Cleanup: nuke trailling whitespaces
[openocd.git] / src / target / breakpoints.c
index cc38d029b9f13cbb0deed9686379a7bb8855a2db..88986518543ca569bb2c7addfcfb32a2bfe71e16 100644 (file)
 #include "config.h"
 #endif
 
-#include <stdlib.h>
-
-#include "binarybuffer.h"
 #include "target.h"
 #include "log.h"
-#include "types.h"
-
 #include "breakpoints.h"
 
-char *breakpoint_type_strings[] =
+
+static char *breakpoint_type_strings[] =
 {
        "hardware",
        "software"
 };
 
-char *watchpoint_rw_strings[] =
+static char *watchpoint_rw_strings[] =
 {
        "read",
        "write",
        "access"
 };
 
-int breakpoint_add(target_t *target, u32 address, u32 length, enum breakpoint_type type)
+// monotonic counter/id-number for breakpoints and watch points
+static int bpwp_unique_id;
+
+int breakpoint_add(target_t *target, uint32_t address, uint32_t length, enum breakpoint_type type)
 {
        breakpoint_t *breakpoint = target->breakpoints;
        breakpoint_t **breakpoint_p = &target->breakpoints;
        int retval;
-               
+       int n;
+
+       n = 0;
        while (breakpoint)
        {
-               if (breakpoint->address == address)
+               n++;
+               if (breakpoint->address == address){
+                       LOG_DEBUG("Duplicate Breakpoint address: 0x%08" PRIx32 " (BP %d)",
+                                 address, breakpoint->unique_id );
                        return ERROR_OK;
+               }
                breakpoint_p = &breakpoint->next;
                breakpoint = breakpoint->next;
        }
-               
+
        (*breakpoint_p) = malloc(sizeof(breakpoint_t));
        (*breakpoint_p)->address = address;
        (*breakpoint_p)->length = length;
        (*breakpoint_p)->type = type;
        (*breakpoint_p)->set = 0;
-       (*breakpoint_p)->orig_instr = malloc(CEIL(length, 8));
+       (*breakpoint_p)->orig_instr = malloc(length);
        (*breakpoint_p)->next = NULL;
-       
-       if ((retval = target->type->add_breakpoint(target, *breakpoint_p)) != ERROR_OK)
+       (*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:
-                               INFO("can't add %s breakpoint, resource not available", breakpoint_type_strings[(*breakpoint_p)->type]);
+                               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:
-                               INFO("can't add breakpoint while target is running");
+                               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:
-                               ERROR("unknown error");
-                               exit(-1);
                                break;
                }
        }
-       
-       DEBUG("added %s breakpoint at 0x%8.8x of length 0x%8.8x", 
-               breakpoint_type_strings[(*breakpoint_p)->type],
-               (*breakpoint_p)->address, (*breakpoint_p)->length);
-       
+
+       LOG_DEBUG("added %s breakpoint at 0x%8.8" PRIx32 " of length 0x%8.8x, (BPID: %d)",
+                         breakpoint_type_strings[(*breakpoint_p)->type],
+                         (*breakpoint_p)->address, (*breakpoint_p)->length,
+                         (*breakpoint_p)->unique_id  );
+
        return ERROR_OK;
 }
 
-int breakpoint_remove(target_t *target, u32 address)
+/* free up a breakpoint */
+static void breakpoint_free(target_t *target, breakpoint_t *breakpoint_remove)
 {
        breakpoint_t *breakpoint = target->breakpoints;
        breakpoint_t **breakpoint_p = &target->breakpoints;
-       int retval;
-       
+
+       while (breakpoint)
+       {
+               if (breakpoint == breakpoint_remove)
+                       break;
+               breakpoint_p = &breakpoint->next;
+               breakpoint = breakpoint->next;
+       }
+
+       if (breakpoint == NULL)
+               return;
+
+       target_remove_breakpoint(target, breakpoint);
+
+       LOG_DEBUG("BPID: %d", breakpoint->unique_id );
+       (*breakpoint_p) = breakpoint->next;
+       free(breakpoint->orig_instr);
+       free(breakpoint);
+}
+
+void breakpoint_remove(target_t *target, uint32_t address)
+{
+       breakpoint_t *breakpoint = target->breakpoints;
+       breakpoint_t **breakpoint_p = &target->breakpoints;
+
        while (breakpoint)
        {
                if (breakpoint->address == address)
@@ -110,55 +143,47 @@ int breakpoint_remove(target_t *target, u32 address)
                breakpoint_p = &breakpoint->next;
                breakpoint = breakpoint->next;
        }
-       
+
        if (breakpoint)
        {
-               if ((retval = target->type->remove_breakpoint(target, breakpoint)) != ERROR_OK)
-               {
-                       switch (retval)
-                       {
-                               case ERROR_TARGET_NOT_HALTED:
-                                       INFO("can't remove breakpoint while target is running");
-                                       return retval;
-                                       break;
-                               default:
-                                       ERROR("unknown error");
-                                       exit(-1);
-                                       break;
-                       }
-               }
-               (*breakpoint_p) = breakpoint->next;
-               free(breakpoint->orig_instr);
-               free(breakpoint);
+               breakpoint_free(target, breakpoint);
        }
        else
        {
-               ERROR("no breakpoint at address 0x%8.8x found", address);
+               LOG_ERROR("no breakpoint at address 0x%8.8" PRIx32 " found", address);
+       }
+}
+
+void breakpoint_clear_target(target_t *target)
+{
+       breakpoint_t *breakpoint;
+       LOG_DEBUG("Delete all breakpoints for target: %s", target_get_name( target ));
+       while ((breakpoint = target->breakpoints) != NULL)
+       {
+               breakpoint_free(target, breakpoint);
        }
-       
-       return ERROR_OK;
 }
 
