From aa409e028c41137a659c02d0081ba57b701e7446 Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 19 Feb 2008 18:58:59 +0000 Subject: [PATCH] MN10300: Make the kernel jump into gdbstub on a BUG Make the kernel jump into gdbstub (if configured) on a BUG with the register set from the BUG rather than interpolating another illegal instruction and leaving gdbstub's idea of the process counter in unsupported_syscall() where the original BUG was detected. With this patch, gdbstub reports a SIGABRT to the compiler and reports the program counter at the original BUG, allowing the execution state at the time of the BUG to be examined with GDB. Signed-off-by: David Howells Signed-off-by: Linus Torvalds --- arch/mn10300/kernel/traps.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mn10300/kernel/traps.c b/arch/mn10300/kernel/traps.c index 8b9dc6d9dcc..fcb9a03d46a 100644 --- a/arch/mn10300/kernel/traps.c +++ b/arch/mn10300/kernel/traps.c @@ -391,7 +391,7 @@ static asmlinkage void unsupported_syscall(struct pt_regs *regs, if (code == EXCEP_SYSCALL15 && !user_mode(regs)) { if (report_bug(regs->pc, regs) == BUG_TRAP_TYPE_BUG) { #ifdef CONFIG_GDBSTUB - __gdbstub_bug_trap(); + gdbstub_intercept(regs, code); #endif } } -- 2.20.1