blob: f819cbd55713b97e30bbb63ed20c759cd5251f92 [file] [log] [blame]
Ben Cheng7823f2a2014-04-08 14:53:42 -07001/* Default linker script, for normal executables */
Ben Cheng79781f52014-05-19 10:33:46 -07002/* Modified for Android. */
Ben Cheng7823f2a2014-04-08 14:53:42 -07003OUTPUT_FORMAT("elf64-bigaarch64", "elf64-bigaarch64",
4 "elf64-littleaarch64")
5OUTPUT_ARCH(aarch64)
6ENTRY(_start)
Ben Cheng7823f2a2014-04-08 14:53:42 -07007SECTIONS
8{
9 /* Read-only sections, merged into text segment: */
Ben Cheng79781f52014-05-19 10:33:46 -070010 PROVIDE (__executable_start = 0x400000); . = 0x400000 + SIZEOF_HEADERS;
Ben Cheng7823f2a2014-04-08 14:53:42 -070011 .interp : { *(.interp) }
12 .note.gnu.build-id : { *(.note.gnu.build-id) }
13 .hash : { *(.hash) }
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15 .dynsym : { *(.dynsym) }
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17 .gnu.version : { *(.gnu.version) }
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20 .rela.init : { *(.rela.init) }
21 .rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
22 .rela.fini : { *(.rela.fini) }
23 .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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25 .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
26 .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
27 .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
28 .rela.ctors : { *(.rela.ctors) }
29 .rela.dtors : { *(.rela.dtors) }
30 .rela.got : { *(.rela.got) }
31 .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
32 .rela.ifunc : { *(.rela.ifunc) }
33 .rela.plt :
34 {
35 *(.rela.plt)
36 PROVIDE_HIDDEN (__rela_iplt_start = .);
37 *(.rela.iplt)
38 PROVIDE_HIDDEN (__rela_iplt_end = .);
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40 .init :
41 {
42 KEEP (*(SORT_NONE(.init)))
43 } =0
44 .plt : ALIGN(16) { *(.plt) *(.iplt) }
45 .text :
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59 PROVIDE (__etext = .);
60 PROVIDE (_etext = .);
61 PROVIDE (etext = .);
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66 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table
67 .gcc_except_table.*) }
68 /* These sections are generated by the Sun/Oracle C++ compiler. */
69 .exception_ranges : ONLY_IF_RO { *(.exception_ranges
70 .exception_ranges*) }
Ben Cheng79781f52014-05-19 10:33:46 -070071 /* Adjust the address for the data segment. For 32 bits we want to align
72 at exactly a page boundary to make life easier for apriori. */
Ben Cheng7823f2a2014-04-08 14:53:42 -070073 . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
74 /* Exception handling */
75 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
76 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
77 .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
78 /* Thread Local Storage sections */
79 .tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
80 .tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
Ben Cheng79781f52014-05-19 10:33:46 -070081 /* Ensure the __preinit_array_start label is properly aligned. We
82 could instead move the label definition inside the section, but
83 the linker would then create the section even if it turns out to
84 be empty, which isn't pretty. */
85 . = ALIGN(32 / 8);
86 PROVIDE_HIDDEN (__preinit_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -070087 .preinit_array :
88 {
Ben Cheng7823f2a2014-04-08 14:53:42 -070089 KEEP (*(.preinit_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -070090 }
Ben Cheng79781f52014-05-19 10:33:46 -070091 PROVIDE_HIDDEN (__preinit_array_end = .);
92 PROVIDE_HIDDEN (__init_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -070093 .init_array :
94 {
Ben Cheng79781f52014-05-19 10:33:46 -070095 KEEP (*crtbegin*.o(.init_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -070096 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -070097 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -070098 }
Ben Cheng79781f52014-05-19 10:33:46 -070099 PROVIDE_HIDDEN (__init_array_end = .);
100 PROVIDE_HIDDEN (__fini_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700101 .fini_array :
102 {
Ben Cheng79781f52014-05-19 10:33:46 -0700103 KEEP (*crtbegin*.o(.fini_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700104 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -0700105 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700106 }
Ben Cheng79781f52014-05-19 10:33:46 -0700107 PROVIDE_HIDDEN (__fini_array_end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700108 .ctors :
109 {
110 /* gcc uses crtbegin.o to find the start of
111 the constructors, so we make sure it is
112 first. Because this is a wildcard, it
113 doesn't matter if the user does not
114 actually link against crtbegin.o; the
115 linker won't look for a file to match a
116 wildcard. The wildcard also means that it
117 doesn't matter which directory crtbegin.o
118 is in. */
119 KEEP (*crtbegin.o(.ctors))
Ben Cheng79781f52014-05-19 10:33:46 -0700120 KEEP (*crtbegin*.o(.ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700121 /* We don't want to include the .ctor section from
122 the crtend.o file until after the sorted ctors.
