source:
rtems/c/src/lib/libbsp/sparc/leon2/startup/linkcmds
@
37f09415
Last change on this file since 37f09415 was d2a30c77, checked in by Joel Sherrill <joel.sherrill@…>, on 10/05/05 at 19:25:45 | |
---|---|
|
|
File size: 3.5 KB |
Line | |
---|---|
1 | /* linkcmds |
2 | * |
3 | * $Id$ |
4 | */ |
5 | |
6 | OUTPUT_ARCH(sparc) |
7 | __DYNAMIC = 0; |
8 | |
9 | /* |
10 | * The memory map looks like this: |
11 | * +--------------------+ <- low memory |
12 | * | .text | |
13 | * | etext | |
14 | * | ctor list | the ctor and dtor lists are for |
15 | * | dtor list | C++ support |
16 | * | _endtext | |
17 | * +--------------------+ |
18 | * | .data | initialized data goes here |
19 | * | _sdata | |
20 | * | _edata | |
21 | * +--------------------+ |
22 | * | .bss | |
23 | * | __bss_start | start of bss, cleared by crt0 |
24 | * | _end | start of heap, used by sbrk() |
25 | * +--------------------+ |
26 | * | heap space | |
27 | * | _ENDHEAP | |
28 | * | stack space | |
29 | * | __stack | top of stack |
30 | * +--------------------+ <- high memory |
31 | */ |
32 | |
33 | |
34 | /* |
35 | * User modifiable values: |
36 | * |
37 | * _CLOCK_SPEED in Mhz (used to program the counter/timers) |
38 | * |
39 | * _PROM_SIZE size of PROM (permissible values are 128K, 256K, |
40 | * 512K, 1M, 2M, 4M, 8M and 16M) |
41 | * _RAM_SIZE size of RAM (permissible values are 256K, 512K, |
42 | * 1M, 2M, 4M, 8M, 16M, and 32M) |
43 | * |
44 | */ |
45 | |
46 | /* Default values, can be overridden */ |
47 | |
48 | _PROM_SIZE = 2M; |
49 | _RAM_SIZE = 4M; |
50 | |
51 | _RAM_START = 0x40000000; |
52 | _RAM_END = _RAM_START + _RAM_SIZE; |
53 | |
54 | _PROM_START = 0x00000000; |
55 | _PROM_END = _PROM_START + _PROM_SIZE; |
56 | |
57 | /* |
58 | * Alternate names without leading _. |
59 | */ |
60 | |
61 | PROM_START = _PROM_START; |
62 | PROM_SIZE = _PROM_SIZE; |
63 | PROM_END = _PROM_END; |
64 | |
65 | RAM_START = _RAM_START; |
66 | RAM_SIZE = _RAM_SIZE; |
67 | RAM_END = _RAM_END; |
68 | |
69 | /* |
70 | * Base address of the on-CPU peripherals |
71 | */ |
72 | |
73 | _LEON_REG = 0x80000000; |
74 | LEON_REG = 0x80000000; |
75 | |
76 | /* these are the maximum values */ |
77 | |
78 | MEMORY |
79 | { |
80 | rom : ORIGIN = 0x00000000, LENGTH = 256M |
81 | ram : ORIGIN = 0x40000000, LENGTH = 1024M |
82 | } |
83 | |
84 | /* |
85 | * stick everything in ram (of course) |
86 | */ |
87 | SECTIONS |
88 | { |
89 | .text : |
90 | { |
91 | CREATE_OBJECT_SYMBOLS |
92 | text_start = .; |
93 | _text_start = .; |
94 | *(.text) |
95 | . = ALIGN (16); |
96 | |
97 | /* |
98 | * Special FreeBSD sysctl sections. |
99 | */ |
100 | . = ALIGN (16); |
101 | __start_set_sysctl_set = .; |
102 | *(set_sysctl_*); |
103 | __stop_set_sysctl_set = ABSOLUTE(.); |
104 | *(set_domain_*); |
105 | *(set_pseudo_*); |
106 | |
107 | *(.eh_frame) |
108 | . = ALIGN (16); |
109 | |
110 | *(.gnu.linkonce.t*) |
111 | |
112 | /* |
113 | * C++ constructors |
114 | */ |
115 | __CTOR_LIST__ = .; |
116 | LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) |
117 | *(.ctors) |
118 | LONG(0) |
119 | __CTOR_END__ = .; |
120 | __DTOR_LIST__ = .; |
121 | LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) |
122 | *(.dtors) |
123 | LONG(0) |
124 | __DTOR_END__ = .; |
125 | |
126 | _rodata_start = . ; |
127 | *(.rodata*) |
128 | *(.gnu.linkonce.r*) |
129 | _erodata = ALIGN( 0x10 ) ; |
130 | |
131 | etext = ALIGN(0x10); |
132 | _etext = .; |
133 | *(.init) |
134 | *(.fini) |
135 | *(.lit) |
136 | *(.shdata) |
137 | . = ALIGN (16); |
138 | _endtext = .; |
139 | } > ram |
140 | .data : |
141 | { |
142 | data_start = .; |
143 | _data_start = .; |
144 | _sdata = . ; |
145 | *(.data) |
146 | *(.gnu.linkonce.d*) |
147 | *(.gcc_except_table) |
148 | . = ALIGN(0x10); |
149 | edata = .; |
150 | _edata = .; |
151 | } > ram |
152 | .dynamic : { *(.dynamic) } >ram |
153 | .jcr : { *(.jcr) } >ram |
154 | .got : { *(.got) } >ram |
155 | .plt : { *(.plt) } >ram |
156 | .hash : { *(.hash) } >ram |
157 | .dynrel : { *(.dynrel) } >ram |
158 | .dynsym : { *(.dynsym) } >ram |
159 | .dynstr : { *(.dynstr) } >ram |
160 | .hash : { *(.hash) } >ram |
161 | .shbss : |
162 | { |
163 | *(.shbss) |
164 | } > ram |
165 | .bss : |
166 | { |
167 | __bss_start = ALIGN(0x8); |
168 | _bss_start = .; |
169 | bss_start = .; |
170 | *(.bss) |
171 | *(COMMON) |
172 | end = .; |
173 | _end = ALIGN(0x8); |
174 | __end = ALIGN(0x8); |
175 | } > ram |
176 | .stab . (NOLOAD) : |
177 | { |
178 | [ .stab ] |
179 | } |
180 | .stabstr . (NOLOAD) : |
181 | { |
182 | [ .stabstr ] |
183 | } |
184 | } |
Note: See TracBrowser
for help on using the repository browser.