2003-05-20  Theodore A. Roth  <address@hidden>

	* src/gdb.h: Add irq_raise method to struct GdbComm.
	* src/gdbserver.c: Catch signals >= 96 and translate into irq triggers.
	* src/main.c: Set irq_raise method to avr_core_irq_raise.

Index: src/gdb.h
===================================================================
RCS file: /cvsroot/simulavr/simulavr/src/gdb.h,v
retrieving revision 1.10
diff -u -r1.10 gdb.h
--- src/gdb.h	4 Mar 2003 21:54:31 -0000	1.10
+++ src/gdb.h	20 May 2003 18:27:48 -0000
@@ -60,6 +60,8 @@
 typedef void (*CommFuncIORegFetch) (void *user_data, int addr, byte *val,
                                     char *reg_name, size_t reg_name_size);
 
+typedef void (*CommFuncIrqRaise) (void *user_data, int irq);
+
 /* This structure allows the target to supply handler functions to the gdb
    interact for performing various tasks. */
 
@@ -95,6 +97,8 @@
     CommFuncReset          reset;
 
     CommFuncIORegFetch     io_fetch;
+
+    CommFuncIrqRaise       irq_raise;
 };
 
 extern void gdb_interact( GdbComm_T *comm, int port, int debug_on );
Index: src/gdbserver.c
===================================================================
RCS file: /cvsroot/simulavr/simulavr/src/gdbserver.c,v
retrieving revision 1.38
diff -u -r1.38 gdbserver.c
--- src/gdbserver.c	4 Mar 2003 21:54:31 -0000	1.38
+++ src/gdbserver.c	20 May 2003 18:27:48 -0000
@@ -1017,6 +1017,17 @@
             comm->reset( comm->user_data );
             gdb_send_reply( fd, "S05" );
             return;
+        default:
+            /* Gdb user issuing the 'signal <signum>' command where signum is
+               >= 96 is interpreted as a request to trigger an interrupt
+               vector. The vector to trigger is signo-96. */
+            if (signo >= 96)
+            {
+                if (comm->irq_raise)
+                {
+                    comm->irq_raise( comm->user_data, signo-96 );
+                }
+            }
     }
 
     /* Modify pkt to look like what gdb_continue() expects and send it to
Index: src/main.c
===================================================================
RCS file: /cvsroot/simulavr/simulavr/src/main.c,v
retrieving revision 1.29
diff -u -r1.29 main.c
--- src/main.c	4 Mar 2003 21:54:32 -0000	1.29
+++ src/main.c	20 May 2003 18:27:48 -0000
@@ -110,6 +110,8 @@
     (CommFuncReset)avr_core_reset,                   /* reset */
 
     (CommFuncIORegFetch)avr_core_io_fetch,           /* io_fetch */
+
+    (CommFuncIrqRaise)avr_core_irq_raise,            /* irq_raise */
 }};
 
 /*