gcc/config/sparc/linux64.h

   1 /* Definitions for 64-bit SPARC running Linux-based GNU systems with ELF.
   2    Copyright 1996, 1997, 1998, 2000, 2002, 2003, 2004
   3    Free Software Foundation, Inc.
   4    Contributed by David S. Miller (davem@caip.rutgers.edu)
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23 #define TARGET_OS_CPP_BUILTINS()                \
  24   do                                            \
  25     {                                           \
  26         builtin_define_std ("unix");            \
  27         builtin_define_std ("linux");           \
  28         builtin_define ("_LONGLONG");           \
  29         builtin_define ("__gnu_linux__");       \
  30         builtin_assert ("system=linux");        \
  31         builtin_assert ("system=unix");         \
  32         builtin_assert ("system=posix");        \
  33     }                                           \
  34   while (0)
  35
  36 /* Don't assume anything about the header files.  */
  37 #define NO_IMPLICIT_EXTERN_C
  38
  39 #undef MD_EXEC_PREFIX
  40 #undef MD_STARTFILE_PREFIX
  41
  42 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
  43     || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
  44     || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
  45 /* A 64 bit v9 compiler with stack-bias,
  46    in a Medium/Low code model environment.  */
  47
  48 #undef TARGET_DEFAULT
  49 #define TARGET_DEFAULT \
  50   (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
  51    + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
  52 #endif
  53
  54 #undef ASM_CPU_DEFAULT_SPEC
  55 #define ASM_CPU_DEFAULT_SPEC "-Av9a"
  56
  57 #ifdef SPARC_BI_ARCH
  58
  59 #undef CPP_ARCH32_SPEC
  60 #define CPP_ARCH32_SPEC "%{mlong-double-128:-D__LONG_DOUBLE_128__}"
  61
  62 #endif
  63
  64 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
  65    the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
  66    provides part of the support for getting C++ file-scope static
  67    object constructed before entering `main'.  */
  68
  69 #undef  STARTFILE_SPEC
  70
  71 #ifdef HAVE_LD_PIE
  72 #define STARTFILE_SPEC \
  73   "%{!shared:%{pg|p:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}}\
  74    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
  75 #else
  76 #define STARTFILE_SPEC \
  77   "%{!shared:%{pg|p:gcrt1.o%s;:crt1.o%s}}\
  78    crti.o%s %{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbeginS.o%s}"
  79 #endif
  80
  81 /* Provide a ENDFILE_SPEC appropriate for GNU/Linux.  Here we tack on
  82    the GNU/Linux magical crtend.o file (see crtstuff.c) which
  83    provides part of the support for getting C++ file-scope static
  84    object constructed before entering `main', followed by a normal
  85    GNU/Linux "finalizer" file, `crtn.o'.  */
  86
  87 #undef  ENDFILE_SPEC
  88
  89 #define ENDFILE_SPEC \
  90   "%{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s\
  91    %{ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
  92
  93 /* The GNU C++ standard library requires that these macros be defined.  */
  94 #undef CPLUSPLUS_CPP_SPEC
  95 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
  96
  97 #undef TARGET_VERSION
  98 #define TARGET_VERSION fprintf (stderr, " (sparc64 GNU/Linux with ELF)");
  99
 100 /* The default code model.  */
 101 #undef SPARC_DEFAULT_CMODEL
 102 #define SPARC_DEFAULT_CMODEL CM_MEDLOW
 103
 104 #undef SUBTARGET_SWITCHES
 105 #define SUBTARGET_SWITCHES                                                  \
 106 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") },  \
 107 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
 108
 109 #undef WCHAR_TYPE
 110 #define WCHAR_TYPE "int"
 111
 112 #undef WCHAR_TYPE_SIZE
 113 #define WCHAR_TYPE_SIZE 32
 114
 115 /* Define for support of TFmode long double.
