X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Fgdb_server.c;h=09603b38f7021dcc44f2e4f2abd2977b8a75246a;hp=f4e9c326988c5db5b049fa1759a51b367c9c494d;hb=95d2a2372421aeddae01f1af51279ab7989e46b5;hpb=5ecae346cc675cf269d5e3371a7d05181d570cdb diff --git a/src/server/gdb_server.c b/src/server/gdb_server.c index f4e9c32698..09603b38f7 100644 --- a/src/server/gdb_server.c +++ b/src/server/gdb_server.c @@ -44,7 +44,7 @@ static int gdb_breakpoint_override; static enum breakpoint_type gdb_breakpoint_override_type; extern int gdb_error(connection_t *connection, int retval); -static unsigned short gdb_port; +static unsigned short gdb_port = 3333; static const char *DIGITS = "0123456789abcdef"; static void gdb_log_callback(void *priv, const char *file, int line, @@ -61,6 +61,10 @@ enum gdb_detach_mode /* target behaviour on gdb detach */ enum gdb_detach_mode detach_mode = GDB_DETACH_RESUME; +/* number of gdb connections, mainly to supress gdb related debugging spam + * in helper/log.c when no gdb connections are actually active */ +int gdb_actual_connections; + /* set if we are sending a memory map to gdb * via qXfer:memory-map:read packet */ /* enabled by default*/ @@ -184,7 +188,7 @@ int gdb_get_char(connection_t *connection, int* next_char) #ifdef _WIN32 errno = WSAGetLastError(); - switch(errno) + switch (errno) { case WSAEWOULDBLOCK: usleep(1000); @@ -200,7 +204,7 @@ int gdb_get_char(connection_t *connection, int* next_char) exit(-1); } #else - switch(errno) + switch (errno) { case EAGAIN: usleep(1000); @@ -315,7 +319,7 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) break; if ((retval = gdb_get_char(connection, &reply)) != ERROR_OK) return retval; - if( reply == '$' ){ + if ( reply == '$' ){ /* fix a problem with some IAR tools */ gdb_putback_char( connection, reply ); LOG_DEBUG("Unexpected start of new packet"); @@ -345,7 +349,7 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) local_buffer[len++] = '#'; local_buffer[len++] = DIGITS[(my_checksum >> 4) & 0xf]; local_buffer[len++] = DIGITS[my_checksum & 0xf]; - if((retval = gdb_write(connection, local_buffer, len)) != ERROR_OK) + if ((retval = gdb_write(connection, local_buffer, len)) != ERROR_OK) { return retval; } @@ -357,15 +361,15 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) local_buffer[1] = '#'; local_buffer[2] = DIGITS[(my_checksum >> 4) & 0xf]; local_buffer[3] = DIGITS[my_checksum & 0xf]; - if((retval = gdb_write(connection, local_buffer, 1)) != ERROR_OK) + if ((retval = gdb_write(connection, local_buffer, 1)) != ERROR_OK) { return retval; } - if((retval = gdb_write(connection, buffer, len)) != ERROR_OK) + if ((retval = gdb_write(connection, buffer, len)) != ERROR_OK) { return retval; } - if((retval = gdb_write(connection, local_buffer+1, 3)) != ERROR_OK) + if ((retval = gdb_write(connection, local_buffer+1, 3)) != ERROR_OK) { return retval; } @@ -398,7 +402,7 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) log_remove_callback(gdb_log_callback, connection); LOG_WARNING("negative reply, retrying"); } - else if( reply == '$' ){ + else if ( reply == '$' ){ LOG_ERROR("GDB missing ack(1) - assumed good"); gdb_putback_char( connection, reply ); return ERROR_OK; @@ -409,7 +413,7 @@ int gdb_put_packet_inner(connection_t *connection, char *buffer, int len) return ERROR_SERVER_REMOTE_CLOSED; } } - else if( reply == '$' ){ + else if ( reply == '$' ){ LOG_ERROR("GDB missing ack(2) - assumed good"); gdb_putback_char( connection, reply ); return ERROR_OK; @@ -716,7 +720,7 @@ int gdb_target_callback_event_handler(struct target_s *target, enum target_event break; case TARGET_EVENT_GDB_FLASH_ERASE_START: target_handle_event( target, TARGET_EVENT_OLD_gdb_program_config ); - if((retval = jtag_execute_queue()) != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { return retval; } @@ -797,6 +801,9 @@ int gdb_new_connection(connection_t *connection) if (initial_ack != '+') gdb_putback_char(connection, initial_ack); target_call_event_callbacks(gdb_service->target, TARGET_EVENT_GDB_ATTACH ); + + gdb_actual_connections++; + return ERROR_OK; } @@ -805,6 +812,8 @@ int gdb_connection_closed(connection_t *connection) gdb_service_t *gdb_service = connection->service->priv; gdb_connection_t *gdb_connection = connection->priv; + gdb_actual_connections--; + /* see if an image built with vFlash commands is left */ if (gdb_connection->vflash_image) { @@ -835,7 +844,7 @@ int