diff options
Diffstat (limited to 'arch/nds32/include/asm/ptrace.h')
| -rw-r--r-- | arch/nds32/include/asm/ptrace.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h new file mode 100644 index 0000000000..4336083ea8 --- /dev/null +++ b/arch/nds32/include/asm/ptrace.h @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __ASM_NDS_PTRACE_H +#define __ASM_NDS_PTRACE_H + +#define USR_MODE 0x00 +#define SU_MODE 0x01 +#define HV_MODE 0x10 +#define MODE_MASK (0x03<<3) +#define GIE_BIT 0x01 + +#ifndef __ASSEMBLY__ + +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +#define NDS32_REG long + +struct pt_regs { + NDS32_REG ir0; + NDS32_REG ipsw; + NDS32_REG ipc; + NDS32_REG sp; + NDS32_REG orig_r0; + NDS32_REG pipsw; + NDS32_REG pipc; + NDS32_REG pp0; + NDS32_REG pp1; + NDS32_REG d0hi; + NDS32_REG d0lo; + NDS32_REG d1hi; + NDS32_REG d1lo; + NDS32_REG r[26]; /* r0 - r25 */ + NDS32_REG fp; /* r28 */ + NDS32_REG gp; /* r29 */ + NDS32_REG lp; /* r30 */ + NDS32_REG fucop_ctl; + NDS32_REG osp; +}; + +#define processor_mode(regs) \ + (((regs)->ipsw & MODE_MASK) >> 3) + +#define interrupts_enabled(regs) \ + ((regs)->ipsw & GIE_BIT) + +/* + * Offsets used by 'ptrace' system call interface. + * These can't be changed without breaking binary compatibility + * with MkLinux, etc. + */ +#define PT_R0 0 +#define PT_R1 1 +#define PT_R2 2 +#define PT_R3 3 +#define PT_R4 4 +#define PT_R5 5 +#define PT_R6 6 +#define PT_R7 7 +#define PT_R8 8 +#define PT_R9 9 +#define PT_R10 10 +#define PT_R11 11 +#define PT_R12 12 +#define PT_R13 13 +#define PT_R14 14 +#define PT_R15 15 +#define PT_R16 16 +#define PT_R17 17 +#define PT_R18 18 +#define PT_R19 19 +#define PT_R20 20 +#define PT_R21 21 +#define PT_R22 22 +#define PT_R23 23 +#define PT_R24 24 +#define PT_R25 25 + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_NDS_PTRACE_H */ |