Commit ba4a8df8 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by David Gibson
Browse files

ppc: Fix catching some segfaults in user mode 



The usermode "translate" code generates an error code value that
has the "is_write" bit set, which causes our switch/case to miss
and display "Invalid segfault errno" and a spurrious second state
dump. Fix it.

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent dd2fa4f7

linux-user/main.c

+1 −0
Original line number Diff line number Diff line
@@ -1656,6 +1656,7 @@ void cpu_loop(CPUPPCState *env) 
            /* XXX: check this. Seems bugged */

            switch (env->error_code & 0xFF000000) {

            case 0x40000000:

            case 0x42000000:

                info.si_signo = TARGET_SIGSEGV;

                info.si_errno = 0;

                info.si_code = TARGET_SEGV_MAPERR;