OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [libgloss/] [sparc/] [cygmon.ld.src] - Blame information for rev 1767

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 39 lampret 
/*
2 
 *uncomment this if you want the linker to output srecords.
3 
OUTPUT_FORMAT(srec)
4 
 *
5 
 */
6 
ENTRY(start)
7 
OUTPUT_ARCH(TARGET_OBJ_FORMAT)
8 
SEARCH_DIR(.)
9 
STARTUP(cygmon-crt0.o)
10 
GROUP(cygmon-salib.o -lc -lgcc -lc)
11 
 
12 
/*
13 
 * The memory map looks like this:
14 
 * +--------------------+ <- low memory
15 
 * | .text              |
16 
 * |        _stext      |
17 
 * |        _etext      |
18 
 * |        ctor list   | the ctor and dtor lists are for
19 
 * |        dtor list   | C++ support
20 
 * |        _end_text   |
21 
 * +--------------------+
22 
 * | .data              | initialized data goes here
23 
 * |        _sdata      |
24 
 * |        _edata      |
25 
 * +--------------------+
26 
 * | .bss               |
27 
 * |        __bss_start | start of bss, cleared by crt0
28 
 * |        _end        | start of heap, used by sbrk()
29 
 * +--------------------+
30 
 * |    heap space      |
31 
 * |        _ENDHEAP    |
32 
 * |    stack space     |
33 
 * |        __stack     | top of stack
34 
 * +--------------------+ <- high memory
35 
 */
36 
 
37 
_STACK_SIZE = (16 * 1024);
38 
_RAM_SIZE = 1M;
39 
_RAM_START = TARGET_RAM_START;
40 
_RAM_END = _RAM_START + _RAM_SIZE;
41 
 
42 
/*
43 
 * Setup the standard memory map. The stack grows down towards low memory.
44 
 */
45 
MEMORY
46 
{
47 
  ram     : ORIGIN = TARGET_RAM_START, LENGTH = 1M
48 
}
49 
 
50 
__stack = (_RAM_START + _RAM_SIZE - 4 * 16) - _STACK_SIZE;
51 
 
52 
/*
53 
 * All the symbols that might be accessed from C code need to be
54 
 * listed twice, once with an additional underscore. aout format needs
55 
 * and extra underscore, whereas coff & elf doesn't. This is to work
56 
 * with both.
57 
 */
58 
/*
59 
 * Initalize some symbols to be zero so we can reference them in the
60 
 * crt0 without core dumping. These functions are all optional, but
61 
 * we do this so we can have our crt0 always use them if they exist.
62 
 * This is so BSPs work better when using the crt0 installed with gcc.
63 
 * We have to initalize them twice, so we cover a.out (which prepends
64 
 * an underscore) and coff object file formats.
65 
 */
66 
PROVIDE (hardware_init_hook = 0);
67 
PROVIDE (_hardware_init_hook = 0);
68 
PROVIDE (software_init_hook = 0);
69 
PROVIDE (_software_init_hook = 0);
70 
SECTIONS
71 
{
72 
  .text : {
73 
    stext = .;
74 
    _stext = .;
75 
    CREATE_OBJECT_SYMBOLS
76 
    *(.text)
77 
     __CTOR_LIST__ = .;
78 
    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
79 56 joel 
    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
80 
    KEEP (*(SORT(.ctors.*)))
81 
    KEEP (*crtend.o(.ctors))
82 39 lampret 
    LONG(0)
83 
    __CTOR_END__ = .;
84 
    __DTOR_LIST__ = .;
85 
    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
86 56 joel 
    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
87 
    KEEP (*(SORT(.dtors.*)))
88 
    KEEP (*crtend.o(.dtors))
89 39 lampret 
     LONG(0)
90 
    __DTOR_END__ = .;
91 
    *(.init)
92 
    *(.lit)
93 
    *(.rodata)
94 
    *(.shdata)
95 
    *(.eh_frame)
96 
    *(.gnu.linkonce.t*)
97 
    *(.gnu.linkonce.r*)
98 
    *(.gcc_except_table)
99 
    *(.fini)
100 
    _etext  =  .;
101 
  }  > ram
102 
  .shbss SIZEOF(.text) + ADDR(.text) :  {
103 
    *(.shbss)
104 
  }
105 
  .talias : { }  > ram
106 
  .data  : {
107 
    sdata  =  .;
108 
    _sdata  =  .;
109 
    *(.data)
110 
    *(.gnu.linkonce.d*)
111 
    edata  =  .;
112 
    _edata  =  .;
113 
  } > ram
114 
  .bss SIZEOF(.data) + ADDR(.data) : {
115 
   sbss = . ;
116 
   _sbss = . ;
117 
   __bss_start = ALIGN(0x8);
118 
   __bss_start = ALIGN(0x8);
119 
   *(.bss)
120 
   *(COMMON)
121 
     end = ALIGN(0x8);
122 
     _end = ALIGN(0x8);
123 
     __end = ALIGN(0x8);
124 
     ebss = .;
125 
     _ebss = .;
126 
  }
127 
  .mstack  : { }  > ram
128 
  .rstack  : { }  > ram
129 
  .stab  0 (NOLOAD) : {
130 
    [ .stab ]
131 
  }
132 
  .stabstr  0 (NOLOAD) :
133 
  {
134 
    [ .stabstr ]
135 
  }
136 
/* DWARF debug sections.
137 
   Symbols in the DWARF debugging sections are relative to the beginning
138 
   of the section so we begin them at 0.  */
139 
/* DWARF 1 */
140 
  .debug    0 (NOLOAD) :
141 
  {
142 
    [ .debug ]
143 
  }
144 
  .line     0 (NOLOAD) :
145 
  {
146 
    [ .line ]
147 
  }
148 
/* GNU DWARF 1 extensions */
149 
  .debug_srcinfo 0 (NOLOAD) :
150 
  {
151 
    [ .debug_srcinfo ]
152 
  }
153 
  .debug_sfnames  0 (NOLOAD) :
154 
  {
155 
    [ .debug_sfnames ]
156 
  }
157 
/* DWARF 1.1 and DWARF 2 */
158 
  .debug_aranges  0 (NOLOAD) :
159 
  {
160 
    [ .debug_aranges ]
161 
  }
162 
  .debug_pubnames 0 (NOLOAD) :
163 
  {
164 
    [ .debug_pubnames ]
165 
  }
166 
/* DWARF 2 */
167 
  .debug_info     0 (NOLOAD) :
168 
  {
169 
    [ .debug_info ]
170 
  }
171 
  .debug_abbrev   0 (NOLOAD) :
172 
  {
173 
    [ .debug_abbrev ]
174 
  }
175 
  .debug_line     0 (NOLOAD) :
176 
  {
177 
    [ .debug_line ]
178 
  }
179 
  .debug_frame    0 (NOLOAD) :
180 
  {
181 
    [ .debug_frame ]
182 
  }
183 
  .debug_str      0 (NOLOAD) :
184 
  {
185 
    [ .debug_str ]
186 
  }
187 
  .debug_loc      0 (NOLOAD) :
188 
  {
189 
    [ .debug_loc ]
190 
  }
191 
  .debug_macinfo  0 (NOLOAD) :
192 
  {
193 
    [ .debug_macinfo ]
194 
  }
195 
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.