rev |
line source |
pascal@21791
|
1 BEGIN { hold=0; is386=0; isload=0; isiso=0; istazboot=0; wascall=0; ishimem=0; label="none"; xlabel=""; file="" }
|
pascal@20458
|
2 function isnum(n) { return match(n,/^[0-9+-]/) }
|
pascal@20458
|
3 {
|
pascal@20632
|
4 sub(/segment word public/,"segment byte public")
|
pascal@20634
|
5
|
pascal@22171
|
6 if (/^ ; $/) next
|
pascal@21576
|
7 if (/^@.*:$/ || / endp$/) afterjmp=0
|
pascal@21791
|
8 if (/^ \.386p$/) is386=1
|
pascal@21791
|
9 if (file == "" && /debug S/) { file=$3; gsub(/\"/,"",file) }
|
pascal@21984
|
10 if (/debug S/) print " %PAGESIZE 1000"
|
pascal@21984
|
11 if (file == "tazboot.cpp") {
|
pascal@21984
|
12 if (/add si,2/) $0=" lodsw ; " $0
|
pascal@21984
|
13 if (/add si,4/) { print " lodsw"; $0=" lodsw ; " $0 }
|
pascal@21984
|
14 if (/add di,2/) $0=" scasw ; " $0
|
pascal@21989
|
15 if (/int argc/) istazboot=1
|
pascal@21989
|
16 if (istazboot == 1) {
|
pascal@21989
|
17 if (/push.*i$/) $0="; " $0
|
pascal@21989
|
18 if (/word ptr/) { istazboot=0; $0="; " $0 }
|
pascal@21989
|
19 }
|
pascal@21984
|
20 } # file == "tazboot.cpp"
|
pascal@21984
|
21 if (file == "linld.cpp") {
|
pascal@21984
|
22 if (/add si,2/) $0=" lodsw ; " $0
|
pascal@21984
|
23 if (/add di,2/) $0=" scasw ; " $0
|
pascal@21984
|
24 if (/bx,offset DGROUP:s@\+26/) sub(/mov/,";mov")
|
pascal@21984
|
25 if (islinld==1) {
|
pascal@21984
|
26 print "; " $0
|
pascal@21984
|
27 if (!/word ptr/) next
|
pascal@21984
|
28 islinld=0
|
pascal@21984
|
29 sub(/,word.*/,",di ; argv")
|
pascal@21984
|
30 if (/di,di/) { print "; " $0; next }
|
pascal@21984
|
31 }
|
pascal@21984
|
32 if (/^_main proc/) islinld=1
|
pascal@21984
|
33 if (/== 0x662F/) islinld=2
|
pascal@21984
|
34 if (islinld==2) {
|
pascal@21984
|
35 if (/cpuhaslm/) islinld=0
|
pascal@21984
|
36 if (/mov/) { print "; " $0; next }
|
pascal@21984
|
37 }
|
pascal@21984
|
38 if (/image\|initrd/) islinld=3
|
pascal@21984
|
39 if (islinld==3) {
|
pascal@21984
|
40 if (/bx,word ptr/) { islinld=0; print "; " $0; next }
|
pascal@21984
|
41 }
|
pascal@21984
|
42 if (/fileexist\$qpxzc/) islinld=4
|
pascal@21984
|
43 if (islinld==4) {
|
pascal@21984
|
44 if (/ax,-1/) print " mov bx,word ptr [si]"
|
pascal@21984
|
45 if (/ax,word ptr/) $0=" xchg ax,bx"
|
pascal@21984
|
46 if (/\[si\]$/) { islinld=0; print "; " $0; next }
|
pascal@21984
|
47 }
|
pascal@23804
|
48 if (/do strcatb/) islinld=5
|
pascal@23804
|
49 if (islinld==5) {
|
pascal@23804
|
50 if (/si/) next
|
pascal@23804
|
51 $0=" lodsw"
|
pascal@23804
|
52 islinld=0
|
pascal@23804
|
53 }
|
pascal@21984
|
54 } # file == "linld.cpp"
|
pascal@21791
|
55 if (file == "himem.cpp") {
|
pascal@21984
|
56 if (/void load_image/) ishimem=1
|
pascal@21791
|
57 if (ishimem == 1 && is386 == 0) {
|
pascal@21791
|
58 if (/si\+8\]$/ || /si\+4\]$/ || /si\+16\]$/) next
|
pascal@21791
|
59 if (/si\+6\]$/ || /si\+2\]$/ || /si\+14\]$/) sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
60 if (/si\+12\],ax/ || /si\+16\],ax/ || /bp-2\],ax/) sub(/,ax/,",es")
|
pascal@21984
|
61 }
|
pascal@21984
|
62 if (ishimem == 1) {
|
pascal@21984
|
63 if (/do \{/) ishimem=2
|
pascal@21984
|
64 if (/byte ptr DGROUP:_vcpi,0/) print " mov bx,si"
|
pascal@21984
|
65 if (/bx,si/) next
|
pascal@21984
|
66 if (/sp,6/) {
|
pascal@21984
|
67 print " push si"
|
pascal@21984
|
68 print " push si"
|
pascal@21984
|
69 next
|
pascal@21984
|
70 }
|
pascal@21984
|
71 }
|
pascal@21984
|
72 if (ishimem == 2) {
|
pascal@21984
|
73 if (/movzx/) print " cwde"
|
pascal@21984
|
74 if (/bp-6/) next
|
pascal@21984
|
75 if (/storepage.bufv/) {
|
pascal@21984
|
76 print " inc ax"
|
pascal@21984
|
77 print " push ax"
|
pascal@21984
|
78 }
|
pascal@21984
|
79 if (/buf \+= size;/) {
|
pascal@21984
|
80 print " pop ax"
|
pascal@21984
|
81 }
|
pascal@21984
|
82 if (/Read error/) ishimem=0
|
pascal@21791
|
83 }
|
pascal@21791
|
84 } # file == "himem.cpp"
|
pascal@21791
|
85 if (file == "load.cpp") {
|
pascal@22152
|
86 if (/i\+21\],513$/) isload=11
|
pascal@21984
|
87 if (isload == 12) { # LOAD.LST
|
pascal@21984
|
88 if (/cmp/) next
|
pascal@21984
|
89 if (/jb/) isload=0
|
pascal@21984
|
90 sub(/jb/,"jcxz")
|
pascal@21984
|
91 }
|
pascal@21984
|
92 if (isload == 11) { # LOAD.LST
|
pascal@21984
|
93 if (/cmp/) {
|
pascal@21984
|
94 print " mov cx,513"
|
pascal@22152
|
95 sub(/cmp /,"sub cx,")
|
pascal@22152
|
