mirror of
https://github.com/pmret/gcc-papermario.git
synced 2024-11-08 20:02:47 +01:00
246 lines
8.6 KiB
C
246 lines
8.6 KiB
C
/* Definitions of target machine for GNU compiler for Intel 80386
|
||
running FreeBSD.
|
||
Copyright (C) 1988, 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
|
||
Contributed by Poul-Henning Kamp <phk@login.dkuug.dk>
|
||
|
||
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. */
|
||
|
||
/* This goes away when the math-emulator is fixed */
|
||
#define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
|
||
|
||
/* This is tested by i386gas.h. */
|
||
#define YES_UNDERSCORES
|
||
|
||
/* Don't assume anything about the header files. */
|
||
#define NO_IMPLICIT_EXTERN_C
|
||
|
||
#include "i386/gstabs.h"
|
||
|
||
/* Get perform_* macros to build libgcc.a. */
|
||
#include "i386/perform.h"
|
||
|
||
#undef CPP_PREDEFINES
|
||
#define CPP_PREDEFINES "-Dunix -Di386 -D__FreeBSD__ -D__386BSD__ -Asystem(unix) -Asystem(FreeBSD) -Acpu(i386) -Amachine(i386)"
|
||
|
||
/* Like the default, except no -lg. */
|
||
#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
|
||
|
||
#undef SIZE_TYPE
|
||
#define SIZE_TYPE "unsigned int"
|
||
|
||
#undef PTRDIFF_TYPE
|
||
#define PTRDIFF_TYPE "int"
|
||
|
||
#undef WCHAR_TYPE
|
||
#define WCHAR_TYPE "short unsigned int"
|
||
|
||
#define WCHAR_UNSIGNED 1
|
||
|
||
#undef WCHAR_TYPE_SIZE
|
||
#define WCHAR_TYPE_SIZE 16
|
||
|
||
#define HAVE_ATEXIT
|
||
|
||
#undef ASM_APP_ON
|
||
#define ASM_APP_ON "#APP\n"
|
||
|
||
#undef ASM_APP_OFF
|
||
#define ASM_APP_OFF "#NO_APP\n"
|
||
|
||
/* The following macros are stolen from i386v4.h */
|
||
/* These have to be defined to get PIC code correct */
|
||
|
||
/* 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. */
|
||
|
||
#undef ASM_OUTPUT_ADDR_DIFF_ELT
|
||
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
|
||
fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\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
|
||
|
||
/* Don't default to pcc-struct-return, because gcc is the only compiler, and
|
||
we want to retain compatibility with older gcc versions. */
|
||
#define DEFAULT_PCC_STRUCT_RETURN 0
|
||
|
||
/* Profiling routines, partially copied from i386/osfrose.h. */
|
||
|
||
/* Redefine this to use %eax instead of %edx. */
|
||
#undef FUNCTION_PROFILER
|
||
#define FUNCTION_PROFILER(FILE, LABELNO) \
|
||
{ \
|
||
if (flag_pic) \
|
||
{ \
|
||
fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%eax\n", \
|
||
LPREFIX, (LABELNO)); \
|
||
fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n"); \
|
||
} \
|
||
else \
|
||
{ \
|
||
fprintf (FILE, "\tmovl $%sP%d,%%eax\n", LPREFIX, (LABELNO)); \
|
||
fprintf (FILE, "\tcall mcount\n"); \
|
||
} \
|
||
}
|
||
|
||
/*
|
||
* Some imports from svr4.h in support of shared libraries.
|
||
* Currently, we need the DECLARE_OBJECT_SIZE stuff.
|
||
*/
|
||
|
||
/* Define the strings used for the special svr4 .type and .size directives.
|
||
These strings generally do not vary from one system running svr4 to
|
||
another, but if a given system (e.g. m88k running svr) needs to use
|
||
different pseudo-op names for these, they may be overridden in the
|
||
file which includes this one. */
|
||
|
||
#define TYPE_ASM_OP ".type"
|
||
#define SIZE_ASM_OP ".size"
|
||
|
||
/* The following macro defines the format used to output the second
|
||
operand of the .type assembler directive. Different svr4 assemblers
|
||
expect various different forms for this operand. The one given here
|
||
is just a default. You may need to override it in your machine-
|
||
specific tm.h file (depending upon the particulars of your assembler). */
|
||
|
||
#define TYPE_OPERAND_FMT "@%s"
|
||
|
||
/* Write the extra assembler code needed to declare a function's result.
