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

GAS LISTING /tmp/ccIPO1XJ.s 			page 1


   1               		.file	"setenv.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	.rodata.str1.1,"aMS",@progbits,1
   9               	.LC0:
  10 0000 00        		.string	""
  11               		.section	.text.save_env,"ax",@progbits
  12               		.type	save_env, @function
  13               	save_env:
  14 0000 CF92      		push r12
  15 0002 DF92      		push r13
  16 0004 EF92      		push r14
  17 0006 FF92      		push r15
  18 0008 0F93      		push r16
  19 000a 1F93      		push r17
  20 000c CF93      		push r28
  21 000e DF93      		push r29
  22 0010 00D0      		rcall .
  23 0012 1F92      		push __zero_reg__
  24 0014 CDB7      		in r28,__SP_L__
  25 0016 DEB7      		in r29,__SP_H__
  26               	/* prologue: function */
  27               	/* frame size = 4 */
  28               	/* stack size = 12 */
  29               	.L__stack_usage = 12
  30 0018 8091 0000 		lds r24,nut_environ
  31 001c 9091 0000 		lds r25,nut_environ+1
  32 0020 892B      		or r24,r25
  33 0022 01F4      		brne .+2
  34 0024 00C0      		rjmp .L10
  35 0026 85E4      		ldi r24,lo8(69)
  36 0028 9EE4      		ldi r25,lo8(78)
  37 002a A6E5      		ldi r26,lo8(86)
  38 002c B0E0      		ldi r27,0
  39 002e 8983      		std Y+1,r24
  40 0030 9A83      		std Y+2,r25
  41 0032 AB83      		std Y+3,r26
  42 0034 BC83      		std Y+4,r27
  43 0036 44E0      		ldi r20,lo8(4)
  44 0038 50E0      		ldi r21,0
  45 003a BE01      		movw r22,r28
  46 003c 6F5F      		subi r22,-1
  47 003e 7F4F      		sbci r23,-1
  48 0040 80E0      		ldi r24,0
  49 0042 91E0      		ldi r25,lo8(1)
  50 0044 0E94 0000 		call NutNvMemSave
  51 0048 892B      		or r24,r25
  52 004a 01F0      		breq .+2
  53 004c 00C0      		rjmp .L10
  54 004e E090 0000 		lds r14,nut_environ
  55 0052 F090 0000 		lds r15,nut_environ+1
  56 0056 04E0      		ldi r16,lo8(4)
  57 0058 11E0      		ldi r17,lo8(1)
GAS LISTING /tmp/ccIPO1XJ.s 			page 2


  58               	.L4:
  59 005a E114      		cp r14,__zero_reg__
  60 005c F104      		cpc r15,__zero_reg__
  61 005e 01F0      		breq .L15
  62 0060 F701      		movw r30,r14
  63 0062 6481      		ldd r22,Z+4
  64 0064 7581      		ldd r23,Z+5
  65 0066 FB01      		movw r30,r22
  66               		0:
  67 0068 0190      		ld __tmp_reg__,Z+
  68 006a 0020      		tst __tmp_reg__
  69 006c 01F4      		brne 0b
  70 006e 6F01      		movw r12,r30
  71 0070 C61A      		sub r12,r22
  72 0072 D70A      		sbc r13,r23
  73 0074 A601      		movw r20,r12
  74 0076 C801      		movw r24,r16
  75 0078 0E94 0000 		call NutNvMemSave
  76 007c 0097      		sbiw r24,0
  77 007e 01F4      		brne .L12
  78 0080 0C0D      		add r16,r12
  79 0082 1D1D      		adc r17,r13
  80 0084 F701      		movw r30,r14
  81 0086 6681      		ldd r22,Z+6
  82 0088 7781      		ldd r23,Z+7
  83 008a 6115      		cp r22,__zero_reg__
  84 008c 7105      		cpc r23,__zero_reg__
  85 008e 01F0      		breq .L6
  86 0090 FB01      		movw r30,r22
  87               		0:
  88 0092 0190      		ld __tmp_reg__,Z+
  89 0094 0020      		tst __tmp_reg__
  90 0096 01F4      		brne 0b
  91 0098 6F01      		movw r12,r30
  92 009a C61A      		sub r12,r22
  93 009c D70A      		sbc r13,r23
  94 009e A601      		movw r20,r12
  95 00a0 C801      		movw r24,r16
  96 00a2 0E94 0000 		call NutNvMemSave
  97 00a6 0097      		sbiw r24,0
  98 00a8 01F0      		breq .L7
  99 00aa 00C0      		rjmp .L12
 100               	.L6:
 101 00ac 41E0      		ldi r20,lo8(1)
 102 00ae 50E0      		ldi r21,0
 103 00b0 60E0      		ldi r22,lo8(.LC0)
 104 00b2 70E0      		ldi r23,hi8(.LC0)
 105 00b4 C801      		movw r24,r16
 106 00b6 0E94 0000 		call NutNvMemSave
 107 00ba 0097      		sbiw r24,0
 108 00bc 01F4      		brne .L12
 109 00be CC24      		clr r12
 110 00c0 C394      		inc r12
 111 00c2 D12C      		mov r13,__zero_reg__
 112               	.L7:
 113 00c4 0C0D      		add r16,r12
 114 00c6 1D1D      		adc r17,r13
GAS LISTING /tmp/ccIPO1XJ.s 			page 3


