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Diffstat (limited to 'contrib/gcc/config/i386/i386-interix.h')
| -rw-r--r-- | contrib/gcc/config/i386/i386-interix.h | 575 |
1 files changed, 0 insertions, 575 deletions
diff --git a/contrib/gcc/config/i386/i386-interix.h b/contrib/gcc/config/i386/i386-interix.h deleted file mode 100644 index 8e9f44393ccf..000000000000 --- a/contrib/gcc/config/i386/i386-interix.h +++ /dev/null @@ -1,575 +0,0 @@ -/* Target definitions for GNU compiler for Intel 80386 running Interix - Parts Copyright (C) 1991, 1999 Free Software Foundation, Inc. - - Parts: - by Douglas B. Rupp (drupp@cs.washington.edu). - by Ron Guilmette (rfg@netcom.com). - by Donn Terry (donn@softway.com). - by Mumit Khan (khan@xraylith.wisc.edu). - -This file is part of GNU CC. - -GNU CC 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) -any later version. - -GNU CC 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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#define YES_UNDERSCORES - -/* YES_UNDERSCORES must preceed gas.h */ -#include <i386/gas.h> -/* The rest must follow. */ - -#define DBX_DEBUGGING_INFO -#define SDB_DEBUGGING_INFO -#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG - -#define HANDLE_SYSV_PRAGMA -#undef HANDLE_PRAGMA_WEAK /* until the link format can handle it */ - -/* 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 compatability */ -#undef TARGET_DEFAULT -#define TARGET_DEFAULT \ - (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_STACK_PROBE | \ - MASK_ALIGN_DOUBLE) - -#undef TARGET_CPU_DEFAULT -#define TARGET_CPU_DEFAULT 2 /* 486 */ - -#define WCHAR_UNSIGNED 1 -#define WCHAR_TYPE_SIZE 16 -#define WCHAR_TYPE "short unsigned int" - -/* WinNT (and thus Interix) use unsigned int */ -#define SIZE_TYPE "unsigned int" - -#define ASM_LOAD_ADDR(loc, reg) " leal " #loc "," #reg "\n" - -/* For the sake of libgcc2.c, indicate target supports atexit. */ -#define HAVE_ATEXIT - -/* cpp handles __STDC__ */ -#undef CPP_PREDEFINES -#define CPP_PREDEFINES " \ - -D__INTERIX \ - -D__OPENNT \ - -D_M_IX86=300 -D_X86_=1 \ - -D__stdcall=__attribute__((__stdcall__)) \ - -D__cdecl=__attribute__((__cdecl__)) \ - -Asystem(unix) -Asystem(interix) -Asystem(interix) -Acpu(i386) -Amachine(i386)" - -#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. - cpp_cpu is an Intel specific variant. See i386.h - mieee is an Alpha specific variant. Cross polination a bad idea. - */ -#define CPP_SPEC "\ -%{!.S: -D__LANGUAGE_C__ -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}} \ -%{.S: -D__LANGUAGE_ASSEMBLY__ -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \ -%{.cc: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ -%{.cxx: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ -%{.C: -D__LANGUAGE_C_PLUS_PLUS__ -D__LANGUAGE_C_PLUS_PLUS -D__cplusplus} \ -%{.m: -D__LANGUAGE_OBJECTIVE_C__ -D__LANGUAGE_OBJECTIVE_C} \ --remap \ -%(cpp_cpu) \ -%{posix:-D_POSIX_SOURCE} \ --idirafter %$INTERIX_ROOT/usr/include" - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (i386 Interix)"); - -/* 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. */ - -#ifdef ASM_FILE_START -#undef ASM_FILE_START -#endif -#define ASM_FILE_START(FILE) \ - do { fprintf (FILE, "\t.file\t"); \ - output_quoted_string (FILE, dump_base_name); \ - fprintf (FILE, "\n"); \ - fprintf (FILE, ".global\t__fltused\n"); \ - } while (0) - -/* 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 ".string" - -/* 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 \ - { \ - register unsigned char *_limited_str = (unsigned char *) (STR); \ - register unsigned ch; \ - fprintf ((FILE), "\t%s\t\"", STRING_ASM_OP); \ - for (; (ch = *_limited_str); _limited_str++) \ - { \ - register 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. */ - -#undef ASM_OUTPUT_ASCII -#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \ - do \ - { \ - register unsigned char *_ascii_bytes = (unsigned char *) (STR); \ - register unsigned char *limit = _ascii_bytes + (LENGTH); \ - register unsigned bytes_in_chunk = 0; \ - for (; _ascii_bytes < limit; _ascii_bytes++) \ - { \ - register 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) <= 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) \ - fprintf ((FILE), "\t.byte\t"); \ - else \ - fputc (',', (FILE)); \ - fprintf ((FILE), "0x%02x", *_ascii_bytes); \ - bytes_in_chunk += 5; \ - } \ - } \ - if (bytes_in_chunk > 0) \ - fprintf ((FILE), "\n"); \ - } \ - while (0) - -/* This is how to output an element of a case-vector that is relative. - This is only used for PIC code. See comments by the `casesi' insn in - i386.md for an explanation of the expression this outputs. - PE format differs on what PC-relative offsets look like (see - coff_i386_rtype_to_howto), and we need to compensate (by one word) here. */ - -#undef ASM_OUTPUT_ADDR_DIFF_ELT -#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ - fprintf (FILE, "\t.long __GLOBAL_OFFSET_TABLE_+[.