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authorRalf Baechle <ralf@linux-mips.org>2007-02-13 01:31:48 +0000
committerRalf Baechle <ralf@linux-mips.org>2007-02-13 22:40:50 +0000
commit66680583461d7cae281cef63c050c9b6371e3286 (patch)
tree4aaafd553e821775206d4cf0cd0720a98dcd33e2 /arch/mips/kernel/signal.c
parent205d84aaea380bbd1cc1079d44086cd50c2c2dad (diff)
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[MIPS] signal: Move sigframe definition for native O32/N64 into signal.c
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/signal.c')
-rw-r--r--arch/mips/kernel/signal.c20
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];