96 sub(/,513/,"")
|
pascal@21984
|
97 }
|
pascal@21984
|
98 if (/jb/) isload=12
|
pascal@21984
|
99 sub(/jb/,"ja")
|
pascal@21984
|
100 }
|
pascal@22170
|
101 sub(/_imgs\+65534/,"_imgs-2")
|
pascal@22152
|
102 if (/m, _rm_size/) isload=10
|
pascal@21791
|
103 if (isload == 10) { # LOAD.LST
|
pascal@21791
|
104 if (/^ je /) next
|
pascal@21791
|
105 if (/ptr @die\$qpxzc/) {
|
pascal@21791
|
106 $0=" jne @die@"
|
pascal@21791
|
107 isload=0
|
pascal@21791
|
108 }
|
pascal@21791
|
109 }
|
pascal@21791
|
110 if (/setup_sects == 0/) isload=9
|
pascal@21791
|
111 if (isload == 9) { # LOAD.LST
|
pascal@21791
|
112 sub(/,0/,",al")
|
pascal@21791
|
113 if (/jne/) isload=0
|
pascal@21791
|
114 }
|
pascal@21784
|
115 if (/fallback\)\[1\] == 0/) isload=8
|
pascal@21784
|
116 if (isload == 8) { # LOAD.LST
|
pascal@21784
|
117 if (/load_image/) isload=0
|
pascal@21784
|
118 else next
|
pascal@21784
|
119 }
|
pascal@21757
|
120 if (/cmd_line_ptr =/ && is386 == 0) isload=7
|
pascal@21757
|
121 if (isload == 7) { # LOAD.LST
|
pascal@22181
|
122 if (/add/ || /xor/ || /extrn/ || /N_LXLSH@/ || /cl,4/ || /,ax/) next
|
pascal@22170
|
123 if (/enable A20 if needed/) { print nextinst; isload=0 }
|
pascal@22152
|
124 if (/i-463/) $0=" mov bx,-463"
|
pascal@22170
|
125 if (/i-465/) {
|
pascal@22170
|
126 sub(/465/,"2"); sub(/\[/,"[bx+")
|
pascal@22170
|
127 nextinst=$0; sub(/-2\],-23745/,"],8000h",nextinst)
|
pascal@22170
|
128 }
|
pascal@21757
|
129 if (/,dx/) {
|
pascal@21757
|
130 print " mov cl,12"
|
pascal@21757
|
131 print " shr ax,cl"
|
pascal@22181
|
132 print " mov bx,55"
|
pascal@21757
|
133 sub(/dx/,"ax")
|
pascal@21757
|
134 }
|
pascal@21757
|
135 }
|
pascal@21757
|
136 if (/\[0\] = m-\>fallback/) isload=6
|
pascal@21757
|
137 if (isload == 6) { # LOAD.LST
|
pascal@21984
|
138 if (/si\+2/) $0=" lodsw"
|
pascal@21757
|
139 if (/les/) sub(/bx,/,"ax,")
|
pascal@21757
|
140 if (/bx\+4/ || /es:/) {
|
pascal@21757
|
141 if (/bx\+4/) isload=0
|
pascal@21757
|
142 next
|
pascal@21757
|
143 }
|
pascal@21757
|
144 if (/si\+6/) {
|
pascal@21757
|
145 print " xchg ax,di"
|
pascal@21757
|
146 print " movsw"
|
pascal@21757
|
147 print " movsw"
|
pascal@21757
|
148 print " movsw"
|
pascal@21757
|
149 print " movsw"
|
pascal@21757
|
150 print " xchg ax,di"
|
pascal@21757
|
151 next
|
pascal@21757
|
152 }
|
pascal@21757
|
153 }
|
pascal@21757
|
154 if (/version_string = /) isload=5
|
pascal@21757
|
155 if (isload == 5) { # LOAD.LST
|
pascal@21757
|
156 sub(/ax,/,"bx,")
|
pascal@21757
|
157 if (/_version_string,/) isload=0
|
pascal@21757
|
158 if (/mov bx,ax/) next
|
pascal@21757
|
159 }
|
pascal@22180
|
160 if (/_base_himem\+2/ && is386 == 0) isload=4
|
pascal@22180
|
161 if (isload == 4) { # LOAD.LST
|
pascal@22180
|
162 if (/_base_himem\+2/) next
|
pascal@22180
|
163 if (/_base_himem$/) {
|
pascal@22180
|
164 sub(/mov dx,/,"les dx,d")
|
pascal@21757
|
165 }
|
pascal@21791
|
166 sub(/,ax/,",es")
|
pascal@22181
|
167 if (/add ax,word ptr/) $0=" add ax,cx"
|
pascal@22181
|
168 if (/i\+29\],0/) {
|
pascal@22181
|
169 sub(/,0$/,"")
|
pascal@22181
|
170 sub(/cmp /,"mov cx,")
|
pascal@22181
|
171 }
|
pascal@22181
|
172 sub(/je/,"jcxz")
|
pascal@22181
|
173 if (/@strcpy/) isload=0
|
pascal@21757
|
174 }
|
pascal@21754
|
175 if (/void load_initrd\(\)/) isload=3
|
pascal@21754
|
176 if (isload == 3) { # LOAD.LST
|
pascal@21754
|
177 if(/push di/ || /pop di/) next
|
pascal@21754
|
178 sub(/\[di/,"[bx")
|
pascal@21754
|
179 sub(/\di,/,"bx,")
|
pascal@21754
|
180 }
|
pascal@21750
|
181 if (/vid_mode = vid_mode/) isload=2
|
pascal@21750
|
182 if (isload == 2) { # LOAD.LST
|
pascal@21750
|
183 sub(/,0/,""); sub(/cmp /,"mov cx,")
|
pascal@21750
|
184 sub(/je/,"jcxz")
|
pascal@21750
|
185 if (/ax,word/) next
|
pascal@21750
|
186 sub(/,ax/,",cx")
|
pascal@21757
|
187 if (/version_string/ || /starting linux 1\.3\.73/) isload=0
|
pascal@21750
|
188 }
|
pascal@22677
|
189 if (/die\(not_kernel/ || /_rm_size=0x200/ || /heap_top = _rm_buf/) isload=1
|
pascal@21750
|
190 if (isload == 1) { # LOAD.LST
|
pascal@21791
|
191 if (/ptr .die\$qpxzc/) $0="@die@:\n" $0
|
pascal@21729
|
192 if (/mov al,byte ptr/ && is386) {
|
pascal@22152
|
193 sub(/mov al/,"movzx eax")
|
pascal@21729
|
194 }
|
pascal@21791
|
195 if (is386 == 0) {
|
pascal@22152
|
196 if (/m->size -= _rm_size/) print " cwd"
|
pascal@21791
|
197 sub(/,0$/,",dx")
|
