breakpoints: fix error handling

do not try to interpret "retval" into a string, just
amend a bit about the context of the already reported
error.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2010-09-13 21:59:39 +02:00
parent 1b0f194d90
commit 4a47d87e47

View File

@ -46,7 +46,6 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
{
struct breakpoint *breakpoint = target->breakpoints;
struct breakpoint **breakpoint_p = &target->breakpoints;
char *reason;
int retval;
int n;
@ -77,19 +76,9 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu
(*breakpoint_p)->unique_id = bpwp_unique_id++;
retval = target_add_breakpoint(target, *breakpoint_p);
switch (retval) {
case ERROR_OK:
break;
case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
reason = "resource not available";
goto fail;
case ERROR_TARGET_NOT_HALTED:
reason = "target running";
goto fail;
default:
reason = "unknown reason";
fail:
LOG_ERROR("can't add breakpoint: %s", reason);
if (retval != ERROR_OK)
{
LOG_ERROR("could not add breakpoint");
free((*breakpoint_p)->orig_instr);
free(*breakpoint_p);
*breakpoint_p = NULL;
@ -185,7 +174,6 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
struct watchpoint *watchpoint = target->watchpoints;
struct watchpoint **watchpoint_p = &target->watchpoints;
int retval;
char *reason;
while (watchpoint)
{
@ -216,21 +204,11 @@ int watchpoint_add(struct target *target, uint32_t address, uint32_t length,
(*watchpoint_p)->unique_id = bpwp_unique_id++;
retval = target_add_watchpoint(target, *watchpoint_p);
switch (retval) {
case ERROR_OK:
break;
case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
reason = "resource not available";
goto bye;
case ERROR_TARGET_NOT_HALTED:
reason = "target running";
goto bye;
default:
reason = "unrecognized error";
bye:
LOG_ERROR("can't add %s watchpoint at 0x%8.8" PRIx32 ", %s",
if (retval != ERROR_OK)
{
LOG_ERROR("can't add %s watchpoint at 0x%8.8" PRIx32,
watchpoint_rw_strings[(*watchpoint_p)->rw],
address, reason);
address);
free (*watchpoint_p);
*watchpoint_p = NULL;
return retval;