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="" }
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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@21576
|
6 if (/^@.*:$/ || / endp$/) afterjmp=0
|
pascal@21791
|
7 if (/^ \.386p$/) is386=1
|
pascal@21791
|
8 if (file == "" && /debug S/) { file=$3; gsub(/\"/,"",file) }
|
pascal@21984
|
9 if (/debug S/) print " %PAGESIZE 1000"
|
pascal@21984
|
10 if (file == "tazboot.cpp") {
|
pascal@21984
|
11 if (/add si,2/) $0=" lodsw ; " $0
|
pascal@21984
|
12 if (/add si,4/) { print " lodsw"; $0=" lodsw ; " $0 }
|
pascal@21984
|
13 if (/add di,2/) $0=" scasw ; " $0
|
pascal@21984
|
14 } # file == "tazboot.cpp"
|
pascal@21984
|
15 if (file == "linld.cpp") {
|
pascal@21984
|
16 if (/add si,2/) $0=" lodsw ; " $0
|
pascal@21984
|
17 if (/add di,2/) $0=" scasw ; " $0
|
pascal@21984
|
18 if (/bx,offset DGROUP:s@\+26/) sub(/mov/,";mov")
|
pascal@21984
|
19 if (islinld==1) {
|
pascal@21984
|
20 print "; " $0
|
pascal@21984
|
21 if (!/word ptr/) next
|
pascal@21984
|
22 islinld=0
|
pascal@21984
|
23 sub(/,word.*/,",di ; argv")
|
pascal@21984
|
24 if (/di,di/) { print "; " $0; next }
|
pascal@21984
|
25 }
|
pascal@21984
|
26 if (/^_main proc/) islinld=1
|
pascal@21984
|
27 if (/== 0x662F/) islinld=2
|
pascal@21984
|
28 if (islinld==2) {
|
pascal@21984
|
29 if (/cpuhaslm/) islinld=0
|
pascal@21984
|
30 if (/mov/) { print "; " $0; next }
|
pascal@21984
|
31 }
|
pascal@21984
|
32 if (/image\|initrd/) islinld=3
|
pascal@21984
|
33 if (islinld==3) {
|
pascal@21984
|
34 if (/bx,word ptr/) { islinld=0; print "; " $0; next }
|
pascal@21984
|
35 }
|
pascal@21984
|
36 if (/fileexist\$qpxzc/) islinld=4
|
pascal@21984
|
37 if (islinld==4) {
|
pascal@21984
|
38 if (/ax,-1/) print " mov bx,word ptr [si]"
|
pascal@21984
|
39 if (/ax,word ptr/) $0=" xchg ax,bx"
|
pascal@21984
|
40 if (/\[si\]$/) { islinld=0; print "; " $0; next }
|
pascal@21984
|
41 }
|
pascal@21984
|
42 } # file == "linld.cpp"
|
pascal@21791
|
43 if (file == "himem.cpp") {
|
pascal@21984
|
44 if (/void load_image/) ishimem=1
|
pascal@21791
|
45 if (ishimem == 1 && is386 == 0) {
|
pascal@21791
|
46 if (/si\+8\]$/ || /si\+4\]$/ || /si\+16\]$/) next
|
pascal@21791
|
47 if (/si\+6\]$/ || /si\+2\]$/ || /si\+14\]$/) sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
48 if (/si\+12\],ax/ || /si\+16\],ax/ || /bp-2\],ax/) sub(/,ax/,",es")
|
pascal@21984
|
49 }
|
pascal@21984
|
50 if (ishimem == 1) {
|
pascal@21984
|
51 if (/do \{/) ishimem=2
|
pascal@21984
|
52 if (/byte ptr DGROUP:_vcpi,0/) print " mov bx,si"
|
pascal@21984
|
53 if (/bx,si/) next
|
pascal@21984
|
54 if (/sp,6/) {
|
pascal@21984
|
55 print " push si"
|
pascal@21984
|
56 print " push si"
|
pascal@21984
|
57 next
|
pascal@21984
|
58 }
|
pascal@21984
|
59 }
|
pascal@21984
|
60 if (ishimem == 2) {
|
pascal@21984
|
61 if (/movzx/) print " cwde"
|
pascal@21984
|
62 if (/bp-6/) next
|
pascal@21984
|
63 if (/storepage.bufv/) {
|
pascal@21984
|
64 print " inc ax"
|
pascal@21984
|
65 print " push ax"
|
pascal@21984
|
66 }
|
pascal@21984
|
67 if (/buf \+= size;/) {
|
pascal@21984
|
68 print " pop ax"
|
pascal@21984
|
69 }
|
pascal@21984
|
70 if (/Read error/) ishimem=0
|
pascal@21791
|
71 }
|
pascal@21791
|
72 } # file == "himem.cpp"
|
pascal@21791
|
73 if (file == "load.cpp") {
|
pascal@21984
|
74 if (/word ptr \[si\+21\],513$/) isload=11
|
pascal@21984
|
75 if (isload == 12) { # LOAD.LST
|
pascal@21984
|
76 if (/cmp/) next
|
pascal@21984
|
77 if (/jb/) isload=0
|
pascal@21984
|
78 sub(/jb/,"jcxz")
|
pascal@21984
|
79 }
|
pascal@21984
|
80 if (isload == 11) { # LOAD.LST
|
pascal@21984
|
81 if (/cmp/) {
|
pascal@21984
|
82 print " mov cx,513"
|
pascal@21984
|
83 $0=" sub cx,word ptr [si+21]"
|
pascal@21984
|
84 }
|
pascal@21984
|
85 if (/jb/) isload=12
|
pascal@21984
|
86 sub(/jb/,"ja")
|
pascal@21984
|
87 }
|
pascal@21757
|
88 sub(/DGROUP:_imgs\+65534/,"[di-2]")
|
pascal@21791
|
89 if (/short @1@366$/) isload=10
|
pascal@21791
|
90 if (isload == 10) { # LOAD.LST
|
pascal@21791
|
91 if (/^ je /) next
|
pascal@21791
|
92 if (/ptr @die\$qpxzc/) {
|
pascal@21791
|
93 $0=" jne @die@"
|
pascal@21791
|
94 isload=0
|
pascal@21791
|
95 }
|
pascal@21791
|
96 }
|
pascal@21791
|
97 if (/setup_sects == 0/) isload=9
|
pascal@21791
|
98 if (isload == 9) { # LOAD.LST
|
pascal@21791
|
99 sub(/,0/,",al")
|
pascal@21791
|
100 if (/jne/) isload=0
|
pascal@21791
|
101 }
|
pascal@21784
|
102 if (/fallback\)\[1\] == 0/) isload=8
