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Diffstat (limited to 'contrib/gcc/config/sparc/sol2.h')
-rw-r--r-- | contrib/gcc/config/sparc/sol2.h | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/contrib/gcc/config/sparc/sol2.h b/contrib/gcc/config/sparc/sol2.h new file mode 100644 index 000000000000..9274f9d9108e --- /dev/null +++ b/contrib/gcc/config/sparc/sol2.h @@ -0,0 +1,236 @@ +/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 + Copyright 1992, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. + Contributed by Ron Guilmette (rfg@netcom.com). + Additional changes by 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, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ +#include "sparc/sysv4.h" + +#undef CPP_PREDEFINES +#define CPP_PREDEFINES \ +"-Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 \ +-Asystem(unix) -Asystem(svr4)" + +#undef CPP_SUBTARGET_SPEC +#define CPP_SUBTARGET_SPEC "\ +%{pthreads:-D_REENTRANT -D_PTHREADS} \ +%{!pthreads:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}} \ +%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \ +" + +/* 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} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ +%{fpic:-K PIC} %{fPIC:-K PIC} \ +%(asm_cpu) \ +" + +/* This is here rather than in sparc.h because it's not known what + other assemblers will accept. */ +#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 +#undef ASM_CPU_DEFAULT_SPEC +#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" +#endif +#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc +#undef ASM_CPU_DEFAULT_SPEC +#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" +#endif +#undef ASM_CPU_SPEC +#define ASM_CPU_SPEC "\ +%{mcpu=v8plus:-xarch=v8plus} \ +%{mcpu=ultrasparc:-xarch=v8plusa} \ +%{!mcpu*:%(asm_cpu_default)} \ +" + +/* 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) \ + (TARGET_FLAT && REGNO == FRAME_POINTER_REGNUM ? 31 : REGNO) + +/* We use stabs-in-elf for debugging, because that is what the native + toolchain uses. */ +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG + +/* 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)) + +/* Use .uahalf/.uaword so packed structure members don't generate + assembler errors when using the native assembler. */ +#undef ASM_SHORT +#define ASM_SHORT ".uahalf" +#undef ASM_LONG +#define ASM_LONG ".uaword" + +/* 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%ld", (PREFIX), (long)(NUM)) + + +/* 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++ */ + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{!shared: \ + %{!symbolic: \ + %{p:mcrt1.o%s} \ + %{!p: \ + %{pg:gcrt1.o%s gmon.o%s} \ + %{!pg:crt1.o%s}}}} \ + crti.o%s \ + %{ansi:values-Xc.o%s} \ + %{!ansi: \ + %{traditional:values-Xt.o%s} \ + %{!traditional: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:\ + %{pthreads:-lpthread} \ + %{!pthreads:%{threads:-lthread}} \ + -lc}}" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend.o%s 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} \ + %{b} %{Wl,*:%*} \ + %{static:-dn -Bstatic} \ + %{shared:-G -dy %{!mimpure-text:-z text}} \ + %{symbolic:-Bsymbolic -G -dy -z text} \ + %{G:-G} \ + %{YP,*} \ + %{R*} \ + %{compat-bsd: \ + %{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{!p:%{!pg:-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} \ + %{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{!p:%{!pg:-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) \ + (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ + || (CHAR) == 'R' \ + || (CHAR) == 'h' \ + || (CHAR) == 'x' \ + || (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 + +/* But indicate that it isn't supported by the hardware. */ +#define WIDEST_HARDWARE_FP_SIZE 64 + +#define STDC_0_IN_SYSTEM_HEADERS + +#define MULDI3_LIBCALL "__mul64" +#define DIVDI3_LIBCALL "__div64" +#define UDIVDI3_LIBCALL "__udiv64" +#define MODDI3_LIBCALL "__rem64" +#define UMODDI3_LIBCALL "__urem64" + +#undef INIT_SUBTARGET_OPTABS +#define INIT_SUBTARGET_OPTABS \ + fixsfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ + TARGET_ARCH64 ? "__ftol" : "__ftoll"); \ + fixunssfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ + TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \ + fixdfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ + TARGET_ARCH64 ? "__dtol" : "__dtoll"); \ + fixunsdfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ + TARGET_ARCH64 ? "__dtoul" : "__dtoull") + +/* No weird SPARC variants on Solaris */ +#undef TARGET_LIVE_G0 +#define TARGET_LIVE_G0 0 +#undef TARGET_BROKEN_SAVERESTORE +#define TARGET_BROKEN_SAVERESTORE 0 + +/* Solaris allows 64 bit out and global registers in 32 bit mode. + sparc_override_options will disable V8+ if not generating V9 code. */ +#undef TARGET_DEFAULT +#define TARGET_DEFAULT (MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_V8PLUS) + +/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special + traps available which can get and set the condition codes + reliably. */ +#undef MACHINE_STATE_SAVE +#define MACHINE_STATE_SAVE(ID) \ + unsigned long int ms_flags, ms_saveret; \ + asm volatile("ta 0x20\n\t" \ + "mov %%g1, %0\n\t" \ + "mov %%g2, %1\n\t" \ + : "=r" (ms_flags), "=r" (ms_saveret)); + +#undef MACHINE_STATE_RESTORE +#define MACHINE_STATE_RESTORE(ID) \ + asm volatile("mov %0, %%g1\n\t" \ + "mov %1, %%g2\n\t" \ + "ta 0x21\n\t" \ + : /* no outputs */ \ + : "r" (ms_flags), "r" (ms_saveret)); + |