gzip.s

linux 下的源代码分析阅读器 red hat公司新版

	stw 3,z_len@l(29)
	addis 9,0,.L59@ha
	addi 18,9,.L59@l
	addis 9,0,.L59@ha
	addi 19,9,.L59@l
	li 28,1
	addis 24,0,optarg@ha
	addis 25,0,to_stdout@ha
	addis 26,0,decompress@ha
	addis 20,0,list@ha
	addis 30,0,no_time@ha
	li 31,0
	addis 21,0,no_name@ha
	addis 22,0,quiet@ha
	addis 27,0,verbose@ha
	addis 23,0,progname@ha
.L24:
	lwz 3,8(1)
	lwz 4,12(1)
	addis 5,0,.LC69@ha
	addi 5,5,.LC69@l
	addis 6,0,longopts@ha
	addi 6,6,longopts@l
	li 7,0
	bl getopt_long
	cmpwi 1,3,-1
	bc 12,6,.L25
	addi 0,3,-49
	cmplwi 1,0,69
	bc 12,5,.L58
	slwi 0,0,2
	lwzx 0,18,0
	add 0,0,19
	mtctr 0
	bctr
	.section	".rodata"
	.align 3
	.align 2
.L59:
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L57-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L35-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L35-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L37-.L59
	.long .L39-.L59
	.long .L41-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L44-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L47-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L48-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L28-.L59
	.long .L29-.L59
	.long .L30-.L59
	.long .L31-.L59
	.long .L58-.L59
	.long .L32-.L59
	.long .L58-.L59
	.long .L35-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L36-.L59
	.long .L38-.L59
	.long .L40-.L59
	.long .L58-.L59
	.long .L58-.L59
	.long .L42-.L59
	.long .L43-.L59
	.long .L58-.L59
	.long .L45-.L59
	.long .L58-.L59
	.long .L46-.L59
	.section ".text"
.L28:
	addis 9,0,ascii@ha
	stw 28,ascii@l(9)
	b .L24
.L29:
	lwz 3,optarg@l(24)
	bl atoi
	addis 9,0,maxbits@ha
	stw 3,maxbits@l(9)
	b .L24
.L30:
	stw 28,to_stdout@l(25)
	b .L24
.L31:
	stw 28,decompress@l(26)
	b .L24
.L32:
	addis 9,0,force@ha
	lwz 0,force@l(9)
	addic 0,0,1
	stw 0,force@l(9)
	b .L24
.L35:
	bl help
	b .L77
.L36:
	stw 28,to_stdout@l(25)
	stw 28,decompress@l(26)
	stw 28,list@l(20)
	b .L24
.L37:
	bl license
	b .L77
.L38:
	stw 28,no_time@l(30)
	b .L24
.L39:
	stw 31,no_time@l(30)
	b .L24
.L40:
	stw 28,no_time@l(30)
	stw 28,no_name@l(21)
	b .L24
.L41:
	stw 31,no_time@l(30)
	stw 31,no_name@l(21)
	b .L24
.L42:
	stw 28,quiet@l(22)
	stw 31,verbose@l(27)
	b .L24
.L43:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,12(9)
	addis 4,0,.LC70@ha
	addi 4,4,.LC70@l
.L78:
	lwz 5,progname@l(23)
	crxor 6,6,6
	bl fprintf
	b .L58
.L44:
	addis 29,0,z_len@ha
	lwz 3,optarg@l(24)
	bl strlen
	stw 3,z_len@l(29)
	addis 3,0,z_suffix@ha
	addi 3,3,z_suffix@l
	lwz 4,optarg@l(24)
	bl strcpy
	b .L24
.L45:
	addis 9,0,test@ha