pascal@21791
|
198 }
|
pascal@21729
|
199 if (/ax,word ptr/) next
|
pascal@21729
|
200 if (/^ call/) isload=0
|
pascal@21729
|
201 }
|
pascal@21791
|
202 } # file == "load.cpp"
|
pascal@21791
|
203 if (file == "iso9660.cpp") {
|
pascal@21791
|
204 if (/<< SECTORBITS/) isiso=9
|
pascal@21791
|
205 if (isiso == 9) { # ISO9660.LST
|
pascal@21791
|
206 if (/dx,/) next
|
pascal@21791
|
207 sub(/mov ax,/,"les ax,d")
|
pascal@21791
|
208 if (/^ call/) {
|
pascal@21791
|
209 print " extrn N_LXLSH@ES:near"
|
pascal@21791
|
210 sub(/N_LXLSH@/,"N_LXLSH@ES")
|
pascal@21791
|
211 isiso=0
|
pascal@21791
|
212 }
|
pascal@21791
|
213 }
|
pascal@21791
|
214 if (/filesize =/) isiso=8
|
pascal@21791
|
215 if (isiso == 8) { # ISO9660.LST
|
pascal@21791
|
216 if (/ax,/) next
|
pascal@21791
|
217 sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
218 sub(/,ax/,",es")
|
pascal@21791
|
219 if (/filemod/) isiso=0
|
pascal@21791
|
220 }
|
pascal@21754
|
221 if (/CD001/) isiso=7
|
pascal@21754
|
222 if (isiso == 7) { # ISO9660.LST
|
pascal@21754
|
223 sub(/mov ax,-1/,"dec ax")
|
pascal@21754
|
224 if (/jmp/) isiso=0
|
pascal@21754
|
225 }
|
pascal@21754
|
226 if (/int len =/) isiso=6
|
pascal@21754
|
227 if (isiso == 6) { # ISO9660.LST
|
pascal@21754
|
228 if (/dx,ax/) next
|
pascal@21754
|
229 sub(/ax/,"dx")
|
pascal@21754
|
230 sub(/cx,di/,"bx,di")
|
pascal@21754
|
231 sub(/cx,dx/,"bx,ax")
|
pascal@21754
|
232 sub(/di,dx/,"di,ax")
|
pascal@21754
|
233 if (/while/) isiso=2
|
pascal@21754
|
234 }
|
pascal@21754
|
235 if (/entrysize =/) isiso=5
|
pascal@21754
|
236 if (isiso == 5) { # ISO9660.LST
|
pascal@21754
|
237 if (/ax,ax/) next
|
pascal@21754
|
238 sub(/ax/,"cx")
|
pascal@21754
|
239 sub(/je/,"jcxz")
|
pascal@21754
|
240 if (/return/) isiso=0
|
pascal@21754
|
241 }
|
pascal@21735
|
242 if (/x->curdirsize == 0xFFFF/) isiso=4
|
pascal@21735
|
243 if (isiso == 4) { # ISO9660.LST
|
pascal@21754
|
244 sub(/DGROUP:_isostate\+18/,"[si+18]")
|
pascal@21754
|
245 sub(/DGROUP:_isostate\+20/,"[si+20]")
|
pascal@21747
|
246 if (/goto restarted/) isiso=0
|
pascal@21735
|
247 }
|
pascal@21791
|
248 } # file == "iso9660.cpp"
|
pascal@21791
|
249 if (file == "iso9660.cpp" || file == "tazboot.cpp") {
|
pascal@21754
|
250 if (/do s\+\+; while/) isiso=3
|
pascal@21801
|
251 if (/for \(p = s; \*s && \*s \!=/) isiso=3 # tazboot/main
|
pascal@21750
|
252 if (isiso == 3) { # ISO9660.LST, TAZBOOT.LST
|
pascal@21754
|
253 sub(/cmp byte ptr \[.i\]/,"sub al")
|
pascal@21754
|
254 if (/mov byte ptr \[bp-5\],al/) $0=" push ax"
|
pascal@21754
|
255 if (/mov al,byte ptr \[bp-5\]/) $0=" pop ax"
|
pascal@21754
|
256 if (/inc /) { r=$2; print; next }
|
pascal@21754
|
257 if (/al,0/) print " mov al,[" r "]"
|
pascal@21754
|
258 if (/al,byte ptr/) sub(/mov/,"xchg")
|
pascal@21754
|
259 if (/byte ptr \[.*\],0/) next
|
pascal@21791
|
260 if (/jmp/) {
|
pascal@21791
|
261 print " mov bx,si"
|
pascal@21791
|
262 $0=" db 0A8h ; test al,xx instead of " $0
|
pascal@21791
|
263 }
|
pascal@21754
|
264 if (/word ptr \[bp-4\]/) next
|
pascal@21754
|
265 if (/\) s\+\+;/ || /\],-1/) isiso=0
|
pascal@21735
|
266 }
|
pascal@21791
|
267 } # file == "iso9660.cpp" || file == "tazboot.cpp"
|
pascal@21791
|
268 if (file == "iso9660.cpp") {
|
pascal@21735
|
269 if (/endname = NULL/) isiso=2
|
pascal@21735
|
270 if (isiso == 2) { # ISO9660.LST
|
pascal@21735
|
271 if (/mov bx,cx/) next
|
pascal@21735
|
272 gsub(/cx/,"bx")
|
pascal@21754
|
273 sub(/DGROUP:_isostate\+35/,"[si+35]")
|
pascal@21735
|
274 }
|
pascal@21735
|
275 if (/const char \*n = name/) isiso=1
|
pascal@21735
|
276 if (isiso == 1) { # ISO9660.LST
|
pascal@21735
|
277 if ((/mov word ptr \[si\+32\],ax/ ) ||
|
pascal@21754
|
278 (/mov ax,word ptr \[si\+2\]/) ||
|
pascal@21735
|
279 (/bx,word ptr \[si\+32\]/) || (/ax,dx/)) next
|
pascal@21729
|
280 if (/dx,/) sub(/dx/,"ax")
|
pascal@21754
|
281 if ((/sub ax,word ptr \[si\+2\]/) ||
|
pascal@21754
|
282 (/\[si\+16\]/) || (/ax,di/)) sub(/ax/,"bx")
|
pascal@21754
|
283 if (/add word ptr \[si\+32\],ax/) $0=" add bx,word ptr [si+16]"
|
pascal@21735
|
284 if (/al,/ || /,al/) sub(/al/,"cl")
|
pascal@21754
|
285 if (/cmp byte ptr \[si\+34\],0/) $0=" or cl,cl"
|
pascal@21735
|
286 if (/jne @@0$/) next
|
pascal@21735
|
287 if (/jmp @3@58$/) $0=" je @3@58"
|
pascal@21754
|
288 sub(/mov ax,-1/,"dec ax")
|
pascal@21754
|
289 }
|
pascal@21791
|