gdb_connection_closed(connection_t *connection) return ERROR_OK; } -void gdb_send_error(connection_t *connection, u8 the_error) +void gdb_send_error(connection_t *connection, uint8_t the_error) { char err[4]; snprintf(err, 4, "E%2.2X", the_error ); @@ -876,7 +885,7 @@ void gdb_str_to_target(target_t *target, char *tstr, reg_t *reg) { int i; - u8 *buf; + uint8_t *buf; int buf_len; buf = reg->value; buf_len = CEIL(reg->size, 8); @@ -905,7 +914,7 @@ static int hextoint(char c) } /* copy over in register buffer */ -void gdb_target_to_reg(target_t *target, char *tstr, int str_len, u8 *bin) +void gdb_target_to_reg(target_t *target, char *tstr, int str_len, uint8_t *bin) { if (str_len % 2) { @@ -916,7 +925,7 @@ void gdb_target_to_reg(target_t *target, char *tstr, int str_len, u8 *bin) int i; for (i = 0; i < str_len; i+=2) { - u8 t = hextoint(tstr[i])<<4; + uint8_t t = hextoint(tstr[i])<<4; t |= hextoint(tstr[i+1]); int j = gdb_reg_pos(target, i/2, str_len/2); @@ -938,7 +947,7 @@ int gdb_get_registers_packet(connection_t *connection, target_t *target, char* p LOG_DEBUG("-"); #endif - if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) + if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) { return gdb_error(connection, retval); } @@ -996,7 +1005,7 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p return ERROR_SERVER_REMOTE_CLOSED; } - if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) + if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) { return gdb_error(connection, retval); } @@ -1004,7 +1013,7 @@ int gdb_set_registers_packet(connection_t *connection, target_t *target, char *p packet_p = packet; for (i = 0; i < reg_list_size; i++) { - u8 *bin_buf; + uint8_t *bin_buf; int chars = (CEIL(reg_list[i]->size, 8) * 2); if (packet_p + chars > packet + packet_size) @@ -1048,7 +1057,7 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa LOG_DEBUG("-"); #endif - if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) + if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) { return gdb_error(connection, retval); } @@ -1074,7 +1083,7 @@ int gdb_get_register_packet(connection_t *connection, target_t *target, char *pa int gdb_set_register_packet(connection_t *connection, target_t *target, char *packet, int packet_size) { char *separator; - u8 *bin_buf; + uint8_t *bin_buf; int reg_num = strtoul(packet + 1, &separator, 16); reg_t **reg_list; int reg_list_size; @@ -1083,7 +1092,7 @@ int gdb_set_register_packet(connection_t *connection, target_t *target, char *pa LOG_DEBUG("-"); - if ((retval = target->type->get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) + if ((retval = target_get_gdb_reg_list(target, ®_list, ®_list_size)) != ERROR_OK) { return gdb_error(connection, retval); } @@ -1154,10 +1163,10 @@ int gdb_error(connection_t *connection, int retval) int gdb_read_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size) { char *separator; - u32 addr = 0; - u32 len = 0; + uint32_t addr = 0; + uint32_t len = 0; - u8 *buffer; + uint8_t *buffer; char *hex_buffer; int retval = ERROR_OK; @@ -1177,7 +1186,7 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac buffer = malloc(len); - LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len); + LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len); retval = target_read_buffer(target, addr, len, buffer); @@ -1203,10 +1212,10 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac { hex_buffer = malloc(len * 2 + 1); - u32 i; + uint32_t i; for (i = 0; i < len; i++) { - u8 t = buffer[i]; + uint8_t t = buffer[i]; hex_buffer[2 * i] = DIGITS[(t >> 4) & 0xf]; hex_buffer[2 * i + 1] = DIGITS[t & 0xf]; } @@ -1228,12 +1237,12 @@ int gdb_read_memory_packet(connection_t *connection, target_t *target, char *pac int gdb_write_memory_packet(connection_t *connection, target_t *target, char *packet, int packet_size) { char *separator; - u32 addr = 0; - u32 len = 0; + uint32_t addr = 0; + uint32_t len = 0; - u8 *buffer; + uint8_t *buffer; - u32 i; + uint32_t i; int retval; /* skip command character */ @@ -1257,12 +1266,12 @@ int gdb_write_memory_packet(connection_t *connection, target_t *target, char *pa buffer = malloc(len); - LOG_DEBUG("addr: 0x%8.8x, len: 0x%8.8x", addr, len); + LOG_DEBUG("addr: 0x%8.8" PRIx32 ", len: 0x%8.8" PRIx32 "", addr, len); for (i=0; itype->step(target, current, address, 0); /* step at current or address, don't handle breakpoints */ + /* step at current or