|
pascal@21784
|
103 if (isload == 8) { # LOAD.LST
|
pascal@21784
|
104 if (/load_image/) isload=0
|
pascal@21784
|
105 else next
|
pascal@21784
|
106 }
|
pascal@21757
|
107 if (/cmd_line_ptr =/ && is386 == 0) isload=7
|
pascal@21757
|
108 if (isload == 7) { # LOAD.LST
|
pascal@21757
|
109 if (/add/ || /xor/ || /extrn/ || /N_LXLSH@/ || /cl,4/) next
|
pascal@21791
|
110 if (/enable A20 if needed/) {
|
pascal@21791
|
111 print " mov word ptr [bx+si],8000h"
|
pascal@21757
|
112 isload=0
|
pascal@21757
|
113 }
|
pascal@21791
|
114 if (/,ax/) $0=" mov bx,55"
|
pascal@21791
|
115 if (/si-463/) $0=" mov bx,-463"
|
pascal@21791
|
116 if (/si-465/) $0=" mov word ptr [bx+si-2],-23745"
|
pascal@21757
|
117 if (/,dx/) {
|
pascal@21757
|
118 print " mov cl,12"
|
pascal@21757
|
119 print " shr ax,cl"
|
pascal@21757
|
120 sub(/dx/,"ax")
|
pascal@21757
|
121 }
|
pascal@21757
|
122 }
|
pascal@21757
|
123 if (/\[0\] = m-\>fallback/) isload=6
|
pascal@21757
|
124 if (isload == 6) { # LOAD.LST
|
pascal@21984
|
125 if (/si\+2/) $0=" lodsw"
|
pascal@21757
|
126 if (/les/) sub(/bx,/,"ax,")
|
pascal@21757
|
127 if (/bx\+4/ || /es:/) {
|
pascal@21757
|
128 if (/bx\+4/) isload=0
|
pascal@21757
|
129 next
|
pascal@21757
|
130 }
|
pascal@21757
|
131 if (/si\+6/) {
|
pascal@21757
|
132 print " xchg ax,di"
|
pascal@21757
|
133 print " movsw"
|
pascal@21757
|
134 print " movsw"
|
pascal@21757
|
135 print " movsw"
|
pascal@21757
|
136 print " movsw"
|
pascal@21757
|
137 print " xchg ax,di"
|
pascal@21757
|
138 next
|
pascal@21757
|
139 }
|
pascal@21757
|
140 }
|
pascal@21757
|
141 if (/version_string = /) isload=5
|
pascal@21757
|
142 if (isload == 5) { # LOAD.LST
|
pascal@21757
|
143 sub(/ax,/,"bx,")
|
pascal@21757
|
144 if (/_version_string,/) isload=0
|
pascal@21757
|
145 if (/mov bx,ax/) next
|
pascal@21757
|
146 }
|
pascal@21757
|
147 if (/topseg\(\)>>12/) isload=4
|
pascal@21757
|
148 if (isload == 4 && is386 == 0) { # LOAD.LST
|
pascal@21757
|
149 if (/push/ || /pop/) next
|
pascal@21757
|
150 if (/ax,cs/) {
|
pascal@21757
|
151 sub(/ax,cs/,"bx,cs")
|
pascal@21757
|
152 }
|
pascal@21757
|
153 if (/dx,dx/) next
|
pascal@21757
|
154 sub(/ax,dx/,"ax,bx")
|
pascal@21784
|
155 if (/call/) {
|
pascal@21784
|
156 print " cmp ax,0fffh"
|
pascal@21784
|
157 print " jae @sys@ok"
|
pascal@21784
|
158 print " mov ax,0fffh"
|
pascal@21784
|
159 print "@sys@ok:"
|
pascal@21784
|
160 isload=400
|
pascal@21784
|
161 }
|
pascal@21757
|
162 }
|
pascal@21791
|
163 if (isload == 400) {
|
pascal@21791
|
164 if (/call/) {
|
pascal@21791
|
165 print " extrn N_LXLSH@4:near"
|
pascal@21791
|
166 sub(/N_LXLSH@/,"N_LXLSH@4")
|
pascal@21791
|
167 }
|
pascal@21757
|
168 sub(/,0/,",dh")
|
pascal@21791
|
169 if (/_base_himem\+2/ || /pop/ || /push/) next
|
pascal@21791
|
170 if (/_base_himem$/) {
|
pascal@21791
|
171 sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
172 isload++
|
pascal@21791
|
173 }
|
pascal@21791
|
174 }
|
pascal@21791
|
175 if (isload == 401) {
|
pascal@21791
|
176 sub(/,ax/,",es")
|
pascal@21791
|
177 if (/load_image/) isload=0
|
pascal@21757
|
178 }
|
pascal@21757
|
179 if (isload == 4 && is386) { # LOAD.LST
|
pascal@21757
|
180 sub(/dx,cs/,"edx,cs")
|
pascal@21757
|
181 sub(/eax/,"edx")
|
pascal@21784
|
182 if (/shl/) {
|
pascal@21784
|
183 print " mov ax,0fffh"
|
pascal@21784
|
184 print " cmp dx,ax"
|
pascal@21784
|
185 print " jae @sys@ok"
|
pascal@21784
|
186 print " xchg ax,dx"
|
pascal@21784
|
187 print "@sys@ok:"
|
pascal@21784
|
188 }
|
pascal@21757
|
189 sub(/ax,9/,"dx,9")
|
pascal@21758
|
190 if (/,0$/) sub(/,0/,",dh")
|
pascal@21757
|
191 if (/movzx/) next
|
pascal@21757
|
192 if (/fallback = base_himem/) { isload=0 }
|
pascal@21757
|
193 }
|
pascal@21754
|
194 if (/void load_initrd\(\)/) isload=3
|
pascal@21754
|
195 if (isload == 3) { # LOAD.LST
|
pascal@21754
|
196 if(/push di/ || /pop di/) next
|
pascal@21754
|
197 sub(/\[di/,"[bx")
|
pascal@21754
|
198 sub(/\di,/,"bx,")
|
pascal@21754
|
199 }
|
pascal@21750
|
200 if (/vid_mode = vid_mode/) isload=2
|
pascal@21750
|
201 if (isload == 2) { # LOAD.LST
|
pascal@21750
|
202 sub(/,0/,""); sub(/cmp /,"mov cx,")
|
pascal@21750
|
203 sub(/je/,"jcxz")
|
pascal@21750
|
204 if (/ax,word/) next
|
pascal@21750
|
205 sub(/,ax/,",cx")
|
pascal@21757
|
206 if (/version_string/ || /starting linux 1\.3\.73/) isload=0
|
pascal@21750
|
207 }
|
pascal@21791
|
208 if (/Not a kernel/ || /_rm_size=0x200/ || /heap_top = _rm_buf/) isload=1
