Commit 95a29a4e authored by Laurent Vivier's avatar Laurent Vivier
Browse files

linux-user: fix alpha signal emulation 



setup_frame() doesn't set correctly the address of the trampoline code.
The offset of retcode array must be added to the stack frame address.

Signed-off-by: default avatarLaurent Vivier <laurent@vivier.eu>
Message-Id: <20180401204653.14211-1-laurent@vivier.eu>
parent f184de75

linux-user/signal.c

+2 −2
Original line number Diff line number Diff line
@@ -6367,7 +6367,7 @@ static void setup_frame(int sig, struct target_sigaction *ka, 
                   &frame->retcode[1]);

        __put_user(INSN_CALLSYS, &frame->retcode[2]);

        /* imb() */

        r26 = frame_addr;

        r26 = frame_addr + offsetof(struct target_sigframe, retcode);

    }



    unlock_user_struct(frame, frame_addr, 1);
@@ -6424,7 +6424,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka, 
                   &frame->retcode[1]);

        __put_user(INSN_CALLSYS, &frame->retcode[2]);

        /* imb(); */

        r26 = frame_addr;

        r26 = frame_addr + offsetof(struct target_sigframe, retcode);

    }



    if (err) {