Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 550f0d92 authored by Helge Deller's avatar Helge Deller Committed by Kyle McMartin
Browse files

parisc: clear floating point exception flag on SIGFPE signal 



Clear the floating point exception flag before returning to
user space. This is needed, else the libc trampoline handler
may hit the same SIGFPE again while building up a trampoline
to a signal handler.

Fixes debian bug #559406.

Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Signed-off-by: default avatarKyle McMartin <kyle@mcmartin.ca>
parent d24944d9

arch/parisc/math-emu/decode_exc.c

+1 −0
Original line number Diff line number Diff line
@@ -342,6 +342,7 @@ decode_fpu(unsigned int Fpu_register[], unsigned int trap_counts[]) 
		return SIGNALCODE(SIGFPE, FPE_FLTINV);

	  case DIVISIONBYZEROEXCEPTION:

		update_trap_counts(Fpu_register, aflags, bflags, trap_counts);

		Clear_excp_register(exception_index);

	  	return SIGNALCODE(SIGFPE, FPE_FLTDIV);

	  case INEXACTEXCEPTION:

		update_trap_counts(Fpu_register, aflags, bflags, trap_counts);