123 The .ctor section from the crtend file contains the
124 end of ctors marker and it must be last */
Ben Cheng79781f52014-05-19 10:33:46 -0700125 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700126 KEEP (*(SORT(.ctors.*)))
127 KEEP (*(.ctors))
128 }
129 .dtors :
130 {
131 KEEP (*crtbegin.o(.dtors))
Ben Cheng79781f52014-05-19 10:33:46 -0700132 KEEP (*crtbegin*.o(.dtors))
133 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700134 KEEP (*(SORT(.dtors.*)))
135 KEEP (*(.dtors))
136 }
137 .jcr : { KEEP (*(.jcr)) }
138 .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
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140 .got : { *(.got) *(.igot) }
141 . = DATA_SEGMENT_RELRO_END (24, .);
142 .got.plt : { *(.got.plt) *(.igot.plt) }
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144 {
145 PROVIDE (__data_start = .);
146 *(.data .data.* .gnu.linkonce.d.*)
147 SORT(CONSTRUCTORS)
148 }
149 .data1 : { *(.data1) }
150 _edata = .; PROVIDE (edata = .);
151 . = .;
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153 __bss_start__ = .;
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155 {
156 *(.dynbss)
157 *(.bss .bss.* .gnu.linkonce.b.*)
158 *(COMMON)
159 /* Align here to ensure that the .bss section occupies space up to
160 _end. Align after .bss to ensure correct alignment even if the
Ben Cheng79781f52014-05-19 10:33:46 -0700161 .bss section disappears because there are no input sections. */
162 . = ALIGN(64 / 8);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700163 }
164 _bss_end__ = . ; __bss_end__ = . ;
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166 . = SEGMENT_START("ldata-segment", .);
167 . = ALIGN(64 / 8);
168 __end__ = . ;
Ben Cheng79781f52014-05-19 10:33:46 -0700169 _end = .;
170 _bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
171 PROVIDE (end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700172 . = DATA_SEGMENT_END (.);
173 /* Stabs debugging sections. */
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181 /* DWARF debug sections.
182 Symbols in the DWARF debugging sections are relative to the beginning
183 of the section so we begin them at 0. */
184 /* DWARF 1 */
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187 /* GNU DWARF 1 extensions */
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189 .debug_sfnames 0 : { *(.debug_sfnames) }
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203 .debug_funcnames 0 : { *(.debug_funcnames) }
204 .debug_typenames 0 : { *(.debug_typenames) }
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206 /* DWARF 3 */
207 .debug_pubtypes 0 : { *(.debug_pubtypes) }
208 .debug_ranges 0 : { *(.debug_ranges) }
209 /* DWARF Extension. */
210 .debug_macro 0 : { *(.debug_macro) }
211 .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
212 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
Ben Cheng79781f52014-05-19 10:33:46 -0700213 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
Ben Cheng7823f2a2014-04-08 14:53:42 -0700214}