 115 00c8 F701      		movw r30,r14
 116 00ca E080      		ld r14,Z
 117 00cc F180      		ldd r15,Z+1
 118 00ce 00C0      		rjmp .L4
 119               	.L10:
 120 00d0 80E0      		ldi r24,0
 121 00d2 90E0      		ldi r25,0
 122 00d4 00C0      		rjmp .L12
 123               	.L15:
 124 00d6 41E0      		ldi r20,lo8(1)
 125 00d8 50E0      		ldi r21,0
 126 00da 60E0      		ldi r22,lo8(.LC0)
 127 00dc 70E0      		ldi r23,hi8(.LC0)
 128 00de C801      		movw r24,r16
 129 00e0 0E94 0000 		call NutNvMemSave
 130               	.L12:
 131               	/* epilogue start */
 132 00e4 0F90      		pop __tmp_reg__
 133 00e6 0F90      		pop __tmp_reg__
 134 00e8 0F90      		pop __tmp_reg__
 135 00ea 0F90      		pop __tmp_reg__
 136 00ec DF91      		pop r29
 137 00ee CF91      		pop r28
 138 00f0 1F91      		pop r17
 139 00f2 0F91      		pop r16
 140 00f4 FF90      		pop r15
 141 00f6 EF90      		pop r14
 142 00f8 DF90      		pop r13
 143 00fa CF90      		pop r12
 144 00fc 0895      		ret
 145               		.size	save_env, .-save_env
 146               		.section	.text.setenv,"ax",@progbits
 147               	.global	setenv
 148               		.type	setenv, @function
 149               	setenv:
 150 0000 CF92      		push r12
 151 0002 DF92      		push r13
 152 0004 EF92      		push r14
 153 0006 FF92      		push r15
 154 0008 0F93      		push r16
 155 000a 1F93      		push r17
 156 000c CF93      		push r28
 157 000e DF93      		push r29
 158               	/* prologue: function */
 159               	/* frame size = 0 */
 160               	/* stack size = 8 */
 161               	.L__stack_usage = 8
 162 0010 8C01      		movw r16,r24
 163 0012 6B01      		movw r12,r22
 164 0014 7A01      		movw r14,r20
 165 0016 0E94 0000 		call findenv
 166 001a EC01      		movw r28,r24
 167 001c 892B      		or r24,r25
 168 001e 01F0      		breq .+2
 169 0020 00C0      		rjmp .L17
 170 0022 88E0      		ldi r24,lo8(8)
 171 0024 90E0      		ldi r25,0
GAS LISTING /tmp/ccIPO1XJ.s 			page 4


