V9_PMU302_Bootloader/build/syscalls.lst

ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 1


   1              		.cpu cortex-m4
   2              		.arch armv7e-m
   3              		.fpu fpv4-sp-d16
   4              		.eabi_attribute 27, 1
   5              		.eabi_attribute 28, 1
   6              		.eabi_attribute 20, 1
   7              		.eabi_attribute 21, 1
   8              		.eabi_attribute 23, 3
   9              		.eabi_attribute 24, 1
  10              		.eabi_attribute 25, 1
  11              		.eabi_attribute 26, 1
  12              		.eabi_attribute 30, 2
  13              		.eabi_attribute 34, 1
  14              		.eabi_attribute 18, 4
  15              		.file	"syscalls.c"
  16              		.text
  17              	.Ltext0:
  18              		.cfi_sections	.debug_frame
  19              		.section	.text.initialise_monitor_handles,"ax",%progbits
  20              		.align	1
  21              		.p2align 2,,3
  22              		.global	initialise_monitor_handles
  23              		.syntax unified
  24              		.thumb
  25              		.thumb_func
  27              	initialise_monitor_handles:
  28              	.LFB25:
  29              		.file 1 "Core/Src/syscalls.c"
   1:Core/Src/syscalls.c **** /**
   2:Core/Src/syscalls.c ****  ******************************************************************************
   3:Core/Src/syscalls.c ****  * @file      syscalls.c
   4:Core/Src/syscalls.c ****  * @author    Auto-generated by STM32CubeMX
   5:Core/Src/syscalls.c ****  * @brief     Minimal System calls file
   6:Core/Src/syscalls.c ****  *
   7:Core/Src/syscalls.c ****  *            For more information about which c-functions
   8:Core/Src/syscalls.c ****  *            need which of these lowlevel functions
   9:Core/Src/syscalls.c ****  *            please consult the Newlib or Picolibc libc-manual
  10:Core/Src/syscalls.c ****  ******************************************************************************
  11:Core/Src/syscalls.c ****  * @attention
  12:Core/Src/syscalls.c ****  *
  13:Core/Src/syscalls.c ****  * Copyright (c) 2020-2025 STMicroelectronics.
  14:Core/Src/syscalls.c ****  * All rights reserved.
  15:Core/Src/syscalls.c ****  *
  16:Core/Src/syscalls.c ****  * This software is licensed under terms that can be found in the LICENSE file
  17:Core/Src/syscalls.c ****  * in the root directory of this software component.
  18:Core/Src/syscalls.c ****  * If no LICENSE file comes with this software, it is provided AS-IS.
  19:Core/Src/syscalls.c ****  *
  20:Core/Src/syscalls.c ****  ******************************************************************************
  21:Core/Src/syscalls.c ****  */
  22:Core/Src/syscalls.c **** 
  23:Core/Src/syscalls.c **** /* Includes */
  24:Core/Src/syscalls.c **** #include <sys/stat.h>
  25:Core/Src/syscalls.c **** #include <stdlib.h>
  26:Core/Src/syscalls.c **** #include <errno.h>
  27:Core/Src/syscalls.c **** #include <stdio.h>
  28:Core/Src/syscalls.c **** #include <signal.h>
  29:Core/Src/syscalls.c **** #include <time.h>
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 2


  30:Core/Src/syscalls.c **** #include <sys/time.h>
  31:Core/Src/syscalls.c **** #include <sys/times.h>
  32:Core/Src/syscalls.c **** 
  33:Core/Src/syscalls.c **** 
  34:Core/Src/syscalls.c **** /* Variables */
  35:Core/Src/syscalls.c **** extern int __io_putchar(int ch) __attribute__((weak));
  36:Core/Src/syscalls.c **** extern int __io_getchar(void) __attribute__((weak));
  37:Core/Src/syscalls.c **** 
  38:Core/Src/syscalls.c **** 
  39:Core/Src/syscalls.c **** char *__env[1] = { 0 };
  40:Core/Src/syscalls.c **** char **environ = __env;
  41:Core/Src/syscalls.c **** 
  42:Core/Src/syscalls.c **** 
  43:Core/Src/syscalls.c **** /* Functions */
  44:Core/Src/syscalls.c **** void initialise_monitor_handles()
  45:Core/Src/syscalls.c **** {
  30              		.loc 1 45 1 view -0
  31              		.cfi_startproc
  32              		@ args = 0, pretend = 0, frame = 0
  33              		@ frame_needed = 0, uses_anonymous_args = 0
  34              		@ link register save eliminated.
  46:Core/Src/syscalls.c **** }
  35              		.loc 1 46 1 view .LVU1
  36 0000 7047     		bx	lr
  37              		.cfi_endproc
  38              	.LFE25:
  40 0002 00BF     		.section	.text._getpid,"ax",%progbits
  41              		.align	1
  42              		.p2align 2,,3
  43              		.global	_getpid
  44              		.syntax unified
  45              		.thumb
  46              		.thumb_func
  48              	_getpid:
  49              	.LFB26:
  47:Core/Src/syscalls.c **** 
  48:Core/Src/syscalls.c **** int _getpid(void)
  49:Core/Src/syscalls.c **** {
  50              		.loc 1 49 1 view -0
  51              		.cfi_startproc
  52              		@ args = 0, pretend = 0, frame = 0
  53              		@ frame_needed = 0, uses_anonymous_args = 0
  54              		@ link register save eliminated.
  50:Core/Src/syscalls.c ****   return 1;
  55              		.loc 1 50 3 view .LVU3
  51:Core/Src/syscalls.c **** }
  56              		.loc 1 51 1 is_stmt 0 view .LVU4
  57 0000 0120     		movs	r0, #1
  58 0002 7047     		bx	lr
  59              		.cfi_endproc
  60              	.LFE26:
  62              		.section	.text._kill,"ax",%progbits
  63              		.align	1
  64              		.p2align 2,,3
  65              		.global	_kill
  66              		.syntax unified
  67              		.thumb
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 3