|
pascal@21750
|
209 if (isload == 1) { # LOAD.LST
|
pascal@21791
|
210 if (/ptr .die\$qpxzc/) $0="@die@:\n" $0
|
pascal@21729
|
211 if (/mov al,byte ptr/ && is386) {
|
pascal@21729
|
212 print " movzx eax,byte ptr [si]"
|
pascal@21729
|
213 next
|
pascal@21729
|
214 }
|
pascal@21791
|
215 if (is386 == 0) {
|
pascal@21791
|
216 if (/di-5\],ax/) print " cwd"
|
pascal@21791
|
217 sub(/,0$/,",dx")
|
pascal@21791
|
218 }
|
pascal@21729
|
219 if (/ax,word ptr/) next
|
pascal@21729
|
220 if (/^ call/) isload=0
|
pascal@21729
|
221 }
|
pascal@21791
|
222 } # file == "load.cpp"
|
pascal@21791
|
223 if (file == "iso9660.cpp") {
|
pascal@21791
|
224 if (/<< SECTORBITS/) isiso=9
|
pascal@21791
|
225 if (isiso == 9) { # ISO9660.LST
|
pascal@21791
|
226 if (/dx,/) next
|
pascal@21791
|
227 sub(/mov ax,/,"les ax,d")
|
pascal@21791
|
228 if (/^ call/) {
|
pascal@21791
|
229 print " extrn N_LXLSH@ES:near"
|
pascal@21791
|
230 sub(/N_LXLSH@/,"N_LXLSH@ES")
|
pascal@21791
|
231 isiso=0
|
pascal@21791
|
232 }
|
pascal@21791
|
233 }
|
pascal@21791
|
234 if (/filesize =/) isiso=8
|
pascal@21791
|
235 if (isiso == 8) { # ISO9660.LST
|
pascal@21791
|
236 if (/ax,/) next
|
pascal@21791
|
237 sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
238 sub(/,ax/,",es")
|
pascal@21791
|
239 if (/filemod/) isiso=0
|
pascal@21791
|
240 }
|
pascal@21754
|
241 if (/CD001/) isiso=7
|
pascal@21754
|
242 if (isiso == 7) { # ISO9660.LST
|
pascal@21754
|
243 sub(/mov ax,-1/,"dec ax")
|
pascal@21754
|
244 if (/jmp/) isiso=0
|
pascal@21754
|
245 }
|
pascal@21754
|
246 if (/int len =/) isiso=6
|
pascal@21754
|
247 if (isiso == 6) { # ISO9660.LST
|
pascal@21754
|
248 if (/dx,ax/) next
|
pascal@21754
|
249 sub(/ax/,"dx")
|
pascal@21754
|
250 sub(/cx,di/,"bx,di")
|
pascal@21754
|
251 sub(/cx,dx/,"bx,ax")
|
pascal@21754
|
252 sub(/di,dx/,"di,ax")
|
pascal@21754
|
253 if (/while/) isiso=2
|
pascal@21754
|
254 }
|
pascal@21754
|
255 if (/entrysize =/) isiso=5
|
pascal@21754
|
256 if (isiso == 5) { # ISO9660.LST
|
pascal@21754
|
257 if (/ax,ax/) next
|
pascal@21754
|
258 sub(/ax/,"cx")
|
pascal@21754
|
259 sub(/je/,"jcxz")
|
pascal@21754
|
260 if (/return/) isiso=0
|
pascal@21754
|
261 }
|
pascal@21735
|
262 if (/x->curdirsize == 0xFFFF/) isiso=4
|
pascal@21735
|
263 if (isiso == 4) { # ISO9660.LST
|
pascal@21754
|
264 sub(/DGROUP:_isostate\+18/,"[si+18]")
|
pascal@21754
|
265 sub(/DGROUP:_isostate\+20/,"[si+20]")
|
pascal@21747
|
266 if (/goto restarted/) isiso=0
|
pascal@21735
|
267 }
|
pascal@21791
|
268 } # file == "iso9660.cpp"
|
pascal@21791
|
269 if (file == "iso9660.cpp" || file == "tazboot.cpp") {
|
pascal@21754
|
270 if (/do s\+\+; while/) isiso=3
|
pascal@21801
|
271 if (/for \(p = s; \*s && \*s \!=/) isiso=3 # tazboot/main
|
pascal@21750
|
272 if (isiso == 3) { # ISO9660.LST, TAZBOOT.LST
|
pascal@21754
|
273 sub(/cmp byte ptr \[.i\]/,"sub al")
|
pascal@21754
|
274 if (/mov byte ptr \[bp-5\],al/) $0=" push ax"
|
pascal@21754
|
275 if (/mov al,byte ptr \[bp-5\]/) $0=" pop ax"
|
pascal@21754
|
276 if (/inc /) { r=$2; print; next }
|
pascal@21754
|
277 if (/al,0/) print " mov al,[" r "]"
|
pascal@21754
|
278 if (/al,byte ptr/) sub(/mov/,"xchg")
|
pascal@21754
|
279 if (/byte ptr \[.*\],0/) next
|
pascal@21791
|
280 if (/jmp/) {
|
pascal@21791
|
281 print " mov bx,si"
|
pascal@21791
|
282 $0=" db 0A8h ; test al,xx instead of " $0
|
pascal@21791
|
283 }
|
pascal@21754
|
284 if (/word ptr \[bp-4\]/) next
|
pascal@21754
|
285 if (/\) s\+\+;/ || /\],-1/) isiso=0
|
pascal@21735
|
286 }
|
pascal@21791
|
287 } # file == "iso9660.cpp" || file == "tazboot.cpp"
|
pascal@21791
|
288 if (file == "iso9660.cpp") {
|
pascal@21735
|
289 if (/endname = NULL/) isiso=2
|
pascal@21735
|
290 if (isiso == 2) { # ISO9660.LST
|
pascal@21735
|
291 if (/mov bx,cx/) next
|
pascal@21735
|
292 gsub(/cx/,"bx")
|
pascal@21754
|
293 sub(/DGROUP:_isostate\+35/,"[si+35]")
|
pascal@21735
|
294 }
|
pascal@21735
|
295 if (/const char \*n = name/) isiso=1
|
pascal@21735
|
296 if (isiso == 1) { # ISO9660.LST
|
pascal@21735
|
297 if ((/mov word ptr \[si\+32\],ax/ ) ||
|
pascal@21754
|
298 (/mov ax,word ptr \[si\+2\]/) ||
|
pascal@21735
|
299 (/bx,word ptr \[si\+32\]/) || (/ax,dx/)) next
|
pascal@21729
|
300 if (/dx,/) sub(/dx/,"ax")
|
pascal@21754
|
301 if ((/sub ax,word ptr \[si\+2\]/) ||
|
pascal@21754
|
302 (/\[si\+16\]/) || (/ax,di/)) sub(/ax/,"bx")
|
pascal@21754
|
303 if (/add word ptr \[si\+32\],ax/) $0=" add bx,word ptr [si+16]"
