diff options
Diffstat (limited to 'thunk.h')
| -rw-r--r-- | thunk.h | 79 |
1 files changed, 76 insertions, 3 deletions
@@ -61,15 +61,13 @@ #endif -#ifdef WORDS_BIGENDIAN +#if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) #define BSWAP_NEEDED #endif /* XXX: autoconf */ -#define TARGET_I386 #define TARGET_LONG_BITS 32 - #if defined(__alpha__) || defined (__ia64__) #define HOST_LONG_BITS 64 #else @@ -239,6 +237,81 @@ void thunk_register_struct_direct(int id, const char *name, StructEntry *se1); const argtype *thunk_convert(void *dst, const void *src, const argtype *type_ptr, int to_host); +extern StructEntry struct_entries[]; + +static inline int thunk_type_size(const argtype *type_ptr, int is_host) +{ + int type, size; + const StructEntry *se; + + type = *type_ptr; + switch(type) { + case TYPE_CHAR: + return 1; + case TYPE_SHORT: + return 2; + case TYPE_INT: + return 4; + case TYPE_LONGLONG: + case TYPE_ULONGLONG: + return 8; + case TYPE_LONG: + case TYPE_ULONG: + case TYPE_PTRVOID: + case TYPE_PTR: + if (is_host) { + return HOST_LONG_SIZE; + } else { + return TARGET_LONG_SIZE; + } + break; + case TYPE_ARRAY: + size = type_ptr[1]; + return size * thunk_type_size(type_ptr + 2, is_host); + case TYPE_STRUCT: + se = struct_entries + type_ptr[1]; + return se->size[is_host]; + default: + return -1; + } +} + +static inline int thunk_type_align(const argtype *type_ptr, int is_host) +{ + int type; + const StructEntry *se; + + type = *type_ptr; + switch(type) { + case TYPE_CHAR: + return 1; + case TYPE_SHORT: + return 2; + case TYPE_INT: + return 4; + case TYPE_LONGLONG: + case TYPE_ULONGLONG: + return 8; + case TYPE_LONG: + case TYPE_ULONG: + case TYPE_PTRVOID: + case TYPE_PTR: + if (is_host) { + return HOST_LONG_SIZE; + } else { + return TARGET_LONG_SIZE; + } + break; + case TYPE_ARRAY: + return thunk_type_align(type_ptr + 2, is_host); + case TYPE_STRUCT: + se = struct_entries + type_ptr[1]; + return se->align[is_host]; + default: + return -1; + } +} + unsigned int target_to_host_bitmask(unsigned int x86_mask, bitmask_transtbl * trans_tbl); unsigned int host_to_target_bitmask(unsigned int alpha_mask, |