  68              		.thumb_func
  70              	_kill:
  71              	.LVL0:
  72              	.LFB27:
  52:Core/Src/syscalls.c **** 
  53:Core/Src/syscalls.c **** int _kill(int pid, int sig)
  54:Core/Src/syscalls.c **** {
  73              		.loc 1 54 1 is_stmt 1 view -0
  74              		.cfi_startproc
  75              		@ args = 0, pretend = 0, frame = 0
  76              		@ frame_needed = 0, uses_anonymous_args = 0
  55:Core/Src/syscalls.c ****   (void)pid;
  77              		.loc 1 55 3 view .LVU6
  56:Core/Src/syscalls.c ****   (void)sig;
  78              		.loc 1 56 3 view .LVU7
  57:Core/Src/syscalls.c ****   errno = EINVAL;
  79              		.loc 1 57 3 view .LVU8
  54:Core/Src/syscalls.c ****   (void)pid;
  80              		.loc 1 54 1 is_stmt 0 view .LVU9
  81 0000 08B5     		push	{r3, lr}
  82              	.LCFI0:
  83              		.cfi_def_cfa_offset 8
  84              		.cfi_offset 3, -8
  85              		.cfi_offset 14, -4
  86              		.loc 1 57 3 view .LVU10
  87 0002 FFF7FEFF 		bl	__errno
  88              	.LVL1:
  89              		.loc 1 57 9 view .LVU11
  90 0006 1623     		movs	r3, #22
  91 0008 0360     		str	r3, [r0]
  58:Core/Src/syscalls.c ****   return -1;
  92              		.loc 1 58 3 is_stmt 1 view .LVU12
  59:Core/Src/syscalls.c **** }
  93              		.loc 1 59 1 is_stmt 0 view .LVU13
  94 000a 4FF0FF30 		mov	r0, #-1
  95 000e 08BD     		pop	{r3, pc}
  96              		.cfi_endproc
  97              	.LFE27:
  99              		.section	.text._exit,"ax",%progbits
 100              		.align	1
 101              		.p2align 2,,3
 102              		.global	_exit
 103              		.syntax unified
 104              		.thumb
 105              		.thumb_func
 107              	_exit:
 108              	.LVL2:
 109              	.LFB28:
  60:Core/Src/syscalls.c **** 
  61:Core/Src/syscalls.c **** void _exit (int status)
  62:Core/Src/syscalls.c **** {
 110              		.loc 1 62 1 is_stmt 1 view -0
 111              		.cfi_startproc
 112              		@ Volatile: function does not return.
 113              		@ args = 0, pretend = 0, frame = 0
 114              		@ frame_needed = 0, uses_anonymous_args = 0
  63:Core/Src/syscalls.c ****   _kill(status, -1);
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 4


 115              		.loc 1 63 3 view .LVU15
 116              	.LBB4:
 117              	.LBI4:
  53:Core/Src/syscalls.c **** {
 118              		.loc 1 53 5 view .LVU16
 119              	.LBB5:
  55:Core/Src/syscalls.c ****   (void)sig;
 120              		.loc 1 55 3 view .LVU17
  56:Core/Src/syscalls.c ****   errno = EINVAL;
 121              		.loc 1 56 3 view .LVU18
  57:Core/Src/syscalls.c ****   return -1;
 122              		.loc 1 57 3 view .LVU19
 123              	.LBE5:
 124              	.LBE4:
  62:Core/Src/syscalls.c ****   _kill(status, -1);
 125              		.loc 1 62 1 is_stmt 0 view .LVU20
 126 0000 08B5     		push	{r3, lr}
 127              	.LCFI1:
 128              		.cfi_def_cfa_offset 8
 129              		.cfi_offset 3, -8
 130              		.cfi_offset 14, -4
 131              	.LBB7:
 132              	.LBB6:
  57:Core/Src/syscalls.c ****   return -1;
 133              		.loc 1 57 3 view .LVU21
 134 0002 FFF7FEFF 		bl	__errno
 135              	.LVL3:
  57:Core/Src/syscalls.c ****   return -1;
 136              		.loc 1 57 9 view .LVU22
 137 0006 1623     		movs	r3, #22
 138 0008 0360     		str	r3, [r0]
  58:Core/Src/syscalls.c **** }
 139              		.loc 1 58 3 is_stmt 1 view .LVU23
 140              	.LVL4:
 141              	.L7:
  58:Core/Src/syscalls.c **** }
 142              		.loc 1 58 3 is_stmt 0 view .LVU24
 143              	.LBE6:
 144              	.LBE7:
  64:Core/Src/syscalls.c ****   while (1) {}    /* Make sure we hang here */
 145              		.loc 1 64 3 is_stmt 1 discriminator 1 view .LVU25
 146              		.loc 1 64 14 discriminator 1 view .LVU26
 147              		.loc 1 64 9 discriminator 1 view .LVU27
 148              		.loc 1 64 3 discriminator 1 view .LVU28
 149              		.loc 1 64 14 discriminator 1 view .LVU29
 150              		.loc 1 64 9 discriminator 1 view .LVU30
 151 000a FEE7     		b	.L7
 152              		.cfi_endproc
 153              	.LFE28:
 155              		.section	.text._read,"ax",%progbits
 156              		.align	1
 157              		.p2align 2,,3
 158              		.weak	_read
 159              		.syntax unified
 160              		.thumb
 161              		.thumb_func
 163              	_read:
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 5


