--- /dev/null
+/* Definitions of target machine for GNU compiler, for PowerPC
+ running Windows/NT.
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+
+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. */
+
+/* Say this is Windows/NT for the other config files. */
+#define WINDOWS_NT 1
+#define COFF_WITH_PE 1
+
+/* Default ABI to compile code for */
+#define DEFAULT_ABI ABI_NT
+
+#include "rs6000/powerpc.h"
+
+/* Pseudo target that we can test in the md file. */
+#undef TARGET_WINDOWS_NT
+#define TARGET_WINDOWS_NT 1
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-DWIN32 -D_WIN32 \
+ -DWINNT -D__STDC__=0 -DALMOST_STDC \
+ -D_POWER -DPPC -Asystem(winnt) -Acpu(powerpc) -Amachine(powerpc)"
+
+#if 0
+#include "winnt/win-nt.h"
+#endif
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{mwindows:-subsystem:windows -entry:WinMainCRTStartup \
+ USER32.LIB GDI32.LIB COMDLG32.LIB WINSPOOL.LIB} \
+ %{!mwindows:-subsystem:console -entry:mainCRTStartup} \
+ %{mcrtmt:LIBCMT.LIB KERNEL32.LIB} %{!mcrtmt:LIBC.LIB KERNEL32.LIB} \
+ %{v}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{V} %{v:%{!V:-V}}"
+
+/* Allow switches specified in LIB_SPEC, but don't do anything with them
+ in the compiler. */
+#undef SUBTARGET_SWITCHES
+#define SUBTARGET_SWITCHES \
+ { "windows", 0 }, \
+ { "crtmt", 0 },
+
+#undef XCOFF_DEBUGGING_INFO
+
+/* this is pure coff, not xcoff */
+#define SDB_DEBUGGING_INFO
+#define DBX_DEBUGGING_INFO
+
+#undef SDB_DELIM
+#define SDB_DELIM ";"
+
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+#undef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_POWERPC
+
+/* NT always runs little endian */
+#undef BYTES_BIG_ENDIAN
+#define BYTES_BIG_ENDIAN 0
+
+#undef WORDS_BIG_ENDIAN
+#define WORDS_BIG_ENDIAN 0
+
+/* Define cutoff for using external functions to save floating point.
+ Currently on NT, always use inline stores */
+#undef FP_SAVE_INLINE
+#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
+
+/* Note, little endian systems trap on unaligned addresses, so never
+ turn off strict alignment in that case. */
+
+#undef STRICT_ALIGNMENT
+#define STRICT_ALIGNMENT 1
+
+/* Align stack to 16 byte boundaries */
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY 128
+
+/* No data type wants to be aligned rounder than this. */
+#undef BIGGEST_ALIGNMENT
+#define BIGGEST_ALIGNMENT 128
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (PowerPC PE)");
+
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_NO_FP_IN_TOC | MASK_NO_SUM_IN_TOC)
+
+#undef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_PPC601
+
+/* Address to save the TOC register */
+#undef RS6000_SAVE_TOC
+#define RS6000_SAVE_TOC plus_constant (virtual_incoming_args_rtx, -RS6000_SAVE_AREA - 8)
+
+/* Windows NT specifies that r13 is reserved to the OS, so it is not available
+ to the normal user. */
+
+#undef FIXED_R13
+#define FIXED_R13 1
+
+\f
+/* Output .file and comments listing what options there are */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+{ \
+ ASM_OUTPUT_OPTIONS (FILE); \
+ output_file_directive (FILE, main_input_filename); \
+}
+
+/* Define the extra sections we need. We define three: one is the read-only
+ data section which is used for constants. This is a csect whose name is
+ derived from the name of the input file. The second is for initialized
+ global variables. This is a csect whose name is that of the variable.
