rev |
line source |
pascal@24019
|
1 BEGIN { hold=0; is386=0; isload=0; isiso=0; istazboot=0; wascall=0; ishimem=0; label="none"; xlabel=""; file=""; retc="returnCz:\n" }
|
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 == "linld.cpp") {
|
pascal@24013
|
12 if (/\[si/ || /si,/ || /,si/) sub(/si/,"di")
|
pascal@24013
|
13 else if (/\[di/ || /di,/ || /,di/) sub(/di/,"si")
|
pascal@21984
|
14 if (/add di,2/) $0=" scasw ; " $0
|
pascal@24013
|
15 if (/bx,di/ || /\[bp-2\]/) next
|
pascal@24013
|
16 sub(/\[bx\],0/,"[di],0")
|
pascal@21984
|
17 if (islinld==1) {
|
pascal@24013
|
18 if (/,word.*/) islinld=0
|
pascal@21984
|
19 print "; " $0
|
pascal@24013
|
20 next
|
pascal@21984
|
21 }
|
pascal@21984
|
22 if (/^_main proc/) islinld=1
|
pascal@21984
|
23 if (/image\|initrd/) islinld=3
|
pascal@24013
|
24 if (islinld==3 && /bx,word ptr/) { print "; " $0; next }
|
pascal@21984
|
25 if (/fileexist\$qpxzc/) islinld=4
|
pascal@21984
|
26 if (islinld==4) {
|
pascal@23993
|
27 if (/ax,-1/) {
|
pascal@23993
|
28 print " inc ax"
|
pascal@24013
|
29 print " mov ax,word ptr [di]"
|
pascal@23993
|
30 next
|
pascal@23993
|
31 }
|
pascal@23993
|
32 if (/ax,word ptr/) next
|
pascal@21984
|
33 }
|
pascal@23992
|
34 if (/buf_cmdline\+1/) {
|
pascal@23992
|
35 islinld=5
|
pascal@23996
|
36 print " mov bx,offset DGROUP:_buf_cmdline+1"
|
pascal@23996
|
37 sub(/offset DGROUP:_buf_cmdline\+1/,"bx")
|
pascal@23992
|
38 }
|
pascal@23804
|
39 if (islinld==5) {
|
pascal@23996
|
40 if (/bx,offset DGROUP:_buf_cmdline/) $0=" dec bx"
|
pascal@23993
|
41 if (/ax,word ptr/) next
|
pascal@23992
|
42 if (/call/) islinld=0
|
pascal@23804
|
43 }
|
pascal@23996
|
44 if (/bx,word ptr DGROUP:_cmdstr\+6/) next
|
pascal@23996
|
45 if (/_cmdstr\+6,0/) {
|
pascal@24013
|
46 print " mov bx,word ptr [si+6]"
|
pascal@23996
|
47 $0=" or bx,bx"
|
pascal@23996
|
48 }
|
pascal@21984
|
49 } # file == "linld.cpp"
|
pascal@21791
|
50 if (file == "himem.cpp") {
|
pascal@24019
|
51 if (/sp,bp/ || /pop bp/ || /enter/ || /leave/) next
|
pascal@21984
|
52 if (/void load_image/) ishimem=1
|
pascal@21791
|
53 if (ishimem == 1 && is386 == 0) {
|
pascal@21791
|
54 if (/si\+8\]$/ || /si\+4\]$/ || /si\+16\]$/) next
|
pascal@21791
|
55 if (/si\+6\]$/ || /si\+2\]$/ || /si\+14\]$/) sub(/mov dx,/,"les dx,d")
|
pascal@24013
|
56 if (/si\+12\],ax/ || /si\+16\],ax/ || /di\+2\],ax/ || /DGROUP:_himem_buf\+2,ax/) sub(/,ax/,",es")
|
pascal@23996
|
57 if (/dx,dword ptr \[si\+14\]/ || /DGROUP:_himem_buf,dx/) sub(/dx/,"ax")
|
pascal@21984
|
58 }
|
pascal@21984
|
59 if (ishimem == 1) {
|
pascal@21984
|
60 if (/do \{/) ishimem=2
|
pascal@23991
|
61 if (/bx,si/ || /push bp/ || /bp,sp/ || /push di/ || /push si/) next
|
pascal@23996
|
62 if (/sp,2/ || /bp\+4/) next
|
pascal@21984
|
63 }
|
pascal@21984
|
64 if (ishimem == 2) {
|
pascal@21984
|
65 if (/movzx/) print " cwde"
|
pascal@23996
|
66 if (/bp-2/ || /di,ax/ || /bx,di/ || /bx,si/) next
|
pascal@21984
|
67 if (/storepage.bufv/) {
|
pascal@21984
|
68 print " inc ax"
|
pascal@21984
|
69 print " push ax"
|
pascal@21984
|
70 }
|
pascal@21984
|
71 if (/buf \+= size;/) {
|
pascal@21984
|
72 print " pop ax"
|
pascal@21984
|
73 }
|
pascal@23996
|
74 if (/i\+12/) ishimem=20
|
pascal@23996
|
75 }
|
pascal@23996
|
76 if (ishimem == 20) {
|
pascal@24013
|
77 if (/loadfail/) next
|
pascal@23996
|
78 if (/je/) {
|
pascal@23996
|
79 print " extrn jmploadfailure"
|
pascal@23996
|
80 $0=" jne short jmploadfailure"
|
pascal@23996
|
81 }
|
pascal@23989
|
82 if (/endp/) ishimem=0
|
pascal@21791
|
83 }
|
pascal@23992
|
84 if (/@memcpy_image\$qp11image_himem/) next
|
pascal@24013
|
85 if (/far last_ditch/) ishimem=3
|
pascal@23992
|
86 if (ishimem == 3) {
|
pascal@23996
|
87 sub(/DGROUP:_imgs\+4,/,"[si+4],")
|
pascal@24013
|
88 if (/bx,di/ || /di,ax/) next
|
pascal@23992
|
89 }
|
pascal@21791
|
90 } # file == "himem.cpp"
|
pascal@21791
|
91 if (file == "load.cpp") {
|
pascal@23996
|
92 if (isload != 3 && isload != 6) { # LOAD.LST
|
pascal@23996
|
93 if (/,si/ || /si,/ || /\[si/) sub(/si/,"di")
|
pascal@23996
|
94 else if (/,di/ || /di,/ || /\[di/) sub(/di/,"si")
|
pascal@23996
|
95 }
|
pascal@23996
|
96 if (/moverm\(/) isload=16
|
pascal@23996
|
97 if (isload != 16 && /bx,si/) next
