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

GAS LISTING /tmp/cc3EqpUM.s 			page 1


   1               		.file	"fopen.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.fopen,"ax",@progbits
   9               	.global	fopen
  10               		.type	fopen, @function
  11               	fopen:
  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               	/* prologue: function */
  23               	/* frame size = 0 */
  24               	/* stack size = 10 */
  25               	.L__stack_usage = 10
  26 0014 6C01      		movw r12,r24
  27 0016 CB01      		movw r24,r22
  28 0018 0E94 0000 		call _fmode
  29 001c 7C01      		movw r14,r24
  30 001e 0196      		adiw r24,1
  31 0020 01F0      		breq .L12
  32 0022 E0E0      		ldi r30,lo8(__iob)
  33 0024 F0E0      		ldi r31,hi8(__iob)
  34 0026 C0E0      		ldi r28,0
  35 0028 D0E0      		ldi r29,0
  36               	.L4:
  37 002a 0191      		ld r16,Z+
  38 002c 1191      		ld r17,Z+
  39 002e 0115      		cp r16,__zero_reg__
  40 0030 1105      		cpc r17,__zero_reg__
  41 0032 01F0      		breq .L14
  42 0034 2196      		adiw r28,1
  43 0036 C830      		cpi r28,8
  44 0038 D105      		cpc r29,__zero_reg__
  45 003a 01F4      		brne .L4
  46 003c 87E1      		ldi r24,lo8(23)
  47 003e 90E0      		ldi r25,0
  48 0040 9093 0000 		sts errno+1,r25
  49 0044 8093 0000 		sts errno,r24
  50               	.L12:
  51 0048 00E0      		ldi r16,0
  52 004a 10E0      		ldi r17,0
  53 004c 00C0      		rjmp .L3
  54               	.L14:
  55 004e 87E0      		ldi r24,lo8(7)
  56 0050 90E0      		ldi r25,0
  57 0052 0E94 0000 		call malloc
GAS LISTING /tmp/cc3EqpUM.s 			page 2


  58 0056 5C01      		movw r10,r24
  59 0058 CC0F      		lsl r28
  60 005a DD1F      		rol r29
  61 005c C050      		subi r28,lo8(-(__iob))
  62 005e D040      		sbci r29,hi8(-(__iob))
  63 0060 B982      		std Y+1,r11
  64 0062 A882      		st Y,r10
  65 0064 A114      		cp r10,__zero_reg__
  66 0066 B104      		cpc r11,__zero_reg__
  67 0068 01F0      		breq .L12
  68 006a B701      		movw r22,r14
  69 006c C601      		movw r24,r12
  70 006e 0E94 0000 		call _open
  71 0072 9C01      		movw r18,r24
  72 0074 F501      		movw r30,r10
  73 0076 9183      		std Z+1,r25
  74 0078 8083      		st Z,r24
  75 007a 8881      		ld r24,Y
  76 007c 9981      		ldd r25,Y+1
  77 007e 2F3F      		cpi r18,-1
  78 0080 3F4F      		sbci r19,-1
  79 0082 01F4      		brne .L7
  80 0084 0E94 0000 		call free
  81 0088 1982      		std Y+1,__zero_reg__
  82 008a 1882      		st Y,__zero_reg__
  83 008c 00C0      		rjmp .L3
  84               	.L7:
  85 008e 8C01      		movw r16,r24
  86 0090 F801      		movw r30,r16
  87 0092 F382      		std Z+3,r15
  88 0094 E282      		std Z+2,r14
  89 0096 1482      		std Z+4,__zero_reg__
  90 0098 1682      		std Z+6,__zero_reg__
  91 009a 1582      		std Z+5,__zero_reg__
  92               	.L3:
  93 009c C801      		movw r24,r16
  94               	/* epilogue start */
  95 009e DF91      		pop r29
  96 00a0 CF91      		pop r28
  97 00a2 1F91      		pop r17
  98 00a4 0F91      		pop r16
  99 00a6 FF90      		pop r15
 100 00a8 EF90      		pop r14
 101 00aa DF90      		pop r13
 102 00ac CF90      		pop r12
 103 00ae BF90      		pop r11
 104 00b0 AF90      		pop r10
 105 00b2 0895      		ret
 106               		.size	fopen, .-fopen
 107               	.global	__iob
 108               		.data
 109               		.type	__iob, @object
 110               		.size	__iob, 16
 111               	__iob:
 112 0000 0100      		.word	1
 113 0002 0200      		.word	2
 114 0004 0300      		.word	3
GAS LISTING /tmp/cc3EqpUM.s 			page 3


 115 0006 0000 0000 		.zero	10
 115      0000 0000 
 115      0000 
 116               		.ident	"GCC: (GNU) 5.3.0"
 117               	.global __do_copy_data
GAS LISTING /tmp/cc3EqpUM.s 			page 4


DEFINED SYMBOLS
                            *ABS*:0000000000000000 fopen.c
     /tmp/cc3EqpUM.s:2      *ABS*:000000000000003e __SP_H__
     /tmp/cc3EqpUM.s:3      *ABS*:000000000000003d __SP_L__
     /tmp/cc3EqpUM.s:4      *ABS*:000000000000003f __SREG__
     /tmp/cc3EqpUM.s:5      *ABS*:000000000000003b __RAMPZ__
     /tmp/cc3EqpUM.s:6      *ABS*:0000000000000000 __tmp_reg__
     /tmp/cc3EqpUM.s:7      *ABS*:0000000000000001 __zero_reg__
     /tmp/cc3EqpUM.s:11     .text.fopen:0000000000000000 fopen
     /tmp/cc3EqpUM.s:111    .data:0000000000000000 __iob

UNDEFINED SYMBOLS
_fmode
errno
malloc
_open
free
__do_copy_data