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* provide __libc_csu_init and __libc_csu_fini as weak symbols

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florian 2022-04-09 21:12:28 +02:00
parent 191dd0c637
commit 35a7490ae1
1 changed files with 20 additions and 2 deletions
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22
rtl/linux/x86_64/si_c.inc
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@ -52,6 +52,24 @@ procedure libc_start_main; external name '__libc_start_main';
procedure _FPC_libc_haltproc(e:longint); forward; procedure _FPC_libc_haltproc(e:longint); forward;
procedure ___libc_csu_init; external name '__libc_csu_init';
{$if FPC_FULLVERSION>30202}
procedure __libc_csu_init; public name '__libc_csu_init'; assembler;
asm
.weak __libc_csu_init
end;
{$endif FPC_FULLVERSION>30202}
procedure ___libc_csu_fini; external name '__libc_csu_fini';
{$if FPC_FULLVERSION>30202}
procedure __libc_csu_fini; public name '__libc_csu_fini'; assembler;
asm
.weak __libc_csu_fini
end;
{$endif FPC_FULLVERSION>30202}
procedure main_stub; assembler; nostackframe; procedure main_stub; assembler; nostackframe;
asm asm
{ save return address } { save return address }
@ -155,8 +173,8 @@ procedure _FPC_libc_start; assembler; nostackframe; public name '_start';
pushq %rsp pushq %rsp
{ Pass address of our own entry points to .fini and .init. } { Pass address of our own entry points to .fini and .init. }
movq ini_dummy@GOTPCREL(%rip), %r8 movq ___libc_csu_fini@GOTPCREL(%rip), %r8
movq ini_dummy@GOTPCREL(%rip), %rcx movq ___libc_csu_init@GOTPCREL(%rip), %rcx
movq main_stub@GOTPCREL(%rip), %rdi movq main_stub@GOTPCREL(%rip), %rdi