|
pascal@23996
|
98 if (/@moverm/) isload=0
|
pascal@23992
|
99 if (/readrm\(m, 0x200/) isload=15
|
pascal@23992
|
100 if (isload == 15) { # LOAD.LST
|
pascal@23996
|
101 if (/bx,si/) next
|
pascal@23992
|
102 if (/call/) isload=0
|
pascal@23992
|
103 }
|
pascal@23989
|
104 if (/load_image\(/) {
|
pascal@23989
|
105 if (isload == 3) isload=13
|
pascal@23989
|
106 else isload=14
|
pascal@23989
|
107 }
|
pascal@23989
|
108 if (isload == 14) { # LOAD.LST
|
pascal@23996
|
109 if (/call/) $0=" jmp short load_imagez"
|
pascal@23989
|
110 if (/ret/) isload=0
|
pascal@23989
|
111 if (/pop/ || /ret/ || /push/) next
|
pascal@23989
|
112 }
|
pascal@23989
|
113 if (isload == 13) { # LOAD.LST
|
pascal@23991
|
114 if (/pop/) isload=3
|
pascal@23991
|
115 if (/push/ || /call/ || /pop/) next
|
pascal@23989
|
116 }
|
pascal@22152
|
117 if (/i\+21\],513$/) isload=11
|
pascal@21984
|
118 if (isload == 12) { # LOAD.LST
|
pascal@21984
|
119 if (/cmp/) next
|
pascal@21984
|
120 if (/jb/) isload=0
|
pascal@21984
|
121 sub(/jb/,"jcxz")
|
pascal@21984
|
122 }
|
pascal@21984
|
123 if (isload == 11) { # LOAD.LST
|
pascal@21984
|
124 if (/cmp/) {
|
pascal@21984
|
125 print " mov cx,513"
|
pascal@22152
|
126 sub(/cmp /,"sub cx,")
|
pascal@22152
|
127 sub(/,513/,"")
|
pascal@21984
|
128 }
|
pascal@21984
|
129 if (/jb/) isload=12
|
pascal@21984
|
130 sub(/jb/,"ja")
|
pascal@21984
|
131 }
|
pascal@22170
|
132 sub(/_imgs\+65534/,"_imgs-2")
|
pascal@21791
|
133 if (/setup_sects == 0/) isload=9
|
pascal@21791
|
134 if (isload == 9) { # LOAD.LST
|
pascal@23999
|
135 sub(/,0/,",al ; worst case 2k boundary (iso)")
|
pascal@21791
|
136 if (/jne/) isload=0
|
pascal@21791
|
137 }
|
pascal@21757
|
138 if (/cmd_line_ptr =/ && is386 == 0) isload=7
|
pascal@21757
|
139 if (isload == 7) { # LOAD.LST
|
pascal@22181
|
140 if (/add/ || /xor/ || /extrn/ || /N_LXLSH@/ || /cl,4/ || /,ax/) next
|
pascal@22170
|
141 if (/enable A20 if needed/) { print nextinst; isload=0 }
|
pascal@22152
|
142 if (/i-463/) $0=" mov bx,-463"
|
pascal@22170
|
143 if (/i-465/) {
|
pascal@22170
|
144 sub(/465/,"2"); sub(/\[/,"[bx+")
|
pascal@22170
|
145 nextinst=$0; sub(/-2\],-23745/,"],8000h",nextinst)
|
pascal@22170
|
146 }
|
pascal@21757
|
147 if (/,dx/) {
|
pascal@21757
|
148 print " mov cl,12"
|
pascal@21757
|
149 print " shr ax,cl"
|
pascal@22181
|
150 print " mov bx,55"
|
pascal@21757
|
151 sub(/dx/,"ax")
|
pascal@21757
|
152 }
|
pascal@21757
|
153 }
|
pascal@23992
|
154 if (/pm_low == 0/) {
|
pascal@23991
|
155 print " push di"
|
pascal@23996
|
156 print " push si"
|
pascal@23991
|
157 isload=6
|
pascal@23991
|
158 }
|
pascal@21757
|
159 if (isload == 6) { # LOAD.LST
|
pascal@23991
|
160 if (/si\+2/) {
|
pascal@23991
|
161 print " cmpsw"
|
pascal@23991
|
162 next
|
pascal@23991
|
163 }
|
pascal@23989
|
164 if (/les/) sub(/bx,/,"di,")
|
pascal@23991
|
165 if (/bx\+4/ || /es:/ || /call/ || /pop/ || /ret/) next
|
pascal@23989
|
166 if (/si\+6/) {
|
pascal@23989
|
167 print " movsw"
|
pascal@23989
|
168 print " movsw"
|
pascal@23989
|
169 print " movsw"
|
pascal@23989
|
170 print " movsw"
|
pascal@23996
|
171 print " pop si"
|
pascal@23991
|
172 print "load_imagez:"
|
pascal@21757
|
173 next
|
pascal@21757
|
174 }
|
pascal@21757
|
175 }
|
pascal@21757
|
176 if (isload == 5) { # LOAD.LST
|
pascal@21757
|
177 sub(/ax,/,"bx,")
|
pascal@23996
|
178 if (/@puts\$qpxzc/) isload=0
|
pascal@21757
|
179 if (/mov bx,ax/) next
|
pascal@23996
|
180 sub(/,word ptr \[di\+29\]/,",cx")
|
pascal@21757
|
181 }
|
pascal@23996
|
182 if (/_cmdnum\+14/ && is386 == 0) isload=4
|
pascal@22180
|
183 if (isload == 4) { # LOAD.LST
|
pascal@23996
|
184 if (/_cmdnum\+14/) next
|
pascal@23996
|
185 if (/_cmdnum\+12$/) {
|
pascal@23996
|
186 $0=" les dx,dword ptr [bx+12]"
|
pascal@21757
|
187 }
|
pascal@21791
|
188 sub(/,ax/,",es")
|
pascal@22181
|
189 if (/add ax,word ptr/) $0=" add ax,cx"
|
pascal@22181
|
190 if (/i\+29\],0/) {
|
pascal@22181
|
191 sub(/,0$/,"")
|
pascal@22181
|
192 sub(/cmp /,"mov cx,")
|
pascal@22181
|
193 }
|
pascal@22181
|
194 sub(/je/,"jcxz")
|
pascal@23996
|
195 if (/@strcpy/) isload=0
|
pascal@23992
|
196 if (/\+0x200/) isload=5
|
pascal@21757
|
197 }
|
pascal@23996
|
