[gcc.git] / gcc / config / m88k / dgux.h

/* Definitions of target machine for GNU compiler.
   Motorola m88100 running DG/UX.
   Copyright (C) 1988, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
   Contributed by Michael Tiemann (tiemann@mcc.com)
   Currently maintained by (gcc@dg-rtp.dg.com)

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.  */

/* You're not seeing double!  To transition to dwarf debugging, both are
   supported.  The option -msvr4 specifies elf.  With these combinations, 
   -g means dwarf.  */
/* DWARF_DEBUGGING_INFO defined in svr4.h.  */
#define SDB_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE \
  (TARGET_SVR4 ? DWARF_DEBUG : SDB_DEBUG)

#ifndef VERSION_INFO2
#define VERSION_INFO2   "$Revision: 1.24 $"
#endif
#ifndef NO_BUGS
#define AS_BUG_IMMEDIATE_LABEL
/* The DG/UX 4.30 assembler doesn't accept the symbol `fcr63'.  */
#define AS_BUG_FLDCR
#endif

#include "svr4.h"
#include "m88k/m88k.h"

/* Augment TARGET_SWITCHES with the MXDB options.  */
#define MASK_STANDARD		0x40000000 /* Retain standard information */
#define MASK_NOLEGEND		0x20000000 /* Discard legend information */
#define MASK_EXTERNAL_LEGEND	0x10000000 /* Make external legends */

#define TARGET_STANDARD		  (target_flags & MASK_STANDARD)
#define TARGET_NOLEGEND		  (target_flags & MASK_NOLEGEND)
#define TARGET_EXTERNAL_LEGEND	  (target_flags & MASK_EXTERNAL_LEGEND)

#undef  SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
    { "standard",			 MASK_STANDARD }, \
    { "legend",				-MASK_NOLEGEND }, \
    { "no-legend",			 MASK_NOLEGEND }, \
    { "external-legend",		 MASK_EXTERNAL_LEGEND }, \
    /* the following is used only in the *_SPEC's */ \
    { "keep-coff",			 0 },

/* Default switches */
#undef	TARGET_DEFAULT
#define TARGET_DEFAULT	(MASK_CHECK_ZERO_DIV	 | \
			 MASK_OCS_DEBUG_INFO	 | \
			 MASK_OCS_FRAME_POSITION | \
			 MASK_STANDARD		 | \
			 MASK_SVR4)
#undef	CPU_DEFAULT
#define CPU_DEFAULT MASK_88000

/* Macros to be automatically defined.  __svr4__ is our extension.
   __CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
   files with DG/UX revision 5.40 and later.  This allows GNU CC to
   operate without installing the header files.  */

#undef	CPP_PREDEFINES
#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
   -D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"

/* If -m88100 is in effect, add -Dm88100; similarly for -m88110.
   Here, the CPU_DEFAULT is assumed to be -m88000.  If not -ansi,
   -traditional, or restricting include files to one specific source
   target, specify full DG/UX features.  */
#undef	CPP_SPEC
#define	CPP_SPEC "%(cpp_cpu) %{msvr3:-D_M88KBCS_TARGET} %{!msvr3:-D_DGUX_TARGET}"

/* Assembler support (-V, silicon filter, legends for mxdb).  */
#undef	ASM_SPEC
#define ASM_SPEC "%{pipe:%{!.s: - }\
		   %{!msvr3:%{!m88110:-KV3 }%{m88110:-KV04.00 }}}\
		  %(asm_cpu)"

/* Override svr4.h.  */
#undef	ASM_FINAL_SPEC
#undef	STARTFILE_SPEC

/* Linker and library spec's.
   -msvr4 is the default if -msvr3 is not specified.
   -static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
   -svr4 instructs gcc to place /usr/lib/values-X[cat].o on the link line.
   -msvr3 indicates linking done in a COFF environment and the link
   script is added to the link line.  In all environments, the first
   and last objects are crtbegin.o (or bcscrtbegin.o) and crtend.o.
   When the -G link option is used (-shared and -symbolic) a final
   link is not being done.  */
#undef  ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s"
#undef	LIB_SPEC
#define LIB_SPEC "%{!msvr3:%{!shared:-lstaticdgc}} %{!shared:%{!symbolic:-lc}}"
#undef	LINK_SPEC
#define LINK_SPEC "%{z*} %{h*} %{v:-V} \
		   %{static:-dn -Bstatic} \
		   %{shared:-G -dy} \
		   %{symbolic:-Bsymbolic -G -dy} \
		   %{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
#undef	STARTFILE_SPEC
#define STARTFILE_SPEC "%(startfile_default)"


