blob: cd82eaa543ea7946d9612191cd4696d05db3b721 [file] [log] [blame]
Ben Cheng7823f2a2014-04-08 14:53:42 -07001/* Script for -z combreloc: combine and sort reloc sections */
Rong Xue1a8a482015-04-08 12:48:42 -07002/* Copyright (C) 2014 Free Software Foundation, Inc.
3 Copying and distribution of this script, with or without modification,
4 are permitted in any medium without royalty provided the copyright
5 notice and this notice are preserved. */
Ben Cheng7823f2a2014-04-08 14:53:42 -07006OUTPUT_FORMAT("elf32-bigarm", "elf32-bigarm",
7 "elf32-littlearm")
8OUTPUT_ARCH(arm)
9ENTRY(_start)
Ben Cheng7823f2a2014-04-08 14:53:42 -070010SECTIONS
11{
12 /* Read-only sections, merged into text segment: */
Rong Xue1a8a482015-04-08 12:48:42 -070013 PROVIDE (__executable_start = 0x00010000); . = 0x00010000 + SIZEOF_HEADERS;
Ben Cheng7823f2a2014-04-08 14:53:42 -070014 .interp : { *(.interp) }
15 .note.gnu.build-id : { *(.note.gnu.build-id) }
16 .hash : { *(.hash) }
17 .gnu.hash : { *(.gnu.hash) }
18 .dynsym : { *(.dynsym) }
19 .dynstr : { *(.dynstr) }
20 .gnu.version : { *(.gnu.version) }
21 .gnu.version_d : { *(.gnu.version_d) }
22 .gnu.version_r : { *(.gnu.version_r) }
23 .rel.dyn :
24 {
25 *(.rel.init)
26 *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
27 *(.rel.fini)
28 *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
29 *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*)
30 *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
31 *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
32 *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
33 *(.rel.ctors)
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35 *(.rel.got)
36 *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
37 PROVIDE_HIDDEN (__rel_iplt_start = .);
38 *(.rel.iplt)
39 PROVIDE_HIDDEN (__rel_iplt_end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -070040 }
41 .rela.dyn :
42 {
43 *(.rela.init)
44 *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
45 *(.rela.fini)
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Ben Cheng7823f2a2014-04-08 14:53:42 -070054 PROVIDE_HIDDEN (__rela_iplt_start = .);
55 *(.rela.iplt)
56 PROVIDE_HIDDEN (__rela_iplt_end = .);
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68 KEEP (*(SORT_NONE(.init)))
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85 KEEP (*(SORT_NONE(.fini)))
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87 PROVIDE (__etext = .);
88 PROVIDE (_etext = .);
89 PROVIDE (etext = .);
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95 PROVIDE_HIDDEN (__exidx_end = .);
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98 .gcc_except_table : ONLY_IF_RO { *(.gcc_except_table
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100 /* These sections are generated by the Sun/Oracle C++ compiler. */
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Ben Cheng79781f52014-05-19 10:33:46 -0700103 /* Adjust the address for the data segment. For 32 bits we want to align
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Ben Cheng7823f2a2014-04-08 14:53:42 -0700106 /* Exception handling */
107 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
108 .gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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Ben Cheng79781f52014-05-19 10:33:46 -0700113 /* Ensure the __preinit_array_start label is properly aligned. We
114 could instead move the label definition inside the section, but
115 the linker would then create the section even if it turns out to
116 be empty, which isn't pretty. */
117 . = ALIGN(32 / 8);
118 PROVIDE_HIDDEN (__preinit_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700119 .preinit_array :
120 {
Ben Cheng7823f2a2014-04-08 14:53:42 -0700121 KEEP (*(.preinit_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700122 }
Ben Cheng79781f52014-05-19 10:33:46 -0700123 PROVIDE_HIDDEN (__preinit_array_end = .);
124 PROVIDE_HIDDEN (__init_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700125 .init_array :
126 {
Ben Cheng79781f52014-05-19 10:33:46 -0700127 KEEP (*crtbegin*.o(.init_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700128 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -0700129 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700130 }
Ben Cheng79781f52014-05-19 10:33:46 -0700131 PROVIDE_HIDDEN (__init_array_end = .);
132 PROVIDE_HIDDEN (__fini_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700133 .fini_array :
134 {
Ben Cheng79781f52014-05-19 10:33:46 -0700135 KEEP (*crtbegin*.o(.fini_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700136 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -0700137 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700138 }
Ben Cheng79781f52014-05-19 10:33:46 -0700139 PROVIDE_HIDDEN (__fini_array_end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700140 .ctors :
141 {
142 /* gcc uses crtbegin.o to find the start of
143 the constructors, so we make sure it is
144 first. Because this is a wildcard, it
145 doesn't matter if the user does not
146 actually link against crtbegin.o; the
147 linker won't look for a file to match a
148 wildcard. The wildcard also means that it
149 doesn't matter which directory crtbegin.o
150 is in. */
151 KEEP (*crtbegin.o(.ctors))
Ben Cheng79781f52014-05-19 10:33:46 -0700152 KEEP (*crtbegin*.o(.ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700153 /* We don't want to include the .ctor section from
154 the crtend.o file until after the sorted ctors.
155 The .ctor section from the crtend file contains the
156 end of ctors marker and it must be last */
Ben Cheng79781f52014-05-19 10:33:46 -0700157 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700158 KEEP (*(SORT(.ctors.*)))
159 KEEP (*(.ctors))
160 }
161 .dtors :
162 {
163 KEEP (*crtbegin.o(.dtors))
Ben Cheng79781f52014-05-19 10:33:46 -0700164 KEEP (*crtbegin*.o(.dtors))
165 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700166 KEEP (*(SORT(.dtors.*)))
167 KEEP (*(.dtors))
168 }
169 .jcr : { KEEP (*(.jcr)) }
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177 *(.data .data.* .gnu.linkonce.d.*)
178 SORT(CONSTRUCTORS)
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190 /* Align here to ensure that the .bss section occupies space up to
191 _end. Align after .bss to ensure correct alignment even if the
Ben Cheng79781f52014-05-19 10:33:46 -0700192 .bss section disappears because there are no input sections. */
193 . = ALIGN(32 / 8);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700194 }
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Ben Cheng79781f52014-05-19 10:33:46 -0700200 _end = .;
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202 PROVIDE (end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700203 . = DATA_SEGMENT_END (.);
204 /* Stabs debugging sections. */
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226 .debug_abbrev 0 : { *(.debug_abbrev) }
227 .debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) }
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242 .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
243 .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
Ben Cheng79781f52014-05-19 10:33:46 -0700244 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
Ben Cheng7823f2a2014-04-08 14:53:42 -0700245}