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- 1 .cpu cortex-m4
- 2 .eabi_attribute 20, 1
- 3 .eabi_attribute 21, 1
- 4 .eabi_attribute 23, 3
- 5 .eabi_attribute 24, 1
- 6 .eabi_attribute 25, 1
- 7 .eabi_attribute 26, 1
- 8 .eabi_attribute 30, 4
- 9 .eabi_attribute 34, 1
- 10 .eabi_attribute 18, 4
- 11 .file "stm32f3_sysmem.c"
- 12 .text
- 13 .Ltext0:
- 14 .cfi_sections .debug_frame
- 15 .section .text._sbrk,"ax",%progbits
- 16 .align 1
- 17 .global _sbrk
- 18 .arch armv7e-m
- 19 .syntax unified
- 20 .thumb
- 21 .thumb_func
- 22 .fpu softvfp
- 24 _sbrk:
- 25 .LVL0:
- 26 .LFB3:
- 27 .file 1 "deps//hal/stm32f3/stm32f3_sysmem.c"
- 1:deps//hal/stm32f3/stm32f3_sysmem.c **** /**
- 2:deps//hal/stm32f3/stm32f3_sysmem.c **** *****************************************************************************
- 3:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 4:deps//hal/stm32f3/stm32f3_sysmem.c **** ** File : sysmem.c
- 5:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 6:deps//hal/stm32f3/stm32f3_sysmem.c **** ** Author : Ac6
- 7:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 8:deps//hal/stm32f3/stm32f3_sysmem.c **** ** Abstract : System Workbench Minimal System Memory calls file
- 9:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 10:deps//hal/stm32f3/stm32f3_sysmem.c **** ** For more information about which c-functions
- 11:deps//hal/stm32f3/stm32f3_sysmem.c **** ** need which of these lowlevel functions
- 12:deps//hal/stm32f3/stm32f3_sysmem.c **** ** please consult the Newlib libc-manual
- 13:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 14:deps//hal/stm32f3/stm32f3_sysmem.c **** ** Environment : System Workbench for MCU
- 15:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 16:deps//hal/stm32f3/stm32f3_sysmem.c **** ** Distribution: The file is distributed “as is,” without any warranty
- 17:deps//hal/stm32f3/stm32f3_sysmem.c **** ** of any kind.
- 18:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 19:deps//hal/stm32f3/stm32f3_sysmem.c **** *****************************************************************************
- 20:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 21:deps//hal/stm32f3/stm32f3_sysmem.c **** ** <h2><center>© COPYRIGHT(c) 2014 Ac6</center></h2>
- 22:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 23:deps//hal/stm32f3/stm32f3_sysmem.c **** ** Redistribution and use in source and binary forms, with or without modification,
- 24:deps//hal/stm32f3/stm32f3_sysmem.c **** ** are permitted provided that the following conditions are met:
- 25:deps//hal/stm32f3/stm32f3_sysmem.c **** ** 1. Redistributions of source code must retain the above copyright notice,
- 26:deps//hal/stm32f3/stm32f3_sysmem.c **** ** this list of conditions and the following disclaimer.
- 27:deps//hal/stm32f3/stm32f3_sysmem.c **** ** 2. Redistributions in binary form must reproduce the above copyright notice,
- 28:deps//hal/stm32f3/stm32f3_sysmem.c **** ** this list of conditions and the following disclaimer in the documentation
- 29:deps//hal/stm32f3/stm32f3_sysmem.c **** ** and/or other materials provided with the distribution.
- 30:deps//hal/stm32f3/stm32f3_sysmem.c **** ** 3. Neither the name of Ac6 nor the names of its contributors
- 31:deps//hal/stm32f3/stm32f3_sysmem.c **** ** may be used to endorse or promote products derived from this software
- 32:deps//hal/stm32f3/stm32f3_sysmem.c **** ** without specific prior written permission.
