blob: 2d2f5ddf592ae75de2b9b1fe5d4cca6f45ab561d [file] [log] [blame]
Ben Cheng7823f2a2014-04-08 14:53:42 -07001/* Script for -z combreloc: combine and sort reloc sections */
2OUTPUT_FORMAT("elf64-bigaarch64", "elf64-bigaarch64",
3 "elf64-littleaarch64")
4OUTPUT_ARCH(aarch64)
5ENTRY(_start)
Ben Cheng7823f2a2014-04-08 14:53:42 -07006SECTIONS
7{
8 /* Read-only sections, merged into text segment: */
Ben Cheng79781f52014-05-19 10:33:46 -07009 PROVIDE (__executable_start = 0x400000); . = 0x400000 + SIZEOF_HEADERS;
Ben Cheng7823f2a2014-04-08 14:53:42 -070010 .interp : { *(.interp) }
11 .note.gnu.build-id : { *(.note.gnu.build-id) }
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23 *(.rela.fini)
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Ben Cheng79781f52014-05-19 10:33:46 -070072 /* 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 -070074 . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
75 /* Exception handling */
76 .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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Ben Cheng79781f52014-05-19 10:33:46 -070082 /* Ensure the __preinit_array_start label is properly aligned. We
83 could instead move the label definition inside the section, but
84 the linker would then create the section even if it turns out to
85 be empty, which isn't pretty. */
86 . = ALIGN(32 / 8);
87 PROVIDE_HIDDEN (__preinit_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -070088 .preinit_array :
89 {
Ben Cheng7823f2a2014-04-08 14:53:42 -070090 KEEP (*(.preinit_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -070091 }
Ben Cheng79781f52014-05-19 10:33:46 -070092 PROVIDE_HIDDEN (__preinit_array_end = .);
93 PROVIDE_HIDDEN (__init_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -070094 .init_array :
95 {
Ben Cheng79781f52014-05-19 10:33:46 -070096 KEEP (*crtbegin*.o(.init_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -070097 KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -070098 KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -070099 }
Ben Cheng79781f52014-05-19 10:33:46 -0700100 PROVIDE_HIDDEN (__init_array_end = .);
101 PROVIDE_HIDDEN (__fini_array_start = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700102 .fini_array :
103 {
Ben Cheng79781f52014-05-19 10:33:46 -0700104 KEEP (*crtbegin*.o(.fini_array))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700105 KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
Ben Cheng79781f52014-05-19 10:33:46 -0700106 KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin*.o *crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700107 }
Ben Cheng79781f52014-05-19 10:33:46 -0700108 PROVIDE_HIDDEN (__fini_array_end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700109 .ctors :
110 {
111 /* gcc uses crtbegin.o to find the start of
112 the constructors, so we make sure it is
113 first. Because this is a wildcard, it
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115 actually link against crtbegin.o; the
116 linker won't look for a file to match a
117 wildcard. The wildcard also means that it
118 doesn't matter which directory crtbegin.o
119 is in. */
120 KEEP (*crtbegin.o(.ctors))
Ben Cheng79781f52014-05-19 10:33:46 -0700121 KEEP (*crtbegin*.o(.ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700122 /* We don't want to include the .ctor section from
123 the crtend.o file until after the sorted ctors.
124 The .ctor section from the crtend file contains the
125 end of ctors marker and it must be last */
Ben Cheng79781f52014-05-19 10:33:46 -0700126 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .ctors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700127 KEEP (*(SORT(.ctors.*)))
128 KEEP (*(.ctors))
129 }
130 .dtors :
131 {
132 KEEP (*crtbegin.o(.dtors))
Ben Cheng79781f52014-05-19 10:33:46 -0700133 KEEP (*crtbegin*.o(.dtors))
134 KEEP (*(EXCLUDE_FILE (*crtend.o *crtend*.o ) .dtors))
Ben Cheng7823f2a2014-04-08 14:53:42 -0700135 KEEP (*(SORT(.dtors.*)))
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161 _end. Align after .bss to ensure correct alignment even if the
Ben Cheng79781f52014-05-19 10:33:46 -0700162 .bss section disappears because there are no input sections. */
163 . = ALIGN(64 / 8);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700164 }
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Ben Cheng79781f52014-05-19 10:33:46 -0700170 _end = .;
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172 PROVIDE (end = .);
Ben Cheng7823f2a2014-04-08 14:53:42 -0700173 . = DATA_SEGMENT_END (.);
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Ben Cheng79781f52014-05-19 10:33:46 -0700214 /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.mdebug.*) }
Ben Cheng7823f2a2014-04-08 14:53:42 -0700215}