198 if (/void load_initrd\(\)/) { isload=3; isload2=0 }
|
pascal@21754
|
199 if (isload == 3) { # LOAD.LST
|
pascal@24015
|
200 if (/bx,offset DGROUP:_imgs\+28/ || /push si/) next
|
pascal@24015
|
201 if (/si,offset DGROUP:_imgs\+28/) print " push si"
|
pascal@23996
|
202 if (/cmdstr\+4,0/) {
|
pascal@23996
|
203 isload2++
|
pascal@23996
|
204 print " mov ax,word ptr DGROUP:_cmdstr+4"
|
pascal@23996
|
205 $0=" or ax,ax"
|
pascal@23996
|
206 }
|
pascal@23996
|
207 if (isload2 && /DGROUP:_cmdstr\+4/) $0=";" $0
|
pascal@23994
|
208 if (/je short @2@.*/) sub(/@2@.*/,"load_initrd_ret")
|
pascal@23992
|
209 if (/mov ax,word ptr \[si\]/) $0=" lodsw"
|
pascal@23991
|
210 if( /jmp/) {
|
pascal@23991
|
211 print "load_initrd_ret:"
|
pascal@23991
|
212 print " ret"
|
pascal@23991
|
213 next
|
pascal@23991
|
214 }
|
pascal@23996
|
215 if (/@loadfailure/) {
|
pascal@23996
|
216 print " global jmploadfailure:near"
|
pascal@23996
|
217 print "jmploadfailure:"
|
pascal@23996
|
218 }
|
pascal@21754
|
219 sub(/\[di/,"[bx")
|
pascal@23992
|
220 sub(/di,/,"bx,")
|
pascal@21754
|
221 }
|
pascal@23996
|
222 if (/mode = vid_mode/) { isload=2; print " mov bx,offset _cmdnum" }
|
pascal@21750
|
223 if (isload == 2) { # LOAD.LST
|
pascal@23996
|
224 if (/DGROUP:_cmdnum/) { sub(/DGROUP:_cmdnum/,"[bx"); $0=$0 "]"}
|
pascal@21750
|
225 sub(/,0/,""); sub(/cmp /,"mov cx,")
|
pascal@21750
|
226 sub(/je/,"jcxz")
|
pascal@21750
|
227 if (/ax,word/) next
|
pascal@21750
|
228 sub(/,ax/,",cx")
|
pascal@23992
|
229 if (/starting linux 1\.3\.73/) isload=0
|
pascal@21750
|
230 }
|
pascal@23996
|
231 if (/_rm_size=0x200/ || /heap_top = _rm_buf/) isload=1
|
pascal@21750
|
232 if (isload == 1) { # LOAD.LST
|
pascal@21791
|
233 if (/ptr .die\$qpxzc/) $0="@die@:\n" $0
|
pascal@21729
|
234 if (/mov al,byte ptr/ && is386) {
|
pascal@22152
|
235 sub(/mov al/,"movzx eax")
|
pascal@21729
|
236 }
|
pascal@21791
|
237 if (is386 == 0) {
|
pascal@23999
|
238 if (/m->size -= _rm_size/) print " cwd ; do not trust rewind result (iso case)"
|
pascal@21791
|
239 sub(/,0$/,",dx")
|
pascal@21791
|
240 }
|
pascal@21729
|
241 if (/ax,word ptr/) next
|
pascal@21729
|
242 if (/^ call/) isload=0
|
pascal@21729
|
243 }
|
pascal@21791
|
244 } # file == "load.cpp"
|
pascal@21791
|
245 if (file == "iso9660.cpp") {
|
pascal@24019
|
246 if (/ptr \[si\+8\],/) { si="si"; di="di" }
|
pascal@24019
|
247 if (/ptr \[di\+8\],/) { si="di"; di="si" }
|
pascal@24019
|
248 if (/leave/ || /enter/) next
|
pascal@24019
|
249 if (/ptr \[.i\+10\],dx/) next
|
pascal@24019
|
250 if (/ptr \[.i\+8\],ax/) next
|
pascal@24019
|
251 if (/ptr \[.i\+8\],eax/) next
|
pascal@24019
|
252 if (/cx,word ptr \[.i\+32\]/) next
|
pascal@24019
|
253 if (/add word ptr \[.i\],ax/) sub(/ax/,"cx")
|
pascal@23996
|
254 if (/ax,word ptr \[si\+24\]/) sub(/mov ax,/,"les ax,d")
|
pascal@23996
|
255 if (/ax,word ptr \[si\+26\]/) next
|
pascal@23996
|
256 if (/word ptr \[si\+29\],ax/) sub(/ax/,"es")
|
pascal@23996
|
257 if (/\[si\],-1/) $0=" not word ptr [si]"
|
pascal@23996
|
258 sub(/di,word ptr DGROUP:_isostate\+2/,"di,word ptr [si+2]")
|
pascal@24019
|
259 if (/s = p \+ 1;/ && !/ ;/) isiso=20
|
pascal@24019
|
260 if (isiso == 20) { # ISO9660.LST
|
pascal@24019
|
261 if (/al,byte ptr/) $0=" ;inc ax"
|
pascal@24019
|
262 sub(/\[si-1\]/,"[si]")
|
pascal@24019
|
263 if (/p != .\./) print " inc " di " ; see ;inc ax"
|
pascal@24019
|
264 if (/i],0/) sub(/,0/,",ah")
|
pascal@24019
|
265 if (/filename = s;/) {
|
pascal@24019
|
266 print " stc"
|
pascal@24019
|
267 isiso=0
|
pascal@24019
|
268 }
|
pascal@24019
|
269 }
|
pascal@23996
|
270 if (isiso == 19) { # ISO9660.LST
|
pascal@23996
|
271 if (/short @2@282/) $0=" jc restoreC"
|
pascal@23996
|
272 if (/bp-2/ || /si\+34/ || /ax,dx/ || /cmp ax,-1/) next
|
pascal@23996
|
273 sub(/dx,/,"bx,")
|
pascal@23996
|
274 if (/short @2@282/) sub(/je/,"jnc")
|
pascal@23996
|
275 if (/\[si\+37\],0/) sub(/,0/,",ch")
|
pascal@23996
|
276 if (/@strcmp\$qpxzct1/) {
|
pascal@23996
|
277 print
|
pascal@23996
|
278 print "restoreC:"
|
pascal@23996
|
279 $0=" mov byte ptr [di],cl ; c"
|
pascal@23996
|
280 isiso=1
|
pascal@23996
|
281 }
|
pascal@23996
|
282 }
|
pascal@23996
|
283 if (/ax,-8/) { isiso=18; next }
|
pascal@23996
|