290 } # file == "iso9660.cpp"
|
pascal@21754
|
291 if (/endp/) { xlabel = ""; goto2=0 }
|
pascal@21801
|
292 if (/isoopen\(s\+7\)/ && xlabel == "") goto2=1 # tazboot/bootiso
|
pascal@21801
|
293 if (/_vid_mode,ax/ && xlabel == "") goto2=1 # tazboot/main
|
pascal@21801
|
294 if (/_initrd_name,si/ && xlabel == "") goto2=1 # tazboot/main
|
pascal@21801
|
295 if (/_base_himem\+2,/ && xlabel == "@") goto2=1 # tazboot/bootiso tazboot/main
|
pascal@21801
|
296 if (/DGROUP:_skip_alloc/ && xlabel == "@") goto2=1 # tazboot/bootiso tazboot/main
|
pascal@21754
|
297 if (/puts\(cmdline\)/ && xlabel == "@@") goto2=1
|
pascal@21754
|
298 if (goto2 == 1 && /jmp/) { # TAZBOOT.LST && LINLD.LST
|
pascal@21754
|
299 print $NF xlabel "@:"
|
pascal@21754
|
300 label=$NF
|
pascal@21754
|
301 }
|
pascal@21754
|
302 if (goto2 > 0 && label == $NF) {
|
pascal@21754
|
303 $0=$0 xlabel
|
pascal@21754
|
304 if (goto2++ == 1) xlabel=xlabel "@"
|
pascal@21754
|
305 }
|
pascal@21801
|
306 if (file == "tazboot.cpp" && /close\(x/) isotazboot=16
|
pascal@21801
|
307 if (isotazboot == 160) { # TAZBOOT.LST
|
pascal@21801
|
308 $0="; " $0
|
pascal@21801
|
309 if (/ret/) isotazboot=0
|
pascal@21801
|
310 }
|
pascal@21801
|
311 if (isotazboot == 16) { # TAZBOOT.LST
|
pascal@21801
|
312 if (/@.@/) {
|
pascal@21801
|
313 isotazboot=160
|
pascal@21801
|
314 next
|
pascal@21801
|
315 }
|
pascal@21801
|
316 }
|
pascal@21801
|
317 if (file == "tazboot.cpp" && /jne @@2/) isotazboot=15
|
pascal@21801
|
318 if (isotazboot == 15) { # TAZBOOT.LST
|
pascal@21801
|
319 if (/@.@/) {
|
pascal@21801
|
320 print " pop di"
|
pascal@21801
|
321 print " pop si"
|
pascal@21801
|
322 print " mov sp,bp"
|
pascal@21801
|
323 print " pop bp"
|
pascal@21801
|
324 print " ret"
|
pascal@21801
|
325 next
|
pascal@21801
|
326 }
|
pascal@21801
|
327 if (/skip_alloc/) isotazboot=0
|
pascal@21801
|
328 }
|
pascal@21791
|
329 if (/if\(\*s>=/) isotazboot=14
|
pascal@21791
|
330 if (isotazboot == 14) { # LINLD.LST
|
pascal@21791
|
331 if (/jmp/) {
|
pascal@21791
|
332 $0=" db 0A9h ; test ax,xxxx instead of " $0
|
pascal@21791
|
333 isotazboot=0
|
pascal@21791
|
334 }
|
pascal@21791
|
335 }
|
pascal@21801
|
336 if (file == "tazboot.cpp" && /; s \+= 4/) isotazboot=13 # tazboot/main
|
pascal@21791
|
337 if (isotazboot == 13) { # TAZBOOT.LST
|
pascal@21791
|
338 if (/si,4/) $0=" lea bx,[si+4]"
|
pascal@21791
|
339 if (/bx,si/) next
|
pascal@21791
|
340 if (/DGROUP:_topmem/ || /set_iso/) isotazboot=0
|
pascal@21791
|
341 }
|
pascal@21801
|
342 if (file == "tazboot.cpp" && /case 0x652F:/) isotazboot=12 # tazboot/main
|
pascal@21791
|
343 if (isotazboot == 12) { # TAZBOOT.LST
|
pascal@21791
|
344 sub(/si,word/,"bx,word")
|
pascal@21791
|
345 if (/short/) isotazboot=0
|
pascal@21791
|
346 }
|
pascal@21801
|
347 if (/return load_kernel/) isotazboot=11 # tazboot/isokernel
|
pascal@21791
|
348 if (isotazboot == 11) { # TAZBOOT.LST
|
pascal@21791
|
349 sub(/call/,"jmp")
|
pascal@21791
|
350 if (/ret/ || /pop/) next
|
pascal@21791
|
351 if (/endp/) isotazboot=0
|
pascal@21791
|
352 }
|
pascal@21801
|
353 if (/cmdline=s\+=3/ || /magic \!= 0/ || /&root_dev =/) { isotazboot=10; j="" } # ,tazboot/bootiso,tazboot/main
|
pascal@21754
|
354 if (isotazboot == 10) { # TAZBOOT.LST && LINLD.LST
|
pascal@21754
|
355 if (/je/ || /jne/) { j=$1; next }
|
pascal@21754
|
356 if (/jmp/) {
|
pascal@21754
|
357 if (j=="jne") sub(/jmp/,"je")
|
pascal@21754
|
358 else if (j=="je") sub(/jmp/,"jne")
|
pascal@21754
|
359 isotazboot=0
|
pascal@21754
|
360 }
|
pascal@21754
|
361 }
|
pascal@21801
|
362 if (/static const unsigned long initrddesc = 18L/) isotazboot=9 # tazboot/bootiso
|
pascal@21754
|
363 if (isotazboot == 9) { # TAZBOOT.LST
|
pascal@21754
|
364 if (/,0/) {
|
pascal@21754
|
365 split($4,y,",")
|
pascal@21754
|
366 print " mov bx,offset " y[1]
|
pascal@21801
|
367 sub(/DGROUP:.*,/,"[bx],")
|
pascal@21754
|
368 }
|
pascal@21801
|
369 if (/mov/ && $3 == y[1]) next
|
pascal@21801
|
370 if (/je/) next
|
pascal@21801
|
371 if (/jmp/) sub(/jmp/,"jne")
|
pascal@21801
|
372 sub(/ax,offset/,"bx,offset")
|
pascal@21801
|
373 if (/bx,ax/) { isotazboot=0; next }
|
pascal@21729
|
374 }
|
pascal@21801
|
375 if (/isoopen\(s\+7\) != -1/) isotazboot=8 # tazboot/bootiso
|
pascal@21750
|
376 if (isotazboot == 8) { # TAZBOOT.LST
|
pascal@21801
|
377 sub(/\[bx/,"[si")
|
pascal@21801
|