/* This macro defines names of additional specifications to put in the specs
   that can be used in various specifications like CC1_SPEC.  Its definition
   is an initializer with a subgrouping for each command option.

   Each subgrouping contains a string constant, that defines the
   specification name, and a string constant that used by the GNU CC driver
   program.

   Do not define this macro if it does not need to do anything.  */

#define EXTRA_SPECS                                     \
  { "cpp_cpu",          CPP_CPU_SPEC },                 \
  { "asm_cpu",          ASM_CPU_SPEC },                 \
  { "startfile_default", STARTFILE_DEFAULT_SPEC },  \
  { "startfile_crtbegin", STARTFILE_CRTBEGIN_SPEC }
   
#define ASM_CPU_SPEC "\
		  %{v:-V}\
		  %{g:\
		  %{mno-legend:-Wc,off}\
		  %{!mno-legend:-Wc,-fix-bb,-s\"%i\"\
		  %{traditional:,-lc}\
		  %{!traditional:,-lansi-c}\
		  %{mstandard:,-keep-std}\
		  %{mexternal-legend:,-external}\
		  %{mocs-frame-position:,-ocs}}}"

#define CPP_CPU_SPEC "\
                  %{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
		  %{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
		  %{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"

#define STARTFILE_DEFAULT_SPEC "\
                        %{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
			 %{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
			  %(startfile_crtbegin) \
			 %{svr4:%{ansi:/lib/values-Xc.o} \
			  %{!ansi:%{traditional:/lib/values-Xt.o} \
			   %{!traditional:/usr/lib/values-Xa.o}}}}}"

#define STARTFILE_CRTBEGIN_SPEC "\
			 %{msvr3:m88kdgux.ld%s bcscrtbegin.o%s} \
			 %{!msvr3:crtbegin.o%s}"

#undef	GPLUSPLUS_INCLUDE_DIR
#define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"

/* Fast DG/UX version of profiler that does not require lots of
   registers to be stored.  */
#undef	FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
  output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)

/* Output the legend info for mxdb when debugging except if standard
   debugging information only is explicitly requested.  */
#undef  ASM_FIRST_LINE
#define ASM_FIRST_LINE(FILE)						\
  do {									\
    if (TARGET_SVR4)							\
      {									\
	if (TARGET_88110)						\
	  fprintf (FILE, "\t%s\t \"%s\"\n", VERSION_ASM_OP, "04.00");   \
	else								\
	  fprintf (FILE, "\t%s\t \"%s\"\n", VERSION_ASM_OP, "03.00");   \
      }									\
    if (write_symbols != NO_DEBUG && !TARGET_NOLEGEND)			\
      {									\
	fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"",	\
		 VERSION_STRING, main_input_filename);			\
	fputs (flag_traditional ? " -lc" : " -lansi-c", FILE);		\
	if (TARGET_STANDARD)						\
	  fputs (" -keep-std", FILE);					\
	if (TARGET_EXTERNAL_LEGEND)					\
	  fputs (" -external", FILE);					\
	if (TARGET_OCS_FRAME_POSITION)					\
	  fputs (" -ocs", FILE);					\
	fputc ('\n', FILE);						\
      }									\
  } while (0)

/* Override svr4.h.  */
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE

/* Override svr4.h and m88k.h except when compiling crtstuff.c.  These must
   be constant strings when compiling crtstuff.c.  Otherwise, respect the
   -mversion-STRING option used.  */
#undef INIT_SECTION_PREAMBLE
#undef INIT_SECTION_ASM_OP
#undef FINI_SECTION_ASM_OP
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP

#if defined (CRT_BEGIN) || defined (CRT_END) || defined (L__main)
/* routines to invoke global constructors and destructors are always COFF 
   to enable linking mixed COFF and ELF objects */
#define FINI_SECTION_ASM_OP ("section  .fini,\"x\"")
#ifndef BCS
#define INIT_SECTION_PREAMBLE asm ("\taddu\tr31,r31,0x20")
#endif
#undef	INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP ("section\t .init,\"x\"")
#undef	CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP ("section\t .ctors,\"d\"")
#undef	DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP ("section\t .dtors,\"d\"")
#undef OBJECT_FORMAT_ELF
#else
#undef        INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP (TARGET_SVR4                      \
                           ? "section\t .init,\"xa\""         \
                           : "section\t .init,\"x\"")
#undef        CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP (TARGET_SVR4                     \
                            ? "section\t .ctors,\"aw\""       \
                            : "section\t .ctors,\"d\"")
#undef        DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP (TARGET_SVR4                     \
                            ? "section\t .dtors,\"aw\""       \
                            : "section\t .dtors,\"d\"")
#endif /* crtstuff.c */

/* The lists of global object constructors and global destructors are always
   placed in the .ctors/.dtors sections.  This requires the use of a link
   script if the COFF linker is used, but otherwise COFF and ELF objects
   can be intermixed.  A COFF object will pad the section to 16 bytes with
   zeros; and ELF object will not contain padding.  We deal with this by
   putting a -1 marker at the begin and end of the list and ignoring zero
   entries.  */

/* Mark the end of the .ctors/.dtors sections with a -1.  */

#define CTOR_LIST_BEGIN			\
asm (CTORS_SECTION_ASM_OP);		\
func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) }

#define CTOR_LIST_END			\
asm (CTORS_SECTION_ASM_OP);		\
func_ptr __CTOR_END__[1] = { (func_ptr) (-1) }

#define DTOR_LIST_BEGIN			\
asm (DTORS_SECTION_ASM_OP);		\
func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) }

#define DTOR_LIST_END			\
asm (DTORS_SECTION_ASM_OP);		\
func_ptr __DTOR_END__[1] = { (func_ptr) (-1) }

/* Walk the list ignoring NULL entries till we hit the terminating -1.  */
#define DO_GLOBAL_CTORS_BODY				\
  do {							\
    int i;						\
    for (i=1;(int)(__CTOR_LIST__[i]) != -1; i++)	\
      if (((int *)__CTOR_LIST__)[i] != 0)		\
	__CTOR_LIST__[i] ();				\
  } while (0)					

/* Walk the list looking for the terminating -1 that marks the end.
   Go backward and ignore any NULL entries.  */
#define DO_GLOBAL_DTORS_BODY				\
  do {							\
    int i;						\
    for (i=1;(int)(__DTOR_LIST__[i]) != -1; i++);	\
    for (i-=1;(int)(__DTOR_LIST__[i]) != -1; i--)	\
      if (((int *)__DTOR_LIST__)[i] != 0)		\
	__DTOR_LIST__[i] ();				\
  } while (0)					

/* The maximum alignment which the object file format can support.
   page alignment would seem to be enough */
#undef MAX_OFILE_ALIGNMENT
#define MAX_OFILE_ALIGNMENT 0x1000

