Commit 85139422 authored by H. Peter Anvin's avatar H. Peter Anvin
Browse files

x32: Export setup/restore_sigcontext from signal.c 



Export setup_sigcontext() and restore_sigcontext() from signal.c, so
we can use the 64-bit versions verbatim for x32.

Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent f28f0c23

arch/x86/include/asm/sighandling.h

+5 −0
Original line number Diff line number Diff line
@@ -16,4 +16,9 @@ 


void signal_fault(struct pt_regs *regs, void __user *frame, char *where);



int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,

		       unsigned long *pax);

int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,

		     struct pt_regs *regs, unsigned long mask);



#endif /* _ASM_X86_SIGHANDLING_H */

arch/x86/kernel/signal.c

+4 −6
Original line number Diff line number Diff line
@@ -60,8 +60,7 @@ 
	regs->seg = GET_SEG(seg) | 3;			\

} while (0)



static int

restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,

int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,

		       unsigned long *pax)

{

	void __user *buf;
@@ -117,8 +116,7 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, 
	return err;

}



static int

setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,

int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,

		     struct pt_regs *regs, unsigned long mask)

{

	int err = 0;