diff options
Diffstat (limited to 'src/server')
| -rw-r--r-- | src/server/gdb_server.c | 232 |
1 files changed, 116 insertions, 116 deletions
diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c index 6c9936ee..d06c7a07 100644 --- a/src/server/gdb_server.c +++ b/src/server/gdb_server.c @@ -46,7 +46,7 @@ static unsigned short gdb_port; static const char *DIGITS = "0123456789abcdef"; -static void gdb_log_callback(void *priv, const char *file, int line, +static void gdb_log_callback(void *priv, const char *file, int line, const char *function, const char *format, va_list args); enum gdb_detach_mode @@ -120,10 +120,10 @@ int gdb_get_char(connection_t *connection, int* next_char) */ struct timeval tv; fd_set read_fds; - + FD_ZERO(&read_fds); FD_SET(connection->fd, &read_fds); - + tv.tv_sec = 1; tv.tv_usec = 0; if (select(connection->fd + 1, &read_fds, NULL, NULL, &tv) == 0) @@ -131,7 +131,7 @@ int gdb_get_char(connection_t *connection, int* next_char) /* This can typically be because a "monitor" command took too long * before printing any progress messages */ - return ERROR_GDB_TIMEOUT; + return ERROR_GDB_TIMEOUT; } #endif gdb_con->buf_cnt = read_socket(connection->fd, gdb_con->buffer, GDB_BUFFER_SIZE); @@ -192,7 +192,7 @@ int gdb_get_char(connection_t *connection, int* next_char) if (gdb_con->buf_cnt > 0) connection->input_pending = 1; else - connection->input_pending = 0; + connection->input_pending = 0; #ifdef _DEBUG_GDB_IO_ DEBUG("returned char '%c' (0x%2.2x)", *next_char, *next_char); #endif @@ -211,7 +211,7 @@ int gdb_putback_char(connection_t *connection, int last_char) } else { - ERROR("BUG: couldn't put character back"); + ERROR("BUG: couldn't put character back"); } return ERROR_OK; @@ -263,9 +263,9 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) if (len > 0) gdb_write(connection, buffer, len); gdb_write(connection, "#", 1); - + snprintf(checksum, 3, "%2.2x", my_checksum); - + gdb_write(connection, checksum, 2); #else void *allocated = NULL; @@ -287,9 +287,9 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) t[1 + len] = '#'; t[1 + len + 1] = DIGITS[(my_checksum >> 4) & 0xf]; t[1 + len + 2] = DIGITS[my_checksum & 0xf]; - + gdb_write(connection, t, totalLen); - + if (allocated) { free(allocated); @@ -387,21 +387,21 @@ int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len) } while (character != '$'); my_checksum = 0; - + count = 0; gdb_connection_t *gdb_con = connection->priv; for (;;) { /* The common case is that we have an entire packet with no escape chars. * We need to leave at least 2 bytes in the buffer to have - * gdb_get_char() update various bits and bobs correctly. + * gdb_get_char() update various bits and bobs correctly. */ if ((gdb_con->buf_cnt > 2) && ((gdb_con->buf_cnt+count) < *len)) { /* The compiler will struggle a bit with constant propagation and * aliasing, so we help it by showing that these values do not - * change inside the loop - */ + * change inside the loop + */ int i; char *buf = gdb_con->buf_p; int run = gdb_con->buf_cnt - 2; @@ -413,13 +413,13 @@ int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len) i++; if (character == '#') { - /* Danger! character can be '#' when esc is + /* Danger! character can be '#' when esc is * used so we need an explicit boolean for done here. */ done = 1; break; } - + if (character == '}') { /* data transmitted in binary mode (X packet) @@ -437,15 +437,15 @@ int gdb_get_packet_inner(connection_t *connection, char *buffer, int *len) } gdb_con->buf_p += i; gdb_con->buf_cnt -= i; - if (done) + if (done) break; - } + } if (count > *len) { ERROR("packet buffer too small"); return ERROR_GDB_BUFFER_TOO_SMALL; } - + if ((retval = gdb_get_char(connection, &character)) != ERROR_OK) return retval; @@ -503,7 +503,7 @@ int gdb_get_packet(connection_t *connection, char *buffer, int *len) gdb_con->busy = 0; return retval; } - + int gdb_output_con(connection_t *connection, char* line) { char *hex_buffer; @@ -527,7 +527,7 @@ int gdb_output_con(connection_t *connection, char* line) int gdb_output(struct command_context_s *context, char* line) { /* this will be dumped to the log and also sent as an O packet if possible */ - USER_SAMELINE(line); + USER_SAMELINE(line); return ERROR_OK; } @@ -535,7 +535,7 @@ int gdb_program_handler(struct target_s *target, enum target_event event, void * { FILE *script; struct command_context_s *cmd_ctx = priv; - + if (target->gdb_program_script) { script = open_file_from_path(cmd_ctx, target->gdb_program_script, "r"); @@ -548,10 +548,10 @@ int gdb_program_handler(struct target_s *target, enum target_event event, void * INFO("executing gdb_program script '%s'", target->gdb_program_script); command_run_file(cmd_ctx, script, COMMAND_EXEC); fclose(script); - + jtag_execute_queue(); } - + return ERROR_OK; } @@ -566,10 +566,10 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event { case TARGET_EVENT_HALTED: /* In the GDB protocol when we are stepping or coninuing execution, - * we have a lingering reply. Upon receiving a halted event + * we have a lingering reply. Upon receiving a halted event * when we have that lingering packet, we reply to the original * step or continue packet. - * + * * Executing monitor commands can bring the target in and * out of the running state so we'll see lots of TARGET_EVENT_XXX * that are to be ignored. @@ -578,7 +578,7 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event { /* stop forwarding log packets! */ log_remove_callback(gdb_log_callback, connection); - + if (gdb_connection->ctrl_c) { signal = 0x2; @@ -603,8 +603,8 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event return ERROR_OK; } -
-
+ + int gdb_new_connection(connection_t *connection) { gdb_connection_t *gdb_connection = malloc(sizeof(gdb_connection_t)); @@ -622,12 +622,12 @@ int gdb_new_connection(connection_t *connection) gdb_connection->vflash_image = NULL; gdb_connection->closed = 0; gdb_connection->busy = 0; - + /* output goes through gdb connection */ command_set_output_handler(connection->cmd_ctx, gdb_output, connection); /* register callback to be informed about target events */ - target_register_event_callback(gdb_target_callback_event_handler, connection); + target_register_event_callback(gdb_target_callback_event_handler, connection); /* a gdb session just attached, put the target in halt mode */ if (((retval = gdb_service->target->type->halt(gdb_service->target)) != ERROR_OK) && @@ -665,7 +665,7 @@ int gdb_connection_closed(connection_t *connection) /* if this connection registered a debug-message receiver delete it */ delete_debug_msg_receiver(connection->cmd_ctx, gdb_service->target); - + if (connection->priv) { free(connection->priv); @@ -712,7 +712,7 @@ void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg) u8 *buf; int buf_len; buf = reg->value; - buf_len = CEIL(reg->size, 8); + buf_len = CEIL(reg->size, 8); if (target->endianness == TARGET_LITTLE_ENDIAN) { @@ -729,7 +729,7 @@ void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg) tstr[(buf_len-1-i)*2] = DIGITS[(buf[i]>>4)&0xf]; tstr[(buf_len-1-i)*2+1] = DIGITS[buf[i]&0xf]; } - } + } } void gdb_target_to_str(target_t *target, char *tstr, char *str) @@ -757,7 +757,7 @@ void gdb_target_to_str(target_t *target, char *tstr, char *str) { str[i] = tstr[i]; } - } + } } int gdb_get_registers_packet(connection_t *connection, target_t *target, char* packet, int packet_size) @@ -870,7 +870,7 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p bin_buf = malloc(CEIL(reg_list[i]->size, 8)); str_to_buf(hex_buf, CEIL(reg_list[i]->size, 8) * 2, bin_buf, reg_list[i]->size, 16); - /* get register arch_type, and call set method */ + /* get register arch_type, and call set method */ arch_type = register_get_arch_type(reg_list[i]->arch_type); if (arch_type == NULL) { @@ -879,14 +879,14 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p } arch_type->set(reg_list[i], bin_buf); - /* advance