/* Must use data section for relocatable constants when pic.  */
#undef SELECT_RTX_SECTION
#define SELECT_RTX_SECTION(MODE,RTX)            \
{                                               \
  if (flag_pic && symbolic_operand (RTX))       \
    data_section ();                            \
  else                                          \
    const_section ();                           \
}
Commit	Line	Data
81910840 TW	1	/* Definitions of target machine for GNU compiler.
81910840 TW	2	Motorola m88100 running DG/UX.
44ae13fb	3	Copyright (C) 1988, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
81910840	4	Contributed by Michael Tiemann (tiemann@mcc.com)
1f29c913	5	Currently maintained by (gcc@dg-rtp.dg.com)
81910840 TW	6
	7	This file is part of GNU CC.
	8
	9	GNU CC is free software; you can redistribute it and/or modify
	10	it under the terms of the GNU General Public License as published by
	11	the Free Software Foundation; either version 2, or (at your option)
	12	any later version.
	13
	14	GNU CC is distributed in the hope that it will be useful,
	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with GNU CC; see the file COPYING. If not, write to
0e29e3c9 RK	21	the Free Software Foundation, 59 Temple Place - Suite 330,
0e29e3c9 RK	22	Boston, MA 02111-1307, USA. */
81910840 TW	23
81910840 TW	24	/* You're not seeing double! To transition to dwarf debugging, both are
50eb31b2 SC	25	supported. The option -msvr4 specifies elf. With these combinations,
50eb31b2 SC	26	-g means dwarf. */
81910840 TW	27	/* DWARF_DEBUGGING_INFO defined in svr4.h. */
	28	#define SDB_DEBUGGING_INFO
	29	#define PREFERRED_DEBUGGING_TYPE \
50eb31b2	30	(TARGET_SVR4 ? DWARF_DEBUG : SDB_DEBUG)
81910840	31
50eb31b2	32	#ifndef VERSION_INFO2
861bb6c1	33	#define VERSION_INFO2 "$Revision: 1.24 $"
50eb31b2	34	#endif
81910840 TW	35	#ifndef NO_BUGS
81910840 TW	36	#define AS_BUG_IMMEDIATE_LABEL
29f10484 TW	37	/* The DG/UX 4.30 assembler doesn't accept the symbol `fcr63'. */
29f10484 TW	38	#define AS_BUG_FLDCR
81910840 TW	39	#endif
	40
	41	#include "svr4.h"
16a2f60e	42	#include "m88k/m88k.h"
81910840 TW	43
	44	/* Augment TARGET_SWITCHES with the MXDB options. */
	45	#define MASK_STANDARD 0x40000000 /* Retain standard information */
cbbb4649	46	#define MASK_NOLEGEND 0x20000000 /* Discard legend information */
81910840 TW	47	#define MASK_EXTERNAL_LEGEND 0x10000000 /* Make external legends */
	48
	49	#define TARGET_STANDARD (target_flags & MASK_STANDARD)
cbbb4649	50	#define TARGET_NOLEGEND (target_flags & MASK_NOLEGEND)
81910840 TW	51	#define TARGET_EXTERNAL_LEGEND (target_flags & MASK_EXTERNAL_LEGEND)
	52
	53	#undef SUBTARGET_SWITCHES
	54	#define SUBTARGET_SWITCHES \
	55	{ "standard", MASK_STANDARD }, \
cbbb4649 SC	56	{ "legend", -MASK_NOLEGEND }, \
cbbb4649 SC	57	{ "no-legend", MASK_NOLEGEND }, \
81910840 TW	58	{ "external-legend", MASK_EXTERNAL_LEGEND }, \
	59	/* the following is used only in the _SPEC's / \
	60	{ "keep-coff", 0 },
	61
	62	/* Default switches */
	63	#undef TARGET_DEFAULT
	64	#define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV \| \
	65	MASK_OCS_DEBUG_INFO \| \
1f29c913	66	MASK_OCS_FRAME_POSITION \| \
