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kernel: Reformat code using clang-format (#347)

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* The coding format is too messy, reformat to improve readability
  and get closer to Linux kernel coding style.

* While at it, update .clang-format file to linux-mainline state.
This commit is contained in:
Helium_Studio
2025-08-22 14:02:20 +08:00
committed by GitHub
parent fe472057b1
commit ce58519e66
31 changed files with 1542 additions and 1131 deletions
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337
kernel/kpm/super_access.c
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@@ -13,7 +13,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/rcupdate.h>
#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
#include <asm/elf.h> /* 包含 ARM64 重定位类型定义 */
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include <linux/string.h>
@@ -31,38 +31,37 @@
// 结构体成员元数据
struct DynamicStructMember {
const char* name;
size_t size;
size_t offset;
const char *name;
size_t size;
size_t offset;
};
// 结构体元数据（包含总大小）
struct DynamicStructInfo {
const char* name;
size_t count;
size_t total_size;
struct DynamicStructMember* members;
const char *name;
size_t count;
size_t total_size;
struct DynamicStructMember *members;
};
// 定义结构体元数据的宏（直接使用 struct 名称）
#define DYNAMIC_STRUCT_BEGIN(struct_name) \
static struct DynamicStructMember struct_name##_members[] = {
static struct DynamicStructMember struct_name##_members[] = {
#define DEFINE_MEMBER(struct_name, member) \
{ .name = #member, \
.size = sizeof(((struct struct_name *)0)->member), \
.offset = offsetof(struct struct_name, member) },
#define DEFINE_MEMBER(struct_name, member) \
{ \
.name = #member, \
.size = sizeof(((struct struct_name*)0)->member), \
.offset = offsetof(struct struct_name, member) \
},
#define DYNAMIC_STRUCT_END(struct_name) \
}; \
static struct DynamicStructInfo struct_name##_info = { \
.name = #struct_name, \
.count = sizeof(struct_name##_members) / sizeof(struct DynamicStructMember), \
.total_size = sizeof(struct struct_name), \
.members = struct_name##_members \
};
#define DYNAMIC_STRUCT_END(struct_name) \
} \
; \
static struct DynamicStructInfo struct_name##_info = { \
.name = #struct_name, \
.count = sizeof(struct_name##_members) / \
sizeof(struct DynamicStructMember), \
.total_size = sizeof(struct struct_name), \
.members = struct_name##_members \
};
// ==================================================================================
@@ -76,28 +75,28 @@ struct DynamicStructInfo {
// 定义元数据
DYNAMIC_STRUCT_BEGIN(mount)
DEFINE_MEMBER(mount, mnt_parent)
DEFINE_MEMBER(mount, mnt)
DEFINE_MEMBER(mount, mnt_id)
DEFINE_MEMBER(mount, mnt_group_id)
DEFINE_MEMBER(mount, mnt_expiry_mark)
DEFINE_MEMBER(mount, mnt_master)
DEFINE_MEMBER(mount, mnt_devname)
DEFINE_MEMBER(mount, mnt_parent)
DEFINE_MEMBER(mount, mnt)
DEFINE_MEMBER(mount, mnt_id)
DEFINE_MEMBER(mount, mnt_group_id)
DEFINE_MEMBER(mount, mnt_expiry_mark)
DEFINE_MEMBER(mount, mnt_master)
DEFINE_MEMBER(mount, mnt_devname)
DYNAMIC_STRUCT_END(mount)
DYNAMIC_STRUCT_BEGIN(vfsmount)
