+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2011 by Broadcom Corporation *
* Evan Hunter - ehunter@broadcom.com *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "rtos.h"
#include "target/target.h"
#include "helper/log.h"
+#include "helper/binarybuffer.h"
#include "server/gdb_server.h"
-static void hex_to_str(char *dst, char *hex_src);
-
/* RTOSs */
-extern struct rtos_type FreeRTOS_rtos;
-extern struct rtos_type ThreadX_rtos;
-extern struct rtos_type eCos_rtos;
-extern struct rtos_type Linux_os;
+extern struct rtos_type freertos_rtos;
+extern struct rtos_type threadx_rtos;
+extern struct rtos_type ecos_rtos;
+extern struct rtos_type linux_rtos;
+extern struct rtos_type chibios_rtos;
+extern struct rtos_type chromium_ec_rtos;
+extern struct rtos_type embkernel_rtos;
+extern struct rtos_type mqx_rtos;
+extern struct rtos_type ucos_iii_rtos;
+extern struct rtos_type nuttx_rtos;
+extern struct rtos_type hwthread_rtos;
+extern struct rtos_type riot_rtos;
+extern struct rtos_type zephyr_rtos;
static struct rtos_type *rtos_types[] = {
- &ThreadX_rtos,
- &FreeRTOS_rtos,
- &eCos_rtos,
- &Linux_os,
+ &threadx_rtos,
+ &freertos_rtos,
+ &ecos_rtos,
+ &linux_rtos,
+ &chibios_rtos,
+ &chromium_ec_rtos,
+ &embkernel_rtos,
+ &mqx_rtos,
+ &ucos_iii_rtos,
+ &nuttx_rtos,
+ &riot_rtos,
+ &zephyr_rtos,
+ /* keep this as last, as it always matches with rtos auto */
+ &hwthread_rtos,
NULL
};
-int rtos_thread_packet(struct connection *connection, char *packet, int packet_size);
+static int rtos_try_next(struct target *target);
+
+int rtos_thread_packet(struct connection *connection, const char *packet, int packet_size);
int rtos_smp_init(struct target *target)
{
return ERROR_TARGET_INIT_FAILED;
}
+static int rtos_target_for_threadid(struct connection *connection, int64_t threadid, struct target **t)
+{
+ struct target *curr = get_target_from_connection(connection);
+ if (t)
+ *t = curr;
+
+ return ERROR_OK;
+}
+
static int os_alloc(struct target *target, struct rtos_type *ostype)
{
struct rtos *os = target->rtos = calloc(1, sizeof(struct rtos));
/* RTOS drivers can override the packet handler in _create(). */
os->gdb_thread_packet = rtos_thread_packet;
+ os->gdb_target_for_threadid = rtos_target_for_threadid;
return JIM_OK;
}
if (!target->rtos)
return;
- if (target->rtos->symbols)
- free(target->rtos->symbols);
-
+ free(target->rtos->symbols);
free(target->rtos);
target->rtos = NULL;
}
{
int ret = os_alloc(target, ostype);
- if (JIM_OK == ret) {
+ if (ret == JIM_OK) {
ret = target->rtos->type->create(target);
if (ret != JIM_OK)
os_free(target);
return ret;
}
-int rtos_create(Jim_GetOptInfo *goi, struct target *target)
+int rtos_create(struct jim_getopt_info *goi, struct target *target)
{
int x;
- char *cp;
- struct Jim_Obj *res;
+ const char *cp;
+ Jim_Obj *res;
+ int e;
if (!goi->isconfigure && goi->argc != 0) {
Jim_WrongNumArgs(goi->interp, goi->argc, goi->argv, "NO PARAMS");
os_free(target);
- Jim_GetOpt_String(goi, &cp, NULL);
+ e = jim_getopt_string(goi, &cp, NULL);
+ if (e != JIM_OK)
+ return e;
+
+ if (strcmp(cp, "none") == 0)
+ return JIM_OK;
- if (0 == strcmp(cp, "auto")) {
+ if (strcmp(cp, "auto") == 0) {
/* Auto detect tries to look up all symbols for each RTOS,
* and runs the RTOS driver's _detect() function when GDB
* finds all symbols for any RTOS. See rtos_qsymbol(). */
}
for (x = 0; rtos_types[x]; x++)
- if (0 == strcmp(cp, rtos_types[x]->name))
+ if (strcmp(cp, rtos_types[x]->name) == 0)
return os_alloc_create(target, rtos_types[x]);
Jim_SetResultFormatted(goi->interp, "Unknown RTOS type %s, try one of: ", cp);
res = Jim_GetResult(goi->interp);
for (x = 0; rtos_types[x]; x++)
