Project

General

Profile

Statistics
| Revision:

root / trunk / bootloader / linker_script.x @ 196

History | View | Annotate | Download (6.01 KB)

1
/* Default linker script, for normal executables */
2
OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
3
OUTPUT_ARCH(avr:2)
4
MEMORY
5
{
6
  text      (rx)   : ORIGIN = 0, LENGTH = 8K
7
  data      (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0
8
  eeprom    (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
9
  fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
10
  lock      (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
11
  signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
12
}
13
SECTIONS
14
{
15
  /* Read-only sections, merged into text segment: */
16
  .hash          : { *(.hash)		}
17
  .dynsym        : { *(.dynsym)		}
18
  .dynstr        : { *(.dynstr)		}
19
  .gnu.version   : { *(.gnu.version)	}
20
  .gnu.version_d   : { *(.gnu.version_d)	}
21
  .gnu.version_r   : { *(.gnu.version_r)	}
22
  .rel.init      : { *(.rel.init)		}
23
  .rela.init     : { *(.rela.init)	}
24
  .rel.text      :
25
    {
26
      *(.rel.text)
27
      *(.rel.text.*)
28
      *(.rel.gnu.linkonce.t*)
29
    }
30
  .rela.text     :
31
    {
32
      *(.rela.text)
33
      *(.rela.text.*)
34
      *(.rela.gnu.linkonce.t*)
35
    }
36
  .rel.fini      : { *(.rel.fini)		}
37
  .rela.fini     : { *(.rela.fini)	}
38
  .rel.rodata    :
39
    {
40
      *(.rel.rodata)
41
      *(.rel.rodata.*)
42
      *(.rel.gnu.linkonce.r*)
43
    }
44
  .rela.rodata   :
45
    {
46
      *(.rela.rodata)
47
      *(.rela.rodata.*)
48
      *(.rela.gnu.linkonce.r*)
49
    }
50
  .rel.data      :
51
    {
52
      *(.rel.data)
53
      *(.rel.data.*)
54
      *(.rel.gnu.linkonce.d*)
55
    }
56
  .rela.data     :
57
    {
58
      *(.rela.data)
59
      *(.rela.data.*)
60
      *(.rela.gnu.linkonce.d*)
61
    }
62
  .rel.ctors     : { *(.rel.ctors)	}
63
  .rela.ctors    : { *(.rela.ctors)	}
64
  .rel.dtors     : { *(.rel.dtors)	}
65
  .rela.dtors    : { *(.rela.dtors)	}
66
  .rel.got       : { *(.rel.got)		}
67
  .rela.got      : { *(.rela.got)		}
68
  .rel.bss       : { *(.rel.bss)		}
69
  .rela.bss      : { *(.rela.bss)		}
70
  .rel.plt       : { *(.rel.plt)		}
71
  .rela.plt      : { *(.rela.plt)		}
72
  /* Internal text space or external memory.  */
73
  .text :
74
  {
75
    reset_vect.o(.reset)
76
    KEEP(*(.reset))
77
    *(.vectors)
78
    /*KEEP(*(.vectors))*/
79
    /* For data that needs to reside in the lower 64k of progmem.  */
80
    *(.progmem.gcc*)
81
    *(.progmem*)
82
    . = ALIGN(2);
83
     __trampolines_start = . ;
84
    /* The jump trampolines for the 16-bit limited relocs will reside here.  */
85
    *(.trampolines)
86
    *(.trampolines*)
87
     __trampolines_end = . ;
88
    /* For future tablejump instruction arrays for 3 byte pc devices.
89
       We don't relax jump/call instructions within these sections.  */
90
    *(.jumptables)
91
    *(.jumptables*)
92
    /* For code that needs to reside in the lower 128k progmem.  */
93
    *(.lowtext)
94
    *(.lowtext*)
95
     __ctors_start = . ;
96
     *(.ctors)
97
     __ctors_end = . ;
98
     __dtors_start = . ;
99
     *(.dtors)
100
     __dtors_end = . ;
101
    KEEP(SORT(*)(.ctors))
102
    KEEP(SORT(*)(.dtors))
103
    /* From this point on, we don't bother about wether the insns are
104
       below or above the 16 bits boundary.  */
105
    *(.init0)  /* Start here after reset.  */
106
    KEEP (*(.init0))
107
    *(.init1)
108
    KEEP (*(.init1))
109
    *(.init2)  /* Clear __zero_reg__, set up stack pointer.  */
