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

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib/] [libgloss/] [mips/] [array.ld] - Blame information for rev 1777

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

Line No. Rev Author Line
1 39 lampret 
/*
2 
 * memory map assumed by prom and standalone system
3 
 *
4 
 * physical     kseg1                   use
5 
 *
6 
 * 0x1fc20000   0xbfc20000
7 
 * to                                   prom text and read-only data
8 
 * 0x1fc00000   0xbfc00000              (in cpu board "prom space")
9 
 *
10 
 * (Top of RAM - 8K) downward           sash and standalone program stack
11 
 *              |                       ( - 8K to preserve kernel message bufs)
12 
 *              V                       (standalone programs grow their stack
13 
 *                                       immediately below sash's stack)
14 
 *
15 
 *              ^
16 
 *              |
17 
 * 0x00100000   0xa0100000 upward       sash program text, data, and bss
18 
 *
19 
 *              ^
20 
 *              |
21 
 * 0x00020000   0xa0020000 upward       standalone program text, data, and bss
22 
 *                                      (kernel is loaded here, also)
23 
 *
24 
 * 0x0001ffff   0xa001ffff downward     dbgmon stack
25 
 *              |
26 
 *              V
27 
 *
28 
 *              ^
29 
 *              |
30 
 * 0x00010000   0xa0010000 upward       dbgmon text, data, and bss
31 
 *
32 
 * 0x0000ffff   0xa000ffff downward     prom monitor stack
33 
 *              |
34 
 *              V
35 
 *
36 
 *              ^
37 
 *              |
38 
 * 0x00000500   0xa0000500 upward       prom monitor bss
39 
 *
40 
 * 0x000004ff   0xa00004ff
41 
 * to                                   restart block
42 
 * 0x00000400   0xa0000400
43 
 *
44 
 * 0x000003ff   0xa00003ff
45 
 * to                                   general exception code
46 
 * 0x00000080   0xa0000080              (note cpu addresses as 0x80000080!)
47 
 *
48 
 * 0x0000007f   0xa000007f
49 
 * to                                   utlbmiss exception code
50 
 * 0x00000000   0xa0000000              (note cpu addresses as 0x80000000!)
51 
 */
52 
 
53 
/* Uncomment this if you want srecords.
54 
OUTPUT_FORMAT(srec)
55 
 */
56 
ENTRY(start)
57 
STARTUP(crt0.o)
58 
INPUT(array.o)
59 
SEARCH_DIR(.)
60 
__DYNAMIC  =  0;
61 
 
62 
/*
63 
 * Allocate the stack to be at the top of memory, since the stack
64 
 * grows down
65 
 *
66 
PROVIDE (__stack = 1M - 8);
67 
 */
68 
 
69 
/*
70 
 * Initalize some symbols to be zero so we can reference them in the
71 
 * crt0 without core dumping. These functions are all optional, but
72 
 * we do this so we can have our crt0 always use them if they exist.
73 
 * This is so BSPs work better when using the crt0 installed with gcc.
74 
 * We have to initalize them twice, so we multiple object file
75 
 * formats, as some prepend an underscore.
76 
 */
77 
PROVIDE (hardware_init_hook = 0);
78 
PROVIDE (software_init_hook = 0);
79 
 
80 
SECTIONS
81 
{
82 
  . = 0x80020000;
83 
  .text : {
84 
     _ftext = . ;
85 
    *(.init)
86 
     eprol  =  .;
87 
    *(.text)
88 56 joel 
    *(.text.*)
89 
    *(.gnu.linkonce.t*)
90 39 lampret 
    *(.mips16.fn.*)
91 
    *(.mips16.call.*)
92 
    PROVIDE (__runtime_reloc_start = .);
93 
    *(.rel.sdata)
94 
    PROVIDE (__runtime_reloc_stop = .);
95 
    *(.fini)
96 
     etext  =  .;
97 
     _etext  =  .;
98 
  }
99 56 joel 
 
100 
  .ctors    :
101 
  {
102 
    /* gcc uses crtbegin.o to find the start of
103 
       the constructors, so we make sure it is
104 
       first.  Because this is a wildcard, it
105 
       doesn't matter if the user does not
106 
       actually link against crtbegin.o; the
107 
       linker won't look for a file to match a
108 
       wildcard.  The wildcard also means that it
109 
       doesn't matter which directory crtbegin.o
110 
       is in.  */
111 
 
112 
    KEEP (*crtbegin.o(.ctors))
113 
 
114 
    /* We don't want to include the .ctor section from
115 
       from the crtend.o file until after the sorted ctors.
116 
       The .ctor section from the crtend file contains the
117 
       end of ctors marker and it must be last */
118 
 
119 
    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
120 
    KEEP (*(SORT(.ctors.*)))
121 
    KEEP (*(.ctors))
122 
  }
123 
 
124 
  .dtors    :
125 
  {
126 
    KEEP (*crtbegin.o(.dtors))
127 
    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
128 
    KEEP (*(SORT(.dtors.*)))
129 
    KEEP (*(.dtors))
130 
  }
131 
 
132 39 lampret 
  . = .;
133 
  .rdata : {
134 
    *(.rdata)
135 56 joel 
    *(.rodata)
136 
    *(.rodata.*)
137 
    *(.gnu.linkonce.r*)
138 39 lampret 
  }
139 
   _fdata = ALIGN(16);
140 
  .data : {
141 
    *(.data)
142 56 joel 
    *(.data.*)
143 
    *(.gnu.linkonce.d*)
144 39 lampret 
  }
145 
   _gp = ALIGN(16) + 0x8000;
146 
  .lit8 : {
147 
    *(.lit8)
148 
  }
149 
  .lit4 : {
150 
    *(.lit4)
151 
  }
152 
  .sdata : {
153 
    *(.sdata)
154 56 joel 
    *(.sdata.*)
155 
    *(.gnu.linkonce.s*)
156 39 lampret 
  }
157 
   edata  =  .;
158 
   _edata  =  .;
159 
   _fbss = .;
160 
  .sbss : {
161 
    *(.sbss)
162 
    *(.scommon)
163 
  }
164 
  .bss : {
165 
    _bss_start = . ;
166 
    *(.bss)
167 
    *(COMMON)
168 
  }
169 
   end = .;
170 
   _end = .;
171 
}

powered by: WebSVN 2.1.0

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