 172 0026 0E94 0000 		call malloc
 173 002a EC01      		movw r28,r24
 174 002c 892B      		or r24,r25
 175 002e 01F0      		breq .L48
 176 0030 88E0      		ldi r24,lo8(8)
 177 0032 DE01      		movw r26,r28
 178               		0:
 179 0034 1D92      		st X+,__zero_reg__
 180 0036 8A95      		dec r24
 181 0038 01F4      		brne 0b
 182 003a C801      		movw r24,r16
 183 003c 0E94 0000 		call strdup
 184 0040 7C01      		movw r14,r24
 185 0042 9D83      		std Y+5,r25
 186 0044 8C83      		std Y+4,r24
 187 0046 892B      		or r24,r25
 188 0048 01F4      		brne .L20
 189 004a CE01      		movw r24,r28
 190 004c 0E94 0000 		call free
 191               	.L48:
 192 0050 8FEF      		ldi r24,lo8(-1)
 193 0052 9FEF      		ldi r25,lo8(-1)
 194 0054 00C0      		rjmp .L44
 195               	.L20:
 196 0056 0091 0000 		lds r16,nut_environ
 197 005a 1091 0000 		lds r17,nut_environ+1
 198 005e E0E0      		ldi r30,0
 199 0060 F0E0      		ldi r31,0
 200               	.L21:
 201 0062 0115      		cp r16,__zero_reg__
 202 0064 1105      		cpc r17,__zero_reg__
 203 0066 01F0      		breq .L49
 204 0068 F801      		movw r30,r16
 205 006a 6481      		ldd r22,Z+4
 206 006c 7581      		ldd r23,Z+5
 207 006e C701      		movw r24,r14
 208 0070 0E94 0000 		call strcmp
 209 0074 97FF      		sbrs r25,7
 210 0076 00C0      		rjmp .L22
 211 0078 D801      		movw r26,r16
 212 007a 1296      		adiw r26,2
 213 007c ED91      		ld r30,X+
 214 007e FC91      		ld r31,X
 215 0080 1397      		sbiw r26,2+1
 216 0082 3097      		sbiw r30,0
 217 0084 01F0      		breq .L23
 218 0086 D183      		std Z+1,r29
 219 0088 C083      		st Z,r28
 220 008a 00C0      		rjmp .L24
 221               	.L23:
 222 008c D093 0000 		sts nut_environ+1,r29
 223 0090 C093 0000 		sts nut_environ,r28
 224               	.L24:
 225 0094 1983      		std Y+1,r17
 226 0096 0883      		st Y,r16
 227 0098 FB83      		std Y+3,r31
 228 009a EA83      		std Y+2,r30
GAS LISTING /tmp/ccIPO1XJ.s 			page 5


 229 009c F801      		movw r30,r16
 230 009e D383      		std Z+3,r29
 231 00a0 C283      		std Z+2,r28
 232 00a2 00C0      		rjmp .L25
 233               	.L22:
 234 00a4 F801      		movw r30,r16
 235 00a6 0081      		ld r16,Z
 236 00a8 1181      		ldd r17,Z+1
 237 00aa 00C0      		rjmp .L21
 238               	.L17:
 239 00ac EF28      		or r14,r15
 240 00ae 01F4      		brne .L25
 241               	.L30:
 242 00b0 80E0      		ldi r24,0
 243 00b2 90E0      		ldi r25,0
 244 00b4 00C0      		rjmp .L44
 245               	.L49:
 246 00b6 3097      		sbiw r30,0
 247 00b8 01F0      		breq .L50
 248 00ba D183      		std Z+1,r29
 249 00bc C083      		st Z,r28
 250 00be FB83      		std Y+3,r31
 251 00c0 EA83      		std Y+2,r30
 252               	.L25:
 253 00c2 0E81      		ldd r16,Y+6
 254 00c4 1F81      		ldd r17,Y+7
 255 00c6 0115      		cp r16,__zero_reg__
 256 00c8 1105      		cpc r17,__zero_reg__
 257 00ca 01F0      		breq .L29
 258 00cc B601      		movw r22,r12
 259 00ce C801      		movw r24,r16
 260 00d0 0E94 0000 		call strcmp
 261 00d4 892B      		or r24,r25
 262 00d6 01F0      		breq .L30
 263 00d8 C801      		movw r24,r16
 264 00da 0E94 0000 		call free
 265 00de 00C0      		rjmp .L29
 266               	.L50:
 267 00e0 D093 0000 		sts nut_environ+1,r29
 268 00e4 C093 0000 		sts nut_environ,r28
 269 00e8 00C0      		rjmp .L25
 270               	.L29:
 271 00ea C601      		movw r24,r12
 272 00ec 0E94 0000 		call strdup
 273 00f0 9F83      		std Y+7,r25
 274 00f2 8E83      		std Y+6,r24
 275 00f4 892B      		or r24,r25
 276 00f6 01F4      		brne .+2
 277 00f8 00C0      		rjmp .L48
 278               	/* epilogue start */
 279 00fa DF91      		pop r29
 280 00fc CF91      		pop r28
 281 00fe 1F91      		pop r17
 282 0100 0F91      		pop r16
 283 0102 FF90      		pop r15
 284 0104 EF90      		pop r14
 285 0106 DF90      		pop r13
GAS LISTING /tmp/ccIPO1XJ.s 			page 6


