gdbserver support

Author: desertkun

compat.h

@@ -33,6 +33,9 @@
 
 #ifdef WIN32
 #include <winsock2.h>
+#else
+#include <netinet/in.h>
+#include <netinet/tcp.h>
 #endif
 
 /* Remove the gcc-specific incantations if we're not using gcc */

debugger/Makefile.am

@@ -29,7 +29,10 @@ fuse_SOURCES += \
                 debugger/disassemble.c \
                 debugger/event.c \
                 debugger/expression.c \
+                debugger/gdbserver.c \
+                debugger/gdbserver_utils.c \
                 debugger/system_variable.c \
+                debugger/packets.c \
                 debugger/variable.c
 
 debugger/commandl.c: debugger/commandy.c

debugger/arch.h

@@ -0,0 +1,29 @@
+#ifndef ARCH_H
+#define ARCH_H
+
+#include <stdint.h>
+
+#define SZ 2
+#define FEATURE_STR "l<target version=\"1.0\">"\
+    "<feature name=\"org.gnu.gdb.z80.cpu\">"\
+    "<reg name=\"af\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"bc\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"de\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"hl\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"sp\" bitsize=\"16\" type=\"data_ptr\"/>"\
+    "<reg name=\"pc\" bitsize=\"16\" type=\"code_ptr\"/>"\
+    "<reg name=\"ix\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"iy\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"af'\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"bc'\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"de'\" bitsize=\"16\" type=\"int\"/>"\
+    "<reg name=\"hl'\" bitsize=\"16\" type=\"int\"/>"\
+    "</feature>"\
+    "<architecture>z80</architecture>"\
+    "</target>"
+
+#define EXTRA_NUM 25
+#define EXTRA_REG 16
+#define EXTRA_SIZE 4
+
+#endif /* ARCH_H */

debugger/debugger.c

@@ -24,6 +24,7 @@
 #include <config.h>
 
 #include "debugger.h"
+#include "gdbserver.h"
 #include "debugger_internals.h"
 #include "event.h"
 #include "fuse.h"
@@ -37,6 +38,7 @@
 
 /* The current activity state of the debugger */
 enum debugger_mode_t debugger_mode;
+char gdbserver_debugging_enabled = 0;
 
 /* Which base should we display things in */
 int debugger_output_base;
@@ -101,14 +103,21 @@ debugger_register_startup( void )
 int
 debugger_trap( void )
 {
-  return ui_debugger_activate();
+    if (gdbserver_debugging_enabled) {
+        return gdbserver_activate();
+    } else {
+        return ui_debugger_activate();
+    }
 }
 
 /* Step one instruction */
 int
 debugger_step( void )
 {
   debugger_mode = DEBUGGER_MODE_HALTED;
+  if (gdbserver_debugging_enabled) {
+      return 0;
+  }
   ui_debugger_deactivate( 0 );
   return 0;
 }
@@ -140,6 +149,10 @@ debugger_run( void )
   debugger_mode = debugger_breakpoints ?
                   DEBUGGER_MODE_ACTIVE :
                   DEBUGGER_MODE_INACTIVE;
+  if (gdbserver_debugging_enabled)
+  {
+      return 0;
+  }
   ui_debugger_deactivate( 1 );
   return 0;
 }

debugger/debugger.h

@@ -43,6 +43,7 @@ enum debugger_mode_t
 };
 
 extern enum debugger_mode_t debugger_mode;
+extern char gdbserver_debugging_enabled;
 
 /* Which base should we display things in */
 extern int debugger_output_base;