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author | Paul Mundt <lethal@linux-sh.org> | 2010-06-14 07:02:47 (GMT) |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-06-14 07:02:47 (GMT) |
commit | da28c597996a964a195529595c37f7aacd6dad09 (patch) | |
tree | fc16249697efb5bc9bb1863fb02c40b902b2dd7c /arch/sh/include/asm/ptrace_32.h | |
parent | eaaaeef392cb245e415c31d480ed2d5a466fd88f (diff) | |
download | linux-fsl-qoriq-da28c597996a964a195529595c37f7aacd6dad09.tar.xz |
sh: split out ptrace header for _32/_64 variants.
asm/ptrace.h is getting a bit messy, with the _32/_64-specific changes
being fairly insular. This splits out the header accordingly.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/ptrace_32.h')
-rw-r--r-- | arch/sh/include/asm/ptrace_32.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/sh/include/asm/ptrace_32.h b/arch/sh/include/asm/ptrace_32.h new file mode 100644 index 0000000..35d9e25 --- /dev/null +++ b/arch/sh/include/asm/ptrace_32.h @@ -0,0 +1,83 @@ +#ifndef __ASM_SH_PTRACE_32_H +#define __ASM_SH_PTRACE_32_H + +/* + * GCC defines register number like this: + * ----------------------------- + * 0 - 15 are integer registers + * 17 - 22 are control/special registers + * 24 - 39 fp registers + * 40 - 47 xd registers + * 48 - fpscr register + * ----------------------------- + * + * We follows above, except: + * 16 --- program counter (PC) + * 22 --- syscall # + * 23 --- floating point communication register + */ +#define REG_REG0 0 +#define REG_REG15 15 + +#define REG_PC 16 + +#define REG_PR 17 +#define REG_SR 18 +#define REG_GBR 19 +#define REG_MACH 20 +#define REG_MACL 21 + +#define REG_SYSCALL 22 + +#define REG_FPREG0 23 +#define REG_FPREG15 38 +#define REG_XFREG0 39 +#define REG_XFREG15 54 + +#define REG_FPSCR 55 +#define REG_FPUL 56 + +/* + * This struct defines the way the registers are stored on the + * kernel stack during a system call or other kernel entry. + */ +struct pt_regs { + unsigned long regs[16]; + unsigned long pc; + unsigned long pr; + unsigned long sr; + unsigned long gbr; + unsigned long mach; + unsigned long macl; + long tra; +}; + +/* + * This struct defines the way the DSP registers are stored on the + * kernel stack during a system call or other kernel entry. + */ +struct pt_dspregs { + unsigned long a1; + unsigned long a0g; + unsigned long a1g; + unsigned long m0; + unsigned long m1; + unsigned long a0; + unsigned long x0; + unsigned long x1; + unsigned long y0; + unsigned long y1; + unsigned long dsr; + unsigned long rs; + unsigned long re; + unsigned long mod; +}; + +#ifdef __KERNEL__ + +#define MAX_REG_OFFSET offsetof(struct pt_regs, tra) +#define regs_return_value(regs) ((regs)->regs[0]) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH_PTRACE_32_H */ |