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$NetBSD: patch-ab,v 1.2 2001/04/27 10:45:22 skrll Exp $
--- ../gcc-2.95.2/gcc/config/i386/netbsd-elf.h.orig Thu Apr 26 11:53:41 2001
+++ ../gcc-2.95.2/gcc/config/i386/netbsd-elf.h
@@ -0,0 +1,164 @@
+/* Definitions of target machine for GNU compiler,
+ for i386 NetBSD systems.
+ Copyright (C) 1998 Free Software Foundation, Inc.
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* This is used on i386 platforms that use the ELF format.
+ This was taken from the NetBSD/alpha configuration, and modified
+ for NetBSD/i386 by Christos Zoulas <christos@netbsd.org> */
+
+/* Get generic i386 definitions. */
+
+/* This goes away when the math-emulator is fixed */
+#define TARGET_CPU_DEFAULT 0400 /* TARGET_NO_FANCY_MATH_387 */
+
+#include <i386/gstabs.h>
+
+/* Get perform_* macros to build libgcc.a. */
+#include <i386/perform.h>
+
+/* Get generic NetBSD ELF definitions. We will override these if necessary. */
+
+#define NETBSD_ELF
+#include <netbsd.h>
+
+#undef ASM_FINAL_SPEC
+
+/* Names to predefine in the preprocessor for this target machine. */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "\
+-Dunix -Di386 -D__NetBSD__ -D__ELF__ \
+-Asystem(unix) -Asystem(NetBSD) -Acpu(i386) -Amachine(i386)"
+
+/* Make gcc agree with <machine/ansi.h> */
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_UNSIGNED
+#define WCHAR_UNSIGNED 0
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Output assembler code to FILE to increment profiler label # LABELNO
+ for profiling a function entry. Under NetBSD/i386, the assembler does
+ nothing special with -pg. */
+
+#undef ASM_APP_ON
+#define ASM_APP_ON "#APP\n"
+
+#undef ASM_APP_OFF
+#define ASM_APP_OFF "#NO_APP\n"
+
+#define bsd4_4
+#undef HAS_INIT_SECTION
+
+/* Provide a LINK_SPEC appropriate for a NetBSD/alpha ELF target. Only
+ the linker emulation is i386-specific. The rest are
+ common to all ELF targets, except for the name of the start function. */
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+ "-m elf_i386 \
+ %{assert*} %{R*} \
+ %{shared:-shared} \
+ %{!shared: \
+ -dc -dp \
+ %{!nostdlib:%{!r*:%{!e*:-e __start}}} \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+ %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
+ %{static:-static}}"
+
+#undef DEFAULT_VTABLE_THUNKS
+#define DEFAULT_VTABLE_THUNKS 1
+
+#undef ASM_OUTPUT_ALIGN
+#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1 << (LOG))
+
+/* This is how we tell the assembler that two symbols have the same value. */
+
+#define ASM_OUTPUT_DEF(FILE,NAME1,NAME2) \
+ do { assemble_name(FILE, NAME1); \
+ fputs(" = ", FILE); \
+ assemble_name(FILE, NAME2); \
+ fputc('\n', FILE); } while (0)
+
+/*
+ * We always use gas here, so we don't worry about ECOFF assembler problems.
+ */
+#undef TARGET_GAS
+#define TARGET_GAS (1)
+
+/* 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, BODY, 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 1
+
+/* Default to pcc-struct-return, because this is the ELF abi and
+ we don't care about compatibility with older gcc versions. */
+#define DEFAULT_PCC_STRUCT_RETURN 1
+
+/* 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, "\tcall __mcount@PLT\n"); \
+ } \
+ else \
+ { \
+ fprintf (FILE, "\tcall __mcount\n"); \
+ } \
+}
+
+/* Put relocations in the constant pool in the writable data section. */
+#undef SELECT_RTX_SECTION
+#define SELECT_RTX_SECTION(MODE,RTX) \
+{ \
+ if (flag_pic && symbolic_operand (RTX)) \
+ data_section (); \
+ else \
+ readonly_data_section (); \
+}
+
+/* Use sjlj exceptions. */
+#define DWARF2_UNWIND_INFO 0
|
