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kernel: Add defination of .init_array and .fini_array for all other platforms

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Currently these sections are not used but defined only for amd64 and
i386. Added them for all other platforms to keep all platforms in sync.
There should be no functional change.

This change is extracted from a bigger patch [1] of hselasky, with
additional fix for the order of .fini_array section.

1. https://reviews.freebsd.org/D40467

Obtained from:	hselasky
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D45214

(cherry picked from commit 3e76d05231b0aa77d922bdbc9abf62d9747a91ab)
This commit is contained in:
Zhenlei Huang 2024-09-02 12:26:48 +08:00
parent 1d94490aee
commit bb5f701614
7 changed files with 98 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
sys/conf/ldscript.arm
View file

@ -83,6 +83,20 @@ SECTIONS
}
.data1 : { *(.data1) }
. = ALIGN(32 / 8);
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
_start_ctors = .;
PROVIDE (start_ctors = .);
.ctors :

14
sys/conf/ldscript.arm64
View file

@ -98,6 +98,20 @@ SECTIONS
. = ALIGN(128);
.data1 : { *(.data1) }
. = ALIGN(32 / 8);
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
_start_ctors = .;
PROVIDE (start_ctors = .);
.ctors :

16
sys/conf/ldscript.powerpc
View file

@ -79,8 +79,20 @@ SECTIONS
. = ALIGN(4096);
.got : { *(.got) }
.got.plt : { *(.got.plt) }
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.dynamic : { *(.dynamic) } :kernel :dynamic
/* Put .ctors and .dtors next to the .got2 section, so that the pointers
get relocated with -mrelocatable. Also put in the .fixup pointers.

15
sys/conf/ldscript.powerpc64
View file

@ -105,7 +105,20 @@ SECTIONS
. = ALIGN(4096);
.got : ALIGN(8) { __tocbase = .; *(.got) }
.toc : ALIGN(8) { *(.toc) }
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.dynamic : { *(.dynamic) } :kernel :dynamic
/* Put .ctors and .dtors next to the .got2 section, so that the pointers
get relocated with -mrelocatable. Also put in the .fixup pointers.

15
sys/conf/ldscript.powerpc64le
View file

@ -104,7 +104,20 @@ SECTIONS
. = ALIGN(4096);
.got : ALIGN(8) { __tocbase = .; *(.got) }
.toc : ALIGN(8) { *(.toc) }
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.dynamic : { *(.dynamic) } :text :dynamic
/* Put .ctors and .dtors next to the .got2 section, so that the pointers
get relocated with -mrelocatable. Also put in the .fixup pointers.

16
sys/conf/ldscript.powerpcspe
View file

@ -80,8 +80,20 @@ SECTIONS
. = ALIGN(4096);
.got : { *(.got) }
.got.plt : { *(.got.plt) }
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
.dynamic : { *(.dynamic) } :kernel :dynamic
/* Put .ctors and .dtors next to the .got2 section, so that the pointers
get relocated with -mrelocatable. Also put in the .fixup pointers.

14
sys/conf/ldscript.riscv
View file

@ -71,6 +71,20 @@ SECTIONS
}
.data1 : { *(.data1) }
. = ALIGN(32 / 8);
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
_start_ctors = .;
PROVIDE (start_ctors = .);
.ctors :