 164              	.LVL5:
 165              	.LFB29:
  65:Core/Src/syscalls.c **** }
  66:Core/Src/syscalls.c **** 
  67:Core/Src/syscalls.c **** __attribute__((weak)) int _read(int file, char *ptr, int len)
  68:Core/Src/syscalls.c **** {
 166              		.loc 1 68 1 view -0
 167              		.cfi_startproc
 168              		@ args = 0, pretend = 0, frame = 0
 169              		@ frame_needed = 0, uses_anonymous_args = 0
  69:Core/Src/syscalls.c ****   (void)file;
 170              		.loc 1 69 3 view .LVU32
  70:Core/Src/syscalls.c ****   int DataIdx;
 171              		.loc 1 70 3 view .LVU33
  71:Core/Src/syscalls.c **** 
  72:Core/Src/syscalls.c ****   for (DataIdx = 0; DataIdx < len; DataIdx++)
 172              		.loc 1 72 3 view .LVU34
 173              		.loc 1 72 21 view .LVU35
  68:Core/Src/syscalls.c ****   (void)file;
 174              		.loc 1 68 1 is_stmt 0 view .LVU36
 175 0000 70B5     		push	{r4, r5, r6, lr}
 176              	.LCFI2:
 177              		.cfi_def_cfa_offset 16
 178              		.cfi_offset 4, -16
 179              		.cfi_offset 5, -12
 180              		.cfi_offset 6, -8
 181              		.cfi_offset 14, -4
 182              		.loc 1 72 3 view .LVU37
 183 0002 161E     		subs	r6, r2, #0
 184 0004 07DD     		ble	.L10
 185 0006 0C46     		mov	r4, r1
 186 0008 8D19     		adds	r5, r1, r6
 187              	.LVL6:
 188              	.L11:
  73:Core/Src/syscalls.c ****   {
  74:Core/Src/syscalls.c ****     *ptr++ = __io_getchar();
 189              		.loc 1 74 5 is_stmt 1 discriminator 3 view .LVU38
 190              		.loc 1 74 14 is_stmt 0 discriminator 3 view .LVU39
 191 000a FFF7FEFF 		bl	__io_getchar
 192              	.LVL7:
 193              		.loc 1 74 12 discriminator 3 view .LVU40
 194 000e 04F8010B 		strb	r0, [r4], #1
 195              	.LVL8:
  72:Core/Src/syscalls.c ****   {
 196              		.loc 1 72 36 is_stmt 1 discriminator 3 view .LVU41
  72:Core/Src/syscalls.c ****   {
 197              		.loc 1 72 21 discriminator 3 view .LVU42
  72:Core/Src/syscalls.c ****   {
 198              		.loc 1 72 3 is_stmt 0 discriminator 3 view .LVU43
 199 0012 A542     		cmp	r5, r4
 200 0014 F9D1     		bne	.L11
 201              	.LVL9:
 202              	.L10:
  75:Core/Src/syscalls.c ****   }
  76:Core/Src/syscalls.c **** 
  77:Core/Src/syscalls.c ****   return len;
 203              		.loc 1 77 3 is_stmt 1 view .LVU44
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 6


