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hurd: Initialize TLS and libpthread before signal thread start

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* sysdeps/generic/libc-start.h [!SHARED] (ARCH_SETUP_TLS): Define to
__libc_setup_tls.
* sysdeps/unix/sysv/linux/powerpc/libc-start.h [!SHARED]
(ARCH_SETUP_TLS): Likewise.
* sysdeps/mach/hurd/libc-start.h: New file copied from
sysdeps/generic/libc-start.h, but define ARCH_SETUP_TLS to empty.
* csu/libc-start.c [!SHARED] (LIBC_START_MAIN): Call ARCH_SETUP_TLS instead
of __libc_setup_tls.
* sysdeps/mach/hurd/i386/init-first.c [!SHARED] (init1): Call
__libc_setup_tls before initializing libpthread and running _hurd_init which
starts the signal thread.
This commit is contained in:
Samuel Thibault
2018-03-17 01:28:41 +01:00
parent fa97d2ab5b
commit bcfa607b26
5 changed files with 52 additions and 10 deletions
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csu/libc-start.c
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@ -194,7 +194,7 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
ARCH_SETUP_IREL ();
/* The stack guard goes into the TCB, so initialize it early. */
__libc_setup_tls ();
ARCH_SETUP_TLS ();
/* In some architectures, IREL{,A} relocations happen after TLS setup in
order to let IFUNC resolvers benefit from TCB information, e.g. powerpc's