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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 457 | trolly | 1 | $Revision: 425 $ |
| 2 | ; Macroinstructions for defining and calling procedures |
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| 3 | |||
| 4 | macro stdcall proc,[arg] ; directly call STDCALL procedure |
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| 5 | { common |
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| 6 | if ~ arg eq |
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| 7 | reverse |
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| 8 | pushd arg |
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| 9 | common |
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| 10 | end if |
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| 11 | call proc } |
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| 12 | |||
| 13 | macro invoke proc,[arg] ; indirectly call STDCALL procedure |
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| 14 | { common |
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| 15 | if ~ arg eq |
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| 16 | reverse |
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| 17 | pushd arg |
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| 18 | common |
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| 19 | end if |
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| 20 | call [proc] } |
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| 21 | |||
| 22 | macro ccall proc,[arg] ; directly call CDECL procedure |
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| 23 | { common |
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| 24 | size@ccall = 0 |
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| 25 | if ~ arg eq |
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| 26 | reverse |
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| 27 | pushd arg |
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| 28 | size@ccall = size@ccall+4 |
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| 29 | common |
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| 30 | end if |
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| 31 | call proc |
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| 32 | if size@ccall |
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| 33 | add esp,size@ccall |
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| 34 | end if } |
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| 35 | |||
| 36 | macro cinvoke proc,[arg] ; indirectly call CDECL procedure |
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| 37 | { common |
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| 38 | size@ccall = 0 |
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| 39 | if ~ arg eq |
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| 40 | reverse |
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| 41 | pushd arg |
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| 42 | size@ccall = size@ccall+4 |
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| 43 | common |
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| 44 | end if |
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| 45 | call [proc] |
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| 46 | if size@ccall |
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| 47 | add esp,size@ccall |
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| 48 | end if } |
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| 49 | |||
| 50 | macro proc [args] ; define procedure |
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| 51 | { common |
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| 52 | match name params, args> |
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| 53 | \{ define@proc name, |
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| 54 | |||
| 55 | prologue@proc equ prologuedef |
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| 56 | |||
| 57 | macro prologuedef procname,flag,parmbytes,localbytes,reglist |
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| 58 | { if parmbytes | localbytes |
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| 59 | push ebp |
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| 60 | mov ebp,esp |
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| 61 | if localbytes |
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| 62 | sub esp,localbytes |
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| 63 | end if |
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| 64 | end if |
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| 65 | irps reg, reglist \{ push reg \} } |
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| 66 | |||
| 67 | epilogue@proc equ epiloguedef |
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| 68 | |||
| 69 | macro epiloguedef procname,flag,parmbytes,localbytes,reglist |
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| 70 | { irps reg, reglist \{ reverse pop reg \} |
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| 71 | if parmbytes | localbytes |
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| 72 | leave |
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| 73 | end if |
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| 74 | if (flag and 10000b) | (parmbytes=0) |
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| 75 | retn |
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| 76 | else |
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| 77 | retn parmbytes |
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| 78 | end if } |
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| 79 | |||
| 80 | macro define@proc name,statement |
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| 81 | { local params,flag,regs,parmbytes,localbytes,current |
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| 82 | if used name |
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| 83 | name: |
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| 84 | match =stdcall args, statement \{ params equ args |
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| 85 | flag = 11b \} |
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| 86 | match =stdcall, statement \{ params equ |
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| 87 | flag = 11b \} |
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| 88 | match =c args, statement \{ params equ args |
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| 89 | flag = 10001b \} |
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| 90 | match =c, statement \{ params equ |
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| 91 | flag = 10001b \} |
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| 92 | match =params, params \{ params equ statement |
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| 93 | flag = 0 \} |
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| 94 | virtual at ebp+8 |
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| 95 | match =uses reglist=,args, params \{ regs equ reglist |
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| 96 | params equ args \} |
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| 97 | match =regs =uses reglist, regs params \{ regs equ reglist |
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| 98 | params equ \} |
