source: rtems/c/src/lib/libbsp/sparc/shared/startup/linkcmds.base @ e4927ece

4.115
Last change on this file since e4927ece was e4927ece, checked in by Sebastian Huber <sebastian.huber@…>, on 12/04/13 at 14:39:20

bsps: Simplify FreeBSD linker sets

  • Property mode set to 100644
File size: 4.2 KB
Line 
1/*  linkcmds
2 */
3
4OUTPUT_ARCH(sparc)
5__DYNAMIC  =  0;
6ENTRY(start)
7
8/*
9 * The memory map looks like this:
10 * +--------------------+ <- low memory
11 * | .text              |
12 * |        etext       |
13 * |        ctor list   | the ctor and dtor lists are for
14 * |        dtor list   | C++ support
15 * |        _endtext    |
16 * +--------------------+
17 * | .data              | initialized data goes here
18 * |        _sdata      |
19 * |        _edata      |
20 * +--------------------+
21 * | .bss               |
22 * |        __bss_start | start of bss, cleared by crt0
23 * |        _end        | start of heap, used by sbrk()
24 * +--------------------+
25 * |    heap space      |
26 * |        _ENDHEAP    |
27 * |    stack space     |
28 * |        __stack     | top of stack
29 * +--------------------+ <- high memory
30 */
31
32_RAM_END = _RAM_START + _RAM_SIZE;
33
34_PROM_END = _PROM_START + _PROM_SIZE;
35
36/*
37 *  Alternate names without leading _.
38 */
39
40PROM_START = _PROM_START;
41PROM_SIZE = _PROM_SIZE;
42PROM_END = _PROM_END;
43
44RAM_START = _RAM_START;
45RAM_SIZE = _RAM_SIZE;
46RAM_END = _RAM_END;
47
48/*
49 * SPARC monitor assumes this is present to provide proper RTEMS awareness.
50 */
51EXTERN(rtems_get_version_string);
52
53/*
54 * stick everything in ram (of course)
55 */
56SECTIONS
57{
58  .text :
59  {
60    CREATE_OBJECT_SYMBOLS
61    text_start = .;
62    _text_start = .;
63    *(.text*)
64    . = ALIGN (16);
65
66    *(.eh_frame)
67    . = ALIGN (16);
68
69    *(.gnu.linkonce.t*)
70
71    /*
72     * C++ constructors
73     */
74    /* gcc uses crtbegin.o to find the start of
75       the constructors, so we make sure it is
76       first.  Because this is a wildcard, it
77       doesn't matter if the user does not
78       actually link against crtbegin.o; the
79       linker won't look for a file to match a
80       wildcard.  The wildcard also means that it
81       doesn't matter which directory crtbegin.o
82       is in.  */
83    KEEP (*crtbegin.o(.ctors))
84    KEEP (*crtbegin?.o(.ctors))
85    /* We don't want to include the .ctor section from
86       the crtend.o file until after the sorted ctors.
87       The .ctor section from the crtend file contains the
88       end of ctors marker and it must be last */
89    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
90    KEEP (*(SORT(.ctors.*)))
91    KEEP (*(.ctors))
92    KEEP (*crtbegin.o(.dtors))
93    KEEP (*crtbegin?.o(.dtors))
94    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
95    KEEP (*(SORT(.dtors.*)))
96    KEEP (*(.dtors))
97
98    _rodata_start = . ;
99    *(.rodata*)
100    *(.gnu.linkonce.r*)
101    _erodata = ALIGN( 0x10 ) ;
102
103    etext = ALIGN(0x10);
104    _etext = .;
105    KEEP(*(.init))
106    KEEP(*(.fini))
107    *(.lit)
108    *(.shdata)
109    . = ALIGN (16);
110  } > ram
111  .rtemsroset : {
112    /* for pre rtems-libbsd FreeBSD code */
113    __start_set_sysctl_set = .;
114    KEEP(*(set_sysctl_*));
115    __stop_set_sysctl_set = .;
116    KEEP(*(set_domain_*));
117    KEEP(*(set_pseudo_*));
118
119    KEEP (*(SORT(.rtemsroset.*)))
120
121    . = ALIGN (16);
122    _endtext = .;
123  } >ram
124  .rela.dyn       :
125    {
126      *(.rela.init)
127      *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
128      *(.rela.fini)
129      *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
130      *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
131      *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
132      *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
133      *(.rela.ctors)
134      *(.rela.dtors)
135      *(.rela.got)
136      *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
137    } >ram
138  .data :
139  {
140    data_start = .;
141    _data_start = .;
142    _sdata = . ;
143    *(.data*)
144    *(.gnu.linkonce.d*)
145    *(.gcc_except_table*)
146    . = ALIGN(0x10);
147    edata = .;
148    _edata = .;
149  } > ram
150  .rtemsrwset : {
151    KEEP (*(SORT(.rtemsrwset.*)))
152  } >ram
153  .dynamic        : { *(.dynamic)       } >ram
154  .jcr            : { *(.jcr)           } >ram
155  .got            : { *(.got)           } >ram
156  .plt            : { *(.plt)           } >ram
157  .hash           : { *(.hash)          } >ram
158  .dynrel         : { *(.dynrel)        } >ram
159  .dynsym         : { *(.dynsym)        } >ram
160  .dynstr         : { *(.dynstr)        } >ram
161  .hash           : { *(.hash)          } >ram
162  .shbss :
163  {
164    *(.shbss)
165  } > ram
166  .bss :
167  {
168    __bss_start = ALIGN(0x8);
169    _bss_start = .;
170    bss_start = .;
171    *(.bss .bss* .gnu.linkonce.b*)
172    *(COMMON)
173    . = ALIGN (16);
174    end = .;
175    _end = ALIGN(0x8);
176    __end = ALIGN(0x8);
177  } > ram
178  .stab . (NOLOAD) :
179  {
180    [ .stab ]
181  }
182  .stabstr . (NOLOAD) :
183  {
184    [ .stabstr ]
185  }
186}
Note: See TracBrowser for help on using the repository browser.