/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright 2010 Tilera Corporation. All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, version 2. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for * more details. */ #ifndef _UAPI_ASM_TILE_PTRACE_H #define _UAPI_ASM_TILE_PTRACE_H #include <arch/chip.h> #include <arch/abi.h> /* These must match struct pt_regs, below. */ #if CHIP_WORD_SIZE() == 32 #define PTREGS_OFFSET_REG(n) ((n)*4) #else #define PTREGS_OFFSET_REG(n) ((n)*8) #endif #define PTREGS_OFFSET_BASE 0 #define PTREGS_OFFSET_TP PTREGS_OFFSET_REG(53) #define PTREGS_OFFSET_SP PTREGS_OFFSET_REG(54) #define PTREGS_OFFSET_LR PTREGS_OFFSET_REG(55) #define PTREGS_NR_GPRS 56 #define PTREGS_OFFSET_PC PTREGS_OFFSET_REG(56) #define PTREGS_OFFSET_EX1 PTREGS_OFFSET_REG(57) #define PTREGS_OFFSET_FAULTNUM PTREGS_OFFSET_REG(58) #define PTREGS_OFFSET_ORIG_R0 PTREGS_OFFSET_REG(59) #define PTREGS_OFFSET_FLAGS PTREGS_OFFSET_REG(60) #if CHIP_HAS_CMPEXCH() #define PTREGS_OFFSET_CMPEXCH PTREGS_OFFSET_REG(61) #endif #define PTREGS_SIZE PTREGS_OFFSET_REG(64) #ifndef __ASSEMBLY__ #ifndef __KERNEL__ /* Provide appropriate length type to userspace regardless of -m32/-m64. */ typedef uint_reg_t pt_reg_t; #endif /* * This struct defines the way the registers are stored on the stack during a * system call or exception. "struct sigcontext" has the same shape. */ struct pt_regs { union { /* Saved main processor registers; 56..63 are special. */ pt_reg_t regs[56]; struct { pt_reg_t __regs[53]; pt_reg_t tp; /* aliases regs[TREG_TP] */ pt_reg_t sp; /* aliases regs[TREG_SP] */ pt_reg_t lr; /* aliases regs[TREG_LR] */ }; }; /* Saved special registers. */ pt_reg_t pc; /* stored in EX_CONTEXT_K_0 */ pt_reg_t ex1; /* stored in EX_CONTEXT_K_1 (PL and ICS bit) */ pt_reg_t faultnum; /* fault number (INT_SWINT_1 for syscall) */ pt_reg_t orig_r0; /* r0 at syscall entry, else zero */ pt_reg_t flags; /* flags (see below) */ #if !CHIP_HAS_CMPEXCH() pt_reg_t pad[3]; #else pt_reg_t cmpexch; /* value of CMPEXCH_VALUE SPR at interrupt */ pt_reg_t pad[2]; #endif }; #endif /* __ASSEMBLY__ */ #define PTRACE_GETREGS 12 #define PTRACE_SETREGS 13 #define PTRACE_GETFPREGS 14 #define PTRACE_SETFPREGS 15 /* Support TILE-specific ptrace options, with events starting at 16. */ #define PTRACE_EVENT_MIGRATE 16 #define PTRACE_O_TRACEMIGRATE (1 << PTRACE_EVENT_MIGRATE) /* * Flag bits in pt_regs.flags that are part of the ptrace API. * We start our numbering higher up to avoid confusion with the * non-ABI kernel-internal values that use the low 16 bits. */ #define PT_FLAGS_COMPAT 0x10000 /* process is an -m32 compat process */ #endif /* _UAPI_ASM_TILE_PTRACE_H */Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
David Howells | 203 | 89.04% | 1 | 20.00% |
Chris Metcalf | 24 | 10.53% | 3 | 60.00% |
Greg Kroah-Hartman | 1 | 0.44% | 1 | 20.00% |
Total | 228 | 100.00% | 5 | 100.00% |