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comparison src/ppc.ldscript @ 276:6330739388db r21-0b36

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Import from CVS: tag r21-0b36
author cvs
date Mon, 13 Aug 2007 10:30:37 +0200
parents e70b3a057e12
children
comparison
equal deleted inserted replaced
275:a68ae4439f57 276:6330739388db
1 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", 1 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
2 "elf32-powerpc") 2 "elf32-powerpc")
3 OUTPUT_ARCH(powerpc) 3 OUTPUT_ARCH(powerpc)
4 ENTRY(_start) 4 ENTRY(_start)
5 SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/ppc-linux-elf/lib); 5 SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/powerpc-unknown-linux-gnulibc1/lib);
6 /* Do we need any of these for elf? 6 /* Do we need any of these for elf?
7 __DYNAMIC = 0; */ 7 __DYNAMIC = 0; */
8 PROVIDE (__stack = 0); 8 PROVIDE (__stack = 0);
9 SECTIONS 9 SECTIONS
10 { 10 {
11 /* Read-only sections, merged into text segment: */ 11 /* Read-only sections, merged into text segment: */
12 . = 0x200000 + SIZEOF_HEADERS; 12 . = 0x01800000 + SIZEOF_HEADERS;
13 .interp : { *(.interp) } 13 .interp : { *(.interp) }
14 .hash : { *(.hash) } 14 .hash : { *(.hash) }
15 .dynsym : { *(.dynsym) } 15 .dynsym : { *(.dynsym) }
16 .dynstr : { *(.dynstr) } 16 .dynstr : { *(.dynstr) }
17 .rela.text : { *(.rela.text) } 17 .gnu.version : { *(.gnu.version) }
18 .rela.data : { *(.rela.data) } 18 .gnu.version_d : { *(.gnu.version_d) }
19 .rela.rodata : { *(.rela.rodata) } 19 .gnu.version_r : { *(.gnu.version_r) }
20 .rela.text :
21 { *(.rela.text) *(.rela.gnu.linkonce.t*) }
22 .rela.data :
23 { *(.rela.data) *(.rela.gnu.linkonce.d*) }
24 .rela.rodata :
25 { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
20 .rela.got : { *(.rela.got) } 26 .rela.got : { *(.rela.got) }
21 .rela.got1 : { *(.rela.got1) } 27 .rela.got1 : { *(.rela.got1) }
22 .rela.got2 : { *(.rela.got2) } 28 .rela.got2 : { *(.rela.got2) }
23 .rela.ctors : { *(.rela.ctors) } 29 .rela.ctors : { *(.rela.ctors) }
24 .rela.dtors : { *(.rela.dtors) } 30 .rela.dtors : { *(.rela.dtors) }
25 .rela.init : { *(.rela.init) } 31 .rela.init : { *(.rela.init) }
26 .rela.fini : { *(.rela.fini) } 32 .rela.fini : { *(.rela.fini) }
27 .rela.bss : { *(.rela.bss) } 33 .rela.bss : { *(.rela.bss) }
28 .rela.plt : { *(.rela.plt) } 34 .rela.plt : { *(.rela.plt) }
29 .rela.sdata : { *(.rela.sdata2) } 35 .rela.sdata : { *(.rela.sdata) }
30 .rela.sbss : { *(.rela.sbss2) } 36 .rela.sbss : { *(.rela.sbss) }
31 .rela.sdata2 : { *(.rela.sdata2) } 37 .rela.sdata2 : { *(.rela.sdata2) }
32 .rela.sbss2 : { *(.rela.sbss2) } 38 .rela.sbss2 : { *(.rela.sbss2) }
33 .text : 39 .text :
34 { 40 {
35 *(.text) 41 *(.text)
36 /* .gnu.warning sections are handled specially by elf32.em. */ 42 /* .gnu.warning sections are handled specially by elf32.em. */
37 *(.gnu.warning) 43 *(.gnu.warning)
44 *(.gnu.linkonce.t*)
38 } =0 45 } =0
39 .init : { *(.init) } =0 46 .init : { *(.init) } =0
40 .fini : { *(.fini) } =0 47 .fini : { *(.fini) } =0
41 .rodata : { *(.rodata) } 48 .rodata : { *(.rodata) *(.gnu.linkonce.r*) }
42 .rodata1 : { *(.rodata1) } 49 .rodata1 : { *(.rodata1) }
43 _etext = .; 50 _etext = .;
44 PROVIDE (etext = .); 51 PROVIDE (etext = .);
45 .sdata2 : { *(.sdata2) } 52 .sdata2 : { *(.sdata2) }
46 .sbss2 : { *(.sbss2) } 53 .sbss2 : { *(.sbss2) }
47 /* Adjust the address for the data segment. We want to adjust up to 54 /* Adjust the address for the data segment. We want to adjust up to
48 the same address within the page on the next page up. It would 55 the same address within the page on the next page up. It would
49 be more correct to do this: 56 be more correct to do this:
50 . = ALIGN(0x40000) + (ALIGN(8) & (0x40000 - 1)); 57 . = .;
51 The current expression does not correctly handle the case of a 58 The current expression does not correctly handle the case of a
52 text segment ending precisely at the end of a page; it causes the 59 text segment ending precisely at the end of a page; it causes the
53 data segment to skip a page. The above expression does not have 60 data segment to skip a page. The above expression does not have
54 this problem, but it will currently (2/95) cause BFD to allocate 61 this problem, but it will currently (2/95) cause BFD to allocate
55 a single segment, combining both text and data, for this case. 62 a single segment, combining both text and data, for this case.
