From: Philip Homburg <philip@cs.vu.nl>
Date: Mon, 23 Apr 2007 13:19:25 +0000 (+0000)
Subject: Prototypes for exception and stacktrace. Declare additional arguments
X-Git-Tag: v3.1.4~428
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/host.html?a=commitdiff_plain;h=bc17115a342e7e943e1f07e5177c3c3dac9e6ff7;p=minix.git

Prototypes for exception and stacktrace. Declare additional arguments
for exception to be able to print nexted exceptions.
---

diff --git a/kernel/arch/i386/exception.c b/kernel/arch/i386/exception.c
index df98dd4e1..e3ee95fac 100755
--- a/kernel/arch/i386/exception.c
+++ b/kernel/arch/i386/exception.c
@@ -4,13 +4,19 @@
  */
 
 #include "../../kernel.h"
+#include "proto.h"
 #include <signal.h>
 #include "../../proc.h"
 
 /*===========================================================================*
  *				exception				     *
  *===========================================================================*/
-PUBLIC void exception(unsigned vec_nr)
+PUBLIC void exception(vec_nr, trap_errno, old_eip, old_cs, old_eflags)
+unsigned vec_nr;
+u32_t trap_errno;
+u32_t old_eip;
+U16_t old_cs;
+u32_t old_eflags;
 {
 /* An exception or unexpected interrupt has occurred. */
 
@@ -84,6 +90,10 @@ PUBLIC void exception(unsigned vec_nr)
   kprintf("process %d (%s), ", proc_nr(saved_proc), saved_proc->p_name);
   kprintf("pc = %u:0x%x", (unsigned) saved_proc->p_reg.cs,
   (unsigned) saved_proc->p_reg.pc);
+  kprintf(
+  "vec_nr= %d, trap_errno= 0x%lx, eip= 0x%lx, cs= 0x%x, eflags= 0x%lx\n",
+	vec_nr, (unsigned long)trap_errno,
+	(unsigned long)old_eip, old_cs, (unsigned long)old_eflags);
 
   panic("exception in a kernel task", NO_NUM);
 }
diff --git a/kernel/arch/i386/proto.h b/kernel/arch/i386/proto.h
index 06eecd09f..0530bf35a 100644
--- a/kernel/arch/i386/proto.h
+++ b/kernel/arch/i386/proto.h
@@ -44,6 +44,11 @@ _PROTOTYPE( void trp, (void) );
 _PROTOTYPE( void s_call, (void) ), _PROTOTYPE( p_s_call, (void) ); 
 _PROTOTYPE( void level0_call, (void) );
 
+/* exception.c */
+_PROTOTYPE( void exception, (unsigned vec_nr, u32_t trap_errno,
+	u32_t old_eip, U16_t old_cs, u32_t old_eflags)			);
+_PROTOTYPE( void stacktrace, (struct proc *proc)			);
+
 /* klib386.s */
 _PROTOTYPE( void level0, (void (*func)(void))                           );
 _PROTOTYPE( void monitor, (void)                                        );