1/* Core target definitions for GCC for Intel 80x86 running Netware. 2 and using dwarf for the debugging format. 3 Copyright (C) 1993, 1994, 2004 Free Software Foundation, Inc. 4 5 Written by David V. Henkel-Wallace (gumby@cygnus.com) 6 7This file is part of GCC. 8 9GCC is free software; you can redistribute it and/or modify 10it under the terms of the GNU General Public License as published by 11the Free Software Foundation; either version 2, or (at your option) 12any later version. 13 14GCC is distributed in the hope that it will be useful, 15but WITHOUT ANY WARRANTY; without even the implied warranty of 16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17GNU General Public License for more details. 18 19You should have received a copy of the GNU General Public License 20along with GCC; see the file COPYING. If not, write to 21the Free Software Foundation, 51 Franklin Street, Fifth Floor, 22Boston, MA 02110-1301, USA. */ 23 24#define TARGET_VERSION fprintf (stderr, " (x86 NetWare)"); 25 26#undef CPP_SPEC 27#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" 28 29#undef LIB_SPEC 30#define LIB_SPEC "" 31 32/* Kinda useless, but what the hell */ 33#undef LINK_SPEC 34#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \ 35 %{b} \ 36 %{Qy:} %{!Qn:-Qy}" 37 38#undef STARTFILE_SPEC 39#define STARTFILE_SPEC "" 40 41#undef ENDFILE_SPEC 42#define ENDFILE_SPEC "" 43 44#undef RELATIVE_PREFIX_NOT_LINKDIR 45#undef LIBGCC_SPEC 46 47#define TARGET_OS_CPP_BUILTINS() \ 48 do \ 49 { \ 50 builtin_define_std ("IAPX386"); \ 51 builtin_define ("_M_IX86=300"); \ 52 builtin_define ("__netware__"); \ 53 builtin_assert ("system=netware"); \ 54 builtin_define ("__ELF__"); \ 55 builtin_define ("__cdecl=__attribute__((__cdecl__))"); \ 56 builtin_define ("__stdcall=__attribute__((__stdcall__))"); \ 57 builtin_define ("__fastcall=__attribute__((__fastcall__))"); \ 58 if (!flag_iso) \ 59 { \ 60 builtin_define ("_cdecl=__attribute__((__cdecl__))"); \ 61 builtin_define ("_stdcall=__attribute__((__stdcall__))"); \ 62 builtin_define ("_fastcall=__attribute__((__fastcall__))"); \ 63 } \ 64 } \ 65 while (0) 66 67#undef TARGET_CPU_DEFAULT 68#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4 69 70/* By default, target has a 80387, uses IEEE compatible arithmetic, 71 returns float values in the 387, and uses MSVC bit field layout. */ 72#undef TARGET_SUBTARGET_DEFAULT 73#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \ 74 MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT) 75 76#undef MATH_LIBRARY 77#define MATH_LIBRARY "" 78 79/* Align doubles and long-longs in structures on qword boundaries. */ 80#undef BIGGEST_FIELD_ALIGNMENT 81#define BIGGEST_FIELD_ALIGNMENT 64 82 83#undef DEFAULT_PCC_STRUCT_RETURN 84#define DEFAULT_PCC_STRUCT_RETURN 0 85 86/* Implicit arguments pointing to aggregate return values are to be 87 removed by the caller. */ 88#undef KEEP_AGGREGATE_RETURN_POINTER 89#define KEEP_AGGREGATE_RETURN_POINTER 1 90 91#undef DBX_REGISTER_NUMBER 92#define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n]) 93 94/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */ 95#define HANDLE_PRAGMA_PACK_PUSH_POP 96 97/* Default structure packing is 1-byte. */ 98#define TARGET_DEFAULT_PACK_STRUCT 1 99 100#undef WCHAR_TYPE 101#define WCHAR_TYPE "short unsigned int" 102 103#undef WCHAR_TYPE_SIZE 104#define WCHAR_TYPE_SIZE 16 105 106#undef WINT_TYPE 107#define WINT_TYPE "int" 108 109/* A C statement (sans semicolon) to output to the stdio stream 110 FILE the assembler definition of uninitialized global DECL named 111 NAME whose size is SIZE bytes and alignment is ALIGN bytes. 112 Try to use asm_output_aligned_bss to implement this macro. */ 113 114#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ 115 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) 116 117/* Handle special EH pointer encodings. Absolute, pc-relative, and 118 indirect are handled automatically. */ 119#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \ 120 do { \ 121 if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \ 122 { \ 123 fputs (ASM_LONG, FILE); \ 124 assemble_name (FILE, XSTR (ADDR, 0)); \ 125 fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \ 126 goto DONE; \ 127 } \ 128 } while (0) 129 130/* there is no TLS support in NLMs/on NetWare */ 131#undef HAVE_AS_TLS 132 133#define HAS_INIT_SECTION 134#undef INIT_SECTION_ASM_OP 135 136#define CTOR_LISTS_DEFINED_EXTERNALLY 137 138#undef READONLY_DATA_SECTION_ASM_OP 139#define READONLY_DATA_SECTION_ASM_OP ".section\t.rodata" 140 141/* Define this macro if references to a symbol must be treated 142 differently depending on something about the variable or 143 function named by the symbol (such as what section it is in). 144 145 On i386 running NetWare, modify the assembler name with an underscore (_) 146 prefix and a suffix consisting of an atsign (@) followed by a string of 147 digits that represents the number of bytes of arguments passed to the 148 function, if it has the attribute STDCALL. Alternatively, if it has the 149 REGPARM attribute, prefix it with an underscore (_), a digit representing 150 the number of registers used, and an atsign (@). */ 151void i386_nlm_encode_section_info (tree, rtx, int); 152const char *i386_nlm_strip_name_encoding (const char *); 153#undef TARGET_ENCODE_SECTION_INFO 154#define TARGET_ENCODE_SECTION_INFO i386_nlm_encode_section_info 155#undef TARGET_STRIP_NAME_ENCODING 156#define TARGET_STRIP_NAME_ENCODING i386_nlm_strip_name_encoding 157