Jim_AppendStrings(goi->interp, res, rtos_types[x]->name, ", ", NULL);
- Jim_AppendStrings(goi->interp, res, " or auto", NULL);
+ Jim_AppendStrings(goi->interp, res, ", auto or none", NULL);
return JIM_ERR;
}
-int gdb_thread_packet(struct connection *connection, char *packet, int packet_size)
+void rtos_destroy(struct target *target)
+{
+ os_free(target);
+}
+
+int gdb_thread_packet(struct connection *connection, char const *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
- if (target->rtos == NULL)
+ if (!target->rtos)
return rtos_thread_packet(connection, packet, packet_size); /* thread not
*found*/
return target->rtos->gdb_thread_packet(connection, packet, packet_size);
}
-/* return -1 if no rtos defined, 0 if rtos and symbol to be asked, 1 if all
- * symbol have been asked*/
-int rtos_qsymbol(struct connection *connection, char *packet, int packet_size)
+
+static struct symbol_table_elem *next_symbol(struct rtos *os, char *cur_symbol, uint64_t cur_addr)
{
- struct target *target = get_target_from_connection(connection);
- if (target->rtos != NULL) {
- int next_symbol_num = -1;
- if (target->rtos->symbols == NULL)
- target->rtos->type->get_symbol_list_to_lookup(&target->rtos->symbols);
- if (0 == strcmp("qSymbol::", packet))
- /* first query - */
- next_symbol_num = 0;
- else {
- int64_t value = 0;
- char *hex_name_str = malloc(strlen(packet));
- char *name_str;
- int symbol_num;
-
- char *found = strstr(packet, "qSymbol::");
- if (0 == found)
- sscanf(packet, "qSymbol:%" SCNx64 ":%s", &value, hex_name_str);
- else
- /* No value returned by GDB - symbol was not found*/
- sscanf(packet, "qSymbol::%s", hex_name_str);
- name_str = (char *) malloc(1 + strlen(hex_name_str) / 2);
-
- hex_to_str(name_str, hex_name_str);
- symbol_num = 0;
- while ((target->rtos->symbols[symbol_num].symbol_name != NULL) &&
- (0 != strcmp(target->rtos->symbols[symbol_num].symbol_name, name_str)))
- symbol_num++;
-
- if (target->rtos->symbols[symbol_num].symbol_name == NULL) {
- LOG_OUTPUT("ERROR: unknown symbol\r\n");
- gdb_put_packet(connection, "OK", 2);
- free(hex_name_str);
- free(name_str);
- return ERROR_OK;
- }
+ struct symbol_table_elem *s;
- target->rtos->symbols[symbol_num].address = value;
+ if (!os->symbols)
+ os->type->get_symbol_list_to_lookup(&os->symbols);
- next_symbol_num = symbol_num+1;
- free(hex_name_str);
- free(name_str);
+ if (!cur_symbol[0])
+ return &os->symbols[0];
+
+ for (s = os->symbols; s->symbol_name; s++)
+ if (!strcmp(s->symbol_name, cur_symbol)) {
+ s->address = cur_addr;
+ s++;
+ return s;
}
- int symbols_done = 0;
- if (target->rtos->symbols[next_symbol_num].symbol_name == NULL) {
- if ((target->rtos_auto_detect == false) ||
- (1 == target->rtos->type->detect_rtos(target))) {
- /* Found correct RTOS or not autodetecting */
- if (target->rtos_auto_detect == true)
- LOG_OUTPUT("Auto-detected RTOS: %s\r\n",
- target->rtos->type->name);
- symbols_done = 1;
- } else {
- /* Auto detecting RTOS and currently not found */
- if (1 != rtos_try_next(target))
- /* No more RTOS's to try */
- symbols_done = 1;
- else {
- next_symbol_num = 0;
- target->rtos->type->get_symbol_list_to_lookup(
- &target->rtos->symbols);
- }
+ return NULL;
+}
+
+/* searches for 'symbol' in the lookup table for 'os' and returns TRUE,
+ * if 'symbol' is not declared optional */
+static bool is_symbol_mandatory(const struct rtos *os, const char *symbol)
+{
+ for (struct symbol_table_elem *s = os->symbols; s->symbol_name; ++s) {
+ if (!strcmp(s->symbol_name, symbol))
+ return !s->optional;
+ }
+ return false;
+}
+
+/* rtos_qsymbol() processes and replies to all qSymbol packets from GDB.