|
pascal@21735
|
304 if (/al,/ || /,al/) sub(/al/,"cl")
|
pascal@21754
|
305 if (/cmp byte ptr \[si\+34\],0/) $0=" or cl,cl"
|
pascal@21735
|
306 if (/jne @@0$/) next
|
pascal@21735
|
307 if (/jmp @3@58$/) $0=" je @3@58"
|
pascal@21754
|
308 sub(/mov ax,-1/,"dec ax")
|
pascal@21754
|
309 }
|
pascal@21791
|
310 } # file == "iso9660.cpp"
|
pascal@21754
|
311 if (/endp/) { xlabel = ""; goto2=0 }
|
pascal@21801
|
312 if (/isoopen\(s\+7\)/ && xlabel == "") goto2=1 # tazboot/bootiso
|
pascal@21801
|
313 if (/_vid_mode,ax/ && xlabel == "") goto2=1 # tazboot/main
|
pascal@21801
|
314 if (/_initrd_name,si/ && xlabel == "") goto2=1 # tazboot/main
|
pascal@21801
|
315 if (/_base_himem\+2,/ && xlabel == "@") goto2=1 # tazboot/bootiso tazboot/main
|
pascal@21801
|
316 if (/DGROUP:_skip_alloc/ && xlabel == "@") goto2=1 # tazboot/bootiso tazboot/main
|
pascal@21754
|
317 if (/puts\(cmdline\)/ && xlabel == "@@") goto2=1
|
pascal@21754
|
318 if (goto2 == 1 && /jmp/) { # TAZBOOT.LST && LINLD.LST
|
pascal@21754
|
319 print $NF xlabel "@:"
|
pascal@21754
|
320 label=$NF
|
pascal@21754
|
321 }
|
pascal@21754
|
322 if (goto2 > 0 && label == $NF) {
|
pascal@21754
|
323 $0=$0 xlabel
|
pascal@21754
|
324 if (goto2++ == 1) xlabel=xlabel "@"
|
pascal@21754
|
325 }
|
pascal@21801
|
326 if (file == "tazboot.cpp" && /close\(x/) isotazboot=16
|
pascal@21801
|
327 if (isotazboot == 160) { # TAZBOOT.LST
|
pascal@21801
|
328 $0="; " $0
|
pascal@21801
|
329 if (/ret/) isotazboot=0
|
pascal@21801
|
330 }
|
pascal@21801
|
331 if (isotazboot == 16) { # TAZBOOT.LST
|
pascal@21801
|
332 if (/@.@/) {
|
pascal@21801
|
333 isotazboot=160
|
pascal@21801
|
334 next
|
pascal@21801
|
335 }
|
pascal@21801
|
336 }
|
pascal@21801
|
337 if (file == "tazboot.cpp" && /jne @@2/) isotazboot=15
|
pascal@21801
|
338 if (isotazboot == 15) { # TAZBOOT.LST
|
pascal@21801
|
339 if (/@.@/) {
|
pascal@21801
|
340 print " pop di"
|
pascal@21801
|
341 print " pop si"
|
pascal@21801
|
342 print " mov sp,bp"
|
pascal@21801
|
343 print " pop bp"
|
pascal@21801
|
344 print " ret"
|
pascal@21801
|
345 next
|
pascal@21801
|
346 }
|
pascal@21801
|
347 if (/skip_alloc/) isotazboot=0
|
pascal@21801
|
348 }
|
pascal@21791
|
349 if (/if\(\*s>=/) isotazboot=14
|
pascal@21791
|
350 if (isotazboot == 14) { # LINLD.LST
|
pascal@21791
|
351 if (/jmp/) {
|
pascal@21791
|
352 $0=" db 0A9h ; test ax,xxxx instead of " $0
|
pascal@21791
|
353 isotazboot=0
|
pascal@21791
|
354 }
|
pascal@21791
|
355 }
|
pascal@21801
|
356 if (file == "tazboot.cpp" && /; s \+= 4/) isotazboot=13 # tazboot/main
|
pascal@21791
|
357 if (isotazboot == 13) { # TAZBOOT.LST
|
pascal@21791
|
358 if (/si,4/) $0=" lea bx,[si+4]"
|
pascal@21791
|
359 if (/bx,si/) next
|
pascal@21791
|
360 if (/DGROUP:_topmem/ || /set_iso/) isotazboot=0
|
pascal@21791
|
361 }
|
pascal@21801
|
362 if (file == "tazboot.cpp" && /case 0x652F:/) isotazboot=12 # tazboot/main
|
pascal@21791
|
363 if (isotazboot == 12) { # TAZBOOT.LST
|
pascal@21791
|
364 sub(/si,word/,"bx,word")
|
pascal@21791
|
365 if (/short/) isotazboot=0
|
pascal@21791
|
366 }
|
pascal@21801
|
367 if (/return load_kernel/) isotazboot=11 # tazboot/isokernel
|
pascal@21791
|
368 if (isotazboot == 11) { # TAZBOOT.LST
|
pascal@21791
|
369 sub(/call/,"jmp")
|
pascal@21791
|
370 if (/ret/ || /pop/) next
|
pascal@21791
|
371 if (/endp/) isotazboot=0
|
pascal@21791
|
372 }
|
pascal@21801
|
373 if (/cmdline=s\+=3/ || /magic \!= 0/ || /&root_dev =/) { isotazboot=10; j="" } # ,tazboot/bootiso,tazboot/main
|
pascal@21754
|
374 if (isotazboot == 10) { # TAZBOOT.LST && LINLD.LST
|
pascal@21754
|
375 if (/je/ || /jne/) { j=$1; next }
|
pascal@21754
|
376 if (/jmp/) {
|
pascal@21754
|
377 if (j=="jne") sub(/jmp/,"je")
|
pascal@21754
|
378 else if (j=="je") sub(/jmp/,"jne")
|
pascal@21754
|
379 isotazboot=0
|
pascal@21754
|
380 }
|
pascal@21754
|
381 }
|
pascal@21801
|
382 if (/static const unsigned long initrddesc = 18L/) isotazboot=9 # tazboot/bootiso
|
pascal@21754
|
383 if (isotazboot == 9) { # TAZBOOT.LST
|
pascal@21754
|
384 if (/,0/) {
|
pascal@21754
|
385 split($4,y,",")
|
pascal@21754
|
386 print " mov bx,offset " y[1]
|
pascal@21801
|
387 sub(/DGROUP:.*,/,"[bx],")
|
pascal@21754
|
388 }
|
pascal@21801
|
389 if (/mov/ && $3 == y[1]) next
|
pascal@21801
|
390 if (/je/) next
|
pascal@21801
|
391 if (/jmp/) sub(/jmp/,"jne")
|
pascal@21801
|
392 sub(/ax,offset/,"bx,offset")
|
pascal@21801
|
393 if (/bx,ax/) { isotazboot=0; next }
