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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-21 16:58:22 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-09-21 16:58:22 +0000 |
| commit | 6bfa2cc1b1757ca919c796642fcb4ee2d7fe7fa7 (patch) | |
| tree | 746cb9ad4b9e1b8562a39be3d23d3c85abfdac19 /gcc/defaults.h | |
| parent | 9f2cc694fb01b917c88cd6ce3b3d44c0e90b87a1 (diff) | |
| download | gcc-6bfa2cc1b1757ca919c796642fcb4ee2d7fe7fa7.tar.gz | |
gcc/
* tree.def (FDESC_EXPR): New.
* expr.c (expand_expr): Handle it.
* varasm.c (initializer_constant_valid_p): Likewise.
(output_constant): Likewise.
* defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
* config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
(ASM_OUTPUT_FDESC): New.
* doc/tm.texi: Document the new macros.
gcc/cp/
* class.c (set_vindex): Mind TARGET_VTABLE_USES_DESCRIPTORS.
(build_vtbl_initializer): Likewise.
(build_vfn_ref): New.
* cp-tree.h: Declare it.
* call.c (build_over_call): Use it.
* decl2.c (mark_vtable_entries): Mark FDESC_EXPR.
* typeck.c (get_member_function_from_ptrfunc): Mind descriptors.
gcc/java/
* class.c (get_dispatch_table): Handle function descriptors.
(build_dtable_decl): Likewise.
* expr.c (build_invokevirtual): Likewise.
gcc/testsuite/
* g++.old-deja/g++.abi/ptrmem.C: Update for ia64 c++ abi.
* g++.old-deja/g++.abi/vtable2.C: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45733 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/defaults.h')
| -rw-r--r-- | gcc/defaults.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/defaults.h b/gcc/defaults.h index 32dd3e838b3..f9fef2061f1 100644 --- a/gcc/defaults.h +++ b/gcc/defaults.h @@ -358,6 +358,16 @@ do { \ #define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY #endif +/* By default, the C++ compiler will use function addresses in the + vtable entries. Setting this non-zero tells the compiler to use + function descriptors instead. The value of this macro says how + many words wide the descriptor is (normally 2). It is assumed + that the address of a function descriptor may be treated as a + pointer to a function. */ +#ifndef TARGET_VTABLE_USES_DESCRIPTORS +#define TARGET_VTABLE_USES_DESCRIPTORS 0 +#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. */ |