284 if (isiso == 18) { # ISO9660.LST
|
pascal@23996
|
285 if (/ax,ax/) { isiso=0;next }
|
pascal@23996
|
286 sub(/mov/,"sub")
|
pascal@23996
|
287 sub(/,ax/,",8")
|
pascal@23996
|
288 }
|
pascal@23996
|
289 if (isiso == 17) { # ISO9660.LST
|
pascal@23996
|
290 if (/inc di/) $0="; " $0
|
pascal@23996
|
291 if (/_isostate\+205/) {
|
pascal@23996
|
292 print
|
pascal@23996
|
293 $0=" jmp setdirofsnsz"
|
pascal@23996
|
294 }
|
pascal@23996
|
295 else sub(/ax/,"bx")
|
pascal@23996
|
296 if (/si\+24/) isiso=0
|
pascal@23996
|
297 if (/,bx/) next
|
pascal@23996
|
298 if (/isoreadrootsector/) {
|
pascal@23996
|
299 print
|
pascal@23999
|
300 print " xor word ptr [si+39],17475 ; clear C"
|
pascal@23999
|
301 $0=" jne returnNotC"
|
pascal@23996
|
302 }
|
pascal@23996
|
303 }
|
pascal@23996
|
304 if (/cpytodirpage.x->dirpage/) isiso=16
|
pascal@23996
|
305 if (isiso == 16) { # ISO9660.LST
|
pascal@23996
|
306 if (/filesize2dirsize/) {
|
pascal@23996
|
307 print " mov bx,word ptr [si+9]"
|
pascal@23996
|
308 print " mov ax,word ptr [si+13]"
|
pascal@23996
|
309 print "setdirofsnsz:"
|
pascal@23996
|
310 print " mov word ptr [si+26],bx"
|
pascal@23996
|
311 }
|
pascal@23996
|
312 if (/ax,/ || /si\+13/ || /si\+26/) next
|
pascal@23996
|
313 if (/si\+24/) isiso=1
|
pascal@23996
|
314 }
|
pascal@23996
|
315 if (/found:/) isiso=15
|
pascal@23996
|
316 if (isiso != 15 && /si,offset DGROUP:_isostate/) $0=";" $0
|
pascal@23996
|
317 if (isiso == 15) { # ISO9660.LST
|
pascal@23996
|
318 if (/xor/) {
|
pascal@23996
|
319 print "returnNotC:"
|
pascal@23996
|
320 print " cmc"
|
pascal@24019
|
321 print retc "returnC:"
|
pascal@23996
|
322 print " sbb ax,ax"
|
pascal@23996
|
323 print "return:"
|
pascal@23996
|
324 next
|
pascal@23996
|
325 }
|
pascal@23996
|
326 if (/@1@422:/ || /bp$/ || /bp,sp/ || /sp,2/) next
|
pascal@23996
|
327 if (/\[di\],47/) isiso=17
|
pascal@23996
|
328 }
|
pascal@23996
|
329 if (/short @1@142/) { isiso=14; next }
|
pascal@23989
|
330 if (isiso == 14) { # ISO9660.LST
|
pascal@23996
|
331 if (/ax,-1/) next
|
pascal@24019
|
332 if (/jmp/) $0=" jb returnCz"
|
pascal@23989
|
333 }
|
pascal@23988
|
334 if (/p = x->buffer \+ 34/) isiso=13
|
pascal@23988
|
335 if (isiso == 13) { # ISO9660.LST
|
pascal@24019
|
336 if (/i,.i/) $0=" xchg ax,bx"
|
pascal@24019
|
337 if (/i,ax/) $0=" lea " di ",[bx+" si "+72]"
|
pascal@24019
|
338 if (/i,72/ || /word ptr \[.i\+32\]/) next
|
pascal@24019
|
339 if (/register len/) isiso=12
|
pascal@23988
|
340 }
|
pascal@23870
|
341 if (isiso == 12) { # ISO9660.LST
|
pascal@24019
|
342 if (/.i\+2/) sub(/al/,"bl")
|
pascal@23996
|
343 if (/cbw/) next
|
pascal@23996
|
344 sub(/dx,ax/,"bh,0")
|
pascal@23870
|
345 if (/bx,dx/) next
|
pascal@23870
|
346 sub(/i,dx/,"i,bx")
|
pascal@24019
|
347 if (/bx\+.i\],0/) sub(/,0/,",bh")
|
pascal@24019
|
348 if (/jmp/) {
|
pascal@24019
|
349 $0=retc " jmp returnC"
|
pascal@24019
|
350 retc=""
|
pascal@24019
|
351 }
|
pascal@23870
|
352 if (/while/) isiso=0
|
pascal@23870
|
353 }
|
pascal@23863
|
354 if (/curpos >= SECT/) isiso=10
|
pascal@23863
|
355 if (isiso == 10) { # ISO9660.LST
|
pascal@23863
|
356 if (/cmp/) {
|
pascal@23863
|
357 sub(/cmp /,"mov bx,")
|
pascal@23863
|
358 sub(/i.*/,"i]")
|
pascal@23863
|
359 print
|
pascal@23863
|
360 $0=" cmp bh,2048/256"
|
pascal@23863
|
361 }
|
pascal@23863
|
362 if (/mov/) {
|
pascal@23863
|
363 isiso=0
|
pascal@23863
|
364 next
|
pascal@23863
|
365 }
|
pascal@23863
|
366 }
|
pascal@21791
|
367 if (/<< SECTORBITS/) isiso=9
|
pascal@21791
|
368 if (isiso == 9) { # ISO9660.LST
|
pascal@23996
|
369 if (/dx,/) next
|
pascal@21791
|
370 sub(/mov ax,/,"les ax,d")
|
pascal@21791
|
371 if (/^ call/) {
|
pascal@21791
|
372 print " extrn N_LXLSH@ES:near"
|
pascal@21791
|
373 sub(/N_LXLSH@/,"N_LXLSH@ES")
|
pascal@21791
|
374 isiso=0
|
pascal@21791
|
375 }
|
pascal@21791
|
376 }
|
pascal@21791
|
377 if (/filesize =/) isiso=8
|
pascal@21791
|
378 if (isiso == 8) { # ISO9660.LST
|
pascal@21791
|
379 if (/ax,/) next
|
pascal@21791
|
380 sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
381 sub(/,ax/,",es")
|
pascal@21791
|
382 if (/filemod/) isiso=0
|
pascal@21791
|
383 }
|
pascal@21754
|
384 if (/entrysize =/) isiso=5
|
pascal@21754
