gzip.s

linux 下的源代码分析阅读器 red hat公司新版

	cmpwi 1,0,0
	bc 4,6,.L221
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC102@ha
	addi 4,4,.LC102@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	crxor 6,6,6
	bl fprintf
	b .L221
.L209:
	mr 3,29
	bl strlwr
	mr 3,29
	addis 4,0,.LC96@ha
	addi 4,4,.LC96@l
	bl strcmp
	cmpwi 1,3,0
	bc 12,6,.L217
	mr 3,29
	addis 4,0,.LC95@ha
	addi 4,4,.LC95@l
	bl strcmp
	cmpwi 1,3,0
	bc 4,6,.L216
.L217:
	addis 9,0,.LC103@ha
	addi 11,9,.LC103@l
	lwz 0,.LC103@l(9)
	lbz 9,4(11)
	stw 0,0(29)
	stb 9,4(29)
	b .L219
.L216:
	li 0,0
	stb 0,0(29)
	b .L219
.L208:
	cmpwi 1,29,0
	bc 12,6,.L220
	addis 9,0,verbose@ha
	lwz 0,verbose@l(9)
	cmpwi 1,0,0
	bc 4,6,.L222
	addis 9,0,recursive@ha
	lwz 0,recursive@l(9)
	cmpwi 1,0,0
	bc 4,6,.L221
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	cmpwi 1,0,0
	bc 4,6,.L221
.L222:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC104@ha
	addi 4,4,.LC104@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	mr 7,29
	crxor 6,6,6
	bl fprintf
.L221:
	addis 9,0,exit_code@ha
	lwz 0,exit_code@l(9)
	cmpwi 1,0,0
	bc 4,6,.L223
	li 0,2
	stw 0,exit_code@l(9)
.L223:
	li 3,2
	b .L225
.L220:
	addis 9,0,save_orig_name@ha
	li 0,0
	stw 0,save_orig_name@l(9)
	addis 3,0,ofname@ha
	addi 3,3,ofname@l
	addis 4,0,z_suffix@ha
	addi 4,4,z_suffix@l
	bl strcat
.L219:
	li 3,0
.L225:
	lwz 0,28(1)
	mtlr 0
	lwz 29,12(1)
	lwz 30,16(1)
	lwz 31,20(1)
	addi 1,1,24
	blr
.Lfe12:
	.size	 make_ofname,.Lfe12-make_ofname
	.section	".rodata"
	.align 2
.LC105:
	.string	"\037\213"
	.align 2
.LC106:
	.string	"\037\236"
	.align 2
.LC107:
	.string	"%s: %s: unknown method %d -- get newer version of gzip\n"
	.align 2
.LC108:
	.string	"%s: %s is encrypted -- get newer version of gzip\n"
	.align 2
.LC109:
	.string	"%s: %s is a a multi-part gzip file -- get newer version of gzip\n"
	.align 2
.LC110:
	.string	"%s: %s has flags 0x%x -- get newer version of gzip\n"
	.align 2
.LC111:
	.string	"%s: %s: part number %u\n"
	.align 2
.LC112:
	.string	"%s: %s: extra field of %u bytes ignored\n"
	.align 2
.LC113:
	.string	"corrupted input -- file name too large"
	.align 2
.LC114:
	.string	"PK\003\004"
	.align 2
.LC115:
	.string	"\037\036"
	.align 2
.LC116:
	.string	"\037\235"
	.align 2
.LC117:
	.string	"\037\240"
	.align 2
.LC118:
	.string	"\n%s: %s: not in gzip format\n"
	.align 2
.LC119:
	.string	"\n%s: %s: decompression OK, trailing garbage ignored\n"
	.section ".text"
	.align 2
	.type	 get_method,@function
get_method:
	stwu 1,-48(1)
	mflr 0
	stw 24,16(1)
	stw 25,20(1)
	stw 26,24(1)
	stw 27,28(1)
	stw 28,32(1)
	stw 29,36(1)
	stw 30,40(1)
	stw 31,44(1)
	stw 0,52(1)
	mr 29,3
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,0
	bc 12,6,.L227
	addis 9,0,to_stdout@ha
	lwz 0,to_stdout@l(9)
	cmpwi 1,0,0
	bc 12,6,.L227
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L228
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 3,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L229
.L228:
	li 3,1
	bl fill_inbuf
.L229:
	rlwinm 9,3,0,0xff
	slwi 9,9,8
	lbz 0,9(1)
	or 0,0,9
	sth 0,8(1)
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 12,4,.L331
