From 524f060924f0e318250a13b7ea8041e649bdcce6 Mon Sep 17 00:00:00 2001
From: abial <abial@FreeBSD.org>
Date: Tue, 22 Dec 1998 11:41:51 +0000
Subject: * Begin integration of built-ins with Forth: leave the exit code from
   a built-in command on Forth stack. * Fix a bug which was causing a panic
 when loading stripped aout kernels.

Reviewed by:	jkh
---
 sys/boot/common/interp.c       | 15 ++++++++++---
 sys/boot/common/interp_forth.c | 13 +++++++-----
 sys/boot/common/load_aout.c    | 48 +++++++++++++++++++++++-------------------
 3 files changed, 46 insertions(+), 30 deletions(-)

diff --git a/sys/boot/common/interp.c b/sys/boot/common/interp.c
index 8ae6d03..95f2967 100644
--- a/sys/boot/common/interp.c
+++ b/sys/boot/common/interp.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: interp.c,v 1.7 1998/10/21 20:07:04 msmith Exp $
+ *	$Id: interp.c,v 1.8 1998/11/04 00:29:01 msmith Exp $
  */
 /*
  * Simple commandline interpreter, toplevel and misc.
@@ -35,6 +35,15 @@
 #include <string.h>
 #include "bootstrap.h"
 
+#ifdef BOOT_FORTH
+#include "ficl.h"
+#define	RETURN(x)	stackPushINT32(bf_vm->pStack,!x); return(x)
+
+extern FICL_VM *bf_vm;
+#else
+#define	RETURN(x)	return(x)
+#endif
+
 #define	MAXARGS	20			/* maximum number of arguments allowed */
 
 static void	prompt(void);
@@ -68,7 +77,7 @@ perform(int argc, char *argv[])
     } else {
 	command_errmsg = "unknown command";
     }
-    return(result);
+    RETURN(result);
 }
 
 /*
@@ -138,7 +147,7 @@ command_source(int argc, char *argv[])
 
     for (i = 1; i < argc; i++)
 	source(argv[i]);
-    return(CMD_OK);
+    RETURN(CMD_OK);
 }
 
 struct sourceline 
diff --git a/sys/boot/common/interp_forth.c b/sys/boot/common/interp_forth.c
index 9da74a5..06daf7a 100644
--- a/sys/boot/common/interp_forth.c
+++ b/sys/boot/common/interp_forth.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: interp_forth.c,v 1.6 1998/11/07 03:44:10 jkh Exp $
+ *	$Id: interp_forth.c,v 1.7 1998/11/07 06:18:00 jkh Exp $
  */
 
 #include <stand.h>
@@ -42,7 +42,7 @@
  * BootForth   Interface to Ficl Forth interpreter.
  */
 
-static FICL_VM	*bf_vm;
+FICL_VM	*bf_vm;
 
 /*
  * Shim for taking commands from BF and passing them out to 'standard'
@@ -89,14 +89,17 @@ bf_command(FICL_VM *vm)
     if (!parse(&argc, &argv, line)) {
 	result = (cmd)(argc, argv);
 	free(argv);
-	if (result != 0) {
-	    strcpy(command_errmsg, vm->pad);
-	    vmTextOut(vm, vm->pad, 1);
+	if(result != 0) {
+		vmTextOut(vm,argv[0],0);
+		vmTextOut(vm,": ",0);
+		vmTextOut(vm,command_errmsg,1);
 	}
     } else {
 	vmTextOut(vm, "parse error\n", 1);
+	result=1;
     }
     free(line);
+    stackPushINT32(vm->pStack,!result);
 }
 
 /*
diff --git a/sys/boot/common/load_aout.c b/sys/boot/common/load_aout.c
index 3a5d34d..6d33ad4 100644
--- a/sys/boot/common/load_aout.c
+++ b/sys/boot/common/load_aout.c
@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: load_aout.c,v 1.9 1998/10/09 23:15:39 peter Exp $
+ *	$Id: load_aout.c,v 1.10 1998/10/12 09:05:12 peter Exp $
  */
 
 #include <sys/param.h>
@@ -223,29 +223,33 @@ aout_loadimage(struct loaded_module *mp, int fd, vm_offset_t loadaddr, struct ex
 
     /* symbol table size */
     ssym = addr;
-    archsw.arch_copyin(&ehdr->a_syms, addr, sizeof(ehdr->a_syms));
-    addr += sizeof(ehdr->a_syms);
+    if(ehdr->a_syms!=NULL) {
+    	archsw.arch_copyin(&ehdr->a_syms, addr, sizeof(ehdr->a_syms));
+    	addr += sizeof(ehdr->a_syms);
 
-    /* symbol table */
-    printf("symbols=[0x%x+0x%lx", sizeof(ehdr->a_syms), ehdr->a_syms);
-    if (archsw.arch_readin(fd, addr, ehdr->a_syms) != ehdr->a_syms)
-	return(0);
-    addr += ehdr->a_syms;
-
-    /* string table */
-    read(fd, &ss, sizeof(ss));
-    archsw.arch_copyin(&ss, addr, sizeof(ss));
-    addr += sizeof(ss);
-    ss -= sizeof(ss);
-    printf("+0x%x+0x%x]", sizeof(ss), ss);
-    if (archsw.arch_readin(fd, addr, ss) != ss)
-	return(0);
-    printf(" \n");
-    addr += ss;
-    esym = addr;
+    	/* symbol table */
+    	printf("symbols=[0x%x+0x%lx", sizeof(ehdr->a_syms), ehdr->a_syms);
+    	if (archsw.arch_readin(fd, addr, ehdr->a_syms) != ehdr->a_syms)
+		return(0);
+    	addr += ehdr->a_syms;
+
+    	/* string table */
+    	read(fd, &ss, sizeof(ss));
+    	archsw.arch_copyin(&ss, addr, sizeof(ss));
+    	addr += sizeof(ss);
+    	ss -= sizeof(ss);
+    	printf("+0x%x+0x%x]", sizeof(ss), ss);
+    	if (archsw.arch_readin(fd, addr, ss) != ss)
+		return(0);
+    	addr += ss;
 
-    mod_addmetadata(mp, MODINFOMD_SSYM, sizeof(ssym), &ssym);
-    mod_addmetadata(mp, MODINFOMD_ESYM, sizeof(esym), &esym);
+    	mod_addmetadata(mp, MODINFOMD_SSYM, sizeof(ssym), &ssym);
+    	mod_addmetadata(mp, MODINFOMD_ESYM, sizeof(esym), &esym);
+    } else {
+	printf("symbols=[none]");
+    }
+    printf("\n");
+    esym = addr;
 
     return(addr - loadaddr);
 }
-- 
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