  78:Core/Src/syscalls.c **** }
 204              		.loc 1 78 1 is_stmt 0 view .LVU45
 205 0016 3046     		mov	r0, r6
 206 0018 70BD     		pop	{r4, r5, r6, pc}
 207              		.loc 1 78 1 view .LVU46
 208              		.cfi_endproc
 209              	.LFE29:
 211 001a 00BF     		.section	.text._write,"ax",%progbits
 212              		.align	1
 213              		.p2align 2,,3
 214              		.weak	_write
 215              		.syntax unified
 216              		.thumb
 217              		.thumb_func
 219              	_write:
 220              	.LVL10:
 221              	.LFB30:
  79:Core/Src/syscalls.c **** 
  80:Core/Src/syscalls.c **** __attribute__((weak)) int _write(int file, char *ptr, int len)
  81:Core/Src/syscalls.c **** {
 222              		.loc 1 81 1 is_stmt 1 view -0
 223              		.cfi_startproc
 224              		@ args = 0, pretend = 0, frame = 0
 225              		@ frame_needed = 0, uses_anonymous_args = 0
  82:Core/Src/syscalls.c ****   (void)file;
 226              		.loc 1 82 3 view .LVU48
  83:Core/Src/syscalls.c ****   int DataIdx;
 227              		.loc 1 83 3 view .LVU49
  84:Core/Src/syscalls.c **** 
  85:Core/Src/syscalls.c ****   for (DataIdx = 0; DataIdx < len; DataIdx++)
 228              		.loc 1 85 3 view .LVU50
 229              		.loc 1 85 21 view .LVU51
  81:Core/Src/syscalls.c ****   (void)file;
 230              		.loc 1 81 1 is_stmt 0 view .LVU52
 231 0000 70B5     		push	{r4, r5, r6, lr}
 232              	.LCFI3:
 233              		.cfi_def_cfa_offset 16
 234              		.cfi_offset 4, -16
 235              		.cfi_offset 5, -12
 236              		.cfi_offset 6, -8
 237              		.cfi_offset 14, -4
 238              		.loc 1 85 3 view .LVU53
 239 0002 161E     		subs	r6, r2, #0
 240 0004 07DD     		ble	.L15
 241 0006 0C46     		mov	r4, r1
 242 0008 8D19     		adds	r5, r1, r6
 243              	.LVL11:
 244              	.L16:
  86:Core/Src/syscalls.c ****   {
  87:Core/Src/syscalls.c ****     __io_putchar(*ptr++);
 245              		.loc 1 87 5 is_stmt 1 discriminator 3 view .LVU54
 246              		.loc 1 87 5 is_stmt 0 discriminator 3 view .LVU55
 247 000a 14F8010B 		ldrb	r0, [r4], #1	@ zero_extendqisi2
 248              	.LVL12:
 249              		.loc 1 87 5 discriminator 3 view .LVU56
 250 000e FFF7FEFF 		bl	__io_putchar
 251              	.LVL13:
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 7


  85:Core/Src/syscalls.c ****   {
 252              		.loc 1 85 36 is_stmt 1 discriminator 3 view .LVU57
  85:Core/Src/syscalls.c ****   {
 253              		.loc 1 85 21 discriminator 3 view .LVU58
  85:Core/Src/syscalls.c ****   {
 254              		.loc 1 85 3 is_stmt 0 discriminator 3 view .LVU59
 255 0012 A542     		cmp	r5, r4
 256 0014 F9D1     		bne	.L16
 257              	.LVL14:
 258              	.L15:
  88:Core/Src/syscalls.c ****   }
  89:Core/Src/syscalls.c ****   return len;
 259              		.loc 1 89 3 is_stmt 1 view .LVU60
  90:Core/Src/syscalls.c **** }
 260              		.loc 1 90 1 is_stmt 0 view .LVU61
 261 0016 3046     		mov	r0, r6
 262 0018 70BD     		pop	{r4, r5, r6, pc}
 263              		.loc 1 90 1 view .LVU62
 264              		.cfi_endproc
 265              	.LFE30:
 267 001a 00BF     		.section	.text._close,"ax",%progbits
 268              		.align	1
 269              		.p2align 2,,3
 270              		.global	_close
 271              		.syntax unified
 272              		.thumb
 273              		.thumb_func
 275              	_close:
 276              	.LVL15:
 277              	.LFB31:
  91:Core/Src/syscalls.c **** 
  92:Core/Src/syscalls.c **** int _close(int file)
  93:Core/Src/syscalls.c **** {
 278              		.loc 1 93 1 is_stmt 1 view -0
 279              		.cfi_startproc
 280              		@ args = 0, pretend = 0, frame = 0
 281              		@ frame_needed = 0, uses_anonymous_args = 0
 282              		@ link register save eliminated.
  94:Core/Src/syscalls.c ****   (void)file;
 283              		.loc 1 94 3 view .LVU64
  95:Core/Src/syscalls.c ****   return -1;
 284              		.loc 1 95 3 view .LVU65
  96:Core/Src/syscalls.c **** }
 285              		.loc 1 96 1 is_stmt 0 view .LVU66
 286 0000 4FF0FF30 		mov	r0, #-1
 287              	.LVL16:
 288              		.loc 1 96 1 view .LVU67
 289 0004 7047     		bx	lr
 290              		.cfi_endproc
 291              	.LFE31:
 293 0006 00BF     		.section	.text._fstat,"ax",%progbits
 294              		.align	1
 295              		.p2align 2,,3
 296              		.global	_fstat
 297              		.syntax unified
 298              		.thumb
 299              		.thumb_func
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 8