- 33:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 34:deps//hal/stm32f3/stm32f3_sysmem.c **** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- 35:deps//hal/stm32f3/stm32f3_sysmem.c **** ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- 36:deps//hal/stm32f3/stm32f3_sysmem.c **** ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- 37:deps//hal/stm32f3/stm32f3_sysmem.c **** ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- 38:deps//hal/stm32f3/stm32f3_sysmem.c **** ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- 39:deps//hal/stm32f3/stm32f3_sysmem.c **** ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- 40:deps//hal/stm32f3/stm32f3_sysmem.c **** ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- 41:deps//hal/stm32f3/stm32f3_sysmem.c **** ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- 42:deps//hal/stm32f3/stm32f3_sysmem.c **** ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- 43:deps//hal/stm32f3/stm32f3_sysmem.c **** ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- 44:deps//hal/stm32f3/stm32f3_sysmem.c **** **
- 45:deps//hal/stm32f3/stm32f3_sysmem.c **** *****************************************************************************
- 46:deps//hal/stm32f3/stm32f3_sysmem.c **** */
- 47:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 48:deps//hal/stm32f3/stm32f3_sysmem.c **** /* Includes */
- 49:deps//hal/stm32f3/stm32f3_sysmem.c **** #include <errno.h>
- 50:deps//hal/stm32f3/stm32f3_sysmem.c **** #include <stdio.h>
- 51:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 52:deps//hal/stm32f3/stm32f3_sysmem.c **** /* Variables */
- 53:deps//hal/stm32f3/stm32f3_sysmem.c **** //Uncomment following if needed - commented out for now as not used and causes warning
- 54:deps//hal/stm32f3/stm32f3_sysmem.c **** //extern int errno;
- 55:deps//hal/stm32f3/stm32f3_sysmem.c **** register char * stack_ptr asm("sp");
- 56:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 57:deps//hal/stm32f3/stm32f3_sysmem.c **** /* Functions */
- 58:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 59:deps//hal/stm32f3/stm32f3_sysmem.c **** /**
- 60:deps//hal/stm32f3/stm32f3_sysmem.c **** _sbrk
- 61:deps//hal/stm32f3/stm32f3_sysmem.c **** Increase program data space. Malloc and related functions depend on this
- 62:deps//hal/stm32f3/stm32f3_sysmem.c **** **/
- 63:deps//hal/stm32f3/stm32f3_sysmem.c **** caddr_t _sbrk(int incr)
- 64:deps//hal/stm32f3/stm32f3_sysmem.c **** {
- 28 .loc 1 64 1 view -0
- 29 .cfi_startproc
- 30 @ args = 0, pretend = 0, frame = 0
- 31 @ frame_needed = 0, uses_anonymous_args = 0
- 65:deps//hal/stm32f3/stm32f3_sysmem.c **** extern char end asm("end");
- 32 .loc 1 65 2 view .LVU1
- 66:deps//hal/stm32f3/stm32f3_sysmem.c **** static char *heap_end;
- 33 .loc 1 66 2 view .LVU2
- 67:deps//hal/stm32f3/stm32f3_sysmem.c **** char *prev_heap_end;
- 34 .loc 1 67 2 view .LVU3
- 68:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 69:deps//hal/stm32f3/stm32f3_sysmem.c **** if (heap_end == 0)
- 35 .loc 1 69 2 view .LVU4
- 36 .loc 1 69 15 is_stmt 0 view .LVU5
- 37 0000 0A4A ldr r2, .L5
- 38 .loc 1 69 5 view .LVU6
- 39 0002 1168 ldr r1, [r2]
- 64:deps//hal/stm32f3/stm32f3_sysmem.c **** extern char end asm("end");
