1 /* Default linker script, for normal executables */
2 /* Copyright (C) 2014-2021 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.  */
6 OUTPUT_FORMAT("elf64-bigaarch64", "elf64-bigaarch64",
7 	      "elf64-littleaarch64")
8 OUTPUT_ARCH(aarch64)
9 ENTRY(_start)
10 SEARCH_DIR("=/aarch64-none-linux-gnu/lib"); SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
11 SECTIONS
12 {
13   /* Read-only sections, merged into text segment: */
14   PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x00400000)); . = SEGMENT_START("text-segment", 0x00400000);
15   .interp         : { *(.interp) }
16   .note.gnu.build-id  : { *(.note.gnu.build-id) }
17   .hash           : { *(.hash) }
18   .gnu.hash       : { *(.gnu.hash) }
19   .dynsym         : { *(.dynsym) }
20   .dynstr         : { *(.dynstr) }
21   .gnu.version    : { *(.gnu.version) }
22   .gnu.version_d  : { *(.gnu.version_d) }
23   .gnu.version_r  : { *(.gnu.version_r) }
24   .rela.init      : { *(.rela.init) }
25   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
26   .rela.fini      : { *(.rela.fini) }
27   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
28   .rela.data.rel.ro   : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) }
29   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
30   .rela.tdata	  : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
31   .rela.tbss	  : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
32   .rela.ctors     : { *(.rela.ctors) }
33   .rela.dtors     : { *(.rela.dtors) }
34   .rela.got       : { *(.rela.got) }
35   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
36   .rela.ifunc     : { *(.rela.ifunc) }
37   .rela.plt       :
38     {
39       *(.rela.plt)
40       PROVIDE_HIDDEN (__rela_iplt_start = .);
41       *(.rela.iplt)
42       PROVIDE_HIDDEN (__rela_iplt_end = .);
43     }
44   .init           :
45   {
46     KEEP (*(SORT_NONE(.init)))
47   } =0x1f2003d5
48   .plt            : { *(.plt) *(.iplt) }
49   .text           :
50   {
51     *(.text.unlikely .text.*_unlikely .text.unlikely.*)
52     *(.text.exit .text.exit.*)
53     *(.text.startup .text.startup.*)
54     *(.text.hot .text.hot.*)
55     *(SORT(.text.sorted.*))
56     *(.text .stub .text.* .gnu.linkonce.t.*)
57     /* .gnu.warning sections are handled specially by elf.em.  */
58     *(.gnu.warning)
59   } =0x1f2003d5
60   .fini           :
61   {
62     KEEP (*(SORT_NONE(.fini)))
63   } =0x1f2003d5
64   PROVIDE (__etext = .);
65   PROVIDE (_etext = .);
66   PROVIDE (etext = .);
67   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
68   .rodata1        : { *(.rodata1) }
69   .eh_frame_hdr   : { *(.eh_frame_hdr) *(.eh_frame_entry .eh_frame_entry.*) }
70   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) *(.eh_frame.*) }
71   .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
72   .gnu_extab   : ONLY_IF_RO { *(.gnu_extab*) }
73   /* These sections are generated by the Sun/Oracle C++ compiler.  */
74   .exception_ranges   : ONLY_IF_RO { *(.exception_ranges*) }
75   /* Adjust the address for the data segment.  We want to adjust up to
76      the same address within the page on the next page up.  */
77   . = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1));
78   /* Exception handling  */
79   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
80   .gnu_extab      : ONLY_IF_RW { *(.gnu_extab) }
81   .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
82   .exception_ranges   : ONLY_IF_RW { *(.exception_ranges*) }
83   /* Thread Local Storage sections  */
84   .tdata	  :
85    {
86      PROVIDE_HIDDEN (__tdata_start = .);
87      *(.tdata .tdata.* .gnu.linkonce.td.*)
88    }
89   .tbss		  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
90   .preinit_array    :
91   {
92     PROVIDE_HIDDEN (__preinit_array_start = .);
93     KEEP (*(.preinit_array))
94     PROVIDE_HIDDEN (__preinit_array_end = .);
95   }
96   .init_array    :
97   {
98     PROVIDE_HIDDEN (__init_array_start = .);
99     KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))
100     KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
101     PROVIDE_HIDDEN (__init_array_end = .);
102   }
103   .fini_array    :
104   {
105     PROVIDE_HIDDEN (__fini_array_start = .);
106     KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))
107     KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors))
108     PROVIDE_HIDDEN (__fini_array_end = .);
109   }
110   .ctors          :
111   {
112     /* gcc uses crtbegin.o to find the start of
113        the constructors, so we make sure it is
114        first.  Because this is a wildcard, it
115        doesn't matter if the user does not
116        actually link against crtbegin.o; the
117        linker won't look for a file to match a
118        wildcard.  The wildcard also means that it
119        doesn't matter which directory crtbegin.o
120        is in.  */
121     KEEP (*crtbegin.o(.ctors))
122     KEEP (*crtbegin?.o(.ctors))
123     /* We don't want to include the .ctor section from
124        the crtend.o file until after the sorted ctors.