|
385 if (isiso == 5) { # ISO9660.LST
|
pascal@21754
|
386 if (/ax,ax/) next
|
pascal@24019
|
387 if (/word ptr \[.i\+32\],ax/) next
|
pascal@21754
|
388 sub(/ax/,"cx")
|
pascal@21754
|
389 sub(/je/,"jcxz")
|
pascal@23996
|
390 if (/jcxz/) {
|
pascal@23996
|
391 hold=0
|
pascal@23996
|
392 print s
|
pascal@24019
|
393 sub(/@1@114/,"returnNotC")
|
pascal@23996
|
394 print
|
pascal@24019
|
395 if (is386) $0=" mov dword ptr [" si "+8],eax"
|
pascal@24019
|
396 else {
|
pascal@24019
|
397 print " mov word ptr [" si "+10],dx"
|
pascal@24019
|
398 $0=" mov word ptr [" si "+8],ax"
|
pascal@24019
|
399 }
|
pascal@23996
|
400 }
|
pascal@21754
|
401 if (/return/) isiso=0
|
pascal@21754
|
402 }
|
pascal@21754
|
403 if (/do s\+\+; while/) isiso=3
|
pascal@23996
|
404 if (isiso == 3) { # ISO9660.LST
|
pascal@21754
|
405 sub(/cmp byte ptr \[.i\]/,"sub al")
|
pascal@21754
|
406 if (/inc /) { r=$2; print; next }
|
pascal@21754
|
407 if (/al,0/) print " mov al,[" r "]"
|
pascal@23996
|
408 if (/al,byte ptr/) next
|
pascal@21754
|
409 if (/byte ptr \[.*\],0/) next
|
pascal@23996
|
410 }
|
pascal@23996
|
411 if (/ptr .isoreaddir/) isiso=1
|
pascal@23996
|
412 if (isiso == 1) { # ISO9660.LST
|
pascal@23996
|
413 if (/n = name;/) {
|
pascal@23996
|
414 isiso=19
|
pascal@23996
|
415 print " xchg ax,cx"
|
pascal@23996
|
416 print " xchg cl,byte ptr [di] ; c"
|
pascal@21791
|
417 }
|
pascal@23996
|
418 if (/short @2@366/) sub(/jne/,"jnc")
|
pascal@23996
|
419 if (/short @2@282/) sub(/je/,"jc")
|
pascal@23996
|
420 if (/short @2@562/) sub(/@2@562/,"returnNotC")
|
pascal@23996
|
421 if (/short @2@534/) { print; $0=" inc cx" }
|
pascal@23996
|
422 if (/ax,word ptr \[si\+4\]/) $0=" xchg ax,bx ; " $0
|
pascal@23996
|
423 if (/\[di\],al/) next
|
pascal@23996
|
424 if (/@2@310/) next
|
pascal@23996
|
425 if (/ax,-1/) next
|
pascal@23996
|
426 if (/inc di/ || /@@0/) next
|
pascal@23996
|
427 if (/@2@142$/) { print " inc di"; sub(/jmp/,"loop") }
|
pascal@21735
|
428 }
|
pascal@23996
|
429 if (/i\+36\]/) next
|
pascal@23999
|
430 sub(/di,offset DGROUP:_isostate/,"di,si")
|
pascal@21791
|
431 } # file == "iso9660.cpp"
|
pascal@21729
|
432 if (wascall) {
|
pascal@21729
|
433 if (rcall != "") {
|
pascal@21729
|
434 if (/,ax$/) print " mov " rcall ",ax"
|
pascal@21729
|
435 else print " xchg ax," rcall
|
pascal@21729
|
436 wascall=0
|
pascal@21729
|
437 }
|
pascal@21729
|
438 else if (/^ mov .i,ax$/) {
|
pascal@21729
|
439 split($2,y,",")
|
pascal@21729
|
440 rcall=y[1]
|
pascal@21729
|
441 next
|
pascal@21729
|
442 }
|
pascal@21729
|
443 else wascall=0
|
pascal@21729
|
444 }
|
pascal@21729
|
445 if (/^ call /) { wascall=1; rcall="" }
|
pascal@20458
|
446 if (hold == 0) {
|
pascal@20458
|
447 s=$0
|
pascal@20534
|
448 if (/^ mov .[ix],bx$/ || /^ mov .[ix],.i$/) {
|
pascal@20543
|
449 r=$2; kept=0
|
pascal@20458
|
450 hold=1; split($2,regs,","); next
|
pascal@20458
|
451 }
|
pascal@21729
|
452 if (/^ inc e?.[ixhl]/ || /^ dec e?.[ixhl]/) {
|
pascal@20458
|
453 hold=2; r=$2; next
|
pascal@20458
|
454 }
|
pascal@20458
|
455 if (/^ mov [abcds][ix],/ && ! /,.s/) {
|
pascal@20458
|
456 hold=3; split($2,regs,","); next
|
pascal@20458
|
457 }
|
pascal@20458
|
458 if (/^ movzx eax,ax$/) { hold=4; next }
|
pascal@20544
|
459 if (/^ cmp word ptr/ || /^ cmp [bcd]x,/) {
|
pascal@20543
|
460 split($0,regs,",")
|
pascal@20543
|
461 if (isnum(regs[2]) && regs[2] != 0 &&
|
pascal@20543
|
462 (regs[2] % 256) == 0) {
|
pascal@20549
|
463 hold=5; next
|
pascal@20543
|
464 }
|
pascal@20543
|
465 }
|
pascal@20630
|
466 if (/^ mov ax,cs$/) { hold=6; kept=0; next }
|
pascal@20630
|
467 if (/^ mov cl,4$/) { hold=7; next }
|
pascal@20630
|
468 if (/^ cmp word ptr DGROUP:.*,0$/) {
|
pascal@20630
|
469 hold=8; split($2,regs,","); next
|
pascal@20630
|
470 }
|
pascal@20634
|
471 if (/^ cbw/) { hold=11; kept=0; next }
|
pascal@20634
|
472 if (/^ add [abcds][ix],2$/) {
|
pascal@20634
|
473 split($2,regs,","); hold=12; next
|
pascal@20634
|
474 }
|
pascal@20634
|
475 if (/^ sub [abcds][ix],2$/) {
|
pascal@20634
|
476 split($2,regs,","); hold=13; next
|
pascal@20634
|
477 }
|
pascal@21569
|
478 if (/^ push dx$/) {
|
pascal@21569
|
479 hold=14; next;
|
pascal@21569
|
480 }
|
pascal@20458
|
481 }
