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rtos: allow symbols to be optional for a particular RTOS

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Default to non-optional.

Change-Id: Ifc9ddb1ab701a19c3760f95da47da6f7d412ff2e
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2355
Tested-by: jenkins
Reviewed-by: Christian Gudrian <christian.gudrian@gmx.de>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Paul Fertser
2014-10-25 11:20:10 +04:00
committed by Spencer Oliver
parent 08607aefc0
commit 6d562283b5
8 changed files with 33 additions and 20 deletions
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31
src/rtos/rtos.c
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@@ -147,7 +147,7 @@ int gdb_thread_packet(struct connection *connection, char const *packet, int pac
return target->rtos->gdb_thread_packet(connection, packet, packet_size);
}
static const char *next_symbol(struct rtos *os, char *cur_symbol, uint64_t cur_addr)
static symbol_table_elem_t *next_symbol(struct rtos *os, char *cur_symbol, uint64_t cur_addr)
{
symbol_table_elem_t *s;
@@ -155,18 +155,29 @@ static const char *next_symbol(struct rtos *os, char *cur_symbol, uint64_t cur_a
os->type->get_symbol_list_to_lookup(&os->symbols);
if (!cur_symbol[0])
return os->symbols[0].symbol_name;
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->symbol_name;
return s;
}
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 (symbol_table_elem_t *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
@@ -192,7 +203,7 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
uint64_t addr = 0;
size_t reply_len;
char reply[GDB_BUFFER_SIZE], cur_sym[GDB_BUFFER_SIZE / 2] = "";
const char *next_sym;
symbol_table_elem_t *next_sym = NULL;
struct target *target = get_target_from_connection(connection);
struct rtos *os = target->rtos;
@@ -206,7 +217,9 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
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 found an address for a symbol */
(!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);
@@ -224,7 +237,7 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
}
next_sym = next_symbol(os, cur_sym, addr);
if (!next_sym) {
if (!next_sym->symbol_name) {
/* No more symbols need looking up */
if (!target->rtos_auto_detect) {
@@ -242,13 +255,13 @@ int rtos_qsymbol(struct connection *connection, char const *packet, int packet_s
}
}
if (8 + (strlen(next_sym) * 2) + 1 > sizeof(reply)) {
LOG_ERROR("ERROR: RTOS symbol '%s' name is too long for GDB!", next_sym);
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;
}
reply_len = snprintf(reply, sizeof(reply), "qSymbol:");
reply_len += hexify(reply + reply_len, next_sym, 0, sizeof(reply) - reply_len);
reply_len += hexify(reply + reply_len, next_sym->symbol_name, 0, sizeof(reply) - reply_len);
done:
gdb_put_packet(connection, reply, reply_len);