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#undef ADD_ROUTINE_PREFIX
#undef ADD_ROUTINE_SUFFIX
#if ELF_WRLOCK_HELD
#define CONCAT(x,y) x##y
#define ADD_ROUTINE_PREFIX(y) CONCAT(__,y)
#define ADD_ROUTINE_SUFFIX(x) x ## _wrlock
#define INTERNAL internal_function
#else
#define ADD_ROUTINE_PREFIX(y) y
#define ADD_ROUTINE_SUFFIX(x) x
#define INTERNAL
#endif
ElfW2(LIBELFBITS,Chdr) *
INTERNAL
ADD_ROUTINE_PREFIX(elfw2(LIBELFBITS, ADD_ROUTINE_SUFFIX(getchdr))) (Elf_Scn *scn)
{
ElfW2(LIBELFBITS,Shdr) *shdr = ADD_ROUTINE_PREFIX(elfw2(LIBELFBITS, ADD_ROUTINE_SUFFIX(getshdr)))(scn);
if (shdr == NULL)
return NULL;
/* Must have SHF_COMPRESSED flag set. Allocated or no bits sections
can never be compressed. */
if ((shdr->sh_flags & SHF_ALLOC) != 0)
{
__libelf_seterrno (ELF_E_INVALID_SECTION_FLAGS);
return NULL;
}
if (shdr->sh_type == SHT_NULL
|| shdr->sh_type == SHT_NOBITS)
{
__libelf_seterrno (ELF_E_INVALID_SECTION_TYPE);
return NULL;
}
if ((shdr->sh_flags & SHF_COMPRESSED) == 0)
{
__libelf_seterrno (ELF_E_NOT_COMPRESSED);
return NULL;
}
/* This makes sure the data is in the correct format, so we don't
need to swap fields. */
Elf_Data *d = ADD_ROUTINE_PREFIX(ADD_ROUTINE_SUFFIX(elf_getdata)) (scn, NULL);
if (d == NULL)
return NULL;
if (d->d_size < sizeof (ElfW2(LIBELFBITS,Chdr)) || d->d_buf == NULL)
{
__libelf_seterrno (ELF_E_INVALID_DATA);
return NULL;
}
return (ElfW2(LIBELFBITS,Chdr) *) d->d_buf;
}
#undef INTERNAL
#undef ELF_WRLOCK_HELD
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