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elf.h: Add ELFXX_ST_MKBIND and move ELFXX_ST_ helpers

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The profit of ELFXX_ST_MKBIND helper is that we
will use it for SYM_GLOBAL explicitly pointing
out from where this magic 0x10 came from.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov 2010-01-01 23:53:30 +03:00
parent 126faf2e3b
commit de623f2679
1 changed files with 11 additions and 8 deletions
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19
output/elf.h
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@ -251,6 +251,17 @@
#define STV_HIDDEN 2 /* Sym unavailable in other modules */
#define STV_PROTECTED 3 /* Not preemptible, not exported */
/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field */
#define ELF32_ST_BIND(i) ((i) >> 4)
#define ELF32_ST_MKBIND(i) ((i) << 4) /* just a helper */
#define ELF32_ST_TYPE(i) ((i) & 0xf)
#define ELF32_ST_INFO(b, i) (ELF_ST_MKBIND(b) + ELF_ST_TYPE(i))
#define ELF64_ST_BIND(i) ELF32_ST_BIND(i)
#define ELF64_ST_MKBIND(i) ELF32_ST_MKBIND(i)
#define ELF64_ST_TYPE(i) ELF32_ST_TYPE(i)
#define ELF64_ST_INFO(b, i) ELF32_ST_INFO(b, i)
/*
* ELF standard typedefs (yet more proof that <stdint.h> was way overdue)
*/
@ -520,12 +531,4 @@ typedef struct elf64_note {
Elf64_Word n_type; /* Content type */
} Elf64_Nhdr;
/* How to extract and insert information held in the st_info field. */
#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
#define ELF32_ST_TYPE(val) ((val) & 0xf)
/* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field. */
#define ELF64_ST_BIND(val) ELF32_ST_BIND (val)
#define ELF64_ST_TYPE(val) ELF32_ST_TYPE (val)
#endif /* OUTPUT_ELF_H */