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nexedi
linux
Commits
dd02f06a
Commit
dd02f06a
authored
Feb 13, 2007
by
Ralf Baechle
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[MIPS] signal: Fix warnings in o32 compat code.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
af3d10d5
Changes
1
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1 changed file
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23 additions
and
3 deletions
+23
-3
arch/mips/kernel/signal32.c
arch/mips/kernel/signal32.c
+23
-3
No files found.
arch/mips/kernel/signal32.c
View file @
dd02f06a
...
...
@@ -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
sigframe
32
__user
*
frame
;
sigset_t
blocked
;
frame
=
(
struct
sigframe
__user
*
)
regs
.
regs
[
29
];
frame
=
(
struct
sigframe
32
__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 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
int
setup_frame_32
(
struct
k_sigaction
*
ka
,
struct
pt_regs
*
regs
,
int
signr
,
sigset_t
*
set
)
{
struct
sigframe
__user
*
frame
;
struct
sigframe
32
__user
*
frame
;
int
err
=
0
;
frame
=
get_sigframe
(
ka
,
regs
,
sizeof
(
*
frame
));
...
...
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