/* SPDX-License-Identifier: GPL-2.0 */#ifndef _ASM_UML_STACKTRACE_H#define _ASM_UML_STACKTRACE_H #include <linux/uaccess.h>#include <linux/ptrace.h> struct stack_frame { struct stack_frame *next_frame; unsigned long return_address;}; struct stacktrace_ops { void (*address)(void *data, unsigned long address, int reliable);}; #ifdef CONFIG_FRAME_POINTERstatic inline unsigned longget_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs){ if (!task || task == current) return segv_regs ? PT_REGS_BP(segv_regs) : current_bp(); return KSTK_EBP(task);}#elsestatic inline unsigned longget_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs){ return 0;}#endif static inline unsigned long*get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs){ if (!task || task == current) return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp(); return (unsigned long *)KSTK_ESP(task);} void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data); #endif /* _ASM_UML_STACKTRACE_H */
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UML_STACKTRACE_H
#define _ASM_UML_STACKTRACE_H
#include <linux/uaccess.h>
#include <linux/ptrace.h>
struct stack_frame {
struct stack_frame *next_frame;
unsigned long return_address;
};
struct stacktrace_ops {
void (*address)(void *data, unsigned long address, int reliable);
};
#ifdef CONFIG_FRAME_POINTER
static inline unsigned long
get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
{
if (!task || task == current)
return segv_regs ? PT_REGS_BP(segv_regs) : current_bp();
return KSTK_EBP(task);
}
#else
static inline unsigned long
get_frame_pointer(struct task_struct *task, struct pt_regs *segv_regs)
{
return 0;
}
#endif
static inline unsigned long
*get_stack_pointer(struct task_struct *task, struct pt_regs *segv_regs)
{
if (!task || task == current)
return segv_regs ? (unsigned long *)PT_REGS_SP(segv_regs) : current_sp();
return (unsigned long *)KSTK_ESP(task);
}
void dump_trace(struct task_struct *tsk, const struct stacktrace_ops *ops, void *data);
#endif /* _ASM_UML_STACKTRACE_H */