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-rw-r--r--scripts/mod/modpost.c17
-rw-r--r--scripts/mod/modpost.h19
2 files changed, 31 insertions, 5 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index cd00e9f07589..b36e884f5f96 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -487,14 +487,14 @@ static int strrcmp(const char *s, const char *sub)
* atsym =__param*
*
* Pattern 2:
- * Many drivers utilise a *_driver container with references to
+ * Many drivers utilise a *driver container with references to
* add, remove, probe functions etc.
* These functions may often be marked __init and we do not want to
* warn here.
* the pattern is identified by:
* tosec = .init.text | .exit.text | .init.data
* fromsec = .data
- * atsym = *_driver, *_template, *_sht, *_ops, *_probe, *probe_one
+ * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one
**/
static int secref_whitelist(const char *tosec, const char *fromsec,
const char *atsym)
@@ -502,7 +502,7 @@ static int secref_whitelist(const char *tosec, const char *fromsec,
int f1 = 1, f2 = 1;
const char **s;
const char *pat2sym[] = {
- "_driver",
+ "driver",
"_template", /* scsi uses *_template a lot */
"_sht", /* scsi also used *_sht to some extent */
"_ops",
@@ -709,10 +709,17 @@ static void check_sec_ref(struct module *mod, const char *modname,
for (rela = start; rela < stop; rela++) {
Elf_Rela r;
const char *secname;
+ unsigned int r_sym;
r.r_offset = TO_NATIVE(rela->r_offset);
- r.r_info = TO_NATIVE(rela->r_info);
+ if (hdr->e_ident[EI_CLASS] == ELFCLASS64 &&
+ hdr->e_machine == EM_MIPS) {
+ r_sym = ELF64_MIPS_R_SYM(rela->r_info);
+ r_sym = TO_NATIVE(r_sym);
+ } else {
+ r_sym = ELF_R_SYM(TO_NATIVE(rela->r_info));
+ }
r.r_addend = TO_NATIVE(rela->r_addend);
- sym = elf->symtab_start + ELF_R_SYM(r.r_info);
+ sym = elf->symtab_start + r_sym;
/* Skip special sections */
if (sym->st_shndx >= SHN_LORESERVE)
continue;
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index b14255c72a37..89b96c6d8ef5 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -39,6 +39,25 @@
#define ELF_R_TYPE ELF64_R_TYPE
#endif
+/* The 64-bit MIPS ELF ABI uses an unusual reloc format. */
+typedef struct
+{
+ Elf32_Word r_sym; /* Symbol index */
+ unsigned char r_ssym; /* Special symbol for 2nd relocation */
+ unsigned char r_type3; /* 3rd relocation type */
+ unsigned char r_type2; /* 2nd relocation type */
+ unsigned char r_type1; /* 1st relocation type */
+} _Elf64_Mips_R_Info;
+
+typedef union
+{
+ Elf64_Xword r_info_number;
+ _Elf64_Mips_R_Info r_info_fields;
+} _Elf64_Mips_R_Info_union;
+
+#define ELF64_MIPS_R_SYM(i) \
+ ((__extension__ (_Elf64_Mips_R_Info_union)(i)).r_info_fields.r_sym)
+
#if KERNEL_ELFDATA != HOST_ELFDATA
static inline void __endian(const void *src, void *dest, unsigned int size)