126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/* Definitions of target machine for GCC,
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for i386/ELF NetBSD systems.
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Copyright (C) 2001, 2002 Free Software Foundation, Inc.
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Contributed by matthew green <mrg@eterna.com.au>
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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 2, 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 COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define TARGET_OS_CPP_BUILTINS() \
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do \
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{ \
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NETBSD_OS_CPP_BUILTINS_ELF(); \
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} \
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while (0)
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/* Extra specs needed for NetBSD/i386 ELF. */
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#undef SUBTARGET_EXTRA_SPECS
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#define SUBTARGET_EXTRA_SPECS \
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{ "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
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{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
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/* Provide a LINK_SPEC appropriate for a NetBSD/i386 ELF target. */
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#undef LINK_SPEC
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#define LINK_SPEC NETBSD_LINK_SPEC_ELF
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#define NETBSD_ENTRY_POINT "__start"
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/* Provide a CPP_SPEC appropriate for NetBSD. */
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#undef CPP_SPEC
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#define CPP_SPEC "%(netbsd_cpp_spec)"
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/* Make gcc agree with <machine/ansi.h> */
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#undef SIZE_TYPE
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#define SIZE_TYPE "unsigned int"
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "int"
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#undef ASM_APP_ON
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#define ASM_APP_ON "#APP\n"
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#undef ASM_APP_OFF
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#define ASM_APP_OFF "#NO_APP\n"
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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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/* Output assembler code to FILE to call the profiler. */
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#undef NO_PROFILE_COUNTERS
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#define NO_PROFILE_COUNTERS 1
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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{ \
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if (flag_pic) \
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fprintf (FILE, "\tcall __mcount@PLT\n"); \
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else \
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fprintf (FILE, "\tcall __mcount\n"); \
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}
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#undef HAS_INIT_SECTION
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/* This is how we tell the assembler that two symbols have the same value. */
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#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
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do { assemble_name(FILE, NAME1); \
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fputs(" = ", FILE); \
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assemble_name(FILE, NAME2); \
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fputc('\n', FILE); } while (0)
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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This is used to align code labels according to Intel recommendations. */
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#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE, LOG, MAX_SKIP) \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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}
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#endif
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/* We always use gas here, so we don't worry about ECOFF assembler
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problems. */
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#undef TARGET_GAS
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#define TARGET_GAS 1
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/* Default to pcc-struct-return, because this is the ELF abi and
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we don't care about compatibility with older gcc versions. */
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#define DEFAULT_PCC_STRUCT_RETURN 1
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/* Attempt to enable execute permissions on the stack. */
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#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
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#define TARGET_VERSION fprintf (stderr, " (NetBSD/i386 ELF)");
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