 301              	_fstat:
 302              	.LVL17:
 303              	.LFB32:
  97:Core/Src/syscalls.c **** 
  98:Core/Src/syscalls.c **** 
  99:Core/Src/syscalls.c **** int _fstat(int file, struct stat *st)
 100:Core/Src/syscalls.c **** {
 304              		.loc 1 100 1 is_stmt 1 view -0
 305              		.cfi_startproc
 306              		@ args = 0, pretend = 0, frame = 0
 307              		@ frame_needed = 0, uses_anonymous_args = 0
 308              		@ link register save eliminated.
 101:Core/Src/syscalls.c ****   (void)file;
 309              		.loc 1 101 3 view .LVU69
 102:Core/Src/syscalls.c ****   st->st_mode = S_IFCHR;
 310              		.loc 1 102 3 view .LVU70
 311              		.loc 1 102 15 is_stmt 0 view .LVU71
 312 0000 4FF40053 		mov	r3, #8192
 313 0004 4B60     		str	r3, [r1, #4]
 103:Core/Src/syscalls.c ****   return 0;
 314              		.loc 1 103 3 is_stmt 1 view .LVU72
 104:Core/Src/syscalls.c **** }
 315              		.loc 1 104 1 is_stmt 0 view .LVU73
 316 0006 0020     		movs	r0, #0
 317              	.LVL18:
 318              		.loc 1 104 1 view .LVU74
 319 0008 7047     		bx	lr
 320              		.cfi_endproc
 321              	.LFE32:
 323 000a 00BF     		.section	.text._isatty,"ax",%progbits
 324              		.align	1
 325              		.p2align 2,,3
 326              		.global	_isatty
 327              		.syntax unified
 328              		.thumb
 329              		.thumb_func
 331              	_isatty:
 332              	.LVL19:
 333              	.LFB33:
 105:Core/Src/syscalls.c **** 
 106:Core/Src/syscalls.c **** int _isatty(int file)
 107:Core/Src/syscalls.c **** {
 334              		.loc 1 107 1 is_stmt 1 view -0
 335              		.cfi_startproc
 336              		@ args = 0, pretend = 0, frame = 0
 337              		@ frame_needed = 0, uses_anonymous_args = 0
 338              		@ link register save eliminated.
 108:Core/Src/syscalls.c ****   (void)file;
 339              		.loc 1 108 3 view .LVU76
 109:Core/Src/syscalls.c ****   return 1;
 340              		.loc 1 109 3 view .LVU77
 110:Core/Src/syscalls.c **** }
 341              		.loc 1 110 1 is_stmt 0 view .LVU78
 342 0000 0120     		movs	r0, #1
 343              	.LVL20:
 344              		.loc 1 110 1 view .LVU79
 345 0002 7047     		bx	lr
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 9


 346              		.cfi_endproc
 347              	.LFE33:
 349              		.section	.text._lseek,"ax",%progbits
 350              		.align	1
 351              		.p2align 2,,3
 352              		.global	_lseek
 353              		.syntax unified
 354              		.thumb
 355              		.thumb_func
 357              	_lseek:
 358              	.LVL21:
 359              	.LFB34:
 111:Core/Src/syscalls.c **** 
 112:Core/Src/syscalls.c **** int _lseek(int file, int ptr, int dir)
 113:Core/Src/syscalls.c **** {
 360              		.loc 1 113 1 is_stmt 1 view -0
 361              		.cfi_startproc
 362              		@ args = 0, pretend = 0, frame = 0
 363              		@ frame_needed = 0, uses_anonymous_args = 0
 364              		@ link register save eliminated.
 114:Core/Src/syscalls.c ****   (void)file;
 365              		.loc 1 114 3 view .LVU81
 115:Core/Src/syscalls.c ****   (void)ptr;
 366              		.loc 1 115 3 view .LVU82
 116:Core/Src/syscalls.c ****   (void)dir;
 367              		.loc 1 116 3 view .LVU83
 117:Core/Src/syscalls.c ****   return 0;
 368              		.loc 1 117 3 view .LVU84
 118:Core/Src/syscalls.c **** }
 369              		.loc 1 118 1 is_stmt 0 view .LVU85
 370 0000 0020     		movs	r0, #0
 371              	.LVL22:
 372              		.loc 1 118 1 view .LVU86
 373 0002 7047     		bx	lr
 374              		.cfi_endproc
 375              	.LFE34:
 377              		.section	.text._open,"ax",%progbits
 378              		.align	1
 379              		.p2align 2,,3
 380              		.global	_open
 381              		.syntax unified
 382              		.thumb
 383              		.thumb_func
 385              	_open:
 386              	.LVL23:
 387              	.LFB35:
 119:Core/Src/syscalls.c **** 
 120:Core/Src/syscalls.c **** int _open(char *path, int flags, ...)
 121:Core/Src/syscalls.c **** {
 388              		.loc 1 121 1 is_stmt 1 view -0
 389              		.cfi_startproc
 390              		@ args = 4, pretend = 12, frame = 0
 391              		@ frame_needed = 0, uses_anonymous_args = 1
 392              		@ link register save eliminated.
 122:Core/Src/syscalls.c ****   (void)path;
 393              		.loc 1 122 3 view .LVU88
 123:Core/Src/syscalls.c ****   (void)flags;
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 10