4be40f36	67	MASK_STANDARD \| \
1f29c913	68	MASK_SVR4)
454e0348 TW	69	#undef CPU_DEFAULT
454e0348 TW	70	#define CPU_DEFAULT MASK_88000
81910840 TW	71
	72	/* Macros to be automatically defined. __svr4__ is our extension.
	73	__CLASSIFY_TYPE__ is used in the <varargs.h> and <stdarg.h> header
	74	files with DG/UX revision 5.40 and later. This allows GNU CC to
	75	operate without installing the header files. */
	76
	77	#undef CPP_PREDEFINES
	78	#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DDGUX -D__CLASSIFY_TYPE__=2\
50eb31b2	79	-D__svr4__ -Asystem(unix) -Acpu(m88k) -Amachine(m88k)"
81910840	80
76d41788 TW	81	/* If -m88100 is in effect, add -Dm88100; similarly for -m88110.
	82	Here, the CPU_DEFAULT is assumed to be -m88000. If not -ansi,
	83	-traditional, or restricting include files to one specific source
	84	target, specify full DG/UX features. */
81910840	85	#undef CPP_SPEC
79c900b1	86	#define CPP_SPEC "%(cpp_cpu) %{msvr3:-D_M88KBCS_TARGET} %{!msvr3:-D_DGUX_TARGET}"
81910840 TW	87
	88	/* Assembler support (-V, silicon filter, legends for mxdb). */
	89	#undef ASM_SPEC
cea60f06 SC	90	#define ASM_SPEC "%{pipe:%{!.s: - }\
	91	%{!msvr3:%{!m88110:-KV3 }%{m88110:-KV04.00 }}}\
	92	%(asm_cpu)"
81910840 TW	93
	94	/* Override svr4.h. */
	95	#undef ASM_FINAL_SPEC
	96	#undef STARTFILE_SPEC
	97
	98	/* Linker and library spec's.
1f29c913	99	-msvr4 is the default if -msvr3 is not specified.
81910840	100	-static, -shared, -symbolic, -h* and -z* access AT&T V.4 link options.
1f29c913 SC	101	-svr4 instructs gcc to place /usr/lib/values-X[cat].o on the link line.
	102	-msvr3 indicates linking done in a COFF environment and the link
	103	script is added to the link line. In all environments, the first
	104	and last objects are crtbegin.o (or bcscrtbegin.o) and crtend.o.
	105	When the -G link option is used (-shared and -symbolic) a final
	106	link is not being done. */
6e4e5f1b SC	107	#undef ENDFILE_SPEC
6e4e5f1b SC	108	#define ENDFILE_SPEC "crtend.o%s"
81910840	109	#undef LIB_SPEC
6e4e5f1b	110	#define LIB_SPEC "%{!msvr3:%{!shared:-lstaticdgc}} %{!shared:%{!symbolic:-lc}}"
81910840	111	#undef LINK_SPEC
2e383aa6	112	#define LINK_SPEC "%{z} %{h} %{v:-V} \
81910840	113	%{static:-dn -Bstatic} \
cbbb4649 SC	114	%{shared:-G -dy} \
cbbb4649 SC	115	%{symbolic:-Bsymbolic -G -dy} \
81910840 TW	116	%{pg:-L/usr/lib/libp}%{p:-L/usr/lib/libp}"
81910840 TW	117	#undef STARTFILE_SPEC
44ae13fb SC	118	#define STARTFILE_SPEC "%(startfile_default)"
	119
	120
	121	/* This macro defines names of additional specifications to put in the specs
	122	that can be used in various specifications like CC1_SPEC. Its definition
	123	is an initializer with a subgrouping for each command option.
	124
	125	Each subgrouping contains a string constant, that defines the
	126	specification name, and a string constant that used by the GNU CC driver
	127	program.
	128
	129	Do not define this macro if it does not need to do anything. */
	130
	131	#define EXTRA_SPECS \
	132	{ "cpp_cpu", CPP_CPU_SPEC }, \
	133	{ "asm_cpu", ASM_CPU_SPEC }, \
	134	{ "startfile_default", STARTFILE_DEFAULT_SPEC }, \
	135	{ "startfile_crtbegin", STARTFILE_CRTBEGIN_SPEC }
