/* Definitions for Intel 386 running DragonFly with ELF format Copyright (C) 2014-2017 Free Software Foundation, Inc. Contributed by John Marino <gnugcc@marino.st> 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. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ /* Override the default comment-starter of "/". */ #undef ASM_COMMENT_START #define ASM_COMMENT_START "#" #undef ASM_APP_ON #define ASM_APP_ON "#APP\n" #undef ASM_APP_OFF #define ASM_APP_OFF "#NO_APP\n" #undef DBX_REGISTER_NUMBER #define DBX_REGISTER_NUMBER(n) \ (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) #undef NO_PROFILE_COUNTERS #define NO_PROFILE_COUNTERS 1 /* Tell final.c that we don't need a label passed to mcount. */ #undef MCOUNT_NAME #define MCOUNT_NAME ".mcount" /* Make gcc agree with <machine/ansi.h>. */ #undef SIZE_TYPE #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") #undef PTRDIFF_TYPE #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE (TARGET_64BIT ? 32 : BITS_PER_WORD) #undef SUBTARGET_EXTRA_SPECS /* i386.h bogusly defines it. */ #define SUBTARGET_EXTRA_SPECS \ { "dfbsd_dynamic_linker", DFBSD_DYNAMIC_LINKER } /* A C statement to output to the stdio stream FILE an assembler command to advance the location counter to a multiple of 1<<LOG bytes if it is within MAX_SKIP bytes. This is used to align code labels according to Intel recommendations. */ #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN #undef ASM_OUTPUT_MAX_SKIP_ALIGN #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \ if ((LOG) != 0) { \ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ } #endif /* Don't default to pcc-struct-return, we want to retain compatibility with older gcc versions AND pcc-struct-return is nonreentrant. (even though the SVR4 ABI for the i386 says that records and unions are returned in memory). */ #undef DEFAULT_PCC_STRUCT_RETURN #define DEFAULT_PCC_STRUCT_RETURN 0 /* DragonFly sets the rounding precision of the FPU to 53 bits. Let the compiler get the contents of <float.h> and std::numeric_limits correct. */ #undef TARGET_96_ROUND_53_LONG_DOUBLE #define TARGET_96_ROUND_53_LONG_DOUBLE (!TARGET_64BIT) /* Static stack checking is supported by means of probes. */ #define STACK_CHECK_STATIC_BUILTIN 1 /* Support for i386 was removed from DragonFly in 2007 */ #define SUBTARGET32_DEFAULT_CPU "i486" #define TARGET_ASM_FILE_END file_end_indicate_exec_stack |