ; directly call STDCALL procedure
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{ common
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fpo_delta_base = fpo_delta
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if ~ arg eq
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reverse
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pushd arg
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fpo_delta = fpo_delta + 4
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common
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end if
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call proc
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fpo_delta = fpo_delta_base
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}
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macro ccall proc,[arg] ; directly call CDECL procedure
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{ common
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fpo_delta_base = fpo_delta
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size@ccall = 0
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if ~ arg eq
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reverse
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pushd arg
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fpo_delta = fpo_delta + 4
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size@ccall = size@ccall+4
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common
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end if
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call proc
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if size@ccall
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add esp, size@ccall
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end if
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fpo_delta = fpo_delta_base
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}
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fpo_delta = 0
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