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authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2006-04-25 01:53:43 +0900
committerSam Ravnborg <sam@mars.ravnborg.org>2006-04-30 23:36:48 +0200
commitc8d8b837ebe4b4f11e1b0c4a2bdc358c697692ed (patch)
treeb93d91d94d8ec862534ba01200e0c02a83f7d928 /scripts/mod/modpost.h
parent543f2a3382bd7abd7380903518c61f00c7c87577 (diff)
downloadlinux-c8d8b837ebe4b4f11e1b0c4a2bdc358c697692ed.tar.gz
kbuild: fix modpost segfault for 64bit mipsel kernel
64bit mips has different r_info layout.  This patch fixes modpost
segfault for 64bit little endian mips kernel.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/mod/modpost.h')
-rw-r--r--scripts/mod/modpost.h19
1 files changed, 19 insertions, 0 deletions
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)