378 if (/bx,si/) next
|
pascal@21750
|
379 if (/magic/) isotazboot=0
|
pascal@21750
|
380 }
|
pascal@21801
|
381 if (/isoopen\(\"bzImage\"\)/) isotazboot=7 # tazboot/bootiso
|
pascal@21750
|
382 if (isotazboot == 7) { # TAZBOOT.LST
|
pascal@21791
|
383 if (/inc/ || /,al/) next
|
pascal@21791
|
384 if (/al,byte/) sub (/mov al,/,"inc ")
|
pascal@21750
|
385 if (/isokernel/) isotazboot=0
|
pascal@21750
|
386 }
|
pascal@21801
|
387 if (/if \(c\) s\+\+;/) isotazboot=6 # tazboot/main
|
pascal@21750
|
388 if (isotazboot == 6) { # TAZBOOT.LST
|
pascal@21750
|
389 if (/cmp/) {
|
pascal@21750
|
390 $0=" cmp al,0"
|
pascal@21750
|
391 isotazboot=0
|
pascal@21750
|
392 }
|
pascal@21750
|
393 }
|
pascal@21801
|
394 if (/static void next_chunk/) isotazboot=5 # tazboot/next_chunk
|
pascal@21791
|
395 if (isotazboot == 501) {
|
pascal@21791
|
396 if (/ret/) {
|
pascal@21791
|
397 print "@1@86:"
|
pascal@21791
|
398 isotazboot=0
|
pascal@21791
|
399 }
|
pascal@21791
|
400 }
|
pascal@21754
|
401 if (isotazboot == 5 || isotazboot == 500) { # TAZBOOT.LST
|
pascal@21750
|
402 if (/cx,ax/) $0=" xchg ax,bx"
|
pascal@21754
|
403 if (/ax,word ptr \[si\+28\]/ && isotazboot == 500) next
|
pascal@21750
|
404 if (/bx,cx/) next
|
pascal@21754
|
405 if (/push/ || /pop/ || /bp,sp/ || /si,/) next
|
pascal@21754
|
406 sub(/\[si/,"[di")
|
pascal@21754
|
407 if (/initrd_info/) isotazboot=500
|
pascal@21791
|
408 if (/bx\+6\]/) next
|
pascal@21791
|
409 if (/bx\+4\]/) sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
410 sub(/di\+24\],ax/,"di+24],es")
|
pascal@21791
|
411 sub(/call/,"jmp")
|
pascal@21791
|
412 if (/ret/ || /pop/ || /^@1@86:/) next
|
pascal@21791
|
413 if (/_isostate\+14/) next
|
pascal@21791
|
414 if (/_isostate\+12/) {
|
pascal@21791
|
415 sub(/mov ax,/,"les ax,d")
|
pascal@21791
|
416 print
|
pascal@21791
|
417 print " mov dx,es"
|
pascal@21791
|
418 next
|
pascal@21791
|
419 }
|
pascal@21791
|
420 if (/ax,-4/) isotazboot++
|
pascal@21750
|
421 }
|
pascal@21801
|
422 if (/0x7FF0/) isotazboot=4 # tazboot/bootiso
|
pascal@21750
|
423 if (isotazboot == 4) { # TAZBOOT.LST
|
pascal@21750
|
424 if (/ax,word ptr/) {
|
pascal@21750
|
425 print " mov ax,32752"
|
pascal@21754
|
426 print " cwd"
|
pascal@21750
|
427 sub(/mov/,"sub")
|
pascal@21750
|
428 }
|
pascal@21750
|
429 if (/bx,/ || /cx,/ || /dx,/) next
|
pascal@21754
|
430 sub(/,0/,",dx")
|
pascal@21754
|
431 sub(/,bx/,",dx")
|
pascal@21750
|
432 sub(/,cx/,",ax")
|
pascal@21754
|
433 if (/@addinitrd\$qv/) isotazboot=0
|
pascal@21750
|
434 }
|
pascal@21801
|
435 if (/c = x->filename/) isotazboot=3 # tazboot/bootiso
|
pascal@21750
|
436 if (isotazboot == 3) { # TAZBOOT.LST
|
pascal@21750
|
437 if (/ax,/) $0=" xchg ax,bx"
|
pascal@21750
|
438 if (/\]$/) next
|
pascal@21750
|
439 if (/@strcpy\$qpxzct1/) isotazboot=0
|
pascal@21750
|
440 }
|
pascal@21801
|
441 if (/base_himem = memtop/) isotazboot=2 # tazboot/bootiso
|
pascal@21750
|
442 if (isotazboot == 2) { # TAZBOOT.LST
|
pascal@21801
|
443 if (/word ptr \[si\+2\],0/) {
|
pascal@21754
|
444 print s; hold=0
|
pascal@21801
|
445 print " mov bx,word ptr [si+2]"
|
pascal@21752
|
446 $0=" or bx,bx"
|
pascal@21752
|
447 }
|
pascal@21752
|
448 if (/\[bp-4\],ax/) sub(/ax/,"bx")
|
pascal@21801
|
449 if (/ax,word ptr \[si\+2\]/ || /bx,ax/) next
|
pascal@21791
|
450 if (/_base_himem\+2,dx/) {
|
pascal@21791
|
451 print " mov bx,offset DGROUP:_base_himem+2"
|
pascal@21791
|
452 }
|
pascal@21791
|
453 sub(/DGROUP:_base_himem,/,"[bx-2],")
|
pascal@21791
|
454 sub(/DGROUP:_base_himem\+2,/,"[bx],")
|
pascal@21791
|
455 sub(/DGROUP:_base_himem\+3,/,"[bx+1],")
|
pascal@21750
|
456 if (/@strcmp\$qpxzct1/) isotazboot=0
|
pascal@21750
|
457 }
|
pascal@21801
|
458 if (/static void addinitrd/) isotazboot=100 # tazboot/addinitrd
|
pascal@21751
|
459 if (isotazboot == 100) { # TAZBOOT.LST
|
pascal@21751
|
460 if (/cx,ax/) {
|
pascal@21754
|
461 print " mov si,offset _isostate+8"
|
pascal@21757
|
462 print " push ds"
|
pascal@21757
|
463 print " pop es"
|
pascal@21754
|
464 print " xchg ax,di"
|
pascal@21751
|
465 print " movsw"
|
pascal@21751
|
466 print " movsw"
|
pascal@21751
|
467 print " movsw"
|
pascal@21751
|
468 print " movsw"
|
pascal@21754
|
469 $0=" xchg ax,di"
|
pascal@21751
|
470 }
|
pascal@21751
|
471 if (/mov/ && !/si/ && !/cl/) next
|
pascal@21754
|
472 if (/void load_initrds/) isotazboot=101
|
