1970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#ifndef _ASM_UML_STACKTRACE_H 2970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#define _ASM_UML_STACKTRACE_H 3970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 4970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#include <linux/uaccess.h> 5970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#include <linux/ptrace.h> 6970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 7970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterstruct stack_frame { 8970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter struct stack_frame *next_frame; 9970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter unsigned long return_address; 10970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter}; 11970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 12970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterstruct stacktrace_ops { 13970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter void (*address)(void *data, unsigned long address, int reliable); 14970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter}; 15970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 16970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#ifdef CONFIG_FRAME_POINTER 17970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterstatic inline unsigned long 18970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterget_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) 19970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter{ 20970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter if (!task || task == current) 21970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter return segv_regs ? PT_REGS_BP(segv_regs) : current_bp(); 22970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter return KSTK_EBP(task); 23970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter} 24970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#else 25970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterstatic inline unsigned long 26970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterget_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs) 27970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter{ 28970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter return 0; 29970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter} 30970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#endif 31970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 32970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walterstatic inline unsigned long 33970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter*get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs) 34970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter{ 35970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter if (!task || task == current) 36970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp(); 37970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter return (unsigned long *)KSTK_ESP(task); 38970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter} 39970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 40970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Waltervoid dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data); 41970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter 42970e51feaddbc33ed0e7d187af7f69d1a12c7b6aDaniel Walter#endif /* _ASM_UML_STACKTRACE_H */ 43