+ *
+ * GDB sends a qSymbol:: packet (empty address, empty name) to notify
+ * that it can now answer qSymbol::hexcodedname queries, to look up symbols.
+ *
+ * If the qSymbol packet has no address that means GDB did not find the
+ * symbol, in which case auto-detect will move on to try the next RTOS.
+ *
+ * rtos_qsymbol() then calls the next_symbol() helper function, which
+ * iterates over symbol names for the current RTOS until it finds the
+ * symbol in the received GDB packet, and then returns the next entry
+ * in the list of symbols.
+ *
+ * If GDB replied about the last symbol for the RTOS and the RTOS was
+ * specified explicitly, then no further symbol lookup is done. When
+ * auto-detecting, the RTOS driver _detect() function must return success.
+ *
+ * rtos_qsymbol() returns 1 if an RTOS has been detected, or 0 otherwise.
+ */
+int rtos_qsymbol(struct connection *connection, char const *packet, int packet_size)
+{
+ int rtos_detected = 0;
+ uint64_t addr = 0;
+ size_t reply_len;
+ char reply[GDB_BUFFER_SIZE + 1], cur_sym[GDB_BUFFER_SIZE / 2 + 1] = ""; /* Extra byte for null-termination */
+ struct symbol_table_elem *next_sym;
+ struct target *target = get_target_from_connection(connection);
+ struct rtos *os = target->rtos;
+
+ reply_len = sprintf(reply, "OK");
+
+ if (!os)
+ goto done;
+
+ /* Decode any symbol name in the packet*/
+ size_t len = unhexify((uint8_t *)cur_sym, strchr(packet + 8, ':') + 1, strlen(strchr(packet + 8, ':') + 1));
+ cur_sym[len] = 0;
+
+ if ((strcmp(packet, "qSymbol::") != 0) && /* GDB is not offering symbol lookup for the first time */
+ (!sscanf(packet, "qSymbol:%" SCNx64 ":", &addr)) && /* GDB did not find an address for a symbol */
+ is_symbol_mandatory(os, cur_sym)) { /* the symbol is mandatory for this RTOS */
+
+ /* GDB could not find an address for the previous symbol */
+ if (!target->rtos_auto_detect) {
+ LOG_WARNING("RTOS %s not detected. (GDB could not find symbol \'%s\')", os->type->name, cur_sym);
+ goto done;
+ } else {
+ /* Autodetecting RTOS - try next RTOS */
+ if (!rtos_try_next(target)) {
+ LOG_WARNING("No RTOS could be auto-detected!");
+ goto done;
}
+
+ /* Next RTOS selected - invalidate current symbol */
+ cur_sym[0] = '\x00';
}
- if (symbols_done == 1)
- return symbols_done;
- else {
- char *symname = target->rtos->symbols[next_symbol_num].symbol_name;
- char qsymstr[] = "qSymbol:";
- char *opstring = (char *)malloc(sizeof(qsymstr)+strlen(symname)*2+1);
- char *posptr = opstring;
- posptr += sprintf(posptr, "%s", qsymstr);
- str_to_hex(posptr, symname);
- gdb_put_packet(connection, opstring, strlen(opstring));
- free(opstring);
- return symbols_done;
+ }
+
+ LOG_DEBUG("RTOS: Address of symbol '%s' is 0x%" PRIx64, cur_sym, addr);
+
+ next_sym = next_symbol(os, cur_sym, addr);
+
+ /* Should never happen unless the debugger misbehaves */
+ if (!next_sym) {
+ LOG_WARNING("RTOS: Debugger sent us qSymbol with '%s' that we did not ask for", cur_sym);
+ goto done;
+ }
+
+ if (!next_sym->symbol_name) {
+ /* No more symbols need looking up */
+
+ if (!target->rtos_auto_detect) {
+ rtos_detected = 1;
+ goto done;
}
+
+ if (os->type->detect_rtos(target)) {
+ LOG_INFO("Auto-detected RTOS: %s", os->type->name);
+ rtos_detected = 1;
+ goto done;
+ } else {
+ LOG_WARNING("No RTOS could be auto-detected!");
