4.4BSD/usr/src/contrib/gcc-2.3.3/config/spc-sol2.h
/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
Copyright 1992 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@ncd.com) and
David V. Henkel-Wallace (gumby@cygnus.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, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
#include "sparcv4.h"
#undef CPP_PREDEFINES
#define CPP_PREDEFINES \
"-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)"
/* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
It's safe to pass -s always, even if -g is not used. */
#undef ASM_SPEC
#define ASM_SPEC \
"%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
%{fpic:-K PIC} %{fPIC:-K PIC}"
/* However it appears that Solaris 2.0 uses the same reg numbering as
the old BSD-style system did. */
#undef DBX_REGISTER_NUMBER
/* Same as sparc.h */
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
/* We use stabs-in-elf for debugging, because that is what the native
toolchain uses. */
#define DBX_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#define DBX_BLOCKS_FUNCTION_RELATIVE 1
/* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't
see it. Furthermore, since GDB reads the input piecemeal, starting
with each N_SO, it's a lot easier if the gcc2 flag symbol is *after*
the N_SO rather than before it. So we emit an N_OPT stab here. */
#define ASM_IDENTIFY_GCC(FILE) /* Do nothing */
#define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \
fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE)
#undef CTORS_SECTION_ASM_OP
#undef DTORS_SECTION_ASM_OP
#if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */
#undef TEXT_SECTION_ASM_OP
#undef DATA_SECTION_ASM_OP
#undef BSS_SECTION_ASM_OP
#undef CONST_SECTION_ASM_OP
#undef INIT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
#define CONST_SECTION_ASM_OP "\t.section\t\".rodata\""
#define INIT_SECTION_ASM_OP "\t.section\t\".init\""
#endif
#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n"
#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n"
/* The native assembler can't compute differences between symbols in different
sections when generating pic code, so we must put jump tables in the
text section. */
#define JUMP_TABLES_IN_TEXT_SECTION 1
/* 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 (); \
}
/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
#undef ASM_OUTPUT_SKIP
#define ASM_OUTPUT_SKIP(FILE,SIZE) \
fprintf (FILE, "\t.skip %u\n", (SIZE))
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
do { \
fputs ("\t.local\t", (FILE)); \
assemble_name ((FILE), (NAME)); \
putc ('\n', (FILE)); \
ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
} while (0)
#undef COMMON_ASM_OP
#define COMMON_ASM_OP "\t.common"
/* This is how to output a definition of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
#undef ASM_OUTPUT_INTERNAL_LABEL
#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
/* This is how to output a reference to an internal numbered label where
PREFIX is the class of label and NUM is the number within the class. */
#undef ASM_OUTPUT_INTERNAL_LABELREF
#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
fprintf (FILE, ".L%s%d", PREFIX, NUM)
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
PREFIX is the class of label and NUM is the number within the class.
This is suitable for output with `assemble_name'. */
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
/* in Solaris 2.0, linenos are relative to the current fn. */
#undef ASM_OUTPUT_SOURCE_LINE
#define ASM_OUTPUT_SOURCE_LINE(file, line) \
{ static int sym_lineno = 1; \
fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \
line, sym_lineno, \
IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\
sym_lineno); \
sym_lineno += 1; }
/* But, to make this work, we have to output the stabs for the function
name *first*... */
#define DBX_FUNCTION_FIRST
/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us.
We don't use the standard LIB_SPEC only because we don't yet support c++ */
/* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX
directory, our fallback strategy must be to look for these files instead
in the Sun C 2.0 directory. */
#undef MD_STARTFILE_PREFIX
#define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared: \
%{!symbolic: \
%{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \
%{pg:gmon.o%s} \
%{pg:crti.o%s}%{!pg:crti.o%s} \
%{ansi:/usr/ccs/lib/values-Xc.o%s} \
%{!ansi: \
%{traditional:/usr/ccs/lib/values-Xt.o%s} \
%{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \
crtbegin.o%s"
#undef LIB_SPEC
#define LIB_SPEC \
"%{!shared:%{!symbolic:-lc}} \
crtend.o%s \
%{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}"
/* This should be the same as in svr4.h, except with -R added. */
#undef LINK_SPEC
#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
%{b} %{Wl,*:%*} \
%{static:-dn -Bstatic} \
%{shared:-G -dy} \
%{symbolic:-Bsymbolic -G -dy} \
%{G:-G} \
%{YP,*} \
%{R*} \
%{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
%{!p:-Y P,/usr/ccs/lib:/usr/lib}} \
%{Qy:} %{!Qn:-Qy}"
/* This defines which switch letters take arguments.
It is as in svr4.h but with -R added. */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
( (CHAR) == 'D' \
|| (CHAR) == 'U' \
|| (CHAR) == 'o' \
|| (CHAR) == 'e' \
|| (CHAR) == 'u' \
|| (CHAR) == 'I' \
|| (CHAR) == 'm' \
|| (CHAR) == 'L' \
|| (CHAR) == 'R' \
|| (CHAR) == 'A' \
|| (CHAR) == 'h' \
|| (CHAR) == 'z')