 394              		.loc 1 123 3 view .LVU89
 124:Core/Src/syscalls.c ****   /* Pretend like we always fail */
 125:Core/Src/syscalls.c ****   return -1;
 395              		.loc 1 125 3 view .LVU90
 121:Core/Src/syscalls.c ****   (void)path;
 396              		.loc 1 121 1 is_stmt 0 view .LVU91
 397 0000 0EB4     		push	{r1, r2, r3}
 398              	.LCFI4:
 399              		.cfi_def_cfa_offset 12
 400              		.cfi_offset 1, -12
 401              		.cfi_offset 2, -8
 402              		.cfi_offset 3, -4
 126:Core/Src/syscalls.c **** }
 403              		.loc 1 126 1 view .LVU92
 404 0002 4FF0FF30 		mov	r0, #-1
 405              	.LVL24:
 406              		.loc 1 126 1 view .LVU93
 407 0006 03B0     		add	sp, sp, #12
 408              	.LCFI5:
 409              		.cfi_restore 3
 410              		.cfi_restore 2
 411              		.cfi_restore 1
 412              		.cfi_def_cfa_offset 0
 413 0008 7047     		bx	lr
 414              		.cfi_endproc
 415              	.LFE35:
 417 000a 00BF     		.section	.text._wait,"ax",%progbits
 418              		.align	1
 419              		.p2align 2,,3
 420              		.global	_wait
 421              		.syntax unified
 422              		.thumb
 423              		.thumb_func
 425              	_wait:
 426              	.LVL25:
 427              	.LFB36:
 127:Core/Src/syscalls.c **** 
 128:Core/Src/syscalls.c **** int _wait(int *status)
 129:Core/Src/syscalls.c **** {
 428              		.loc 1 129 1 is_stmt 1 view -0
 429              		.cfi_startproc
 430              		@ args = 0, pretend = 0, frame = 0
 431              		@ frame_needed = 0, uses_anonymous_args = 0
 130:Core/Src/syscalls.c ****   (void)status;
 432              		.loc 1 130 3 view .LVU95
 131:Core/Src/syscalls.c ****   errno = ECHILD;
 433              		.loc 1 131 3 view .LVU96
 129:Core/Src/syscalls.c ****   (void)status;
 434              		.loc 1 129 1 is_stmt 0 view .LVU97
 435 0000 08B5     		push	{r3, lr}
 436              	.LCFI6:
 437              		.cfi_def_cfa_offset 8
 438              		.cfi_offset 3, -8
 439              		.cfi_offset 14, -4
 440              		.loc 1 131 3 view .LVU98
 441 0002 FFF7FEFF 		bl	__errno
 442              	.LVL26:
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 11


 443              		.loc 1 131 9 view .LVU99
 444 0006 0A23     		movs	r3, #10
 445 0008 0360     		str	r3, [r0]
 132:Core/Src/syscalls.c ****   return -1;
 446              		.loc 1 132 3 is_stmt 1 view .LVU100
 133:Core/Src/syscalls.c **** }
 447              		.loc 1 133 1 is_stmt 0 view .LVU101
 448 000a 4FF0FF30 		mov	r0, #-1
 449 000e 08BD     		pop	{r3, pc}
 450              		.cfi_endproc
 451              	.LFE36:
 453              		.section	.text._unlink,"ax",%progbits
 454              		.align	1
 455              		.p2align 2,,3
 456              		.global	_unlink
 457              		.syntax unified
 458              		.thumb
 459              		.thumb_func
 461              	_unlink:
 462              	.LVL27:
 463              	.LFB37:
 134:Core/Src/syscalls.c **** 
 135:Core/Src/syscalls.c **** int _unlink(char *name)
 136:Core/Src/syscalls.c **** {
 464              		.loc 1 136 1 is_stmt 1 view -0
 465              		.cfi_startproc
 466              		@ args = 0, pretend = 0, frame = 0
 467              		@ frame_needed = 0, uses_anonymous_args = 0
 137:Core/Src/syscalls.c ****   (void)name;
 468              		.loc 1 137 3 view .LVU103
 138:Core/Src/syscalls.c ****   errno = ENOENT;
 469              		.loc 1 138 3 view .LVU104
 136:Core/Src/syscalls.c ****   (void)name;
 470              		.loc 1 136 1 is_stmt 0 view .LVU105
 471 0000 08B5     		push	{r3, lr}
 472              	.LCFI7:
 473              		.cfi_def_cfa_offset 8
 474              		.cfi_offset 3, -8
 475              		.cfi_offset 14, -4
 476              		.loc 1 138 3 view .LVU106
 477 0002 FFF7FEFF 		bl	__errno
 478              	.LVL28:
 479              		.loc 1 138 9 view .LVU107
 480 0006 0223     		movs	r3, #2
 481 0008 0360     		str	r3, [r0]
 139:Core/Src/syscalls.c ****   return -1;
 482              		.loc 1 139 3 is_stmt 1 view .LVU108
 140:Core/Src/syscalls.c **** }
 483              		.loc 1 140 1 is_stmt 0 view .LVU109
 484 000a 4FF0FF30 		mov	r0, #-1
 485 000e 08BD     		pop	{r3, pc}
 486              		.cfi_endproc
 487              	.LFE37:
 489              		.section	.text._times,"ax",%progbits
 490              		.align	1
 491              		.p2align 2,,3
 492              		.global	_times
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 12


