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hurd: Fix startup of static binaries linked against libpthread

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* sysdeps/mach/hurd/i386/init-first.c (init1): Move ELF hdr and TLS
initialization...
(init): ... before initializing libpthread.
This commit is contained in:
Samuel Thibault 2018-07-31 22:33:05 +02:00
parent f650932b34
commit f195ea0e2f
1 changed files with 35 additions and 33 deletions
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68
sysdeps/mach/hurd/i386/init-first.c
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@ -104,39 +104,6 @@ init1 (int argc, char *arg0, ...)
++envp; ++envp;
d = (void *) ++envp; d = (void *) ++envp;
#ifndef SHARED
/* If we are the bootstrap task started by the kernel,
then after the environment pointers there is no Hurd
data block; the argument strings start there. */
if ((void *) d == argv[0] || d->phdr == 0)
{
/* With a new enough linker (binutils-2.23 or better),
the magic __ehdr_start symbol will be available and
__libc_start_main will have done this that way already. */
if (_dl_phdr == NULL)
{
/* We may need to see our own phdrs, e.g. for TLS setup.
Try the usual kludge to find the headers without help from
the exec server. */
extern const void __executable_start;
const ElfW(Ehdr) *const ehdr = &__executable_start;
_dl_phdr = (const void *) ehdr + ehdr->e_phoff;
_dl_phnum = ehdr->e_phnum;
assert (ehdr->e_phentsize == sizeof (ElfW(Phdr)));
}
}
else
{
__libc_enable_secure = d->flags & EXEC_SECURE;
_dl_phdr = (ElfW(Phdr) *) d->phdr;
_dl_phnum = d->phdrsz / sizeof (ElfW(Phdr));
assert (d->phdrsz % sizeof (ElfW(Phdr)) == 0);
}
__libc_setup_tls ();
#endif
/* Initialize libpthread if linked in. */ /* Initialize libpthread if linked in. */
if (__pthread_initialize_minimal != NULL) if (__pthread_initialize_minimal != NULL)
__pthread_initialize_minimal (); __pthread_initialize_minimal ();
@ -145,6 +112,10 @@ init1 (int argc, char *arg0, ...)
/* No Hurd data block to process. */ /* No Hurd data block to process. */
return; return;
#ifndef SHARED
__libc_enable_secure = d->flags & EXEC_SECURE;
#endif
_hurd_init_dtable = d->dtable; _hurd_init_dtable = d->dtable;
_hurd_init_dtablesize = d->dtablesize; _hurd_init_dtablesize = d->dtablesize;
@ -189,6 +160,37 @@ init (int *data)
++envp; ++envp;
d = (void *) ++envp; d = (void *) ++envp;
#ifndef SHARED
/* If we are the bootstrap task started by the kernel,
then after the environment pointers there is no Hurd
data block; the argument strings start there. */
if ((void *) d == argv[0] || d->phdr == 0)
{
/* With a new enough linker (binutils-2.23 or better),
the magic __ehdr_start symbol will be available and
__libc_start_main will have done this that way already. */
if (_dl_phdr == NULL)
{
/* We may need to see our own phdrs, e.g. for TLS setup.
Try the usual kludge to find the headers without help from
the exec server. */
extern const void __executable_start;
const ElfW(Ehdr) *const ehdr = &__executable_start;
_dl_phdr = (const void *) ehdr + ehdr->e_phoff;
_dl_phnum = ehdr->e_phnum;
assert (ehdr->e_phentsize == sizeof (ElfW(Phdr)));
}
}
else
{
_dl_phdr = (ElfW(Phdr) *) d->phdr;
_dl_phnum = d->phdrsz / sizeof (ElfW(Phdr));
assert (d->phdrsz % sizeof (ElfW(Phdr)) == 0);
}
/* We need to setup TLS before initializing libpthread. */
__libc_setup_tls ();
#endif
/* After possibly switching stacks, call `init1' (above) with the user /* After possibly switching stacks, call `init1' (above) with the user
code as the return address, and the argument data immediately above code as the return address, and the argument data immediately above