#include <asm/interrupt.h> #include <asm/kprobes.h> struct soft_mask_table_entry { unsigned long start; unsigned long end; }; struct restart_table_entry { unsigned long start; unsigned long end; unsigned long fixup; }; extern struct soft_mask_table_entry __start___soft_mask_table[]; extern struct soft_mask_table_entry __stop___soft_mask_table[]; extern struct restart_table_entry __start___restart_table[]; extern struct restart_table_entry __stop___restart_table[]; /* Given an address, look for it in the soft mask table */ bool search_kernel_soft_mask_table(unsigned long addr) { struct soft_mask_table_entry *smte = __start___soft_mask_table; while (smte < __stop___soft_mask_table) { unsigned long start = smte->start; unsigned long end = smte->end; if (addr >= start && addr < end) return true; smte++; } return false; } NOKPROBE_SYMBOL(search_kernel_soft_mask_table); /* Given an address, look for it in the kernel exception table */ unsigned long search_kernel_restart_table(unsigned long addr) { struct restart_table_entry *rte = __start___restart_table; while (rte < __stop___restart_table) { unsigned long start = rte->start; unsigned long end = rte->end; unsigned long fixup = rte->fixup; if (addr >= start && addr < end) return fixup; rte++; } return 0; } NOKPROBE_SYMBOL(search_kernel_restart_table);