* src/pic/gen.c (genFunction): set global pic14_hasInterrupt on

[fw/sdcc] / src / pic / glue.c

diff --git a/src/pic/glue.c b/src/pic/glue.c
index f1809b7fddb620e1d0202aef2d91a1ed96543d49..11a8664dd654fb13c13c80505c085cc7da64ee76 100644 (file)
--- a/src/pic/glue.c
+++ b/src/pic/glue.c
@@ -76,6 +76,7 @@ int pic14_getSharebankSize(void);
 int pic14_getSharebankAddress(void);
 
 char *udata_section_name=0;            // FIXME Temporary fix to change udata section name -- VR
+int pic14_hasInterrupt = 0;            // Indicates whether to emit interrupt handler or not
 
 /*-----------------------------------------------------------------*/
 /* aopLiteral - string from a literal value                        */
@@ -1176,6 +1177,26 @@ pic14emitOverlay (FILE * afile)
 }
 
 
+void
+pic14_emitInterruptHandler (FILE * asmFile)
+{
+       if (pic14_hasInterrupt)
+       {
+
+               fprintf (asmFile, "%s", iComments2);
+               fprintf (asmFile, "; interrupt and initialization code\n");
+               fprintf (asmFile, "%s", iComments2);
+               // Note - for mplink may have to enlarge section vectors in .lnk file
+               // Note: Do NOT name this code_interrupt to avoid nameclashes with
+               //       source files's code segment (interrupt.c -> code_interrupt)
+               fprintf (asmFile, "c_interrupt\t%s\t0x4\n", CODE_NAME);
+               
+               /* interrupt service routine */
+               fprintf (asmFile, "__sdcc_interrupt\n");
+               copypCode(asmFile, 'I');
+       }       
+}
+
 /*-----------------------------------------------------------------*/
 /* glue - the final glue that hold the whole thing together        */
 /*-----------------------------------------------------------------*/
@@ -1380,16 +1401,12 @@ picglue ()
        /* copy the interrupt vector table */
        if (mainf && IFFUNC_HASBODY(mainf->type)) {
                copyFile (asmFile, vFile);
-               
-               fprintf (asmFile, "%s", iComments2);
-               fprintf (asmFile, "; interrupt and initialization code\n");
-               fprintf (asmFile, "%s", iComments2);
-               fprintf (asmFile, "code_interrupt\t%s\t0x4\n", CODE_NAME); // Note - for mplink may have to enlarge section vectors in .lnk file
-               
-               /* interrupt service routine */
-               fprintf (asmFile, "__sdcc_interrupt\n");
-               copypCode(asmFile, 'I');
-               
+       }
+       
+       /* create interupt ventor handler */
+       pic14_emitInterruptHandler (asmFile);
+       
+       if (mainf && IFFUNC_HASBODY(mainf->type)) {
                /* initialize data memory */
                fprintf (asmFile, "code_init\t%s\n", CODE_NAME); // Note - for mplink may have to enlarge section vectors in .lnk file
                fprintf (asmFile,"__sdcc_gsinit_startup\n");