kernel/arch/um/include/asm/stacktrace.h
sevki c9e1dba412 chore(ci): setup github actions and workflows
setup CI/CD for kernel development
- added CodeQL for code scanning
- every pr is built as an image and is available for
  30days on https://oklinux.dev
- tagged and released on github for now

Signed-off-by: sevki <s@sevki.io>
2024-03-15 21:46:24 +00:00

43 lines
1.1 KiB
C

/* 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 */