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Diffstat (limited to 'arch/openrisc/include/asm/ptrace.h')
| -rw-r--r-- | arch/openrisc/include/asm/ptrace.h | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h deleted file mode 100644 index 6608d8a6ea..0000000000 --- a/arch/openrisc/include/asm/ptrace.h +++ /dev/null @@ -1,128 +0,0 @@ -/* - * OpenRISC Linux - * - * Linux architectural port borrowing liberally from similar works of - * others. All original copyrights apply as per the original source - * declaration. - * - * OpenRISC implementation: - * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com> - * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se> - * et al. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#ifndef __ASM_OPENRISC_PTRACE_H -#define __ASM_OPENRISC_PTRACE_H - -#include <asm/spr-defs.h> - -#ifndef __ASSEMBLY__ -/* - * This is the layout of the regset returned by the GETREGSET ptrace call - */ -struct user_regs_struct { - /* GPR R0-R31... */ - unsigned long gpr[32]; - unsigned long pc; - unsigned long sr; - unsigned long pad1; - unsigned long pad2; -}; -#endif - -#ifdef __KERNEL__ - -/* - * Make kernel PTrace/register structures opaque to userspace... userspace can - * access thread state via the regset mechanism. This allows us a bit of - * flexibility in how we order the registers on the stack, permitting some - * optimizations like packing call-clobbered registers together so that - * they share a cacheline (not done yet, though... future optimization). - */ - -#ifndef __ASSEMBLY__ -/* - * This struct describes how the registers are laid out on the kernel stack - * during a syscall or other kernel entry. - * - * This structure should always be cacheline aligned on the stack. - * FIXME: I don't think that's the case right now. The alignment is - * taken care of elsewhere... head.S, process.c, etc. - */ - -struct pt_regs { - union { - struct { - /* Named registers */ - long sr; /* Stored in place of r0 */ - long sp; /* r1 */ - }; - struct { - /* Old style */ - long offset[2]; - long gprs[30]; - }; - struct { - /* New style */ - long gpr[32]; - }; - }; - long pc; - long orig_gpr11; /* For restarting system calls */ - long syscallno; /* Syscall number (used by strace) */ - long dummy; /* Cheap alignment fix */ -}; -#endif /* __ASSEMBLY__ */ - -/* TODO: Rename this to REDZONE because that's what it is */ -#define STACK_FRAME_OVERHEAD 128 /* size of minimum stack frame */ - -#define instruction_pointer(regs) ((regs)->pc) -#define user_mode(regs) (((regs)->sr & SPR_SR_SM) == 0) -#define user_stack_pointer(regs) ((unsigned long)(regs)->sp) -#define profile_pc(regs) instruction_pointer(regs) - -/* - * Offsets used by 'ptrace' system call interface. - */ -#define PT_SR 0 -#define PT_SP 4 -#define PT_GPR2 8 -#define PT_GPR3 12 -#define PT_GPR4 16 -#define PT_GPR5 20 -#define PT_GPR6 24 -#define PT_GPR7 28 -#define PT_GPR8 32 -#define PT_GPR9 36 -#define PT_GPR10 40 -#define PT_GPR11 44 -#define PT_GPR12 48 -#define PT_GPR13 52 -#define PT_GPR14 56 -#define PT_GPR15 60 -#define PT_GPR16 64 -#define PT_GPR17 68 -#define PT_GPR18 72 -#define PT_GPR19 76 -#define PT_GPR20 80 -#define PT_GPR21 84 -#define PT_GPR22 88 -#define PT_GPR23 92 -#define PT_GPR24 96 -#define PT_GPR25 100 -#define PT_GPR26 104 -#define PT_GPR27 108 -#define PT_GPR28 112 -#define PT_GPR29 116 -#define PT_GPR30 120 -#define PT_GPR31 124 -#define PT_PC 128 -#define PT_ORIG_GPR11 132 -#define PT_SYSCALLNO 136 - -#endif /* __KERNEL__ */ - -#endif /* __ASM_OPENRISC_PTRACE_H */ |