Author: br
Date: Wed Sep 28 14:13:41 2016
New Revision: 306408
URL: https://svnweb.freebsd.org/changeset/base/306408
Log:
Use SIGSEGV signal for memory protection failures from userspace on MIPS.
(same as ARMv8, RISC-V and other architectures do).
This makes mmap tests happy.
Sponsored by: DARPA, AFRL
Sponsored by: HEIF5
Modified:
head/sys/mips/mips/trap.c
Modified: head/sys/mips/mips/trap.c
==============================================================================
--- head/sys/mips/mips/trap.c Wed Sep 28 13:29:11 2016 (r306407)
+++ head/sys/mips/mips/trap.c Wed Sep 28 14:13:41 2016 (r306408)
@@ -741,8 +741,11 @@ dofault:
}
goto err;
}
- ucode = ftype;
- i = ((rv == KERN_PROTECTION_FAILURE) ? SIGBUS :
SIGSEGV);
+ i = SIGSEGV;
+ if (rv == KERN_PROTECTION_FAILURE)
+ ucode = SEGV_ACCERR;
+ else
+ ucode = SEGV_MAPERR;
addr = trapframe->pc;
msg = "BAD_PAGE_FAULT";
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