X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fconfig%2Fi386%2Fcygming.h;h=71a5d8d99c961812c69357ac2da615788d4a5130;hb=9fecd9ccc3c0c3af4b6b98ddc342ac19f9ca7aac;hp=99b037233dae59fbb3aab2a82d477b5402687db8;hpb=ab4ad30aa8155f5e335a6e0fc965ac1357668fdc;p=pf3gnuchains%2Fgcc-fork.git
diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index 99b037233da..71a5d8d99c9 100644
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -1,13 +1,14 @@
/* Operating system specific defines to be used when targeting GCC for
hosting on Windows32, using a Unix style C library and tools.
- Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
@@ -16,72 +17,93 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+. */
#define DBX_DEBUGGING_INFO 1
#define SDB_DEBUGGING_INFO 1
+#if TARGET_64BIT_DEFAULT || defined (HAVE_GAS_PE_SECREL32_RELOC)
+#define DWARF2_DEBUGGING_INFO 1
+#endif
+
#undef PREFERRED_DEBUGGING_TYPE
+#if (DWARF2_DEBUGGING_INFO)
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#else
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#endif
+
+#undef TARGET_64BIT_MS_ABI
+#define TARGET_64BIT_MS_ABI (!cfun ? ix86_abi == MS_ABI : TARGET_64BIT && cfun->machine->call_abi == MS_ABI)
+
+#undef DEFAULT_ABI
+#define DEFAULT_ABI (TARGET_64BIT ? MS_ABI : SYSV_ABI)
+
+#if ! defined (USE_MINGW64_LEADING_UNDERSCORES)
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX (TARGET_64BIT ? "" : "_")
+#endif
+
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(n) \
+ (TARGET_64BIT ? dbx64_register_map[n] \
+ : (write_symbols == DWARF2_DEBUG \
+ ? svr4_dbx_register_map[n] : dbx_register_map[n]))
+
+/* Map gcc register number to DWARF 2 CFA column number. For 32 bit
+ target, always use the svr4_dbx_register_map for DWARF .eh_frame
+ even if we don't use DWARF .debug_frame. */
+#undef DWARF_FRAME_REGNUM
+#define DWARF_FRAME_REGNUM(n) \
+ (TARGET_64BIT ? dbx64_register_map[(n)] \
+ : svr4_dbx_register_map[(n)])
+
+#ifdef HAVE_GAS_PE_SECREL32_RELOC
+/* Use section relative relocations for debugging offsets. Unlike
+ other targets that fake this by putting the section VMA at 0, PE
+ won't allow it. */
+#define ASM_OUTPUT_DWARF_OFFSET(FILE, SIZE, LABEL, SECTION) \
+ do { \
+ if (SIZE != 4 && (!TARGET_64BIT || SIZE != 8)) \
+ abort (); \
+ \
+ fputs ("\t.secrel32\t", FILE); \
+ assemble_name (FILE, LABEL); \
+ } while (0)
+#endif
#define TARGET_EXECUTABLE_SUFFIX ".exe"
#include
-/* Masks for subtarget switches used by other files. */
-#define MASK_NOP_FUN_DLLIMPORT 0x08000000 /* Ignore dllimport for functions */
-
-/* Used in winnt.c. */
-#define TARGET_NOP_FUN_DLLIMPORT (target_flags & MASK_NOP_FUN_DLLIMPORT)
-
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
-{ "cygwin", 0, N_("Use the Cygwin interface") }, \
-{ "no-cygwin", 0, N_("Use the Mingw32 interface") }, \
-{ "windows", 0, N_("Create GUI application") }, \
-{ "no-win32", 0, N_("Don't set Windows defines") }, \
-{ "win32", 0, N_("Set Windows defines") }, \
-{ "console", 0, N_("Create console application") },\
-{ "dll", 0, N_("Generate code for a DLL") }, \
-{ "nop-fun-dllimport", MASK_NOP_FUN_DLLIMPORT, \
- N_("Ignore dllimport for functions") }, \
-{ "no-nop-fun-dllimport", -MASK_NOP_FUN_DLLIMPORT, "" }, \
-{ "threads", 0, N_("Use Mingw-specific thread support") },
-
-#define MAYBE_UWIN_CPP_BUILTINS() /* Nothing. */
-
-/* Support the __declspec keyword by turning them into attributes.
- We currently only support: dllimport and dllexport.
- Note that the current way we do this may result in a collision with
- predefined attributes later on. This can be solved by using one attribute,
- say __declspec__, and passing args to it. The problem with that approach
- is that args are not accumulated: each new appearance would clobber any
- existing args. */
-
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
- builtin_define ("_X86_=1"); \
+ if (!TARGET_64BIT) \
+ builtin_define ("_X86_=1"); \
builtin_assert ("system=winnt"); \
builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
builtin_define ("__fastcall=__attribute__((__fastcall__))"); \
+ builtin_define ("__thiscall=__attribute__((__thiscall__))"); \
builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
- builtin_define ("__declspec(x)=__attribute__((x))"); \
if (!flag_iso) \
{ \
builtin_define ("_stdcall=__attribute__((__stdcall__))"); \
builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
+ builtin_define ("_thiscall=__attribute__((__thiscall__))"); \
builtin_define ("_cdecl=__attribute__((__cdecl__))"); \
} \
- MAYBE_UWIN_CPP_BUILTINS (); \
+ /* Even though linkonce works with static libs, this is needed \
+ to compare typeinfo symbols across dll boundaries. */ \
+ builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \
+ builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
EXTRA_OS_CPP_BUILTINS (); \
} \
while (0)
/* Get tree.c to declare a target-specific specialization of
merge_decl_attributes. */
-#define TARGET_DLLIMPORT_DECL_ATTRIBUTES
+#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1
/* This macro defines names of additional specifications to put in the specs
that can be used in various specifications like CC1_SPEC. Its definition
@@ -100,11 +122,15 @@ Boston, MA 02111-1307, USA. */
#undef MATH_LIBRARY
#define MATH_LIBRARY ""
-#define SIZE_TYPE "unsigned int"
-#define PTRDIFF_TYPE "int"
+#define SIZE_TYPE (TARGET_64BIT ? "long long unsigned int" : "unsigned int")
+#define PTRDIFF_TYPE (TARGET_64BIT ? "long long int" : "int")
+
#define WCHAR_TYPE_SIZE 16
#define WCHAR_TYPE "short unsigned int"
+/* Windows64 continues to use a 32-bit long type. */
+#undef LONG_TYPE_SIZE
+#define LONG_TYPE_SIZE 32
/* Enable parsing of #pragma pack(push,) and #pragma pack(pop). */
#define HANDLE_PRAGMA_PACK_PUSH_POP 1
@@ -112,52 +138,14 @@ Boston, MA 02111-1307, USA. */
union tree_node;
#define TREE union tree_node *
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_drectve
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- DRECTVE_SECTION_FUNCTION \
- SWITCH_TO_SECTION_FUNCTION
-
-#define DRECTVE_SECTION_FUNCTION \
-void \
-drectve_section (void) \
-{ \
- if (in_section != in_drectve) \
- { \
- fprintf (asm_out_file, "%s\n", "\t.section .drectve\n"); \
- in_section = in_drectve; \
- } \
-}
-void drectve_section (void);
+#define drectve_section() \
+ (fprintf (asm_out_file, "\t.section .drectve\n"), \
+ in_section = NULL)
/* Older versions of gas don't handle 'r' as data.
Explicitly set data flag with 'd'. */
#define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata,\"dr\""
-/* Switch to SECTION (an `enum in_section').
-
- ??? This facility should be provided by GCC proper.