 493              		.syntax unified
 494              		.thumb
 495              		.thumb_func
 497              	_times:
 498              	.LVL29:
 499              	.LFB38:
 141:Core/Src/syscalls.c **** 
 142:Core/Src/syscalls.c **** clock_t _times(struct tms *buf)
 143:Core/Src/syscalls.c **** {
 500              		.loc 1 143 1 is_stmt 1 view -0
 501              		.cfi_startproc
 502              		@ args = 0, pretend = 0, frame = 0
 503              		@ frame_needed = 0, uses_anonymous_args = 0
 504              		@ link register save eliminated.
 144:Core/Src/syscalls.c ****   (void)buf;
 505              		.loc 1 144 3 view .LVU111
 145:Core/Src/syscalls.c ****   return -1;
 506              		.loc 1 145 3 view .LVU112
 146:Core/Src/syscalls.c **** }
 507              		.loc 1 146 1 is_stmt 0 view .LVU113
 508 0000 4FF0FF30 		mov	r0, #-1
 509              	.LVL30:
 510              		.loc 1 146 1 view .LVU114
 511 0004 7047     		bx	lr
 512              		.cfi_endproc
 513              	.LFE38:
 515 0006 00BF     		.section	.text._stat,"ax",%progbits
 516              		.align	1
 517              		.p2align 2,,3
 518              		.global	_stat
 519              		.syntax unified
 520              		.thumb
 521              		.thumb_func
 523              	_stat:
 524              	.LVL31:
 525              	.LFB39:
 147:Core/Src/syscalls.c **** 
 148:Core/Src/syscalls.c **** int _stat(const char *file, struct stat *st)
 149:Core/Src/syscalls.c **** {
 526              		.loc 1 149 1 is_stmt 1 view -0
 527              		.cfi_startproc
 528              		@ args = 0, pretend = 0, frame = 0
 529              		@ frame_needed = 0, uses_anonymous_args = 0
 530              		@ link register save eliminated.
 150:Core/Src/syscalls.c ****   (void)file;
 531              		.loc 1 150 3 view .LVU116
 151:Core/Src/syscalls.c ****   st->st_mode = S_IFCHR;
 532              		.loc 1 151 3 view .LVU117
 533              		.loc 1 151 15 is_stmt 0 view .LVU118
 534 0000 4FF40053 		mov	r3, #8192
 535 0004 4B60     		str	r3, [r1, #4]
 152:Core/Src/syscalls.c ****   return 0;
 536              		.loc 1 152 3 is_stmt 1 view .LVU119
 153:Core/Src/syscalls.c **** }
 537              		.loc 1 153 1 is_stmt 0 view .LVU120
 538 0006 0020     		movs	r0, #0
 539              	.LVL32:
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 13


 540              		.loc 1 153 1 view .LVU121
 541 0008 7047     		bx	lr
 542              		.cfi_endproc
 543              	.LFE39:
 545 000a 00BF     		.section	.text._link,"ax",%progbits
 546              		.align	1
 547              		.p2align 2,,3
 548              		.global	_link
 549              		.syntax unified
 550              		.thumb
 551              		.thumb_func
 553              	_link:
 554              	.LVL33:
 555              	.LFB40:
 154:Core/Src/syscalls.c **** 
 155:Core/Src/syscalls.c **** int _link(char *old, char *new)
 156:Core/Src/syscalls.c **** {
 556              		.loc 1 156 1 is_stmt 1 view -0
 557              		.cfi_startproc
 558              		@ args = 0, pretend = 0, frame = 0
 559              		@ frame_needed = 0, uses_anonymous_args = 0
 157:Core/Src/syscalls.c ****   (void)old;
 560              		.loc 1 157 3 view .LVU123
 158:Core/Src/syscalls.c ****   (void)new;
 561              		.loc 1 158 3 view .LVU124
 159:Core/Src/syscalls.c ****   errno = EMLINK;
 562              		.loc 1 159 3 view .LVU125
 156:Core/Src/syscalls.c ****   (void)old;
 563              		.loc 1 156 1 is_stmt 0 view .LVU126
 564 0000 08B5     		push	{r3, lr}
 565              	.LCFI8:
 566              		.cfi_def_cfa_offset 8
 567              		.cfi_offset 3, -8
 568              		.cfi_offset 14, -4
 569              		.loc 1 159 3 view .LVU127
 570 0002 FFF7FEFF 		bl	__errno
 571              	.LVL34:
 572              		.loc 1 159 9 view .LVU128
 573 0006 1F23     		movs	r3, #31
 574 0008 0360     		str	r3, [r0]
 160:Core/Src/syscalls.c ****   return -1;
 575              		.loc 1 160 3 is_stmt 1 view .LVU129
 161:Core/Src/syscalls.c **** }
 576              		.loc 1 161 1 is_stmt 0 view .LVU130
 577 000a 4FF0FF30 		mov	r0, #-1
 578 000e 08BD     		pop	{r3, pc}
 579              		.cfi_endproc
 580              	.LFE40:
 582              		.section	.text._fork,"ax",%progbits
 583              		.align	1
 584              		.p2align 2,,3
 585              		.global	_fork
 586              		.syntax unified
 587              		.thumb
 588              		.thumb_func
 590              	_fork:
 591              	.LFB41:
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 14


