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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-06-14 00:50:34 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-06-14 00:50:34 +0000 |
| commit | 5c43f6507ecf553d86638bb5b318babcb6aaeec3 (patch) | |
| tree | f528ed25ee144d3558289d8725d28f56df5995ca /gcc/defaults.h | |
| parent | 0837efa0d36f65b966116c0ffd2a2a351e0b83bf (diff) | |
| download | gcc-5c43f6507ecf553d86638bb5b318babcb6aaeec3.tar.gz | |
* defaults.h (TARGET_VTABLE_ENTRY_ALIGN): New.
(TARGET_VTABLE_DATA_ENTRY_DISTANCE): New.
* doc/tm.texi: Document them.
* config/ia64/ia64.h (TARGET_VTABLE_ENTRY_ALIGN): New.
(TARGET_VTABLE_DATA_ENTRY_DISTANCE): New.
(TARGET_VTABLE_USES_DESCRIPTORS): 4 word descriptors for 32-bit mode.
(ASM_OUTPUT_FDESC): Likewise.
* class.c (build_vtable): Use TARGET_VTABLE_ENTRY_ALIGN.
(build_vtbl_initializer): Honor TARGET_VTABLE_DATA_ENTRY_DISTANCE.
(build_vbase_offset_vtbl_entries): Likewise.
* rtti.c (build_headof): Likewise.
(get_tinfo_decl_dynamic): Likewise.
(create_pseudo_type_info): Likewise.
* g++.old-deja/g++.abi/vtable2.C (INC_VDATA): New. Define for
ia64 ilp32.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54603 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 8a57e2fb44b..9db7bfe9da8 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -380,6 +380,22 @@ do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0) #define TARGET_VTABLE_USES_DESCRIPTORS 0 #endif +/* By default, the vtable entries are void pointers, the so the alignment + is the same as pointer alignment. The value of this macro specifies + the alignment of the vtable entry in bits. It should be defined only + when special alignment is necessary. */ +#ifndef TARGET_VTABLE_ENTRY_ALIGN +#define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE +#endif + +/* There are a few non-descriptor entries in the vtable at offsets below + zero. If these entries must be padded (say, to preserve the alignment + specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of + words in each data entry. */ +#ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE +#define TARGET_VTABLE_DATA_ENTRY_DISTANCE 1 +#endif + /* Select a format to encode pointers in exception handling data. We prefer those that result in fewer dynamic relocations. Assume no special support here and encode direct references. */ |