Re: silly [< >] and other excess

From: Peter Samuelson (peter@cadcamlab.org)
Date: Mon Nov 27 2000 - 17:02:13 EST


  [Albert D. Cahalan]
> > Somebody else posted a reasonable hack for the [<>] problem. His
> > proposal involved letting multiple values share the same markers,
> > something like this:

[Russell King]
> Yep, now that is one idea I like!

Me too. (: Keith posed two objections:

1. The >] could get word-wrapped so that it doesn't appear on the same
   line as the [<. I *do not* see what makes this hard to parse
   reliably.

2. Someone (i.e. kernel debugger) could insert extra text. Well, same
   culprits can mangle oopsen already -- see klogd. These evil tools,
   whichever ones they may be, should learn to use /* */ or something.
   That way it is relatively easy to ignore their output.

Peter

PS. Should we be using KERN_* here?

--- arch/i386/kernel/traps.c.orig Mon Nov 13 01:44:02 2000
+++ arch/i386/kernel/traps.c Thu Nov 23 10:10:06 2000
@@ -126,7 +126,6 @@
                 printk("%08lx ", *stack++);
         }
 
- printk("\nCall Trace: ");
         stack = esp;
         i = 1;
         module_start = VMALLOC_START;
@@ -144,12 +143,17 @@
                 if (((addr >= (unsigned long) &_stext) &&
                      (addr <= (unsigned long) &_etext)) ||
                     ((addr >= module_start) && (addr <= module_end))) {
- if (i && ((i % 8) == 0))
- printk("\n ");
- printk("[<%08lx>] ", addr);
+ if (i==1)
+ printk("\nCall Trace: [<");
+ else if ((i % 8)==0)
+ printk(">]\n [<");
+ else
+ printk(" ");
+ printk("%08lx", addr);
                         i++;
                 }
         }
+ printk(">]\n");
 }
 
 static void show_registers(struct pt_regs *regs)
-
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