diff options
Diffstat (limited to 'sysdeps/generic/ldsodefs.h')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index 8bd2efb8f0..e8234026e8 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -97,9 +97,16 @@ typedef ElfW(Addr) lookup_t; /* Reloc type classes as returned by elf_machine_type_class(). ELF_RTYPE_CLASS_PLT means this reloc should not be satisfied by some PLT symbol, ELF_RTYPE_CLASS_COPY means this reloc should not be - satisfied by any symbol in the executable. */ + satisfied by any symbol in the executable. Some architectures do + not support copy relocations. In this case we define the macro to + zero so that the code for handling them gets automatically optimized + out. */ #define ELF_RTYPE_CLASS_PLT 1 -#define ELF_RTYPE_CLASS_COPY 2 +#ifndef DL_NO_COPY_RELOCS +# define ELF_RTYPE_CLASS_COPY 2 +#else +# define ELF_RTYPE_CLASS_COPY 0 +#endif /* ELF uses the PF_x macros to specify the segment permissions, mmap uses PROT_xxx. In most cases the three macros have the values 1, 2, |