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Diffstat (limited to 'arch/arm/kernel/module.c')
-rw-r--r--arch/arm/kernel/module.c35
1 files changed, 21 insertions, 14 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6d4105e6872f..fee7c36349eb 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -76,6 +76,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
for (i = 0; i < relsec->sh_size / sizeof(Elf32_Rel); i++, rel++) {
unsigned long loc;
Elf32_Sym *sym;
+ const char *symname;
s32 offset;
#ifdef CONFIG_THUMB2_KERNEL
u32 upper, lower, sign, j1, j2;
@@ -83,18 +84,18 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
offset = ELF32_R_SYM(rel->r_info);
if (offset < 0 || offset > (symsec->sh_size / sizeof(Elf32_Sym))) {
- printk(KERN_ERR "%s: bad relocation, section %d reloc %d\n",
+ pr_err("%s: section %u reloc %u: bad relocation sym offset\n",
module->name, relindex, i);
return -ENOEXEC;
}
sym = ((Elf32_Sym *)symsec->sh_addr) + offset;
+ symname = strtab + sym->st_name;
if (rel->r_offset < 0 || rel->r_offset > dstsec->sh_size - sizeof(u32)) {
- printk(KERN_ERR "%s: out of bounds relocation, "
- "section %d reloc %d offset %d size %d\n",
- module->name, relindex, i, rel->r_offset,
- dstsec->sh_size);
+ pr_err("%s: section %u reloc %u sym '%s': out of bounds relocation, offset %d size %u\n",
+ module->name, relindex, i, symname,
+ rel->r_offset, dstsec->sh_size);
return -ENOEXEC;
}
@@ -120,10 +121,10 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
if (offset & 3 ||
offset <= (s32)0xfe000000 ||
offset >= (s32)0x02000000) {
- printk(KERN_ERR
- "%s: relocation out of range, section "
- "%d reloc %d sym '%s'\n", module->name,
- relindex, i, strtab + sym->st_name);
+ pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n",
+ module->name, relindex, i, symname,
+ ELF32_R_TYPE(rel->r_info), loc,
+ sym->st_value);
return -ENOEXEC;
}
@@ -196,10 +197,10 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
if (!(offset & 1) ||
offset <= (s32)0xff000000 ||
offset >= (s32)0x01000000) {
- printk(KERN_ERR
- "%s: relocation out of range, section "
- "%d reloc %d sym '%s'\n", module->name,
- relindex, i, strtab + sym->st_name);
+ pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n",
+ module->name, relindex, i, symname,
+ ELF32_R_TYPE(rel->r_info), loc,
+ sym->st_value);
return -ENOEXEC;
}
@@ -282,12 +283,13 @@ static const Elf_Shdr *find_mod_section(const Elf32_Ehdr *hdr,
return NULL;
}
+extern void fixup_pv_table(const void *, unsigned long);
extern void fixup_smp(const void *, unsigned long);
int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
struct module *mod)
{
- const Elf_Shdr * __maybe_unused s = NULL;
+ const Elf_Shdr *s = NULL;
#ifdef CONFIG_ARM_UNWIND
const char *secstrs = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
const Elf_Shdr *sechdrs_end = sechdrs + hdr->e_shnum;
@@ -332,6 +334,11 @@ int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
maps[i].txt_sec->sh_addr,
maps[i].txt_sec->sh_size);
#endif
+#ifdef CONFIG_ARM_PATCH_PHYS_VIRT
+ s = find_mod_section(hdr, sechdrs, ".pv_table");
+ if (s)
+ fixup_pv_table((void *)s->sh_addr, s->sh_size);
+#endif
s = find_mod_section(hdr, sechdrs, ".alt.smp.init");
if (s && !is_smp())
fixup_smp((void *)s->sh_addr, s->sh_size);