stdlib.lst

au1200下的boot代码

GAS LISTING /tmp/ccLTWmfM.s 			page 1


   1              		.section .mdebug.abi32
   2              		.previous
   3              		.section	.debug_abbrev,"",@progbits
   4              	$Ldebug_abbrev0:
   5              		.section	.debug_info,"",@progbits
   6              	$Ldebug_info0:
   7              		.section	.debug_line,"",@progbits
   8              	$Ldebug_line0:
   9 0000 57010000 		.text
   9      02006E00 
   9      00000101 
   9      FB0E0A00 
   9      01010101 
  10              	$Ltext0:
  11              		.align	2
  12              		.globl	putc
  13              		.ent	putc
  14              		.type	putc, @function
  15              	putc:
  16              	$LFB2:
  17              		.file 1 "/mnt/hgfs/boot/booter/source/stdlib.c"
   1:/mnt/hgfs/boot/booter/source/stdlib.c **** #include "example.h"
   2:/mnt/hgfs/boot/booter/source/stdlib.c **** 
   3:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
   4:/mnt/hgfs/boot/booter/source/stdlib.c **** void
   5:/mnt/hgfs/boot/booter/source/stdlib.c **** putc (int ch)
   6:/mnt/hgfs/boot/booter/source/stdlib.c **** {
  18              		.loc 1 6 0
  19              		.frame	$sp,24,$31		# vars= 0, regs= 1/0, args= 16, gp= 0
  20              		.mask	0x80000000,-8
  21              		.fmask	0x00000000,0
  22              		.set	noreorder
  23              		.set	nomacro
  24              		
  25 0000 E8FFBD27 		addiu	$sp,$sp,-24
  26              	$LCFI0:
   7:/mnt/hgfs/boot/booter/source/stdlib.c **** 	if (ch == '\n')
  27              		.loc 1 7 0
  28 0004 0A000224 		li	$2,10			# 0xa
  29              		.loc 1 6 0
  30              	$LCFI1:
  31              		.loc 1 7 0
  32 0008 04008210 		beq	$4,$2,$L5
  33 000c 1000BFAF 		sw	$31,16($sp)
  34              	
   8:/mnt/hgfs/boot/booter/source/stdlib.c **** 	{
   9:/mnt/hgfs/boot/booter/source/stdlib.c **** 		platformPutChar('\r');
  10:/mnt/hgfs/boot/booter/source/stdlib.c **** 		platformPutChar('\n');
  11:/mnt/hgfs/boot/booter/source/stdlib.c **** 	}
  12:/mnt/hgfs/boot/booter/source/stdlib.c **** 	else
  13:/mnt/hgfs/boot/booter/source/stdlib.c **** 		platformPutChar(ch);
  14:/mnt/hgfs/boot/booter/source/stdlib.c **** }
  35              		.loc 1 14 0
  36 0010 1000BF8F 		lw	$31,16($sp)
  37              		.loc 1 13 0
  38 0014 00000008 		j	platformPutChar
  39 0018 1800BD27 		addiu	$sp,$sp,24
GAS LISTING /tmp/ccLTWmfM.s 			page 2


  40              	
  41              	$L5:
  42              		.loc 1 9 0
  43 001c 0000000C 		jal	platformPutChar
  44 0020 0D000424 		li	$4,13			# 0xd
  45              	
  46              		.loc 1 14 0
  47 0024 1000BF8F 		lw	$31,16($sp)
  48              		.loc 1 10 0
  49 0028 0A000424 		li	$4,10			# 0xa
  50              		.loc 1 14 0
  51              		.loc 1 13 0
  52 002c 00000008 		j	platformPutChar
  53 0030 1800BD27 		addiu	$sp,$sp,24
  54              	
  55              		.set	macro
  56              		.set	reorder
  57              	$LFE2:
  58              		.end	putc
  59              		.align	2
  60              		.globl	kbhit
  61              		.ent	kbhit
  62              		.type	kbhit, @function
  63              	kbhit:
  64              	$LFB3:
  15:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  16:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  17:/mnt/hgfs/boot/booter/source/stdlib.c **** int
  18:/mnt/hgfs/boot/booter/source/stdlib.c **** kbhit (void)
  19:/mnt/hgfs/boot/booter/source/stdlib.c **** {
  65              		.loc 1 19 0
  66              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
  67              		.mask	0x00000000,0
  68              		.fmask	0x00000000,0
  69              		.set	noreorder
  70              		.set	nomacro
  71              		
  20:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return platformCheckChar();
  72              		.loc 1 20 0
  73 0034 00000008 		j	platformCheckChar
  74 0038 00000000 		nop
  75              	
  76              		.set	macro
  77              		.set	reorder
  78              	$LFE3:
  79              		.end	kbhit
  80              		.align	2
  81              		.globl	getc
  82              		.ent	getc
  83              		.type	getc, @function
  84              	getc:
  85              	$LFB4:
  21:/mnt/hgfs/boot/booter/source/stdlib.c **** }
  22:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  23:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  24:/mnt/hgfs/boot/booter/source/stdlib.c **** int
  25:/mnt/hgfs/boot/booter/source/stdlib.c **** getc (void)
GAS LISTING /tmp/ccLTWmfM.s 			page 3