|
pascal@20458
|
482 else if (hold == 1) {
|
pascal@20543
|
483 if (/^ ;/) { line[kept++]=$0; next }
|
pascal@20458
|
484 hold=0; split($2,args,","); op=""
|
pascal@20458
|
485 if ($1 == "add") op="+"
|
pascal@20458
|
486 if ($1 == "sub") op="-"
|
pascal@20751
|
487 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
488 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20543
|
489 if (op != "" && regs[1] == args[1]) {
|
pascal@20543
|
490 if (isnum(args[2])) {
|
pascal@20630
|
491 for (i = kept++; i > 0; i--) line[i] = line[i-1]
|
pascal@20630
|
492 line[0] = "\tlea\t" regs[1] ",[" regs[2] op args[2] "]"
|
pascal@22288
|
493 sub(/\+-/,"-",line[0])
|
pascal@20630
|
494 hold=10; next
|
pascal@20543
|
495 }
|
pascal@20543
|
496 line[kept++]=$0
|
pascal@20543
|
497 hold=1
|
pascal@20458
|
498 next
|
pascal@20458
|
499 }
|
pascal@20520
|
500 if (/^ pop [ds]i/ && regs[2] ~ /^[ds]i$/) {
|
pascal@20520
|
501 print " xchg " r
|
pascal@20520
|
502 }
|
pascal@20543
|
503 else print s
|
pascal@20543
|
504 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20458
|
505 }
|
pascal@20458
|
506 else if (hold == 2) {
|
pascal@21729
|
507 split($0,args,",")
|
pascal@21729
|
508 if (/^ mov / && r == args[2]) { print s; s=$0; next }
|
pascal@21729
|
509 split($2,args,",")
|
pascal@21729
|
510 hold=0; print s
|
pascal@20458
|
511 if ($1 == "or" && r == args[1] && r == args[2]) next # don't clear C ...
|
pascal@20458
|
512 }
|
pascal@20458
|
513 else if (hold == 3) {
|
pascal@20458
|
514 hold=0
|
pascal@21576
|
515 if (/^ call / && regs[2] == "ax") s=" xchg ax," regs[1]
|
pascal@20542
|
516 if (/^ add [abcds][ix],/) {
|
pascal@20458
|
517 split($2,regs2,",")
|
pascal@20458
|
518 if (regs[1] == regs2[1] && (regs2[2] == "offset" || isnum(regs2[2]))) {
|
pascal@20549
|
519 t=$0; sub(/mov/,$1,s); sub(/add/,"mov",t)
|
pascal@20458
|
520 print t; print s; next
|
pascal@20458
|
521 }
|
pascal@20458
|
522 }
|
pascal@20458
|
523 print s
|
pascal@20458
|
524 }
|
pascal@20458
|
525 else if (hold == 4) {
|
pascal@20458
|
526 hold=0
|
pascal@20458
|
527 if (/^ push eax$/) {
|
pascal@20458
|
528 print " push 0"; print " push ax"; next
|
pascal@20458
|
529 } else { print s }
|
pascal@20458
|
530 }
|
pascal@20543
|
531 else if (hold == 5) {
|
pascal@20543
|
532 hold=0
|
pascal@20543
|
533 if ($1 == "jae" || $1 == "jb") {
|
pascal@20544
|
534 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
535 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20543
|
536 s = s "/256"
|
pascal@20543
|
537 }
|
pascal@20543
|
538 print s
|
pascal@20543
|
539 }
|
pascal@20630
|
540 else if (hold == 6) {
|
pascal@20630
|
541 if (($1 == "and" || $1 == "add") && $2 ~ /^ax,/) {
|
pascal@20630
|
542 line[kept++]=$0
|
pascal@20630
|
543 next
|
pascal@20630
|
544 }
|
pascal@20630
|
545 p=$0
|
pascal@20630
|
546 if (/^ movzx eax,ax$/) {
|
pascal@20630
|
547 s=" mov eax,cs"; p=""
|
pascal@20630
|
548 }
|
pascal@20630
|
549 print s
|
pascal@20630
|
550 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20630
|
551 if (p != "") print p
|
pascal@20630
|
552 hold=0; next
|
pascal@20630
|
553 }
|
pascal@20630
|
554 else if (hold == 7) {
|
pascal@20458
|
555 hold=0
|
pascal@20520
|
556 if (/^ call near ptr N_LXURSH@$/) {
|
pascal@20520
|
557 print " extrn N_LXURSH@4:near"
|
pascal@20520
|
558 print " call near ptr N_LXURSH@4"
|
pascal@20520
|
559 next
|
pascal@20520
|
560 }
|
pascal@20528
|
561 if (/^ call near ptr N_LXLSH@$/) {
|
pascal@20528
|
562 print " extrn N_LXLSH@4:near"
|
pascal@20528
|
563 print " call near ptr N_LXLSH@4"
|
pascal@20528
|
564 next
|
pascal@20528
|
565 }
|
pascal@20520
|
566 print s
|
pascal@20458
|
567 }
|
pascal@20630
|
568 else if (hold == 8) {
|
pascal@20630
|
569 if ($1 == "je" || $1 == "jne") { p=$0; hold=9; next }
|
pascal@20630
|
570 hold=0
|
pascal@20630
|
571 print s
|
pascal@20630
|
572 }
|
pascal@20630
|
573 else if (hold == 9) {
|
pascal@20630
|
574 hold=0; split($2,args,",")
|
pascal@20630
|
575 if (/^ mov ax,/ && args[2] == regs[1]) {
|
pascal@20630
|
576 print; print " or ax,ax"; print p; next
|
pascal@20630
|
577 }
|
pascal@20630
|
578 print s; print p;
|
pascal@20630
|
579 }
|
pascal@20630
|
580 else if (hold == 10) {
|
pascal@20751
