boot.ldscript revision 1.1
1/* Script for -N: mix text and data on same page; don't align data */
2OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips",
3	      "elf32-tradlittlemips")
4OUTPUT_ARCH(mips)
5ENTRY(__start)
6SEARCH_DIR("=/usr/lib");
7SECTIONS
8{
9  /* Read-only sections, merged into text segment: */
10  PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x20000000)); . = SEGMENT_START("text-segment", 0x20000000) + SIZEOF_HEADERS;
11  .interp         : { *(.interp) }
12  .reginfo        : { *(.reginfo) }
13  .note.gnu.build-id : { *(.note.gnu.build-id) }
14  .dynamic        : { *(.dynamic) }
15  .hash           : { *(.hash) }
16  .gnu.hash       : { *(.gnu.hash) }
17  .dynsym         : { *(.dynsym) }
18  .dynstr         : { *(.dynstr) }
19  .gnu.version    : { *(.gnu.version) }
20  .gnu.version_d  : { *(.gnu.version_d) }
21  .gnu.version_r  : { *(.gnu.version_r) }
22  .rel.init       : { *(.rel.init) }
23  .rela.init      : { *(.rela.init) }
24  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
25  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
26  .rel.fini       : { *(.rel.fini) }
27  .rela.fini      : { *(.rela.fini) }
28  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
29  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
30  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
31  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
32  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
33  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
34  .rel.tdata	  : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
35  .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
36  .rel.tbss	  : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
37  .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
38  .rel.ctors      : { *(.rel.ctors) }
39  .rela.ctors     : { *(.rela.ctors) }
40  .rel.dtors      : { *(.rel.dtors) }
41  .rela.dtors     : { *(.rela.dtors) }
42  .rel.got        : { *(.rel.got) }
43  .rela.got       : { *(.rela.got) }
44  .rel.dyn        : { *(.rel.dyn) }
45  .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
46  .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
47  .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
48  .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
49  .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
50  .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
51  .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
52  .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
53  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
54  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
55  .rel.iplt       :
56    {
57      PROVIDE_HIDDEN (__rel_iplt_start = .);
58      *(.rel.iplt)
59      PROVIDE_HIDDEN (__rel_iplt_end = .);
60    }
61  .rela.iplt      :
62    {
63      PROVIDE_HIDDEN (__rela_iplt_start = .);
64      *(.rela.iplt)
65      PROVIDE_HIDDEN (__rela_iplt_end = .);
66    }
67  .rel.plt        :
68    {
69      *(.rel.plt)
70    }
71  .rela.plt       :
72    {
73      *(.rela.plt)
74    }
75  .init           :
76  {
77    KEEP (*(.init))
78  } =0
79  .plt            : { *(.plt) }
80  .iplt           : { *(.iplt) }
81  .text           :
82  {
83    _ftext = . ;
84    *(.text.unlikely .text.*_unlikely)
85    *(.text.exit .text.exit.*)
86    *(.text.startup .text.startup.*)
87    *(.text.hot .text.hot.*)
88    *(.text .stub .text.* .gnu.linkonce.t.*)
89    /* .gnu.warning sections are handled specially by elf32.em.  */
90    *(.gnu.warning)
91    *(.mips16.fn.*) *(.mips16.call.*)
92  } =0
93  .fini           :
94  {
95    KEEP (*(.fini))
96  } =0
97  PROVIDE (__etext = .);
98  PROVIDE (_etext = .);
99  PROVIDE (etext = .);
100  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
101  .rodata1        : { *(.rodata1) }
102  .sdata2         :
103  {
104    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
105  }
106  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
107  .eh_frame_hdr : { *(.eh_frame_hdr) }
108  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
109  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
110  /* Adjust the address for the data segment.  We want to adjust up to
111     the same address within the page on the next page up.  */
112  . = .;
113  /* Exception handling  */
114  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
115  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
116  /* Thread Local Storage sections  */
117  .tdata	  : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
118  .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
119  .preinit_array     :
120  {
121    PROVIDE_HIDDEN (__preinit_array_start = .);
122    KEEP (*(.preinit_array))
123    PROVIDE_HIDDEN (__preinit_array_end = .);
124  }
125  .init_array     :
126  {
127    PROVIDE_HIDDEN (__init_array_start = .);
128    KEEP (*(SORT(.init_array.*)))
129    KEEP (*(.init_array))
130    PROVIDE_HIDDEN (__init_array_end = .);
131  }
132  .fini_array     :
133  {
134    PROVIDE_HIDDEN (__fini_array_start = .);
135    KEEP (*(SORT(.fini_array.*)))
136    KEEP (*(.fini_array))
137    PROVIDE_HIDDEN (__fini_array_end = .);
138  }
139  .ctors          :
140  {
141    /* gcc uses crtbegin.o to find the start of
142       the constructors, so we make sure it is
143       first.  Because this is a wildcard, it
144       doesn't matter if the user does not
145       actually link against crtbegin.o; the
146       linker won't look for a file to match a
147       wildcard.  The wildcard also means that it
148       doesn't matter which directory crtbegin.o
149       is in.  */
150    KEEP (*crtbegin.o(.ctors))
151    KEEP (*crtbegin?.o(.ctors))
152    /* We don't want to include the .ctor section from
153       the crtend.o file until after the sorted ctors.