- The problem is that we want to temporarily switch sections in
- ASM_DECLARE_OBJECT_NAME and then switch back to the original section
- afterwards. */
-#define SWITCH_TO_SECTION_FUNCTION \
-void switch_to_section (enum in_section, tree); \
-void \
-switch_to_section (enum in_section section, tree decl) \
-{ \
- switch (section) \
- { \
- case in_text: text_section (); break; \
- case in_data: data_section (); break; \
- case in_readonly_data: readonly_data_section (); break; \
- case in_named: named_section (decl, NULL, 0); break; \
- case in_drectve: drectve_section (); break; \
- default: abort (); break; \
- } \
-}
-
/* Don't allow flag_pic to propagate since gas may produce invalid code
otherwise. */
@@ -166,7 +154,7 @@ switch_to_section (enum in_section section, tree decl) \
do { \
if (flag_pic) \
{ \
- warning ("-f%s ignored for target (all code is position independent)",\
+ warning (0, "-f%s ignored for target (all code is position independent)",\
(flag_pic > 1) ? "PIC" : "pic"); \
flag_pic = 0; \
} \
@@ -189,53 +177,52 @@ do { \
section and we need to set DECL_SECTION_NAME so we do that here.
Note that we can be called twice on the same decl. */
-#undef TARGET_ENCODE_SECTION_INFO
-#define TARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info
-#undef TARGET_STRIP_NAME_ENCODING
-#define TARGET_STRIP_NAME_ENCODING i386_pe_strip_name_encoding_full
-
-/* Output a reference to a label. */
-#undef ASM_OUTPUT_LABELREF
-#define ASM_OUTPUT_LABELREF i386_pe_output_labelref
+#define SUBTARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info
/* Output a common block. */
-#undef ASM_OUTPUT_COMMON
-#define ASM_OUTPUT_COMMON(STREAM, NAME, SIZE, ROUNDED) \
-do { \
- if (i386_pe_dllexport_name_p (NAME)) \
- i386_pe_record_exported_symbol (NAME, 1); \
- if (! i386_pe_dllimport_name_p (NAME)) \
- { \
- fprintf ((STREAM), "\t.comm\t"); \
- assemble_name ((STREAM), (NAME)); \
- fprintf ((STREAM), ", %d\t%s %d\n", \
- (int)(ROUNDED), ASM_COMMENT_START, (int)(SIZE)); \
- } \
-} while (0)
+#undef ASM_OUTPUT_ALIGNED_DECL_COMMON
+#define ASM_OUTPUT_ALIGNED_DECL_COMMON \
+ i386_pe_asm_output_aligned_decl_common
/* Output the label for an initialized variable. */
#undef ASM_DECLARE_OBJECT_NAME
#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \
do { \
- if (i386_pe_dllexport_name_p (NAME)) \
- i386_pe_record_exported_symbol (NAME, 1); \
+ i386_pe_maybe_record_exported_symbol (DECL, NAME, 1); \
ASM_OUTPUT_LABEL ((STREAM), (NAME)); \
} while (0)
+/* Output a reference to a label. Fastcall function symbols
+ keep their '@' prefix, while other symbols are prefixed
+ with user_label_prefix. */
+#undef ASM_OUTPUT_LABELREF
+#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
+do { \
+ if ((NAME)[0] != FASTCALL_PREFIX) \
+ fputs (user_label_prefix, (STREAM)); \
+ fputs ((NAME), (STREAM)); \
+} while (0)
+
-/* Emit code to check the stack when allocating more that 4000
+/* Emit code to check the stack when allocating more than 4000
bytes in one go. */
-
#define CHECK_STACK_LIMIT 4000
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY (ix86_abi == MS_ABI ? 128 : BITS_PER_WORD)
+
/* By default, target has a 80387, uses IEEE compatible arithmetic,
returns float values in the 387 and needs stack probes.
