re PR target/27067 (Compile errors with multiple inheritance where the stdcall attribute is applied to virtual functions.)
ChangeLog
PR target/27067
* doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
* targhooks.h (default_mangle_decl_assembler_name): Declare
default hook.
* targhooks.c (default_mangle_decl_assembler_name): Define
default hook.
* target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
default hook.
* target.h (struct gcc_target): Add mangle_decl_assembler_name field.
* langhooks.c (lhd_set_decl_assembler_name): Call
targetm.mangle_decl_assembler_name for names with global scope.
* config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
default.
(ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
* config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
Declare.
* config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
New. Factored out of i386_pe_encode_section_info.
(gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
Move check for prior decoration of stdcall
symbols to i386_pe_encode_section_info.
(i386_pe_encode_section_info): Adjust call to
gen_stdcall_or_fastcall_suffix. Use
i386_pe_maybe_mangle_decl_assembler_name, if needed.
(i386_pe_mangle_decl_assembler_name): New. Wrap
i386_pe_maybe_mangle_decl_assembler_name.
cp/ChangeLog
* mangle.c (mangle_decl): Call targetm.mangle_decl_assembler_name.
From-SVN: r125020
This commit is contained in:
Danny Smith
Danny Smith
parent
4f5497a924
commit
5234b8f573
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@ -1,3 +1,33 @@
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2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
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PR target/27067
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* doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
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* targhooks.h (default_mangle_decl_assembler_name): Declare
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default hook.
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* targhooks.c (default_mangle_decl_assembler_name): Define
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default hook.
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* target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
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default hook.
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* target.h (struct gcc_target): Add mangle_decl_assembler_name field.
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* langhooks.c (lhd_set_decl_assembler_name): Call
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targetm.mangle_decl_assembler_name for names with global scope.
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* config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
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default.
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(ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
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* config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
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Declare.
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* config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
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New. Factored out of i386_pe_encode_section_info.
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(gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
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Move check for prior decoration of stdcall
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symbols to i386_pe_encode_section_info.
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(i386_pe_encode_section_info): Adjust call to
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gen_stdcall_or_fastcall_suffix. Use
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i386_pe_maybe_mangle_decl_assembler_name, if needed.
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(i386_pe_mangle_decl_assembler_name): New. Wrap
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i386_pe_maybe_mangle_decl_assembler_name.
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2007-05-16 Rafael Avila de Espindola <espindola@google.com>
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* c-common.c (c_common_signed_or_unsigned_type): Delay the check for
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@ -1,7 +1,7 @@
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/* Operating system specific defines to be used when targeting GCC for
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hosting on Windows32, using a Unix style C library and tools.
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005
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2004, 2005, 2007
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Free Software Foundation, Inc.
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This file is part of GCC.
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@ -347,15 +347,11 @@ do { \
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/* This implements the `alias' attribute, keeping any stdcall or
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fastcall decoration. */
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#undef ASM_OUTPUT_DEF_FROM_DECLS
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#define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \
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#define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \
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do \
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{ \
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const char *alias; \
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rtx rtlname = XEXP (DECL_RTL (DECL), 0); \
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if (GET_CODE (rtlname) == SYMBOL_REF) \
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alias = XSTR (rtlname, 0); \
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else \
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abort (); \
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const char *alias \
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= IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
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if (TREE_CODE (DECL) == FUNCTION_DECL) \
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i386_pe_declare_function_type (STREAM, alias, \
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TREE_PUBLIC (DECL)); \
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@ -394,6 +390,7 @@ do { \
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#define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P i386_pe_valid_dllimport_attribute_p
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#define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition
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#define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name
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#undef TREE
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@ -1,6 +1,6 @@
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/* Definitions of target machine for GCC for IA-32.
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Copyright (C) 1988, 1992, 1994, 1995, 1996, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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Free Software Foundation, Inc.
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This file is part of GCC.
