Added flag to give stack size

diff --git a/lib/xenix3/descr b/lib/xenix3/descr
index f763d62..a51b5b1 100644 (file)
--- a/lib/xenix3/descr
+++ b/lib/xenix3/descr
@@ -55,6 +55,7 @@ name cv
        from .out
        to .cv
        program {EM}/lib/{M}/cv
-       args < >
+       mapflag -F* CVFLAG=-F*
+       args {CVFLAG?} < >
        outfile a.out
 end

diff --git a/mach/xenix3/cv/cv.c b/mach/xenix3/cv/cv.c
index 1162988..472b3a3 100644 (file)
--- a/mach/xenix3/cv/cv.c
+++ b/mach/xenix3/cv/cv.c
@@ -120,11 +120,27 @@ main(argc, argv)
        long                    datasize ;
        long                    bsssize;
        long                    symstart;
+       long                    stacksize = 0x1000;
 
        output = 1;
        program= argv[0] ;
        if ( argc>1 && argv[1][0]=='-' ) {
-               flag=argv[1][1] ;
+               if (argv[1][1] == 'F') {
+                       register char *p = &argv[1][2];
+
+                       stacksize = 0;
+                       while (*p) {
+                               stacksize <<= 4;
+                               if (*p >= '0' && *p <= '9') 
+                                       stacksize += *p - '0';
+                               else if (*p >= 'a' && *p <= 'f')
+                                       stacksize += 10 + *p - 'a';
+                               else if (*p >= 'A' && *p <= 'F')
+                                       stacksize += 10 + *p - 'A';
+                               else fatal("Illegal -F option\n");
+                               p++;
+                       }
+               }
                argc-- ; argv++ ;
        }
        switch (argc) {
@@ -200,7 +216,7 @@ main(argc, argv)
                if ( outsect[LSECT].os_size != 0 )
                        fatal("end segment must be empty\n") ;
        }
-       ext.xe_stksize = 0x1000;
+       ext.xe_stksize = stacksize;
        /* Not too big, because "brk" and "sbrk"-allocated memory resides
           above the stack!
        */