|
581 split($2,args,","); op=""
|
pascal@20751
|
582 if ($1 == "add") op="+"
|
pascal@20751
|
583 if ($1 == "sub") op="-"
|
pascal@20751
|
584 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
585 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20751
|
586 if (op != "" && isnum(args[2])) {
|
pascal@20751
|
587 split(line[0],reg,",")
|
pascal@20751
|
588 if (substr(reg[1],length(reg[1])-1,2) == args[1]) {
|
pascal@20751
|
589 line[0] = substr(line[0],1,length(line[0])-1) op args[2] "]"
|
pascal@20751
|
590 next
|
pascal@20751
|
591 }
|
pascal@20751
|
592 }
|
pascal@20630
|
593 hold=0
|
pascal@20630
|
594 if (/^ mov [sd]i,ax$/) {
|
pascal@20630
|
595 split($2,args,",")
|
pascal@20630
|
596 for (i = 0; i < kept; i++) {
|
pascal@20630
|
597 sub(/ax/,args[1],line[i]); print line[i]
|
pascal@20630
|
598 }
|
pascal@20630
|
599 next
|
pascal@20630
|
600 }
|
pascal@20630
|
601 for (i = 0; i < kept; i++) print line[i]
|
pascal@20630
|
602 }
|
pascal@20634
|
603 else if (hold == 11) {
|
pascal@20634
|
604 if (/^ inc ax$/ || /^ dec ax$/) {
|
pascal@20634
|
605 line[kept++]=$0; next
|
pascal@20634
|
606 }
|
pascal@20634
|
607 split($2,args,",")
|
pascal@20634
|
608 if (/^ mov cl,/) {
|
pascal@20634
|
609 split($2,args,",")
|
pascal@20634
|
610 if (args[2] >= 8) {
|
pascal@20634
|
611 line[kept++]=$0; next
|
pascal@20634
|
612 }
|
pascal@20634
|
613 }
|
pascal@20634
|
614 if (!/^ shl ax,/ || (args[2] != "cl" && args[2] < 8)) {
|
pascal@20634
|
615 print " cbw "
|
pascal@20634
|
616 }
|
pascal@20634
|
617 for (i = 0; i < kept; i++) print line[i]
|
pascal@20634
|
618 hold=kept=0
|
pascal@20634
|
619 }
|
pascal@20634
|
620 else if (hold == 12) {
|
pascal@20634
|
621 hold=0
|
pascal@20634
|
622 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
623 print " inc " regs[1]
|
pascal@20634
|
624 print " inc " regs[1]
|
pascal@20634
|
625 }
|
pascal@20634
|
626 else print " add " regs[1] ",2"
|
pascal@20634
|
627 }
|
pascal@20634
|
628 else if (hold == 13) {
|
pascal@20634
|
629 hold=0
|
pascal@20634
|
630 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
631 print " dec " regs[1]
|
pascal@20634
|
632 print " dec " regs[1]
|
pascal@20634
|
633 }
|
pascal@20634
|
634 else print " sub " regs[1] ",2"
|
pascal@20634
|
635 }
|
pascal@21569
|
636 else if (hold == 14) {
|
pascal@21569
|
637 if (/^ push ax$/) { hold++; next; }
|
pascal@21569
|
638 print " push dx";
|
pascal@21569
|
639 hold=0;
|
pascal@21569
|
640 }
|
pascal@21569
|
641 else if (hold == 15) {
|
pascal@21569
|
642 if (/^ pop eax$/) { hold++; next; }
|
pascal@21569
|
643 print " push dx";
|
pascal@21569
|
644 print " push ax";
|
pascal@21569
|
645 hold=0;
|
pascal@21569
|
646 }
|
pascal@21569
|
647 else if (hold == 16) {
|
pascal@21569
|
648 hold=0;
|
pascal@21569
|
649 if (/^ shr eax,16$/) { print " xchg ax,dx"; next; }
|
pascal@21569
|
650 print " push dx";
|
pascal@21569
|
651 print " push ax";
|
pascal@21569
|
652 print " pop eax";
|
pascal@21569
|
653 }
|
pascal@21569
|
654 else if (hold == 17) {
|
pascal@21569
|
655 hold=0;
|
pascal@21569
|
656 if (/^ cmp ax,-1$/) { print " inc ax"; next; }
|
pascal@21569
|
657 }
|
pascal@21576
|
658 if (/^ call near ptr @fileexist\$/ || # return boolean :
|
pascal@21576
|
659 /^ call near ptr @isoreaddir\$/ || # 0=true, -1=false
|
pascal@21628
|
660 /^ call near ptr @isoreset\$/ ||
|
pascal@21628
|
661 /^ call near ptr @isoopen\$/ ||
|
pascal@21628
|
662 /^ call near ptr @isoreadsector\$/ ||
|
pascal@21628
|
663 /^ call near ptr @strhead\$/ ||
|
pascal@23984
|
664 /^ call near ptr @strcmp\$/ ||
|
pascal@21576
|
665 /^ call near ptr @argstr\$/ ||
|
pascal@21576
|
666 /^ call near ptr @argnum\$/) { print; hold=17; next; }
|
pascal@20458
|
667 s=$0
|
pascal@20458
|
668 # These optimisation may break ZF or CF
|
pascal@20485
|
669 if (/^ sub sp,2$/) { print " push ax"; next }
|
pascal@20485
|
670 if (/^ sub sp,4$/) { print " push ax"; print " push ax"; next }
|
pascal@20485
|
671 if (/^ add sp,4$/) { print " pop cx"; print " pop cx"; next }
|
pascal@20458
|
672 if (/^ mov d*word ptr .*,0$/ || /^ mov dword ptr .*,large 0$/) {
|
pascal@20458
|
673 sub(/mov/,"and",s); print s; next # slower
|
pascal@20458
|
674 }
|
pascal@20458
|