- 40 .loc 1 64 1 view .LVU7
- 41 0004 08B5 push {r3, lr}
- 42 .LCFI0:
- 43 .cfi_def_cfa_offset 8
- 44 .cfi_offset 3, -8
- 45 .cfi_offset 14, -4
- 64:deps//hal/stm32f3/stm32f3_sysmem.c **** extern char end asm("end");
- 46 .loc 1 64 1 view .LVU8
- 47 0006 0346 mov r3, r0
- 48 .loc 1 69 5 view .LVU9
- 49 0008 09B9 cbnz r1, .L2
- 70:deps//hal/stm32f3/stm32f3_sysmem.c **** heap_end = &end;
- 50 .loc 1 70 3 is_stmt 1 view .LVU10
- 51 .loc 1 70 12 is_stmt 0 view .LVU11
- 52 000a 0949 ldr r1, .L5+4
- 53 000c 1160 str r1, [r2]
- 54 .L2:
- 71:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 72:deps//hal/stm32f3/stm32f3_sysmem.c **** prev_heap_end = heap_end;
- 55 .loc 1 72 2 is_stmt 1 view .LVU12
- 56 .loc 1 72 16 is_stmt 0 view .LVU13
- 57 000e 1068 ldr r0, [r2]
- 58 .LVL1:
- 73:deps//hal/stm32f3/stm32f3_sysmem.c **** if (heap_end + incr > stack_ptr)
- 59 .loc 1 73 2 is_stmt 1 view .LVU14
- 60 .loc 1 73 5 is_stmt 0 view .LVU15
- 61 0010 6946 mov r1, sp
- 62 .loc 1 73 15 view .LVU16
- 63 0012 0344 add r3, r3, r0
- 64 .LVL2:
- 65 .loc 1 73 5 view .LVU17
- 66 0014 8B42 cmp r3, r1
- 67 0016 06D9 bls .L3
- 74:deps//hal/stm32f3/stm32f3_sysmem.c **** {
- 75:deps//hal/stm32f3/stm32f3_sysmem.c **** errno = ENOMEM;
- 68 .loc 1 75 3 is_stmt 1 view .LVU18
- 69 0018 FFF7FEFF bl __errno
- 70 .LVL3:
- 71 .loc 1 75 9 is_stmt 0 view .LVU19
- 72 001c 0C23 movs r3, #12
- 73 001e 0360 str r3, [r0]
- 76:deps//hal/stm32f3/stm32f3_sysmem.c **** return (caddr_t) -1;
- 74 .loc 1 76 3 is_stmt 1 view .LVU20
- 75 .loc 1 76 10 is_stmt 0 view .LVU21
- 76 0020 4FF0FF30 mov r0, #-1
- 77 .L1:
- 77:deps//hal/stm32f3/stm32f3_sysmem.c **** }
- 78:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 79:deps//hal/stm32f3/stm32f3_sysmem.c **** heap_end += incr;
- 80:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 81:deps//hal/stm32f3/stm32f3_sysmem.c **** return (caddr_t) prev_heap_end;
- 82:deps//hal/stm32f3/stm32f3_sysmem.c **** }
- 78 .loc 1 82 1 view .LVU22
- 79 0024 08BD pop {r3, pc}
- 80 .LVL4:
- 81 .L3:
- 79:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 82 .loc 1 79 2 is_stmt 1 view .LVU23
- 79:deps//hal/stm32f3/stm32f3_sysmem.c ****
- 83 .loc 1 79 11 is_stmt 0 view .LVU24
- 84 0026 1360 str r3, [r2]
- 81:deps//hal/stm32f3/stm32f3_sysmem.c **** }
- 85 .loc 1 81 2 is_stmt 1 view .LVU25
- 81:deps//hal/stm32f3/stm32f3_sysmem.c **** }
- 86 .loc 1 81 9 is_stmt 0 view .LVU26
- 87 0028 FCE7 b .L1
- 88 .L6:
- 89 002a 00BF .align 2
- 90 .L5:
- 91 002c 00000000 .word .LANCHOR0
- 92 0030 00000000 .word end
- 93 .cfi_endproc
- 94 .LFE3:
- 96 .bss
- 97 .align 2
- 98 .set .LANCHOR0,. + 0
- 101 heap_end.0:
- 102 0000 00000000 .space 4
- 103 .text
- 104 .Letext0:
- 105 .file 2 "/usr/arm-none-eabi/include/sys/types.h"
- 106 .file 3 "/usr/arm-none-eabi/include/sys/errno.h"
- DEFINED SYMBOLS
- *ABS*:0000000000000000 stm32f3_sysmem.c
- /tmp/cc3AMQGr.s:16 .text._sbrk:0000000000000000 $t
- /tmp/cc3AMQGr.s:24 .text._sbrk:0000000000000000 _sbrk
- /tmp/cc3AMQGr.s:91 .text._sbrk:000000000000002c $d
- /tmp/cc3AMQGr.s:97 .bss:0000000000000000 $d
- /tmp/cc3AMQGr.s:101 .bss:0000000000000000 heap_end.0
- UNDEFINED SYMBOLS
- __errno
- end
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