source: trunk/libs/newlib/src/libgloss/mips/mti64.ld @ 476

Last change on this file since 476 was 444, checked in by satin@…, 6 years ago

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

File size: 5.0 KB
RevLine 
[444]1/* The following TEXT start address leaves space for the monitor
2   workspace.  This linker script links ISA64r2 programs for use with the
3   simulator.  We set the ISA explicitly so that we can link objects of
4   different ISAs that are subsets of ISA64r2 but are not extensions of
5   each other (e.g., MIPS32r2 and MIPS64).  */
6
7ENTRY(_start)
8OUTPUT_ARCH("mips:isa64r2")
9OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips")
10GROUP(-lc -lidt -lgcc)
11SEARCH_DIR(.)
12__DYNAMIC  =  0;
13STARTUP(crt0.o)
14
15/*
16 * Allocate the stack to be at the top of memory, since the stack
17 * grows down
18 */
19PROVIDE (__stack = 0);
20/* PROVIDE (__global = 0); */
21
22/*
23 * Initalize some symbols to be zero so we can reference them in the
24 * crt0 without core dumping. These functions are all optional, but
25 * we do this so we can have our crt0 always use them if they exist.
26 * This is so BSPs work better when using the crt0 installed with gcc.
27 * We have to initalize them twice, so we multiple object file
28 * formats, as some prepend an underscore.
29 */
30PROVIDE (hardware_exit_hook = 0);
31PROVIDE (hardware_hazard_hook = 0);
32PROVIDE (hardware_init_hook = 0);
33PROVIDE (software_init_hook = 0);
34
35SECTIONS
36{
37  . = 0x80020000;
38  .text : {
39     _ftext = . ;
40    PROVIDE (eprol  =  .);
41    *(.text)
42    *(.text.*)
43    *(.gnu.linkonce.t.*)
44    *(.mips16.fn.*)
45    *(.mips16.call.*)
46  }
47  .init : {
48    KEEP (*(.init))
49  }
50  .fini : {
51    KEEP (*(.fini))
52  }
53  .rel.sdata : {
54    PROVIDE (__runtime_reloc_start = .);
55    *(.rel.sdata)
56    PROVIDE (__runtime_reloc_stop = .);
57  }
58  PROVIDE (etext  =  .);
59  _etext  =  .;
60
61  .eh_frame_hdr : { *(.eh_frame_hdr) }
62  .eh_frame : { KEEP (*(.eh_frame)) }
63  .gcc_except_table : { *(.gcc_except_table) }
64  .jcr : { KEEP (*(.jcr)) }
65  .ctors    :
66  {
67    /* gcc uses crtbegin.o to find the start of
68       the constructors, so we make sure it is
69       first.  Because this is a wildcard, it
70       doesn't matter if the user does not
71       actually link against crtbegin.o; the
72       linker won't look for a file to match a
73       wildcard.  The wildcard also means that it
74       doesn't matter which directory crtbegin.o
75       is in.  */
76
77    KEEP (*crtbegin.o(.ctors))
78
79    /* We don't want to include the .ctor section from
80       from the crtend.o file until after the sorted ctors.
81       The .ctor section from the crtend file contains the
82       end of ctors marker and it must be last */
83
84    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
85    KEEP (*(SORT(.ctors.*)))
86    KEEP (*(.ctors))
87  }
88
89  .dtors    :
90  {
91    KEEP (*crtbegin.o(.dtors))
92    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
93    KEEP (*(SORT(.dtors.*)))
94    KEEP (*(.dtors))
95  }
96
97  . = .;
98  .MIPS.abiflags : {
99    __MIPS_abiflags_start = .;
100    *(.MIPS.abiflags)
101    __MIPS_abiflags_end = .;
102  }
103  .rodata : {
104    *(.rdata)
105    *(.rodata)
106    *(.rodata.*)
107    *(.gnu.linkonce.r.*)
108  }
109   _fdata = ALIGN(16);
110  .data : {
111    *(.data)
112    *(.data.*)
113    *(.gnu.linkonce.d.*)
114  }
115  . = ALIGN(8);
116  _gp = . + 0x8000;
117  __global = _gp;
118  .lit8 : {
119    *(.lit8)
120  }
121  .lit4 : {
122    *(.lit4)
123  }
124  .sdata : {
125    *(.sdata)
126    *(.sdata.*)
127    *(.gnu.linkonce.s.*)
128  }
129  . = ALIGN(4);
130  PROVIDE (edata  =  .);
131  _edata  =  .;
132  _fbss = .;
133  .sbss : {
134    *(.sbss)
135    *(.sbss.*)
136    *(.gnu.linkonce.sb.*)
137    *(.scommon)
138  }
139  .bss : {
140    _bss_start = . ;
141    *(.bss)
142    *(.bss.*)
143    *(.gnu.linkonce.b.*)
144    *(COMMON)
145  }
146
147  . = ALIGN(4);
148  PROVIDE (end = .);
149  _end = .;
150
151  /* DWARF debug sections.
152     Symbols in the DWARF debugging sections are relative to
153     the beginning of the section so we begin them at 0.  */
154
155  /* DWARF 1 */
156  .debug          0 : { *(.debug) }
157  .line           0 : { *(.line) }
158
159  /* GNU DWARF 1 extensions */
160  .debug_srcinfo  0 : { *(.debug_srcinfo) }
161  .debug_sfnames  0 : { *(.debug_sfnames) }
162
163  /* DWARF 1.1 and DWARF 2 */
164  .debug_aranges  0 : { *(.debug_aranges) }
165  .debug_pubnames 0 : { *(.debug_pubnames) }
166
167  /* DWARF 2 */
168  .debug_info     0 : { *(.debug_info) }
169  .debug_abbrev   0 : { *(.debug_abbrev) }
170  .debug_line     0 : { *(.debug_line) }
171  .debug_frame    0 : { *(.debug_frame) }
172  .debug_str      0 : { *(.debug_str) }
173  .debug_loc      0 : { *(.debug_loc) }
174  .debug_macinfo  0 : { *(.debug_macinfo) }
175  .debug_ranges   0 : { *(.debug_ranges) }
176
177  /* SGI/MIPS DWARF 2 extensions */
178  .debug_weaknames 0 : { *(.debug_weaknames) }
179  .debug_funcnames 0 : { *(.debug_funcnames) }
180  .debug_typenames 0 : { *(.debug_typenames) }
181  .debug_varnames  0 : { *(.debug_varnames) }
182
183  /* Special sections generated by gcc */
184  /* Newer GNU linkers strip by default */
185  .mdebug.abi32            0 : { KEEP(*(.mdebug.abi32)) }
186  .mdebug.abiN32           0 : { KEEP(*(.mdebug.abiN32)) }
187  .mdebug.abi64            0 : { KEEP(*(.mdebug.abi64)) }
188  .mdebug.abiO64           0 : { KEEP(*(.mdebug.abiO64)) }
189  .mdebug.eabi32           0 : { KEEP(*(.mdebug.eabi32)) }
190  .mdebug.eabi64           0 : { KEEP(*(.mdebug.eabi64)) }
191  .gcc_compiled_long32     0 : { KEEP(*(.gcc_compiled_long32)) }
192  .gcc_compiled_long64     0 : { KEEP(*(.gcc_compiled_long64)) }
193}
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