+ goto done;
+ }
+ }
+
+ if (8 + (strlen(next_sym->symbol_name) * 2) + 1 > sizeof(reply)) {
+ LOG_ERROR("ERROR: RTOS symbol '%s' name is too long for GDB!", next_sym->symbol_name);
+ goto done;
}
- gdb_put_packet(connection, "OK", 2);
- return -1;
+
+ LOG_DEBUG("RTOS: Requesting symbol lookup of '%s' from the debugger", next_sym->symbol_name);
+
+ reply_len = snprintf(reply, sizeof(reply), "qSymbol:");
+ reply_len += hexify(reply + reply_len,
+ (const uint8_t *)next_sym->symbol_name, strlen(next_sym->symbol_name),
+ sizeof(reply) - reply_len);
+
+done:
+ gdb_put_packet(connection, reply, reply_len);
+ return rtos_detected;
}
-int rtos_thread_packet(struct connection *connection, char *packet, int packet_size)
+int rtos_thread_packet(struct connection *connection, char const *packet, int packet_size)
{
struct target *target = get_target_from_connection(connection);
- if (strstr(packet, "qThreadExtraInfo,")) {
- if ((target->rtos != NULL) && (target->rtos->thread_details != NULL) &&
+ if (strncmp(packet, "qThreadExtraInfo,", 17) == 0) {
+ if ((target->rtos) && (target->rtos->thread_details) &&
(target->rtos->thread_count != 0)) {
threadid_t threadid = 0;
int found = -1;
sscanf(packet, "qThreadExtraInfo,%" SCNx64, &threadid);
- if ((target->rtos != NULL) && (target->rtos->thread_details != NULL)) {
+ if ((target->rtos) && (target->rtos->thread_details)) {
int thread_num;
for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) {
if (target->rtos->thread_details[thread_num].threadid == threadid) {
struct thread_detail *detail = &target->rtos->thread_details[found];
int str_size = 0;
- if (detail->display_str != NULL)
- str_size += strlen(detail->display_str);
- if (detail->thread_name_str != NULL)
+ if (detail->thread_name_str)
str_size += strlen(detail->thread_name_str);
- if (detail->extra_info_str != NULL)
+ if (detail->extra_info_str)
str_size += strlen(detail->extra_info_str);
- char *tmp_str = (char *) malloc(str_size + 7);
+ char *tmp_str = calloc(str_size + 9, sizeof(char));
char *tmp_str_ptr = tmp_str;
- if (detail->display_str != NULL)
- tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->display_str);
- if (detail->thread_name_str != NULL) {
+ if (detail->thread_name_str)
+ tmp_str_ptr += sprintf(tmp_str_ptr, "Name: %s", detail->thread_name_str);
+ if (detail->extra_info_str) {
if (tmp_str_ptr != tmp_str)
- tmp_str_ptr += sprintf(tmp_str_ptr, " : ");
- tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->thread_name_str);
- }
- if (detail->extra_info_str != NULL) {
- if (tmp_str_ptr != tmp_str)
- tmp_str_ptr += sprintf(tmp_str_ptr, " : ");
- tmp_str_ptr +=
- sprintf(tmp_str_ptr, " : %s", detail->extra_info_str);
+ tmp_str_ptr += sprintf(tmp_str_ptr, ", ");
+ tmp_str_ptr += sprintf(tmp_str_ptr, "%s", detail->extra_info_str);
}
assert(strlen(tmp_str) ==
(size_t) (tmp_str_ptr - tmp_str));
- char *hex_str = (char *) malloc(strlen(tmp_str)*2 + 1);
- str_to_hex(hex_str, tmp_str);
+ char *hex_str = malloc(strlen(tmp_str) * 2 + 1);
+ size_t pkt_len = hexify(hex_str, (const uint8_t *)tmp_str,
+ strlen(tmp_str), strlen(tmp_str) * 2 + 1);
- gdb_put_packet(connection, hex_str, strlen(hex_str));
+ gdb_put_packet(connection, hex_str, pkt_len);
free(hex_str);
free(tmp_str);
return ERROR_OK;
}
gdb_put_packet(connection, "", 0);
return ERROR_OK;