- We also align doubles to 64-bits for MSVC default compatibility. */
+ We also align doubles to 64-bits for MSVC default compatibility. */
#undef TARGET_SUBTARGET_DEFAULT
#define TARGET_SUBTARGET_DEFAULT \
- (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE \
- | MASK_ALIGN_DOUBLE)
+ (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS \
+ | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE)
+
+#undef TARGET_SUBTARGET64_DEFAULT
+#define TARGET_SUBTARGET64_DEFAULT \
+ MASK_128BIT_LONG_DOUBLE
/* This is how to output an assembler line
that says to advance the location counter
@@ -245,14 +232,11 @@ do { \
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
+/* Windows uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
-extern void i386_pe_unique_section (TREE, int);
#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
+#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
#define SUPPORTS_ONE_ONLY 1
@@ -269,8 +253,7 @@ extern void i386_pe_unique_section (TREE, int);
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do \
{ \
- if (i386_pe_dllexport_name_p (NAME)) \
- i386_pe_record_exported_symbol (NAME, 0); \
+ i386_pe_maybe_record_exported_symbol (DECL, NAME, 0); \
if (write_symbols != SDB_DEBUG) \
i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \
ASM_OUTPUT_LABEL (FILE, NAME); \
@@ -283,7 +266,7 @@ extern void i386_pe_unique_section (TREE, int);
do \
{ \
if (TREE_CODE (DECL) == FUNCTION_DECL) \
- i386_pe_record_external_function (NAME); \
+ i386_pe_record_external_function ((DECL), (NAME)); \
} \
while (0)
@@ -303,10 +286,21 @@ extern void i386_pe_unique_section (TREE, int);
#undef ASM_COMMENT_START
#define ASM_COMMENT_START " #"
-/* DWARF2 Unwinding doesn't work with exception handling yet. To make
- it work, we need to build a libgcc_s.dll, and dcrt0.o should be
- changed to call __register_frame_info/__deregister_frame_info. */
+#ifndef DWARF2_UNWIND_INFO
+/* If configured with --disable-sjlj-exceptions, use DWARF2, else
+ default to SJLJ. */
+#if (defined (CONFIG_SJLJ_EXCEPTIONS) && !CONFIG_SJLJ_EXCEPTIONS)
+/* The logic of this #if must be kept synchronised with the logic
+ for selecting the tmake_eh_file fragment in config.gcc. */
+#define DWARF2_UNWIND_INFO 1
+/* If multilib is selected break build as sjlj is required. */
+#if defined (TARGET_BI_ARCH)
+#error For 64-bit windows and 32-bit based multilib version of gcc just SJLJ exceptions are supported.
+#endif
+#else
#define DWARF2_UNWIND_INFO 0
+#endif
+#endif
/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
@@ -315,7 +309,7 @@ extern void i386_pe_unique_section (TREE, int);
#define PROFILE_HOOK(LABEL) \
if (MAIN_NAME_P (DECL_NAME (current_function_decl))) \
{ \
- emit_call_insn (gen_rtx (CALL, VOIDmode, \
+ emit_call_insn (gen_rtx_CALL (VOIDmode, \
gen_rtx_MEM (FUNCTION_MODE, \
gen_rtx_SYMBOL_REF (Pmode, "_monstartup")), \
const0_rtx)); \
@@ -329,15 +323,6 @@ extern void i386_pe_unique_section (TREE, int);
build_tree_list (get_identifier ("stdcall"), \
NULL))
-/* External function declarations. */
-
-extern void i386_pe_record_external_function (const char *);
-extern void i386_pe_declare_function_type (FILE *, const char *, int);
-extern void i386_pe_record_exported_symbol (const char *, int);
-extern void i386_pe_file_end (void);
-extern int i386_pe_dllexport_name_p (const char *);
-extern int i386_pe_dllimport_name_p (const char *);
-