-breakpoint_t* breakpoint_find(target_t *target, u32 address)
+breakpoint_t* breakpoint_find(target_t *target, uint32_t address)
 {
        breakpoint_t *breakpoint = target->breakpoints;
-       
+
        while (breakpoint)
        {
                if (breakpoint->address == address)
                        return breakpoint;
                breakpoint = breakpoint->next;
        }
-       
+
        return NULL;
 }
 
-int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw rw, u32 value, u32 mask)
+int watchpoint_add(target_t *target, uint32_t address, uint32_t length, enum watchpoint_rw rw, uint32_t value, uint32_t mask)
 {
        watchpoint_t *watchpoint = target->watchpoints;
        watchpoint_t **watchpoint_p = &target->watchpoints;
        int retval;
-               
+
        while (watchpoint)
        {
                if (watchpoint->address == address)
@@ -166,7 +191,7 @@ int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw
                watchpoint_p = &watchpoint->next;
                watchpoint = watchpoint->next;
        }
-       
+
        (*watchpoint_p) = malloc(sizeof(watchpoint_t));
        (*watchpoint_p)->address = address;
        (*watchpoint_p)->length = length;
@@ -175,43 +200,69 @@ int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw
        (*watchpoint_p)->rw = rw;
        (*watchpoint_p)->set = 0;
        (*watchpoint_p)->next = NULL;
-               
-       if ((retval = target->type->add_watchpoint(target, *watchpoint_p)) != ERROR_OK)
+       (*watchpoint_p)->unique_id = bpwp_unique_id++;
+
+       if ((retval = target_add_watchpoint(target, *watchpoint_p)) != ERROR_OK)
        {
                switch (retval)
                {
                        case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
-                               INFO("can't add %s watchpoint, resource not available", watchpoint_rw_strings[(*watchpoint_p)->rw]);
+                               LOG_INFO("can't add %s watchpoint, resource not available (WPID: %d)",
+                                        watchpoint_rw_strings[(*watchpoint_p)->rw],
+                                        (*watchpoint_p)->unique_id );
                                free (*watchpoint_p);
                                *watchpoint_p = NULL;
                                return retval;
                                break;
                        case ERROR_TARGET_NOT_HALTED:
-                               INFO("can't add watchpoint while target is running");
+                               LOG_INFO("can't add watchpoint while target is running (WPID: %d)",
+                                                (*watchpoint_p)->unique_id );
                                free (*watchpoint_p);
                                *watchpoint_p = NULL;
                                return retval;
                                break;
                        default:
-                               ERROR("unknown error");
+                               LOG_ERROR("unknown error");
                                exit(-1);
                                break;
                }
        }
-       
-       DEBUG("added %s watchpoint at 0x%8.8x of length 0x%8.8x",
-               watchpoint_rw_strings[(*watchpoint_p)->rw],
-               (*watchpoint_p)->address, (*watchpoint_p)->length);
-       
+
+       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 );
+
        return ERROR_OK;
 }
 
-int watchpoint_remove(target_t *target, u32 address)
+static void watchpoint_free(target_t *target, watchpoint_t *watchpoint_remove)
 {
        watchpoint_t *watchpoint = target->watchpoints;
        watchpoint_t **watchpoint_p = &target->watchpoints;
-       int retval;
-       
+
+       while (watchpoint)
+       {
+               if (watchpoint == watchpoint_remove)
+                       break;
+               watchpoint_p = &watchpoint->next;
+               watchpoint = watchpoint->next;
+       }
+
+       if (watchpoint == NULL)
+               return;
+       target_remove_watchpoint(target, watchpoint);
+       LOG_DEBUG("WPID: %d", watchpoint->unique_id );
+       (*watchpoint_p) = watchpoint->next;
+       free(watchpoint);
+}
+
+void watchpoint_remove(target_t *target, uint32_t address)
+{
+       watchpoint_t *watchpoint = target->watchpoints;
+       watchpoint_t **watchpoint_p = &target->watchpoints;
+
        while (watchpoint)
        {
                if (watchpoint->address == address)
@@ -219,30 +270,23 @@ int watchpoint_remove(target_t *target, u32 address)
                watchpoint_p = &watchpoint->next;
                watchpoint = watchpoint->next;
        }
-       
+
        if (watchpoint)
        {
-               if ((retval = target->type->remove_watchpoint(target, watchpoint)) != ERROR_OK)
-               {
-                       switch (retval)
-                       {
-                               case ERROR_TARGET_NOT_HALTED:
-                                       INFO("can't remove watchpoint while target is running");
-                                       return retval;
-                                       break;
-                               default:
-                                       ERROR("unknown error");
-                                       exit(-1);
-                                       break;
-                       }
-               }
-               (*watchpoint_p) = watchpoint->next;
-               free(watchpoint);
+               watchpoint_free(target, watchpoint);
        }
        else
        {
-               ERROR("no watchpoint at address 0x%8.8x found", address);
+               LOG_ERROR("no watchpoint at address 0x%8.8" PRIx32 " found", address);
+       }
+}
+
+void watchpoint_clear_target(target_t *target)
+{
+       watchpoint_t *watchpoint;
+       LOG_DEBUG("Delete all watchpoints for target: %s", target_get_name( target ));
+       while ((watchpoint = target->watchpoints) != NULL)
+       {
+               watchpoint_free(target, watchpoint);
        }
-       
-       return ERROR_OK;
 }

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