110
    KEEP (*(.init2))
111
    *(.init3)
112
    KEEP (*(.init3))
113
    *(.init4)  /* Initialize data and BSS.  */
114
    KEEP (*(.init4))
115
    *(.init5)
116
    KEEP (*(.init5))
117
    *(.init6)  /* C++ constructors.  */
118
    KEEP (*(.init6))
119
    *(.init7)
120
    KEEP (*(.init7))
121
    *(.init8)
122
    KEEP (*(.init8))
123
    *(.init9)  /* Call main().  */
124
    KEEP (*(.init9))
125
    *(.text)
126
    . = ALIGN(2);
127
    *(.text.*)
128
    . = ALIGN(2);
129
    *(.fini9)  /* _exit() starts here.  */
130
    KEEP (*(.fini9))
131
    *(.fini8)
132
    KEEP (*(.fini8))
133
    *(.fini7)
134
    KEEP (*(.fini7))
135
    *(.fini6)  /* C++ destructors.  */
136
    KEEP (*(.fini6))
137
    *(.fini5)
138
    KEEP (*(.fini5))
139
    *(.fini4)
140
    KEEP (*(.fini4))
141
    *(.fini3)
142
    KEEP (*(.fini3))
143
    *(.fini2)
144
    KEEP (*(.fini2))
145
    *(.fini1)
146
    KEEP (*(.fini1))
147
    *(.fini0)  /* Infinite loop after program termination.  */
148
    KEEP (*(.fini0))
149
     _etext = . ;
150
  }  > text
151
  .data	  : AT (ADDR (.text) + SIZEOF (.text))
152
  {
153
     PROVIDE (__data_start = .) ;
154
    *(.data)
155
    *(.data*)
156
    *(.rodata)  /* We need to include .rodata here if gcc is used */
157
    *(.rodata*) /* with -fdata-sections.  */
158
    *(.gnu.linkonce.d*)
159
    . = ALIGN(2);
160
     _edata = . ;
161
     PROVIDE (__data_end = .) ;
162
  }  > data
163
  .bss  SIZEOF(.data) + ADDR(.data) :
164
  {
165
     PROVIDE (__bss_start = .) ;
166
    *(.bss)
167
    *(.bss*)
168
    *(COMMON)
169
     PROVIDE (__bss_end = .) ;
170
  }  > data
171
   __data_load_start = LOADADDR(.data);
172
   __data_load_end = __data_load_start + SIZEOF(.data);
173
  /* Global data not cleared after reset.  */
174
  .noinit  SIZEOF(.bss) + ADDR(.bss) :
175
  {
176
     PROVIDE (__noinit_start = .) ;
177
    *(.noinit*)
178
     PROVIDE (__noinit_end = .) ;
179
     _end = . ;
180
     PROVIDE (__heap_start = .) ;
181
  }  > data
182
  .eeprom  :
183
  {
184
    *(.eeprom*)
185
     __eeprom_end = . ;
186
  }  > eeprom
187
  .fuse  :
188
  {
189
    KEEP(*(.fuse))
190
    KEEP(*(.lfuse))
191
    KEEP(*(.hfuse))
192
    KEEP(*(.efuse))
193
  }  > fuse
194
  .lock  :
195
  {
196
    KEEP(*(.lock*))
197
  }  > lock
198
  .signature  :
199
  {
200
    KEEP(*(.signature*))
201
  }  > signature
202
  /* Stabs debugging sections.  */
203
  .stab 0 : { *(.stab) }
204
  .stabstr 0 : { *(.stabstr) }
205
  .stab.excl 0 : { *(.stab.excl) }
206
  .stab.exclstr 0 : { *(.stab.exclstr) }
207
  .stab.index 0 : { *(.stab.index) }
208
  .stab.indexstr 0 : { *(.stab.indexstr) }
209
  .comment 0 : { *(.comment) }
210
  /* DWARF debug sections.
211
     Symbols in the DWARF debugging sections are relative to the beginning
212
     of the section so we begin them at 0.  */
213
  /* DWARF 1 */
214
  .debug          0 : { *(.debug) }
215
  .line           0 : { *(.line) }
216
  /* GNU DWARF 1 extensions */
217
  .debug_srcinfo  0 : { *(.debug_srcinfo) }
218
  .debug_sfnames  0 : { *(.debug_sfnames) }
219
  /* DWARF 1.1 and DWARF 2 */
220
  .debug_aranges  0 : { *(.debug_aranges) }
221
  .debug_pubnames 0 : { *(.debug_pubnames) }
222
  /* DWARF 2 */
223
  .debug_info     0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
224
  .debug_abbrev   0 : { *(.debug_abbrev) }
225
  .debug_line     0 : { *(.debug_line) }
226
  .debug_frame    0 : { *(.debug_frame) }
227
  .debug_str      0 : { *(.debug_str) }
228
  .debug_loc      0 : { *(.debug_loc) }
229
  .debug_macinfo  0 : { *(.debug_macinfo) }
230
}