diff options
Diffstat (limited to 'include/elf')
| -rw-r--r-- | include/elf/external.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/elf/external.h b/include/elf/external.h index d65bae0..eb0a53a 100644 --- a/include/elf/external.h +++ b/include/elf/external.h @@ -183,6 +183,22 @@ typedef struct { char name[1]; /* Start of the name+desc data */ } Elf_External_Note; +/* Align an address upward to a boundary, expressed as a number of bytes. + E.g. align to an 8-byte boundary with argument of 8. */ +#define ELF_ALIGN_UP(addr, boundary) \ + (((bfd_vma) (addr) + ((boundary) - 1)) & ~ (bfd_vma) ((boundary) -1)) + +/* Compute the offset of the note descriptor from size of note entry's + owner string and note alignment. */ +#define ELF_NOTE_DESC_OFFSET(namesz, align) \ + ELF_ALIGN_UP (offsetof (Elf_External_Note, name) + (namesz), (align)) + +/* Compute the offset of the next note entry from size of note entry's + owner string, size of the note descriptor and note alignment. */ +#define ELF_NOTE_NEXT_OFFSET(namesz, descsz, align) \ + ELF_ALIGN_UP (ELF_NOTE_DESC_OFFSET ((namesz), (align)) + (descsz), \ + (align)) + /* Relocation Entries */ typedef struct { unsigned char r_offset[4]; /* Location at which to apply the action */ |