glibc/include/elf.h
Florian Weimer 2c75b545de elf: Refuse to dlopen PIE objects [BZ #24323]
Another executable has already been mapped, so the dynamic linker
cannot perform relocations correctly for the second executable.
2019-06-18 16:42:10 +02:00

30 lines
946 B
C

#ifndef _ELF_H
#include <elf/elf.h>
#ifndef _ISOMAC
# include <libc-pointer-arith.h>
/* 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) \
ALIGN_UP (sizeof (ElfW(Nhdr)) + (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) \
ALIGN_UP (ELF_NOTE_DESC_OFFSET ((namesz), (align)) + (descsz), (align))
/* Some information which is not meant for the public and therefore not
in <elf.h>. */
# include <dl-dtprocnum.h>
# ifdef DT_1_SUPPORTED_MASK
# error DT_1_SUPPORTED_MASK is defined!
# endif
# define DT_1_SUPPORTED_MASK \
(DF_1_NOW | DF_1_NODELETE | DF_1_INITFIRST | DF_1_NOOPEN \
| DF_1_ORIGIN | DF_1_NODEFLIB | DF_1_PIE)
#endif /* !_ISOMAC */
#endif /* elf.h */