diff options
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 1bbcf0e..74d41e7 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -1048,9 +1048,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #define CASE_VECTOR_PC_RELATIVE 0 #endif +/* Force minimum alignment to be able to use the least significant bits + for distinguishing descriptor addresses from code addresses. */ +#define FUNCTION_ALIGNMENT(ALIGN) \ + (lang_hooks.custom_function_descriptors \ + && targetm.calls.custom_function_descriptors > 0 \ + ? MAX ((ALIGN), \ + 2 * targetm.calls.custom_function_descriptors * BITS_PER_UNIT)\ + : (ALIGN)) + /* Assume that trampolines need function alignment. */ #ifndef TRAMPOLINE_ALIGNMENT -#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY +#define TRAMPOLINE_ALIGNMENT FUNCTION_ALIGNMENT (FUNCTION_BOUNDARY) #endif /* Register mappings for target machines without register windows. */ |