- } else if (strstr(packet, "qSymbol")) {
+ } else if (strncmp(packet, "qSymbol", 7) == 0) {
if (rtos_qsymbol(connection, packet, packet_size) == 1) {
- target->rtos_auto_detect = false;
- target->rtos->type->create(target);
+ if (target->rtos_auto_detect == true) {
+ target->rtos_auto_detect = false;
+ target->rtos->type->create(target);
+ }
target->rtos->type->update_threads(target->rtos);
- /* No more symbols needed */
- gdb_put_packet(connection, "OK", 2);
}
return ERROR_OK;
- } else if (strstr(packet, "qfThreadInfo")) {
+ } else if (strncmp(packet, "qfThreadInfo", 12) == 0) {
int i;
- if ((target->rtos != NULL) && (target->rtos->thread_count != 0)) {
-
- char *out_str = (char *) malloc(17 * target->rtos->thread_count + 5);
- char *tmp_str = out_str;
- tmp_str += sprintf(tmp_str, "m");
- for (i = 0; i < target->rtos->thread_count; i++) {
- if (i != 0)
- tmp_str += sprintf(tmp_str, ",");
- tmp_str += sprintf(tmp_str, "%016" PRIx64,
- target->rtos->thread_details[i].threadid);
+ if (target->rtos) {
+ if (target->rtos->thread_count == 0) {
+ gdb_put_packet(connection, "l", 1);
+ } else {
+ /*thread id are 16 char +1 for ',' */
+ char *out_str = malloc(17 * target->rtos->thread_count + 1);
+ char *tmp_str = out_str;
+ for (i = 0; i < target->rtos->thread_count; i++) {
+ tmp_str += sprintf(tmp_str, "%c%016" PRIx64, i == 0 ? 'm' : ',',
+ target->rtos->thread_details[i].threadid);
+ }
+ gdb_put_packet(connection, out_str, strlen(out_str));
+ free(out_str);
}
- tmp_str[0] = 0;
- gdb_put_packet(connection, out_str, strlen(out_str));
} else
- gdb_put_packet(connection, "", 0);
+ gdb_put_packet(connection, "l", 1);
return ERROR_OK;
- } else if (strstr(packet, "qsThreadInfo")) {
+ } else if (strncmp(packet, "qsThreadInfo", 12) == 0) {
gdb_put_packet(connection, "l", 1);
return ERROR_OK;
- } else if (strstr(packet, "qAttached")) {
+ } else if (strncmp(packet, "qAttached", 9) == 0) {
gdb_put_packet(connection, "1", 1);
return ERROR_OK;
- } else if (strstr(packet, "qOffsets")) {
+ } else if (strncmp(packet, "qOffsets", 8) == 0) {
char offsets[] = "Text=0;Data=0;Bss=0";
gdb_put_packet(connection, offsets, sizeof(offsets)-1);
return ERROR_OK;
- } else if (strstr(packet, "qC")) {
- if (target->rtos != NULL) {
- char buffer[15];
+ } else if (strncmp(packet, "qCRC:", 5) == 0) {
+ /* make sure we check this before "qC" packet below
+ * otherwise it gets incorrectly handled */
+ return GDB_THREAD_PACKET_NOT_CONSUMED;
+ } else if (strncmp(packet, "qC", 2) == 0) {
+ if (target->rtos) {
+ char buffer[19];
int size;
- size = snprintf(buffer, 15, "QC%08X", (int)target->rtos->current_thread);
+ size = snprintf(buffer, 19, "QC%016" PRIx64, target->rtos->current_thread);
gdb_put_packet(connection, buffer, size);
} else
gdb_put_packet(connection, "QC0", 3);
threadid_t threadid;
int found = -1;
sscanf(packet, "T%" SCNx64, &threadid);
- if ((target->rtos != NULL) && (target->rtos->thread_details != NULL)) {
+ if ((target->rtos) && (target->rtos->thread_details)) {
int thread_num;
for (thread_num = 0; thread_num < target->rtos->thread_count; thread_num++) {
if (target->rtos->thread_details[thread_num].threadid == threadid) {
return ERROR_OK;
} else if (packet[0] == 'H') { /* Set current thread ( 'c' for step and continue, 'g' for
* all other operations ) */
