172 lines
5.2 KiB
C
172 lines
5.2 KiB
C
/* Definitions of target machine for GNU compiler,
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for IBM RS/6000 running AIX version 3.1.
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Copyright (C) 1996 Free Software Foundation, Inc.
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Contributed by David Reese (Dave.Reese@East.Sun.COM)
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This file is part of GNU CC.
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GNU CC 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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GNU CC 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 GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "rs6000/sysv4le.h"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES \
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"-Dsun=1 -Dunix -D__svr4__ -DSVR4 -DPPC \
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-D__ppc -Asystem(unix) -Asystem(svr4) -Acpu(powerpc) -Amachine(prep)"
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} -le -s"
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/* This should be the same as in svr4.h, except with -R added. */
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#undef LINK_SPEC
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#define LINK_SPEC \
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"%{h*} %{v:-V} %{G*} \
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%{b} %{Wl,*:%*} \
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%{static:-dn -Bstatic} \
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%{shared:-G -dy -z text %{!h*:%{o*:-h %*}}} \
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%{symbolic:-Bsymbolic -G -dy -z text %{!h*:%{o*:-h %*}}} \
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%{G:-G} \
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%{YP,*} \
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%{R*} %{!static:%{!R*:%{L*:-R %*}}} \
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%{compat-bsd: \
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%{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
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-R /usr/ucblib} \
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%{!compat-bsd: \
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%{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
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%{!p:-Y P,/usr/ccs/lib:/usr/lib}}} \
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%{Qy:} %{!Qn:-Qy}"
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_POWERPC | \
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MASK_NEW_MNEMONICS | \
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MASK_LITTLE_ENDIAN | \
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MASK_REGNAMES)
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#undef LIB_DEFAULT_SPEC
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#define LIB_DEFAULT_SPEC LIB_SOLARIS_SPEC
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#undef STARTFILE_DEFAULT_SPEC
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#define STARTFILE_DEFAULT_SPEC STARTFILE_SOLARIS_SPEC
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#undef ENDFILE_DEFAULT_SPEC
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#define ENDFILE_DEFAULT_SPEC ENDFILE_SOLARIS_SPEC
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#undef LINK_START_DEFAULT_SPEC
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#define LINK_START_DEFAULT_SPEC LINK_START_SOLARIS_SPEC
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/* Don't turn -B into -L if the argument specifies a relative file name. */
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#undef RELATIVE_PREFIX_NOT_LINKDIR
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#define DEFAULT_PCC_STRUCT_RETURN 0
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (PowerPC Solaris)");
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/* Macros to check register numbers against specific register classes. */
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
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#undef ASM_OUTPUT_ALIGNED_LOCAL
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#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
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do { \
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fprintf ((FILE), "\t%s\t", ".lcomm"); \
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assemble_name ((FILE), (NAME)); \
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fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
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} while (0)
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/* Like block addresses, stabs line numbers are relative to the
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current function. */
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/* use .stabd instead of .stabn */
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#define ASM_STABN_OP ".stabd"
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#undef SKIP_ASM_OP
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#define SKIP_ASM_OP ".skip"
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#undef ASM_OUTPUT_SOURCE_LINE
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#define ASM_OUTPUT_SOURCE_LINE(file, line) \
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do \
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{ \
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static int sym_lineno = 1; \
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char *_p; \
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fprintf (file, "\t.stabd 68,0,%d,.LM%d-", \
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line, sym_lineno); \
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STRIP_NAME_ENCODING (_p, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
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assemble_name (file, _p); \
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fprintf (file, "\n.LM%d:\n", sym_lineno); \
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sym_lineno += 1; \
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} \
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while (0)
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/* This is how to output an assembler line defining a `double' constant. */
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#undef ASM_OUTPUT_DOUBLE
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#define ASM_OUTPUT_DOUBLE(FILE, VALUE) \
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{ \
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if (REAL_VALUE_ISINF (VALUE) \
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|| REAL_VALUE_ISNAN (VALUE) \
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|| REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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long t[2]; \
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REAL_VALUE_TO_TARGET_DOUBLE ((VALUE), t); \
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fprintf (FILE, "\t.long 0x%lx\n\t.long 0x%lx\n", \
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t[0] & 0xffffffff, t[1] & 0xffffffff); \
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} \
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else \
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{ \
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char str[30]; \
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REAL_VALUE_TO_DECIMAL (VALUE, "%.20e", str); \
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fprintf (FILE, "\t.double %s\n", str); \
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} \
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}
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/* This is how to output an assembler line defining a `float' constant. */
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#undef ASM_OUTPUT_FLOAT
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#define ASM_OUTPUT_FLOAT(FILE, VALUE) \
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{ \
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if (REAL_VALUE_ISINF (VALUE) \
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|| REAL_VALUE_ISNAN (VALUE) \
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|| REAL_VALUE_MINUS_ZERO (VALUE)) \
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{ \
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long t; \
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REAL_VALUE_TO_TARGET_SINGLE ((VALUE), t); \
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fprintf (FILE, "\t.long 0x%lx\n", t & 0xffffffff); \
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} \
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else \
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{ \
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char str[30]; \
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REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", str); \
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fprintf (FILE, "\t.float %s\n", str); \
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} \
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}
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/* Sun-ppc assembler does not permit '.' in some symbol names.
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Use 'name_.labelno' instead. */
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#undef ASM_FORMAT_PRIVATE_NAME
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#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
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( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10), \
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sprintf ((OUTPUT), "%s_.%d", (NAME), (LABELNO)))
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#define ASM_RELOCATION_EXPRESSIONS 1
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