-%s%d+4]\n", LPREFIX, VALUE) - -/* Indicate that jump tables go in the text section. This is - necessary when compiling PIC code. */ - -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -/* Emit code to check the stack when allocating more that 4000 - bytes in one go. */ - -#define CHECK_STACK_LIMIT 0x1000 - -/* 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 C++, but also needed for profiling */ - -/* Support const sections and the ctors and dtors sections for g++. - 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 - -#define CONST_SECTION_ASM_OP ".section\t.rdata,\"r\"" - -/* Define the pseudo-ops used to switch to the .ctors and .dtors sections. - - Note that we want to give these sections the SHF_WRITE attribute - because these sections will actually contain data (i.e. tables of - addresses of functions in the current root executable or shared library - file) and, in the case of a shared library, the relocatable addresses - will have to be properly resolved/relocated (and then written into) by - the dynamic linker when it actually attaches the given shared library - to the executing process. (Note that on SVR4, you may wish to use the - `-z text' option to the ELF linker, when building a shared library, as - an additional check that you are doing everything right. But if you do - use the `-z text' option when building a shared library, you will get - errors unless the .ctors and .dtors sections are marked as writable - via the SHF_WRITE attribute.) */ - -#define CTORS_SECTION_ASM_OP ".section\t.ctors,\"x\"" -#define DTORS_SECTION_ASM_OP ".section\t.dtors,\"x\"" - -/* A default list of other sections which we might be "in" at any given - time. For targets that use additional sections (e.g. .tdesc) you - should override this definition in the target-specific file which - includes this file. */ - -#undef EXTRA_SECTIONS -#define EXTRA_SECTIONS in_const, in_ctors, in_dtors - -/* A default list of extra section function definitions. For targets - that use additional sections (e.g. .tdesc) you should override this - definition in the target-specific file which includes this file. */ - -#undef EXTRA_SECTION_FUNCTIONS -#define EXTRA_SECTION_FUNCTIONS \ - CONST_SECTION_FUNCTION \ - CTORS_SECTION_FUNCTION \ - DTORS_SECTION_FUNCTION - -#undef READONLY_DATA_SECTION -#define READONLY_DATA_SECTION() const_section () - -extern void text_section (); - -#define CONST_SECTION_FUNCTION \ -void \ -const_section () \ -{ \ - if (!USE_CONST_SECTION) \ - text_section(); \ - else if (in_section != in_const) \ - { \ - fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \ - in_section = in_const; \ - } \ -} - -#define CTORS_SECTION_FUNCTION \ -void \ -ctors_section () \ -{ \ - if (in_section != in_ctors) \ - { \ - fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \ - in_section = in_ctors; \ - } \ -} - -#define DTORS_SECTION_FUNCTION \ -void \ -dtors_section () \ -{ \ - if (in_section != in_dtors) \ - { \ - fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \ - in_section = in_dtors; \ - } \ -} - -#if 0 -/* Currently gas chokes on this; that's not too hard to fix, but there's - not a lot of impeteus to do it, either. If it is done, gas will have - to handle long section name escapes (which are defined in the COFF/PE - document as /nnn where nnn is a string table index). The benefit: - section attributes and -ffunction-sections, neither of which seem to - be critical. */ -/* gas may have been fixed? bfd was. */ - -/* Switch into a generic section. - This is currently only used to support section attributes. - - We make the section read-only and executable for a function decl, - read-only for a const data decl, and writable for a non-const data decl. */ -#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME) \ - fprintf (FILE, ".section\t%s,\"%s\",@progbits\n", NAME, \ - (DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \ - (DECL) && TREE_READONLY (DECL) ? "a" : "aw") -#endif - -#define INT_ASM_OP ".long" - -/* 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)) - -/* A C statement (sans semicolon) to output an element in the table of - global constructors. */ -#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \ - do { \ - ctors_section (); \ - fprintf (FILE, "\t%s\t ", INT_ASM_OP); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, "\n"); \ - } while (0) - -/* A C statement (sans semicolon) to output an element in the table of - global destructors. */ -#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \ - do { \ - dtors_section (); \ - fprintf (FILE, "\t%s\t ", INT_ASM_OP); \ - assemble_name (FILE, NAME); \ - fprintf (FILE, "\n"); \ - } while (0) - -/* 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 ".set" -/* Output a definition (implements alias) */ -#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ -do \ -{ \ - fprintf ((FILE), "\t%s\t", SET_ASM_OP); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, ","); \ - assemble_name (FILE, LABEL2); \ - fprintf (FILE, "\n"); \ - } \ -while (0) - -#define HOST_PTR_PRINTF "%p" -#define HOST_PTR_AS_INT unsigned long - -#define PCC_BITFIELD_TYPE_MATTERS 1 -#define PCC_BITFIELD_TYPE_TEST TYPE_NATIVE(rec) -#define GROUP_BITFIELDS_BY_ALIGN TYPE_NATIVE(rec) - -/* The following two flags are usually "off" for i386, because some non-gnu - tools (for the i386) don't handle them. However, we don't have that - problem, so.... */ - -/* 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) \ -((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). - - Apply stddef, handle (as yet unimplemented) pic. - - stddef renaming does NOT apply to Alpha. */ - -char *gen_stdcall_suffix (); - -#undef ENCODE_SECTION_INFO -#define ENCODE_SECTION_INFO(DECL) \ -do \ - { \ - if (flag_pic) \ - { \ - rtx rtl = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \ - ? TREE_CST_RTL (DECL) : DECL_RTL (DECL)); \ - SYMBOL_REF_FLAG (XEXP (rtl, 0)) \ - = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \ - || ! TREE_PUBLIC (DECL)); \ - } \ - if (TREE_CODE (DECL) == FUNCTION_DECL) \ - if (lookup_attribute ("stdcall", \ - TYPE_ATTRIBUTES (TREE_TYPE (DECL)))) \ - XEXP (DECL_RTL (DECL), 0) = \ - gen_rtx (SYMBOL_REF, Pmode, gen_stdcall_suffix (DECL)); \ - } \ -while (0) - -/* This macro gets just the user-specified name - out of the string in a SYMBOL_REF. Discard - trailing @[NUM] encoded by ENCODE_SECTION_INFO. */ -#undef STRIP_NAME_ENCODING -#define STRIP_NAME_ENCODING(VAR,SYMBOL_NAME) \ -do { \ - char *_p; \ - char *_name = SYMBOL_NAME; \ - for (_p = _name; *_p && *_p != '@'; ++_p) \ - ; \ - if (*_p == '@') \ - { \ - int _len = _p - _name; \ - (VAR) = (char *) alloca (_len + 1); \ - strncpy ((VAR), _name, _len); \ - (VAR)[_len] = '\0'; \ - } \ - else \ - (VAR) = _name; \ -} while (0) - -#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. */ - -/* 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 - -#define UNIQUE_SECTION_P(DECL) DECL_ONE_ONLY (DECL) -extern void i386_pe_unique_section (); -#define UNIQUE_SECTION(DECL,RELOC) i386_pe_unique_section (DECL, RELOC) - -#define SUPPORTS_ONE_ONLY 1 - -/* A C statement to output something to the assembler file to switch to section - NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or - NULL_TREE. Some target formats do not support arbitrary sections. Do not - define this macro in such cases. */ -#undef ASM_OUTPUT_SECTION_NAME -#define ASM_OUTPUT_SECTION_NAME(STREAM, DECL, NAME, RELOC) \ -do { \ - static struct section_info \ - { \ - struct section_info *next; \ - char *name; \ - enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \ - } *sections; \ - struct section_info *s; \ - char *mode; \ - enum sect_enum type; \ - \ - for (s = sections; s; s = s->next) \ - if (!strcmp (NAME, s->name)) \ - break; \ - \ - if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \ - type = SECT_EXEC, mode = "x"; \ - else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \ - type = SECT_RO, mode = "r"; \ - else \ - type = SECT_RW, mode = "w"; \ - \ - if (s == 0) \ - { \ - s = (struct section_info *) xmalloc (sizeof (struct section_info)); \ - s->name = xmalloc ((strlen (NAME) + 1) * sizeof (*NAME)); \ - strcpy (s->name, NAME); \ - s->type = type; \ - s->next = sections; \ - sections = s; \ - fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode); \ - /* Functions may have been compiled at various levels of \ - optimization so we can't use `same_size' here. Instead, \ - have the linker pick one. */ \ - if ((DECL) && DECL_ONE_ONLY (DECL)) \ - fprintf (STREAM, "\t.linkonce %s\n", \ - TREE_CODE (DECL) == FUNCTION_DECL \ - ? "discard" : "same_size"); \ - } \ - else \ - { \ - fprintf (STREAM, ".section\t%s,\"%s\"\n", NAME, mode); \ - } \ -} while (0) - -#endif /* 0 */ - -/* DWARF2 Unwinding doesn't work with exception handling yet. */ -#define DWARF2_UNWIND_INFO 0 - -/* Don't assume anything about the header files. */ -#define NO_IMPLICIT_EXTERN_C - |