+ The third is the TOC. */
+
+#undef SELECT_SECTION
+
+#undef READONLY_DATA_SECTION
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS toc, bss
+
+/* Define the routines to implement these extra sections. */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ \
+void \
+toc_section () \
+{ \
+}
+
+
+#undef SELECT_RTX_SECTION
+#undef ASM_DECLARE_FUNCTION_NAME
+
+\f
+/* This says how to output an assembler line
+ to define a global common symbol. */
+
+#undef ASM_OUTPUT_ALIGNED_COMMON
+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGNMENT) \
+ do { fputs ("\t.comm \t", (FILE)); \
+ assemble_name ((FILE), (NAME)); \
+ if ( (SIZE) > 4) \
+ fprintf ((FILE), ",%d,%d\n", (SIZE), 3); \
+ else \
+ fprintf( (FILE), ",%d\n", (SIZE)); \
+ } while (0)
+
+#undef ASM_OUTPUT_ALIGNED_LOCAL
+
+/* This says how to output an assembler line
+ to define a global common symbol. */
+
+#undef ASM_OUTPUT_COMMON
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
+ do { fputs ("\t.comm \t", (FILE)); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ",%d\n", (SIZE)); } while (0)
+
+/* This says how to output an assembler line
+ to define a local common symbol. */
+
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE,ROUNDED) \
+ do { fputs ("\t.lcomm \t", (FILE)); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), ",%d\n", (SIZE)); \
+ } while (0)
+
+
+/* Stuff to force fit us into the Motorola PPC assembler */
+
+#if 0
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+{ \
+ output_file_directive (FILE, main_input_filename); \
+ fprintf (FILE, "\n#\tDirective section\n"); \
+ fprintf (FILE, "\t.section\t.drectve,\"iR\"\n"); \
+ fprintf (FILE, "\t.byte\t\"-defaultlib:LIBC\" \n"); \
+ fprintf (FILE, "\t.previous\n\n"); \
+}
+#endif
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+{ \
+ ASM_OUTPUT_OPTIONS (FILE); \
+ output_file_directive (FILE, main_input_filename); \
+ data_section (); \
+}
+
+#undef ASM_FILE_END
+
+#undef ASM_OUTPUT_FUNCTION_PREFIX
+#define ASM_OUTPUT_FUNCTION_PREFIX(FILE,NAME) \
+{ \
+ fprintf (FILE, "\n#\tFunction: '.."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "'\n"); \
+ fprintf (FILE, "#\tText in section: <%s>\n\n","default"); \
+ fprintf (FILE, "#\tSetup MS Structured-Exception-Handling\n"); \
+ fprintf (FILE, "\t.pdata\n"); \
+ fprintf (FILE, "\t.align 2\n"); \
+ fprintf (FILE, "\t.ualong .."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ","); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ".e,0,0,"); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ".b\n\n"); \
+ fprintf (FILE, "#\tSwitch to the relocation section\n"); \
+ fprintf (FILE, "\t.reldata\n"); \
+}
+
+
+#define ASM_DECLARE_FUNCTION_NAME(FILE,NAME,DECL) \
+{ \
+ if (TREE_PUBLIC (DECL)) \
+ { \
+ fprintf (FILE, "\t.globl .."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+ } \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ":\n"); \
+ fprintf (FILE, "\t.ualong .."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ",.toc\n"); \
+ fprintf (FILE, "\t.section .text\n\t.align 2\n.."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, ":\n"); \
+ fprintf (FILE, "\t.function\t.."); \
+ assemble_name (FILE, NAME); \
+ fprintf (FILE, "\n"); \
+}
+