 116    SPARC ABI says that long double is 4 words.  */
 117 #undef LONG_DOUBLE_TYPE_SIZE
 118 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
 119
 120 /* Define this to set long double type size to use in libgcc2.c, which can
 121    not depend on target_flags.  */
 122 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
 123 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
 124 #else
 125 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
 126 #endif
 127
 128 #undef CPP_SUBTARGET_SPEC
 129 #define CPP_SUBTARGET_SPEC "\
 130 %{fPIC|fpic|fPIE|fpie:-D__PIC__ -D__pic__} \
 131 %{posix:-D_POSIX_SOURCE} \
 132 %{pthread:-D_REENTRANT} \
 133 "
 134
 135 #undef LIB_SPEC
 136 #define LIB_SPEC \
 137   "%{pthread:-lpthread} \
 138    %{shared:-lc} \
 139    %{!shared: %{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
 140
 141 /* Provide a LINK_SPEC appropriate for GNU/Linux.  Here we provide support
 142    for the special GCC options -static and -shared, which allow us to
 143    link things in one of these three modes by applying the appropriate
 144    combinations of options at link-time. We like to support here for
 145    as many of the other GNU linker options as possible. But I don't
 146    have the time to search for those flags. I am sure how to add
 147    support for -soname shared_object_name. H.J.
 148
 149    I took out %{v:%{!V:-V}}. It is too much :-(. They can use
 150    -Wl,-V.
 151
 152    When the -shared link option is used a final link is not being
 153    done.  */
 154
 155 /* If ELF is the default format, we should not use /lib/elf.  */
 156
 157 #ifdef SPARC_BI_ARCH
 158
 159 #undef SUBTARGET_EXTRA_SPECS
 160 #define SUBTARGET_EXTRA_SPECS \
 161   { "link_arch32",       LINK_ARCH32_SPEC },              \
 162   { "link_arch64",       LINK_ARCH64_SPEC },              \
 163   { "link_arch_default", LINK_ARCH_DEFAULT_SPEC },        \
 164   { "link_arch",         LINK_ARCH_SPEC },
 165
 166 #define LINK_ARCH32_SPEC "-m elf32_sparc -Y P,/usr/lib %{shared:-shared} \
 167   %{!shared: \
 168     %{!ibcs: \
 169       %{!static: \
 170         %{rdynamic:-export-dynamic} \
 171         %{!dynamic-linker:-dynamic-linker /lib/ld-linux.so.2}} \
 172         %{static:-static}}} \
 173 "
 174
 175 #define LINK_ARCH64_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
 176   %{!shared: \
 177     %{!ibcs: \
 178       %{!static: \
 179         %{rdynamic:-export-dynamic} \
 180         %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
 181         %{static:-static}}} \
 182 "
 183
 184 #define LINK_ARCH_SPEC "\
 185 %{m32:%(link_arch32)} \
 186 %{m64:%(link_arch64)} \
 187 %{!m32:%{!m64:%(link_arch_default)}} \
 188 "
 189
 190 #define LINK_ARCH_DEFAULT_SPEC \
 191 (DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)
 192
 193 #undef  LINK_SPEC
 194 #define LINK_SPEC "\
 195 %(link_arch) \
 196 %{mlittle-endian:-EL} \
 197 %{!mno-relax:%{!r:-relax}} \
 198 "
 199
 200 #undef  CC1_SPEC
 201 #if DEFAULT_ARCH32_P
 202 #define CC1_SPEC "\
 203 %{sun4:} %{target:} \
 204 %{mcypress:-mcpu=cypress} \
 205 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 206 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 207 %{m32:%{m64:%emay not use both -m32 and -m64}} \
 208 %{m64:-mptr64 -mstack-bias -mlong-double-128 \
 209   %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=ultrasparc}}}}}}} \
 210   %{!mno-vis:%{!mcpu=v9:-mvis}}} \
 211 "
 212 #else
 213 #define CC1_SPEC "\
 214 %{sun4:} %{target:} \
 215 %{mcypress:-mcpu=cypress} \
 216 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
 217 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
 218 %{m32:%{m64:%emay not use both -m32 and -m64}} \
 219 %{m32:-mptr32 -mno-stack-bias %{!mlong-double-128:-mlong-double-64} \
 220   %{!mcpu*:%{!mcypress:%{!msparclite:%{!mf930:%{!mf934:%{!mv8:%{!msupersparc:-mcpu=cypress}}}}}}}} \
 221 %{!m32:%{!mcpu*:-mcpu=ultrasparc}} \
 222 %{!mno-vis:%{!m32:%{!mcpu=v9:-mvis}}} \
 223 "
 224 #endif
 225
 226 /* Support for a compile-time default CPU, et cetera.  The rules are:
 227    --with-cpu is ignored if -mcpu is specified.