|
||
Most svr4 assemblers don't require any special declaration of the
|
||
result value, but there are exceptions. */
|
||
|
||
#ifndef ASM_DECLARE_RESULT
|
||
#define ASM_DECLARE_RESULT(FILE, RESULT)
|
||
#endif
|
||
|
||
/* These macros generate the special .type and .size directives which
|
||
are used to set the corresponding fields of the linker symbol table
|
||
entries in an ELF object file under SVR4. These macros also output
|
||
the starting labels for the relevant functions/objects. */
|
||
|
||
/* Write the extra assembler code needed to declare a function properly.
|
||
Some svr4 assemblers need to also have something extra said about the
|
||
function's return value. We allow for that here. */
|
||
|
||
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
|
||
do { \
|
||
fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
|
||
assemble_name (FILE, NAME); \
|
||
putc (',', FILE); \
|
||
fprintf (FILE, TYPE_OPERAND_FMT, "function"); \
|
||
putc ('\n', FILE); \
|
||
ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
|
||
ASM_OUTPUT_LABEL(FILE, NAME); \
|
||
} while (0)
|
||
|
||
/* Write the extra assembler code needed to declare an object properly. */
|
||
|
||
#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \
|
||
do { \
|
||
fprintf (FILE, "\t%s\t ", TYPE_ASM_OP); \
|
||
assemble_name (FILE, NAME); \
|
||
putc (',', FILE); \
|
||
fprintf (FILE, TYPE_OPERAND_FMT, "object"); \
|
||
putc ('\n', FILE); \
|
||
size_directive_output = 0; \
|
||
if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \
|
||
{ \
|
||
size_directive_output = 1; \
|
||
fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
|
||
assemble_name (FILE, NAME); \
|
||
fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL))); \
|
||
} \
|
||
ASM_OUTPUT_LABEL(FILE, NAME); \
|
||
} while (0)
|
||
|
||
/* Output the size directive for a decl in rest_of_decl_compilation
|
||
in the case where we did not do so before the initializer.
|
||
Once we find the error_mark_node, we know that the value of
|
||
size_directive_output was set
|
||
by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */
|
||
|
||
#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \
|
||
do { \
|
||
char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \
|
||
if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \
|
||
&& ! AT_END && TOP_LEVEL \
|
||
&& DECL_INITIAL (DECL) == error_mark_node \
|
||
&& !size_directive_output) \
|
||
{ \
|
||
fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
|
||
assemble_name (FILE, name); \
|
||
fprintf (FILE, ",%d\n", int_size_in_bytes (TREE_TYPE (DECL)));\
|
||
} \
|
||
} while (0)
|
||
|
||
|
||
/* This is how to declare the size of a function. */
|
||
|
||
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
|
||
do { \
|
||
if (!flag_inhibit_size_directive) \
|
||
{ \
|
||
char label[256]; \
|
||
static int labelno; \
|
||
labelno++; \
|
||
ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
|
||
ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
|
||
fprintf (FILE, "\t%s\t ", SIZE_ASM_OP); \
|
||
assemble_name (FILE, (FNAME)); \
|
||
fprintf (FILE, ","); \
|
||
assemble_name (FILE, label); \
|
||
fprintf (FILE, "-"); \
|
||
assemble_name (FILE, (FNAME)); \
|
||
putc ('\n', FILE); \
|
||
} \
|
||
} while (0)
|
||
|
||
#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k}"
|
||
#define LINK_SPEC \
|
||
"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
|
||
|
||
/* This is defined when gcc is compiled in the BSD-directory-tree, and must
|
||
* make up for the gap to all the stuff done in the GNU-makefiles.
|
||
*/
|
||
|
||
#ifdef FREEBSD_NATIVE
|
||
|
||
#define INCLUDE_DEFAULTS { \
|
||
{ "/usr/include", 0, 0, 0 }, \
|
||
{ "/usr/include/g++", "G++", 1, 1 }, \
|
||
{ 0, 0, 0, 0} \
|
||
}
|
||
|
||
#undef MD_EXEC_PREFIX
|
||
#define MD_EXEC_PREFIX "/usr/libexec/"
|
||
|
||
#undef STANDARD_STARTFILE_PREFIX
|
||
#define STANDARD_STARTFILE_PREFIX "/usr/lib"
|
||
|
||
#if 0 /* This is very wrong!!! */
|
||
#define DEFAULT_TARGET_MACHINE "i386-unknown-freebsd_1.0"
|
||
#define GPLUSPLUS_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
|
||
#define TOOL_INCLUDE_DIR "/usr/local/i386-unknown-freebsd_1.0/include"
|
||
#define GCC_INCLUDE_DIR "/usr/local/lib/gcc-lib/i386-unknown-freebsd_1.0/2.5.8/include"
|
||
#endif
|
||
|
||
#endif /* FREEBSD_NATIVE */
|