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Don't include T_USER in si_trapno reported to userland.

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Signals are only reported for user traps, so T_USER is redundant.  It
is also a software convention and not included in the value reported
by the hardware.

Reviewed by:	kib
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D25769
This commit is contained in:
John Baldwin 2020-07-27 16:25:18 +00:00
parent c2895f1934
commit e21c0b0753
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=363613
1 changed files with 1 additions and 1 deletions
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2
sys/mips/mips/trap.c
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@ -1107,7 +1107,7 @@ trap(struct trapframe *trapframe)
ksi.ksi_signo = i;
ksi.ksi_code = ucode;
ksi.ksi_addr = (void *)addr;
ksi.ksi_trapno = type;
ksi.ksi_trapno = type & ~T_USER;
trapsignal(td, &ksi);
out: