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(Changes from Daniel Berlin, with revisions by Jim Blandy.)

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Abstract out operations specific to particular C++ ABI's, and
invoke them through a function table.  This removes the C++ ABI
dependencies scattered throughout the code, and allows us to
cleanly add support for new C++ ABI's.
* cp-abi.h, cp-abi.h, gnu-v2-abi.c, hpacc-abi.c: New files.
* c-typeprint.c, c-valprint.c, dbxread.c, eval.c, gdbtypes.c,
jv-typeprint.c, linespec.c, symtab.c, typeprint.c, valops.c:
#include "cp-abi.h".  These files all use functions now declared
there.
* symtab.h (OPNAME_PREFIX_P, VTBL_PREFIX_P, DESTRUCTOR_PREFIX_P):
Deleted.  These services are now provided by functions declared in
cp-abi.h.
* value.h (value_rtti_type, value_virtual_fn_field): Same.
* values.c (value_virtual_fn_field): Same, for this definition.
* valops.c (value_rtti_type): Same.
* c-typeprint.c (c_type_print_base): Use the functions from
"cp-abi.h", instead of the old macros, or hard-coded ABI-specific
tests.
* dbxread.c (record_minimal_symbol): Same.
* gdbtypes.c (get_destructor_fn_field, virtual_base_index,
virtual_base_index_skip_primaries): Same.
* jv-typeprint.c (java_type_print_base): Same.
* linespec.c (find_methods, decode_line_1): Same.
* symtab.c (gdb_mangle_name): Same.
* Makefile.in (SFILES): Add the new .c files mentioned above.
(cp_abi_h): New variable.
(COMMON_OBS): Add gnu-v2-abi.o, hpacc-abi.o, and cp-abi.o.
(cp-abi.o, gnu-v2-abi.o, hpacc-abi.o): New targets.
(c-typeprint.o, c-valprint.o, dbxread.o, eval.o, gdbtypes.o,
jv-typeprint.o, symtab.o, linespec.o, typeprint.o, valops.o): Add
dependency on $(cp_abi_h).
This commit is contained in:
Jim Blandy
2001-04-27 00:19:09 +00:00
parent 20b8570d73
commit 015a42b4cf
19 changed files with 972 additions and 478 deletions
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24
gdb/symtab.h
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@@ -1046,30 +1046,6 @@ struct partial_symtab
#define VTBL_FNADDR_OFFSET 2
/* Macro that yields non-zero value iff NAME is the prefix for C++ operator
names. If you leave out the parenthesis here you will lose! */
#define OPNAME_PREFIX_P(NAME) \
(!strncmp (NAME, "operator", 8))
/* Macro that yields non-zero value iff NAME is the prefix for C++ vtbl
names. Note that this macro is g++ specific (FIXME).
'_vt$' is the old cfront-style vtables; '_VT$' is the new
style, using thunks (where '$' is really CPLUS_MARKER). */
#define VTBL_PREFIX_P(NAME) \
(((NAME)[0] == '_' \
&& (((NAME)[1] == 'V' && (NAME)[2] == 'T') \
|| ((NAME)[1] == 'v' && (NAME)[2] == 't')) \
&& is_cplus_marker ((NAME)[3])) || ((NAME)[0]=='_' && (NAME)[1]=='_' \
&& (NAME)[2]=='v' && (NAME)[3]=='t' && (NAME)[4]=='_'))
/* Macro that yields non-zero value iff NAME is the prefix for C++ destructor
names. Note that this macro is g++ specific (FIXME). */
#define DESTRUCTOR_PREFIX_P(NAME) \
((NAME)[0] == '_' && is_cplus_marker ((NAME)[1]) && (NAME)[2] == '_')
/* External variables and functions for the objects described above. */
/* This symtab variable specifies the current file for printing source lines */