1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/* Linker script for STM32 (by Lanchon with Mods by LeafLabs)
*
* Version:Sourcery G++ 4.2-84
* BugURL:https://support.codesourcery.com/GNUToolchain/
*
* Copyright 2007 CodeSourcery.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply. */
/* Linker script for STM32 (by Lanchon),
* ROM and RAM relocated to their positions
* as placed by Maple bootloader
*
* Configure target memory and included script
* according to your application requirements. */
/* Define memory spaces. */
MEMORY
{
ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 61K
rom (rx) : ORIGIN = 0x08005000, LENGTH = 0K
}
OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
ENTRY(_start)
SEARCH_DIR(.)
/* GROUP(-lgcc -lc -lcs3 -lcs3unhosted -lcs3-lanchon-stm32) */
GROUP(libgcc.a libc.a libm.a libcs3-lanchon-stm32.a)
/* These force the linker to search for particular symbols from
* the start of the link process and thus ensure the user's
* overrides are picked up
*/
EXTERN(__cs3_reset_lanchon_stm32)
INCLUDE names.inc
EXTERN(__cs3_interrupt_vector_lanchon_stm32)
EXTERN(__cs3_start_c main __cs3_stack __cs3_heap_end)
EXTERN(_start)
PROVIDE(__cs3_stack = __cs3_region_start_ram + __cs3_region_size_ram);
PROVIDE(__cs3_heap_start = _end);
PROVIDE(__cs3_heap_end = __cs3_region_start_ram + __cs3_region_size_ram);
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
__cs3_region_start_ram = .;
*(.cs3.region-head.ram)
__cs3_interrupt_vector = __cs3_interrupt_vector_lanchon_stm32;
*(.cs3.interrupt_vector)
/* Make sure we pulled in an interrupt vector. */
ASSERT (. != __cs3_interrupt_vector_lanchon_stm32, "No interrupt vector");
PROVIDE(__cs3_reset_lanchon_stm32 = _start);
__cs3_reset = __cs3_reset_lanchon_stm32;
*(.cs3.reset)
*(.text .text.* .gnu.linkonce.t.*)
*(.plt)
*(.gnu.warning)
*(.glue_7t) *(.glue_7) *(.vfp11_veneer)
*(.rodata .rodata.* .gnu.linkonce.r.*)
*(.ARM.extab* .gnu.linkonce.armextab.*)
*(.gcc_except_table)
*(.eh_frame_hdr)
*(.eh_frame)
. = ALIGN(4);
KEEP(*(.init))
. = ALIGN(4);
__preinit_array_start = .;
KEEP (*(.preinit_array))
__preinit_array_end = .;
. = ALIGN(4);
__init_array_start = .;
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = .;
. = ALIGN(0x4);
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*crtend.o(.ctors))
. = ALIGN(4);
KEEP(*(.fini))
. = ALIGN(4);
__fini_array_start = .;
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
__fini_array_end = .;
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
. = ALIGN(4);
__cs3_regions = .;
LONG (0)
LONG (__cs3_region_init_ram)
LONG (__cs3_region_start_ram)
LONG (__cs3_region_init_size_ram)
LONG (__cs3_region_zero_size_ram)
} >ram
/* .ARM.exidx is sorted, so has to go in its own output section. */
/* even cs3.rom is in ram since its running as user code under the Maple
bootloader */
__exidx_start = .;
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
} >ram
__exidx_end = .;
.text.align :
{
. = ALIGN(8);
_etext = .;
} >ram
.cs3.rom :
{
__cs3_region_start_rom = .;
*(.cs3.region-head.rom)
*(.rom)
. = ALIGN (8);
} >ram
.cs3.rom.bss :
{
*(.rom.b)
. = ALIGN (8);
} >ram
/* __cs3_region_end_rom is deprecated */
__cs3_region_end_rom = __cs3_region_start_rom + LENGTH(ram);
__cs3_region_size_rom = LENGTH(ram);
__cs3_region_init_rom = LOADADDR (.cs3.rom);
__cs3_region_init_size_rom = SIZEOF(.cs3.rom);
__cs3_region_zero_size_rom = SIZEOF(.cs3.rom.bss);
.data :
{
KEEP(*(.jcr))
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.* .gnu.linkonce.d.*)
*(.ram)
. = ALIGN (8);
_edata = .;
} >ram
.bss :
{
*(.shbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
*(.ram.b)
. = ALIGN (8);
_end = .;
__end = .;
} >ram
/* __cs3_region_end_ram is deprecated */
__cs3_region_end_ram = __cs3_region_start_ram + LENGTH(ram);
__cs3_region_size_ram = LENGTH(ram);
__cs3_region_init_ram = LOADADDR (.text);
__cs3_region_init_size_ram = _edata - ADDR (.text);
__cs3_region_zero_size_ram = _end - _edata;
__cs3_region_num = 1;
.stab 0 (NOLOAD) : { *(.stab) }
.stabstr 0 (NOLOAD) : { *(.stabstr) }
/* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to the beginning
* of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) }
}
|