* device/lib/pic16/libsdcc/Makefile: added lregs directory in

[fw/sdcc] / src / pic16 / main.c

diff --git a/src/pic16/main.c b/src/pic16/main.c
index f298a0ea528ed714586f6730dfb77395b2977501..c24466af2814f00f707e061f190dc9e68dc94f24 100644 (file)
--- a/src/pic16/main.c
+++ b/src/pic16/main.c
@@ -296,6 +296,9 @@ _process_pragma(const char *sz)
 #define NL_OPT         "--nl="
 #define USE_CRT                "--use-crt="
 
+#define        OFMSG_LRSUPPORT "--flr-support"
+
+
 char *alt_asm=NULL;
 char *alt_link=NULL;
 
@@ -334,6 +337,7 @@ OPTION pic16_optionsTable[]= {
        { 0,    NL_OPT,         NULL,                           "new line, \"lf\" or \"crlf\""},
        { 0,    USE_CRT,        NULL,   "use <crt-o> run-time initialization module"},
        { 0,    "--no-crt",     &pic16_options.no_crt,  "do not link any default run-time initialization module"},
+       { 0,    OFMSG_LRSUPPORT,        NULL,           "use support functions for local register store/restore"},
        { 0,    NULL,           NULL,   NULL}
        };
 
@@ -352,71 +356,76 @@ _pic16_parseOptions (int *pargc, char **argv, int *i)
   /* TODO: allow port-specific command line options to specify
    * segment names here.
    */
-       /* check for arguments that have associated an integer variable */
-       while(pic16_optionsTable[j].pparameter) {
-               if(ISOPT( pic16_optionsTable[j].longOpt )) {
-                       (*pic16_optionsTable[j].pparameter)++;
-                       return TRUE;
-               }
-               j++;
-       }
-
+  
+    /* check for arguments that have associated an integer variable */
+    while(pic16_optionsTable[j].pparameter) {
+      if(ISOPT( pic16_optionsTable[j].longOpt )) {
+        (*pic16_optionsTable[j].pparameter)++;
+        return TRUE;
+      }
+      j++;
+    }
 
-       if(ISOPT(STACK_MODEL)) {
-               stkmodel = getStringArg(STACK_MODEL, argv, i, *pargc);
-               if(!STRCASECMP(stkmodel, "small"))pic16_options.stack_model = 0;
-               else if(!STRCASECMP(stkmodel, "large"))pic16_options.stack_model = 1;
-               else {
-                       fprintf(stderr, "Unknown stack model: %s", stkmodel);
-                       exit(-1);
-               }
-               return TRUE;
-       }
+    if(ISOPT(STACK_MODEL)) {
+      stkmodel = getStringArg(STACK_MODEL, argv, i, *pargc);
+      if(!STRCASECMP(stkmodel, "small"))pic16_options.stack_model = 0;
+      else if(!STRCASECMP(stkmodel, "large"))pic16_options.stack_model = 1;
+      else {
+        fprintf(stderr, "Unknown stack model: %s", stkmodel);
+        exit(-1);
+      }
+      return TRUE;
+    }
 
-       if(ISOPT(OPT_BANKSEL)) {
-               pic16_options.opt_banksel = getIntArg(OPT_BANKSEL, argv, i, *pargc);
-               return TRUE;
-       }
+    if(ISOPT(OPT_BANKSEL)) {
+      pic16_options.opt_banksel = getIntArg(OPT_BANKSEL, argv, i, *pargc);
+      return TRUE;
+    }
 
-       if(ISOPT(REP_UDATA)) {
-               pic16_sectioninfo.at_udata = Safe_strdup(getStringArg(REP_UDATA, argv, i, *pargc));
-               return TRUE;
-       }
+    if(ISOPT(REP_UDATA)) {
+      pic16_sectioninfo.at_udata = Safe_strdup(getStringArg(REP_UDATA, argv, i, *pargc));
+      return TRUE;
+    }
        
-       if(ISOPT(ALT_ASM)) {
-               alt_asm = Safe_strdup(getStringArg(ALT_ASM, argv, i, *pargc));
-               return TRUE;
-       }
+    if(ISOPT(ALT_ASM)) {
+      alt_asm = Safe_strdup(getStringArg(ALT_ASM, argv, i, *pargc));
+      return TRUE;
+    }
        
-       if(ISOPT(ALT_LINK)) {
-               alt_link = Safe_strdup(getStringArg(ALT_LINK, argv, i, *pargc));
-               return TRUE;
-       }
+    if(ISOPT(ALT_LINK)) {
+      alt_link = Safe_strdup(getStringArg(ALT_LINK, argv, i, *pargc));
+      return TRUE;
+    }
 
-       if(ISOPT(IVT_LOC)) {
-               pic16_options.ivt_loc = getIntArg(IVT_LOC, argv, i, *pargc);
-               return TRUE;
-       }
+    if(ISOPT(IVT_LOC)) {
+      pic16_options.ivt_loc = getIntArg(IVT_LOC, argv, i, *pargc);
+      return TRUE;
+    }
        
-       if(ISOPT(NL_OPT)) {
-          char *tmp;
+    if(ISOPT(NL_OPT)) {
+      char *tmp;
             
-            tmp = Safe_strdup( getStringArg(NL_OPT, argv, i, *pargc) );
-            if(!STRCASECMP(tmp, "lf"))pic16_nl = 0;
-            else if(!STRCASECMP(tmp, "crlf"))pic16_nl = 1;
-            else {
-                  fprintf(stderr, "invalid termination character id\n");
-                  exit(-1);
-            }
-            return TRUE;
+        tmp = Safe_strdup( getStringArg(NL_OPT, argv, i, *pargc) );
+        if(!STRCASECMP(tmp, "lf"))pic16_nl = 0;
+        else if(!STRCASECMP(tmp, "crlf"))pic16_nl = 1;
+        else {
+          fprintf(stderr, "invalid termination character id\n");
+          exit(-1);
         }
+        return TRUE;
+    }
 
-        if(ISOPT(USE_CRT)) {
-            pic16_options.no_crt = 0;
-            pic16_options.crt_name = Safe_strdup( getStringArg(USE_CRT, argv, i, *pargc) );
+    if(ISOPT(USE_CRT)) {
+      pic16_options.no_crt = 0;
+      pic16_options.crt_name = Safe_strdup( getStringArg(USE_CRT, argv, i, *pargc) );
 
-            return TRUE;
-        }
+      return TRUE;
+    }
+
+    if(ISOPT(OFMSG_LRSUPPORT)) {
+      pic16_options.opt_flags |= OF_LR_SUPPORT;
+      return TRUE;
+    }
         
   return FALSE;
 }