diff options
Diffstat (limited to 'nuttx/arch/avr/src/avr32/up_sigdeliver.c')
| -rw-r--r-- | nuttx/arch/avr/src/avr32/up_sigdeliver.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/nuttx/arch/avr/src/avr32/up_sigdeliver.c b/nuttx/arch/avr/src/avr32/up_sigdeliver.c index b000f118a..c88669482 100644 --- a/nuttx/arch/avr/src/avr32/up_sigdeliver.c +++ b/nuttx/arch/avr/src/avr32/up_sigdeliver.c @@ -82,7 +82,11 @@ void up_sigdeliver(void) { _TCB *rtcb = (_TCB*)g_readytorun.head; +#if 0 uint32_t regs[XCPTCONTEXT_REGS+3]; /* Why +3? See below */ +#else + uint32_t regs[XCPTCONTEXT_REGS]; +#endif sig_deliver_t sigdeliver; /* Save the errno. This must be preserved throughout the signal handling @@ -140,7 +144,9 @@ void up_sigdeliver(void) * dangerous because there is the very real possibility that the new * stack pointer might overlap with the register save area and hat stack * usage in up_fullcontextrestore might corrupt the register save data - * before the state is restored. + * before the state is restored. At present, there does not appear to + * be any stack overlap problems. If there were, then adding 3 words + * to the size of register save structure size will protect its contents. */ up_ledoff(LED_SIGNAL); |