1/*
2 * linker script for STM32L4XX with GNU ld
3 */
4
5/* Program Entry, set to mark it as "used" and avoid gc */
6MEMORY
7{
8    ROM  (rx) : ORIGIN = 0x08000000, LENGTH = 512k /* 512KB flash */
9    RAM1 (rw) : ORIGIN = 0x20000000, LENGTH =  96k /* 96K sram */
10    RAM2 (rw) : ORIGIN = 0x10000000, LENGTH =  32k /* 32K sram */
11}
12ENTRY(Reset_Handler)
13_system_stack_size = 0x400;
14
15SECTIONS
16{
17    .text :
18    {
19        . = ALIGN(4);
20        _stext = .;
21        KEEP(*(.isr_vector))            /* Startup code */
22
23        . = ALIGN(4);
24        *(.text)                        /* remaining code */
25        *(.text.*)                      /* remaining code */
26        *(.rodata)                      /* read-only data (constants) */
27        *(.rodata*)
28        *(.glue_7)
29        *(.glue_7t)
30        *(.gnu.linkonce.t*)
31
32        /* section information for finsh shell */
33        . = ALIGN(4);
34        __fsymtab_start = .;
35        KEEP(*(FSymTab))
36        __fsymtab_end = .;
37
38        . = ALIGN(4);
39        __vsymtab_start = .;
40        KEEP(*(VSymTab))
41        __vsymtab_end = .;
42
43        /* section information for utest */
44        . = ALIGN(4);
45        __rt_utest_tc_tab_start = .;
46        KEEP(*(UtestTcTab))
47        __rt_utest_tc_tab_end = .;
48
49        /* section information for initial. */
50        . = ALIGN(4);
51        __rt_init_start = .;
52        KEEP(*(SORT(.rti_fn*)))
53        __rt_init_end = .;
54
55        . = ALIGN(4);
56
57        PROVIDE(__ctors_start__ = .);
58        KEEP (*(SORT(.init_array.*)))
59        KEEP (*(.init_array))
60        PROVIDE(__ctors_end__ = .);
61
62        . = ALIGN(4);
63
64        KEEP(*(.eh_frame*))
65        . = ALIGN(4);
66        _etext = .;
67    } > ROM = 0
68
69    /* .ARM.exidx is sorted, so has to go in its own output section.  */
70    __exidx_start = .;
71    .ARM.exidx :
72    {
73        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
74
75        /* This is used by the startup in order to initialize the .data secion */
76        _sidata = .;
77    } > ROM
78    __exidx_end = .;
79
80    /* .data section which is used for initialized data */
81
82    .data : AT (_sidata)
83    {
84        . = ALIGN(4);
85        /* This is used by the startup in order to initialize the .data secion */
86        _sdata = . ;
87
88        *(.data)
89        *(.data.*)
90        *(.gnu.linkonce.d*)
91
92        PROVIDE(__dtors_start__ = .);
93        KEEP(*(SORT(.dtors.*)))
94        KEEP(*(.dtors))
95        PROVIDE(__dtors_end__ = .);
96
97        . = ALIGN(4);
98        /* This is used by the startup in order to initialize the .data secion */
99        _edata = . ;
100    } >RAM1
101
102    .stack :
103    {
104        . = ALIGN(4);
105        _sstack = .;
106        . = . + _system_stack_size;
107        . = ALIGN(4);
108        _estack = .;
109    } >RAM1
110
111    __bss_start = .;
112    .bss :
113    {
114        . = ALIGN(4);
115        /* This is used by the startup in order to initialize the .bss secion */
116        _sbss = .;
117
118        *(.bss)
119        *(.bss.*)
120        *(COMMON)
121
122        . = ALIGN(4);
123        /* This is used by the startup in order to initialize the .bss secion */
124        _ebss = . ;
125
126        *(.bss.init)
127    } > RAM1
128    __bss_end = .;
129
130    _end = .;
131
132    /* Stabs debugging sections.  */
133    .stab          0 : { *(.stab) }
134    .stabstr       0 : { *(.stabstr) }
135    .stab.excl     0 : { *(.stab.excl) }
136    .stab.exclstr  0 : { *(.stab.exclstr) }
137    .stab.index    0 : { *(.stab.index) }
138    .stab.indexstr 0 : { *(.stab.indexstr) }
139    .comment       0 : { *(.comment) }
140    /* DWARF debug sections.
141     * Symbols in the DWARF debugging sections are relative to the beginning
142     * of the section so we begin them at 0.  */
143    /* DWARF 1 */
144    .debug          0 : { *(.debug) }
145    .line           0 : { *(.line) }
146    /* GNU DWARF 1 extensions */
147    .debug_srcinfo  0 : { *(.debug_srcinfo) }
148    .debug_sfnames  0 : { *(.debug_sfnames) }
149    /* DWARF 1.1 and DWARF 2 */
150    .debug_aranges  0 : { *(.debug_aranges) }
151    .debug_pubnames 0 : { *(.debug_pubnames) }
152    /* DWARF 2 */
153    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
154    .debug_abbrev   0 : { *(.debug_abbrev) }
155    .debug_line     0 : { *(.debug_line) }
156    .debug_frame    0 : { *(.debug_frame) }
157    .debug_str      0 : { *(.debug_str) }
158    .debug_loc      0 : { *(.debug_loc) }
159    .debug_macinfo  0 : { *(.debug_macinfo) }
160    /* SGI/MIPS DWARF 2 extensions */
161    .debug_weaknames 0 : { *(.debug_weaknames) }
162    .debug_funcnames 0 : { *(.debug_funcnames) }
163    .debug_typenames 0 : { *(.debug_typenames) }
164    .debug_varnames  0 : { *(.debug_varnames) }
165}
166