  26:/mnt/hgfs/boot/booter/source/stdlib.c **** {
  86              		.loc 1 26 0
  87              		.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
  88              		.mask	0x80010000,-4
  89              		.fmask	0x00000000,0
  90              		.set	noreorder
  91              		.set	nomacro
  92              		
  93 003c E8FFBD27 		addiu	$sp,$sp,-24
  94              	$LCFI2:
  95 0040 1400BFAF 		sw	$31,20($sp)
  96              	$LCFI3:
  97              		.loc 1 26 0
  98              	$LCFI4:
  27:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int ch;
  28:/mnt/hgfs/boot/booter/source/stdlib.c **** 	
  29:/mnt/hgfs/boot/booter/source/stdlib.c **** 	ch = platformGetChar();
  99              		.loc 1 29 0
 100 0044 0000000C 		jal	platformGetChar
 101 0048 1000B0AF 		sw	$16,16($sp)
 102              	
 103 004c 21804000 		move	$16,$2
  30:/mnt/hgfs/boot/booter/source/stdlib.c **** 	putc(ch);
 104              		.loc 1 30 0
 105 0050 0000000C 		jal	putc
 106 0054 21204000 		move	$4,$2
 107              	
  31:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return ch;
  32:/mnt/hgfs/boot/booter/source/stdlib.c **** }
 108              		.loc 1 32 0
 109 0058 21100002 		move	$2,$16
 110 005c 1400BF8F 		lw	$31,20($sp)
 111 0060 1000B08F 		lw	$16,16($sp)
 112 0064 0800E003 		j	$31
 113 0068 1800BD27 		addiu	$sp,$sp,24
 114              	
 115              		.set	macro
 116              		.set	reorder
 117              	$LFE4:
 118              		.end	getc
 119              		.align	2
 120              		.globl	getc_noecho
 121              		.ent	getc_noecho
 122              		.type	getc_noecho, @function
 123              	getc_noecho:
 124              	$LFB5:
  33:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  34:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  35:/mnt/hgfs/boot/booter/source/stdlib.c **** int
  36:/mnt/hgfs/boot/booter/source/stdlib.c **** getc_noecho (void)
  37:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 125              		.loc 1 37 0
 126              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 127              		.mask	0x00000000,0
 128              		.fmask	0x00000000,0
 129              		.set	noreorder
 130              		.set	nomacro
GAS LISTING /tmp/ccLTWmfM.s 			page 4


 131              		
  38:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int ch;
  39:/mnt/hgfs/boot/booter/source/stdlib.c **** 	
  40:/mnt/hgfs/boot/booter/source/stdlib.c **** 	ch = platformGetChar();
 132              		.loc 1 40 0
 133 006c 00000008 		j	platformGetChar
 134 0070 00000000 		nop
 135              	
 136              		.set	macro
 137              		.set	reorder
 138              	$LFE5:
 139              		.end	getc_noecho
 140              		.align	2
 141              		.globl	puts
 142              		.ent	puts
 143              		.type	puts, @function
 144              	puts:
 145              	$LFB6:
  41:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return ch;
  42:/mnt/hgfs/boot/booter/source/stdlib.c **** }
  43:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  44:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  45:/mnt/hgfs/boot/booter/source/stdlib.c **** void
  46:/mnt/hgfs/boot/booter/source/stdlib.c **** puts (const char *s)
  47:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 146              		.loc 1 47 0
 147              		.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
 148              		.mask	0x80010000,-4
 149              		.fmask	0x00000000,0
 150              		.set	noreorder
 151              		.set	nomacro
 152              		
 153 0074 E8FFBD27 		addiu	$sp,$sp,-24
 154              	$LCFI5:
 155 0078 1000B0AF 		sw	$16,16($sp)
 156              	$LCFI6:
 157 007c 21808000 		move	$16,$4
 158              		.loc 1 47 0
 159              	$LCFI7:
 160 0080 24000008 		j	$L15
 161 0084 1400BFAF 		sw	$31,20($sp)
 162              	
 163              	$L16:
  48:/mnt/hgfs/boot/booter/source/stdlib.c **** 	while (*s)
  49:/mnt/hgfs/boot/booter/source/stdlib.c **** 	{
  50:/mnt/hgfs/boot/booter/source/stdlib.c **** 		putc(*s++);
 164              		.loc 1 50 0
 165 0088 0000000C 		jal	putc
 166 008c 01001026 		addiu	$16,$16,1
 167              	
 168              	$L15:
 169 0090 00000482 		lb	$4,0($16)
 170 0094 FCFF8014 		bne	$4,$0,$L16
 171 0098 1400BF8F 		lw	$31,20($sp)
 172              	
 173 009c 1000B08F 		lw	$16,16($sp)
 174 00a0 0800E003 		j	$31
GAS LISTING /tmp/ccLTWmfM.s 			page 5


