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hurd: Also make it possible to call strlen very early

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strlen, which is another ifunc-selected function, is invoked during
early static executable startup if the argv arrives from the exec
server. Make it not crash.

Checked on x86_64-gnu: statically linked executables launched after the
exec server is up now start up successfully.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-Id: <20230517191436.73636-10-bugaevc@gmail.com>
This commit is contained in:
Sergey Bugaev 2023-05-17 22:14:35 +03:00 committed by Samuel Thibault
parent 70fd6b3b23
commit c93ee967cd
1 changed files with 3 additions and 0 deletions
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3
sysdeps/mach/hurd/x86_64/static-start.S
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@ -22,6 +22,9 @@ _start:
leaq __memcpy_sse2_unaligned(%rip), %rax
movq %rax, memcpy@GOTPCREL(%rip)
leaq __strlen_sse2(%rip), %rax
movq %rax, strlen@GOTPCREL(%rip)
call _hurd_stack_setup
xorq %rdx, %rdx
jmp _start1