DEFINE_MEMBER(vfsmount, mnt_root)
DEFINE_MEMBER(vfsmount, mnt_sb)
DEFINE_MEMBER(vfsmount, mnt_flags)
DEFINE_MEMBER(vfsmount, mnt_root)
DEFINE_MEMBER(vfsmount, mnt_sb)
DEFINE_MEMBER(vfsmount, mnt_flags)
DYNAMIC_STRUCT_END(vfsmount)
DYNAMIC_STRUCT_BEGIN(mnt_namespace)
DEFINE_MEMBER(mnt_namespace, ns)
DEFINE_MEMBER(mnt_namespace, root)
DEFINE_MEMBER(mnt_namespace, seq)
DEFINE_MEMBER(mnt_namespace, mounts)
DEFINE_MEMBER(mnt_namespace, ns)
DEFINE_MEMBER(mnt_namespace, root)
DEFINE_MEMBER(mnt_namespace, seq)
DEFINE_MEMBER(mnt_namespace, mounts)
#if LINUX_VERSION_CODE < KERNEL_VERSION_5_15
DEFINE_MEMBER(mnt_namespace, count)
DEFINE_MEMBER(mnt_namespace, count)
#endif
DYNAMIC_STRUCT_END(mnt_namespace)
@@ -105,15 +104,15 @@ DYNAMIC_STRUCT_END(mnt_namespace)
#ifdef CONFIG_KPROBES
DYNAMIC_STRUCT_BEGIN(kprobe)
DEFINE_MEMBER(kprobe, addr)
DEFINE_MEMBER(kprobe, symbol_name)
DEFINE_MEMBER(kprobe, offset)
DEFINE_MEMBER(kprobe, pre_handler)
DEFINE_MEMBER(kprobe, post_handler)
DEFINE_MEMBER(kprobe, addr)
DEFINE_MEMBER(kprobe, symbol_name)
DEFINE_MEMBER(kprobe, offset)
DEFINE_MEMBER(kprobe, pre_handler)
DEFINE_MEMBER(kprobe, post_handler)
#if LINUX_VERSION_CODE < KERNEL_VERSION_5_15
DEFINE_MEMBER(kprobe, fault_handler)
DEFINE_MEMBER(kprobe, fault_handler)
#endif
DEFINE_MEMBER(kprobe, flags)
DEFINE_MEMBER(kprobe, flags)
DYNAMIC_STRUCT_END(kprobe)
#endif
@@ -121,76 +120,75 @@ DYNAMIC_STRUCT_END(kprobe)
#include <linux/mm_types.h>
DYNAMIC_STRUCT_BEGIN(vm_area_struct)
DEFINE_MEMBER(vm_area_struct,vm_start)
DEFINE_MEMBER(vm_area_struct,vm_end)
DEFINE_MEMBER(vm_area_struct,vm_flags)
DEFINE_MEMBER(vm_area_struct,anon_vma)
DEFINE_MEMBER(vm_area_struct,vm_pgoff)
DEFINE_MEMBER(vm_area_struct,vm_file)
DEFINE_MEMBER(vm_area_struct,vm_private_data)
#ifdef CONFIG_ANON_VMA_NAME
DEFINE_MEMBER(vm_area_struct, anon_name)
#endif
DEFINE_MEMBER(vm_area_struct, vm_ops)
DEFINE_MEMBER(vm_area_struct, vm_start)
DEFINE_MEMBER(vm_area_struct, vm_end)
DEFINE_MEMBER(vm_area_struct, vm_flags)
DEFINE_MEMBER(vm_area_struct, anon_vma)
DEFINE_MEMBER(vm_area_struct, vm_pgoff)
DEFINE_MEMBER(vm_area_struct, vm_file)
DEFINE_MEMBER(vm_area_struct, vm_private_data)
#ifdef CONFIG_ANON_VMA_NAME
DEFINE_MEMBER(vm_area_struct, anon_name)
#endif
DEFINE_MEMBER(vm_area_struct, vm_ops)
DYNAMIC_STRUCT_END(vm_area_struct)
DYNAMIC_STRUCT_BEGIN(vm_operations_struct)
DEFINE_MEMBER(vm_operations_struct, open)
DEFINE_MEMBER(vm_operations_struct, close)
DEFINE_MEMBER(vm_operations_struct, name)
DEFINE_MEMBER(vm_operations_struct, access)
DEFINE_MEMBER(vm_operations_struct, open)
DEFINE_MEMBER(vm_operations_struct, close)
DEFINE_MEMBER(vm_operations_struct, name)
DEFINE_MEMBER(vm_operations_struct, access)
DYNAMIC_STRUCT_END(vm_operations_struct)
#include <linux/netlink.h>
DYNAMIC_STRUCT_BEGIN(netlink_kernel_cfg)
DEFINE_MEMBER(netlink_kernel_cfg, groups)
DEFINE_MEMBER(netlink_kernel_cfg, flags)
DEFINE_MEMBER(netlink_kernel_cfg, input)
DEFINE_MEMBER(netlink_kernel_cfg, cb_mutex)
DEFINE_MEMBER(netlink_kernel_cfg, bind)
DEFINE_MEMBER(netlink_kernel_cfg, unbind)
DEFINE_MEMBER(netlink_kernel_cfg, groups)
