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| author | Atsushi Nemoto <anemo@mba.ocn.ne.jp> | 2006-05-20 15:00:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-05-21 12:59:21 -0700 |
| commit | eae07ac607f317ee6781983d3f9d8f77ef144b45 (patch) | |
| tree | 4eb308235b077a69794d52d72b9241e2dd48f990 /scripts/mod/modpost.h | |
| parent | 2c1a51f39d9551a514d7a089d01c23c0c3a54ab8 (diff) | |
| download | lwn-eae07ac607f317ee6781983d3f9d8f77ef144b45.tar.gz lwn-eae07ac607f317ee6781983d3f9d8f77ef144b45.zip | |
[PATCH] kbuild: fix modpost segfault for 64bit mipsel kernel
Here is an updated r_info layout fix. Please apply "check SHT_REL
sections" patch before this.
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>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'scripts/mod/modpost.h')
| -rw-r--r-- | scripts/mod/modpost.h | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index 086fa466504c..861d866fcd83 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -41,6 +41,25 @@ #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) @@ -50,8 +69,6 @@ static inline void __endian(const void *src, void *dest, unsigned int size) ((unsigned char*)dest)[i] = ((unsigned char*)src)[size - i-1]; } - - #define TO_NATIVE(x) \ ({ \ typeof(x) __x; \ |