packet pointer */ + /* advance packet pointer */ packet_p += (CEIL(reg_list[i]->size, 8) * 2); free(bin_buf); free(hex_buf); } - /* free reg_t *reg_list[] array allocated by get_gdb_reg_list */ + /* free reg_t *reg_list[] array allocated by get_gdb_reg_list */ free(reg_list); gdb_put_packet(connection, "OK", 2); @@ -985,7 +985,7 @@ int gdb_set_register_packet(connection_t *connection, target_t *target, char *pa bin_buf = malloc(CEIL(reg_list[reg_num]->size, 8)); str_to_buf(hex_buf, CEIL(reg_list[reg_num]->size, 8) * 2, bin_buf, reg_list[reg_num]->size, 16); - /* get register arch_type, and call set method */ + /* get register arch_type, and call set method */ arch_type = register_get_arch_type(reg_list[reg_num]->arch_type); if (arch_type == NULL) { @@ -1030,7 +1030,7 @@ int gdb_memory_packet_error(connection_t *connection, int retval) /* We don't have to worry about the default 2 second timeout for GDB packets, * because GDB breaks up large memory reads into smaller reads. - * + * * 8191 bytes by the looks of it. Why 8191 bytes instead of 8192????? */ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size) @@ -1067,11 +1067,11 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac { /* TODO : Here we have to lie and send back all zero's lest stack traces won't work. * At some point this might be fixed in GDB, in which case this code can be removed. - * + * * OpenOCD developers are acutely aware of this problem, but there is nothing * gained by involving the user in this problem that hopefully will get resolved * eventually - * + * * http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=2395 * * For now, the default is to fix up things to make current GDB versions work. @@ -1157,7 +1157,7 @@ int gdb_write_memory_packet(connection_t *connection, target_t *target, char *pa else { if ((retval = gdb_memory_packet_error(connection, retval)) != ERROR_OK) - return retval; + return retval; } free(buffer); @@ -1207,7 +1207,7 @@ int gdb_write_memory_binary_packet(connection_t *connection, target_t *target, c else { if ((retval = gdb_memory_packet_error(connection, retval)) != ERROR_OK) - return retval; + return retval; } return ERROR_OK; @@ -1362,14 +1362,14 @@ void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, . return; } int first = 1; - + for (;;) { if ((*xml == NULL) || (!first)) { /* start by 0 to exercise all the code paths. * Need minimum 2 bytes to fit 1 char and 0 terminator. */ - + *size = *size * 2 + 2; char *t = *xml; *xml = realloc(*xml, *size); @@ -1381,7 +1381,7 @@ void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, . return; } } - + va_list ap; int ret; va_start(ap, fmt); @@ -1400,7 +1400,7 @@ void xml_printf(int *retval, char **xml, int *pos, int *size, const char *fmt, . static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len) { char *separator; - + /* Extract and NUL-terminate the annex. */ *annex = buf; while (*buf && *buf != ':') @@ -1408,17 +1408,17 @@ static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len if (*buf == '\0') return -1; *buf++ = 0; - + /* After the read marker and annex, qXfer looks like a * traditional 'm' packet. */ - + *ofs = strtoul(buf, &separator, 16); if (*separator != ',') return -1; *len = strtoul(separator+1, NULL, 16); - + return 0; } @@ -1426,22 +1426,22 @@ int gdb_calc_blocksize(flash_bank_t *bank) { int i; int block_size = 0xffffffff; - + /* loop through all sectors and return smallest sector size */ - + for (i = 0; i < bank->num_sectors; i++) { if (bank->sectors[i].size < block_size) block_size = bank->sectors[i].size; } - + return block_size; } int gdb_query_packet(connection_t *connection, target_t *target, char *packet, int packet_size) { command_context_t *cmd_ctx = connection->cmd_ctx; - + if (strstr(packet, "qRcmd,")) { if (packet_size > 6) @@ -1456,7 +1456,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i cmd[i] = tmp; } cmd[(packet_size - 6)/2] = 0x0; - + /* We want