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Merge branch 'dev' of https://github.com/ShirkNeko/SukiSU-Ultra into dev

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ShirkNeko
2025-03-30 19:45:12 +08:00
parent 0db25f14f1 877e4f9416
commit 328bee94e5
1 changed files with 16 additions and 9 deletions
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25
kernel/kpm/kpm.c
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@@ -145,6 +145,11 @@ struct kpm_header {
#define KPM_MAGIC 0x4B504D #define KPM_MAGIC 0x4B504D
#define KPM_VERSION 1 #define KPM_VERSION 1
typedef long (*mod_initcall_t)(const char *args, const char *event, void *reserved);
typedef long (*mod_ctl0call_t)(const char *ctl_args, char *__user out_msg, int outlen);
typedef long (*mod_ctl1call_t)(void *a1, void *a2, void *a3);
typedef long (*mod_exitcall_t)(void *reserved);
/* 加载信息结构体，避免与内核已有 load_info 冲突 */ /* 加载信息结构体，避免与内核已有 load_info 冲突 */
struct kpm_load_info { struct kpm_load_info {
const void *hdr; /* ELF 数据 */ const void *hdr; /* ELF 数据 */
@@ -179,10 +184,12 @@ struct kpm_module {
unsigned int size; /* 总大小 */ unsigned int size; /* 总大小 */
unsigned int text_size; unsigned int text_size;
unsigned int ro_size; unsigned int ro_size;
int (*init)(const char *args, const char *event, void *__user reserved);
void (*exit)(void *__user reserved); mod_initcall_t *init;
int (*ctl0)(const char *ctl_args, char *__user out_msg, int outlen); mod_ctl0call_t *ctl0;
int (*ctl1)(void *a1, void *a2, void *a3); mod_ctl1call_t *ctl1;
mod_exitcall_t *exit;
struct { struct {
const char *base; const char *base;
const char *name; const char *name;
@@ -908,10 +915,10 @@ static int kpm_move_module(struct kpm_module *mod, struct kpm_load_info *info)
/* 定位关键函数指针 */ /* 定位关键函数指针 */
secname = info->secstrings + shdr->sh_name; secname = info->secstrings + shdr->sh_name;
if (!mod->init && !strcmp(".kpm.init", secname)) { if (!mod->init && !strcmp(".kpm.init", secname)) {
mod->init = (int (*)(const char *, const char *, void *__user))dest; mod->init = (typeof(mod->init))dest;
printk(KERN_DEBUG "Found .kpm.init at 0x%px\n", dest); printk(KERN_DEBUG "Found .kpm.init at 0x%px\n", dest);
} else if (!strcmp(".kpm.exit", secname)) { } else if (!strcmp(".kpm.exit", secname)) {
mod->exit = (void (*)(void *__user))dest; mod->exit = (typeof(mod->exit))dest;
} }
} }
@@ -1075,7 +1082,7 @@ long kpm_load_module(const void *data, int len, const char *args,
(unsigned long)mod->start + mod->size); (unsigned long)mod->start + mod->size);
flush_icache_all(); flush_icache_all();
rc = mod->init(mod->args, event, reserved); rc = (*mod->init)(mod->args, event, reserved);
if (!rc) { if (!rc) {
printk(KERN_INFO "ARM64 KPM Loader: Module [%s] loaded successfully with args [%s]\n", printk(KERN_INFO "ARM64 KPM Loader: Module [%s] loaded successfully with args [%s]\n",
mod->info.name, args ? args : ""); mod->info.name, args ? args : "");
@@ -1086,7 +1093,7 @@ long kpm_load_module(const void *data, int len, const char *args,
} else { } else {
printk(KERN_ERR "ARM64 KPM Loader: Module [%s] init failed with error %ld\n", printk(KERN_ERR "ARM64 KPM Loader: Module [%s] init failed with error %ld\n",
mod->info.name, rc); mod->info.name, rc);
mod->exit(reserved); (*mod->exit)(reserved);
} }
free_mod: free_mod:
if (mod->args) if (mod->args)
@@ -1120,7 +1127,7 @@ long sukisu_kpm_unload_module(const char *name, void *__user reserved)
list_del(&mod->list); list_del(&mod->list);
spin_unlock(&kpm_module_lock); spin_unlock(&kpm_module_lock);
// rc = mod->exit(reserved); // rc = mod->exit(reserved);
mod->exit(reserved); (*mod->exit)(reserved);
if (mod->args) if (mod->args)
vfree(mod->args); vfree(mod->args);
if (mod->ctl_args) if (mod->ctl_args)