gdbstub: Implement write memory (M pkt) with new infra
Signed-off-by: Jon Doron <arilou@gmail.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20190529064148.19856-11-arilou@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
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parent
5d0e57bd68
commit
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51
gdbstub.c
51
gdbstub.c
@ -1706,6 +1706,31 @@ static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx)
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put_packet(gdb_ctx->s, gdb_ctx->str_buf);
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put_packet(gdb_ctx->s, gdb_ctx->str_buf);
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}
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}
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static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx)
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{
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if (gdb_ctx->num_params != 3) {
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put_packet(gdb_ctx->s, "E22");
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return;
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}
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/* hextomem() reads 2*len bytes */
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if (gdb_ctx->params[1].val_ull > strlen(gdb_ctx->params[2].data) / 2) {
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put_packet(gdb_ctx->s, "E22");
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return;
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}
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hextomem(gdb_ctx->mem_buf, gdb_ctx->params[2].data,
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gdb_ctx->params[1].val_ull);
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if (target_memory_rw_debug(gdb_ctx->s->g_cpu, gdb_ctx->params[0].val_ull,
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gdb_ctx->mem_buf,
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gdb_ctx->params[1].val_ull, true)) {
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put_packet(gdb_ctx->s, "E14");
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return;
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}
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put_packet(gdb_ctx->s, "OK");
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}
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static int gdb_handle_packet(GDBState *s, const char *line_buf)
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static int gdb_handle_packet(GDBState *s, const char *line_buf)
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{
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{
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CPUState *cpu;
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CPUState *cpu;
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@ -1914,24 +1939,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
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}
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}
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break;
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break;
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case 'M':
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case 'M':
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addr = strtoull(p, (char **)&p, 16);
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{
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if (*p == ',')
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static const GdbCmdParseEntry write_mem_cmd_desc = {
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p++;
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.handler = handle_write_mem,
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len = strtoull(p, (char **)&p, 16);
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.cmd = "M",
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if (*p == ':')
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.cmd_startswith = 1,
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p++;
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.schema = "L,L:s0"
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};
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/* hextomem() reads 2*len bytes */
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cmd_parser = &write_mem_cmd_desc;
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if (len > strlen(p) / 2) {
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put_packet (s, "E22");
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break;
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}
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hextomem(mem_buf, p, len);
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if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len,
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true) != 0) {
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put_packet(s, "E14");
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} else {
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put_packet(s, "OK");
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}
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}
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break;
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break;
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case 'p':
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case 'p':
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