+/* This is how to output an assembler line defining a `double' constant. */
+
+#undef ASM_OUTPUT_DOUBLE
+#define ASM_OUTPUT_DOUBLE(FILE, VALUE) \
+ { \
+ if (REAL_VALUE_ISINF (VALUE) \
+ || REAL_VALUE_ISNAN (VALUE) \
+ || REAL_VALUE_MINUS_ZERO (VALUE)) \
+ { \
+ long t[2]; \
+ REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
+ fprintf (FILE, "\t.ualong 0x%lx\n\t.long 0x%lx\n", \
+ t[0] & 0xffffffff, t[1] & 0xffffffff); \
+ } \
+ else \
+ { \
+ char str[30]; \
+ REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", str); \
+ fprintf (FILE, "\t.double %s\n", str); \
+ } \
+ }
+
+/* This is how to output an assembler line defining a `float' constant. */
+
+#undef ASM_OUTPUT_FLOAT
+#define ASM_OUTPUT_FLOAT(FILE, VALUE) \
+ { \
+ if (REAL_VALUE_ISINF (VALUE) \
+ || REAL_VALUE_ISNAN (VALUE) \
+ || REAL_VALUE_MINUS_ZERO (VALUE)) \
+ { \
+ long t; \
+ REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
+ fprintf (FILE, "\t.ualong 0x%lx\n", t & 0xffffffff); \
+ } \
+ else \
+ { \
+ char str[30]; \
+ REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
+ fprintf (FILE, "\t.float %s\n", str); \
+ } \
+ }
+
+/* Output before instructions. */
+#undef TEXT_SECTION_ASM_OP
+#define TEXT_SECTION_ASM_OP "\t.text"
+
+/* Output before writable data. */
+#undef DATA_SECTION_ASM_OP
+#define DATA_SECTION_ASM_OP "\t.data"
+
+/* Text to write out after a CALL that may be replaced by glue code by
+ the loader. The motorola asm demands that, for dll support, a .znop
+ be issued after a bl instruction, and the symbol on the .znop is the
+ symbol on the bl instruction */
+
+#undef RS6000_CALL_GLUE
+#define RS6000_CALL_GLUE "nop #\tFIXME: only works for non-dll calls."
+
+#define RS6000_CALL_GLUE2 ".znop "
+
+#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY
+
+/* Output something to declare an external symbol to the assembler. Most
+ assemblers don't need this. */
+
+#undef ASM_OUTPUT_EXTERNAL
+
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+{ rtx _symref = XEXP (DECL_RTL (DECL), 0); \
+ if ((TREE_CODE (DECL) == VAR_DECL \
+ || TREE_CODE (DECL) == FUNCTION_DECL) \
+ && (NAME)[0] != '*' \
+ && (NAME)[strlen (NAME) - 1] != ']') \
+ { \
+ char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \
+ strcpy (_name, XSTR (_symref, 0)); \
+ XSTR (_symref, 0) = _name; \
+ } \
+ fprintf (FILE, "\t.extern "); \
+ assemble_name (FILE, XSTR (_symref, 0)); \
+ if (TREE_CODE (DECL) == FUNCTION_DECL) \
+ { \
+ fprintf (FILE, "\n\t.extern .."); \
+ assemble_name (FILE, XSTR (_symref, 0)); \
+ } \
+ fprintf (FILE, "\n"); \
+}
+
+/* Similar, but for libcall. We only have to worry about the function name,
+ not that of the descriptor. */
+
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
+{ fprintf (FILE, "\t.extern .."); \
+ assemble_name (FILE, XSTR (FUN, 0)); \
+ fprintf (FILE, "\n"); \
+}
+
+
+/* Eliminate AIX style constant pool processing */
+#undef LEGITIMATE_CONSTANT_POOL_BASE_P
+#define LEGITIMATE_CONSTANT_POOL_BASE_P(X) 0
+
+#undef LEGITIMATE_CONSTANT_POOL_ADDRESS_P
+#define LEGITIMATE_CONSTANT_POOL_ADDRESS_P(X) 0
+
+#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY
+
+#undef ASM_IDENTIFY_GCC
+#define ASM_IDENTIFY_GCC(x)
+
+#undef HAS_INIT_SECTION
+#define HAS_INIT_SECTION
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