Commit 95567c27 authored by Luc Michel's avatar Luc Michel Committed by Peter Maydell
Browse files

gdbstub: add multiprocess support to gdb_vm_state_change() 



Add support for multiprocess extension in gdb_vm_state_change()
function.

Signed-off-by: default avatarLuc Michel <luc.michel@greensocs.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Acked-by: default avatarAlistair Francis <alistair.francis@wdc.com>
Message-id: 20181207090135.7651-10-luc.michel@greensocs.com
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parent c145eeae

gdbstub.c

+12 −3
Original line number Diff line number Diff line
@@ -1724,6 +1724,7 @@ static void gdb_vm_state_change(void *opaque, int running, RunState state) 
    GDBState *s = gdbserver_state;

    CPUState *cpu = s->c_cpu;

    char buf[256];

    char thread_id[16];

    const char *type;

    int ret;
@@ -1735,6 +1736,14 @@ static void gdb_vm_state_change(void *opaque, int running, RunState state) 
        put_packet(s, s->syscall_buf);

        return;

    }



    if (cpu == NULL) {

        /* No process attached */

        return;

    }



    gdb_fmt_thread_id(s, cpu, thread_id, sizeof(thread_id));



    switch (state) {

    case RUN_STATE_DEBUG:

        if (cpu->watchpoint_hit) {
@@ -1752,8 +1761,8 @@ static void gdb_vm_state_change(void *opaque, int running, RunState state) 
            trace_gdbstub_hit_watchpoint(type, cpu_gdb_index(cpu),

                    (target_ulong)cpu->watchpoint_hit->vaddr);

            snprintf(buf, sizeof(buf),

                     "T%02xthread:%02x;%swatch:" TARGET_FMT_lx ";",

                     GDB_SIGNAL_TRAP, cpu_gdb_index(cpu), type,

                     "T%02xthread:%s;%swatch:" TARGET_FMT_lx ";",

                     GDB_SIGNAL_TRAP, thread_id, type,

                     (target_ulong)cpu->watchpoint_hit->vaddr);

            cpu->watchpoint_hit = NULL;

            goto send_packet;
@@ -1795,7 +1804,7 @@ static void gdb_vm_state_change(void *opaque, int running, RunState state) 
        break;

    }

    gdb_set_stop_cpu(cpu);

    snprintf(buf, sizeof(buf), "T%02xthread:%02x;", ret, cpu_gdb_index(cpu));

    snprintf(buf, sizeof(buf), "T%02xthread:%s;", ret, thread_id);



send_packet:

    put_packet(s, buf);