125        The .ctor section from the crtend file contains the
126        end of ctors marker and it must be last */
127     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
128     KEEP (*(SORT(.ctors.*)))
129     KEEP (*(.ctors))
130   }
131   .dtors          :
132   {
133     KEEP (*crtbegin.o(.dtors))
134     KEEP (*crtbegin?.o(.dtors))
135     KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
136     KEEP (*(SORT(.dtors.*)))
137     KEEP (*(.dtors))
138   }
139   .jcr            : { KEEP (*(.jcr)) }
140   .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }
141   .dynamic        : { *(.dynamic) }
142   .got            : { *(.got) *(.igot) }
143   .got.plt        : { *(.got.plt) *(.igot.plt) }
144   .data           :
145   {
146     __data_start = .;
147     *(.data .data.* .gnu.linkonce.d.*)
148     SORT(CONSTRUCTORS)
149   }
150   .data1          : { *(.data1) }
151   _edata = .; PROVIDE (edata = .);
152   . = .;
153   __bss_start = .;
154   __bss_start__ = .;
155   .bss            :
156   {
157    *(.dynbss)
158    *(.bss .bss.* .gnu.linkonce.b.*)
159    *(COMMON)
160    /* Align here to ensure that the .bss section occupies space up to
161       _end.  Align after .bss to ensure correct alignment even if the
162       .bss section disappears because there are no input sections.
163       FIXME: Why do we need it? When there is no .bss section, we do not
164       pad the .data section.  */
165    . = ALIGN(. != 0 ? 64 / 8 : 1);
166   }
167   _bss_end__ = .; __bss_end__ = .;
168   . = ALIGN(64 / 8);
169   . = SEGMENT_START("ldata-segment", .);
170   . = ALIGN(64 / 8);
171   __end__ = .;
172   _end = .; PROVIDE (end = .);
173   .stack         0x80000 :
174   {
175     _stack = .;
176     *(.stack)
177   }
178   /* Stabs debugging sections.  */
179   .stab          0 : { *(.stab) }
180   .stabstr       0 : { *(.stabstr) }
181   .stab.excl     0 : { *(.stab.excl) }
182   .stab.exclstr  0 : { *(.stab.exclstr) }
183   .stab.index    0 : { *(.stab.index) }
184   .stab.indexstr 0 : { *(.stab.indexstr) }
185   .comment       0 : { *(.comment) }
186   .gnu.build.attributes : { *(.gnu.build.attributes .gnu.build.attributes.*) }
187   /* DWARF debug sections.
188      Symbols in the DWARF debugging sections are relative to the beginning
189      of the section so we begin them at 0.  */
190   /* DWARF 1.  */
191   .debug          0 : { *(.debug) }
192   .line           0 : { *(.line) }
193   /* GNU DWARF 1 extensions.  */
194   .debug_srcinfo  0 : { *(.debug_srcinfo) }
195   .debug_sfnames  0 : { *(.debug_sfnames) }
196   /* DWARF 1.1 and DWARF 2.  */
197   .debug_aranges  0 : { *(.debug_aranges) }
198   .debug_pubnames 0 : { *(.debug_pubnames) }
199   /* DWARF 2.  */
200   .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
201   .debug_abbrev   0 : { *(.debug_abbrev) }
202   .debug_line     0 : { *(.debug_line .debug_line.* .debug_line_end) }
203   .debug_frame    0 : { *(.debug_frame) }
204   .debug_str      0 : { *(.debug_str) }
205   .debug_loc      0 : { *(.debug_loc) }
206   .debug_macinfo  0 : { *(.debug_macinfo) }
207   /* SGI/MIPS DWARF 2 extensions.  */
208   .debug_weaknames 0 : { *(.debug_weaknames) }
209   .debug_funcnames 0 : { *(.debug_funcnames) }
210   .debug_typenames 0 : { *(.debug_typenames) }
211   .debug_varnames  0 : { *(.debug_varnames) }
212   /* DWARF 3.  */
213   .debug_pubtypes 0 : { *(.debug_pubtypes) }
214   .debug_ranges   0 : { *(.debug_ranges) }
215   /* DWARF 5.  */
216   .debug_addr     0 : { *(.debug_addr) }
217   .debug_line_str 0 : { *(.debug_line_str) }
218   .debug_loclists 0 : { *(.debug_loclists) }
219   .debug_macro    0 : { *(.debug_macro) }
220   .debug_names    0 : { *(.debug_names) }
221   .debug_rnglists 0 : { *(.debug_rnglists) }
222   .debug_str_offsets 0 : { *(.debug_str_offsets) }
223   .debug_sup      0 : { *(.debug_sup) }
224   .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
225   .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
226   /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
227 }
228