	stw 28,to_stdout@l(25)
	stw 28,decompress@l(26)
	stw 28,test@l(9)
	b .L24
.L46:
	lwz 0,verbose@l(27)
	addic 0,0,1
	stw 0,verbose@l(27)
	stw 31,quiet@l(22)
	b .L24
.L47:
	bl version
.L77:
	li 3,0
	bl do_exit
	b .L24
.L48:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,12(9)
	addis 4,0,.LC71@ha
	addi 4,4,.LC71@l
	b .L78
.L57:
	addis 9,0,level@ha
	addi 0,3,-48
	stw 0,level@l(9)
	b .L24
.L58:
	bl usage
	li 3,1
	bl do_exit
	b .L24
.L25:
	addis 11,0,no_time@ha
	lwz 0,no_time@l(11)
	cmpwi 1,0,0
	bc 4,4,.L60
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	stw 0,no_time@l(11)
.L60:
	addis 11,0,no_name@ha
	lwz 0,no_name@l(11)
	cmpwi 1,0,0
	bc 4,4,.L61
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	stw 0,no_name@l(11)
.L61:
	addis 9,0,optind@ha
	lwz 11,8(1)
	lwz 0,optind@l(9)
	subf 31,0,11
	addis 9,0,ascii@ha
	lwz 0,ascii@l(9)
	cmpwi 1,0,0
	bc 12,6,.L62
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	cmpwi 1,0,0
	bc 4,6,.L62
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC72@ha
	addi 4,4,.LC72@l
	lwz 5,progname@l(11)
	crxor 6,6,6
	bl fprintf
.L62:
	addis 9,0,z_len@ha
	lwz 0,z_len@l(9)
	cmpwi 1,0,0
	bc 4,6,.L65
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 12,6,.L64
.L65:
	addis 9,0,z_len@ha
	lwz 0,z_len@l(9)
	cmpwi 1,0,30
	bc 4,5,.L63
.L64:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	addis 10,0,optarg@ha
	lwz 3,12(9)
	addis 4,0,.LC73@ha
	addi 4,4,.LC73@l
	lwz 5,progname@l(11)
	lwz 6,optarg@l(10)
	crxor 6,6,6
	bl fprintf
	li 3,1
	bl do_exit
.L63:
	addis 9,0,do_lzw@ha
	lwz 0,do_lzw@l(9)
	cmpwi 1,0,0
	bc 12,6,.L66
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 4,6,.L66
	addis 11,0,work@ha
	addis 9,0,lzw@ha
	addi 9,9,lzw@l
	stw 9,work@l(11)
.L66:
	cmpwi 1,31,0
	bc 12,6,.L67
	addis 9,0,to_stdout@ha
	lwz 0,to_stdout@l(9)
	cmpwi 1,0,0
	bc 12,6,.L68
	addis 9,0,test@ha
	lwz 0,test@l(9)
	cmpwi 1,0,0
	bc 4,6,.L68
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
.L68:
	addis 9,0,optind@ha
	lwz 9,optind@l(9)
	lwz 0,8(1)
	cmpw 1,9,0
	bc 4,4,.L74
	addis 29,0,optind@ha
.L72:
	lwz 0,optind@l(29)
	lwz 11,12(1)
	slwi 9,0,2
	addic 0,0,1
	stw 0,optind@l(29)
	lwzx 3,9,11
	bl treat_file
	lwz 9,optind@l(29)
	lwz 0,8(1)
	cmpw 1,9,0
	bc 12,4,.L72
	b .L74
.L67:
	bl treat_stdin
.L74:
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 12,6,.L75
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	subfic 9,0,0
	adde 0,9,0
	cmpwi 1,31,1
	mfcr 9
	rlwinm 9,9,6,1
	and. 11,0,9
	bc 12,2,.L75
	li 3,-1
	mr 4,3
	bl do_list
.L75:
	addis 29,0,exit_code@ha
	lwz 3,exit_code@l(29)
	bl do_exit