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@ -220,6 +220,7 @@ extern void i386_pe_asm_output_aligned_decl_common (FILE *, tree,
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HOST_WIDE_INT,
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HOST_WIDE_INT);
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extern void i386_pe_file_end (void);
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extern tree i386_pe_mangle_decl_assembler_name (tree, tree);
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/* In winnt-cxx.c and winnt-stubs.c */
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extern void i386_pe_adjust_class_at_definition (tree);
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@ -1,7 +1,7 @@
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/* Subroutines for insn-output.c for Windows NT.
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Contributed by Douglas Rupp (drupp@cs.washington.edu)
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Copyright (C) 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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2005, 2006 Free Software Foundation, Inc.
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2005, 2006, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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@ -75,7 +75,7 @@ ix86_handle_selectany_attribute (tree *node, tree name,
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/* The attribute applies only to objects that are initialized and have
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external linkage. However, we may not know about initialization
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until the language frontend has processed the decl. We'll check for
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initialization later in encode_section_info. */
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initialization later in encode_section_info. */
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if (TREE_CODE (*node) != VAR_DECL || !TREE_PUBLIC (*node))
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{
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error ("%qs attribute applies only to initialized variables"
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@ -154,22 +154,21 @@ i386_pe_valid_dllimport_attribute_p (tree decl)
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return true;
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}
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/* Return string which is the former assembler name modified with a
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suffix consisting of an atsign (@) followed by the number of bytes of
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arguments. If FASTCALL is true, also add the FASTCALL_PREFIX.
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/* Return string which is the function name, identified by ID, modified
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with a suffix consisting of an atsign (@) followed by the number of
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bytes of arguments. If ID is NULL use the DECL_NAME as base. If
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FASTCALL is true, also add the FASTCALL_PREFIX.
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Return NULL if no change required. */
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static tree
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gen_stdcall_or_fastcall_suffix (tree decl, bool fastcall)
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gen_stdcall_or_fastcall_suffix (tree decl, tree id, bool fastcall)
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{
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HOST_WIDE_INT total = 0;
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const char *asm_str = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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const char *old_str = IDENTIFIER_POINTER (id != NULL_TREE ? id : DECL_NAME (decl));
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char *new_str, *p;
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tree formal_type;
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/* Do not change the identifier if a verbatim asmspec or already done. */
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if (*asm_str == '*' || strchr (asm_str, '@'))
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return NULL_TREE;
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gcc_assert (TREE_CODE (decl) == FUNCTION_DECL);
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formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
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if (formal_type != NULL_TREE)
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@ -202,16 +201,47 @@ gen_stdcall_or_fastcall_suffix (tree decl, bool fastcall)
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formal_type = TREE_CHAIN (formal_type);
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}
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/* Assume max of 8 base 10 digits in the suffix. */
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p = new_str = alloca (1 + strlen (asm_str) + 1 + 8 + 1);
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p = new_str = alloca (1 + strlen (old_str) + 1 + 8 + 1);
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if (fastcall)
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*p++ = FASTCALL_PREFIX;
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sprintf (p, "%s@" HOST_WIDE_INT_PRINT_DEC, asm_str, total);
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sprintf (p, "%s@" HOST_WIDE_INT_PRINT_DEC, old_str, total);
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return get_identifier (new_str);
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}
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/* Maybe decorate and get a new identifier for the DECL of a stdcall or
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fastcall function. The original identifier is supplied in ID. */
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static tree
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i386_pe_maybe_mangle_decl_assembler_name (tree decl, tree id)
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{
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tree new_id = NULL_TREE;
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if (TREE_CODE (decl) == FUNCTION_DECL)
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{
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tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl));
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if (lookup_attribute ("stdcall", type_attributes))
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new_id = gen_stdcall_or_fastcall_suffix (decl, id, false);
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else if (lookup_attribute ("fastcall", type_attributes))
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new_id = gen_stdcall_or_fastcall_suffix (decl, id, true);
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}
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return new_id;
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}
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/* This is used as a target hook to modify the DECL_ASSEMBLER_NAME
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in the language-independent default hook
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langhooks,c:lhd_set_decl_assembler_name ()
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and in cp/mangle,c:mangle_decl (). */
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tree
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i386_pe_mangle_decl_assembler_name (tree decl, tree id)
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{
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tree new_id = i386_pe_maybe_mangle_decl_assembler_name (decl, id);
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return (new_id ? new_id : id);
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}
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void
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i386_pe_encode_section_info (tree decl, rtx rtl, int first)
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{
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@ -233,21 +263,24 @@ i386_pe_encode_section_info (tree decl, rtx rtl, int first)
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case FUNCTION_DECL:
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if (first)
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{
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tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl));
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tree newid = NULL_TREE;
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if (lookup_attribute ("stdcall", type_attributes))
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newid = gen_stdcall_or_fastcall_suffix (decl, false);
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else if (lookup_attribute ("fastcall", type_attributes))
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newid = gen_stdcall_or_fastcall_suffix (decl, true);
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if (newid != NULL_TREE)
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/* FIXME: In Ada, and perhaps other language frontends,
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imported stdcall names may not yet have been modified.
