X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fbreakpoints.c;h=637f681d7f4f284d68337ada46c93c03b2f906b5;hp=f2b6ff780e7683c6bb041b64b56f26a54aa66594;hb=57d7743639d5092770d79f7c4b12ae694c482750;hpb=0f1163e823c6ca3c2a81fa296157f5dde0635fea diff --git a/src/target/breakpoints.c b/src/target/breakpoints.c index f2b6ff780e..637f681d7f 100644 --- a/src/target/breakpoints.c +++ b/src/target/breakpoints.c @@ -22,7 +22,7 @@ #endif #include "target.h" -#include "log.h" +#include #include "breakpoints.h" @@ -46,6 +46,7 @@ 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; @@ -53,7 +54,11 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu while (breakpoint) { n++; - if (breakpoint->address == address){ + if (breakpoint->address == address) { + /* FIXME don't assume "same address" means "same + * breakpoint" ... check all the parameters before + * succeeding. + */ LOG_DEBUG("Duplicate Breakpoint address: 0x%08" PRIx32 " (BP %d)", address, breakpoint->unique_id ); return ERROR_OK; @@ -71,31 +76,24 @@ int breakpoint_add(struct target *target, uint32_t address, uint32_t length, enu (*breakpoint_p)->next = NULL; (*breakpoint_p)->unique_id = bpwp_unique_id++; - if ((retval = target_add_breakpoint(target, *breakpoint_p)) != ERROR_OK) - { - switch (retval) - { - case ERROR_TARGET_RESOURCE_NOT_AVAILABLE: - LOG_INFO("can't add %s breakpoint, resource not available (BPID=%d)", - breakpoint_type_strings[(*breakpoint_p)->type], - (*breakpoint_p)->unique_id ); - - free((*breakpoint_p)->orig_instr); - free(*breakpoint_p); - *breakpoint_p = NULL; - return retval; - break; - case ERROR_TARGET_NOT_HALTED: - LOG_INFO("can't add breakpoint while target is running (BPID: %d)", - (*breakpoint_p)->unique_id ); - free((*breakpoint_p)->orig_instr); - free(*breakpoint_p); - *breakpoint_p = NULL; - return retval; - break; - default: - break; - } + 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); + free((*breakpoint_p)->orig_instr); + free(*breakpoint_p); + *breakpoint_p = NULL; + return retval; } LOG_DEBUG("added %s breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)", @@ -111,6 +109,7 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint { struct breakpoint *breakpoint = target->breakpoints; struct breakpoint **breakpoint_p = &target->breakpoints; + int retval; while (breakpoint) { @@ -123,9 +122,9 @@ static void breakpoint_free(struct target *target, struct breakpoint *breakpoint if (breakpoint == NULL) return; - target_remove_breakpoint(target, breakpoint); + retval = target_remove_breakpoint(target, breakpoint); - LOG_DEBUG("BPID: %d", breakpoint->unique_id ); + LOG_DEBUG("free BPID: %d --> %d", breakpoint->unique_id, retval); (*breakpoint_p) = breakpoint->next; free(breakpoint->orig_instr); free(breakpoint); @@ -157,7 +156,9 @@ void breakpoint_remove(struct target *target, uint32_t address) void breakpoint_clear_target(struct target *target) { struct breakpoint *breakpoint; - LOG_DEBUG("Delete all breakpoints for target: %s", target_get_name( target )); + + LOG_DEBUG("Delete all breakpoints for target: %s", + target_name(target)); while ((breakpoint = target->breakpoints) != NULL) { breakpoint_free(target, breakpoint); @@ -235,11 +236,12 @@ bye: return retval; } - LOG_DEBUG("added %s watchpoint at 0x%8.8" PRIx32 " of length 0x%8.8x (WPID: %d)", - watchpoint_rw_strings[(*watchpoint_p)->rw], - (*watchpoint_p)->address, - (*watchpoint_p)->length, - (*watchpoint_p)->unique_id ); + LOG_DEBUG("added %s watchpoint at 0x%8.8" PRIx32 + " of length 0x%8.8" PRIx32 " (WPID: %d)", + watchpoint_rw_strings[(*watchpoint_p)->rw], + (*watchpoint_p)->address, + (*watchpoint_p)->length, + (*watchpoint_p)->unique_id ); return ERROR_OK; } @@ -248,6 +250,7 @@ static void watchpoint_free(struct target *target, struct watchpoint *watchpoint { struct watchpoint *watchpoint = target->watchpoints; struct watchpoint **watchpoint_p = &target->watchpoints; + int retval; while (watchpoint) { @@ -259,8 +262,8 @@ static void watchpoint_free(struct target *target, struct watchpoint *watchpoint if (watchpoint == NULL) return; - target_remove_watchpoint(target, watchpoint); - LOG_DEBUG("WPID: %d", watchpoint->unique_id ); + retval = target_remove_watchpoint(target, watchpoint); + LOG_DEBUG("free WPID: %d --> %d", watchpoint->unique_id, retval); (*watchpoint_p) = watchpoint->next; free(watchpoint); } @@ -291,7 +294,9 @@ void watchpoint_remove(struct target *target, uint32_t address) void watchpoint_clear_target(struct target *target) { struct watchpoint *watchpoint; - LOG_DEBUG("Delete all watchpoints for target: %s", target_get_name( target )); + + LOG_DEBUG("Delete all watchpoints for target: %s", + target_name(target)); while ((watchpoint = target->watchpoints) != NULL) { watchpoint_free(target, watchpoint);