171 lines
5.7 KiB
C
171 lines
5.7 KiB
C
/* Core target definitions for GCC for Intel 80x86 running Netware.
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and using dwarf for the debugging format.
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Copyright (C) 1993, 1994, 2004, 2007, 2008 Free Software Foundation, Inc.
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Written by David V. Henkel-Wallace (gumby@cygnus.com)
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
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#undef LIB_SPEC
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#define LIB_SPEC ""
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/* Kinda useless, but what the hell */
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#undef LINK_SPEC
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#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
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%{b} \
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%{Qy:} %{!Qn:-Qy}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC ""
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC ""
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#undef RELATIVE_PREFIX_NOT_LINKDIR
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#undef LIBGCC_SPEC
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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builtin_define_std ("IAPX386"); \
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builtin_define ("_M_IX86=300"); \
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builtin_define ("__netware__"); \
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builtin_assert ("system=netware"); \
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builtin_define ("__ELF__"); \
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builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
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builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
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builtin_define ("__fastcall=__attribute__((__fastcall__))"); \
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if (!flag_iso) \
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{ \
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builtin_define ("_cdecl=__attribute__((__cdecl__))"); \
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builtin_define ("_stdcall=__attribute__((__stdcall__))"); \
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builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
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} \
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} \
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while (0)
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#undef TARGET_CPU_DEFAULT
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#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
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/* By default, target has a 80387, uses IEEE compatible arithmetic,
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returns float values in the 387, and uses MSVC bit field layout. */
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#undef TARGET_SUBTARGET_DEFAULT
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#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
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MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
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/* Don't allow flag_pic to propagate since invalid relocations will
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result otherwise. */
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#define SUBTARGET_OVERRIDE_OPTIONS \
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do { \
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if (flag_pic) \
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{ \
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error ("-fPIC and -fpic are not supported for this target"); \
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flag_pic = 0; \
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} \
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} while (0)
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#undef MATH_LIBRARY
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#define MATH_LIBRARY ""
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/* Align doubles and long-longs in structures on qword boundaries. */
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#undef BIGGEST_FIELD_ALIGNMENT
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#define BIGGEST_FIELD_ALIGNMENT 64
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#undef DEFAULT_PCC_STRUCT_RETURN
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#define DEFAULT_PCC_STRUCT_RETURN 0
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/* Implicit arguments pointing to aggregate return values are to be
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removed by the caller. */
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#undef KEEP_AGGREGATE_RETURN_POINTER
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#define KEEP_AGGREGATE_RETURN_POINTER 1
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#undef ASM_COMMENT_START
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#define ASM_COMMENT_START "#"
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#undef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
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/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */
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#define HANDLE_PRAGMA_PACK_PUSH_POP
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/* Default structure packing is 1-byte. */
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#define TARGET_DEFAULT_PACK_STRUCT 1
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "short unsigned int"
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 16
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#undef WINT_TYPE
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#define WINT_TYPE "int"
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/* A C statement (sans semicolon) to output to the stdio stream
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FILE the assembler definition of uninitialized global DECL named
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NAME whose size is SIZE bytes and alignment is ALIGN bytes.
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Try to use asm_output_aligned_bss to implement this macro. */
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* Handle special EH pointer encodings. Absolute, pc-relative, and
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indirect are handled automatically. */
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#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
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do { \
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if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \
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{ \
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fputs (ASM_LONG, FILE); \
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assemble_name (FILE, XSTR (ADDR, 0)); \
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fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
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goto DONE; \
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} \
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} while (0)
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/* there is no TLS support in NLMs/on NetWare */
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#undef HAVE_AS_TLS
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#define HAS_INIT_SECTION
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#undef INIT_SECTION_ASM_OP
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#define CTOR_LISTS_DEFINED_EXTERNALLY
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#undef READONLY_DATA_SECTION_ASM_OP
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#define READONLY_DATA_SECTION_ASM_OP ".section\t.rodata"
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/* Define this macro if references to a symbol must be treated
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differently depending on something about the variable or
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function named by the symbol (such as what section it is in).
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On i386 running NetWare, modify the assembler name with an underscore (_)
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or atsign (@) prefix and a suffix consisting of an atsign (@) followed by
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a string of digits that represents the number of bytes of arguments passed
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to the function, if it has the attribute STDCALL. Alternatively, if it has
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the REGPARM attribute, prefix it with an underscore (_), a digit
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representing the number of registers used, and an atsign (@). */
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void i386_nlm_encode_section_info (tree, rtx, int);
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extern tree i386_nlm_mangle_decl_assembler_name (tree, tree);
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const char *i386_nlm_strip_name_encoding (const char *);
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#define SUBTARGET_ENCODE_SECTION_INFO i386_nlm_encode_section_info
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#define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_nlm_mangle_decl_assembler_name
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#undef TARGET_STRIP_NAME_ENCODING
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#define TARGET_STRIP_NAME_ENCODING i386_nlm_strip_name_encoding
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