Polished gdb support, etc

[simavr] / simavr / sim / sim_avr.h

diff --git a/simavr/sim/sim_avr.h b/simavr/sim/sim_avr.h
index fe7f36d..0af4836 100644 (file)
--- a/simavr/sim/sim_avr.h
+++ b/simavr/sim/sim_avr.h
@@ -155,8 +155,12 @@ typedef struct avr_t {
        // reset before each new instructions. Allows meaningful traces
        uint32_t        touched[256 / 32];      // debug
 
-       // placeholder
+       // gdb hooking structure. Only present when gdb server is active
        struct avr_gdb_t * gdb;
+       // if non-zero, the gdb server will be started when the core
+       // crashed even if not activated at startup
+       // if zero, the simulator will just exit() in case of a crash
+       int             gdb_port;
 } avr_t;
 
 
@@ -193,6 +197,9 @@ void avr_loadcode(avr_t * avr, uint8_t * code, uint32_t size, uint32_t address);
 void avr_core_watch_write(avr_t *avr, uint16_t addr, uint8_t v);
 uint8_t avr_core_watch_read(avr_t *avr, uint16_t addr);
 
+// called when the core has detected a crash somehow.
+// this might activate gdb server
+void avr_sadly_crashed(avr_t *avr, uint8_t signal);
 
 #include "sim_io.h"
 #include "sim_regbit.h"