source: rtems/c/src/lib/libbsp/powerpc/dmv177/startup/linkcmds @ 4e36a2f

4.104.114.84.95
Last change on this file since 4e36a2f was add0545d, checked in by Joel Sherrill <joel.sherrill@…>, on 10/06/99 at 18:05:39

Added sections as required by C++ and ELF.

  • Property mode set to 100644
File size: 5.6 KB
Line 
1OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
2              "elf32-powerpc")
3OUTPUT_ARCH(powerpc)
4ENTRY(_start)
5
6/*
7 *  Number of Decrementer countdowns per millisecond
8 *
9 *  Calculated by:  (66.67 Mhz * 1000) / 4 cycles per click
10 *
11
12PROVIDE(CPU_PPC_CLICKS_PER_MS = 16667);
13*/
14
15MEMORY
16  {
17        RAM : ORIGIN = 0x41000, LENGTH = 32M
18        EPROM : ORIGIN = 0xFFF00000, LENGTH = 0x20000
19  }
20
21SECTIONS
22{
23  /* Read-only sections, merged into text segment: */
24  /* . = 0x40000 + SIZEOF_HEADERS; */
25  /* . = 0x1000000;*/
26  . = 0x41000;
27  .interp   : { *(.interp) }
28  .hash           : { *(.hash)          }
29  .dynsym         : { *(.dynsym)                }
30  .dynstr         : { *(.dynstr)                }
31  .rela.text      : { *(.rela.text)     }
32  .rela.data      : { *(.rela.data)     }
33  .rela.rodata    : { *(.rela.rodata)   }
34  .rela.got       : { *(.rela.got)      }
35  .rela.got1      : { *(.rela.got1)     }
36  .rela.got2      : { *(.rela.got2)     }
37  .rela.ctors     : { *(.rela.ctors)    }
38  .rela.dtors     : { *(.rela.dtors)    }
39  .rela.init      : { *(.rela.init)     }
40  .rela.fini      : { *(.rela.fini)     }
41  .rela.bss       : { *(.rela.bss)      }
42  .rela.plt       : { *(.rela.plt)      }
43  .rela.sdata     : { *(.rela.sdata2)   }
44  .rela.sbss      : { *(.rela.sbss2)    }
45  .rela.sdata2    : { *(.rela.sdata2)   }
46  .rela.sbss2     : { *(.rela.sbss2)    }
47  .plt   : { *(.plt) }
48  .text      :
49  {
50    *(.text)
51    *(.gnu.linkonce.t.*)
52    *(.descriptors)
53    /* .gnu.warning sections are handled specially by elf32.em.  */
54    *(.gnu.warning)
55  } >RAM
56  .init           : { *(.init)          } >RAM
57  .fini           : { *(.fini)          } >RAM
58  .rodata         : { *(.rodata) *(.gnu.linkonce.r*) } >RAM
59  .rodata1        : { *(.rodata1)       } >RAM
60  _etext = .;
61  PROVIDE (etext = .);
62  PROVIDE (__SDATA2_START__ = .);
63  .sdata2         : { *(.sdata2)        } >RAM
64  .sbss2          : { *(.sbss2)         } >RAM
65  PROVIDE (__SBSS2_END__ = .);
66  /* Adjust the address for the data segment.  We want to adjust up to
67     the same address within the page on the next page up.  It would
68     be more correct to do this:
69       . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1));
70     The current expression does not correctly handle the case of a
71     text segment ending precisely at the end of a page; it causes the
72     data segment to skip a page.  The above expression does not have
73     this problem, but it will currently (2/95) cause BFD to allocate
74     a single segment, combining both text and data, for this case.
75     This will prevent the text segment from being shared among
76     multiple executions of the program; I think that is more
77     important than losing a page of the virtual address space (note
78     that no actual memory is lost; the page which is skipped can not
79     be referenced).  */
80  . =  ALIGN(8) + 0x40000;
81  PROVIDE (sdata = .);
82  .data    :
83  {
84    *(.data)
85    *(.gnu.linkonce.d.*)
86    CONSTRUCTORS
87  } >RAM
