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Add helper macros for pointer arithmetics
ALIGN lets you align pointers and STRUCT_MEMBER lets you get structure members at a specific offset. These are useful in general, and will be needed for the coredump notes cleanup work.
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@ -99,4 +99,8 @@ struct UCD_info
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extern coredump_phdr_t * _UCD_get_elf_image(struct UCD_info *ui, unw_word_t ip);
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#define ALIGN(x,a) (((x)+(a)-1UL)&~((a)-1UL))
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#define STRUCT_MEMBER_P(struct_p, struct_offset) ((void *) ((char*) (struct_p) + (long) (struct_offset)))
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#define STRUCT_MEMBER(member_type, struct_p, struct_offset) (*(member_type*) STRUCT_MEMBER_P ((struct_p), (struct_offset)))
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#endif
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