 286 0108 CF90      		pop r12
 287 010a 0C94 0000 		jmp save_env
 288               	.L44:
 289               	/* epilogue start */
 290 010e DF91      		pop r29
 291 0110 CF91      		pop r28
 292 0112 1F91      		pop r17
 293 0114 0F91      		pop r16
 294 0116 FF90      		pop r15
 295 0118 EF90      		pop r14
 296 011a DF90      		pop r13
 297 011c CF90      		pop r12
 298 011e 0895      		ret
 299               		.size	setenv, .-setenv
 300               		.section	.text.unsetenv,"ax",@progbits
 301               	.global	unsetenv
 302               		.type	unsetenv, @function
 303               	unsetenv:
 304 0000 CF93      		push r28
 305 0002 DF93      		push r29
 306               	/* prologue: function */
 307               	/* frame size = 0 */
 308               	/* stack size = 2 */
 309               	.L__stack_usage = 2
 310 0004 0E94 0000 		call findenv
 311 0008 EC01      		movw r28,r24
 312 000a 892B      		or r24,r25
 313 000c 01F4      		brne .L52
 314 000e 82E0      		ldi r24,lo8(2)
 315 0010 90E0      		ldi r25,0
 316 0012 9093 0000 		sts errno+1,r25
 317 0016 8093 0000 		sts errno,r24
 318               	/* epilogue start */
 319 001a DF91      		pop r29
 320 001c CF91      		pop r28
 321 001e 0895      		ret
 322               	.L52:
 323 0020 AA81      		ldd r26,Y+2
 324 0022 BB81      		ldd r27,Y+3
 325 0024 1097      		sbiw r26,0
 326 0026 01F0      		breq .L54
 327 0028 8881      		ld r24,Y
 328 002a 9981      		ldd r25,Y+1
 329 002c 1196      		adiw r26,1
 330 002e 9C93      		st X,r25
 331 0030 8E93      		st -X,r24
 332               	.L54:
 333 0032 E881      		ld r30,Y
 334 0034 F981      		ldd r31,Y+1
 335 0036 3097      		sbiw r30,0
 336 0038 01F0      		breq .L55
 337 003a B383      		std Z+3,r27
 338 003c A283      		std Z+2,r26
 339               	.L55:
 340 003e 8091 0000 		lds r24,nut_environ
 341 0042 9091 0000 		lds r25,nut_environ+1
 342 0046 C817      		cp r28,r24
GAS LISTING /tmp/ccIPO1XJ.s 			page 7


 343 0048 D907      		cpc r29,r25
 344 004a 01F4      		brne .L56
 345 004c F093 0000 		sts nut_environ+1,r31
 346 0050 E093 0000 		sts nut_environ,r30
 347               	.L56:
 348 0054 8C81      		ldd r24,Y+4
 349 0056 9D81      		ldd r25,Y+5
 350 0058 0E94 0000 		call free
 351 005c 8E81      		ldd r24,Y+6
 352 005e 9F81      		ldd r25,Y+7
 353 0060 0E94 0000 		call free
 354 0064 CE01      		movw r24,r28
 355 0066 0E94 0000 		call free
 356               	/* epilogue start */
 357 006a DF91      		pop r29
 358 006c CF91      		pop r28
 359 006e 0C94 0000 		jmp save_env
 360               		.size	unsetenv, .-unsetenv
 361               		.ident	"GCC: (GNU) 5.3.0"
 362               	.global __do_copy_data
GAS LISTING /tmp/ccIPO1XJ.s 			page 8


DEFINED SYMBOLS
                            *ABS*:0000000000000000 setenv.c
     /tmp/ccIPO1XJ.s:2      *ABS*:000000000000003e __SP_H__
     /tmp/ccIPO1XJ.s:3      *ABS*:000000000000003d __SP_L__
     /tmp/ccIPO1XJ.s:4      *ABS*:000000000000003f __SREG__
     /tmp/ccIPO1XJ.s:5      *ABS*:000000000000003b __RAMPZ__
     /tmp/ccIPO1XJ.s:6      *ABS*:0000000000000000 __tmp_reg__
     /tmp/ccIPO1XJ.s:7      *ABS*:0000000000000001 __zero_reg__
     /tmp/ccIPO1XJ.s:13     .text.save_env:0000000000000000 save_env
     /tmp/ccIPO1XJ.s:149    .text.setenv:0000000000000000 setenv
     /tmp/ccIPO1XJ.s:303    .text.unsetenv:0000000000000000 unsetenv

UNDEFINED SYMBOLS
nut_environ
NutNvMemSave
findenv
malloc
strdup
free
strcmp
errno
__do_copy_data