drgn/libdrgn/helpers.h
Omar Sandoval a4b9d68a8c Use GPL-3.0-or-later license identifier instead of GPL-3.0+
Apparently the latter is deprecated and the former is preferred.

Signed-off-by: Omar Sandoval <osandov@osandov.com>
2021-04-03 01:10:35 -07:00

47 lines
1.2 KiB
C

// Copyright (c) Facebook, Inc. and its affiliates.
// SPDX-License-Identifier: GPL-3.0-or-later
/**
* @file
*
* Helpers implemented in C.
*
* Most drgn helpers are implemented in Python. However, there are a few that we
* need internally in libdrgn, so they are implemented in C, instead.
*/
#ifndef DRGN_HELPERS_H
#define DRGN_HELPERS_H
#include <stddef.h>
#include <stdint.h>
struct drgn_object;
struct drgn_program;
struct drgn_error *linux_helper_read_vm(struct drgn_program *prog,
uint64_t pgtable, uint64_t virt_addr,
void *buf, size_t count);
struct drgn_error *
linux_helper_radix_tree_lookup(struct drgn_object *res,
const struct drgn_object *root, uint64_t index);
struct drgn_error *linux_helper_idr_find(struct drgn_object *res,
const struct drgn_object *idr,
uint64_t id);
struct drgn_error *linux_helper_find_pid(struct drgn_object *res,
const struct drgn_object *ns,
uint64_t pid);
struct drgn_error *linux_helper_pid_task(struct drgn_object *res,
const struct drgn_object *pid,
uint64_t pid_type);
struct drgn_error *linux_helper_find_task(struct drgn_object *res,
const struct drgn_object *ns,
uint64_t pid);
#endif /* DRGN_HELPERS_H */