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/ccQHxgWA.s:16 .text._sbrk:0000000000000000 $t
/tmp/ccQHxgWA.s:24 .text._sbrk:0000000000000000 _sbrk
/tmp/ccQHxgWA.s:91 .text._sbrk:000000000000002c $d
/tmp/ccQHxgWA.s:97 .bss:0000000000000000 $d
/tmp/ccQHxgWA.s:101 .bss:0000000000000000 heap_end.0
UNDEFINED SYMBOLS
__errno
end