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| author | Michal Marek <mmarek@suse.cz> | 2014-01-02 14:02:06 +0100 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2014-01-02 14:02:06 +0100 |
| commit | 37e2c2a775fc887acd1432908478dfd532f7f00f (patch) | |
| tree | e51ebc699d8e262fd47e0913be6a711cb1a7b565 /scripts/sortextable.c | |
| parent | deb-pkg: Inhibit initramfs builders if CONFIG_BLK_DEV_INITRD is not set (diff) | |
| parent | Linux 3.13-rc1 (diff) | |
| download | linux-37e2c2a775fc887acd1432908478dfd532f7f00f.tar.gz linux-37e2c2a775fc887acd1432908478dfd532f7f00f.zip | |
Merge commit v3.13-rc1 into kbuild/misc
Diffstat (limited to 'scripts/sortextable.c')
| -rw-r--r-- | scripts/sortextable.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/scripts/sortextable.c b/scripts/sortextable.c index 7c2310c5b996..5f7a8b663cb9 100644 --- a/scripts/sortextable.c +++ b/scripts/sortextable.c @@ -152,6 +152,30 @@ static void (*w2)(uint16_t, uint16_t *); typedef void (*table_sort_t)(char *, int); +/* + * Move reserved section indices SHN_LORESERVE..SHN_HIRESERVE out of + * the way to -256..-1, to avoid conflicting with real section + * indices. + */ +#define SPECIAL(i) ((i) - (SHN_HIRESERVE + 1)) + +static inline int is_shndx_special(unsigned int i) +{ + return i != SHN_XINDEX && i >= SHN_LORESERVE && i <= SHN_HIRESERVE; +} + +/* Accessor for sym->st_shndx, hides ugliness of "64k sections" */ +static inline unsigned int get_secindex(unsigned int shndx, + unsigned int sym_offs, + const Elf32_Word *symtab_shndx_start) +{ + if (is_shndx_special(shndx)) + return SPECIAL(shndx); + if (shndx != SHN_XINDEX) + return shndx; + return r(&symtab_shndx_start[sym_offs]); +} + /* 32 bit and 64 bit are very similar */ #include "sortextable.h" #define SORTEXTABLE_64 |