	lwz 3,exit_code@l(29)
	lwz 0,84(1)
	mtlr 0
	lwz 18,24(1)
	lwz 19,28(1)
	lwz 20,32(1)
	lwz 21,36(1)
	lwz 22,40(1)
	lwz 23,44(1)
	lwz 24,48(1)
	lwz 25,52(1)
	lwz 26,56(1)
	lwz 27,60(1)
	lwz 28,64(1)
	lwz 29,68(1)
	lwz 30,72(1)
	lwz 31,76(1)
	addi 1,1,80
	blr
.Lfe5:
	.size	 main,.Lfe5-main
	.section	".rodata"
	.align 2
.LC74:
	.string	"%s: compressed data not %s a terminal. Use -f to force %scompression.\n"
	.align 2
.LC75:
	.string	"read from"
	.align 2
.LC76:
	.string	"written to"
	.align 2
.LC77:
	.string	"de"
	.align 2
.LC78:
	.string	"For help, type: %s -h\n"
	.align 2
.LC79:
	.string	"stdin"
	.align 2
.LC80:
	.string	"fstat(stdin)"
	.align 2
.LC81:
	.string	" OK\n"
	.section ".text"
	.align 2
	.type	 treat_stdin,@function
treat_stdin:
	stwu 1,-48(1)
	mflr 0
	stw 22,8(1)
	stw 23,12(1)
	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)
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,0
	bc 4,6,.L80
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 4,6,.L80
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 12,6,.L81
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,4(9)
	b .L82
.L81:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,8(9)
.L82:
	bl fileno
	bl isatty
	cmpwi 1,3,0
	bc 12,6,.L80
	addis 9,0,_impure_ptr@ha
	lwz 11,_impure_ptr@l(9)
	addis 9,0,progname@ha
	addi 5,9,progname@l
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 12,6,.L83
	addis 9,0,.LC75@ha
	addi 6,9,.LC75@l
	b .L84
.L83:
	addis 9,0,.LC76@ha
	addi 6,9,.LC76@l
.L84:
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 12,6,.L85
	addis 9,0,.LC77@ha
	addi 7,9,.LC77@l
	b .L86
.L85:
	addis 9,0,.LC5@ha
	addi 7,9,.LC5@l
.L86:
	lwz 3,12(11)
	addis 4,0,.LC74@ha
	addi 4,4,.LC74@l
	lwz 5,0(5)
	crxor 6,6,6
	bl fprintf
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC78@ha
	addi 4,4,.LC78@l
	lwz 5,progname@l(11)
	crxor 6,6,6
	bl fprintf
	li 3,1
	bl do_exit
.L80:
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	addis 9,0,test@ha
	lwz 0,test@l(9)
	cmpwi 1,0,0
	bc 4,6,.L89
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 4,6,.L89
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
.L89:
	addis 10,0,ifname@ha
	addi 8,10,ifname@l
	addis 9,0,.LC79@ha
	addi 11,9,.LC79@l
	lwz 0,.LC79@l(9)
	lhz 9,4(11)
	stw 0,ifname@l(10)
	sth 9,4(8)
	addis 10,0,ofname@ha
	addi 8,10,ofname@l
	addis 9,0,.LC15@ha
	addi 11,9,.LC15@l
	lwz 0,.LC15@l(9)
	lhz 9,4(11)
	lbz 11,6(11)
	stw 0,ofname@l(10)
	sth 9,4(8)
	stb 11,6(8)
	addis 9,0,time_stamp@ha
	li 0,0
	stw 0,time_stamp@l(9)
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 4,6,.L92
