1/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 2 Copyright 1992, 1995, 1996, 1997, 1998 Free Software Foundation, Inc. 3 Contributed by Ron Guilmette (rfg@netcom.com). 4 Additional changes by David V. Henkel-Wallace (gumby@cygnus.com). 5 6This file is part of GNU CC. 7 8GNU CC is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GNU CC is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU CC; see the file COPYING. If not, write to 20the Free Software Foundation, 59 Temple Place - Suite 330, 21Boston, MA 02111-1307, USA. */ 22 23/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ 24#include "sparc/sysv4.h" 25 26#undef CPP_PREDEFINES 27#define CPP_PREDEFINES \ 28"-Dsparc -Dsun -Dunix -D__svr4__ -D__SVR4 \ 29-Asystem(unix) -Asystem(svr4)" 30 31#undef CPP_SUBTARGET_SPEC 32#define CPP_SUBTARGET_SPEC "\ 33%{pthreads:-D_REENTRANT -D_PTHREADS} \ 34%{!pthreads:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}} \ 35%{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude} \ 36" 37 38/* The sun bundled assembler doesn't accept -Yd, (and neither does gas). 39 It's safe to pass -s always, even if -g is not used. */ 40#undef ASM_SPEC 41#define ASM_SPEC "\ 42%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ 43%{fpic:-K PIC} %{fPIC:-K PIC} \ 44%(asm_cpu) \ 45" 46 47/* This is here rather than in sparc.h because it's not known what 48 other assemblers will accept. */ 49#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 50#undef ASM_CPU_DEFAULT_SPEC 51#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plus" 52#endif 53#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 54#undef ASM_CPU_DEFAULT_SPEC 55#define ASM_CPU_DEFAULT_SPEC "-xarch=v8plusa" 56#endif 57#undef ASM_CPU_SPEC 58#define ASM_CPU_SPEC "\ 59%{mcpu=v8plus:-xarch=v8plus} \ 60%{mcpu=ultrasparc:-xarch=v8plusa} \ 61%{!mcpu*:%(asm_cpu_default)} \ 62" 63 64/* However it appears that Solaris 2.0 uses the same reg numbering as 65 the old BSD-style system did. */ 66 67#undef DBX_REGISTER_NUMBER 68/* Same as sparc.h */ 69#define DBX_REGISTER_NUMBER(REGNO) \ 70 (TARGET_FLAT && REGNO == FRAME_POINTER_REGNUM ? 31 : REGNO) 71 72/* We use stabs-in-elf for debugging, because that is what the native 73 toolchain uses. */ 74#undef PREFERRED_DEBUGGING_TYPE 75#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG 76 77/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ 78#undef ASM_OUTPUT_SKIP 79#define ASM_OUTPUT_SKIP(FILE,SIZE) \ 80 fprintf (FILE, "\t.skip %u\n", (SIZE)) 81 82/* Use .uahalf/.uaword so packed structure members don't generate 83 assembler errors when using the native assembler. */ 84#undef ASM_SHORT 85#define ASM_SHORT ".uahalf" 86#undef ASM_LONG 87#define ASM_LONG ".uaword" 88 89/* This is how to output a definition of an internal numbered label where 90 PREFIX is the class of label and NUM is the number within the class. */ 91 92#undef ASM_OUTPUT_INTERNAL_LABEL 93#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 94 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) 95 96/* This is how to output a reference to an internal numbered label where 97 PREFIX is the class of label and NUM is the number within the class. */ 98 99#undef ASM_OUTPUT_INTERNAL_LABELREF 100#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ 101 fprintf (FILE, ".L%s%d", PREFIX, NUM) 102 103/* This is how to store into the string LABEL 104 the symbol_ref name of an internal numbered label where 105 PREFIX is the class of label and NUM is the number within the class. 106 This is suitable for output with `assemble_name'. */ 107 108#undef ASM_GENERATE_INTERNAL_LABEL 109#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 110 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM)) 111 112 113/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. 