|
pascal@21729
|
394 }
|
pascal@21801
|
395 if (/isoopen\(s\+7\) != -1/) isotazboot=8 # tazboot/bootiso
|
pascal@21750
|
396 if (isotazboot == 8) { # TAZBOOT.LST
|
pascal@21801
|
397 sub(/\[bx/,"[si")
|
pascal@21801
|
398 if (/bx,si/) next
|
pascal@21750
|
399 if (/magic/) isotazboot=0
|
pascal@21750
|
400 }
|
pascal@21801
|
401 if (/isoopen\(\"bzImage\"\)/) isotazboot=7 # tazboot/bootiso
|
pascal@21750
|
402 if (isotazboot == 7) { # TAZBOOT.LST
|
pascal@21791
|
403 if (/inc/ || /,al/) next
|
pascal@21791
|
404 if (/al,byte/) sub (/mov al,/,"inc ")
|
pascal@21750
|
405 if (/isokernel/) isotazboot=0
|
pascal@21750
|
406 }
|
pascal@21801
|
407 if (/if \(c\) s\+\+;/) isotazboot=6 # tazboot/main
|
pascal@21750
|
408 if (isotazboot == 6) { # TAZBOOT.LST
|
pascal@21750
|
409 if (/cmp/) {
|
pascal@21750
|
410 $0=" cmp al,0"
|
pascal@21750
|
411 isotazboot=0
|
pascal@21750
|
412 }
|
pascal@21750
|
413 }
|
pascal@21801
|
414 if (/static void next_chunk/) isotazboot=5 # tazboot/next_chunk
|
pascal@21791
|
415 if (isotazboot == 501) {
|
pascal@21791
|
416 if (/ret/) {
|
pascal@21791
|
417 print "@1@86:"
|
pascal@21791
|
418 isotazboot=0
|
pascal@21791
|
419 }
|
pascal@21791
|
420 }
|
pascal@21754
|
421 if (isotazboot == 5 || isotazboot == 500) { # TAZBOOT.LST
|
pascal@21750
|
422 if (/cx,ax/) $0=" xchg ax,bx"
|
pascal@21754
|
423 if (/ax,word ptr \[si\+28\]/ && isotazboot == 500) next
|
pascal@21750
|
424 if (/bx,cx/) next
|
pascal@21754
|
425 if (/push/ || /pop/ || /bp,sp/ || /si,/) next
|
pascal@21754
|
426 sub(/\[si/,"[di")
|
pascal@21754
|
427 if (/initrd_info/) isotazboot=500
|
pascal@21791
|
428 if (/bx\+6\]/) next
|
pascal@21791
|
429 if (/bx\+4\]/) sub(/mov dx,/,"les dx,d")
|
pascal@21791
|
430 sub(/di\+24\],ax/,"di+24],es")
|
pascal@21791
|
431 sub(/call/,"jmp")
|
pascal@21791
|
432 if (/ret/ || /pop/ || /^@1@86:/) next
|
pascal@21791
|
433 if (/_isostate\+14/) next
|
pascal@21791
|
434 if (/_isostate\+12/) {
|
pascal@21791
|
435 sub(/mov ax,/,"les ax,d")
|
pascal@21791
|
436 print
|
pascal@21791
|
437 print " mov dx,es"
|
pascal@21791
|
438 next
|
pascal@21791
|
439 }
|
pascal@21791
|
440 if (/ax,-4/) isotazboot++
|
pascal@21750
|
441 }
|
pascal@21801
|
442 if (/0x7FF0/) isotazboot=4 # tazboot/bootiso
|
pascal@21750
|
443 if (isotazboot == 4) { # TAZBOOT.LST
|
pascal@21750
|
444 if (/ax,word ptr/) {
|
pascal@21750
|
445 print " mov ax,32752"
|
pascal@21754
|
446 print " cwd"
|
pascal@21750
|
447 sub(/mov/,"sub")
|
pascal@21750
|
448 }
|
pascal@21750
|
449 if (/bx,/ || /cx,/ || /dx,/) next
|
pascal@21754
|
450 sub(/,0/,",dx")
|
pascal@21754
|
451 sub(/,bx/,",dx")
|
pascal@21750
|
452 sub(/,cx/,",ax")
|
pascal@21754
|
453 if (/@addinitrd\$qv/) isotazboot=0
|
pascal@21750
|
454 }
|
pascal@21801
|
455 if (/c = x->filename/) isotazboot=3 # tazboot/bootiso
|
pascal@21750
|
456 if (isotazboot == 3) { # TAZBOOT.LST
|
pascal@21750
|
457 if (/ax,/) $0=" xchg ax,bx"
|
pascal@21750
|
458 if (/\]$/) next
|
pascal@21750
|
459 if (/@strcpy\$qpxzct1/) isotazboot=0
|
pascal@21750
|
460 }
|
pascal@21801
|
461 if (/base_himem = memtop/) isotazboot=2 # tazboot/bootiso
|
pascal@21750
|
462 if (isotazboot == 2) { # TAZBOOT.LST
|
pascal@21801
|
463 if (/word ptr \[si\+2\],0/) {
|
pascal@21754
|
464 print s; hold=0
|
pascal@21801
|
465 print " mov bx,word ptr [si+2]"
|
pascal@21752
|
466 $0=" or bx,bx"
|
pascal@21752
|
467 }
|
pascal@21752
|
468 if (/\[bp-4\],ax/) sub(/ax/,"bx")
|
pascal@21801
|
469 if (/ax,word ptr \[si\+2\]/ || /bx,ax/) next
|
pascal@21791
|
470 if (/_base_himem\+2,dx/) {
|
pascal@21791
|
471 print " mov bx,offset DGROUP:_base_himem+2"
|
pascal@21791
|
472 }
|
pascal@21791
|
473 sub(/DGROUP:_base_himem,/,"[bx-2],")
|
pascal@21791
|
474 sub(/DGROUP:_base_himem\+2,/,"[bx],")
|
pascal@21791
|
475 sub(/DGROUP:_base_himem\+3,/,"[bx+1],")
|
pascal@21750
|
476 if (/@strcmp\$qpxzct1/) isotazboot=0
|
pascal@21750
|
477 }
|
pascal@21801
|
478 if (/static void addinitrd/) isotazboot=100 # tazboot/addinitrd
|
pascal@21751
|
479 if (isotazboot == 100) { # TAZBOOT.LST
|
pascal@21751
|
480 if (/cx,ax/) {
|
pascal@21754
|
481 print " mov si,offset _isostate+8"
|
pascal@21757
|
482 print " push ds"
|
pascal@21757
|
483 print " pop es"
|
pascal@21754
|
484 print " xchg ax,di"
|
pascal@21751
|
485 print " movsw"
|
pascal@21751
|
486 print " movsw"
|
pascal@21751
|
487 print " movsw"
|
pascal@21751
|
488 print " movsw"
|
pascal@21754
|
489 $0=" xchg ax,di"
|
pascal@21751