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| 99 | match =regs, regs \{ regs equ \} |
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| 100 | match =,args, params \{ defargs@proc args \} |
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| 101 | match =args@proc args, args@proc params \{ defargs@proc args \} |
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| 102 | parmbytes = $ - (ebp+8) |
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| 103 | end virtual |
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| 104 | name # % = parmbytes/4 |
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| 105 | all@vars equ |
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| 106 | current = 0 |
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| 107 | match prologue:reglist, prologue@proc: |
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| 108 | macro locals |
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| 109 | \{ virtual at ebp-localbytes+current |
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| 110 | macro label . \\{ deflocal@proc .,:, \\} |
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| 111 | struc db [val] \\{ \common deflocal@proc .,db,val \\} |
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| 112 | struc dw [val] \\{ \common deflocal@proc .,dw,val \\} |
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| 113 | struc dp [val] \\{ \common deflocal@proc .,dp,val \\} |
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| 114 | struc dd [val] \\{ \common deflocal@proc .,dd,val \\} |
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| 115 | struc dt [val] \\{ \common deflocal@proc .,dt,val \\} |
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| 116 | struc dq [val] \\{ \common deflocal@proc .,dq,val \\} |
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| 117 | struc rb cnt \\{ deflocal@proc .,rb cnt, \\} |
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| 118 | struc rw cnt \\{ deflocal@proc .,rw cnt, \\} |
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| 119 | struc rp cnt \\{ deflocal@proc .,rp cnt, \\} |
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| 120 | struc rd cnt \\{ deflocal@proc .,rd cnt, \\} |
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| 121 | struc rt cnt \\{ deflocal@proc .,rt cnt, \\} |
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| 122 | struc rq cnt \\{ deflocal@proc .,rq cnt, \\} \} |
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| 123 | macro endl |
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| 124 | \{ purge label |
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| 125 | restruc db,dw,dp,dd,dt,dq |
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| 126 | restruc rb,rw,rp,rd,rt,rq |
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| 127 | restruc byte,word,dword,pword,tword,qword |
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| 128 | current = $-(ebp-localbytes) |
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| 129 | end virtual \} |
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| 130 | macro ret operand |
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| 131 | \{ match any, operand \\{ retn operand \\} |
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| 132 | match , operand \\{ match epilogue:reglist, epilogue@proc: |
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| 133 | \\\{ epilogue name,flag,parmbytes,localbytes,reglist \\\} \\} \} |
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| 134 | macro finish@proc \{ localbytes = (((current-1) shr 2)+1) shl 2 |
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| 135 | end if \} } |
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| 136 | |||
| 137 | macro defargs@proc [arg] |
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| 138 | { common |
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| 139 | if ~ arg eq |
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| 140 | forward |
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| 141 | local ..arg,current@arg |
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| 142 | match argname:type, arg |
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| 143 | \{ current@arg equ argname |
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| 144 | label ..arg type |
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| 145 | argname equ ..arg |
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| 146 | if dqword eq type |
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| 147 | dd ?,?,?,? |
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| 148 | else if tbyte eq type |
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| 149 | dd ?,?,? |
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| 150 | else if qword eq type | pword eq type |
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| 151 | dd ?,? |
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| 152 | else |
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| 153 | dd ? |
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| 154 | end if \} |
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| 155 | match =current@arg,current@arg |
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| 156 | \{ current@arg equ arg |
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| 157 | arg equ ..arg |
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| 158 | ..arg dd ? \} |
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| 159 | common |
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| 160 | args@proc equ current@arg |
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| 161 | forward |
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| 162 | restore current@arg |
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| 163 | common |
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| 164 | end if } |
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| 165 | |||
| 166 | macro deflocal@proc name,def,[val] |
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| 167 | { common |
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| 168 | match vars, all@vars \{ all@vars equ all@vars, \} |
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| 169 | all@vars equ all@vars name |
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| 170 | forward |
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| 171 | local ..var,..tmp |
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| 172 | ..var def val |
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| 173 | match =?, val \{ ..tmp equ \} |
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| 174 | match any =dup (=?), val \{ ..tmp equ \} |
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| 175 | match tmp : value, ..tmp : val |
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| 176 | \{ tmp: end virtual |
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| 177 | initlocal@proc ..var,def value |
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| 178 | virtual at tmp\} |
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| 179 | common |
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| 180 | match first rest, ..var, \{ name equ first \} } |
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| 181 | |||
| 182 | macro initlocal@proc name,def |
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| 183 | { virtual at name |
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| 184 | def |