675 if (/^ mov d*word ptr .*,-1$/ || /^ mov dword ptr .*,large -1$/) {
|
pascal@20458
|
676 sub(/mov/,"or",s); print s; next # slower
|
pascal@20458
|
677 }
|
pascal@20458
|
678 if (/^ or .*,0$/ || /^ and .*,-1$/) next
|
pascal@20458
|
679 if (/^ or [abcd]x,/) {
|
pascal@20458
|
680 split($2,args,",")
|
pascal@20458
|
681 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
682 print " or " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
683 }
|
pascal@20458
|
684 }
|
pascal@20458
|
685 if (/^ and [abcd]x,/) {
|
pascal@20458
|
686 split($2,args,",")
|
pascal@20459
|
687 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
688 print " and " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
689 }
|
pascal@20458
|
690 }
|
pascal@20458
|
691 if (/^ or e[abcd]x,/) {
|
pascal@20458
|
692 split($2,args,",")
|
pascal@20458
|
693 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
694 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
695 print " or " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
696 }
|
pascal@20458
|
697 }
|
pascal@20458
|
698 if (/^ and e[abcd]x,/) {
|
pascal@20458
|
699 split($2,args,",")
|
pascal@20458
|
700 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
701 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
702 print " and " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
703 }
|
pascal@20458
|
704 }
|
pascal@20458
|
705 if (/^ or e[abcds][ix],/) {
|
pascal@20458
|
706 split($2,args,",")
|
pascal@20458
|
707 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
708 if (isnum(args[2]) && args[2] >= 0 && args[2] < 65536) {
|
pascal@20458
|
709 print " or " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
710 }
|
pascal@20458
|
711 }
|
pascal@20458
|
712 if (/^ and e[abcds][ix],/) {
|
pascal@20458
|
713 split($2,args,",")
|
pascal@20458
|
714 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
715 if (isnum(args[2]) && args[2] >= -65536 && args[2] < 0) {
|
pascal@20458
|
716 print " and " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
717 }
|
pascal@20458
|
718 }
|
pascal@20543
|
719 if (/^ add word ptr/ || /^ sub word ptr/ ||
|
pascal@20544
|
720 /^ add [bcd]x,/ || /^ sub [bcd]x,/) {
|
pascal@20542
|
721 split($0,args,",")
|
pascal@20542
|
722 if (isnum(args[2]) && (args[2] % 256 == 0)) {
|
pascal@20544
|
723 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
724 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20542
|
725 print s "/256"; next
|
pascal@20542
|
726 }
|
pascal@20542
|
727 }
|
pascal@20546
|
728 if (/^ add dword ptr/ || /^ sub dword ptr/) {
|
pascal@20458
|
729 split($0,args,",")
|
pascal@20543
|
730 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
731 if (isnum(args[2])) {
|
pascal@20546
|
732 if (args[2] % 16777216 == 0) {
|
pascal@20546
|
733 sub(/dword/,"byte",s)
|
pascal@20543
|
734 sub(/\],/,"+3],",s) || sub(/,/,"+3,",s)
|
pascal@20458
|
735 print s "/16777216"; next
|
pascal@20458
|
736 }
|
pascal@20458
|
737 if (args[2] % 65536 == 0) {
|
pascal@20546
|
738 sub(/dword/,"word",s)
|
pascal@20543
|
739 sub(/\],/,"+2],",s) || sub(/,/,"+2,",s)
|
pascal@20458
|
740 print s "/65536"; next
|
pascal@20458
|
741 }
|
pascal@20458
|
742 }
|
pascal@20458
|
743 }
|
pascal@20458
|
744 if (/^ mov e.x,/) {
|
pascal@20458
|
745 split($2,args,",")
|
pascal@20458
|
746 r=args[1]
|
pascal@20458
|
747 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
748 if (isnum(args[2]) && args[2] % 65536 == args[2]) {
|
pascal@20458
|
749 if (args[2] % 256 == args[2] || args[2] % 256 == 0) {
|
pascal@20458
|
750 print " xor " r "," r
|
pascal@20458
|
751 if (args[2] == 0) next
|
pascal@20458
|
752 x=" mov " substr(r,2,1)
|
pascal@20458
|
753 if (args[2] % 256 == 0) {
|
pascal@20458
|
754 print x "h," args[2] "/256"
|
pascal@20458
|
755 }
|
pascal@20458
|
756 else { print x "l," args[2] }
|
pascal@20458
|
757 next
|
pascal@20458
|
758 }
|
pascal@20458
|
759 }
|
pascal@20458
|
760 }
|
pascal@21576
|
761 if (afterjmp) print ";" $0
|
pascal@21576
|
762 else print
|
pascal@21754
|
763 if (/^ jmp / || /^ call near ptr _boot_kernel/ ||
|
pascal@23992
|
764 /^ call near ptr @die\$qpxzc/ ||
|
pascal@23992
|
765 /^ call near ptr @exit\$qv/) afterjmp=1
|
pascal@20458
|
766 }
|