to print all debug output to GDB connection */ log_add_callback(gdb_log_callback, connection); target_call_timer_callbacks(); @@ -1476,22 +1476,22 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i u32 checksum; u32 addr = 0; u32 len = 0; - + /* skip command character */ packet += 5; - + addr = strtoul(packet, &separator, 16); - + if (*separator != ',') { ERROR("incomplete read memory packet received, dropping connection"); return ERROR_SERVER_REMOTE_CLOSED; } - + len = strtoul(separator + 1, NULL, 16); - + retval = target_checksum_memory(target, addr, len, &checksum); - + if (retval == ERROR_OK) { snprintf(gdb_reply, 10, "C%8.8x", checksum); @@ -1500,9 +1500,9 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i else { if ((retval = gdb_memory_packet_error(connection, retval)) != ERROR_OK) - return retval; + return retval; } - + return ERROR_OK; } } @@ -1515,66 +1515,66 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i int pos = 0; int size = 0; - xml_printf(&retval, &buffer, &pos, &size, + xml_printf(&retval, &buffer, &pos, &size, "PacketSize=%x;qXfer:memory-map:read%c;qXfer:features:read-", (GDB_BUFFER_SIZE - 1), gdb_use_memory_map == 1 ? '+' : '-'); - + if (retval != ERROR_OK) { gdb_send_error(connection, 01); return ERROR_OK; } - + gdb_put_packet(connection, buffer, strlen(buffer)); free(buffer); - + return ERROR_OK; } else if (strstr(packet, "qXfer:memory-map:read::")) { /* We get away with only specifying flash here. Regions that are not - * specified are treated as if we provided no memory map(if not we + * specified are treated as if we provided no memory map(if not we * could detect the holes and mark them as RAM). * Normally we only execute this code once, but no big deal if we * have to regenerate it a couple of times. */ - + flash_bank_t *p; char *xml = NULL; int size = 0; int pos = 0; int retval = ERROR_OK; - + int offset; int length; char *separator; int blocksize; - + /* skip command character */ packet += 23; - + offset = strtoul(packet, &separator, 16); length = strtoul(separator + 1, &separator, 16); - + xml_printf(&retval, &xml, &pos, &size, "<memory-map>\n"); - + int i = 0; for (;;) { p = get_flash_bank_by_num(i); if (p == NULL) break; - + /* if device has uneven sector sizes, eg. str7, lpc * we pass the smallest sector size to gdb memory map */ blocksize = gdb_calc_blocksize(p); - + xml_printf(&retval, &xml, &pos, &size, "<memory type=\"flash\" start=\"0x%x\" length=\"0x%x\">\n" \ "<property name=\"blocksize\">0x%x</property>\n" \ "</memory>\n", \ p->base, p->size, blocksize); i++; } - + xml_printf(&retval, &xml, &pos, &size, "</memory-map>\n"); if (retval != ERROR_OK) @@ -1582,7 +1582,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i gdb_send_error(connection, retval); return retval; } - + if (offset + length > pos) { length = pos - offset; @@ -1592,52 +1592,52 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i t[0] = 'l'; memcpy(t + 1, xml + offset, length); gdb_put_packet(connection, t, length + 1); - + free(t); free(xml); return ERROR_OK; } else if (strstr(packet, "qXfer:features:read:")) - { + { char *xml = NULL; int size = 0; int pos = 0; int retval = ERROR_OK; - + int offset; unsigned int length; char *annex; - + /* skip command character */ packet += 20; - + if (decode_xfer_read(packet, &annex, &offset, &length) < 0) { gdb_send_error(connection, 01); return ERROR_OK; } - + if (strcmp(annex, "target.xml") != 0) { gdb_send_error(connection, 01); return ERROR_OK; } - + xml_printf(&retval, &xml, &pos, &size, \ "l<target version=\"1.0\">\n<architecture>arm</architecture>\n</target>\n"); - + if (retval != ERROR_OK) { gdb_send_error(connection, retval); return retval; } - + gdb_put_packet(connection, xml, strlen(xml) + 1); - + free(xml); return ERROR_OK; } - + gdb_put_packet(connection, "", 0); return ERROR_OK; } @@ -1649,18 +1649,18 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p int result; /* if flash programming disabled - send a empty reply */ - + if (gdb_flash_program == 0) { gdb_put_packet(connection, "", 0); return ERROR_OK; } - + if (strstr(packet, "vFlashErase:")) { unsigned long addr; unsigned long length; - + char *parse = packet + 12; if (*parse == '\0') { @@ -1683,14 +1683,14 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p ERROR("incomplete vFlashErase packet received, dropping connection"); return ERROR_SERVER_REMOTE_CLOSED; } - + /* assume all sectors need erasing - stops any problems * when flash_write is called multiple times */ flash_set_dirty(); - + /* perform any target specific operations before the erase */ target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_PROGRAM); - + /* perform erase */ if ((result = flash_erase_address_range(gdb_service->target, addr, length)) != ERROR_OK) { @@ -1702,7 +1702,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p } else gdb_put_packet(connection, "OK", 2); - + return ERROR_OK; } @@ -1724,7 +1724,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p return ERROR_SERVER_REMOTE_CLOSED; } length = packet_size - (parse - packet); - + /* create a new image if there isn't already one */ if (gdb_connection->vflash_image == NULL) { @@ -1758,11 +1758,11 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p DEBUG("wrote %u bytes from vFlash image to flash", written); gdb_put_packet(connection, "OK", 2); } - + image_close(gdb_connection->vflash_image); free(gdb_connection->vflash_image); gdb_connection->vflash_image = NULL; - + return ERROR_OK; } @@ -1777,30 +1777,30 @@ int gdb_detach(connection_t *connection, target_t *target) case GDB_DETACH_RESUME: target->type->resume(target, 1, 0, 1, 0); break; - + case GDB_DETACH_RESET: target_process_reset(connection->cmd_ctx); break; - + case GDB_DETACH_HALT: target->type->halt(target); break; - + case GDB_DETACH_NOTHING: break; } - + gdb_put_packet(connection, "OK", 2); - + return ERROR_OK; } -static void gdb_log_callback(void *priv, const char *file, int line, +static void gdb_log_callback(void *priv, const char *file, int line, const char *function, const char *format, va_list args) { connection_t *connection = priv; gdb_connection_t *gdb_con = connection->priv; - + if (gdb_con->busy) { /* do not reply this using the O packet */ @@ -1810,9 +1810,9 @@ static void gdb_log_callback(void *priv, const char *file, int line, char *t = alloc_printf(format, args); if (t == NULL) return; - - gdb_output_con(connection, t); - + + gdb_output_con(connection, t); + free(t); } @@ -1846,7 +1846,7 @@ int gdb_input_inner(connection_t *connection) switch (packet[0]) { case 'H': - /* Hct... -- set thread + /* Hct... -- set thread * we don't have threads, send empty reply */ gdb_put_packet(connection, NULL, 0); break; @@ -1881,7 +1881,7 @@ int gdb_input_inner(connection_t *connection) case 'c': case 's': { - /* We're running/stepping, in which case we can + /* We're running/stepping, in which case we can * forward log output until the target is halted */ gdb_connection_t *gdb_con = connection->priv; gdb_con->frontend_state = TARGET_RUNNING; @@ -2025,7 +2025,7 @@ int handle_gdb_detach_command(struct command_context_s *cmd_ctx, char *cmd, char return ERROR_OK; } } - + WARNING("invalid gdb_detach configuration directive: %s", args[0]); return ERROR_OK; } @@ -2045,7 +2045,7 @@ int handle_gdb_memory_map_command(struct command_context_s *cmd_ctx, char *cmd, return ERROR_OK; } } - + WARNING("invalid gdb_memory_map configuration directive: %s", args[0]); return ERROR_OK; } @@ -2065,7 +2065,7 @@ int handle_gdb_flash_program_command(struct command_context_s *cmd_ctx, char *cm return ERROR_OK; } } - + WARNING("invalid gdb_memory_map configuration directive: %s", args[0]); return ERROR_OK; } @@ -2085,7 +2085,7 @@ int handle_gdb_report_data_abort_command(struct command_context_s *cmd_ctx, char return ERROR_OK; } } - + WARNING("invalid gdb_report_data_abort configuration directive: %s", args[0]); return ERROR_OK; } |