DEFINE_MEMBER(netlink_kernel_cfg, flags)
DEFINE_MEMBER(netlink_kernel_cfg, input)
DEFINE_MEMBER(netlink_kernel_cfg, cb_mutex)
DEFINE_MEMBER(netlink_kernel_cfg, bind)
DEFINE_MEMBER(netlink_kernel_cfg, unbind)
#if LINUX_VERSION_CODE < KERNEL_VERSION_6_1
DEFINE_MEMBER(netlink_kernel_cfg, compare)
DEFINE_MEMBER(netlink_kernel_cfg, compare)
#endif
DYNAMIC_STRUCT_END(netlink_kernel_cfg)
#include <linux/sched.h>
DYNAMIC_STRUCT_BEGIN(task_struct)
DEFINE_MEMBER(task_struct, pid)
DEFINE_MEMBER(task_struct, tgid)
DEFINE_MEMBER(task_struct, cred)
DEFINE_MEMBER(task_struct, real_cred)
DEFINE_MEMBER(task_struct, comm)
DEFINE_MEMBER(task_struct, parent)
DEFINE_MEMBER(task_struct, group_leader)
DEFINE_MEMBER(task_struct, mm)
DEFINE_MEMBER(task_struct, active_mm)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
DEFINE_MEMBER(task_struct, pids[PIDTYPE_PID].pid)
DEFINE_MEMBER(task_struct, pid)
DEFINE_MEMBER(task_struct, tgid)
DEFINE_MEMBER(task_struct, cred)
DEFINE_MEMBER(task_struct, real_cred)
DEFINE_MEMBER(task_struct, comm)
DEFINE_MEMBER(task_struct, parent)
DEFINE_MEMBER(task_struct, group_leader)
DEFINE_MEMBER(task_struct, mm)
DEFINE_MEMBER(task_struct, active_mm)
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 19, 0)
DEFINE_MEMBER(task_struct, pids[PIDTYPE_PID].pid)
#else
DEFINE_MEMBER(task_struct, thread_pid)
DEFINE_MEMBER(task_struct, thread_pid)
#endif
DEFINE_MEMBER(task_struct, files)
DEFINE_MEMBER(task_struct, seccomp)
DEFINE_MEMBER(task_struct, files)
DEFINE_MEMBER(task_struct, seccomp)
#ifdef CONFIG_THREAD_INFO_IN_TASK
DEFINE_MEMBER(task_struct, thread_info)
DEFINE_MEMBER(task_struct, thread_info)
#endif
#ifdef CONFIG_CGROUPS
DEFINE_MEMBER(task_struct, cgroups)
DEFINE_MEMBER(task_struct, cgroups)
#endif
#ifdef CONFIG_SECURITY
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
DEFINE_MEMBER(task_struct, security)
#else
DEFINE_MEMBER(task_struct, cred)
#endif
DEFINE_MEMBER(task_struct, security)
#else
DEFINE_MEMBER(task_struct, cred)
#endif
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 9, 0))
DEFINE_MEMBER(task_struct, thread)
#else
DEFINE_MEMBER(task_struct, thread_info)
DEFINE_MEMBER(task_struct, thread)
#else
DEFINE_MEMBER(task_struct, thread_info)
#endif
DYNAMIC_STRUCT_END(task_struct)
@@ -198,38 +196,37 @@ DYNAMIC_STRUCT_END(task_struct)
#define STRUCT_INFO(name) &(name##_info)
static
struct DynamicStructInfo* dynamic_struct_infos[] = {
STRUCT_INFO(mount),
STRUCT_INFO(vfsmount),
STRUCT_INFO(mnt_namespace),
#ifdef CONFIG_KPROBES
STRUCT_INFO(kprobe),
#endif
STRUCT_INFO(vm_area_struct),
STRUCT_INFO(vm_operations_struct),
STRUCT_INFO(netlink_kernel_cfg),
STRUCT_INFO(task_struct)
static struct DynamicStructInfo *dynamic_struct_infos[] = {
STRUCT_INFO(mount),
STRUCT_INFO(vfsmount),
STRUCT_INFO(mnt_namespace),
#ifdef CONFIG_KPROBES
STRUCT_INFO(kprobe),
#endif
STRUCT_INFO(vm_area_struct),
STRUCT_INFO(vm_operations_struct),
STRUCT_INFO(netlink_kernel_cfg),
STRUCT_INFO(task_struct)
};
// return 0 if successful
// return -1 if struct not defined
int sukisu_super_find_struct(
const char* struct_name,
size_t* out_size,
