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- /* 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 "sparc/sysv4.h"
-
- #undef CPP_PREDEFINES
- #define CPP_PREDEFINES \
- "-Dsun -Dsparc -Dunix -D__svr4__ \
- -Asystem(unix) -Asystem(svr4) -Acpu(sparc) -Amachine(sparc)\
- -D__GCC_NEW_VARARGS__"
-
- #undef CPP_SPEC
- #define CPP_SPEC "\
- %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude}\
- %{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__}"
-
- /* 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 sparc/sysv4.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, \
- XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0), \
- 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"
-
- /* ??? Note: in order for -compat-bsd to work fully,
- we must somehow arrange to fixincludes /usr/ucbinclude
- and put the result in $(libsubdir)/ucbinclude. */
-
- #undef LIB_SPEC
- #define LIB_SPEC \
- "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \
- %{!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*} \
- %{compat-bsd: \
- %{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
- %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \
- -R /usr/ucblib} \
- %{!compat-bsd: \
- %{!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')
-
- /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
- Instead, it is enabled here, because it does work under Solaris. */
- /* Define for support of TFmode long double and REAL_ARITHMETIC.
- Sparc ABI says that long double is 4 words. */
- #define LONG_DOUBLE_TYPE_SIZE 128
-