diff options
Diffstat (limited to 'include/asm-microblaze/ptrace.h')
| -rw-r--r-- | include/asm-microblaze/ptrace.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/include/asm-microblaze/ptrace.h b/include/asm-microblaze/ptrace.h deleted file mode 100644 index b796d4f..0000000 --- a/include/asm-microblaze/ptrace.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * include/asm-microblaze/ptrace.h -- Access to CPU registers - * - * Copyright (C) 2003 John Williams <jwilliams@itee.uq.edu.au> - * Copyright (C) 2001,2002 NEC Corporation - * Copyright (C) 2001,2002 Miles Bader <miles@gnu.org> - * - * This file is subject to the terms and conditions of the GNU General - * Public License. See the file COPYING in the main directory of this - * archive for more details. - * - * Written by Miles Bader <miles@gnu.org> - * Microblaze port by John Williams - */ - -#ifndef __MICROBLAZE_PTRACE_H__ -#define __MICROBLAZE_PTRACE_H__ - - -/* Microblaze general purpose registers with special meanings. */ -#define GPR_ZERO 0 /* constant zero */ -#define GPR_ASM 18 /* reserved for assembler */ -#define GPR_SP 1 /* stack pointer */ -#define GPR_GP 2 /* global data pointer */ -#define GPR_EP 30 /* `element pointer' */ -#define GPR_LP 15 /* link pointer (current return address) */ - -/* These aren't official names, but they make some code more descriptive. */ -#define GPR_ARG0 5 -#define GPR_ARG1 6 -#define GPR_ARG2 7 -#define GPR_ARG3 8 -#define GPR_ARG4 9 -#define GPR_ARG5 10 -#define GPR_RVAL0 3 -#define GPR_RVAL1 4 -#define GPR_RVAL GPR_RVAL0 - -#define NUM_GPRS 32 - -/* `system' registers. */ -/* Note these are old v850 values, microblaze has many fewer */ -#define SR_EIPC 0 -#define SR_EIPSW 1 -#define SR_FEPC 2 -#define SR_FEPSW 3 -#define SR_ECR 4 -#define SR_PSW 5 -#define SR_CTPC 16 -#define SR_CTPSW 17 -#define SR_DBPC 18 -#define SR_DBPSW 19 -#define SR_CTBP 20 -#define SR_DIR 21 -#define SR_ASID 23 - - -#ifndef __ASSEMBLY__ - -typedef unsigned long microblaze_reg_t; - -/* How processor state is stored on the stack during a syscall/signal. - If you change this structure, change the associated assembly-language - macros below too (PT_*)! */ -struct pt_regs -{ - /* General purpose registers. */ - microblaze_reg_t gpr[NUM_GPRS]; - - microblaze_reg_t pc; /* program counter */ - microblaze_reg_t psw; /* program status word */ - - microblaze_reg_t kernel_mode; /* 1 if in `kernel mode', 0 if user mode */ - microblaze_reg_t single_step; /* 1 if in single step mode */ -}; - - -#define instruction_pointer(regs) ((regs)->pc) -#define user_mode(regs) (!(regs)->kernel_mode) - -/* When a struct pt_regs is used to save user state for a system call in - the kernel, the system call is stored in the space for R0 (since it's - never used otherwise, R0 being a constant 0). Non-system-calls - simply store 0 there. */ -#define PT_REGS_SYSCALL(regs) (regs)->gpr[0] -#define PT_REGS_SET_SYSCALL(regs, val) ((regs)->gpr[0] = (val)) - -#endif /* !__ASSEMBLY__ */ - - -/* The number of bytes used to store each register. */ -#define _PT_REG_SIZE 4 - -/* Offset of a general purpose register in a stuct pt_regs. */ -#define PT_GPR(num) ((num) * _PT_REG_SIZE) - -/* Offsets of various special registers & fields in a struct pt_regs. */ -#define NUM_SPECIAL 4 -#define PT_PC ((NUM_GPRS + 0) * _PT_REG_SIZE) -#define PT_PSW ((NUM_GPRS + 1) * _PT_REG_SIZE) -#define PT_KERNEL_MODE ((NUM_GPRS + 2) * _PT_REG_SIZE) -#define PT_SINGLESTEP ((NUM_GPRS + 3) * _PT_REG_SIZE) - -#define PT_SYSCALL PT_GPR(0) - -/* Size of struct pt_regs, including alignment. */ -#define PT_SIZE ((NUM_GPRS + NUM_SPECIAL) * _PT_REG_SIZE) - -/* These are `magic' values for PTRACE_PEEKUSR that return info about where - a process is located in memory. */ -#define PT_TEXT_ADDR (PT_SIZE + 1) -#define PT_TEXT_LEN (PT_SIZE + 2) -#define PT_DATA_ADDR (PT_SIZE + 3) -#define PT_DATA_LEN (PT_SIZE + 4) - -#endif /* __MICROBLAZE_PTRACE_H__ */ |