Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dd02f06aa96ab4590da12704366450a2d4753d3c
Commit: dd02f06aa96ab4590da12704366450a2d4753d3c
Parent: af3d10d52d38d2c56a8bca9943c07b00031fc718
Author: Ralf Baechle <[EMAIL PROTECTED]>
AuthorDate: Tue Feb 13 00:50:57 2007 +0000
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Tue Feb 13 22:40:50 2007 +0000
[MIPS] signal: Fix warnings in o32 compat code.
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/kernel/signal32.c | 26 +++++++++++++++++++++++---
1 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c
index 183fc7e..1b9262d 100644
--- a/arch/mips/kernel/signal32.c
+++ b/arch/mips/kernel/signal32.c
@@ -139,8 +139,20 @@ struct ucontext32 {
sigset_t32 uc_sigmask; /* mask last for extensibility */
};
+/*
+ * 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 sigframe32 {
+ u32 sf_ass[4]; /* argument save space for o32 */
+ u32 sf_code[2]; /* signal trampoline */
+ struct sigcontext32 sf_sc;
+ sigset_t sf_mask;
+};
+
struct rt_sigframe32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_code[2]; /* signal trampoline */
@@ -150,6 +162,14 @@ struct rt_sigframe32 {
#else /* ICACHE_REFILLS_WORKAROUND_WAR */
+struct sigframe32 {
+ u32 sf_ass[4]; /* argument save space for o32 */
+ u32 sf_pad[2];
+ struct sigcontext32 sf_sc; /* hw context */
+ sigset_t sf_mask;
+ u32 sf_code[8] ____cacheline_aligned; /* signal trampoline */
+};
+
struct rt_sigframe32 {
u32 rs_ass[4]; /* argument save space for o32 */
u32 rs_pad[2];
@@ -493,10 +513,10 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to,
siginfo_t *from)
asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs)
{
- struct sigframe __user *frame;
+ struct sigframe32 __user *frame;
sigset_t blocked;
- frame = (struct sigframe __user *) regs.regs[29];
+ frame = (struct sigframe32 __user *) regs.regs[29];
if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
goto badframe;
if (__copy_from_user(&blocked, &frame->sf_mask, sizeof(blocked)))
@@ -581,7 +601,7 @@ badframe:
int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set)
{
- struct sigframe __user *frame;
+ struct sigframe32 __user *frame;
int err = 0;
frame = get_sigframe(ka, regs, sizeof(*frame));
-
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