diff options
Diffstat (limited to 'ldso/ldso/powerpc/dl-sysdep.h')
| -rw-r--r-- | ldso/ldso/powerpc/dl-sysdep.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ldso/ldso/powerpc/dl-sysdep.h b/ldso/ldso/powerpc/dl-sysdep.h index 8768c9ac4..1a78b1b8b 100644 --- a/ldso/ldso/powerpc/dl-sysdep.h +++ b/ldso/ldso/powerpc/dl-sysdep.h @@ -125,3 +125,16 @@ void _dl_init_got(unsigned long *lpnt,struct elf_resolve *tpnt); #define PAGE_ALIGN 0xfffff000 #define ADDR_ALIGN 0xfff #define OFFS_ALIGN 0x7ffff000 + +/* ELF_RTYPE_CLASS_PLT iff TYPE describes relocation of a PLT entry, so + PLT entries should not be allowed to define the value. + ELF_RTYPE_CLASS_NOCOPY iff TYPE should not be allowed to resolve to one + of the main executable's symbols, as for a COPY reloc. */ +/* We never want to use a PLT entry as the destination of a + reloc, when what is being relocated is a branch. This is + partly for efficiency, but mostly so we avoid loops. */ +#define elf_machine_type_class(type) \ + ((((type) == R_PPC_JMP_SLOT \ + || (type) == R_PPC_REL24 \ + || (type) == R_PPC_ADDR24) * ELF_RTYPE_CLASS_PLT) \ + | (((type) == R_PPC_COPY) * ELF_RTYPE_CLASS_COPY)) |