Release 0.1 changes

SCCS-vsn: lib/csu/i386/Makefile 5.2
SCCS-vsn: lib/csu/i386/crt0.c 5.2

diff --git a/usr/src/lib/csu/i386/Makefile b/usr/src/lib/csu/i386/Makefile
index 19befa2..b6da9d0 100644 (file)
--- a/usr/src/lib/csu/i386/Makefile
+++ b/usr/src/lib/csu/i386/Makefile
@@ -21,9 +21,8 @@
 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE.
 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 # PURPOSE.

-#      @(#)Makefile    5.1 (Berkeley) %G%
-CC=gcc
-AS=a386
+#      @(#)Makefile    5.2 (Berkeley) %G%
+AS=as

 #
 #      crt0    Normal C run time startoff
 #      mcrt0   C run time start off for profiling, ``prof'' conventions
 #
 #      crt0    Normal C run time startoff
 #      mcrt0   C run time start off for profiling, ``prof'' conventions


@@ -44,8 +43,9 @@ install: ${OBJS}
 crt0.o:        crt0.c
        ${CC} -S ${DFLAGS} -DCRT0 crt0.c
        grep -v "^#[ _]" <crt0.s >x.s 
 crt0.o:        crt0.c
        ${CC} -S ${DFLAGS} -DCRT0 crt0.c
        grep -v "^#[ _]" <crt0.s >x.s 

+       ed x.s <:fix

        mv x.s crt0.s
        mv x.s crt0.s

-       /lib/cpp crt0.s > x.s
+       /lib/cpp -traditional crt0.s > x.s

        ${AS} -o x.o x.s
        ld -x -r -o crt0.o x.o
        rm -f x.s x.o crt0.s
        ${AS} -o x.o x.s
        ld -x -r -o crt0.o x.o
        rm -f x.s x.o crt0.s


@@ -54,7 +54,7 @@ moncrt0.o: crt0.c
        ${CC} -S ${DFLAGS} -DMCRT0 crt0.c
        grep -v "^#[ _]" <crt0.s >x.s 
        mv x.s crt0.s
        ${CC} -S ${DFLAGS} -DMCRT0 crt0.c
        grep -v "^#[ _]" <crt0.s >x.s 
        mv x.s crt0.s

-       /lib/cpp crt0.s > x.s
+       /lib/cpp -traditional crt0.s > x.s

        ${AS} -o x.o x.s
        ld -x -r -o moncrt0.o x.o
        rm -f x.s x.o crt0.s
        ${AS} -o x.o x.s
        ld -x -r -o moncrt0.o x.o
        rm -f x.s x.o crt0.s

diff --git a/usr/src/lib/csu/i386/crt0.c b/usr/src/lib/csu/i386/crt0.c
index d175d7d..dc4b9b9 100644 (file)
--- a/usr/src/lib/csu/i386/crt0.c
+++ b/usr/src/lib/csu/i386/crt0.c
@@ -9,32 +9,25 @@
  */
 
 #ifndef lint
  */
 
 #ifndef lint

-static char sccsid[] = "@(#)crt0.c     5.1 (Berkeley) %G%";
+static char sccsid[] = "@(#)crt0.c     5.2 (Berkeley) %G%";

 #endif /* not lint */
 
 #endif /* not lint */
 

-

 /*
  *     C start up routine.
  *     Robert Henry, UCB, 20 Oct 81
  *
 /*
  *     C start up routine.
  *     Robert Henry, UCB, 20 Oct 81
  *

- *     We make the following (true) assumptions:
- *     1) The only register variable that we can trust is bp,
+ *     We make the following (true) assumption:
+ *     1) The only register variable that we can trust is ebp,

  *     which points to the base of the kernel calling frame.
  *     which points to the base of the kernel calling frame.

- *     2) We can allocate as many register variables as we want,
- *     and don't have to save them for anybody.

  */
 
 char **environ = (char **)0;
 static int fd;
 
  */
 
 char **environ = (char **)0;
 static int fd;
 

-#ifdef notyet

 asm("#define _start start");
 asm("#define _eprol eprol");
 asm("  .text");
 asm("#define _start start");
 asm("#define _eprol eprol");
 asm("  .text");

-asm("  .long 0"); /* first instruction should always be 0 (indir thru 0) */
-asm("  .long 0"); /*this means all null pointers return value 0 regardless */
-                       /* of type */
-#endif
+asm("  .long 0xc000c000");

 extern unsigned char   etext;
 extern unsigned char   eprol;
 start()
 extern unsigned char   etext;
 extern unsigned char   eprol;
 start()