X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Ftarget%2Fbreakpoints.c;h=6320d2ea83bbecb6a788e4662ac19062160d3d13;hb=391e1b0a57a5308391c2cb3dae18141ee7535ee8;hp=cc38d029b9f13cbb0deed9686379a7bb8855a2db;hpb=835e6440b8d1d26b4e041be7edab200ab2c572ee;p=openocd diff --git a/src/target/breakpoints.c b/src/target/breakpoints.c index cc38d029..6320d2ea 100644 --- a/src/target/breakpoints.c +++ b/src/target/breakpoints.c @@ -30,13 +30,13 @@ #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", @@ -48,7 +48,7 @@ int breakpoint_add(target_t *target, u32 address, u32 length, enum breakpoint_ty breakpoint_t *breakpoint = target->breakpoints; breakpoint_t **breakpoint_p = &target->breakpoints; int retval; - + while (breakpoint) { if (breakpoint->address == address) @@ -62,7 +62,7 @@ int breakpoint_add(target_t *target, u32 address, u32 length, enum breakpoint_ty (*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) @@ -70,38 +70,59 @@ int breakpoint_add(target_t *target, u32 address, u32 length, enum breakpoint_ty 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", breakpoint_type_strings[(*breakpoint_p)->type]); 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"); 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", + LOG_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); 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; + + while (breakpoint) + { + if (breakpoint==breakpoint_remove) + break; + breakpoint_p = &breakpoint->next; + breakpoint = breakpoint->next; + } + + if (breakpoint==NULL) + return; + + target->type->remove_breakpoint(target, breakpoint); + + (*breakpoint_p) = breakpoint->next; + free(breakpoint->orig_instr); + free(breakpoint); +} + +void breakpoint_remove(target_t *target, u32 address) { breakpoint_t *breakpoint = target->breakpoints; breakpoint_t **breakpoint_p = &target->breakpoints; - int retval; while (breakpoint) { @@ -113,30 +134,21 @@ int breakpoint_remove(target_t *target, u32 address) 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%8.8x found", address); + } +} + +void breakpoint_clear_target(target_t *target) +{ + breakpoint_t *breakpoint; + while ((breakpoint = target->breakpoints)!=NULL) + { + breakpoint_free(target, breakpoint); } - - return ERROR_OK; } breakpoint_t* breakpoint_find(target_t *target, u32 address) @@ -181,36 +193,55 @@ int watchpoint_add(target_t *target, u32 address, u32 length, enum watchpoint_rw 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", watchpoint_rw_strings[(*watchpoint_p)->rw]); 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"); 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", + LOG_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); 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; + + while (watchpoint) + { + if (watchpoint == watchpoint_remove) + break; + watchpoint_p = &watchpoint->next; + watchpoint = watchpoint->next; + } + + if (watchpoint==NULL) + return; + target->type->remove_watchpoint(target, watchpoint); + (*watchpoint_p) = watchpoint->next; + free(watchpoint); +} + +void watchpoint_remove(target_t *target, u32 address) { watchpoint_t *watchpoint = target->watchpoints; watchpoint_t **watchpoint_p = &target->watchpoints; - int retval; while (watchpoint) { @@ -222,27 +253,19 @@ int watchpoint_remove(target_t *target, u32 address) 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%8.8x found", address); + } +} + +void watchpoint_clear_target(target_t *target) +{ + watchpoint_t *watchpoint; + while ((watchpoint = target->watchpoints)!=NULL) + { + watchpoint_free(target, watchpoint); } - - return ERROR_OK; }