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