 175 00a4 1800BD27 		addiu	$sp,$sp,24
 176              	
 177              		.set	macro
 178              		.set	reorder
 179              	$LFE6:
 180              		.end	puts
 181              		.section	.rodata.str1.4,"aMS",@progbits,1
 182              		.align	2
 183              	$LC0:
 184 0000 200800   		.ascii	" \b\000"
 185 0003 00       		.text
 186              		.align	2
 187              		.globl	gets
 188              		.ent	gets
 189              		.type	gets, @function
 190              	gets:
 191              	$LFB7:
  51:/mnt/hgfs/boot/booter/source/stdlib.c **** 	}
  52:/mnt/hgfs/boot/booter/source/stdlib.c **** }
  53:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  54:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  55:/mnt/hgfs/boot/booter/source/stdlib.c **** char *
  56:/mnt/hgfs/boot/booter/source/stdlib.c **** gets (char *s)
  57:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 192              		.loc 1 57 0
 193              		.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
 194              		.mask	0x803f0000,-8
 195              		.fmask	0x00000000,0
 196              		.set	noreorder
 197              		.set	nomacro
 198              		
 199 00a8 D0FFBD27 		addiu	$sp,$sp,-48
 200              	$LCFI8:
 201 00ac 2400B5AF 		sw	$21,36($sp)
 202              	$LCFI9:
 203 00b0 2000B4AF 		sw	$20,32($sp)
 204              	$LCFI10:
 205 00b4 1C00B3AF 		sw	$19,28($sp)
 206              	$LCFI11:
 207 00b8 1800B2AF 		sw	$18,24($sp)
 208              	$LCFI12:
 209 00bc 1400B1AF 		sw	$17,20($sp)
 210              	$LCFI13:
 211 00c0 21908000 		move	$18,$4
  58:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int i = 0;
 212              		.loc 1 58 0
 213 00c4 21880000 		move	$17,$0
 214 00c8 08001524 		li	$21,8			# 0x8
 215 00cc 0000143C 		lui	$20,%hi($LC0)
 216 00d0 0A001324 		li	$19,10			# 0xa
 217              		.loc 1 57 0
 218 00d4 2800BFAF 		sw	$31,40($sp)
 219              	$LCFI14:
 220              		.loc 1 57 0
 221              	$LCFI15:
 222 00d8 3B000008 		j	$L18
 223 00dc 1000B0AF 		sw	$16,16($sp)
GAS LISTING /tmp/ccLTWmfM.s 			page 6


 224              	
 225              	$L21:
  59:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int ch;
  60:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  61:/mnt/hgfs/boot/booter/source/stdlib.c **** 	do
  62:/mnt/hgfs/boot/booter/source/stdlib.c **** 	{
  63:/mnt/hgfs/boot/booter/source/stdlib.c **** 		ch = getc();
  64:/mnt/hgfs/boot/booter/source/stdlib.c **** 		if (ch == '\b')
  65:/mnt/hgfs/boot/booter/source/stdlib.c **** 		{
  66:/mnt/hgfs/boot/booter/source/stdlib.c **** 			if (i > 0)
  67:/mnt/hgfs/boot/booter/source/stdlib.c **** 				--i;
  68:/mnt/hgfs/boot/booter/source/stdlib.c **** 			puts(" \b");
  69:/mnt/hgfs/boot/booter/source/stdlib.c **** 		}
  70:/mnt/hgfs/boot/booter/source/stdlib.c **** 		else
  71:/mnt/hgfs/boot/booter/source/stdlib.c **** 		{
  72:/mnt/hgfs/boot/booter/source/stdlib.c **** 			s[i++] = ch;
 226              		.loc 1 72 0
 227 00e0 01003126 		addiu	$17,$17,1
  73:/mnt/hgfs/boot/booter/source/stdlib.c **** 		}
  74:/mnt/hgfs/boot/booter/source/stdlib.c **** 	} while (ch != '\n');
 228              		.loc 1 74 0
 229 00e4 0C001312 		beq	$16,$19,$L24
 230 00e8 000050A0 		sb	$16,0($2)
 231              	
 232              	$L18:
 233              		.loc 1 63 0
 234 00ec 0000000C 		jal	getc
 235 00f0 00000000 		nop
 236              	
 237 00f4 21804000 		move	$16,$2
 238              		.loc 1 67 0
 239 00f8 2A181100 		slt	$3,$0,$17
 240              		.loc 1 68 0
 241 00fc 00008426 		addiu	$4,$20,%lo($LC0)
 242              		.loc 1 72 0
 243              		.loc 1 64 0
 244 0100 F7FF1516 		bne	$16,$21,$L21
 245 0104 21103202 		addu	$2,$17,$18
 246              	
 247              		.loc 1 67 0
 248              		.loc 1 68 0