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Check and do it know. */
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tree new_id;
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tree old_id = DECL_ASSEMBLER_NAME (decl);
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const char* asm_str = IDENTIFIER_POINTER (old_id);
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/* Do not change the identifier if a verbatim asmspec
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or if stdcall suffix already added. */
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if (*asm_str == '*' || strchr (asm_str, '@'))
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break;
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if ((new_id = i386_pe_maybe_mangle_decl_assembler_name (decl, old_id)))
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{
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XSTR (symbol, 0) = IDENTIFIER_POINTER (newid);
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/* These attributes must be present on first declaration,
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change_decl_assembler_name will warn if they are added
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later and the decl has been referenced, but duplicate_decls
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should catch the mismatch before this is called. */
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change_decl_assembler_name (decl, newid);
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change_decl_assembler_name will warn if they are added
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later and the decl has been referenced, but duplicate_decls
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should catch the mismatch first. */
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change_decl_assembler_name (decl, new_id);
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XSTR (symbol, 0) = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
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}
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}
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break;
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@ -1,3 +1,8 @@
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2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
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PR target/27067
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* mangle.c (mangle_decl): Call targetm.mangle_decl_assembler_name.
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2007-05-22 Ollie Wild <aaw@google.com>
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* name-lookup.c (ambiguous_decl): Adds check for hidden types.
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@ -2621,8 +2621,9 @@ get_identifier_nocopy (const char *name)
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void
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mangle_decl (const tree decl)
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{
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SET_DECL_ASSEMBLER_NAME (decl,
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get_identifier_nocopy (mangle_decl_string (decl)));
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tree id = get_identifier_nocopy (mangle_decl_string (decl));
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id = targetm.mangle_decl_assembler_name (decl, id);
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SET_DECL_ASSEMBLER_NAME (decl, id);
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}
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/* Generate the mangled representation of TYPE. */
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@ -6462,6 +6462,16 @@ constants in @code{flag_pic} mode in @code{data_section} and everything
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else in @code{readonly_data_section}.
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@end deftypefn
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@deftypefn {Target Hook} void TARGET_MANGLE_DECL_ASSEMBLER_NAME (tree @var{decl}, tree @var{id})
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Define this hook if you need to postprocess the assembler name generated
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by target-independent code. The @var{id} provided to this hook will be
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the computed name (e.g., the macro @code{DECL_NAME} of the @var{decl} in C,
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or the mangled name of the @var{decl} in C++). The return value of the
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hook is an @code{IDENTIFIER_NODE} for the appropriate mangled name on
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your target system. The default implementation of this hook just
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returns the @var{id} provided.
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@end deftypefn
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@deftypefn {Target Hook} void TARGET_ENCODE_SECTION_INFO (tree @var{decl}, rtx @var{rtl}, int @var{new_decl_p})
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Define this hook if references to a symbol or a constant must be
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treated differently depending on something about the variable or
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|
|
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|
|
@ -34,6 +34,7 @@ Boston, MA 02110-1301, USA. */
|
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#include "integrate.h"
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#include "flags.h"
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#include "langhooks.h"
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#include "target.h"
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#include "langhooks-def.h"
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#include "ggc.h"
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#include "diagnostic.h"
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|
|
@ -147,6 +148,8 @@ lhd_warn_unused_global_decl (tree decl)
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void
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lhd_set_decl_assembler_name (tree decl)
|
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{
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tree id;
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|
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/* The language-independent code should never use the
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DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and
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VAR_DECLs for variables with static storage duration need a real
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|
|
@ -161,21 +164,26 @@ lhd_set_decl_assembler_name (tree decl)
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as that used in the source language. (That's correct for C, and
|
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GCC used to set DECL_ASSEMBLER_NAME to the same value as
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DECL_NAME in build_decl, so this choice provides backwards
|
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compatibility with existing front-ends.