88  PROVIDE (__EXCEPT_START__ = .);
89  .gcc_except_table   : { *(.gcc_except_table) } >RAM
90  PROVIDE (__EXCEPT_END__ = .);
91
92  .data1          : { *(.data1)         } >RAM
93  .got1           : { *(.got1)          } >RAM
94  .dynamic        : { *(.dynamic)       } >RAM
95  /* Put .ctors and .dtors next to the .got2 section, so that the pointers
96     get relocated with -mrelocatable. Also put in the .fixup pointers.
97     The current compiler no longer needs this, but keep it around for 2.7.2  */
98  PROVIDE (_GOT2_START_ = .);
99  PROVIDE (__GOT2_START__ = .);
100  .got2           :  { *(.got2)         } >RAM
101  PROVIDE (_GOT2_END_ = .);
102  PROVIDE (__GOT2_END__ = .);
103
104  PROVIDE (__CTOR_LIST__ = .);
105  .ctors          : { *(.ctors)         } >RAM
106  PROVIDE (__CTOR_END__ = .);
107
108  PROVIDE (__DTOR_LIST__ = .);
109  .dtors          : { *(.dtors)         } >RAM
110  PROVIDE (__DTOR_END__ = .);
111
112  PROVIDE (_FIXUP_START_ = .);
113  PROVIDE (__FIXUP_START__ = .);
114  .fixup          : { *(.fixup)         } >RAM
115  PROVIDE (_FIXUP_END_ = .);
116  PROVIDE (__FIXUP_END__ = .);
117
118  PROVIDE (_GOT2_END_ = .);
119  PROVIDE (_GOT_START_ = .);
120  s.got = .;
121  .got            : { *(.got)           } >RAM
122  .got.plt        : { *(.got.plt)       } >RAM
123  PROVIDE (_GOT_END_ = .);
124  PROVIDE (__GOT_END__ = .);
125
126  /* We want the small data sections together, so single-instruction offsets
127     can access them all, and initialized data all before uninitialized, so
128     we can shorten the on-disk segment size.  */
129  PROVIDE (__SDATA_START__ = .);
130  .sdata          : { *(.sdata)         } >RAM
131  _edata  =  .;
132  PROVIDE (edata = .);
133
134  PROVIDE (RAM_END = 4M);
135  .sbss      :
136  {
137    PROVIDE (__sbss_start = .);
138    *(.sbss)
139    *(.scommon)
140    PROVIDE (__sbss_end = .);
141  } >RAM
142  PROVIDE (__SBSS_END__ = .);
143  .bss       :
144  {
145   PROVIDE (__bss_start = .);
146   *(.dynbss)
147   *(.bss)
148   *(COMMON)
149  } >RAM
150  . =  ALIGN(8) + 0x8000;
151  PROVIDE (__stack = .);
152  _end = . ;
153  PROVIDE (end = .);
154
155  /* These are needed for ELF backends which have not yet been
156     converted to the new style linker.  */
157  .stab 0 : { *(.stab) }
158  .stabstr 0 : { *(.stabstr) }
159  /* DWARF debug sections.
160     Symbols in the DWARF debugging sections are relative to the beginning
161     of the section so we begin them at 0.  */
162  /* DWARF 1 */
163  .debug          0 : { *(.debug) }
164  .line           0 : { *(.line) }
165  /* GNU DWARF 1 extensions */
166  .debug_srcinfo  0 : { *(.debug_srcinfo) }
167  .debug_sfnames  0 : { *(.debug_sfnames) }
168  /* DWARF 1.1 and DWARF 2 */
169  .debug_aranges  0 : { *(.debug_aranges) }
170  .debug_pubnames 0 : { *(.debug_pubnames) }
171  /* DWARF 2 */
172  .debug_info     0 : { *(.debug_info) }
173  .debug_abbrev   0 : { *(.debug_abbrev) }
174  .debug_line     0 : { *(.debug_line) }
175  .debug_frame    0 : { *(.debug_frame) }
176  .debug_str      0 : { *(.debug_str) }
177  .debug_loc      0 : { *(.debug_loc) }
178  .debug_macinfo  0 : { *(.debug_macinfo) }
179  /* SGI/MIPS DWARF 2 extensions */
180  .debug_weaknames 0 : { *(.debug_weaknames) }
181  .debug_funcnames 0 : { *(.debug_funcnames) }
182  .debug_typenames 0 : { *(.debug_typenames) }
183  .debug_varnames  0 : { *(.debug_varnames) }
184  /* These must appear regardless of  .  */
185}
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