2.3-InternetRadio/nutos/nutbld/crt/open.lst

GAS LISTING /tmp/ccdqneNU.s 			page 1


   1               		.file	"open.c"
   2               	__SP_H__ = 0x3e
   3               	__SP_L__ = 0x3d
   4               	__SREG__ = 0x3f
   5               	__RAMPZ__ = 0x3b
   6               	__tmp_reg__ = 0
   7               	__zero_reg__ = 1
   8               		.section	.text._open,"ax",@progbits
   9               	.global	_open
  10               		.type	_open, @function
  11               	_open:
  12 0000 AF92      		push r10
  13 0002 BF92      		push r11
  14 0004 CF92      		push r12
  15 0006 DF92      		push r13
  16 0008 EF92      		push r14
  17 000a FF92      		push r15
  18 000c 0F93      		push r16
  19 000e 1F93      		push r17
  20 0010 CF93      		push r28
  21 0012 DF93      		push r29
  22 0014 CDB7      		in r28,__SP_L__
  23 0016 DEB7      		in r29,__SP_H__
  24 0018 2997      		sbiw r28,9
  25 001a 0FB6      		in __tmp_reg__,__SREG__
  26 001c F894      		cli
  27 001e DEBF      		out __SP_H__,r29
  28 0020 0FBE      		out __SREG__,__tmp_reg__
  29 0022 CDBF      		out __SP_L__,r28
  30               	/* prologue: function */
  31               	/* frame size = 9 */
  32               	/* stack size = 19 */
  33               	.L__stack_usage = 19
  34 0024 5B01      		movw r10,r22
  35 0026 FC01      		movw r30,r24
  36 0028 DE01      		movw r26,r28
  37 002a 1196      		adiw r26,1
  38 002c 90E0      		ldi r25,0
  39 002e AD01      		movw r20,r26
  40               	.L2:
  41 0030 6F01      		movw r12,r30
  42 0032 2191      		ld r18,Z+
  43 0034 2223      		tst r18
  44 0036 01F0      		breq .L3
  45 0038 2A33      		cpi r18,lo8(58)
  46 003a 01F0      		breq .L3
  47 003c 9830      		cpi r25,lo8(8)
  48 003e 01F0      		breq .L3
  49 0040 2D93      		st X+,r18
  50 0042 9F5F      		subi r25,lo8(-(1))
  51 0044 00C0      		rjmp .L2
  52               	.L3:
  53 0046 FA01      		movw r30,r20
  54 0048 E90F      		add r30,r25
  55 004a F11D      		adc r31,__zero_reg__
  56 004c 1082      		st Z,__zero_reg__
  57 004e CA01      		movw r24,r20
GAS LISTING /tmp/ccdqneNU.s 			page 2


  58 0050 0E94 0000 		call NutDeviceLookup
  59 0054 0097      		sbiw r24,0
  60 0056 01F4      		brne .L5
  61 0058 82E0      		ldi r24,lo8(2)
  62 005a 90E0      		ldi r25,0
  63 005c 00C0      		rjmp .L19
  64               	.L5:
  65 005e E0E0      		ldi r30,lo8(__fds)
  66 0060 F0E0      		ldi r31,hi8(__fds)
  67 0062 E12C      		mov r14,__zero_reg__
  68 0064 F12C      		mov r15,__zero_reg__
  69               	.L7:
  70 0066 2191      		ld r18,Z+
  71 0068 3191      		ld r19,Z+
  72 006a 232B      		or r18,r19
  73 006c 01F0      		breq .L22
  74 006e 2FEF      		ldi r18,-1
  75 0070 E21A      		sub r14,r18
  76 0072 F20A      		sbc r15,r18
  77 0074 A8E0      		ldi r26,8
  78 0076 EA16      		cp r14,r26
  79 0078 F104      		cpc r15,__zero_reg__
  80 007a 01F4      		brne .L7
  81 007c 88E1      		ldi r24,lo8(24)
  82 007e 90E0      		ldi r25,0
  83               	.L19:
  84 0080 9093 0000 		sts errno+1,r25
  85 0084 8093 0000 		sts errno,r24
  86               	.L20:
  87 0088 8FEF      		ldi r24,lo8(-1)
  88 008a 9FEF      		ldi r25,lo8(-1)
  89 008c 00C0      		rjmp .L6
  90               	.L22:
  91 008e 8701      		movw r16,r14
  92 0090 000F      		lsl r16
  93 0092 111F      		rol r17
  94 0094 F801      		movw r30,r16
  95 0096 E050      		subi r30,lo8(-(__fds))
  96 0098 F040      		sbci r31,hi8(-(__fds))
  97 009a 2FEF      		ldi r18,lo8(-1)
  98 009c 3FEF      		ldi r19,lo8(-1)
  99 009e 3183      		std Z+1,r19
 100 00a0 2083      		st Z,r18
 101 00a2 F601      		movw r30,r12
 102 00a4 2081      		ld r18,Z
 103 00a6 2A33      		cpi r18,lo8(58)
 104 00a8 01F4      		brne .L11
 105 00aa B601      		movw r22,r12
 106 00ac 6F5F      		subi r22,-1
 107 00ae 7F4F      		sbci r23,-1
 108 00b0 00C0      		rjmp .L9
 109               	.L11:
 110 00b2 60E0      		ldi r22,0
 111 00b4 70E0      		ldi r23,0
 112               	.L9:
 113 00b6 DC01      		movw r26,r24
 114 00b8 5D96      		adiw r26,29
GAS LISTING /tmp/ccdqneNU.s 			page 3


