tegrakernel/kernel/nvidia/drivers/misc/tegra-profiler/eh_unwind.h

89 lines
2.1 KiB
C

/*
* drivers/misc/tegra-profiler/eh_unwind.h
*
* Copyright (c) 2015-2018, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#ifndef __QUADD_EH_UNWIND_H__
#define __QUADD_EH_UNWIND_H__
#include <linux/tegra_profiler.h>
struct quadd_callchain;
struct quadd_ctx;
struct task_struct;
struct quadd_mmap_area;
struct quadd_event_context;
struct extab_info {
unsigned long addr;
unsigned long length;
unsigned long mmap_offset;
unsigned long tf_start;
unsigned long tf_end;
};
struct file_ex_region_info {
struct extab_info ex_sec[QUADD_SEC_TYPE_MAX];
u32 file_hash;
unsigned int is_shared:1;
};
struct ex_region_info {
unsigned long vm_start;
unsigned long vm_end;
struct quadd_mmap_area *mmap;
u32 file_hash;
};
unsigned int
quadd_get_user_cc_arm32_ehabi(struct quadd_event_context *event_ctx,
struct quadd_callchain *cc);
int quadd_unwind_init(struct quadd_ctx *quadd_ctx);
void quadd_unwind_deinit(void);
int quadd_unwind_start(struct task_struct *task);
void quadd_unwind_stop(void);
int quadd_unwind_set_extab(struct quadd_sections *extabs,
struct quadd_mmap_area *mmap);
void quadd_unwind_clean_mmap(struct quadd_mmap_area *mmap);
int
quadd_is_ex_entry_exist_arm32_ehabi(struct quadd_event_context *event_ctx,
unsigned long addr);
void
quadd_unwind_set_tail_info(struct ex_region_info *ri,
int secid,
unsigned long tf_start,
unsigned long tf_end,
struct task_struct *task);
long
quadd_get_dw_frames(unsigned long key, struct ex_region_info *ri,
struct task_struct *task);
void quadd_put_dw_frames(struct ex_region_info *ri);
unsigned long
get_ex_sec_address(struct ex_region_info *ri,
struct extab_info *ti, int secid);
#endif /* __QUADD_EH_UNWIND_H__ */