 228    --with-tune is ignored if -mtune is specified.
 229    --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
 230      are specified.
 231    In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
 232    here, otherwise say -mcpu=v7 would be passed even when -m64.
 233    CC1_SPEC above takes care of this instead.  */
 234 #undef OPTION_DEFAULT_SPECS
 235 #if DEFAULT_ARCH32_P
 236 #define OPTION_DEFAULT_SPECS \
 237   {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
 238   {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
 239   {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
 240 #else
 241 #define OPTION_DEFAULT_SPECS \
 242   {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
 243   {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
 244   {"float", "%{!msoft-float:%{!mhard-float:%{!fpu:%{!no-fpu:-m%(VALUE)-float}}}}" }
 245 #endif
 246
 247 #if DEFAULT_ARCH32_P
 248 #define MULTILIB_DEFAULTS { "m32" }
 249 #else
 250 #define MULTILIB_DEFAULTS { "m64" }
 251 #endif
 252
 253 #else /* !SPARC_BI_ARCH */
 254
 255 #undef LINK_SPEC
 256 #define LINK_SPEC "-m elf64_sparc -Y P,/usr/lib64 %{shared:-shared} \
 257   %{!shared: \
 258     %{!ibcs: \
 259       %{!static: \
 260         %{rdynamic:-export-dynamic} \
 261         %{!dynamic-linker:-dynamic-linker /lib64/ld-linux.so.2}} \
 262         %{static:-static}}} \
 263 %{mlittle-endian:-EL} \
 264 %{!mno-relax:%{!r:-relax}} \
 265 "
 266
 267 #endif /* !SPARC_BI_ARCH */
 268
 269 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
 270    It's safe to pass -s always, even if -g is not used.  */
 271 #undef ASM_SPEC
 272 #define ASM_SPEC "\
 273 %{V} \
 274 %{v:%{!V:-V}} \
 275 %{!Qn:-Qy} \
 276 %{n} \
 277 %{T} \
 278 %{Ym,*} \
 279 %{Wa,*:%*} \
 280 -s %{fpic|fPIC|fpie|fPIE:-K PIC} \
 281 %{mlittle-endian:-EL} \
 282 %(asm_cpu) %(asm_arch) %(asm_relax)"
 283
 284 /* Same as sparc.h */
 285 #undef DBX_REGISTER_NUMBER
 286 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
 287
 288 #define DWARF2_DEBUGGING_INFO 1
 289 #define DBX_DEBUGGING_INFO 1
 290
 291 #undef ASM_OUTPUT_ALIGNED_LOCAL
 292 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)               \
 293 do {                                                                    \
 294   fputs ("\t.local\t", (FILE));         \
 295   assemble_name ((FILE), (NAME));                                       \
 296   putc ('\n', (FILE));                                                  \
 297   ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN);                  \
 298 } while (0)
 299
 300 #undef COMMON_ASM_OP
 301 #define COMMON_ASM_OP "\t.common\t"
 302
 303 #undef  LOCAL_LABEL_PREFIX
 304 #define LOCAL_LABEL_PREFIX  "."