 162:Core/Src/syscalls.c **** 
 163:Core/Src/syscalls.c **** int _fork(void)
 164:Core/Src/syscalls.c **** {
 592              		.loc 1 164 1 is_stmt 1 view -0
 593              		.cfi_startproc
 594              		@ args = 0, pretend = 0, frame = 0
 595              		@ frame_needed = 0, uses_anonymous_args = 0
 165:Core/Src/syscalls.c ****   errno = EAGAIN;
 596              		.loc 1 165 3 view .LVU132
 164:Core/Src/syscalls.c ****   errno = EAGAIN;
 597              		.loc 1 164 1 is_stmt 0 view .LVU133
 598 0000 08B5     		push	{r3, lr}
 599              	.LCFI9:
 600              		.cfi_def_cfa_offset 8
 601              		.cfi_offset 3, -8
 602              		.cfi_offset 14, -4
 603              		.loc 1 165 3 view .LVU134
 604 0002 FFF7FEFF 		bl	__errno
 605              	.LVL35:
 606              		.loc 1 165 9 view .LVU135
 607 0006 0B23     		movs	r3, #11
 608 0008 0360     		str	r3, [r0]
 166:Core/Src/syscalls.c ****   return -1;
 609              		.loc 1 166 3 is_stmt 1 view .LVU136
 167:Core/Src/syscalls.c **** }
 610              		.loc 1 167 1 is_stmt 0 view .LVU137
 611 000a 4FF0FF30 		mov	r0, #-1
 612 000e 08BD     		pop	{r3, pc}
 613              		.cfi_endproc
 614              	.LFE41:
 616              		.section	.text._execve,"ax",%progbits
 617              		.align	1
 618              		.p2align 2,,3
 619              		.global	_execve
 620              		.syntax unified
 621              		.thumb
 622              		.thumb_func
 624              	_execve:
 625              	.LVL36:
 626              	.LFB42:
 168:Core/Src/syscalls.c **** 
 169:Core/Src/syscalls.c **** int _execve(char *name, char **argv, char **env)
 170:Core/Src/syscalls.c **** {
 627              		.loc 1 170 1 is_stmt 1 view -0
 628              		.cfi_startproc
 629              		@ args = 0, pretend = 0, frame = 0
 630              		@ frame_needed = 0, uses_anonymous_args = 0
 171:Core/Src/syscalls.c ****   (void)name;
 631              		.loc 1 171 3 view .LVU139
 172:Core/Src/syscalls.c ****   (void)argv;
 632              		.loc 1 172 3 view .LVU140
 173:Core/Src/syscalls.c ****   (void)env;
 633              		.loc 1 173 3 view .LVU141
 174:Core/Src/syscalls.c ****   errno = ENOMEM;
 634              		.loc 1 174 3 view .LVU142
 170:Core/Src/syscalls.c ****   (void)name;
 635              		.loc 1 170 1 is_stmt 0 view .LVU143
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 15


 636 0000 08B5     		push	{r3, lr}
 637              	.LCFI10:
 638              		.cfi_def_cfa_offset 8
 639              		.cfi_offset 3, -8
 640              		.cfi_offset 14, -4
 641              		.loc 1 174 3 view .LVU144
 642 0002 FFF7FEFF 		bl	__errno
 643              	.LVL37:
 644              		.loc 1 174 9 view .LVU145
 645 0006 0C23     		movs	r3, #12
 646 0008 0360     		str	r3, [r0]
 175:Core/Src/syscalls.c ****   return -1;
 647              		.loc 1 175 3 is_stmt 1 view .LVU146
 176:Core/Src/syscalls.c **** }
 648              		.loc 1 176 1 is_stmt 0 view .LVU147
 649 000a 4FF0FF30 		mov	r0, #-1
 650 000e 08BD     		pop	{r3, pc}
 651              		.cfi_endproc
 652              	.LFE42:
 654              		.global	environ
 655              		.global	__env
 656              		.section	.bss.__env,"aw",%nobits
 657              		.align	2
 660              	__env:
 661 0000 00000000 		.space	4
 662              		.section	.data.environ,"aw"
 663              		.align	2
 666              	environ:
 667 0000 00000000 		.word	__env
 668              		.weak	__io_putchar
 669              		.weak	__io_getchar
 670              		.text
 671              	.Letext0:
 672              		.file 2 "d:\\arm-gcc\\arm-none-eabi\\include\\machine\\_default_types.h"
 673              		.file 3 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\_types.h"
 674              		.file 4 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\_timeval.h"
 675              		.file 5 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\_timespec.h"
 676              		.file 6 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\types.h"
 677              		.file 7 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\stat.h"
 678              		.file 8 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\times.h"
 679              		.file 9 "d:\\arm-gcc\\arm-none-eabi\\include\\sys\\errno.h"
ARM GAS  C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s 			page 16


DEFINED SYMBOLS
                            *ABS*:00000000 syscalls.c
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:20     .text.initialise_monitor_handles:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:27     .text.initialise_monitor_handles:00000000 initialise_monitor_handles
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:41     .text._getpid:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:48     .text._getpid:00000000 _getpid
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:63     .text._kill:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:70     .text._kill:00000000 _kill
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:100    .text._exit:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:107    .text._exit:00000000 _exit
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:156    .text._read:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:163    .text._read:00000000 _read
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:212    .text._write:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:219    .text._write:00000000 _write
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:268    .text._close:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:275    .text._close:00000000 _close
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:294    .text._fstat:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:301    .text._fstat:00000000 _fstat
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:324    .text._isatty:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:331    .text._isatty:00000000 _isatty
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:350    .text._lseek:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:357    .text._lseek:00000000 _lseek
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:378    .text._open:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:385    .text._open:00000000 _open
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:418    .text._wait:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:425    .text._wait:00000000 _wait
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:454    .text._unlink:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:461    .text._unlink:00000000 _unlink
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:490    .text._times:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:497    .text._times:00000000 _times
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:516    .text._stat:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:523    .text._stat:00000000 _stat
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:546    .text._link:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:553    .text._link:00000000 _link
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:583    .text._fork:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:590    .text._fork:00000000 _fork
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:617    .text._execve:00000000 $t
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:624    .text._execve:00000000 _execve
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:666    .data.environ:00000000 environ
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:660    .bss.__env:00000000 __env
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:657    .bss.__env:00000000 $d
C:\Users\zl835\AppData\Local\Temp\ccT2uJeg.s:663    .data.environ:00000000 $d

UNDEFINED SYMBOLS
__errno
__io_getchar
__io_putchar