* [PATCH] Un-obsolete Interix
@ 2011-06-09 17:35 Douglas B Rupp
2011-06-09 19:13 ` Joseph S. Myers
2011-06-12 13:50 ` Gerald Pfeifer
0 siblings, 2 replies; 6+ messages in thread
From: Douglas B Rupp @ 2011-06-09 17:35 UTC (permalink / raw)
To: gcc-patches
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This patch restores interix v3 and above to working condition, combines
the multitude of config/*interix*.h files into one file, removes unused
bits, and fixes PR 47096.
Comments welcome.
--Douglas B Rupp
[-- Attachment #2: interix32-c.dif.txt --]
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2011-06-09 Douglas B Rupp <rupp@gnat.com>
* <toplevel>/config/mh-interix: Remove.
* <toplevel>/configure.ac (host_makefile_frag): Remove above.
* <toplevel>/configure: Regenerate
* config/i386/i386-interix3.h: Incorporate this file ...
* config/interix3.h: Likewise
* config/interix.h: Likewise
* config/i386/i386-interix.h: ... into here and remove pre-Interix3
bits.
* config/interix.opt: Incorporate this file ...
* config/i386/interix.opt: ... into here.
* config/i386/t-interix (winnt-cxx.o,winnt-stubs.o,msformat-c.o): Add
rules to build.
* config.gcc: Rename interix3* to interix[3-9]*. Fix macros to reflect
config file changes. Remove interix3 from obsolete configurations.
* configure.ac (HAVE_GAS_ALIGNED_COMM): Allow on Interix.
* configure: Regenerate.
* testsuite/gcc.dg/builtins-config.h: (__INTERIX): Not C99.
* libgcc/config.host: Rename interix3* to interix[3-9]*.
* doc/install.texi: Note that gcc supports Interix version 3 and above.
diff -rupN gcc.orig/config/mh-interix gcc/config/mh-interix
--- gcc.orig/config/mh-interix 2011-04-06 16:54:04.000000000 -0700
+++ gcc/config/mh-interix 1969-12-31 16:00:00.000000000 -0800
@@ -1,7 +0,0 @@
-# The shell may not be in /bin.
-SHELL = sh
-
-# We also need to override LIBGCC2_DEBUG_CFLAGS so libgcc2 will be
-# built without debugging information
-
-LIBGCC2_DEBUG_CFLAGS=
diff -rupN gcc.orig/configure.ac gcc/configure.ac
--- gcc.orig/configure.ac 2011-06-01 13:35:36.000000000 -0700
+++ gcc/configure.ac 2011-06-01 15:46:59.000000000 -0700
@@ -1083,9 +1085,6 @@ case "${host}" in
*-mingw*)
host_makefile_frag="config/mh-mingw"
;;
- *-interix*)
- host_makefile_frag="config/mh-interix"
- ;;
hppa*-hp-hpux10*)
host_makefile_frag="config/mh-pa-hpux10"
;;
diff -rupN gcc.orig/gcc/config/i386/i386-interix3.h gcc/gcc/config/i386/i386-interix3.h
--- gcc.orig/gcc/config/i386/i386-interix3.h 2011-04-06 16:49:50.000000000 -0700
+++ gcc/gcc/config/i386/i386-interix3.h 1969-12-31 16:00:00.000000000 -0800
@@ -1,23 +0,0 @@
-/* Target definitions for GCC for Intel 80386 running Interix V3.
- Copyright (C) 2001, 2007 Free Software Foundation, Inc.
- Contributed by Douglas B. Rupp (rupp@gnat.com)
-
-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 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-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 COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-#undef CPP_SPEC
-#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
-
diff -rupN gcc.orig/gcc/config/interix3.h gcc/gcc/config/interix3.h
--- gcc.orig/gcc/config/interix3.h 2011-04-06 16:50:26.000000000 -0700
+++ gcc/gcc/config/interix3.h 1969-12-31 16:00:00.000000000 -0800
@@ -1,34 +0,0 @@
-/* Operating system specific defines to be used when targeting GCC for
- Interix version 3.
- Copyright (C) 2001, 2007 Free Software Foundation, Inc.
- Contributed by Douglas B. Rupp (rupp@gnat.com)
-
-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 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-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 COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-/* Interix 3.x has a single rooted file system and properly named
- libraries, so LIB_SPEC can be simplified */
-
-#undef LIB_SPEC
-#define LIB_SPEC "\
- %{!shared:%{!dynamic:-lc -lpsxdll \
- }} \
- %{!G:%{!dynamic:-lc -lpsxdll \
- }} \
- %{dynamic:-lc -lpsxdll \
- } \
- %{v}"
-
diff -rupN gcc.orig/gcc/config/interix.h gcc/gcc/config/interix.h
--- gcc.orig/gcc/config/interix.h 2011-04-06 16:50:26.000000000 -0700
+++ gcc/gcc/config/interix.h 1969-12-31 16:00:00.000000000 -0800
@@ -1,110 +0,0 @@
-/* Operating system specific defines to be used when targeting GCC for
- Interix
- Copyright (C) 1994, 1995, 1999, 2002, 2004, 2007, 2010
- Free Software Foundation, Inc.
- Donn Terry, Softway Systems, Inc. (donn@softway.com)
- Modified from code
- Contributed by Douglas B. Rupp (drupp@cs.washington.edu).
-
-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 3, or (at your option)
-any later version.
-
-GCC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-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 COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-/* POSIX/Uni-thread only for now. Look at the winnt version
-for windows/multi thread */
-
-/* We need multiple -lc -lcpsx because they mutually refer;
- that should go away someday */
-
-#undef LIB_SPEC
-#define LIB_SPEC "\
- %{!shared:%{!dynamic:-lc -lcpsx -lc -lcpsx %$INTERIX_ROOT/usr/lib/psxdll.a \
- %$INTERIX_ROOT/usr/lib/psxdll2.a \
- }} \
- %{!G:%{!dynamic:-lc -lcpsx -lc -lcpsx %$INTERIX_ROOT/usr/lib/psxdll.a \
- %$INTERIX_ROOT/usr/lib/psxdll2.a \
- }} \
- %{dynamic:-lc %$INTERIX_ROOT/usr/lib/psxdll.a \
- %$INTERIX_ROOT/usr/lib/psxdll2.a \
- } \
- %{v}"
-
-#undef LINK_SPEC
-#define LINK_SPEC "%{!shared:-stack 0x400000,0x10000} \
- -subsystem posix \
- %{g} \
- %{dynamic:-Bdynamic} \
- %{static:-Bstatic} \
- %{shared:--shared -Bdynamic} \
- %{G:--shared -Bdynamic} \
- %{symbolic:--shared -Bsymbolic -Bdynamic} \
- %{rpath*:--rpath %*} \
- "
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}} %{shared:crti%O%s}"
-
-
-#define STDC_0_IN_SYSTEM_HEADERS 1
-
-/* Names to predefine in the preprocessor for this target machine. */
-
-#define DBX_DEBUGGING_INFO 1
-#define SDB_DEBUGGING_INFO 1
-#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-
-
-/* TARGET_DEFAULT from configure */
-
-#undef WCHAR_TYPE
-#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE "short unsigned int"
-#define WCHAR_TYPE_SIZE 16
-
-/* Our strategy for finding global constructors is a bit different, although
- not a lot. */
-#define DO_GLOBAL_CTORS_BODY \
-do { \
- int i; \
- unsigned long nptrs; \
- func_ptr *p; \
- asm( \
- " .section .ctor_head, \"rw\"\n" \
- "1:\n" \
- " .text \n" \
- ASM_LOAD_ADDR(1b,%0) \
- : "=r" (p) : : "cc"); \
- for (nptrs = 0; p[nptrs] != 0; nptrs++); \
- for (i = nptrs-1; i >= 0; i--) \
- p[i] (); \
-} while (0)
-
-#define DO_GLOBAL_DTORS_BODY \
-do { \
- func_ptr *p; \
- asm( \
- " .section .dtor_head, \"rw\"\n" \
- "1:\n" \
- " .text \n" \
- ASM_LOAD_ADDR(1b,%0) \
- : "=r" (p) : : "cc"); \
- while (*p) \
- { \
- p++; \
- (*(p-1)) (); \
- } \
-} while (0)
diff -rupN gcc.orig/gcc/config/i386/i386-interix.h gcc/gcc/config/i386/i386-interix.h
--- gcc.orig/gcc/config/i386/i386-interix.h 2011-04-06 16:49:50.000000000 -0700
+++ gcc/gcc/config/i386/i386-interix.h 2011-06-02 20:17:29.000000000 -0700
@@ -24,31 +24,77 @@ You should have received a copy of the G
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
-/* The rest must follow. */
+/* Note: Interix doesn't support user-written DLLs (use conventional
+ shared libs (.so) instead). Thus a lot of the stuff that might apply
+ about dllimport/dllexport and the like does not apply here. */
+
+#include <stdio.h>
+
+#undef LIB_SPEC
+#define LIB_SPEC "\
+ %{!shared:%{!dynamic:-lc -lpsxdll \
+ }} \
+ %{!G:%{!dynamic:-lc -lpsxdll \
+ }} \
+ %{dynamic:-lc -lpsxdll \
+ } \
+ %{v}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{!shared:-stack 0x4000000,0x10000} \
+ %{g} \
+ %{dynamic:-Bdynamic} \
+ %{static:-Bstatic} \
+ %{shared:--shared -Bdynamic} \
+ %{G:--shared -Bdynamic} \
+ %{symbolic:--shared -Bsymbolic -Bdynamic} \
+ %{rpath*:--rpath %*} \
+ "
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}} %{shared:crti%O%s}"
+
+/* Names to predefine in the preprocessor for this target machine. */
#define DBX_DEBUGGING_INFO 1
#define SDB_DEBUGGING_INFO 1
+#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-/* By default, target has a 80387, uses IEEE compatible arithmetic,
- and returns float values in the 387 and needs stack probes
- We also align doubles to 64-bits for MSVC default compatibility
- We do bitfields MSVC-compatibly by default, too. */
-#undef TARGET_SUBTARGET_DEFAULT
-#define TARGET_SUBTARGET_DEFAULT \
- (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \
- MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
-
-#undef TARGET_CPU_DEFAULT
-#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_i486
-
-#define WCHAR_TYPE_SIZE 16
-#define WCHAR_TYPE "short unsigned int"
-
-/* WinNT (and thus Interix) use unsigned int */
-#define SIZE_TYPE "unsigned int"
+/* Our strategy for finding global constructors is a bit different, although
+ not a lot. */
+#define DO_GLOBAL_CTORS_BODY \
+do { \
+ int i; \
+ unsigned long nptrs; \
+ func_ptr *p; \
+ asm( \
+ " .section .ctor_head, \"rw\"\n" \
+ "1:\n" \
+ " .text \n" \
+ ASM_LOAD_ADDR(1b,%0) \
+ : "=r" (p) : : "cc"); \
+ for (nptrs = 0; p[nptrs] != 0; nptrs++); \
+ for (i = nptrs-1; i >= 0; i--) \
+ p[i] (); \
+} while (0)
-#define ASM_LOAD_ADDR(loc, reg) " leal " #loc "," #reg "\n"
+#define DO_GLOBAL_DTORS_BODY \
+do { \
+ func_ptr *p; \
+ asm( \
+ " .section .dtor_head, \"rw\"\n" \
+ "1:\n" \
+ " .text \n" \
+ ASM_LOAD_ADDR(1b,%0) \
+ : "=r" (p) : : "cc"); \
+ while (*p) \
+ { \
+ p++; \
+ (*(p-1)) (); \
+ } \
+} while (0)
#define TARGET_DECLSPEC 1
@@ -62,6 +108,7 @@ along with GCC; see the file COPYING3.
builtin_define ("_X86_=1"); \
builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
+ builtin_define ("__declspec(x)=__attribute__((x))"); \
builtin_assert ("system=unix"); \
builtin_assert ("system=interix"); \
if (preprocessing_asm_p ()) \
@@ -78,153 +125,21 @@ along with GCC; see the file COPYING3.
while (0)
#undef CPP_SPEC
-/* Write out the correct language type definition for the header files.
- Unless we have assembler language, write out the symbols for C.
- mieee is an Alpha specific variant. Cross pollination a bad idea.
- */
-#define CPP_SPEC "-remap %{posix:-D_POSIX_SOURCE} \
--isystem %$INTERIX_ROOT/usr/include"
-
-/* The global __fltused is necessary to cause the printf/scanf routines
- for outputting/inputting floating point numbers to be loaded. Since this
- is kind of hard to detect, we just do it all the time. */
-#undef X86_FILE_START_FLTUSED
-#define X86_FILE_START_FLTUSED 1
-
-/* A table of bytes codes used by the ASM_OUTPUT_ASCII and
- ASM_OUTPUT_LIMITED_STRING macros. Each byte in the table
- corresponds to a particular byte value [0..255]. For any
- given byte value, if the value in the corresponding table
- position is zero, the given character can be output directly.
- If the table value is 1, the byte must be output as a \ooo
- octal escape. If the tables value is anything else, then the
- byte value should be output as a \ followed by the value
- in the table. Note that we can use standard UN*X escape
- sequences for many control characters, but we don't use
- \a to represent BEL because some svr4 assemblers (e.g. on
- the i386) don't know about that. Also, we don't use \v
- since some versions of gas, such as 2.2 did not accept it. */
-
-#define ESCAPES \
-"\1\1\1\1\1\1\1\1btn\1fr\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\0\0\"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\\\0\0\0\
-\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\
-\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1\1"
-
-/* Some svr4 assemblers have a limit on the number of characters which
- can appear in the operand of a .string directive. If your assembler
- has such a limitation, you should define STRING_LIMIT to reflect that
- limit. Note that at least some svr4 assemblers have a limit on the
- actual number of bytes in the double-quoted string, and that they
- count each character in an escape sequence as one byte. Thus, an
- escape sequence like \377 would count as four bytes.
-
- If your target assembler doesn't support the .string directive, you
- should define this to zero.
-*/
-
-#define STRING_LIMIT ((unsigned) 256)
-
-#define STRING_ASM_OP "\t.string\t"
-
-/* The routine used to output NUL terminated strings. We use a special
- version of this for most svr4 targets because doing so makes the
- generated assembly code more compact (and thus faster to assemble)
- as well as more readable, especially for targets like the i386
- (where the only alternative is to output character sequences as
- comma separated lists of numbers). */
-
-#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
- do \
- { \
- const unsigned char *_limited_str = \
- (const unsigned char *) (STR); \
- unsigned ch; \
- fprintf ((FILE), "%s\"", STRING_ASM_OP); \
- for (; (ch = *_limited_str); _limited_str++) \
- { \
- int escape = ESCAPES[ch]; \
- switch (escape) \
- { \
- case 0: \
- putc (ch, (FILE)); \
- break; \
- case 1: \
- fprintf ((FILE), "\\%03o", ch); \
- break; \
- default: \
- putc ('\\', (FILE)); \
- putc (escape, (FILE)); \
- break; \
- } \
- } \
- fprintf ((FILE), "\"\n"); \
- } \
- while (0)
-
-/* The routine used to output sequences of byte values. We use a special
- version of this for most svr4 targets because doing so makes the
- generated assembly code more compact (and thus faster to assemble)
- as well as more readable. Note that if we find subparts of the
- character sequence which end with NUL (and which are shorter than
- STRING_LIMIT) we output those using ASM_OUTPUT_LIMITED_STRING. */
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
-#undef ASM_OUTPUT_ASCII
-#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
- do \
- { \
- const unsigned char *_ascii_bytes = \
- (const unsigned char *) (STR); \
- const unsigned char *limit = _ascii_bytes + (LENGTH); \
- unsigned bytes_in_chunk = 0; \
- for (; _ascii_bytes < limit; _ascii_bytes++) \
- { \
- const unsigned char *p; \
- if (bytes_in_chunk >= 64) \
- { \
- fputc ('\n', (FILE)); \
- bytes_in_chunk = 0; \
- } \
- for (p = _ascii_bytes; p < limit && *p != '\0'; p++) \
- continue; \
- if (p < limit && (p - _ascii_bytes) <= (long) STRING_LIMIT) \
- { \
- if (bytes_in_chunk > 0) \
- { \
- fputc ('\n', (FILE)); \
- bytes_in_chunk = 0; \
- } \
- ASM_OUTPUT_LIMITED_STRING ((FILE), _ascii_bytes); \
- _ascii_bytes = p; \
- } \
- else \
- { \
- if (bytes_in_chunk == 0) \
- fputs (ASM_BYTE, (FILE)); \
- else \
- fputc (',', (FILE)); \
- fprintf ((FILE), "0x%02x", *_ascii_bytes); \
- bytes_in_chunk += 5; \
- } \
- } \
- if (bytes_in_chunk > 0) \
- fputc ('\n', (FILE)); \
- } \
- while (0)
-
-/* Emit code to check the stack when allocating more that 4000
- bytes in one go. */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "short unsigned int"
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 16
-#define CHECK_STACK_LIMIT 0x1000
+#define SIZE_TYPE "unsigned int"
+#define PTRDIFF_TYPE "int"
-/* the following are OSF linker (not gld) specific... we don't want them */
-#undef HAS_INIT_SECTION
-#undef LD_INIT_SWITCH
-#undef LD_FINI_SWITCH
+/* Turn off long double being 96 bits. */
+#undef LONG_DOUBLE_TYPE_SIZE
+#define LONG_DOUBLE_TYPE_SIZE 64
+#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
+#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
/* The following are needed for us to be able to use winnt.c, but are not
otherwise meaningful to Interix. (The functions that use these are
@@ -232,42 +147,127 @@ along with GCC; see the file COPYING3.
#define TARGET_NOP_FUN_DLLIMPORT 1
#define drectve_section() /* nothing */
-/* Objective-C has its own packing rules...
- Objc tries to parallel the code in stor-layout.c at runtime
- (see libobjc/encoding.c). This (compile-time) packing info isn't
- available at runtime, so it's hopeless to try.
-
- And if the user tries to set the flag for objc, give an error
- so he has some clue. */
-
-#undef SUBTARGET_OVERRIDE_OPTIONS
-#define SUBTARGET_OVERRIDE_OPTIONS \
-do { \
- if (strcmp (lang_hooks.name, "GNU Objective-C") == 0) \
- { \
- if ((target_flags & MASK_MS_BITFIELD_LAYOUT) != 0 \
- && (target_flags_explicit & MASK_MS_BITFIELD_LAYOUT) != 0) \
- { \
- error ("ms-bitfields not supported for objc"); \
- } \
- target_flags &= ~MASK_MS_BITFIELD_LAYOUT; \
- } \
-} while (0)
#define EH_FRAME_IN_DATA_SECTION
#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rdata,\"r\""
+/* Define this macro if references to a symbol must be treated
+ differently depending on something about the variale or
+ function named by the symbol (such as what section it is in). */
+
+#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
+
+/* Emit code to check the stack when allocating more that 4000
+ bytes in one go. */
+
+#define CHECK_STACK_LIMIT 4000
+
+/* By default, target has a 80387, uses IEEE compatible arithmetic,
+ and returns float values in the 387 and needs stack probes
+ We also align doubles to 64-bits forMSVC default compatibility
+ Ditto for bitfields. */
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT \
+ (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \
+ MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
+
/* The MS compilers take alignment as a number of bytes, so we do as well */
#undef ASM_OUTPUT_ALIGN
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
if ((LOG)!=0) fprintf ((FILE), "\t.balign %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). */
+/*
+ * Old gcc(3.3) did not have 1 here
+ */
+#define MULTIPLE_SYMBOL_SPACES 1
+
+extern void i386_pe_unique_section PARAMS ((tree, int));
+#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
+
+/* Switch into a generic section. */
+#define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
+
+/* Select attributes for named sections. */
+#define TARGET_SECTION_TYPE_FLAGS i386_pe_section_type_flags
+
+/* Write the extra assembler code needed to declare a function
+ properly. If we are generating SDB debugging information, this
+ will happen automatically, so we only need to handle other cases. */
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ do \
+ { \
+ if (write_symbols != SDB_DEBUG) \
+ i386_pe_declare_function_type (FILE, NAME, TREE_PUBLIC (DECL)); \
+ ASM_OUTPUT_LABEL (FILE, NAME); \
+ } \
+ while (0)
+
+/* Add an external function to the list of functions to be declared at
+ the end of the file. */
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ do \
+ { \
+ if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ i386_pe_record_external_function (DECL, NAME); \
+ } \
+ while (0)
+
+/* Declare the type properly for any external libcall. */
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
+ i386_pe_declare_function_type (FILE, XSTR (FUN, 0), 1)
+
+/* This says out to put a global symbol in the BSS section. */
+#undef ASM_OUTPUT_ALIGNED_BSS
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
+
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START " #"
+
+/* Don't assume anything about the header files. */
+#define NO_IMPLICIT_EXTERN_C
+
+/* External function declarations. */
+extern void i386_pe_record_external_function (tree, 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_asm_file_end (FILE *);
+
+/* For Win32 ABI compatibility */
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+/* A bitfield declared as `int' forces `int' alignment for the struct. */
+#undef PCC_BITFIELD_TYPE_MATTERS
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+/* Enable alias attribute support. */
+#ifndef SET_ASM_OP
+#define SET_ASM_OP "\t.set\t"
+#endif
+
+/* Note that there appears to be two different ways to support const
+ sections at the moment. You can either #define the symbol
+ READONLY_DATA_SECTION (giving it some code which switches to the
+ readonly data section) or else you can #define the symbols
+ EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
+ SELECT_RTX_SECTION. We do both here just to be on the safe side. */
+
+#define USE_CONST_SECTION 1
+
/* The linker will take care of this, and having them causes problems with
ld -r (specifically -rU). */
#define CTOR_LISTS_DEFINED_EXTERNALLY 1
-#define SET_ASM_OP "\t.set\t"
/* Output a definition (implements alias) */
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
do \
@@ -288,68 +288,33 @@ while (0)
/* Forward references to tags are allowed. */
#define SDB_ALLOW_FORWARD_REFERENCES
-
/* Unknown tags are also allowed. */
#define SDB_ALLOW_UNKNOWN_REFERENCES
-
-/* The integer half of this list needs to be constant. However, there's
- a lot of disagreement about what the floating point adjustments should
- be. We pick one that works with gdb. (The underlying problem is
- what to do about the segment registers. Since we have access to them
- from /proc, we'll allow them to be accessed in gdb, even tho the
- gcc compiler can't generate them. (There's some evidence that
- MSVC does, but possibly only for certain special "canned" sequences.) */
-
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(n) \
-(TARGET_64BIT ? dbx64_register_map[n] \
- : (n) == 0 ? 0 \
- : (n) == 1 ? 2 \
- : (n) == 2 ? 1 \
- : (n) == 3 ? 3 \
- : (n) == 4 ? 6 \
- : (n) == 5 ? 7 \
- : (n) == 6 ? 5 \
- : (n) == 7 ? 4 \
- : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (n)+8 \
- : (-1))
-
-/* Define this macro if references to a symbol must be treated
- differently depending on something about the variable or
- function named by the symbol (such as what section it is in). */
-
-#define SUBTARGET_ENCODE_SECTION_INFO i386_pe_encode_section_info
-#undef TARGET_STRIP_NAME_ENCODING
-#define TARGET_STRIP_NAME_ENCODING i386_pe_strip_name_encoding_full
-
-#if 0
-/* Turn this back on when the linker is updated to handle grouped
- .data$ sections correctly. See corresponding note in i386/interix.c.
- MK. */
-
-/* Interix 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
-#endif /* 0 */
-
-/* Switch into a generic section. */
-#define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
-
/* DWARF2 Unwinding doesn't work with exception handling yet. */
#define DWARF2_UNWIND_INFO 0
+/* MSVC returns structs of up to 8 bytes via registers. */
-/* Don't assume anything about the header files. */
-#define NO_IMPLICIT_EXTERN_C
+#undef SUBTARGET_RETURN_IN_MEMORY
+#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
+ (TYPE_MODE (TYPE) == BLKmode || \
+ (AGGREGATE_TYPE_P (TYPE) && int_size_in_bytes(TYPE) > 8 ))
-/* MSVC returns structs of up to 8 bytes via registers. */
+#define ASM_LOAD_ADDR(loc, reg) " leal " #loc "," #reg "\n"
-#define DEFAULT_PCC_STRUCT_RETURN 0
+#define EH_FRAME_IN_DATA_SECTION
-#define SUBTARGET_RETURN_IN_MEMORY(TYPE, FNTYPE) \
- (TYPE_MODE (TYPE) == BLKmode \
- || (AGGREGATE_TYPE_P (TYPE) && int_size_in_bytes (TYPE) > 8 ))
+/* the following are OSF linker (not gld) specific... we don't want them */
+#undef HAS_INIT_SECTION
+#undef LD_INIT_SWITCH
+#undef LD_FINI_SWITCH
+
+/* The following are needed for us to be able to use winnt.c, but are not
+ otherwise meaningful to Interix. (The functions that use these are
+ never called because we don't do DLLs.) */
+#define TARGET_NOP_FUN_DLLIMPORT 1
+#define I386_PE_STRIP_ENCODING(SYM_NAME) \
+ ((SYM_NAME) + ((SYM_NAME)[0] == '@' \
+ ? ((SYM_NAME)[3] == '*' ? 4 : 3) : 0) \
+ + ((SYM_NAME)[0] == '*' ? 1 : 0))
+
+#define drectve_section() /* nothing */
diff -rupN gcc.orig/gcc/config/interix.opt gcc/gcc/config/interix.opt
--- gcc.orig/gcc/config/interix.opt 2011-04-06 16:50:26.000000000 -0700
+++ gcc/gcc/config/interix.opt 1969-12-31 16:00:00.000000000 -0800
@@ -1,36 +0,0 @@
-; Interix options.
-
-; Copyright (C) 2010, 2011
-; 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 3, or (at your option) any later
-; version.
-;
-; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-; WARRANTY; without even the implied warranty of 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 COPYING3. If not see
-; <http://www.gnu.org/licenses/>.
-
-; See the GCC internals manual (options.texi) for a description of
-; this file's format.
-
-; Please try to keep this file in ASCII collating order.
-
-dynamic
-Driver
-
-G
-Driver
-
-posix
-Driver
-
-; This comment is to ensure we retain the blank line above.
diff -rupN gcc.orig/gcc/config/i386/interix.opt gcc/gcc/config/i386/interix.opt
--- gcc.orig/gcc/config/i386/interix.opt 1969-12-31 16:00:00.000000000 -0800
+++ gcc/gcc/config/i386/interix.opt 2011-06-01 23:07:58.000000000 -0700
@@ -0,0 +1,34 @@
+; Interix-specific options.
+
+; Copyright (C) 2005, 2007, 2009-2011 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 3, or (at your option) any later
+; version.
+;
+; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+; WARRANTY; without even the implied warranty of 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 COPYING3. If not see
+; <http://www.gnu.org/licenses/>.
+
+mpe-aligned-commons
+Target Var(use_pe_aligned_common) Init(HAVE_GAS_ALIGNED_COMM)
+Use the GNU extension to the PE format for aligned common data
+
+dynamic
+Driver
+
+G
+Driver
+
+posix
+Driver
+
+; This comment is to ensure we retain the blank line above.
diff -rupN gcc.orig/gcc/config/i386/t-interix gcc/gcc/config/i386/t-interix
--- gcc.orig/gcc/config/i386/t-interix 2011-04-06 16:49:50.000000000 -0700
+++ gcc/gcc/config/i386/t-interix 2011-06-01 15:41:57.000000000 -0700
@@ -6,3 +6,22 @@ winnt.o: $(srcdir)/config/i386/winnt.c $
$(TM_P_H) $(HASHTAB_H) $(GGC_H)
$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
$(srcdir)/config/i386/winnt.c
+
+winnt-cxx.o: $(srcdir)/config/i386/winnt-cxx.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) toplev.h $(HASHTAB_H) $(GGC_H)
+ $(COMPILER) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/winnt-cxx.c
+
+winnt-stubs.o: $(srcdir)/config/i386/winnt-stubs.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) toplev.h $(HASHTAB_H) $(GGC_H)
+ $(COMPILER) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/winnt-stubs.c
+
+msformat-c.o: $(srcdir)/config/i386/msformat-c.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
+ $(TM_H) $(RTL_H) $(REGS_H) hard-reg-set.h output.h $(TREE_H) flags.h \
+ $(TM_P_H) $(HASHTAB_H) $(GGC_H)
+ $(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
+ $(srcdir)/config/i386/msformat-c.c
+
diff -rupN gcc.orig/gcc/config.gcc gcc/gcc/config.gcc
--- gcc.orig/gcc/config.gcc 2011-06-01 13:35:12.000000000 -0700
+++ gcc/gcc/config.gcc 2011-06-01 23:19:00.000000000 -0700
@@ -237,8 +237,7 @@
# Obsolete configurations.
case ${target} in
- i[34567]86-*-interix3* \
- | mips*-*-openbsd* \
+ mips*-*-openbsd* \
| score-* \
| *-*-solaris2.8* \
)
@@ -1539,11 +1539,12 @@ i[34567]86-*-mingw* | x86_64-*-mingw*)
;;
esac
;;
-i[34567]86-*-interix3*)
- tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/i386-interix.h i386/i386-interix3.h interix.h interix3.h"
+i[34567]86-*-interix[3-9]*)
+ tm_file="${tm_file} i386/unix.h i386/bsd.h i386/gas.h i386/i386-interix.h"
tmake_file="${tmake_file} i386/t-interix"
- extra_options="${extra_options} rpath.opt interix.opt"
- extra_objs=winnt.o
+ extra_options="${extra_options} rpath.opt i386/interix.opt"
+ extra_objs="winnt.o winnt-stubs.o"
+ cxx_target_objs="${cxx_target_objs} winnt-cxx.o msformat-c.o"
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
if test x$enable_threads = xyes ; then
thread_file='posix'
diff -rupN gcc.orig/gcc/configure.ac gcc/gcc/configure.ac
--- gcc.orig/gcc/configure.ac 2011-06-01 13:35:12.000000000 -0700
+++ gcc/gcc/configure.ac 2011-06-01 15:41:57.000000000 -0700
@@ -3460,7 +3460,7 @@ changequote([,])dnl
Cygwin DLL exports wrappers to support libstdc++ function replacement.])
esac
case $target_os in
- cygwin* | pe | mingw32*)
+ cygwin* | pe | mingw32* | interix[[3-9]]*)
# Recent binutils allows the three-operand form of ".comm" on PE. This
# definition is used unconditionally to initialise the default state of
# the target option variable that governs usage of the feature.
diff -rupN gcc.orig/gcc/testsuite/gcc.dg/builtins-config.h gcc/gcc/testsuite/gcc.dg/builtins-config.h
--- gcc.orig/gcc/testsuite/gcc.dg/builtins-config.h 2011-04-06 16:43:19.000000000 -0700
+++ gcc/gcc/testsuite/gcc.dg/builtins-config.h 2011-06-01 18:13:09.000000000 -0700
@@ -11,6 +11,8 @@
#if defined(__hppa) && defined(__hpux)
/* PA HP-UX doesn't have the entire C99 runtime. */
+#elif defined(__INTERIX)
+/* Interix doesn't have the entire C99 runtime. */
#elif defined(__AVR__)
/* AVR doesn't have the entire C99 runtime. */
#elif defined(__FreeBSD__) && (__FreeBSD__ < 9)
diff -rupN gcc.orig/libgcc/config.host gcc/libgcc/config.host
--- gcc.orig/libgcc/config.host 2011-06-01 13:34:29.000000000 -0700
+++ gcc/libgcc/config.host 2011-06-01 15:41:57.000000000 -0700
@@ -349,7 +349,7 @@ i[34567]86-*-cygwin* | i[34567]86-*-ming
;;
x86_64-*-mingw*)
;;
-i[34567]86-*-interix3*)
+i[34567]86-*-interix[3-9]*)
;;
ia64*-*-elf*)
extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtfastmath.o"
--- gcc.orig/gcc/doc/install.texi 2011-06-08 14:05:22.000000000 -0700
+++ gcc/gcc/doc/install.texi 2011-06-09 10:04:38.000000000 -0700
@@ -4499,7 +4499,7 @@
The Interix target is used by OpenNT, Interix, Services For UNIX (SFU),
and Subsystem for UNIX-based Applications (SUA). Applications compiled
with this target run in the Interix subsystem, which is separate from
-the Win32 subsystem. This target was last known to work in GCC 3.3.