 305
 306 /* This is how to output a reference to an internal numbered label where
 307    PREFIX is the class of label and NUM is the number within the class.  */
 308
 309 #undef  ASM_OUTPUT_INTERNAL_LABELREF
 310 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM)   \
 311   fprintf (FILE, ".L%s%d", PREFIX, NUM)
 312
 313 /* This is how to store into the string LABEL
 314    the symbol_ref name of an internal numbered label where
 315    PREFIX is the class of label and NUM is the number within the class.
 316    This is suitable for output with `assemble_name'.  */
 317
 318 #undef  ASM_GENERATE_INTERNAL_LABEL
 319 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
 320   sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
 321
 322 /* DWARF bits.  */
 323
 324 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
 325    Obviously the Dwarf2 folks haven't tried to actually build systems
 326    with their spec.  On a 64-bit system, only 64-bit relocs become
 327    RELATIVE relocations.  */
 328
 329 /* #define DWARF_OFFSET_SIZE PTR_SIZE */
 330
 331 #undef DITF_CONVERSION_LIBFUNCS
 332 #define DITF_CONVERSION_LIBFUNCS 1
 333
 334 #if defined(HAVE_LD_EH_FRAME_HDR)
 335 #define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
 336 #endif
 337 \f
 338 #ifdef HAVE_AS_TLS
 339 #undef TARGET_SUN_TLS
 340 #undef TARGET_GNU_TLS
 341 #define TARGET_SUN_TLS 0
 342 #define TARGET_GNU_TLS 1
 343 #endif
 344 \f
 345 /* Don't be different from other Linux platforms in this regard.  */
 346 #define HANDLE_PRAGMA_PACK_PUSH_POP
 347
 348 /* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
 349 #undef CTORS_SECTION_ASM_OP
 350 #undef DTORS_SECTION_ASM_OP
 351
 352 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
 353
 354 #define TARGET_HAS_F_SETLKW
 355
 356 #undef LINK_GCC_C_SEQUENCE_SPEC
 357 #define LINK_GCC_C_SEQUENCE_SPEC \
 358   "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
 359
 360 /* Use --as-needed -lgcc_s for eh support.  */
 361 #ifdef HAVE_LD_AS_NEEDED
 362 #define USE_LD_AS_NEEDED 1
 363 #endif
 364
 365 /* Do code reading to identify a signal frame, and set the frame
 366    state data appropriately.  See unwind-dw2.c for the structs.  */
 367
 368 /* Handle multilib correctly.  */
 369 #if defined(__arch64__)
 370 /* 64-bit SPARC version */
 371 #define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)               \
 372   do {                                                                  \
 373     unsigned int *pc_ = (CONTEXT)->ra;                                  \
 374     long new_cfa_, i_;                                                  \
 375     long regs_off_, fpu_save_off_;                                      \
 376     long this_cfa_, fpu_save_;                                          \
 377                                                                         \
 378     if (pc_[0] != 0x82102065            /* mov NR_rt_sigreturn, %g1 */  \
 379         || pc_[1] != 0x91d0206d)                /* ta 0x6d */           \
 380       break;                                                            \
 381     regs_off_ = 192 + 128;                                              \
 382     fpu_save_off_ = regs_off_ + (16 * 8) + (3 * 8) + (2 * 4);           \
 383     this_cfa_ = (long) (CONTEXT)->cfa;                                  \
 384     new_cfa_ = *(long *)(((CONTEXT)->cfa) + (regs_off_ + (14 * 8)));    \
 385     new_cfa_ += 2047; /* Stack bias */                                  \
 386     fpu_save_ = *(long *)((this_cfa_) + (fpu_save_off_));               \
 387     (FS)->cfa_how = CFA_REG_OFFSET;                                     \
 388     (FS)->cfa_reg = 14;                                                 \
 389     (FS)->cfa_offset = new_cfa_ - (long) (CONTEXT)->cfa;                \
 390     for (i_ = 1; i_ < 16; ++i_)                                         \
 391       {                                                                 \
 392         (FS)->regs.reg[i_].how = REG_SAVED_OFFSET;                      \
 393         (FS)->regs.reg[i_].loc.offset =                                 \
 394           this_cfa_ + (regs_off_ + (i_ * 8)) - new_cfa_;                \
 395       }                                                                 \
 396     for (i_ = 0; i_ < 16; ++i_)                                         \
 397       {                                                                 \
 398         (FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET;                 \
 399         (FS)->regs.reg[i_ + 16].loc.offset =                            \
 400           this_cfa_ + (i_ * 8) - new_cfa_;                              \
 401       }                                                                 \
