kbuild: fix modpost segfault for 64bit mipsel kernel

[pandora-kernel.git] / scripts / mod / modpost.h

diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index b14255c..89b96c6 100644 (file)
--- 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)