56 This will prevent the text segment from being shared among 63 This will prevent the text segment from being shared among
57 multiple executions of the program; I think that is more 64 multiple executions of the program; I think that is more
58 important than losing a page of the virtual address space (note 65 important than losing a page of the virtual address space (note
59 that no actual memory is lost; the page which is skipped can not 66 that no actual memory is lost; the page which is skipped can not
60 be referenced). */ 67 be referenced). */
61 . = ALIGN(8) + 0x40000; 68 . = .;
62 .data : 69 .data :
63 { 70 {
64 *(.data) 71 *(.data)
72 *(.gnu.linkonce.d*)
65 CONSTRUCTORS 73 CONSTRUCTORS
66 } 74 }
67 .data1 : { *(.data1) } 75 .data1 : { *(.data1) }
68 .got1 : { *(.got1) } 76 .got1 : { *(.got1) }
69 .plt : { *(.plt) }
70 .dynamic : { *(.dynamic) } 77 .dynamic : { *(.dynamic) }
71 /* Put .ctors and .dtors next to the .got2 section, so that the pointers 78 /* Put .ctors and .dtors next to the .got2 section, so that the pointers
72 get relocated with -mrelocatable. Also put in the .fixup pointers. 79 get relocated with -mrelocatable. Also put in the .fixup pointers.
73 The current compiler no longer needs this, but keep it around for 2.7.2 */ 80 The current compiler no longer needs this, but keep it around for 2.7.2 */
74 PROVIDE (_GOT2_START_ = .); 81 PROVIDE (_GOT2_START_ = .);
96 .sbss : 103 .sbss :
97 { 104 {
98 } 105 }
99 .bss : 106 .bss :
100 { 107 {
101 PROVIDE (__sbss_start = .); 108 PROVIDE (__sbss_start = .);
102 *(.sbss) 109 *(.sbss)
103 *(.scommon) 110 *(.scommon)
104 PROVIDE (__sbss_end = .); 111 PROVIDE (__sbss_end = .);
105 PROVIDE (__bss_start = .); 112 PROVIDE (__bss_start = .);
106 *(.dynbss) 113 *(.dynbss)
107 *(.bss) 114 *(.bss)
108 *(COMMON) 115 *(COMMON)
109 } 116 }
110 _end = . ; 117 _end = . ;
112 /* These are needed for ELF backends which have not yet been 119 /* These are needed for ELF backends which have not yet been
113 converted to the new style linker. */ 120 converted to the new style linker. */
114 .stab 0 : { *(.stab) } 121 .stab 0 : { *(.stab) }
115 .stabstr 0 : { *(.stabstr) } 122 .stabstr 0 : { *(.stabstr) }
116 /* DWARF debug sections. 123 /* DWARF debug sections.
117 Symbols in the .debug DWARF section are relative to the beginning of the 124 Symbols in the DWARF debugging sections are relative to the beginning
118 section so we begin .debug at 0. It's not clear yet what needs to happen 125 of the section so we begin them at 0. */
119 for the others. */ 126 /* DWARF 1 */
120 .debug 0 : { *(.debug) } 127 .debug 0 : { *(.debug) }
128 .line 0 : { *(.line) }
129 /* GNU DWARF 1 extensions */
121 .debug_srcinfo 0 : { *(.debug_srcinfo) } 130 .debug_srcinfo 0 : { *(.debug_srcinfo) }
131 .debug_sfnames 0 : { *(.debug_sfnames) }
132 /* DWARF 1.1 and DWARF 2 */
122 .debug_aranges 0 : { *(.debug_aranges) } 133 .debug_aranges 0 : { *(.debug_aranges) }
123 .debug_pubnames 0 : { *(.debug_pubnames) } 134 .debug_pubnames 0 : { *(.debug_pubnames) }
124 .debug_sfnames 0 : { *(.debug_sfnames) } 135 /* DWARF 2 */
125 .line 0 : { *(.line) } 136 .debug_info 0 : { *(.debug_info) }
137 .debug_abbrev 0 : { *(.debug_abbrev) }
138 .debug_line 0 : { *(.debug_line) }
139 .debug_frame 0 : { *(.debug_frame) }
140 .debug_str 0 : { *(.debug_str) }
141 .debug_loc 0 : { *(.debug_loc) }
142 .debug_macinfo 0 : { *(.debug_macinfo) }
143 /* SGI/MIPS DWARF 2 extensions */
144 .debug_weaknames 0 : { *(.debug_weaknames) }
145 .debug_funcnames 0 : { *(.debug_funcnames) }
146 .debug_typenames 0 : { *(.debug_typenames) }
147 .debug_varnames 0 : { *(.debug_varnames) }
126 /* These must appear regardless of . */ 148 /* These must appear regardless of . */
127 } 149 }