From 8bed51cd17464433a0c77afc8a5150e51d3da37d Mon Sep 17 00:00:00 2001 From: Chuck Ebbert <76306.1226@compuserve.com> Date: Thu, 23 Mar 2006 02:59:40 -0800 Subject: [PATCH] i386: let signal handlers set the resume flag Allow signal handlers to set the RF bit in EFLAGS. This lets a simple debugger using SIGTRAP skip one instruction after returning from a signal. Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com> Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/i386/kernel/signal.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/i386/kernel/signal.c') diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c index 963616d364e..608eac4a732 100644 --- a/arch/i386/kernel/signal.c +++ b/arch/i386/kernel/signal.c @@ -123,7 +123,8 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *peax err |= __get_user(tmp, &sc->seg); \ loadsegment(seg,tmp); } -#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_OF | X86_EFLAGS_DF | \ +#define FIX_EFLAGS (X86_EFLAGS_AC | X86_EFLAGS_RF | \ + X86_EFLAGS_OF | X86_EFLAGS_DF | \ X86_EFLAGS_TF | X86_EFLAGS_SF | X86_EFLAGS_ZF | \ X86_EFLAGS_AF | X86_EFLAGS_PF | X86_EFLAGS_CF) -- cgit v1.2.3