pascal@21751
|
473 }
|
pascal@21754
|
474 if (isotazboot == 101 || isotazboot == 102) { # TAZBOOT.LST
|
pascal@21754
|
475 sub(/\[si/,"[di"); sub(/si,/,"di,"); sub(/si$/,"di")
|
pascal@21754
|
476 sub(/DGROUP:_imgs\+38$/,"[di+38-32]")
|
pascal@21754
|
477 sub(/DGROUP:_imgs\+40$/,"[di+40-32]")
|
pascal@21754
|
478 if (/isofd/) isotazboot=102
|
pascal@21754
|
479 if (/push/ && isotazboot == 102) next
|
pascal@21754
|
480 if (/pop/ && isotazboot == 102) next
|
pascal@21754
|
481 if (/load_initrd/) isotazboot=101
|
pascal@21754
|
482 if (/isokernel/) isotazboot=103
|
pascal@21754
|
483 }
|
pascal@21754
|
484 if (isotazboot > 102) { # TAZBOOT.LST
|
pascal@21754
|
485 if (/push/ || /pop/) next
|
pascal@21754
|
486 sub(/\[si/,"[bx")
|
pascal@21750
|
487 sub(/si,/,"bx,")
|
pascal@21750
|
488 if (/static void bootiso/) isotazboot=0
|
pascal@21750
|
489 }
|
pascal@21729
|
490 if (wascall) {
|
pascal@21729
|
491 if (rcall != "") {
|
pascal@21729
|
492 if (/,ax$/) print " mov " rcall ",ax"
|
pascal@21729
|
493 else print " xchg ax," rcall
|
pascal@21729
|
494 wascall=0
|
pascal@21729
|
495 }
|
pascal@21729
|
496 else if (/^ mov .i,ax$/) {
|
pascal@21729
|
497 split($2,y,",")
|
pascal@21729
|
498 rcall=y[1]
|
pascal@21729
|
499 next
|
pascal@21729
|
500 }
|
pascal@21729
|
501 else wascall=0
|
pascal@21729
|
502 }
|
pascal@21729
|
503 if (/^ call /) { wascall=1; rcall="" }
|
pascal@20458
|
504 if (hold == 0) {
|
pascal@20458
|
505 s=$0
|
pascal@20534
|
506 if (/^ mov .[ix],bx$/ || /^ mov .[ix],.i$/) {
|
pascal@20543
|
507 r=$2; kept=0
|
pascal@20458
|
508 hold=1; split($2,regs,","); next
|
pascal@20458
|
509 }
|
pascal@21729
|
510 if (/^ inc e?.[ixhl]/ || /^ dec e?.[ixhl]/) {
|
pascal@20458
|
511 hold=2; r=$2; next
|
pascal@20458
|
512 }
|
pascal@20458
|
513 if (/^ mov [abcds][ix],/ && ! /,.s/) {
|
pascal@20458
|
514 hold=3; split($2,regs,","); next
|
pascal@20458
|
515 }
|
pascal@20458
|
516 if (/^ movzx eax,ax$/) { hold=4; next }
|
pascal@20544
|
517 if (/^ cmp word ptr/ || /^ cmp [bcd]x,/) {
|
pascal@20543
|
518 split($0,regs,",")
|
pascal@20543
|
519 if (isnum(regs[2]) && regs[2] != 0 &&
|
pascal@20543
|
520 (regs[2] % 256) == 0) {
|
pascal@20549
|
521 hold=5; next
|
pascal@20543
|
522 }
|
pascal@20543
|
523 }
|
pascal@20630
|
524 if (/^ mov ax,cs$/) { hold=6; kept=0; next }
|
pascal@20630
|
525 if (/^ mov cl,4$/) { hold=7; next }
|
pascal@20630
|
526 if (/^ cmp word ptr DGROUP:.*,0$/) {
|
pascal@20630
|
527 hold=8; split($2,regs,","); next
|
pascal@20630
|
528 }
|
pascal@20634
|
529 if (/^ cbw/) { hold=11; kept=0; next }
|
pascal@20634
|
530 if (/^ add [abcds][ix],2$/) {
|
pascal@20634
|
531 split($2,regs,","); hold=12; next
|
pascal@20634
|
532 }
|
pascal@20634
|
533 if (/^ sub [abcds][ix],2$/) {
|
pascal@20634
|
534 split($2,regs,","); hold=13; next
|
pascal@20634
|
535 }
|
pascal@21569
|
536 if (/^ push dx$/) {
|
pascal@21569
|
537 hold=14; next;
|
pascal@21569
|
538 }
|
pascal@20458
|
539 }
|
pascal@20458
|
540 else if (hold == 1) {
|
pascal@20543
|
541 if (/^ ;/) { line[kept++]=$0; next }
|
pascal@20458
|
542 hold=0; split($2,args,","); op=""
|
pascal@20458
|
543 if ($1 == "add") op="+"
|
pascal@20458
|
544 if ($1 == "sub") op="-"
|
pascal@20751
|
545 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
546 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20543
|
547 if (op != "" && regs[1] == args[1]) {
|
pascal@20543
|
548 if (isnum(args[2])) {
|
pascal@20630
|
549 for (i = kept++; i > 0; i--) line[i] = line[i-1]
|
pascal@20630
|
550 line[0] = "\tlea\t" regs[1] ",[" regs[2] op args[2] "]"
|
pascal@22288
|
551 sub(/\+-/,"-",line[0])
|
pascal@20630
|
552 hold=10; next
|
pascal@20543
|
553 }
|
pascal@20543
|
554 line[kept++]=$0
|
pascal@20543
|
555 hold=1
|
pascal@20458
|
556 next
|
pascal@20458
|
557 }
|
pascal@20520
|
558 if (/^ pop [ds]i/ && regs[2] ~ /^[ds]i$/) {
|
pascal@20520
|
559 print " xchg " r
|
pascal@20520
|
560 }
|
pascal@20543
|
561 else print s
|
pascal@20543
|
562 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20458
|
563 }
|
pascal@20458
|
564 else if (hold == 2) {
|
pascal@21729
|
565 split($0,args,",")
|
pascal@21729
|
566 if (/^ mov / && r == args[2]) { print s; s=$0; next }
|
pascal@21729
|
567 split($2,args,",")
|
pascal@21729
|
568 hold=0; print s
|
pascal@20458
|
569 if ($1 == "or" && r == args[1] && r == args[2]) next # don't clear C ...