- if ((packet[1] == 'g') && (target->rtos != NULL))
- sscanf(packet, "Hg%16" SCNx64, &target->rtos->current_threadid);
+ if ((packet[1] == 'g') && (target->rtos)) {
+ threadid_t threadid;
+ sscanf(packet, "Hg%16" SCNx64, &threadid);
+ LOG_DEBUG("RTOS: GDB requested to set current thread to 0x%" PRIx64, threadid);
+ /* threadid of 0 indicates target should choose */
+ if (threadid == 0)
+ target->rtos->current_threadid = target->rtos->current_thread;
+ else
+ target->rtos->current_threadid = threadid;
+ }
gdb_put_packet(connection, "OK", 2);
return ERROR_OK;
}
return GDB_THREAD_PACKET_NOT_CONSUMED;
}
+static int rtos_put_gdb_reg_list(struct connection *connection,
+ struct rtos_reg *reg_list, int num_regs)
+{
+ size_t num_bytes = 1; /* NUL */
+ for (int i = 0; i < num_regs; ++i)
+ num_bytes += DIV_ROUND_UP(reg_list[i].size, 8) * 2;
+
+ char *hex = malloc(num_bytes);
+ char *hex_p = hex;
+
+ for (int i = 0; i < num_regs; ++i) {
+ size_t count = DIV_ROUND_UP(reg_list[i].size, 8);
+ size_t n = hexify(hex_p, reg_list[i].value, count, num_bytes);
+ hex_p += n;
+ num_bytes -= n;
+ }
+
+ gdb_put_packet(connection, hex, strlen(hex));
+ free(hex);
+
+ return ERROR_OK;
+}
+
+/** Look through all registers to find this register. */
+int rtos_get_gdb_reg(struct connection *connection, int reg_num)
+{
+ struct target *target = get_target_from_connection(connection);
+ int64_t current_threadid = target->rtos->current_threadid;
+ if ((target->rtos) && (current_threadid != -1) &&
+ (current_threadid != 0) &&
+ ((current_threadid != target->rtos->current_thread) ||
+ (target->smp))) { /* in smp several current thread are possible */
+ struct rtos_reg *reg_list;
+ int num_regs;
+
+ LOG_DEBUG("getting register %d for thread 0x%" PRIx64
+ ", target->rtos->current_thread=0x%" PRIx64,
+ reg_num,
+ current_threadid,
+ target->rtos->current_thread);
+
+ int retval;
+ if (target->rtos->type->get_thread_reg) {
+ reg_list = calloc(1, sizeof(*reg_list));
+ num_regs = 1;
+ retval = target->rtos->type->get_thread_reg(target->rtos,
+ current_threadid, reg_num, ®_list[0]);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("RTOS: failed to get register %d", reg_num);
+ return retval;
+ }
+ } else {
+ retval = target->rtos->type->get_thread_reg_list(target->rtos,
+ current_threadid,
+ ®_list,
+ &num_regs);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("RTOS: failed to get register list");
+ return retval;
+ }
+ }
+
+ for (int i = 0; i < num_regs; ++i) {
+ if (reg_list[i].number == (uint32_t)reg_num) {
+ rtos_put_gdb_reg_list(connection, reg_list + i, 1);
+ free(reg_list);
+ return ERROR_OK;
+ }
+ }
+
+ free(reg_list);
+ }
+ return ERROR_FAIL;
+}
+
+/** Return a list of general registers. */
int rtos_get_gdb_reg_list(struct connection *connection)
{
struct target *target = get_target_from_connection(connection);
int64_t current_threadid = target->rtos->current_threadid;
- if ((target->rtos != NULL) && (current_threadid != -1) &&
+ if ((target->rtos) && (current_threadid != -1) &&
(current_threadid != 0) &&
((current_threadid != target->rtos->current_thread) ||
(target->smp))) { /* in smp several current thread are possible */
- char *hex_reg_list;
- target->rtos->type->get_thread_reg_list(target->rtos,
- current_threadid,
- &hex_reg_list);
-
- if (hex_reg_list != NULL) {
