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generalize mips-specific reloc code not to hard-code sym/type encoding

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this change is made in preparation for adding the mips64 port, which
needs a 64-bit (and mips64-specific) form of the R_INFO macro, but
it's a better abstraction anyway.

based on part of the mips64 port patch by Mahesh Bodapati and Jaydeep
Patil of Imagination Technologies.
This commit is contained in:
Rich Felker
2016-03-06 17:25:52 +00:00
parent b023c03b57
commit 71392a91c3
2 changed files with 3 additions and 1 deletions
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2
src/internal/dynlink.h
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@ -11,12 +11,14 @@ typedef Elf32_Phdr Phdr;
typedef Elf32_Sym Sym;
#define R_TYPE(x) ((x)&255)
#define R_SYM(x) ((x)>>8)
#define R_INFO ELF32_R_INFO
#else
typedef Elf64_Ehdr Ehdr;
typedef Elf64_Phdr Phdr;
typedef Elf64_Sym Sym;
#define R_TYPE(x) ((x)&0x7fffffff)
#define R_SYM(x) ((x)>>32)
#define R_INFO ELF64_R_INFO
#endif
/* These enum constants provide unmatchable default values for