diff options
| -rw-r--r-- | gdbstub.c | 51 |
1 files changed, 33 insertions, 18 deletions
@@ -1706,6 +1706,31 @@ static void handle_get_reg(GdbCmdContext *gdb_ctx, void *user_ctx) put_packet(gdb_ctx->s, gdb_ctx->str_buf); } +static void handle_write_mem(GdbCmdContext *gdb_ctx, void *user_ctx) +{ + if (gdb_ctx->num_params != 3) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + /* hextomem() reads 2*len bytes */ + if (gdb_ctx->params[1].val_ull > strlen(gdb_ctx->params[2].data) / 2) { + put_packet(gdb_ctx->s, "E22"); + return; + } + + hextomem(gdb_ctx->mem_buf, gdb_ctx->params[2].data, + gdb_ctx->params[1].val_ull); + if (target_memory_rw_debug(gdb_ctx->s->g_cpu, gdb_ctx->params[0].val_ull, + gdb_ctx->mem_buf, + gdb_ctx->params[1].val_ull, true)) { + put_packet(gdb_ctx->s, "E14"); + return; + } + + put_packet(gdb_ctx->s, "OK"); +} + static int gdb_handle_packet(GDBState *s, const char *line_buf) { CPUState *cpu; @@ -1914,24 +1939,14 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf) } break; case 'M': - addr = strtoull(p, (char **)&p, 16); - if (*p == ',') - p++; - len = strtoull(p, (char **)&p, 16); - if (*p == ':') - p++; - - /* hextomem() reads 2*len bytes */ - if (len > strlen(p) / 2) { - put_packet (s, "E22"); - break; - } - hextomem(mem_buf, p, len); - if (target_memory_rw_debug(s->g_cpu, addr, mem_buf, len, - true) != 0) { - put_packet(s, "E14"); - } else { - put_packet(s, "OK"); + { + static const GdbCmdParseEntry write_mem_cmd_desc = { + .handler = handle_write_mem, + .cmd = "M", + .cmd_startswith = 1, + .schema = "L,L:s0" + }; + cmd_parser = &write_mem_cmd_desc; } break; case 'p': |