|
490 }
|
pascal@21751
|
491 if (/mov/ && !/si/ && !/cl/) next
|
pascal@21754
|
492 if (/void load_initrds/) isotazboot=101
|
pascal@21751
|
493 }
|
pascal@21754
|
494 if (isotazboot == 101 || isotazboot == 102) { # TAZBOOT.LST
|
pascal@21754
|
495 sub(/\[si/,"[di"); sub(/si,/,"di,"); sub(/si$/,"di")
|
pascal@21754
|
496 sub(/DGROUP:_imgs\+38$/,"[di+38-32]")
|
pascal@21754
|
497 sub(/DGROUP:_imgs\+40$/,"[di+40-32]")
|
pascal@21754
|
498 if (/isofd/) isotazboot=102
|
pascal@21754
|
499 if (/push/ && isotazboot == 102) next
|
pascal@21754
|
500 if (/pop/ && isotazboot == 102) next
|
pascal@21754
|
501 if (/load_initrd/) isotazboot=101
|
pascal@21754
|
502 if (/isokernel/) isotazboot=103
|
pascal@21754
|
503 }
|
pascal@21754
|
504 if (isotazboot > 102) { # TAZBOOT.LST
|
pascal@21754
|
505 if (/push/ || /pop/) next
|
pascal@21754
|
506 sub(/\[si/,"[bx")
|
pascal@21750
|
507 sub(/si,/,"bx,")
|
pascal@21750
|
508 if (/static void bootiso/) isotazboot=0
|
pascal@21750
|
509 }
|
pascal@21729
|
510 if (wascall) {
|
pascal@21729
|
511 if (rcall != "") {
|
pascal@21729
|
512 if (/,ax$/) print " mov " rcall ",ax"
|
pascal@21729
|
513 else print " xchg ax," rcall
|
pascal@21729
|
514 wascall=0
|
pascal@21729
|
515 }
|
pascal@21729
|
516 else if (/^ mov .i,ax$/) {
|
pascal@21729
|
517 split($2,y,",")
|
pascal@21729
|
518 rcall=y[1]
|
pascal@21729
|
519 next
|
pascal@21729
|
520 }
|
pascal@21729
|
521 else wascall=0
|
pascal@21729
|
522 }
|
pascal@21729
|
523 if (/^ call /) { wascall=1; rcall="" }
|
pascal@20458
|
524 if (hold == 0) {
|
pascal@20458
|
525 s=$0
|
pascal@20534
|
526 if (/^ mov .[ix],bx$/ || /^ mov .[ix],.i$/) {
|
pascal@20543
|
527 r=$2; kept=0
|
pascal@20458
|
528 hold=1; split($2,regs,","); next
|
pascal@20458
|
529 }
|
pascal@21729
|
530 if (/^ inc e?.[ixhl]/ || /^ dec e?.[ixhl]/) {
|
pascal@20458
|
531 hold=2; r=$2; next
|
pascal@20458
|
532 }
|
pascal@20458
|
533 if (/^ mov [abcds][ix],/ && ! /,.s/) {
|
pascal@20458
|
534 hold=3; split($2,regs,","); next
|
pascal@20458
|
535 }
|
pascal@20458
|
536 if (/^ movzx eax,ax$/) { hold=4; next }
|
pascal@20544
|
537 if (/^ cmp word ptr/ || /^ cmp [bcd]x,/) {
|
pascal@20543
|
538 split($0,regs,",")
|
pascal@20543
|
539 if (isnum(regs[2]) && regs[2] != 0 &&
|
pascal@20543
|
540 (regs[2] % 256) == 0) {
|
pascal@20549
|
541 hold=5; next
|
pascal@20543
|
542 }
|
pascal@20543
|
543 }
|
pascal@20630
|
544 if (/^ mov ax,cs$/) { hold=6; kept=0; next }
|
pascal@20630
|
545 if (/^ mov cl,4$/) { hold=7; next }
|
pascal@20630
|
546 if (/^ cmp word ptr DGROUP:.*,0$/) {
|
pascal@20630
|
547 hold=8; split($2,regs,","); next
|
pascal@20630
|
548 }
|
pascal@20634
|
549 if (/^ cbw/) { hold=11; kept=0; next }
|
pascal@20634
|
550 if (/^ add [abcds][ix],2$/) {
|
pascal@20634
|
551 split($2,regs,","); hold=12; next
|
pascal@20634
|
552 }
|
pascal@20634
|
553 if (/^ sub [abcds][ix],2$/) {
|
pascal@20634
|
554 split($2,regs,","); hold=13; next
|
pascal@20634
|
555 }
|
pascal@21569
|
556 if (/^ push dx$/) {
|
pascal@21569
|
557 hold=14; next;
|
pascal@21569
|
558 }
|
pascal@20458
|
559 }
|
pascal@20458
|
560 else if (hold == 1) {
|
pascal@20543
|
561 if (/^ ;/) { line[kept++]=$0; next }
|
pascal@20458
|
562 hold=0; split($2,args,","); op=""
|
pascal@20458
|
563 if ($1 == "add") op="+"
|
pascal@20458
|
564 if ($1 == "sub") op="-"
|
pascal@20751
|
565 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
566 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20543
|
567 if (op != "" && regs[1] == args[1]) {
|
pascal@20543
|
568 if (isnum(args[2])) {
|
pascal@20630
|
569 for (i = kept++; i > 0; i--) line[i] = line[i-1]
|
pascal@20630
|
570 line[0] = "\tlea\t" regs[1] ",[" regs[2] op args[2] "]"
|
pascal@20630
|
571 hold=10; next
|
pascal@20543
|
572 }
|
pascal@20543
|
573 line[kept++]=$0
|
pascal@20543
|
574 hold=1
|
pascal@20458
|
575 next
|
pascal@20458
|
576 }
|
pascal@20520
|
577 if (/^ pop [ds]i/ && regs[2] ~ /^[ds]i$/) {
|
pascal@20520
|
578 print " xchg " r
|
pascal@20520
|
579 }
|
pascal@20543
|
580 else print s
|
pascal@20543
|
581 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20458
|
582 }
|
pascal@20458
|
583 else if (hold == 2) {
|
pascal@21729
|
584 split($0,args,",")
|
pascal@21729
|
585 if (/^ mov / && r == args[2]) { print s; s=$0; next }
|
pascal@21729
|
586 split($2,args,",")
|
pascal@21729
|
587 hold=0; print s
|
pascal@20458
|
588 if ($1 == "or" && r == args[1] && r == args[2]) next # don't clear C ...