address, don't handle breakpoints */ + retval = target_step(target, current, address, 0); } return retval; } @@ -1367,8 +1377,8 @@ int gdb_breakpoint_watchpoint_packet(connection_t *connection, target_t *target, int type; enum breakpoint_type bp_type = BKPT_SOFT /* dummy init to avoid warning */; enum watchpoint_rw wp_type; - u32 address; - u32 size; + uint32_t address; + uint32_t size; char *separator; int retval; @@ -1530,12 +1540,12 @@ static int decode_xfer_read(char *buf, char **annex, int *ofs, unsigned int *len int gdb_calc_blocksize(flash_bank_t *bank) { - u32 i; - u32 block_size = 0xffffffff; + uint32_t i; + uint32_t block_size = 0xffffffff; /* loop through all sectors and return smallest sector size */ - for (i = 0; i < (u32)bank->num_sectors; i++) + for (i = 0; i < (uint32_t)bank->num_sectors; i++) { if (bank->sectors[i].size < block_size) block_size = bank->sectors[i].size; @@ -1576,8 +1586,8 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i cmd = malloc((packet_size - 6)/2 + 1); for (i=0; i < (packet_size - 6)/2; i++) { - u32 tmp; - sscanf(packet + 6 + 2*i, "%2x", &tmp); + uint32_t tmp; + sscanf(packet + 6 + 2*i, "%2" SCNx32 , &tmp); cmd[i] = tmp; } cmd[(packet_size - 6)/2] = 0x0; @@ -1600,9 +1610,9 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i int retval; char gdb_reply[10]; char *separator; - u32 checksum; - u32 addr = 0; - u32 len = 0; + uint32_t checksum; + uint32_t addr = 0; + uint32_t len = 0; /* skip command character */ packet += 5; @@ -1621,7 +1631,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i if (retval == ERROR_OK) { - snprintf(gdb_reply, 10, "C%8.8x", checksum); + snprintf(gdb_reply, 10, "C%8.8" PRIx32 "", checksum); gdb_put_packet(connection, gdb_reply, 9); } else @@ -1707,7 +1717,7 @@ int gdb_query_packet(connection_t *connection, target_t *target, char *packet, i qsort(banks, flash_get_bank_count(), sizeof(flash_bank_t *), compare_bank); - u32 ram_start=0; + uint32_t ram_start=0; for (i=0; ivflash_image, addr, length, 0x0, (u8*)parse)) != ERROR_OK) + if ((retval = image_add_section(gdb_connection->vflash_image, addr, length, 0x0, (uint8_t*)parse)) != ERROR_OK) { return retval; } @@ -1920,7 +1930,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p if (!strcmp(packet, "vFlashDone")) { - u32 written; + uint32_t written; /* process the flashing buffer. No need to erase as GDB * always issues a vFlashErase first. */ @@ -1936,7 +1946,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p } else { - LOG_DEBUG("wrote %u bytes from vFlash image to flash", written); + LOG_DEBUG("wrote %u bytes from vFlash image to flash", (unsigned)written); gdb_put_packet(connection, "OK", 2); } @@ -1954,7 +1964,7 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p int gdb_detach(connection_t *connection, target_t *target) { - switch( detach_mode ) + switch ( detach_mode ) { case GDB_DETACH_RESUME: target_handle_event( target, TARGET_EVENT_OLD_pre_resume ); @@ -2026,12 +2036,12 @@ int gdb_input_inner(connection_t *connection) /* terminate with zero */ packet[packet_size] = 0; - if( LOG_LEVEL_IS( LOG_LVL_DEBUG ) ){ - if( packet[0] == 'X' ){ + if ( LOG_LEVEL_IS( LOG_LVL_DEBUG ) ){ + if ( packet[0] == 'X' ){ // binary packets spew junk into the debug log stream char buf[ 50 ]; int x; - for( x = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){ + for ( x = 0 ; (x < 49) && (packet[x] != ':') ; x++ ){ buf[x] = packet[x]; } buf[x] = 0; @@ -2188,8 +2198,8 @@ int gdb_init(void) if (gdb_port == 0 && server_use_pipes == 0) { - LOG_DEBUG("no gdb port specified, using default port 3333"); - gdb_port = 3333; + LOG_INFO("gdb port disabled"); + return ERROR_OK; } if (server_use_pipes) @@ -2201,7 +2211,8 @@ int gdb_init(void) add_service("gdb", CONNECTION_PIPE, 0, 1, gdb_new_connection, gdb_input, gdb_connection_closed, gdb_service); - LOG_DEBUG("gdb service for target %s using pipes", target->type->name); + LOG_DEBUG("gdb service for target %s using pipes", + target_get_name(target)); } else { @@ -2212,7 +2223,9 @@ int gdb_init(void) add_service("gdb", CONNECTION_TCP, gdb_port + target->target_number, 1, gdb_new_connection, gdb_input, gdb_connection_closed, gdb_service); - LOG_DEBUG("gdb service for target %s at port %i", target->type->name, gdb_port + target->target_number); + LOG_DEBUG("gdb service for target %s at port %i", + target_get_name(target), + gdb_port + target->target_number); target = target->next; } }