OpenCloudOS-Kernel/arch/powerpc/lib/restart_table.c

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#include <asm/interrupt.h>
#include <asm/kprobes.h>
struct restart_table_entry {
unsigned long start;
unsigned long end;
unsigned long fixup;
};
extern struct restart_table_entry __start___restart_table[];
extern struct restart_table_entry __stop___restart_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);