|
pascal@20458
|
589 }
|
pascal@20458
|
590 else if (hold == 3) {
|
pascal@20458
|
591 hold=0
|
pascal@21576
|
592 if (/^ call / && regs[2] == "ax") s=" xchg ax," regs[1]
|
pascal@20542
|
593 if (/^ add [abcds][ix],/) {
|
pascal@20458
|
594 split($2,regs2,",")
|
pascal@20458
|
595 if (regs[1] == regs2[1] && (regs2[2] == "offset" || isnum(regs2[2]))) {
|
pascal@20549
|
596 t=$0; sub(/mov/,$1,s); sub(/add/,"mov",t)
|
pascal@20458
|
597 print t; print s; next
|
pascal@20458
|
598 }
|
pascal@20458
|
599 }
|
pascal@20458
|
600 print s
|
pascal@20458
|
601 }
|
pascal@20458
|
602 else if (hold == 4) {
|
pascal@20458
|
603 hold=0
|
pascal@20458
|
604 if (/^ push eax$/) {
|
pascal@20458
|
605 print " push 0"; print " push ax"; next
|
pascal@20458
|
606 } else { print s }
|
pascal@20458
|
607 }
|
pascal@20543
|
608 else if (hold == 5) {
|
pascal@20543
|
609 hold=0
|
pascal@20543
|
610 if ($1 == "jae" || $1 == "jb") {
|
pascal@20544
|
611 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
612 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20543
|
613 s = s "/256"
|
pascal@20543
|
614 }
|
pascal@20543
|
615 print s
|
pascal@20543
|
616 }
|
pascal@20630
|
617 else if (hold == 6) {
|
pascal@20630
|
618 if (($1 == "and" || $1 == "add") && $2 ~ /^ax,/) {
|
pascal@20630
|
619 line[kept++]=$0
|
pascal@20630
|
620 next
|
pascal@20630
|
621 }
|
pascal@20630
|
622 p=$0
|
pascal@20630
|
623 if (/^ movzx eax,ax$/) {
|
pascal@20630
|
624 s=" mov eax,cs"; p=""
|
pascal@20630
|
625 }
|
pascal@20630
|
626 print s
|
pascal@20630
|
627 for (i = 0; i < kept; i++) print line[i]; kept=0
|
pascal@20630
|
628 if (p != "") print p
|
pascal@20630
|
629 hold=0; next
|
pascal@20630
|
630 }
|
pascal@20630
|
631 else if (hold == 7) {
|
pascal@20458
|
632 hold=0
|
pascal@20520
|
633 if (/^ call near ptr N_LXURSH@$/) {
|
pascal@20520
|
634 print " extrn N_LXURSH@4:near"
|
pascal@20520
|
635 print " call near ptr N_LXURSH@4"
|
pascal@20520
|
636 next
|
pascal@20520
|
637 }
|
pascal@20528
|
638 if (/^ call near ptr N_LXLSH@$/) {
|
pascal@20528
|
639 print " extrn N_LXLSH@4:near"
|
pascal@20528
|
640 print " call near ptr N_LXLSH@4"
|
pascal@20528
|
641 next
|
pascal@20528
|
642 }
|
pascal@20520
|
643 print s
|
pascal@20458
|
644 }
|
pascal@20630
|
645 else if (hold == 8) {
|
pascal@20630
|
646 if ($1 == "je" || $1 == "jne") { p=$0; hold=9; next }
|
pascal@20630
|
647 hold=0
|
pascal@20630
|
648 print s
|
pascal@20630
|
649 }
|
pascal@20630
|
650 else if (hold == 9) {
|
pascal@20630
|
651 hold=0; split($2,args,",")
|
pascal@20630
|
652 if (/^ mov ax,/ && args[2] == regs[1]) {
|
pascal@20630
|
653 print; print " or ax,ax"; print p; next
|
pascal@20630
|
654 }
|
pascal@20630
|
655 print s; print p;
|
pascal@20630
|
656 }
|
pascal@20630
|
657 else if (hold == 10) {
|
pascal@20751
|
658 split($2,args,","); op=""
|
pascal@20751
|
659 if ($1 == "add") op="+"
|
pascal@20751
|
660 if ($1 == "sub") op="-"
|
pascal@20751
|
661 if ($1 == "inc") { op="+"; args[2]="1"; }
|
pascal@20751
|
662 if ($1 == "dec") { op="-"; args[2]="1"; }
|
pascal@20751
|
663 if (op != "" && isnum(args[2])) {
|
pascal@20751
|
664 split(line[0],reg,",")
|
pascal@20751
|
665 if (substr(reg[1],length(reg[1])-1,2) == args[1]) {
|
pascal@20751
|
666 line[0] = substr(line[0],1,length(line[0])-1) op args[2] "]"
|
pascal@20751
|
667 next
|
pascal@20751
|
668 }
|
pascal@20751
|
669 }
|
pascal@20630
|
670 hold=0
|
pascal@20630
|
671 if (/^ mov [sd]i,ax$/) {
|
pascal@20630
|
672 split($2,args,",")
|
pascal@20630
|
673 for (i = 0; i < kept; i++) {
|
pascal@20630
|
674 sub(/ax/,args[1],line[i]); print line[i]
|
pascal@20630
|
675 }
|
pascal@20630
|
676 next
|
pascal@20630
|
677 }
|
pascal@20630
|
678 for (i = 0; i < kept; i++) print line[i]
|
pascal@20630
|
679 }
|
pascal@20634
|
680 else if (hold == 11) {
|
pascal@20634
|
681 if (/^ inc ax$/ || /^ dec ax$/) {
|
pascal@20634
|
682 line[kept++]=$0; next
|
pascal@20634
|
683 }
|
pascal@20634
|
684 split($2,args,",")
|
pascal@20634
|
685 if (/^ mov cl,/) {
|
pascal@20634
|
686 split($2,args,",")
|
pascal@20634
|
687 if (args[2] >= 8) {
|
pascal@20634
|
688 line[kept++]=$0; next
|
pascal@20634
|
689 }
|
pascal@20634
|
690 }
|
pascal@20634
|
691 if (!/^ shl ax,/ || (args[2] != "cl" && args[2] < 8)) {
|
pascal@20634
|
692 print " cbw "
|
pascal@20634
|
693 }
|
pascal@20634
|
694 for (i = 0; i < kept; i++) print line[i]
|
pascal@20634
|
695 hold=kept=0
|
pascal@20634
|
696 }
|
pascal@20634
|
697 else if (hold == 12) {
|
pascal@20634
|
698 hold=0
|
pascal@20634
|
699 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
700 print " inc " regs[1]
|
pascal@20634
|
701 print " inc " regs[1]
|
pascal@20634
|
702 }
|
pascal@20634
|
703 else print " add " regs[1] ",2"
|
pascal@20634
|
704 }
|
pascal@20634
|
705 else if (hold == 13) {
|
pascal@20634
|
706 hold=0
|
pascal@20634
|
707 if ($1 != "adc" && $1 != "sbb" && ! /^ jn?[abc]/) {
|
pascal@20634
|
708 print " dec " regs[1]
|
pascal@20634
|
709 print " dec " regs[1]
|
pascal@20634
|
710 }
|
pascal@20634
|
711 else print " sub " regs[1] ",2"
|
pascal@20634
|
712 }
|
pascal@21569
|
713 else if (hold == 14) {
|
pascal@21569
|
714 if (/^ push ax$/) { hold++; next; }
|
pascal@21569
|
715 print " push dx";
|
pascal@21569
|
716 hold=0;
|
pascal@21569
|
717 }
|
pascal@21569
|
718 else if (hold == 15) {
|
pascal@21569
|
719 if (/^ pop eax$/) { hold++; next; }
|
pascal@21569
|
720 print " push dx";
|
pascal@21569
|
721 print " push ax";
|
pascal@21569
|
722 hold=0;
|
pascal@21569
|
723 }
|
pascal@21569
|
724 else if (hold == 16) {
|
pascal@21569
|
725 hold=0;
|
pascal@21569
|
