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Preserve the state of the %gs register when setting up the signal

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handler in Linux emulation.  According to bde, this is what Linux
does.

Recent versions of linuxthreads use %gs for thread-specific data,
while FreeBSD uses %fs (mostly because WINE uses %gs).

Tested by: drew
This commit is contained in:
Daniel Eischen 2001-05-12 03:23:10 +00:00
parent ab9b07425d
commit b85c313a62
1 changed files with 0 additions and 2 deletions
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2
sys/i386/linux/linux_sysvec.c
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@ -339,7 +339,6 @@ linux_rt_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
regs->tf_ds = _udatasel;
regs->tf_es = _udatasel;
regs->tf_fs = _udatasel;
load_gs(_udatasel);
regs->tf_ss = _udatasel;
}
@ -473,7 +472,6 @@ linux_sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
regs->tf_ds = _udatasel;
regs->tf_es = _udatasel;
regs->tf_fs = _udatasel;
load_gs(_udatasel);
regs->tf_ss = _udatasel;
}