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gdbstub: Implement step (s pkt) with new infra

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Signed-off-by: Jon Doron <arilou@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20190529064148.19856-16-arilou@gmail.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Jon Doron 2019-05-29 09:41:43 +03:00 committed by Alex Bennée
parent 4b20fab101
commit 933f80dd42
1 changed files with 19 additions and 6 deletions
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25
gdbstub.c
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@ -1812,6 +1812,16 @@ static void handle_file_io(GdbCmdContext *gdb_ctx, void *user_ctx)
gdb_continue(gdb_ctx->s); gdb_continue(gdb_ctx->s);
} }
static void handle_step(GdbCmdContext *gdb_ctx, void *user_ctx)
{
if (gdb_ctx->num_params) {
gdb_set_cpu_pc(gdb_ctx->s, (target_ulong)gdb_ctx->params[0].val_ull);
}
cpu_single_step(gdb_ctx->s->c_cpu, sstep_flags);
gdb_continue(gdb_ctx->s);
}
static int gdb_handle_packet(GDBState *s, const char *line_buf) static int gdb_handle_packet(GDBState *s, const char *line_buf)
{ {
CPUState *cpu; CPUState *cpu;
@ -1944,13 +1954,16 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
} }
break; break;
case 's': case 's':
if (*p != '\0') { {
addr = strtoull(p, (char **)&p, 16); static const GdbCmdParseEntry step_cmd_desc = {
gdb_set_cpu_pc(s, addr); .handler = handle_step,
.cmd = "s",
.cmd_startswith = 1,
.schema = "L0"
};
cmd_parser = &step_cmd_desc;
} }
cpu_single_step(s->c_cpu, sstep_flags); break;
gdb_continue(s);
return RS_IDLE;
case 'F': case 'F':
{ {
static const GdbCmdParseEntry file_io_cmd_desc = { static const GdbCmdParseEntry file_io_cmd_desc = {