- gdb_put_packet(connection, hex_reg_list, strlen(hex_reg_list));
- free(hex_reg_list);
- return ERROR_OK;
+ struct rtos_reg *reg_list;
+ int num_regs;
+
+ LOG_DEBUG("RTOS: getting register list for thread 0x%" PRIx64
+ ", target->rtos->current_thread=0x%" PRIx64 "\r\n",
+ current_threadid,
+ target->rtos->current_thread);
+
+ int retval = target->rtos->type->get_thread_reg_list(target->rtos,
+ current_threadid,
+ ®_list,
+ &num_regs);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("RTOS: failed to get register list");
+ return retval;
}
+
+ rtos_put_gdb_reg_list(connection, reg_list, num_regs);
+ free(reg_list);
+
+ return ERROR_OK;
+ }
+ return ERROR_FAIL;
+}
+
+int rtos_set_reg(struct connection *connection, int reg_num,
+ uint8_t *reg_value)
+{
+ struct target *target = get_target_from_connection(connection);
+ int64_t current_threadid = target->rtos->current_threadid;
+ if ((target->rtos) &&
+ (target->rtos->type->set_reg) &&
+ (current_threadid != -1) &&
+ (current_threadid != 0)) {
+ return target->rtos->type->set_reg(target->rtos, reg_num, reg_value);
}
return ERROR_FAIL;
}
int rtos_generic_stack_read(struct target *target,
const struct rtos_register_stacking *stacking,
int64_t stack_ptr,
- char **hex_reg_list)
+ struct rtos_reg **reg_list,
+ int *num_regs)
{
- int list_size = 0;
- char *tmp_str_ptr;
- int64_t new_stack_ptr;
- int i;
int retval;
if (stack_ptr == 0) {
- LOG_OUTPUT("Error: null stack pointer in thread\r\n");
+ LOG_ERROR("Error: null stack pointer in thread");
return -5;
}
/* Read the stack */
- uint8_t *stack_data = (uint8_t *) malloc(stacking->stack_registers_size);
+ uint8_t *stack_data = malloc(stacking->stack_registers_size);
uint32_t address = stack_ptr;
if (stacking->stack_growth_direction == 1)
address -= stacking->stack_registers_size;
retval = target_read_buffer(target, address, stacking->stack_registers_size, stack_data);
if (retval != ERROR_OK) {
- LOG_OUTPUT("Error reading stack frame from FreeRTOS thread\r\n");
+ free(stack_data);
+ LOG_ERROR("Error reading stack frame from thread");
return retval;
}
+ LOG_DEBUG("RTOS: Read stack frame at 0x%" PRIx32, address);
+
#if 0
LOG_OUTPUT("Stack Data :");
for (i = 0; i < stacking->stack_registers_size; i++)
LOG_OUTPUT("%02X", stack_data[i]);
LOG_OUTPUT("\r\n");
#endif
- for (i = 0; i < stacking->num_output_registers; i++)
- list_size += stacking->register_offsets[i].width_bits/8;
- *hex_reg_list = (char *)malloc(list_size*2 + 1);
- tmp_str_ptr = *hex_reg_list;
- new_stack_ptr = stack_ptr - stacking->stack_growth_direction *
- stacking->stack_registers_size;
- if (stacking->stack_alignment != 0) {
- /* Align new stack pointer to x byte boundary */
- new_stack_ptr =
- (new_stack_ptr & (~((int64_t) stacking->stack_alignment - 1))) +
- ((stacking->stack_growth_direction == -1) ? stacking->stack_alignment : 0);
+
+ target_addr_t new_stack_ptr;
+ if (stacking->calculate_process_stack) {
+ new_stack_ptr = stacking->calculate_process_stack(target,
+ stack_data, stacking, stack_ptr);
+ } else {
+ new_stack_ptr = stack_ptr - stacking->stack_growth_direction *
+ stacking->stack_registers_size;
}
- for (i = 0; i < stacking->num_output_registers; i++) {
- int j;
- for (j = 0; j < stacking->register_offsets[i].width_bits/8; j++) {
- if (stacking->register_offsets[i].offset == -1)
- tmp_str_ptr += sprintf(tmp_str_ptr, "%02x", 0);