|
pascal@20458
|
570 }
|
pascal@20458
|
571 else if (hold == 3) {
|
pascal@20458
|
572 hold=0
|
pascal@21576
|
573 if (/^ call / && regs[2] == "ax") s=" xchg ax," regs[1]
|
pascal@20542
|
574 if (/^ add [abcds][ix],/) {
|
pascal@20458
|
575 split($2,regs2,",")
|
pascal@20458
|
576 if (regs[1] == regs2[1] && (regs2[2] == "offset" || isnum(regs2[2]))) {
|
pascal@20549
|
577 t=$0; sub(/mov/,$1,s); sub(/add/,"mov",t)
|
pascal@20458
|
578 print t; print s; next
|
pascal@20458
|
579 }
|
pascal@20458
|
580 }
|
pascal@20458
|
581 print s
|
pascal@20458
|
582 }
|
pascal@20458
|
583 else if (hold == 4) {
|
pascal@20458
|
584 hold=0
|
pascal@20458
|
585 if (/^ push eax$/) {
|
pascal@20458
|
586 print " push 0"; print " push ax"; next
|
pascal@20458
|
587 } else { print s }
|
pascal@20458
|
588 }
|
pascal@20543
|
589 else if (hold == 5) {
|
pascal@20543
|
590 hold=0
|
pascal@20543
|
591 if ($1 == "jae" || $1 == "jb") {
|
pascal@20544
|
592 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
593 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20543
|
594 s = s "/256"
|
pascal@20543
|
595 }
|
pascal@20543
|
596 print s
|
pascal@20543
|
597 }
|
pascal@20630
|
598 else if (hold == 6) {
|
pascal@20630
|
599 if (($1 == "and" || $1 == "add") && $2 ~ /^ax,/) {
|
pascal@20630
|
600 line[kept++]=$0
|
pascal@20630
|
601 next
|
pascal@20630
|
602 }
|
pascal@20630
|
603 p=$0
|
pascal@20630
|
604 if (/^ movzx eax,ax$/) {
|
pascal@20630
|
605 s=" mov eax,cs"; p=""
|
pascal@20630
|
606 }
|
pascal@20630
|
607 print s
|
pascal@20630
|
608 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20630
|
609 if (p != "") print p
|
pascal@20630
|
610 hold=0; next
|
pascal@20630
|
611 }
|
pascal@20630
|
612 else if (hold == 7) {
|
pascal@20458
|
613 hold=0
|
pascal@20520
|
614 if (/^ call near ptr N_LXURSH@$/) {
|
pascal@20520
|
615 print " extrn N_LXURSH@4:near"
|
pascal@20520
|
616 print " call near ptr N_LXURSH@4"
|
pascal@20520
|
617 next
|
pascal@20520
|
618 }
|
pascal@20528
|
619 if (/^ call near ptr N_LXLSH@$/) {
|
pascal@20528
|
620 print " extrn N_LXLSH@4:near"
|
pascal@20528
|
621 print " call near ptr N_LXLSH@4"
|
pascal@20528
|
622 next
|
pascal@20528
|
623 }
|
pascal@20520
|
624 print s
|
pascal@20458
|
625 }
|
pascal@20630
|
626 else if (hold == 8) {
|
pascal@20630
|
627 if ($1 == "je" || $1 == "jne") { p=$0; hold=9; next }
|
pascal@20630
|
628 hold=0
|
pascal@20630
|
629 print s
|
pascal@20630
|
630 }
|
pascal@20630
|
631 else if (hold == 9) {
|
pascal@20630
|
632 hold=0; split($2,args,",")
|
pascal@20630
|
633 if (/^ mov ax,/ && args[2] == regs[1]) {
|
pascal@20630
|
634 print; print " or ax,ax"; print p; next
|
pascal@20630
|
635 }
|
pascal@20630
|
636 print s; print p;
|
pascal@20630
|
637 }
|
pascal@20630
|
638 else if (hold == 10) {
|
pascal@20751
|
639 split($2,args,","); op=""
|
pascal@20751
|
640 if ($1 == "add") op="+"
|
pascal@20751
|
641 if ($1 == "sub") op="-"
|
pascal@20751
|
642 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
643 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20751
|
644 if (op != "" && isnum(args[2])) {
|
pascal@20751
|
645 split(line[0],reg,",")
|
pascal@20751
|
646 if (substr(reg[1],length(reg[1])-1,2) == args[1]) {
|
pascal@20751
|
647 line[0] = substr(line[0],1,length(line[0])-1) op args[2] "]"
|
pascal@20751
|
648 next
|
pascal@20751
|
649 }
|
pascal@20751
|
650 }
|
pascal@20630
|
651 hold=0
|
pascal@20630
|
652 if (/^ mov [sd]i,ax$/) {
|
pascal@20630
|
653 split($2,args,",")
|
pascal@20630
|
654 for (i = 0; i < kept; i++) {
|
pascal@20630
|
655 sub(/ax/,args[1],line[i]); print line[i]
|
pascal@20630
|
656 }
|
pascal@20630
|
657 next
|
pascal@20630
|
658 }
|
pascal@20630
|
659 for (i = 0; i < kept; i++) print line[i]
|
pascal@20630
|
660 }
|
pascal@20634
|
661 else if (hold == 11) {
|
pascal@20634
|
662 if (/^ inc ax$/ || /^ dec ax$/) {
|
pascal@20634
|
663 line[kept++]=$0; next
|
pascal@20634
|
664 }
|
pascal@20634
|
665 split($2,args,",")
|
pascal@20634
|
666 if (/^ mov cl,/) {
|
pascal@20634
|
667 split($2,args,",")
|
pascal@20634
|
668 if (args[2] >= 8) {
|
pascal@20634
|
669 line[kept++]=$0; next
|
pascal@20634
|
670 }
|
pascal@20634
|
671 }
|
pascal@20634
|
672 if (!/^ shl ax,/ || (args[2] != "cl" && args[2] < 8)) {
|
pascal@20634
|
673 print " cbw "
|
pascal@20634
|
674 }
|
pascal@20634
|
675 for (i = 0; i < kept; i++) print line[i]
|
pascal@20634
|
676 hold=kept=0
|
pascal@20634
|
677 }
|
pascal@20634
|
678 else if (hold == 12) {
|
pascal@20634
|
679 hold=0
|
pascal@20634
|
680 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
681 print " inc " regs[1]
|
pascal@20634
|
682 print " inc " regs[1]
|
pascal@20634
|
683 }
|
pascal@20634
|
684 else print " add " regs[1] ",2"
|
pascal@20634
|
685 }
|
pascal@20634
|
686 else if (hold == 13) {
|
pascal@20634
|
687 hold=0
|
pascal@20634
|
688 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
689 print " dec " regs[1]
|
pascal@20634
|
690 print " dec " regs[1]
|
pascal@20634
|
691 }
|
pascal@20634
|
692 else print " sub " regs[1] ",2"
|
pascal@20634
|
693 }
|
pascal@21569
|
694 else if (hold == 14) {
|
pascal@21569
|
695 if (/^ push ax$/) { hold++; next; }
|
pascal@21569
|
696 print " push dx";
|
pascal@21569
|
697 hold=0;
|
pascal@21569
|
698 }
|
pascal@21569
|
699 else if (hold == 15) {
|
pascal@21569
|
700 if (/^ pop eax$/) { hold++; next; }
|
pascal@21569
|
701 print " push dx";
|
pascal@21569
|
702 print " push ax";
|
pascal@21569
|
703 hold=0;
|
pascal@21569
|
704 }
|
pascal@21569
|
705 else if (hold == 16) {
|
pascal@21569
|
706 hold=0;
|
