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* infcall.c (call_function_by_hand): Handle language-specific

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pass and return by reference.

	* cp-abi.c (cp_pass_by_reference): New.
	* cp-abi.h (cp_pass_by_reference): Declare.
	(struct cp_abi_ops): Add pass_by_reference.
	* gnu-v3-abi.c (gnuv3_pass_by_reference): New.
	(init_gnuv3_ops): Set pass_by_reference.

	* language.c (language_pass_by_reference): New.
	(default_pass_by_reference): New.
	(unknown_language_defn, auto_language_defn, local_language_defn): Add
	default_pass_by_reference.
	* langauge.h (struct language_defn): Add la_pass_by_reference.
	(language_pass_by_reference, default_pass_by_reference): Declare.
	* ada-lang.c (ada_language_defn): Add default_pass_by_reference.
	* c-lang.c (c_language_defn, asm_language_defn)
	(minimal_language_defn): Likewise.
	(cplus_language_defn): Add cp_pass_by_reference.
	* f-lang.c (f_language_defn): Add default_pass_by_reference.
	* jv-lang.c (java_language_defn): Likewise.
	* m2-lang.c (m2_language_defn): Likewise.
	* objc-lang.c (objc_language_defn): Likewise.
	* p-lang.c (pascal_language_defn): Likewise.
	* scm-lang.c (scm_language_defn): Likewise

	* gdb.cp/pass-by-ref.cc, gdb.cp/pass-by-ref.exp: New files.
This commit is contained in:
Daniel Jacobowitz
2007-09-23 16:25:06 +00:00
parent 3f213f78ed
commit 41f1b6975d
18 changed files with 346 additions and 11 deletions
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20
gdb/language.c
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@ -1045,6 +1045,23 @@ language_class_name_from_physname (const struct language_defn *current_language,
return NULL;
}
/* Return non-zero if TYPE should be passed (and returned) by
reference at the language level. */
int
language_pass_by_reference (struct type *type)
{
return current_language->la_pass_by_reference (type);
}
/* Return zero; by default, types are passed by value at the language
level. The target ABI may pass or return some structs by reference
independent of this. */
int
default_pass_by_reference (struct type *type)
{
return 0;
}
/* Return the default string containing the list of characters
delimiting words. This is a reasonable default value that
most languages should be able to use. */
@ -1191,6 +1208,7 @@ const struct language_defn unknown_language_defn =
default_word_break_characters,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
default_pass_by_reference,
LANG_MAGIC
};
@ -1228,6 +1246,7 @@ const struct language_defn auto_language_defn =
default_word_break_characters,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
default_pass_by_reference,
LANG_MAGIC
};
@ -1264,6 +1283,7 @@ const struct language_defn local_language_defn =
default_word_break_characters,
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
default_pass_by_reference,
LANG_MAGIC
};