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objc-act.c (handle_impent): Rewrite to be more portable and to use ASM_DECLARE_CLASS_REFERENCE.

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* objc/objc-act.c (handle_impent): Rewrite to be more portable
        and to use ASM_DECLARE_CLASS_REFERENCE.
        * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
        undocumented DECLARE_CLASS_REFERENCE, add file argument.
        * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.

From-SVN: r43622
This commit is contained in:
Stan Shebs 2001-06-28 01:34:25 +00:00 committed by Stan Shebs
parent b42abad88a
commit f60b945b39
4 changed files with 53 additions and 53 deletions
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12
gcc/ChangeLog
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@ -1,3 +1,11 @@
2001-06-27 Stan Shebs <shebs@apple.com>
* objc/objc-act.c (handle_impent): Rewrite to be more portable
and to use ASM_DECLARE_CLASS_REFERENCE.
* config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
undocumented DECLARE_CLASS_REFERENCE, add file argument.
* doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
* simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
@ -1122,7 +1130,7 @@ Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2001-06-11 Stan Shebs <shebs@apple.com>
* darwin.h (ASM_FILE_END): Remove decl of language_string.
* config/darwin.h (ASM_FILE_END): Remove decl of language_string.
2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
@ -1178,7 +1186,7 @@ Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2001-06-11 Stan Shebs <shebs@apple.com>
* darwin.c (darwin_encode_section_info): Rewrite to simplify
* config/darwin.c (darwin_encode_section_info): Rewrite to simplify
and fix coding mistakes.
2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>

12
gcc/config/darwin.h
View File

@ -663,12 +663,12 @@ void alias_section (name, alias) \
} \
} while (0)
#define DECLARE_CLASS_REFERENCE(NAME) \
do { extern FILE* asm_out_file; \
if (asm_out_file) { \
fprintf (asm_out_file, "\t"); \
assemble_name (asm_out_file, NAME); \
fprintf (asm_out_file, "=0\n"); \
#define ASM_DECLARE_CLASS_REFERENCE(FILE,NAME) \
do { \
if (FILE) { \
fprintf (FILE, "\t"); \
assemble_name (FILE, NAME); \
fprintf (FILE, "=0\n"); \
assemble_global (NAME); \
} \
} while (0)

7
gcc/doc/tm.texi
View File

@ -6374,6 +6374,13 @@ in a category); and @var{sel_name} is the name of the selector.
On systems where the assembler can handle quoted names, you can use this
macro to provide more human-readable names.
@findex ASM_DECLARE_CLASS_REFERENCE
@item ASM_DECLARE_CLASS_REFERENCE (@var{stream}, @var{name})
A C statement (sans semicolon) to output to the stdio stream
@var{stream} commands to declare that the label @var{name} is an
Objective-C class reference. This is only needed for targets whose
linkers have special support for NeXT-style runtimes.
@findex ASM_DECLARE_UNRESOLVED_REFERENCE
@item ASM_DECLARE_UNRESOLVED_REFERENCE (@var{stream}, @var{name})
A C statement (sans semicolon) to output to the stdio stream

75
gcc/objc/objc-act.c
View File

@ -8392,6 +8392,8 @@ static void
handle_impent (impent)
struct imp_entry *impent;
{
char *string;
implementation_context = impent->imp_context;
implementation_template = impent->imp_template;
@ -8399,62 +8401,45 @@ handle_impent (impent)
{
const char *class_name =
IDENTIFIER_POINTER (CLASS_NAME (impent->imp_context));
char *string = (char *) alloca (strlen (class_name) + 30);
if (flag_next_runtime)
{
/* Grossly unportable.
People should know better than to assume
such things about assembler syntax! */
sprintf (string, ".objc_class_name_%s=0", class_name);
assemble_asm (my_build_string (strlen (string) + 1, string));
string = (char *) alloca (strlen (class_name) + 30);
sprintf (string, ".globl .objc_class_name_%s", class_name);
assemble_asm (my_build_string (strlen (string) + 1, string));
}
else
{
sprintf (string, "%sobjc_class_name_%s",
(flag_next_runtime ? "." : "__"), class_name);
assemble_global (string);
assemble_label (string);
}
sprintf (string, "*%sobjc_class_name_%s",
(flag_next_runtime ? "." : "__"), class_name);
}
else if (TREE_CODE (impent->imp_context) == CATEGORY_IMPLEMENTATION_TYPE)
{
const char *class_name =
IDENTIFIER_POINTER (CLASS_NAME (impent->imp_context));
const char *class_super_name =
IDENTIFIER_POINTER (CLASS_SUPER_NAME (impent->imp_context));
char *string = (char *) alloca (strlen (class_name)
+ strlen (class_super_name) + 30);
IDENTIFIER_POINTER (CLASS_SUPER_NAME (impent->imp_context));
/* Do the same for categories. Even though no references to these
symbols are generated automatically by the compiler, it gives
you a handle to pull them into an archive by hand. */
if (flag_next_runtime)
{
/* Grossly unportable. */
sprintf (string, ".objc_category_name_%s_%s=0",
class_name, class_super_name);
assemble_asm (my_build_string (strlen (string) + 1, string));
string = (char *) alloca (strlen (class_name)
+ strlen (class_super_name) + 30);
sprintf (string, ".globl .objc_category_name_%s_%s",
class_name, class_super_name);
assemble_asm (my_build_string (strlen (string) + 1, string));
}
else
{
sprintf (string, "%sobjc_category_name_%s_%s",
(flag_next_runtime ? "." : "__"),
class_name, class_super_name);
assemble_global (string);
assemble_label (string);
}
/* Do the same for categories. Even though no references to
these symbols are generated automatically by the compiler, it
gives you a handle to pull them into an archive by hand. */
sprintf (string, "*%sobjc_category_name_%s_%s",
(flag_next_runtime ? "." : "__"), class_name, class_super_name);
}
else
return;
#ifdef ASM_DECLARE_CLASS_REFERENCE
if (flag_next_runtime)
{
ASM_DECLARE_CLASS_REFERENCE (asm_out_file, string);
return;
}
#endif
/* (Should this be a routine in varasm.c?) */
readonly_data_section ();
assemble_global (string);
assemble_align (UNITS_PER_WORD);
assemble_label (string);
assemble_zeros (UNITS_PER_WORD);
}
void