154       The .ctor section from the crtend file contains the
155       end of ctors marker and it must be last */
156    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
157    KEEP (*(SORT(.ctors.*)))
158    KEEP (*(.ctors))
159  }
160  .dtors          :
161  {
162    KEEP (*crtbegin.o(.dtors))
163    KEEP (*crtbegin?.o(.dtors))
164    KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
165    KEEP (*(SORT(.dtors.*)))
166    KEEP (*(.dtors))
167  }
168  .jcr            : { KEEP (*(.jcr)) }
169  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
170  .data           :
171  {
172    _fdata = . ;
173    *(.data .data.* .gnu.linkonce.d.*)
174    SORT(CONSTRUCTORS)
175  }
176  .data1          : { *(.data1) }
177  .got.plt        : { *(.got.plt) }
178  . = .;
179  _gp = ALIGN(16) + 0x7ff0;
180  .got            : { *(.got) }
181  /* We want the small data sections together, so single-instruction offsets
182     can access them all, and initialized data all before uninitialized, so
183     we can shorten the on-disk segment size.  */
184  .sdata          :
185  {
186    *(.sdata .sdata.* .gnu.linkonce.s.*)
187  }
188  .lit8           : { *(.lit8) }
189  .lit4           : { *(.lit4) }
190  _edata = .; PROVIDE (edata = .);
191  __bss_start = .;
192  _fbss = .;
193  .sbss           :
194  {
195    *(.dynsbss)
196    *(.sbss .sbss.* .gnu.linkonce.sb.*)
197    *(.scommon)
198  }
199  .bss            :
200  {
201   *(.dynbss)
202   *(.bss .bss.* .gnu.linkonce.b.*)
203   *(COMMON)
204   /* Align here to ensure that the .bss section occupies space up to
205      _end.  Align after .bss to ensure correct alignment even if the
206      .bss section disappears because there are no input sections.
207      FIXME: Why do we need it? When there is no .bss section, we don't
208      pad the .data section.  */
209   . = ALIGN(. != 0 ? 32 / 8 : 1);
210  }
211  . = ALIGN(32 / 8);
212  . = ALIGN(32 / 8);
213  _end = .; PROVIDE (end = .);
214  /* Stabs debugging sections.  */
215  .stab          0 : { *(.stab) }
216  .stabstr       0 : { *(.stabstr) }
217  .stab.excl     0 : { *(.stab.excl) }
218  .stab.exclstr  0 : { *(.stab.exclstr) }
219  .stab.index    0 : { *(.stab.index) }
220  .stab.indexstr 0 : { *(.stab.indexstr) }
221  .comment       0 : { *(.comment) }
222  /* DWARF debug sections.
223     Symbols in the DWARF debugging sections are relative to the beginning
224     of the section so we begin them at 0.  */
225  /* DWARF 1 */
226  .debug          0 : { *(.debug) }
227  .line           0 : { *(.line) }
228  /* GNU DWARF 1 extensions */
229  .debug_srcinfo  0 : { *(.debug_srcinfo) }
230  .debug_sfnames  0 : { *(.debug_sfnames) }
231  /* DWARF 1.1 and DWARF 2 */
232  .debug_aranges  0 : { *(.debug_aranges) }
233  .debug_pubnames 0 : { *(.debug_pubnames) }
234  /* DWARF 2 */
235  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
236  .debug_abbrev   0 : { *(.debug_abbrev) }
237  .debug_line     0 : { *(.debug_line) }
238  .debug_frame    0 : { *(.debug_frame) }
239  .debug_str      0 : { *(.debug_str) }
240  .debug_loc      0 : { *(.debug_loc) }
241  .debug_macinfo  0 : { *(.debug_macinfo) }
242  /* SGI/MIPS DWARF 2 extensions */
243  .debug_weaknames 0 : { *(.debug_weaknames) }
244  .debug_funcnames 0 : { *(.debug_funcnames) }
245  .debug_typenames 0 : { *(.debug_typenames) }
246  .debug_varnames  0 : { *(.debug_varnames) }
247  /* DWARF 3 */
248  .debug_pubtypes 0 : { *(.debug_pubtypes) }
249  .debug_ranges   0 : { *(.debug_ranges) }
250  .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
251  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
252  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
253  .mdebug.abi32 : { KEEP(*(.mdebug.abi32)) }
254  .mdebug.abiN32 : { KEEP(*(.mdebug.abiN32)) }
255  .mdebug.abi64 : { KEEP(*(.mdebug.abi64)) }
256  .mdebug.abiO64 : { KEEP(*(.mdebug.abiO64)) }
257  .mdebug.eabi32 : { KEEP(*(.mdebug.eabi32)) }
258  .mdebug.eabi64 : { KEEP(*(.mdebug.eabi64)) }
259  .gcc_compiled_long32 : { KEEP(*(.gcc_compiled_long32)) }
260  .gcc_compiled_long64 : { KEEP(*(.gcc_compiled_long64)) }
261  /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
262}
263