+the Win32 subsystem. Gcc supports Interix version 3 and above.
@html
<hr />
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Un-obsolete Interix
2011-06-09 17:35 [PATCH] Un-obsolete Interix Douglas B Rupp
@ 2011-06-09 19:13 ` Joseph S. Myers
2011-06-09 19:32 ` Douglas B Rupp
2011-06-12 13:50 ` Gerald Pfeifer
1 sibling, 1 reply; 6+ messages in thread
From: Joseph S. Myers @ 2011-06-09 19:13 UTC (permalink / raw)
To: Douglas B Rupp; +Cc: gcc-patches
Why are you adding an include of <stdio.h> to i386-interix.h? This header
(and most common system headers) should generally be included via system.h
on the host, or tsystem.h on the target, not directly.
--
Joseph S. Myers
joseph@codesourcery.com
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Un-obsolete Interix
2011-06-09 19:13 ` Joseph S. Myers
@ 2011-06-09 19:32 ` Douglas B Rupp
0 siblings, 0 replies; 6+ messages in thread
From: Douglas B Rupp @ 2011-06-09 19:32 UTC (permalink / raw)
To: Joseph S. Myers, gcc-patches
Unneeded and removed.
Also found some trailing spaces in i386-interix.h, now removed.
On 6/9/2011 12:02 PM, Joseph S. Myers wrote:
> Why are you adding an include of<stdio.h> to i386-interix.h? This header
> (and most common system headers) should generally be included via system.h
> on the host, or tsystem.h on the target, not directly.
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Un-obsolete Interix
2011-06-09 17:35 [PATCH] Un-obsolete Interix Douglas B Rupp
2011-06-09 19:13 ` Joseph S. Myers
@ 2011-06-12 13:50 ` Gerald Pfeifer
1 sibling, 0 replies; 6+ messages in thread
From: Gerald Pfeifer @ 2011-06-12 13:50 UTC (permalink / raw)
To: Douglas B Rupp; +Cc: gcc-patches
On Thu, 9 Jun 2011, Douglas B Rupp wrote:
> Comments welcome.
--- gcc.orig/gcc/doc/install.texi 2011-06-08 14:05:22.000000000 -0700
+++ gcc/gcc/doc/install.texi 2011-06-09 10:04:38.000000000 -0700
@@ -4499,7 +4499,7 @@
The Interix target is used by OpenNT, Interix, Services For UNIX (SFU),
and Subsystem for UNIX-based Applications (SUA). Applications compiled
with this target run in the Interix subsystem, which is separate from
-the Win32 subsystem. This target was last known to work in GCC 3.3.
+the Win32 subsystem. Gcc supports Interix version 3 and above.
GCC (not Gcc).
And I assume you'll also be updating the release notes at
http://gcc.gnu.org/gcc-4.7/changes.html . ;-)
Gerald
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Un-obsolete Interix
2011-06-29 16:06 Douglas Rupp
@ 2011-07-08 11:25 ` Gerald Pfeifer
0 siblings, 0 replies; 6+ messages in thread
From: Gerald Pfeifer @ 2011-07-08 11:25 UTC (permalink / raw)
To: Douglas Rupp; +Cc: gcc-patches
Hi Doug,
On Wed, 29 Jun 2011, Douglas Rupp wrote:
> An update to the IA-32/x86-64 section seems the right place. I confess
> to being ignorant about how to update this html page. Please advise.
at http://gcc.gnu.org/cvs.html I tried to summarize things a bit.
If you have any questions, don't hesitate to let me know!
If things turn out to be tricky, you're also very welcome to download
the current page using a browser, just send me a diff, and I'll take
care of the rest.
Gerald
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] Un-obsolete Interix
@ 2011-06-29 16:06 Douglas Rupp
2011-07-08 11:25 ` Gerald Pfeifer
0 siblings, 1 reply; 6+ messages in thread
From: Douglas Rupp @ 2011-06-29 16:06 UTC (permalink / raw)
To: gerald; +Cc: gcc-patches
An update to the IA-32/x86-64 section seems the right place.
I confess to being ignorant about how to update this html page. Please
advise.
--Doug
On 12 Jun 2011, Gerald Pfeifer wrote:
And I assume you'll be updating the release notes at
http://gcc.gnu.org/gcc-4.7/changes.html . ;-)
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-07-08 11:24 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-06-09 17:35 [PATCH] Un-obsolete Interix Douglas B Rupp
2011-06-09 19:13 ` Joseph S. Myers
2011-06-09 19:32 ` Douglas B Rupp
2011-06-12 13:50 ` Gerald Pfeifer
2011-06-29 16:06 Douglas Rupp
2011-07-08 11:25 ` Gerald Pfeifer
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