	li 3,1
	b .L332
.L227:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L233
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 3,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L234
.L233:
	li 3,0
	bl fill_inbuf
.L234:
	rlwinm 9,3,0,0xff
	slwi 9,9,8
	lbz 0,9(1)
	or 0,0,9
	sth 0,8(1)
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L235
.L331:
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 3,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L236
.L235:
	li 3,0
.L332:
	bl fill_inbuf
.L236:
	rlwinm 9,3,0,0xff
	lhz 0,8(1)
	rlwinm 0,0,0,16,23
	or 0,0,9
	sth 0,8(1)
	addis 9,0,method@ha
	li 0,-1
	stw 0,method@l(9)
	addis 9,0,part_nb@ha
	lwz 0,part_nb@l(9)
	addic 0,0,1
	stw 0,part_nb@l(9)
	addis 9,0,header_bytes@ha
	li 0,0
	stw 0,header_bytes@l(9)
	addis 9,0,last_member@ha
	stw 0,last_member@l(9)
	addi 3,1,8
	addis 4,0,.LC105@ha
	addi 4,4,.LC105@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 12,6,.L238
	addi 3,1,8
	addis 4,0,.LC106@ha
	addi 4,4,.LC106@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 4,6,.L237
.L238:
	addis 9,0,method@ha
	addi 31,9,method@l
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L239
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 3,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L240
.L239:
	li 3,0
	bl fill_inbuf
.L240:
	stw 3,0(31)
	addis 9,0,method@ha
	lwz 7,method@l(9)
	cmpwi 1,7,8
	bc 12,6,.L241
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC107@ha
	addi 4,4,.LC107@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	crxor 6,6,6
	bl fprintf
	b .L325
.L241:
	addis 11,0,work@ha
	addis 9,0,unzip@ha
	addi 9,9,unzip@l
	stw 9,work@l(11)
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L242
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 7,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L243
.L242:
	li 3,0
	bl fill_inbuf
	rlwinm 7,3,0,0xff
.L243:
	mr 28,7
	andi. 0,28,32
	bc 12,2,.L244
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC108@ha
	addi 4,4,.LC108@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	crxor 6,6,6
	bl fprintf
.L325:
	addis 9,0,exit_code@ha
	li 0,1
	stw 0,exit_code@l(9)
.L330:
	li 3,-1
	b .L324
.L244:
	andi. 0,28,2
	bc 12,2,.L245
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC109@ha
	addi 4,4,.LC109@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	crxor 6,6,6
	bl fprintf
	addis 9,0,exit_code@ha
	li 0,1
	stw 0,exit_code@l(9)
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,1
	bc 4,5,.L330
.L245:
	andi. 0,28,192
	bc 12,2,.L247
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC110@ha
	addi 4,4,.LC110@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	mr 7,28
	crxor 6,6,6
	bl fprintf
	addis 9,0,exit_code@ha
	li 0,1
	stw 0,exit_code@l(9)
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,1
	bc 4,5,.L330
.L247:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L249
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 31,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L250
.L249:
	li 3,0
	bl fill_inbuf
	mr 31,3
.L250:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L251
