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tile: support kprobes on tilegx

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This change includes support for Kprobes, Jprobes and Return Probes.

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Tony Lu <zlu@tilera.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Tony Lu
2013-08-09 15:08:57 -04:00
committed by Chris Metcalf
parent a61fd5e366
commit 3fa17c395b
14 changed files with 718 additions and 5 deletions
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9
samples/kprobes/kprobe_example.c
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@@ -37,6 +37,11 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs)
" status = 0x%lx\n",
p->addr, regs->cp0_epc, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
printk(KERN_INFO "pre_handler: p->addr = 0x%p, pc = 0x%lx,"
" ex1 = 0x%lx\n",
p->addr, regs->pc, regs->ex1);
#endif
/* A dump_stack() here will give a stack backtrace */
return 0;
@@ -58,6 +63,10 @@ static void handler_post(struct kprobe *p, struct pt_regs *regs,
printk(KERN_INFO "post_handler: p->addr = 0x%p, status = 0x%lx\n",
p->addr, regs->cp0_status);
#endif
#ifdef CONFIG_TILEGX
printk(KERN_INFO "post_handler: p->addr = 0x%p, ex1 = 0x%lx\n",
p->addr, regs->ex1);
#endif
}
/*