#include <string.h>
#include <errno.h>
#include <unistd.h>
+#ifdef VTOY_X86_64
+#include <cpuid.h>
+#endif
#define _ull unsigned long long
unsigned long sym_get_size;
unsigned long sym_put_addr;
unsigned long sym_put_size;
- unsigned long padding[3];
+ unsigned long kv_major;
+ unsigned long ibt;
+ unsigned long padding[1];
}ko_param;
#pragma pack()
if (oldver && newver)
{
memcpy(oldver, newver, strlen(newver) + 1);
- if (strstr(newver, "modversions"))
+ //if (strstr(newver, "modversions"))
{
*modver = 1;
}
param->sym_put_size = strtoul(argv[8], NULL, 10);
param->reg_kprobe_addr = strtoul(argv[9], NULL, 16);
param->unreg_kprobe_addr = strtoul(argv[10], NULL, 16);
+ param->kv_major = (unsigned long)(argv[11][0] - '0');
+ param->ibt = strtoul(argv[12], NULL, 16);;
debug("pgsize=%lu (%s)\n", param->pgsize, argv[1]);
debug("printk_addr=0x%lx (%s)\n", param->printk_addr, argv[2]);
debug("sym_put_size=%lu (%s)\n", param->sym_put_size, argv[8]);
debug("reg_kprobe_addr=0x%lx (%s)\n", param->reg_kprobe_addr, argv[9]);
debug("unreg_kprobe_addr=0x%lx (%s)\n", param->unreg_kprobe_addr, argv[10]);
+ debug("kv_major=%lu (%s)\n", param->kv_major, argv[11]);
+ debug("ibt=0x%lx (%s)\n", param->ibt, argv[12]);
break;
}
return 0;
}
+#ifdef VTOY_X86_64
+static int vtoykmod_check_ibt(void)
+{
+ uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
+
+ __cpuid_count(7, 0, eax, ebx, ecx, edx);
+
+ if (edx & (1 << 20))
+ {
+ return 0;
+ }
+ return 1;
+}
+#else
+static int vtoykmod_check_ibt(void)
+{
+ return 1;
+}
+#endif
+
int vtoykmod_main(int argc, char **argv)
{
int i;
{
return vtoykmod_update(argv[2], argv[3]);
}
+ else if (argv[1][0] == '-' && argv[1][1] == 'I')
+ {
+ return vtoykmod_check_ibt();
+ }
return 0;
}