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liankong
2025-03-29 23:28:27 +08:00
parent 032bc68154
commit 17a2efb135
1 changed files with 2 additions and 1 deletions
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kernel/kpm/kpm.c
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@@ -494,6 +494,7 @@ static int kpm_move_module(struct kpm_module *mod, struct kpm_load_info *info)
unsigned long curr_offset = 0; unsigned long curr_offset = 0;
Elf64_Shdr *shdr; Elf64_Shdr *shdr;
void *dest; void *dest;
const char *secname;
/* 分配连续内存（按页对齐） */ /* 分配连续内存（按页对齐） */
mod->size = ALIGN(mod->size, PAGE_SIZE); mod->size = ALIGN(mod->size, PAGE_SIZE);
@@ -535,7 +536,7 @@ static int kpm_move_module(struct kpm_module *mod, struct kpm_load_info *info)
curr_offset += shdr->sh_size; curr_offset += shdr->sh_size;
/* 定位关键函数指针 */ /* 定位关键函数指针 */
const char *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 = (int (*)(const char *, const char *, void *__user))dest;
printk(KERN_DEBUG "Found .kpm.init at 0x%px\n", dest); printk(KERN_DEBUG "Found .kpm.init at 0x%px\n", dest);