114 We don't use the standard LIB_SPEC only because we don't yet support c++ */ 115 116#undef STARTFILE_SPEC 117#define STARTFILE_SPEC "%{!shared: \ 118 %{!symbolic: \ 119 %{p:mcrt1.o%s} \ 120 %{!p: \ 121 %{pg:gcrt1.o%s gmon.o%s} \ 122 %{!pg:crt1.o%s}}}} \ 123 crti.o%s \ 124 %{ansi:values-Xc.o%s} \ 125 %{!ansi: \ 126 %{traditional:values-Xt.o%s} \ 127 %{!traditional:values-Xa.o%s}} \ 128 crtbegin.o%s" 129 130/* ??? Note: in order for -compat-bsd to work fully, 131 we must somehow arrange to fixincludes /usr/ucbinclude 132 and put the result in $(libsubdir)/ucbinclude. */ 133 134#undef LIB_SPEC 135#define LIB_SPEC \ 136 "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ 137 %{!shared:\ 138 %{!symbolic:\ 139 %{pthreads:-lpthread} \ 140 %{!pthreads:%{threads:-lthread}} \ 141 -lc}}" 142 143#undef ENDFILE_SPEC 144#define ENDFILE_SPEC "crtend.o%s crtn.o%s" 145 146/* This should be the same as in svr4.h, except with -R added. */ 147#undef LINK_SPEC 148#define LINK_SPEC \ 149 "%{h*} %{v:-V} \ 150 %{b} %{Wl,*:%*} \ 151 %{static:-dn -Bstatic} \ 152 %{shared:-G -dy %{!mimpure-text:-z text}} \ 153 %{symbolic:-Bsymbolic -G -dy -z text} \ 154 %{G:-G} \ 155 %{YP,*} \ 156 %{R*} \ 157 %{compat-bsd: \ 158 %{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 159 %{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 160 %{!p:%{!pg:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \ 161 -R /usr/ucblib} \ 162 %{!compat-bsd: \ 163 %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 164 %{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ 165 %{!p:%{!pg:-Y P,/usr/ccs/lib:/usr/lib}}}} \ 166 %{Qy:} %{!Qn:-Qy}" 167 168/* This defines which switch letters take arguments. 169 It is as in svr4.h but with -R added. */ 170 171#undef SWITCH_TAKES_ARG 172#define SWITCH_TAKES_ARG(CHAR) \ 173 (DEFAULT_SWITCH_TAKES_ARG(CHAR) \ 174 || (CHAR) == 'R' \ 175 || (CHAR) == 'h' \ 176 || (CHAR) == 'x' \ 177 || (CHAR) == 'z') 178 179/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. 180 Instead, it is enabled here, because it does work under Solaris. */ 181/* Define for support of TFmode long double and REAL_ARITHMETIC. 182 Sparc ABI says that long double is 4 words. */ 183#define LONG_DOUBLE_TYPE_SIZE 128 184 185/* But indicate that it isn't supported by the hardware. */ 186#define WIDEST_HARDWARE_FP_SIZE 64 187 188#define STDC_0_IN_SYSTEM_HEADERS 189 190#define MULDI3_LIBCALL "__mul64" 191#define DIVDI3_LIBCALL "__div64" 192#define UDIVDI3_LIBCALL "__udiv64" 193#define MODDI3_LIBCALL "__rem64" 194#define UMODDI3_LIBCALL "__urem64" 195 196#undef INIT_SUBTARGET_OPTABS 197#define INIT_SUBTARGET_OPTABS \ 198 fixsfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ 199 TARGET_ARCH64 ? "__ftol" : "__ftoll"); \ 200 fixunssfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ 201 TARGET_ARCH64 ? "__ftoul" : "__ftoull"); \ 202 fixdfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ 203 TARGET_ARCH64 ? "__dtol" : "__dtoll"); \ 204 fixunsdfdi_libfunc = gen_rtx_SYMBOL_REF (Pmode, \ 205 TARGET_ARCH64 ? "__dtoul" : "__dtoull") 206 207/* No weird SPARC variants on Solaris */ 208#undef TARGET_LIVE_G0 209#define TARGET_LIVE_G0 0 210#undef TARGET_BROKEN_SAVERESTORE 211#define TARGET_BROKEN_SAVERESTORE 0 212 213/* Solaris allows 64 bit out and global registers in 32 bit mode. 214 sparc_override_options will disable V8+ if not generating V9 code. */ 215#undef TARGET_DEFAULT 216#define TARGET_DEFAULT (MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU + MASK_V8PLUS) 217 218/* Override MACHINE_STATE_{SAVE,RESTORE} because we have special 219 traps available which can get and set the condition codes 220 reliably. */ 221#undef MACHINE_STATE_SAVE 222#define MACHINE_STATE_SAVE(ID) \ 223 unsigned long int ms_flags, ms_saveret; \ 224 asm volatile("ta 0x20\n\t" \ 225 "mov %%g1, %0\n\t" \ 226 "mov %%g2, %1\n\t" \ 227 : "=r" (ms_flags), "=r" (ms_saveret)); 228 229#undef MACHINE_STATE_RESTORE 230#define MACHINE_STATE_RESTORE(ID) \ 231 asm volatile("mov %0, %%g1\n\t" \ 232 "mov %1, %%g2\n\t" \ 233 "ta 0x21\n\t" \ 234 : /* no outputs */ \ 235 : "r" (ms_flags), "r" (ms_saveret)); 236 237