/* For Win32 ABI compatibility */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 0
@@ -347,13 +332,23 @@ extern int i386_pe_dllimport_name_p (const char *);
#undef MS_AGGREGATE_RETURN
#define MS_AGGREGATE_RETURN 1
-/* No data type wants to be aligned rounder than this. */
-#undef BIGGEST_ALIGNMENT
-#define BIGGEST_ALIGNMENT 128
-
-/* Native complier aligns internal doubles in structures on dword boundaries. */
+/* Biggest alignment supported by the object file format of this
+ machine. Use this macro to limit the alignment which can be
+ specified using the `__attribute__ ((aligned (N)))' construct. If
+ not defined, the default value is `BIGGEST_ALIGNMENT'. */
+/* IMAGE_SCN_ALIGN_8192BYTES is the largest section alignment flag
+ specified in the PECOFF60 spec. Native MS compiler also limits
+ user-specified alignment to 8192 bytes. */
+#undef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT (8192 * 8)
+
+/* BIGGEST_FIELD_ALIGNMENT macro is used directly by libobjc, There, we
+ align internal doubles in structures on dword boundaries. Otherwise,
+ support vector modes using ADJUST_FIELD_ALIGN, defined in i386.h. */
+#ifdef IN_TARGET_LIBS
#undef BIGGEST_FIELD_ALIGNMENT
#define BIGGEST_FIELD_ALIGNMENT 64
+#endif
/* A bit-field declared as `int' forces `int' alignment for the struct. */
#undef PCC_BITFIELD_TYPE_MATTERS
@@ -364,24 +359,56 @@ extern int i386_pe_dllimport_name_p (const char *);
#ifndef SET_ASM_OP
#define SET_ASM_OP "\t.set\t"
#endif
+
/* This implements the `alias' attribute, keeping any stdcall or
fastcall decoration. */
#undef ASM_OUTPUT_DEF_FROM_DECLS
-#define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \
+#define ASM_OUTPUT_DEF_FROM_DECLS(STREAM, DECL, TARGET) \
do \
{ \
- const char *alias; \
- rtx rtlname = XEXP (DECL_RTL (DECL), 0); \
- if (GET_CODE (rtlname) == SYMBOL_REF) \
- alias = XSTR (rtlname, 0); \
- else \
- abort (); \
+ const char *alias \
+ = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
+ i386_pe_maybe_record_exported_symbol (DECL, alias, 0); \
if (TREE_CODE (DECL) == FUNCTION_DECL) \
i386_pe_declare_function_type (STREAM, alias, \
TREE_PUBLIC (DECL)); \
ASM_OUTPUT_DEF (STREAM, alias, IDENTIFIER_POINTER (TARGET)); \
} while (0)
+/* GNU as supports weak symbols on PECOFF. */
+#ifdef HAVE_GAS_WEAK
+#define ASM_WEAKEN_LABEL(FILE, NAME) \
+ do \
+ { \
+ fputs ("\t.weak\t", (FILE)); \
+ assemble_name ((FILE), (NAME)); \
+ fputc ('\n', (FILE)); \
+ } \
+ while (0)
+#endif /* HAVE_GAS_WEAK */
+
+/* FIXME: SUPPORTS_WEAK && TARGET_HAVE_NAMED_SECTIONS is true,
+ but for .jcr section to work we also need crtbegin and crtend
+ objects. */
+#define TARGET_USE_JCR_SECTION 1
+
+/* Decide whether it is safe to use a local alias for a virtual function
+ when constructing thunks. */
+#undef TARGET_USE_LOCAL_THUNK_ALIAS_P
+#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) (!DECL_ONE_ONLY (DECL))
+
+#define SUBTARGET_ATTRIBUTE_TABLE \
+ { "selectany", 0, 0, true, false, false, ix86_handle_selectany_attribute }
+ /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */
+
+/* mcount() does not need a counter variable. */
+#undef NO_PROFILE_COUNTERS
+#define NO_PROFILE_COUNTERS 1
+
+#define TARGET_VALID_DLLIMPORT_ATTRIBUTE_P i386_pe_valid_dllimport_attribute_p
+#define TARGET_CXX_ADJUST_CLASS_AT_DEFINITION i386_pe_adjust_class_at_definition
+#define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_pe_mangle_decl_assembler_name
+
#undef TREE
#ifndef BUFSIZ