#include <linux/fs.h>
#include <linux/string.h>
#include <linux/kernel.h>
+#include <linux/moduleloader.h>
+#include <linux/bug.h>
#if 0
#define DEBUGP printk
#define DEBUGP(fmt , ...)
#endif
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
#define PLT_ENTRY_SIZE 12
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
#define PLT_ENTRY_SIZE 20
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
void *module_alloc(unsigned long size)
{
/* Free memory returned from module_alloc */
void module_free(struct module *mod, void *module_region)
{
+ vfree(mod->arch.syminfo);
+ mod->arch.syminfo = NULL;
vfree(module_region);
- /* FIXME: If module_region == mod->init_region, trim exception
- table entries. */
}
-static inline void
+static void
check_rela(Elf_Rela *rela, struct module *me)
{
struct mod_arch_syminfo *info;
int nrela, i, j;
/* Find symbol table and string table. */
- symtab = 0;
+ symtab = NULL;
for (i = 0; i < hdr->e_shnum; i++)
switch (sechdrs[i].sh_type) {
case SHT_SYMTAB:
return -ENOEXEC;
}
-static inline int
+static int
apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
struct module *me)
{
unsigned int *ip;
ip = me->module_core + me->arch.plt_offset +
info->plt_offset;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */
ip[1] = 0x100607f1;
ip[2] = val;
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */
ip[1] = 0x100a0004;
ip[2] = 0x07f10000;
ip[3] = (unsigned int) (val >> 32);
ip[4] = (unsigned int) val;
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
info->plt_initialized = 1;
}
if (r_type == R_390_PLTOFF16 ||
- r_type == R_390_PLTOFF32
- || r_type == R_390_PLTOFF64
- )
+ r_type == R_390_PLTOFF32 ||
+ r_type == R_390_PLTOFF64)
val = me->arch.plt_offset - me->arch.got_offset +
info->plt_offset + rela->r_addend;
- else
- val = (Elf_Addr) me->module_core +
- me->arch.plt_offset + info->plt_offset +
- rela->r_addend - loc;
+ else {
+ if (!((r_type == R_390_PLT16DBL &&
+ val - loc + 0xffffUL < 0x1ffffeUL) ||
+ (r_type == R_390_PLT32DBL &&
+ val - loc + 0xffffffffULL < 0x1fffffffeULL)))
+ val = (Elf_Addr) me->module_core +
+ me->arch.plt_offset +
+ info->plt_offset;
+ val += rela->r_addend - loc;
+ }
if (r_type == R_390_PLT16DBL)
*(unsigned short *) loc = val >> 1;
else if (r_type == R_390_PLTOFF16)
struct module *me)
{
vfree(me->arch.syminfo);
- return 0;
+ me->arch.syminfo = NULL;
+ return module_bug_finalize(hdr, sechdrs, me);
}
void module_arch_cleanup(struct module *mod)
{
+ module_bug_cleanup(mod);
}