/* * 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 _ASM_TILE_PTRACE_H #define _ASM_TILE_PTRACE_H #include <linux/compiler.h> #ifndef __ASSEMBLY__ /* Benefit from consistent use of "long" on all chips. */ typedef unsigned long pt_reg_t; #endif #include <uapi/asm/ptrace.h> #define PTRACE_O_MASK_TILE (PTRACE_O_TRACEMIGRATE) #define PT_TRACE_MIGRATE PT_EVENT_FLAG(PTRACE_EVENT_MIGRATE) /* Flag bits in pt_regs.flags */ #define PT_FLAGS_DISABLE_IRQ 1 /* on return to kernel, disable irqs */ #define PT_FLAGS_CALLER_SAVES 2 /* caller-save registers are valid */ #define PT_FLAGS_RESTORE_REGS 4 /* restore callee-save regs on return */ #ifndef __ASSEMBLY__ #define regs_return_value(regs) ((regs)->regs[0]) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) #define user_stack_pointer(regs) ((regs)->sp) /* Does the process account for user or for system time? */ #define user_mode(regs) (EX1_PL((regs)->ex1) < KERNEL_PL) /* Fill in a struct pt_regs with the current kernel registers. */ struct pt_regs *get_pt_regs(struct pt_regs *); /* Trace the current syscall. */ extern int do_syscall_trace_enter(struct pt_regs *regs); extern void do_syscall_trace_exit(struct pt_regs *regs); #define arch_has_single_step() (1) /* * A structure for all single-stepper state. * * Also update defines in assembler section if it changes */ struct single_step_state { /* the page to which we will write hacked-up bundles */ void __user *buffer; union { int flags; struct { unsigned long is_enabled:1, update:1, update_reg:6; }; }; unsigned long orig_pc; /* the original PC */ unsigned long next_pc; /* return PC if no branch (PC + 1) */ unsigned long branch_next_pc; /* return PC if we did branch/jump */ unsigned long update_value; /* value to restore to update_target */ }; /* Single-step the instruction at regs->pc */ extern void single_step_once(struct pt_regs *regs); /* Clean up after execve(). */ extern void single_step_execve(void); struct task_struct; extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs); #ifdef __tilegx__ /* We need this since sigval_t has a user pointer in it, for GETSIGINFO etc. */ #define __ARCH_WANT_COMPAT_SYS_PTRACE #endif #endif /* !__ASSEMBLY__ */ #define SINGLESTEP_STATE_MASK_IS_ENABLED 0x1 #define SINGLESTEP_STATE_MASK_UPDATE 0x2 #define SINGLESTEP_STATE_TARGET_LB 2 #define SINGLESTEP_STATE_TARGET_UB 7 #endif /* _ASM_TILE_PTRACE_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Metcalf | 216 | 86.75% | 6 | 60.00% |
| Simon Marchi | 15 | 6.02% | 1 | 10.00% |
| Al Viro | 7 | 2.81% | 1 | 10.00% |
| Tony Lu | 7 | 2.81% | 1 | 10.00% |
| David Howells | 4 | 1.61% | 1 | 10.00% |
| Total | 249 | 100.00% | 10 | 100.00% |