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| author | Jamie Iles <jamie.iles@picochip.com> | 2010-01-06 10:50:08 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-01-08 16:14:21 +0000 |
| commit | 092a4e957a835cbf6b2ec82a6a4d6ff06c0a362e (patch) | |
| tree | c22d005f4268be3553029ae258a68d910e62c28e /arch/arm | |
| parent | 8784895ede9a39cfecf76fe26b090a602877f70f (diff) | |
| download | linux-092a4e957a835cbf6b2ec82a6a4d6ff06c0a362e.tar.gz linux-092a4e957a835cbf6b2ec82a6a4d6ff06c0a362e.tar.xz | |
ARM: 5866/1: arm ptrace: use unsigned types for kernel pt_regs
Make registers unsigned for kernel space. This is important for
example in the perf events where the PC is stored into a u64. We
don't want it sign extended so make the regs unsigned to prevent
casts throughout the kernel.
Signed-off-by: Jamie Iles <jamie.iles@picochip.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/ptrace.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index bbecccda76d0..eec6e897ceb2 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -97,9 +97,15 @@ * stack during a system call. Note that sizeof(struct pt_regs) * has to be a multiple of 8. */ +#ifndef __KERNEL__ struct pt_regs { long uregs[18]; }; +#else /* __KERNEL__ */ +struct pt_regs { + unsigned long uregs[18]; +}; +#endif /* __KERNEL__ */ #define ARM_cpsr uregs[16] #define ARM_pc uregs[15] |