 115 00ba ED91      		ld r30,X+
 116 00bc FC91      		ld r31,X
 117 00be 5E97      		sbiw r26,29+1
 118 00c0 20E0      		ldi r18,0
 119 00c2 30E0      		ldi r19,0
 120 00c4 A501      		movw r20,r10
 121 00c6 1995      		eicall
 122 00c8 F801      		movw r30,r16
 123 00ca E050      		subi r30,lo8(-(__fds))
 124 00cc F040      		sbci r31,hi8(-(__fds))
 125 00ce 8F3F      		cpi r24,-1
 126 00d0 BFEF      		ldi r27,-1
 127 00d2 9B07      		cpc r25,r27
 128 00d4 01F4      		brne .L10
 129 00d6 1182      		std Z+1,__zero_reg__
 130 00d8 1082      		st Z,__zero_reg__
 131 00da 00C0      		rjmp .L20
 132               	.L10:
 133 00dc 9183      		std Z+1,r25
 134 00de 8083      		st Z,r24
 135 00e0 C701      		movw r24,r14
 136               	.L6:
 137               	/* epilogue start */
 138 00e2 2996      		adiw r28,9
 139 00e4 0FB6      		in __tmp_reg__,__SREG__
 140 00e6 F894      		cli
 141 00e8 DEBF      		out __SP_H__,r29
 142 00ea 0FBE      		out __SREG__,__tmp_reg__
 143 00ec CDBF      		out __SP_L__,r28
 144 00ee DF91      		pop r29
 145 00f0 CF91      		pop r28
 146 00f2 1F91      		pop r17
 147 00f4 0F91      		pop r16
 148 00f6 FF90      		pop r15
 149 00f8 EF90      		pop r14
 150 00fa DF90      		pop r13
 151 00fc CF90      		pop r12
 152 00fe BF90      		pop r11
 153 0100 AF90      		pop r10
 154 0102 0895      		ret
 155               		.size	_open, .-_open
 156               	.global	__fds
 157               		.section .bss
 158               		.type	__fds, @object
 159               		.size	__fds, 16
 160               	__fds:
 161 0000 0000 0000 		.zero	16
 161      0000 0000 
 161      0000 0000 
 161      0000 0000 
 162               		.ident	"GCC: (GNU) 5.3.0"
 163               	.global __do_clear_bss
GAS LISTING /tmp/ccdqneNU.s 			page 4


DEFINED SYMBOLS
                            *ABS*:0000000000000000 open.c
     /tmp/ccdqneNU.s:2      *ABS*:000000000000003e __SP_H__
     /tmp/ccdqneNU.s:3      *ABS*:000000000000003d __SP_L__
     /tmp/ccdqneNU.s:4      *ABS*:000000000000003f __SREG__
     /tmp/ccdqneNU.s:5      *ABS*:000000000000003b __RAMPZ__
     /tmp/ccdqneNU.s:6      *ABS*:0000000000000000 __tmp_reg__
     /tmp/ccdqneNU.s:7      *ABS*:0000000000000001 __zero_reg__
     /tmp/ccdqneNU.s:11     .text._open:0000000000000000 _open
     /tmp/ccdqneNU.s:160    .bss:0000000000000000 __fds

UNDEFINED SYMBOLS
NutDeviceLookup
errno
__do_clear_bss