	136
	137	#define ASM_CPU_SPEC "\
2e383aa6	138	%{v:-V}\
44ae13fb SC	139	%{g:\
	140	%{mno-legend:-Wc,off}\
	141	%{!mno-legend:-Wc,-fix-bb,-s\"%i\"\
	142	%{traditional:,-lc}\
	143	%{!traditional:,-lansi-c}\
	144	%{mstandard:,-keep-std}\
	145	%{mexternal-legend:,-external}\
	146	%{mocs-frame-position:,-ocs}}}"
	147
	148	#define CPP_CPU_SPEC "\
	149	%{!m88000:%{!m88100:%{m88110:-D__m88110__}}} \
	150	%{!m88000:%{!m88110:%{m88100:-D__m88100__}}} \
	151	%{!ansi:%{!traditional:-D__OPEN_NAMESPACE__}}"
	152
	153	#define STARTFILE_DEFAULT_SPEC "\
	154	%{!shared:%{!symbolic:%{pg:gcrt0.o%s} \
81910840	155	%{!pg:%{p:/lib/mcrt0.o}%{!p:/lib/crt0.o}} \
cea60f06	156	%(startfile_crtbegin) \
81910840 TW	157	%{svr4:%{ansi:/lib/values-Xc.o} \
	158	%{!ansi:%{traditional:/lib/values-Xt.o} \
	159	%{!traditional:/usr/lib/values-Xa.o}}}}}"
	160
44ae13fb SC	161	#define STARTFILE_CRTBEGIN_SPEC "\
	162	%{msvr3:m88kdgux.ld%s bcscrtbegin.o%s} \
	163	%{!msvr3:crtbegin.o%s}"
	164
50eb31b2 SC	165	#undef GPLUSPLUS_INCLUDE_DIR
	166	#define GPLUSPLUS_INCLUDE_DIR "/usr/opt/g++/lib/g++-include"
	167
81910840 TW	168	/* Fast DG/UX version of profiler that does not require lots of
	169	registers to be stored. */
	170	#undef FUNCTION_PROFILER
	171	#define FUNCTION_PROFILER(FILE, LABELNO) \
	172	output_function_profiler (FILE, LABELNO, "gcc.mcount", 0)
	173
81910840 TW	174	/* Output the legend info for mxdb when debugging except if standard
	175	debugging information only is explicitly requested. */
	176	#undef ASM_FIRST_LINE
	177	#define ASM_FIRST_LINE(FILE) \
	178	do { \
50eb31b2 SC	179	if (TARGET_SVR4) \
	180	{ \
	181	if (TARGET_88110) \
	182	fprintf (FILE, "\t%s\t \"%s\"\n", VERSION_ASM_OP, "04.00"); \
	183	else \
	184	fprintf (FILE, "\t%s\t \"%s\"\n", VERSION_ASM_OP, "03.00"); \
	185	} \
cbbb4649	186	if (write_symbols != NO_DEBUG && !TARGET_NOLEGEND) \
81910840 TW	187	{ \
	188	fprintf (FILE, ";legend_info -fix-bb -h\"gcc-%s\" -s\"%s\"", \
	189	VERSION_STRING, main_input_filename); \
	190	fputs (flag_traditional ? " -lc" : " -lansi-c", FILE); \
	191	if (TARGET_STANDARD) \
	192	fputs (" -keep-std", FILE); \
	193	if (TARGET_EXTERNAL_LEGEND) \
	194	fputs (" -external", FILE); \
	195	if (TARGET_OCS_FRAME_POSITION) \
	196	fputs (" -ocs", FILE); \
	197	fputc ('\n', FILE); \
	198	} \
	199	} while (0)
	200
	201	/* Override svr4.h. */
	202	#undef PTRDIFF_TYPE
	203	#undef WCHAR_TYPE
	204	#undef WCHAR_TYPE_SIZE
	205
cb1110b5 TW	206	/* Override svr4.h and m88k.h except when compiling crtstuff.c. These must
	207	be constant strings when compiling crtstuff.c. Otherwise, respect the
	208	-mversion-STRING option used. */
6e4e5f1b	209	#undef INIT_SECTION_PREAMBLE
1f29c913 SC	210	#undef INIT_SECTION_ASM_OP
	211	#undef FINI_SECTION_ASM_OP
	212	#undef CTORS_SECTION_ASM_OP
	213	#undef DTORS_SECTION_ASM_OP
	214
6e4e5f1b SC	215	#if defined (CRT_BEGIN) \|\| defined (CRT_END) \|\| defined (L__main)
	216	/* routines to invoke global constructors and destructors are always COFF
	217	to enable linking mixed COFF and ELF objects */
	218	#define FINI_SECTION_ASM_OP ("section .fini,\"x\"")
	219	#ifndef BCS
	220	#define INIT_SECTION_PREAMBLE asm ("\taddu\tr31,r31,0x20")