	addis 9,0,no_time@ha
	lwz 0,no_time@l(9)
	cmpwi 1,0,0
	bc 4,6,.L91
.L92:
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,4(9)
	bl fileno
	addis 4,0,istat@ha
	addi 4,4,istat@l
	bl fstat
	cmpwi 1,3,0
	bc 12,6,.L93
	addis 3,0,.LC80@ha
	addi 3,3,.LC80@l
	bl error
.L93:
	addis 9,0,time_stamp@ha
	addis 11,0,istat+28@ha
	lwz 0,istat+28@l(11)
	stw 0,time_stamp@l(9)
.L91:
	addis 9,0,ifile_size@ha
	li 0,-1
	stw 0,ifile_size@l(9)
	bl clear_bufs
	addis 9,0,to_stdout@ha
	li 0,1
	stw 0,to_stdout@l(9)
	addis 9,0,part_nb@ha
	li 0,0
	stw 0,part_nb@l(9)
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 12,6,.L94
	addis 9,0,ifd@ha
	lwz 3,ifd@l(9)
	bl get_method
	addis 9,0,method@ha
	stw 3,method@l(9)
	cmpwi 1,3,0
	bc 4,4,.L94
	addis 9,0,exit_code@ha
	lwz 3,exit_code@l(9)
	bl do_exit
.L94:
	addis 9,0,list@ha
	lwz 0,list@l(9)
	cmpwi 1,0,0
	bc 12,6,.L96
	addis 9,0,ifd@ha
	addis 11,0,method@ha
	lwz 3,ifd@l(9)
	lwz 4,method@l(11)
	bl do_list
	b .L79
.L96:
	addis 22,0,work@ha
	addis 31,0,_impure_ptr@ha
	addis 23,0,decompress@ha
	addis 24,0,last_member@ha
	addis 25,0,inptr@ha
	addis 26,0,insize@ha
	addis 27,0,ifd@ha
	addis 28,0,method@ha
	addis 30,0,bytes_out@ha
.L97:
	lwz 9,_impure_ptr@l(31)
	lwz 3,4(9)
	bl fileno
	mr 29,3
	lwz 9,_impure_ptr@l(31)
	lwz 3,8(9)
	bl fileno
	mr 4,3
	lwz 0,work@l(22)
	mr 3,29
	mtlr 0
	blrl
	cmpwi 1,3,0
	bc 4,6,.L79
	lwz 0,decompress@l(23)
	cmpwi 1,0,0
	bc 12,6,.L98
	lwz 29,last_member@l(24)
	cmpwi 1,29,0
	bc 4,6,.L98
	lwz 0,inptr@l(25)
	lwz 9,insize@l(26)
	cmpw 1,0,9
	bc 12,6,.L98
	lwz 3,ifd@l(27)
	bl get_method
	stw 3,method@l(28)
	cmpwi 1,3,0
	bc 12,4,.L79
	stw 29,bytes_out@l(30)
	b .L97
.L98:
	addis 9,0,verbose@ha
	lwz 0,verbose@l(9)
	cmpwi 1,0,0
	bc 12,6,.L79
	addis 9,0,test@ha
	lwz 0,test@l(9)
	cmpwi 1,0,0
	bc 12,6,.L105
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	lwz 3,12(9)
	addis 4,0,.LC81@ha
	addi 4,4,.LC81@l
	b .L108
.L105:
	addis 9,0,decompress@ha
	lwz 0,decompress@l(9)
	cmpwi 1,0,0
	bc 4,6,.L79
	addis 10,0,bytes_in@ha
	addis 9,0,bytes_out@ha
	addis 11,0,header_bytes@ha
	lwz 3,bytes_out@l(9)
	lwz 0,header_bytes@l(11)
	subf 3,0,3
	lwz 4,bytes_in@l(10)
	addis 29,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(29)
	subf 3,3,4
	lwz 5,12(9)
	bl display_ratio
	lwz 9,_impure_ptr@l(29)
	lwz 3,12(9)
	addis 4,0,.LC61@ha
	addi 4,4,.LC61@l
.L108:
	crxor 6,6,6
	bl fprintf
.L79:
	lwz 0,52(1)
	mtlr 0
	lwz 22,8(1)
	lwz 23,12(1)
	lwz 24,16(1)
	lwz 25,20(1)
	lwz 26,24(1)
	lwz 27,28(1)
	lwz 28,32(1)
	lwz 29,36(1)
	lwz 30,40(1)
	lwz 31,44(1)
	addi 1,1,48
	blr
.Lfe6:
	.size	 treat_stdin,.Lfe6-treat_stdin
	.section	".rodata"
	.align 2
.LC82:
	.string	"-"
	.align 2
.LC83:
	.string	"%s: %s is a directory -- ignored\n"
	.align 2
.LC84:
	.string	"%s: %s is not a directory or a regular file - ignored\n"
	.align 2
.LC85:
	.string	"%s: %s has %d other link%c -- unchanged\n"
	.align 2
.LC86:
	.string	"%s: "
	.align 2
.LC87:
	.string	"%s: %s compressed to %s\n"
	.align 2
.LC88:
	.string	"%s:\t%s"
	.align 2
.LC89:
	.string	"\t"
	.align 2
.LC90:
	.string	"\t\t"
	.align 2
.LC91:
	.string	" OK"
	.align 2
.LC92:
	.string	" -- replaced with %s"
	.section ".text"
	.align 2
	.type	 treat_file,@function
treat_file:
	stwu 1,-48(1)
	mflr 0
	stw 22,8(1)
	stw 23,12(1)
	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 4,0,.LC82@ha
	addi 4,4,.LC82@l
	bl strcmp
	cmpwi 1,3,0
	bc 4,6,.L110
	addis 29,0,to_stdout@ha
	lwz 28,to_stdout@l(29)
	bl treat_stdin
	stw 28,to_stdout@l(29)
	b .L109
.L110:
	mr 3,29
	addis 29,0,istat@ha
	addi 4,29,istat@l
	bl get_istat
	cmpwi 1,3,0
	bc 4,6,.L109
	addi 9,29,istat@l
	lwz 0,4(9)
	rlwinm 0,0,0,16,19
	cmpwi 1,0,16384
	bc 4,6,.L112
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	cmpwi 1,0,0
	bc 4,6,.L119
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC83@ha
	addi 4,4,.LC83@l
	b .L163
.L112:
	addis 9,0,istat+4@ha
	lwz 0,istat+4@l(9)
	rlwinm 0,0,0,16,19
	li 9,0
	ori 9,9,32768
	cmpw 1,0,9
	bc 12,6,.L115
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	cmpwi 1,0,0
	bc 4,6,.L119
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	lwz 3,12(9)
	addis 4,0,.LC84@ha
	addi 4,4,.LC84@l
.L163:
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	crxor 6,6,6
	bl fprintf
	b .L119
.L115:
	addis 9,0,istat+8@ha
	lhz 7,istat+8@l(9)
	cmplwi 1,7,1
	bc 4,5,.L118
	addis 9,0,to_stdout@ha
	lwz 0,to_stdout@l(9)
	cmpwi 1,0,0
	bc 4,6,.L118
	addis 9,0,force@ha
	lwz 0,force@l(9)
	cmpwi 1,0,0
	bc 4,6,.L118
	addis 9,0,quiet@ha
	lwz 0,quiet@l(9)
	cmpwi 1,0,0
	bc 4,6,.L119
	addis 9,0,_impure_ptr@ha
	lwz 9,_impure_ptr@l(9)
	addis 11,0,progname@ha
	subfic 8,7,2
	subfe 8,8,8
	andi. 8,8,115
	lwz 3,12(9)
	addis 4,0,.LC85@ha
	addi 4,4,.LC85@l
	lwz 5,progname@l(11)
	addis 6,0,ifname@ha
	addi 6,6,ifname@l
	addi 7,7,-1
	ori 8,8,32
	crxor 6,6,6
	bl fprintf
.L119:
	addis 9,0,exit_code@ha
	lwz 0,exit_code@l(9)
	cmpwi 1,0,0
	bc 4,6,.L109
	li 0,2
	stw 0,exit_code@l(9)
	b .L109
.L118:
	addis 11,0,ifile_size@ha
	addis 9,0,istat+16@ha
	lwz 0,istat+16@l(9)
	stw 0,ifile_size@l(11)
	addis 9,0,time_stamp@ha
	addi 11,9,time_stamp@l
	addis 9,0,no_time@ha
	lwz 0,no_time@l(9)
	cmpwi 1,0,0
	bc 12,6,.L125