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 0,9,11
	slwi 0,0,8
	or 31,31,0
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L252
.L251:
	li 3,0
	bl fill_inbuf
	slwi 3,3,8
	or 31,31,3
.L252:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L253
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 0,9,11
	slwi 0,0,16
	or 31,31,0
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L254
.L253:
	li 3,0
	bl fill_inbuf
	slwi 3,3,16
	or 31,31,3
.L254:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L255
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 0,9,11
	slwi 0,0,24
	or 31,31,0
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L256
.L255:
	li 3,0
	bl fill_inbuf
	slwi 3,3,24
	or 31,31,3
.L256:
	cmpwi 1,31,0
	bc 12,6,.L257
	addis 9,0,no_time@ha
	lwz 0,no_time@l(9)
	cmpwi 1,0,0
	bc 4,6,.L257
	addis 9,0,time_stamp@ha
	stw 31,time_stamp@l(9)
.L257:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L258
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L259
.L258:
	li 3,0
	bl fill_inbuf
.L259:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L260
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L261
.L260:
	li 3,0
	bl fill_inbuf
.L261:
	andi. 0,28,2
	bc 12,2,.L262
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L263
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 31,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L264
.L263:
	li 3,0
	bl fill_inbuf
	mr 31,3
.L264:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L265
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 0,9,11
	slwi 0,0,8
	or 31,31,0
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L266
.L265:
	li 3,0
	bl fill_inbuf
	slwi 3,3,8
	or 31,31,3
.L266:
	addis 9,0,verbose@ha
	lwz 0,verbose@l(9)
	cmpwi 1,0,0
	bc 12,6,.L262
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC111@ha
	addi 4,4,.LC111@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	mr 7,31
	crxor 6,6,6
	bl fprintf
.L262:
	andi. 0,28,4
	bc 12,2,.L268
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L269
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 31,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L270
.L269:
	li 3,0
	bl fill_inbuf
	mr 31,3
.L270:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L271
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 0,9,11
	slwi 0,0,8
	or 31,31,0
	addi 0,11,1
	stw 0,inptr@l(10)
	b .L272
.L271:
	li 3,0
	bl fill_inbuf
	slwi 3,3,8
	or 31,31,3
.L272:
	addis 9,0,verbose@ha
	lwz 0,verbose@l(9)
	cmpwi 1,0,0
	bc 12,6,.L273
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC112@ha
	addi 4,4,.LC112@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	mr 7,31
	crxor 6,6,6
	bl fprintf
.L273:
	cmpwi 1,31,0
	addi 31,31,-1
	bc 12,6,.L268
	addis 30,0,inptr@ha
	addis 29,0,insize@ha
.L276:
	lwz 9,inptr@l(30)
	lwz 0,insize@l(29)
	cmplw 1,9,0
	bc 4,4,.L277
	addi 0,9,1
	stw 0,inptr@l(30)
	b .L274
.L277:
	li 3,0
	bl fill_inbuf
.L274:
	cmpwi 1,31,0
	addi 31,31,-1
	bc 4,6,.L276
.L268:
	andi. 0,28,8
	bc 12,2,.L280
	addis 9,0,no_name@ha
	lwz 0,no_name@l(9)
	cmpwi 1,0,0
