diff options
Diffstat (limited to 'arch/mips/kernel/signal.c')
| -rw-r--r-- | arch/mips/kernel/signal.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 54398af2371f..e7b04928caec 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -36,8 +36,20 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +/* + * Horribly complicated - with the bloody RM9000 workarounds enabled + * the signal trampolines is moving to the end of the structure so we can + * increase the alignment without breaking software compatibility. + */ #if ICACHE_REFILLS_WORKAROUND_WAR == 0 +struct sigframe { + u32 sf_ass[4]; /* argument save space for o32 */ + u32 sf_code[2]; /* signal trampoline */ + struct sigcontext sf_sc; + sigset_t sf_mask; +}; + struct rt_sigframe { u32 rs_ass[4]; /* argument save space for o32 */ u32 rs_code[2]; /* signal trampoline */ @@ -47,6 +59,14 @@ struct rt_sigframe { #else +struct sigframe { + u32 sf_ass[4]; /* argument save space for o32 */ + u32 sf_pad[2]; + struct sigcontext sf_sc; /* hw context */ + sigset_t sf_mask; + u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */ +}; + struct rt_sigframe { u32 rs_ass[4]; /* argument save space for o32 */ u32 rs_pad[2]; |