pascal@21569
|
707 if (/^ shr eax,16$/) { print " xchg ax,dx"; next; }
|
pascal@21569
|
708 print " push dx";
|
pascal@21569
|
709 print " push ax";
|
pascal@21569
|
710 print " pop eax";
|
pascal@21569
|
711 }
|
pascal@21569
|
712 else if (hold == 17) {
|
pascal@21569
|
713 hold=0;
|
pascal@21569
|
714 if (/^ cmp ax,-1$/) { print " inc ax"; next; }
|
pascal@21569
|
715 }
|
pascal@21576
|
716 if (/^ call near ptr @fileexist\$/ || # return boolean :
|
pascal@21576
|
717 /^ call near ptr @isoreaddir\$/ || # 0=true, -1=false
|
pascal@21628
|
718 /^ call near ptr @isoreset\$/ ||
|
pascal@21628
|
719 /^ call near ptr @isoopen\$/ ||
|
pascal@21628
|
720 /^ call near ptr @isoreadsector\$/ ||
|
pascal@21628
|
721 /^ call near ptr @strhead\$/ ||
|
pascal@21576
|
722 /^ call near ptr @argstr\$/ ||
|
pascal@21576
|
723 /^ call near ptr @argnum\$/) { print; hold=17; next; }
|
pascal@20458
|
724 s=$0
|
pascal@20458
|
725 # These optimisation may break ZF or CF
|
pascal@20485
|
726 if (/^ sub sp,2$/) { print " push ax"; next }
|
pascal@20485
|
727 if (/^ sub sp,4$/) { print " push ax"; print " push ax"; next }
|
pascal@20485
|
728 if (/^ add sp,4$/) { print " pop cx"; print " pop cx"; next }
|
pascal@20458
|
729 if (/^ mov d*word ptr .*,0$/ || /^ mov dword ptr .*,large 0$/) {
|
pascal@20458
|
730 sub(/mov/,"and",s); print s; next # slower
|
pascal@20458
|
731 }
|
pascal@20458
|
732 if (/^ mov d*word ptr .*,-1$/ || /^ mov dword ptr .*,large -1$/) {
|
pascal@20458
|
733 sub(/mov/,"or",s); print s; next # slower
|
pascal@20458
|
734 }
|
pascal@20458
|
735 if (/^ or .*,0$/ || /^ and .*,-1$/) next
|
pascal@20458
|
736 if (/^ or [abcd]x,/) {
|
pascal@20458
|
737 split($2,args,",")
|
pascal@20458
|
738 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
739 print " or " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
740 }
|
pascal@20458
|
741 }
|
pascal@20458
|
742 if (/^ and [abcd]x,/) {
|
pascal@20458
|
743 split($2,args,",")
|
pascal@20459
|
744 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
745 print " and " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
746 }
|
pascal@20458
|
747 }
|
pascal@20458
|
748 if (/^ or e[abcd]x,/) {
|
pascal@20458
|
749 split($2,args,",")
|
pascal@20458
|
750 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
751 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
752 print " or " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
753 }
|
pascal@20458
|
754 }
|
pascal@20458
|
755 if (/^ and e[abcd]x,/) {
|
pascal@20458
|
756 split($2,args,",")
|
pascal@20458
|
757 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
758 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
759 print " and " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
760 }
|
pascal@20458
|
761 }
|
pascal@20458
|
762 if (/^ or e[abcds][ix],/) {
|
pascal@20458
|
763 split($2,args,",")
|
pascal@20458
|
764 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
765 if (isnum(args[2]) && args[2] >= 0 && args[2] < 65536) {
|
pascal@20458
|
766 print " or " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
767 }
|
pascal@20458
|
768 }
|
pascal@20458
|
769 if (/^ and e[abcds][ix],/) {
|
pascal@20458
|
770 split($2,args,",")
|
pascal@20458
|
771 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
772 if (isnum(args[2]) && args[2] >= -65536 && args[2] < 0) {
|
pascal@20458
|
773 print " and " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
774 }
|
pascal@20458
|
775 }
|
pascal@20543
|
776 if (/^ add word ptr/ || /^ sub word ptr/ ||
|
pascal@20544
|
777 /^ add [bcd]x,/ || /^ sub [bcd]x,/) {
|
pascal@20542
|
778 split($0,args,",")
|
pascal@20542
|
779 if (isnum(args[2]) && (args[2] % 256 == 0)) {
|
pascal@20544
|
780 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
781 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20542
|
782 print s "/256"; next
|
pascal@20542
|
783 }
|
pascal@20542
|
784 }
|
pascal@20546
|
785 if (/^ add dword ptr/ || /^ sub dword ptr/) {
|
pascal@20458
|
786 split($0,args,",")
|
pascal@20543
|
787 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
788 if (isnum(args[2])) {
|
pascal@20546
|
789 if (args[2] % 16777216 == 0) {
|
pascal@20546
|
790 sub(/dword/,"byte",s)
|
pascal@20543
|
791 sub(/\],/,"+3],",s) || sub(/,/,"+3,",s)
|
pascal@20458
|
792 print s "/16777216"; next
|
pascal@20458
|
793 }
|
pascal@20458
|
794 if (args[2] % 65536 == 0) {
|
pascal@20546
|
795 sub(/dword/,"word",s)
|
pascal@20543
|
796 sub(/\],/,"+2],",s) || sub(/,/,"+2,",s)
|
pascal@20458
|
797 print s "/65536"; next
|
pascal@20458
|
798 }
|
pascal@20458
|
799 }
|
pascal@20458
|
800 }
|
pascal@20458
|
801 if (/^ mov e.x,/) {
|
pascal@20458
|
802 split($2,args,",")
|
pascal@20458
|
803 r=args[1]
|
pascal@20458
|
804 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
805 if (isnum(args[2]) && args[2] % 65536 == args[2]) {
|
pascal@20458
|
806 if (args[2] % 256 == args[2] || args[2] % 256 == 0) {
|
pascal@20458
|
807 print " xor " r "," r
|
pascal@20458
|
808 if (args[2] == 0) next
|
pascal@20458
|
809 x=" mov " substr(r,2,1)
|
pascal@20458
|
810 if (args[2] % 256 == 0) {
|
pascal@20458
|
811 print x "h," args[2] "/256"
|
pascal@20458
|
812 }
|
pascal@20458
|
813 else { print x "l," args[2] }
|
pascal@20458
|
814 next
|
pascal@20458
|
815 }
|
pascal@20458
|
816 }
|
pascal@20458
|
817 }
|
pascal@21576
|
818 if (afterjmp) print ";" $0
|
pascal@21576
|
819 else print
|
pascal@21754
|
820 if (/^ jmp / || /^ call near ptr _boot_kernel/ ||
|
pascal@21754
|
821 /^ call near ptr @die$qpxzc/) afterjmp=1
|
pascal@20458
|
822 }
|