	bc 4,6,.L282
	addis 9,0,to_stdout@ha
	lwz 0,to_stdout@l(9)
	cmpwi 1,0,0
	bc 12,6,.L283
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 12,6,.L282
.L283:
	addis 9,0,part_nb@ha
	lwz 0,part_nb@l(9)
	cmpwi 1,0,1
	bc 4,5,.L281
.L282:
	addis 31,0,inptr@ha
	addis 29,0,insize@ha
	addis 9,0,inbuf@ha
	addi 30,9,inbuf@l
.L284:
	lwz 9,inptr@l(31)
	lwz 0,insize@l(29)
	cmplw 1,9,0
	bc 4,4,.L287
	lbzx 3,30,9
	addi 0,9,1
	stw 0,inptr@l(31)
	b .L288
.L287:
	li 3,0
	bl fill_inbuf
	rlwinm 3,3,0,0xff
.L288:
	cmpwi 1,3,0
	bc 4,6,.L284
	b .L280
.L281:
	addis 3,0,ofname@ha
	addi 3,3,ofname@l
	bl basename
	mr 29,3
	mr 31,29
	addis 30,0,inptr@ha
	addis 24,0,insize@ha
	addis 9,0,inbuf@ha
	addi 25,9,inbuf@l
	addis 9,0,ofname+1024@ha
	addi 26,9,ofname+1024@l
	addis 27,0,.LC113@ha
.L291:
	lwz 9,inptr@l(30)
	lwz 0,insize@l(24)
	cmplw 1,9,0
	bc 4,4,.L294
	lbzx 3,25,9
	addi 0,9,1
	stw 0,inptr@l(30)
	b .L295
.L294:
	li 3,0
	bl fill_inbuf
.L295:
	stb 3,0(31)
	rlwinm 0,3,0,0xff
	addi 31,31,1
	cmpwi 1,0,0
	bc 12,6,.L292
	cmplw 1,31,26
	bc 12,4,.L291
	addi 3,27,.LC113@l
	bl error
	b .L291
.L292:
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 4,6,.L280
	cmpwi 1,29,0
.L280:
	andi. 0,28,16
	bc 12,2,.L300
	b .L301
.L304:
	li 3,0
	bl fill_inbuf
	cmpwi 1,3,0
	bc 12,6,.L300
.L301:
	addis 10,0,inptr@ha
	addis 9,0,insize@ha
	lwz 11,inptr@l(10)
	lwz 0,insize@l(9)
	cmplw 1,11,0
	bc 4,4,.L304
	addis 9,0,inbuf@ha
	addi 9,9,inbuf@l
	lbzx 9,9,11
	addi 0,11,1
	stw 0,inptr@l(10)
	cmpwi 1,9,0
	bc 4,6,.L301
.L300:
	addis 9,0,part_nb@ha
	lwz 0,part_nb@l(9)
	cmpwi 1,0,1
	bc 4,6,.L308
	addis 11,0,header_bytes@ha
	addis 9,0,inptr@ha
	lwz 0,inptr@l(9)
	addic 0,0,8
	stw 0,header_bytes@l(11)
	b .L308
.L237:
	addi 3,1,8
	addis 30,0,.LC114@ha
	addi 4,30,.LC114@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 4,6,.L309
	addis 31,0,inptr@ha
	lwz 0,inptr@l(31)
	cmpwi 1,0,2
	bc 4,6,.L309
	addis 3,0,inbuf@ha
	addi 3,3,inbuf@l
	addi 4,30,.LC114@l
	li 5,4
	bl memcmp
	mr. 3,3
	bc 4,2,.L309
	stw 3,inptr@l(31)
	addis 11,0,work@ha
	addis 9,0,unzip@ha
	addi 9,9,unzip@l
	stw 9,work@l(11)
	mr 3,29
	bl check_zipfile
	cmpwi 1,3,0
	bc 4,6,.L330
	b .L328
.L309:
	addi 3,1,8
	addis 4,0,.LC115@ha
	addi 4,4,.LC115@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 4,6,.L312
	addis 11,0,work@ha
	addis 9,0,unpack@ha
	addi 9,9,unpack@l
	stw 9,work@l(11)
	addis 9,0,method@ha
	li 0,2
	stw 0,method@l(9)
	b .L308
.L312:
	addi 3,1,8
	addis 4,0,.LC116@ha
	addi 4,4,.LC116@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 4,6,.L314
	addis 11,0,work@ha
	addis 9,0,unlzw@ha
	addi 9,9,unlzw@l
	stw 9,work@l(11)
	addis 9,0,method@ha
	li 0,1
	stw 0,method@l(9)
	addis 9,0,last_member@ha
	b .L329
.L314:
	addi 3,1,8
	addis 4,0,.LC117@ha
	addi 4,4,.LC117@l
	li 5,2
	bl memcmp
	cmpwi 1,3,0
	bc 4,6,.L316
	addis 11,0,work@ha
	addis 9,0,unlzh@ha
	addi 9,9,unlzh@l
	stw 9,work@l(11)
	addis 9,0,method@ha
	li 0,3
	stw 0,method@l(9)
	b .L328
.L316:
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,0
	bc 12,6,.L308
	addis 9,0,to_stdout@ha
	lwz 0,to_stdout@l(9)
	cmpwi 1,0,0
	bc 12,6,.L308
	addis 9,0,list@ha