726 if (/^ shr eax,16$/) { print " xchg ax,dx"; next; }
|
pascal@21569
|
727 print " push dx";
|
pascal@21569
|
728 print " push ax";
|
pascal@21569
|
729 print " pop eax";
|
pascal@21569
|
730 }
|
pascal@21569
|
731 else if (hold == 17) {
|
pascal@21569
|
732 hold=0;
|
pascal@21569
|
733 if (/^ cmp ax,-1$/) { print " inc ax"; next; }
|
pascal@21569
|
734 }
|
pascal@21576
|
735 if (/^ call near ptr @fileexist\$/ || # return boolean :
|
pascal@21576
|
736 /^ call near ptr @isoreaddir\$/ || # 0=true, -1=false
|
pascal@21628
|
737 /^ call near ptr @isoreset\$/ ||
|
pascal@21628
|
738 /^ call near ptr @isoopen\$/ ||
|
pascal@21628
|
739 /^ call near ptr @isoreadsector\$/ ||
|
pascal@21628
|
740 /^ call near ptr @strhead\$/ ||
|
pascal@21576
|
741 /^ call near ptr @argstr\$/ ||
|
pascal@21576
|
742 /^ call near ptr @argnum\$/) { print; hold=17; next; }
|
pascal@20458
|
743 s=$0
|
pascal@20458
|
744 # These optimisation may break ZF or CF
|
pascal@20485
|
745 if (/^ sub sp,2$/) { print " push ax"; next }
|
pascal@20485
|
746 if (/^ sub sp,4$/) { print " push ax"; print " push ax"; next }
|
pascal@20485
|
747 if (/^ add sp,4$/) { print " pop cx"; print " pop cx"; next }
|
pascal@20458
|
748 if (/^ mov d*word ptr .*,0$/ || /^ mov dword ptr .*,large 0$/) {
|
pascal@20458
|
749 sub(/mov/,"and",s); print s; next # slower
|
pascal@20458
|
750 }
|
pascal@20458
|
751 if (/^ mov d*word ptr .*,-1$/ || /^ mov dword ptr .*,large -1$/) {
|
pascal@20458
|
752 sub(/mov/,"or",s); print s; next # slower
|
pascal@20458
|
753 }
|
pascal@20458
|
754 if (/^ or .*,0$/ || /^ and .*,-1$/) next
|
pascal@20458
|
755 if (/^ or [abcd]x,/) {
|
pascal@20458
|
756 split($2,args,",")
|
pascal@20458
|
757 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
758 print " or " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
759 }
|
pascal@20458
|
760 }
|
pascal@20458
|
761 if (/^ and [abcd]x,/) {
|
pascal@20458
|
762 split($2,args,",")
|
pascal@20459
|
763 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
764 print " and " substr(args[1],1,1) "l," args[2]; next
|
pascal@20458
|
765 }
|
pascal@20458
|
766 }
|
pascal@20458
|
767 if (/^ or e[abcd]x,/) {
|
pascal@20458
|
768 split($2,args,",")
|
pascal@20458
|
769 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
770 if (isnum(args[2]) && args[2] >= 0 && args[2] < 256) {
|
pascal@20458
|
771 print " or " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
772 }
|
pascal@20458
|
773 }
|
pascal@20458
|
774 if (/^ and e[abcd]x,/) {
|
pascal@20458
|
775 split($2,args,",")
|
pascal@20458
|
776 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
777 if (isnum(args[2]) && args[2] >= -256 && args[2] < 0) {
|
pascal@20458
|
778 print " and " substr(args[1],2,1) "l," args[2]; next
|
pascal@20458
|
779 }
|
pascal@20458
|
780 }
|
pascal@20458
|
781 if (/^ or e[abcds][ix],/) {
|
pascal@20458
|
782 split($2,args,",")
|
pascal@20458
|
783 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
784 if (isnum(args[2]) && args[2] >= 0 && args[2] < 65536) {
|
pascal@20458
|
785 print " or " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
786 }
|
pascal@20458
|
787 }
|
pascal@20458
|
788 if (/^ and e[abcds][ix],/) {
|
pascal@20458
|
789 split($2,args,",")
|
pascal@20458
|
790 if (args[2] == "large") { args[2] = $3 }
|
pascal@20459
|
791 if (isnum(args[2]) && args[2] >= -65536 && args[2] < 0) {
|
pascal@20458
|
792 print " and " substr(args[1],2) "," args[2]; next
|
pascal@20458
|
793 }
|
pascal@20458
|
794 }
|
pascal@20543
|
795 if (/^ add word ptr/ || /^ sub word ptr/ ||
|
pascal@20544
|
796 /^ add [bcd]x,/ || /^ sub [bcd]x,/) {
|
pascal@20542
|
797 split($0,args,",")
|
pascal@20542
|
798 if (isnum(args[2]) && (args[2] % 256 == 0)) {
|
pascal@20544
|
799 sub(/word ptr/,"byte ptr",s); sub(/x,/,"h,",s) ||
|
pascal@20543
|
800 sub(/\],/,"+1],",s) || sub(/,/,"+1,",s)
|
pascal@20542
|
801 print s "/256"; next
|
pascal@20542
|
802 }
|
pascal@20542
|
803 }
|
pascal@20546
|
804 if (/^ add dword ptr/ || /^ sub dword ptr/) {
|
pascal@20458
|
805 split($0,args,",")
|
pascal@20543
|
806 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
807 if (isnum(args[2])) {
|
pascal@20546
|
808 if (args[2] % 16777216 == 0) {
|
pascal@20546
|
809 sub(/dword/,"byte",s)
|
pascal@20543
|
810 sub(/\],/,"+3],",s) || sub(/,/,"+3,",s)
|
pascal@20458
|
811 print s "/16777216"; next
|
pascal@20458
|
812 }
|
pascal@20458
|
813 if (args[2] % 65536 == 0) {
|
pascal@20546
|
814 sub(/dword/,"word",s)
|
pascal@20543
|
815 sub(/\],/,"+2],",s) || sub(/,/,"+2,",s)
|
pascal@20458
|
816 print s "/65536"; next
|
pascal@20458
|
817 }
|
pascal@20458
|
818 }
|
pascal@20458
|
819 }
|
pascal@20458
|
820 if (/^ mov e.x,/) {
|
pascal@20458
|
821 split($2,args,",")
|
pascal@20458
|
822 r=args[1]
|
pascal@20458
|
823 if (args[2] == "large") { args[2] = $3 }
|
pascal@20458
|
824 if (isnum(args[2]) && args[2] % 65536 == args[2]) {
|
pascal@20458
|
825 if (args[2] % 256 == args[2] || args[2] % 256 == 0) {
|
pascal@20458
|
826 print " xor " r "," r
|
pascal@20458
|
827 if (args[2] == 0) next
|
pascal@20458
|
828 x=" mov " substr(r,2,1)
|
pascal@20458
|
829 if (args[2] % 256 == 0) {
|
pascal@20458
|
830 print x "h," args[2] "/256"
|
pascal@20458
|
831 }
|
pascal@20458
|
832 else { print x "l," args[2] }
|
pascal@20458
|
833 next
|
pascal@20458
|
834 }
|
pascal@20458
|
835 }
|
pascal@20458
|
836 }
|
pascal@21576
|
837 if (afterjmp) print ";" $0
|
pascal@21576
|
838 else print
|
pascal@21754
|
839 if (/^ jmp / || /^ call near ptr _boot_kernel/ ||
|
pascal@21754
|
840 /^ call near ptr @die$qpxzc/) afterjmp=1
|
pascal@20458
|
841 }
|