source: trunk/libs/newlib/src/libgloss/mips/jmr3904dram.ld @ 687

Last change on this file since 687 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 3.2 KB
RevLine 
[444]1/* Linker script forJMR 3904 board */
2
3ENTRY(_start)
4STARTUP(crt0.o)
5OUTPUT_ARCH("mips:3000")
6OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")
7GROUP(-lc -ljmr3904 -lgcc)
8SEARCH_DIR(.)
9__DYNAMIC  =  0;
10
11PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */
12                                /* but this is 1 Mb */
13
14/* PROVIDE (__global = 0); */
15
16/*
17 * Initalize some symbols to be zero so we can reference them in the
18 * crt0 without core dumping. These functions are all optional, but
19 * we do this so we can have our crt0 always use them if they exist.
20 * This is so BSPs work better when using the crt0 installed with gcc.
21 * We have to initalize them twice, so we multiple object file
22 * formats, as some prepend an underscore.
23 */
24PROVIDE (hardware_exit_hook = 0);
25PROVIDE (hardware_hazard_hook = 0);
26PROVIDE (hardware_init_hook = 0);
27PROVIDE (software_init_hook = 0);
28
29SECTIONS
30{       
31  /* Load everything into DRAM, except for the stack.  Put stack in SRAM */
32  . = 0x88000000;
33      /* This is NOT the address which fits with the monitor from jmr. */
34      /* It fits the Cygmon ROMS */
35  .text : {
36     _ftext = . ;
37    KEEP (*(.init))
38     eprol  =  .;
39    *(.text)
40    *(.text.*)
41    *(.gnu.linkonce.t.*)
42    *(.mips16.fn.*)
43    *(.mips16.call.*)
44    PROVIDE (__runtime_reloc_start = .);
45    *(.rel.sdata)
46    PROVIDE (__runtime_reloc_stop = .);
47    KEEP (*(.fini))
48     etext  =  .;
49     _etext  =  .;
50  }
51  . = .;
52  .rdata : {
53    *(.rdata)
54    *(.rodata)
55    *(.rodata.*)
56    *(.gnu.linkonce.r.*)
57  }
58   _fdata = ALIGN(16);
59  .data : {
60    *(.data)
61    *(.data.*)
62    *(.gnu.linkonce.d.*)
63    CONSTRUCTORS
64  }
65  . = ALIGN(8);
66  _gp = . + 0x8000;
67  __global = _gp;
68  .lit8 : {
69    *(.lit8)
70  }
71  .lit4 : {
72    *(.lit4)
73  }
74  .sdata : {
75    *(.sdata)
76    *(.sdata.*)
77    *(.gnu.linkonce.s.*)
78  }
79  . = ALIGN(4);
80   edata  =  .;
81   _edata  =  .;
82   _fbss = .;
83  .sbss : {
84    *(.sbss)
85    *(.sbss.*)
86    *(.gnu.linkonce.sb.*)
87    *(.scommon)
88  }
89  .bss : {
90    _bss_start = . ;
91    *(.bss)
92    *(.bss.*)
93    *(.gnu.linkonce.b.*)
94    *(COMMON)
95  }
96
97   end = .;
98   _end = .;
99
100   /* Put stack in SRAM (8 Kb); this size is the same as the stack from
101      the original script (when everything was in SRAM). */
102   __stack = 0x8000A000;
103
104  /* DWARF debug sections.
105     Symbols in the DWARF debugging sections are relative to
106     the beginning of the section so we begin them at 0.  */
107
108  /* DWARF 1 */
109  .debug          0 : { *(.debug) }
110  .line           0 : { *(.line) }
111
112  /* GNU DWARF 1 extensions */
113  .debug_srcinfo  0 : { *(.debug_srcinfo) }
114  .debug_sfnames  0 : { *(.debug_sfnames) }
115
116  /* DWARF 1.1 and DWARF 2 */
117  .debug_aranges  0 : { *(.debug_aranges) }
118  .debug_pubnames 0 : { *(.debug_pubnames) }
119
120  /* DWARF 2 */
121  .debug_info     0 : { *(.debug_info) }
122  .debug_abbrev   0 : { *(.debug_abbrev) }
123  .debug_line     0 : { *(.debug_line) }
124  .debug_frame    0 : { *(.debug_frame) }
125  .debug_str      0 : { *(.debug_str) }
126  .debug_loc      0 : { *(.debug_loc) }
127  .debug_macinfo  0 : { *(.debug_macinfo) }
128  .debug_ranges   0 : { *(.debug_ranges) }
129
130  /* SGI/MIPS DWARF 2 extensions */
131  .debug_weaknames 0 : { *(.debug_weaknames) }
132  .debug_funcnames 0 : { *(.debug_funcnames) }
133  .debug_typenames 0 : { *(.debug_typenames) }
134  .debug_varnames  0 : { *(.debug_varnames) }
135}
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