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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sparc/include/asm/ptrace.h

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/* SPDX-License-Identifier: GPL-2.0 / #ifndef __SPARC_PTRACE_H #define __SPARC_PTRACE_H #include <uapi/asm/ptrace.h> #if defined(__sparc__) && defined(__arch64__) #ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <linux/threads.h> #include <asm/switch_to.h> static inline int pt_regs_trap_type(struct pt_regs regs) { return regs->magic & 0x1ff; } static inline bool pt_regs_is_syscall(struct pt_regs regs) { return (regs->tstate & TSTATE_SYSCALL); } static inline bool pt_regs_clear_syscall(struct pt_regs regs) { return (regs->tstate &= ~TSTATE_SYSCALL); } #define arch_ptrace_stop_needed(exit_code, info) \ ({ flush_user_windows(); \ get_thread_wsaved() != 0; \ }) #define arch_ptrace_stop(exit_code, info) \ synchronize_user_stack() #define current_pt_regs() \ ((struct pt_regs )((unsigned long)current_thread_info() + THREAD_SIZE) - 1) struct global_reg_snapshot { unsigned long tstate; unsigned long tpc; unsigned long tnpc; unsigned long o7; unsigned long i7; unsigned long rpc; struct thread_info thread; unsigned long pad1; }; struct global_pmu_snapshot { unsigned long pcr[4]; unsigned long pic[4]; }; union global_cpu_snapshot { struct global_reg_snapshot reg; struct global_pmu_snapshot pmu; }; extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS]; #define force_successful_syscall_return() set_thread_noerror(1) #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) #define instruction_pointer(regs) ((regs)->tpc) #define instruction_pointer_set(regs, val) do { \ (regs)->tpc = (val); \ (regs)->tnpc = (val)+4; \ } while (0) #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) static inline int is_syscall_success(struct pt_regs regs) { return !(regs->tstate & (TSTATE_XCARRY \| TSTATE_ICARRY)); } static inline long regs_return_value(struct pt_regs regs) { return regs->u_regs[UREG_I0]; } #ifdef CONFIG_SMP unsigned long profile_pc(struct pt_regs ); #else #define profile_pc(regs) instruction_pointer(regs) #endif #define MAX_REG_OFFSET (offsetof(struct pt_regs, magic)) int regs_query_register_offset(const char name); unsigned long regs_get_kernel_stack_nth(struct pt_regs regs, unsigned int n); /* * regs_get_register() - get register value from its offset * @regs: pt_regs from which register value is gotten * @offset: offset number of the register. * * regs_get_register returns the value of a register whose * offset from @regs. The @offset is the offset of the register * in struct pt_regs. If @offset is bigger than MAX_REG_OFFSET, * this returns 0. / static inline unsigned long regs_get_register(struct pt_regs regs, unsigned long offset) { if (unlikely(offset >= MAX_REG_OFFSET)) return 0; if (offset == PT_V9_Y) return (unsigned int )((unsigned long)regs + offset); return (unsigned long )((unsigned long)regs + offset); } /* Valid only for Kernel mode traps. / static inline unsigned long kernel_stack_pointer(struct pt_regs regs) { return regs->u_regs[UREG_I6]; } #else /* __ASSEMBLY__ / #endif / __ASSEMBLY__ / #else / (defined(__sparc__) && defined(__arch64__)) / #ifndef __ASSEMBLY__ #include <asm/switch_to.h> static inline bool pt_regs_is_syscall(struct pt_regs regs) { return (regs->psr & PSR_SYSCALL); } static inline bool pt_regs_clear_syscall(struct pt_regs regs) { return (regs->psr &= ~PSR_SYSCALL); } #define arch_ptrace_stop_needed(exit_code, info) \ ({ flush_user_windows(); \ current_thread_info()->w_saved != 0; \ }) #define arch_ptrace_stop(exit_code, info) \ synchronize_user_stack() #define current_pt_regs() \ ((struct pt_regs )((unsigned long)current_thread_info() + THREAD_SIZE) - 1) #define user_mode(regs) (!((regs)->psr & PSR_PS)) #define instruction_pointer(regs) ((regs)->pc) #define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) unsigned long profile_pc(struct pt_regs ); #else / (!__ASSEMBLY__) / #endif / (!__ASSEMBLY__) / #endif / (defined(__sparc__) && defined(__arch64__)) / #define STACK_BIAS 2047 / global_reg_snapshot offsets / #define GR_SNAP_TSTATE 0x00 #define GR_SNAP_TPC 0x08 #define GR_SNAP_TNPC 0x10 #define GR_SNAP_O7 0x18 #define GR_SNAP_I7 0x20 #define GR_SNAP_RPC 0x28 #define GR_SNAP_THREAD 0x30 #define GR_SNAP_PAD1 0x38 #endif / !(__SPARC_PTRACE_H) */

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