	221	#endif
81910840	222	#undef INIT_SECTION_ASM_OP
6e4e5f1b	223	#define INIT_SECTION_ASM_OP ("section\t .init,\"x\"")
81910840	224	#undef CTORS_SECTION_ASM_OP
6e4e5f1b	225	#define CTORS_SECTION_ASM_OP ("section\t .ctors,\"d\"")
81910840	226	#undef DTORS_SECTION_ASM_OP
6e4e5f1b SC	227	#define DTORS_SECTION_ASM_OP ("section\t .dtors,\"d\"")
6e4e5f1b SC	228	#undef OBJECT_FORMAT_ELF
1f29c913	229	#else
6e4e5f1b SC	230	#undef INIT_SECTION_ASM_OP
	231	#define INIT_SECTION_ASM_OP (TARGET_SVR4 \
	232	? "section\t .init,\"xa\"" \
	233	: "section\t .init,\"x\"")
	234	#undef CTORS_SECTION_ASM_OP
	235	#define CTORS_SECTION_ASM_OP (TARGET_SVR4 \
	236	? "section\t .ctors,\"aw\"" \
	237	: "section\t .ctors,\"d\"")
	238	#undef DTORS_SECTION_ASM_OP
	239	#define DTORS_SECTION_ASM_OP (TARGET_SVR4 \
	240	? "section\t .dtors,\"aw\"" \
	241	: "section\t .dtors,\"d\"")
81910840	242	#endif /* crtstuff.c */
cb1110b5 TW	243
	244	/* The lists of global object constructors and global destructors are always
	245	placed in the .ctors/.dtors sections. This requires the use of a link
	246	script if the COFF linker is used, but otherwise COFF and ELF objects
	247	can be intermixed. A COFF object will pad the section to 16 bytes with
	248	zeros; and ELF object will not contain padding. We deal with this by
	249	putting a -1 marker at the begin and end of the list and ignoring zero
	250	entries. */
	251
	252	/* Mark the end of the .ctors/.dtors sections with a -1. */
6e4e5f1b SC	253
	254	#define CTOR_LIST_BEGIN \
	255	asm (CTORS_SECTION_ASM_OP); \
	256	func_ptr __CTOR_LIST__[1] = { (func_ptr) (-1) }
	257
cb1110b5 TW	258	#define CTOR_LIST_END \
	259	asm (CTORS_SECTION_ASM_OP); \
	260	func_ptr __CTOR_END__[1] = { (func_ptr) (-1) }
	261
6e4e5f1b SC	262	#define DTOR_LIST_BEGIN \
	263	asm (DTORS_SECTION_ASM_OP); \
	264	func_ptr __DTOR_LIST__[1] = { (func_ptr) (-1) }
	265
cb1110b5 TW	266	#define DTOR_LIST_END \
	267	asm (DTORS_SECTION_ASM_OP); \
	268	func_ptr __DTOR_END__[1] = { (func_ptr) (-1) }
	269
	270	/* Walk the list ignoring NULL entries till we hit the terminating -1. */
	271	#define DO_GLOBAL_CTORS_BODY \
	272	do { \
	273	int i; \
	274	for (i=1;(int)(__CTOR_LIST__[i]) != -1; i++) \
	275	if (((int *)__CTOR_LIST__)[i] != 0) \
	276	__CTOR_LIST__[i] (); \
	277	} while (0)
	278
	279	/* Walk the list looking for the terminating -1 that marks the end.
	280	Go backward and ignore any NULL entries. */
	281	#define DO_GLOBAL_DTORS_BODY \
	282	do { \
	283	int i; \
	284	for (i=1;(int)(__DTOR_LIST__[i]) != -1; i++); \
	285	for (i-=1;(int)(__DTOR_LIST__[i]) != -1; i--) \
	286	if (((int *)__DTOR_LIST__)[i] != 0) \
	287	__DTOR_LIST__[i] (); \
	288	} while (0)
6e4e5f1b SC	289
	290	/* The maximum alignment which the object file format can support.
	291	page alignment would seem to be enough */
	292	#undef MAX_OFILE_ALIGNMENT
	293	#define MAX_OFILE_ALIGNMENT 0x1000
	294
	295	/* Must use data section for relocatable constants when pic. */
	296	#undef SELECT_RTX_SECTION
	297	#define SELECT_RTX_SECTION(MODE,RTX) \
	298	{ \
	299	if (flag_pic && symbolic_operand (RTX)) \
	300	data_section (); \
	301	else \
	302	const_section (); \
	303	}