- else if (stacking->register_offsets[i].offset == -2)
- tmp_str_ptr += sprintf(tmp_str_ptr, "%02x",
- ((uint8_t *)&new_stack_ptr)[j]);
- else
- tmp_str_ptr += sprintf(tmp_str_ptr, "%02x",
- stack_data[stacking->register_offsets[i].offset + j]);
- }
+
+ *reg_list = calloc(stacking->num_output_registers, sizeof(struct rtos_reg));
+ *num_regs = stacking->num_output_registers;
+
+ for (int i = 0; i < stacking->num_output_registers; ++i) {
+ (*reg_list)[i].number = stacking->register_offsets[i].number;
+ (*reg_list)[i].size = stacking->register_offsets[i].width_bits;
+
+ int offset = stacking->register_offsets[i].offset;
+ if (offset == -2)
+ buf_cpy(&new_stack_ptr, (*reg_list)[i].value, (*reg_list)[i].size);
+ else if (offset != -1)
+ buf_cpy(stack_data + offset, (*reg_list)[i].value, (*reg_list)[i].size);
}
+
+ free(stack_data);
/* LOG_OUTPUT("Output register string: %s\r\n", *hex_reg_list); */
return ERROR_OK;
}
-int rtos_try_next(struct target *target)
+static int rtos_try_next(struct target *target)
{
struct rtos *os = target->rtos;
struct rtos_type **type = rtos_types;
return 0;
os->type = *type;
- if (os->symbols) {
- free(os->symbols);
- os->symbols = NULL;
- }
+
+ free(os->symbols);
+ os->symbols = NULL;
return 1;
}
-static void hex_to_str(char *dst, char *hex_src)
+int rtos_update_threads(struct target *target)
{
- int src_pos = 0;
- int dst_pos = 0;
-
- while (hex_src[src_pos] != '\x00') {
- char hex_char = hex_src[src_pos];
- char hex_digit_val =
- (hex_char >=
- 'a') ? hex_char-'a'+
- 10 : (hex_char >= 'A') ? hex_char-'A'+10 : hex_char-'0';
- if (0 == (src_pos & 0x01)) {
- dst[dst_pos] = hex_digit_val;
- dst[dst_pos+1] = 0;
- } else {
- ((unsigned char *)dst)[dst_pos] <<= 4;
- ((unsigned char *)dst)[dst_pos] += hex_digit_val;
- dst_pos++;
+ if ((target->rtos) && (target->rtos->type))
+ target->rtos->type->update_threads(target->rtos);
+ return ERROR_OK;
+}
+
+void rtos_free_threadlist(struct rtos *rtos)
+{
+ if (rtos->thread_details) {
+ int j;
+
+ for (j = 0; j < rtos->thread_count; j++) {
+ struct thread_detail *current_thread = &rtos->thread_details[j];
+ free(current_thread->thread_name_str);
+ free(current_thread->extra_info_str);
}
- src_pos++;
+ free(rtos->thread_details);
+ rtos->thread_details = NULL;
+ rtos->thread_count = 0;
+ rtos->current_threadid = -1;
+ rtos->current_thread = 0;
}
-
}
-int str_to_hex(char *hex_dst, char *src)
+int rtos_read_buffer(struct target *target, target_addr_t address,
+ uint32_t size, uint8_t *buffer)
{
- char *posptr = hex_dst;
- unsigned i;
- for (i = 0; i < strlen(src); i++)
- posptr += sprintf(posptr, "%02x", (unsigned char)src[i]);
- return posptr - hex_dst;
+ if (target->rtos->type->read_buffer)
+ return target->rtos->type->read_buffer(target->rtos, address, size, buffer);
+ return ERROR_NOT_IMPLEMENTED;
}
-int rtos_update_threads(struct target *target)
+int rtos_write_buffer(struct target *target, target_addr_t address,
+ uint32_t size, const uint8_t *buffer)
{
- if ((target->rtos != NULL) && (target->rtos->type != NULL))
- target->rtos->type->update_threads(target->rtos);
- return ERROR_OK;
+ if (target->rtos->type->write_buffer)
+ return target->rtos->type->write_buffer(target->rtos, address, size, buffer);
+ return ERROR_NOT_IMPLEMENTED;
}
projects / fw / openocd / blobdiff