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| 185 | size@initlocal = $ - name |
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| 186 | end virtual |
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| 187 | position@initlocal = 0 |
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| 188 | while size@initlocal > position@initlocal |
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| 189 | virtual at name |
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| 190 | def |
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| 191 | if size@initlocal - position@initlocal < 2 |
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| 192 | current@initlocal = 1 |
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| 193 | load byte@initlocal byte from name+position@initlocal |
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| 194 | else if size@initlocal - position@initlocal < 4 |
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| 195 | current@initlocal = 2 |
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| 196 | load word@initlocal word from name+position@initlocal |
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| 197 | else |
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| 198 | current@initlocal = 4 |
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| 199 | load dword@initlocal dword from name+position@initlocal |
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| 200 | end if |
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| 201 | end virtual |
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| 202 | if current@initlocal = 1 |
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| 203 | mov byte [name+position@initlocal],byte@initlocal |
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| 204 | else if current@initlocal = 2 |
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| 205 | mov word [name+position@initlocal],word@initlocal |
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| 206 | else |
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| 207 | mov dword [name+position@initlocal],dword@initlocal |
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| 208 | end if |
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| 209 | position@initlocal = position@initlocal + current@initlocal |
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| 210 | end while } |
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| 211 | |||
| 212 | macro endp |
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| 213 | { purge ret,locals,endl |
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| 214 | finish@proc |
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| 215 | purge finish@proc |
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| 216 | restore regs@proc |
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| 217 | match all,args@proc \{ restore all \} |
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| 218 | restore args@proc |
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| 219 | match all,all@vars \{ restore all \} } |
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| 220 | |||
| 221 | macro local [var] |
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| 222 | { common |
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| 223 | locals |
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| 224 | forward done@local equ |
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| 225 | match varname[count]:vartype, var |
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| 226 | \{ match =BYTE, vartype \\{ varname rb count |
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| 227 | restore done@local \\} |
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| 228 | match =WORD, vartype \\{ varname rw count |
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| 229 | restore done@local \\} |
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| 230 | match =DWORD, vartype \\{ varname rd count |
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| 231 | restore done@local \\} |
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| 232 | match =PWORD, vartype \\{ varname rp count |
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| 233 | restore done@local \\} |
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| 234 | match =QWORD, vartype \\{ varname rq count |
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| 235 | restore done@local \\} |
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| 236 | match =TBYTE, vartype \\{ varname rt count |
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| 237 | restore done@local \\} |
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| 238 | match =DQWORD, vartype \\{ label varname dqword |
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| 239 | rq count+count |
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| 240 | restore done@local \\} |
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| 241 | match , done@local \\{ virtual |
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| 242 | varname vartype |
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| 243 | end virtual |
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| 244 | rb count*sizeof.\#vartype |
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| 245 | restore done@local \\} \} |
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| 246 | match :varname:vartype, done@local:var |
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| 247 | \{ match =BYTE, vartype \\{ varname db ? |
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| 248 | restore done@local \\} |
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| 249 | match =WORD, vartype \\{ varname dw ? |
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| 250 | restore done@local \\} |
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| 251 | match =DWORD, vartype \\{ varname dd ? |
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| 252 | restore done@local \\} |
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| 253 | match =PWORD, vartype \\{ varname dp ? |
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| 254 | restore done@local \\} |
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| 255 | match =QWORD, vartype \\{ varname dq ? |
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| 256 | restore done@local \\} |
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| 257 | match =TBYTE, vartype \\{ varname dt ? |
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| 258 | restore done@local \\} |
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| 259 | match =DQWORD, vartype \\{ label varname dqword |
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| 260 | dq ?,? |
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| 261 | restore done@local \\} |
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| 262 | match , done@local \\{ varname vartype |
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| 263 | restore done@local \\} \} |
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| 264 | match ,done@local |
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| 265 | \{ var |
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| 266 | restore done@local \} |
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| 267 | common |
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| 268 | endl } |