|
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|
||||
compatibility with existing front-ends. This assumption is wrapped
|
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in a target hook, to allow for target-specific modification of the
|
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identifier.
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|
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Can't use just the variable's own name for a variable whose scope
|
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is less than the whole compilation. Concatenate a distinguishing
|
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number - we use the DECL_UID. */
|
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|
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if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE)
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SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));
|
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id = targetm.mangle_decl_assembler_name (decl, DECL_NAME (decl));
|
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else
|
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{
|
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const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
|
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char *label;
|
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|
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ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
|
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SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
|
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id = get_identifier (label);
|
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}
|
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SET_DECL_ASSEMBLER_NAME (decl, id);
|
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|
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}
|
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|
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/* Type promotion for variable arguments. */
|
||||
|
|
|
|||
|
|
@ -464,6 +464,10 @@ Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|||
#define TARGET_IN_SMALL_DATA_P hook_bool_tree_false
|
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#endif
|
||||
|
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#ifndef TARGET_MANGLE_DECL_ASSEMBLER_NAME
|
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#define TARGET_MANGLE_DECL_ASSEMBLER_NAME mangle_decl_assembler_name
|
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#endif
|
||||
|
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#ifndef TARGET_ENCODE_SECTION_INFO
|
||||
#define TARGET_ENCODE_SECTION_INFO default_encode_section_info
|
||||
#endif
|
||||
|
|
@ -681,6 +685,7 @@ Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|||
TARGET_FUNCTION_OK_FOR_SIBCALL, \
|
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TARGET_IN_SMALL_DATA_P, \
|
||||
TARGET_BINDS_LOCAL_P, \
|
||||
TARGET_MANGLE_DECL_ASSEMBLER_NAME, \
|
||||
TARGET_ENCODE_SECTION_INFO, \
|
||||
TARGET_STRIP_NAME_ENCODING, \
|
||||
TARGET_SHIFT_TRUNCATION_MASK, \
|
||||
|
|
|
|||
|
|
@ -544,6 +544,12 @@ struct gcc_target
|
|||
to the current module. */
|
||||
bool (* binds_local_p) (tree);
|
||||
|
||||
/* Modify and return the identifier of a DECL's external name,
|
||||
originally identified by ID, as required by the target,
|
||||
(eg, append @nn to windows32 stdcall function names).
|
||||
The default is to return ID without modification. */
|
||||
tree (* mangle_decl_assembler_name) (tree decl, tree id);
|
||||
|
||||
/* Do something target-specific to record properties of the DECL into
|
||||
the associated SYMBOL_REF. */
|
||||
void (* encode_section_info) (tree, rtx, int);
|
||||
|
|
|
|||
|
|
@ -631,4 +631,11 @@ default_reloc_rw_mask (void)
|
|||
return flag_pic ? 3 : 0;
|
||||
}
|
||||
|
||||
/* By default, do no modification. */
|
||||
tree default_mangle_decl_assembler_name (tree decl ATTRIBUTE_UNUSED,
|
||||
tree id)
|
||||
{
|
||||
return id;
|
||||
}
|
||||
|
||||
#include "gt-targhooks.h"
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/* Default target hook functions.
|
||||
Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc.
|
||||
Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GCC.
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@ -84,3 +84,4 @@ extern enum reg_class default_secondary_reload (bool, rtx, enum reg_class,
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extern void hook_void_bitmap (bitmap);
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extern bool default_handle_c_option (size_t, const char *, int);
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extern int default_reloc_rw_mask (void);
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extern tree default_mangle_decl_assembler_name (tree, tree);
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Reference in New Issue