int* out_members
) {
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
if(out_size)
*out_size = info->total_size;
if(out_members)
*out_members = info->count;
return 0;
}
}
return -1;
int sukisu_super_find_struct(const char *struct_name, size_t *out_size,
int *out_members)
{
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) /
sizeof(dynamic_struct_infos[0]));
i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
if (out_size)
*out_size = info->total_size;
if (out_members)
*out_members = info->count;
return 0;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_find_struct);
@@ -237,61 +234,67 @@ EXPORT_SYMBOL(sukisu_super_find_struct);
// return 0 if successful
// return -1 if struct not defined
// return -2 if member not defined
int sukisu_super_access (
const char* struct_name,
const char* member_name,
size_t* out_offset,
size_t* out_size
) {
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name, member_name) == 0) {
if(out_offset)
*out_offset = info->members[i].offset;
if(out_size)
*out_size = info->members[i].size;
return 0;
}
}
return -2;
}
}
return -1;
int sukisu_super_access(const char *struct_name, const char *member_name,
size_t *out_offset, size_t *out_size)
{
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) /
sizeof(dynamic_struct_infos[0]));
i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name,
member_name) == 0) {
if (out_offset)
*out_offset =
info->members[i].offset;
if (out_size)
*out_size =
info->members[i].size;
return 0;
}
}
return -2;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_access);
// 动态 container_of 宏
#define DYNAMIC_CONTAINER_OF(offset, member_ptr) ({ \
(offset != (size_t)-1) ? (void*)((char*)(member_ptr) - offset) : NULL; \
})
#define DYNAMIC_CONTAINER_OF(offset, member_ptr) \
({ \
(offset != (size_t)-1) ? \
(void *)((char *)(member_ptr) - offset) : \
NULL; \
})
// Dynamic container_of
// return 0 if success
// return -1 if current struct not defined
// return -2 if target member not defined
int sukisu_super_container_of(
const char* struct_name,
const char* member_name,
void* ptr,
void** out_ptr
) {
if(ptr == NULL) {
return -3;
}
for(size_t i = 0; i < (sizeof(dynamic_struct_infos) / sizeof(dynamic_struct_infos[0])); i++) {
struct DynamicStructInfo* info = dynamic_struct_infos[i];
if(strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name, member_name) == 0) {
*out_ptr = (void*) DYNAMIC_CONTAINER_OF(info->members[i1].offset, ptr);
return 0;
}
}
return -2;
}
}
return -1;
int sukisu_super_container_of(const char *struct_name, const char *member_name,
void *ptr, void **out_ptr)
{
if (ptr == NULL) {
return -3;
}
for (size_t i = 0; i < (sizeof(dynamic_struct_infos) /
sizeof(dynamic_struct_infos[0]));
i++) {
struct DynamicStructInfo *info = dynamic_struct_infos[i];
if (strcmp(struct_name, info->name) == 0) {
for (size_t i1 = 0; i1 < info->count; i1++) {
if (strcmp(info->members[i1].name,
member_name) == 0) {
*out_ptr = (void *)DYNAMIC_CONTAINER_OF(
info->members[i1].offset, ptr);
return 0;
}
}
return -2;
}
}
return -1;
}
EXPORT_SYMBOL(sukisu_super_container_of);