 402     if (fpu_save_)                                                      \
 403       {                                                                 \
 404         for (i_ = 0; i_ < 64; ++i_)                                     \
 405           {                                                             \
 406             if (i_ > 32 && (i_ & 0x1))                                  \
 407               continue;                                                 \
 408             (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET;             \
 409             (FS)->regs.reg[i_ + 32].loc.offset =                        \
 410               (fpu_save_ + (i_ * 4)) - new_cfa_;                        \
 411           }                                                             \
 412       }                                                                 \
 413     /* Stick return address into %g0, same trick Alpha uses.  */        \
 414     (FS)->regs.reg[0].how = REG_SAVED_OFFSET;                           \
 415     (FS)->regs.reg[0].loc.offset =                                      \
 416       this_cfa_ + (regs_off_ + (16 * 8) + 8) - new_cfa_;                \
 417     (FS)->retaddr_column = 0;                                           \
 418     goto SUCCESS;                                                       \
 419   } while (0)
 420 #else
 421 /* 32-bit SPARC version */
 422 #define MD_FALLBACK_FRAME_STATE_FOR(CONTEXT, FS, SUCCESS)               \
 423   do {                                                                  \
 424     unsigned int *pc_ = (CONTEXT)->ra;                                  \
 425     int new_cfa_, i_, oldstyle_;                                        \
 426     int regs_off_, fpu_save_off_;                                       \
 427     int fpu_save_, this_cfa_;                                           \
 428                                                                         \
 429     if (pc_[1] != 0x91d02010)           /* ta 0x10 */                   \
 430       break;                                                            \
 431     if (pc_[0] == 0x821020d8)           /* mov NR_sigreturn, %g1 */     \
 432       oldstyle_ = 1;                                                    \
 433     else if (pc_[0] == 0x82102065)      /* mov NR_rt_sigreturn, %g1 */  \
 434       oldstyle_ = 0;                                                    \
 435     else                                                                \
 436       break;                                                            \
 437     if (oldstyle_)                                                      \
 438       {                                                                 \
 439         regs_off_ = 96;                                                 \
 440         fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4);                 \
 441       }                                                                 \
 442     else                                                                \
 443       {                                                                 \
 444         regs_off_ = 96 + 128;                                           \
 445         fpu_save_off_ = regs_off_ + (4 * 4) + (16 * 4) + (2 * 4);       \
 446       }                                                                 \
 447     this_cfa_ = (int) (CONTEXT)->cfa;                                   \
 448     new_cfa_ = *(int *)(((CONTEXT)->cfa) + (regs_off_+(4*4)+(14 * 4))); \
 449     fpu_save_ = *(int *)((this_cfa_) + (fpu_save_off_));                \
 450     (FS)->cfa_how = CFA_REG_OFFSET;                                     \
 451     (FS)->cfa_reg = 14;                                                 \
 452     (FS)->cfa_offset = new_cfa_ - (int) (CONTEXT)->cfa;                 \
 453     for (i_ = 1; i_ < 16; ++i_)                                         \
 454       {                                                                 \
 455         if (i_ == 14)                                                   \
 456           continue;                                                     \
 457         (FS)->regs.reg[i_].how = REG_SAVED_OFFSET;                      \
 458         (FS)->regs.reg[i_].loc.offset =                                 \
 459            this_cfa_ + (regs_off_+(4 * 4)+(i_ * 4)) - new_cfa_;         \
 460       }                                                                 \
 461     for (i_ = 0; i_ < 16; ++i_)                                         \
 462       {                                                                 \
 463         (FS)->regs.reg[i_ + 16].how = REG_SAVED_OFFSET;                 \
 464         (FS)->regs.reg[i_ + 16].loc.offset =                            \
 465           this_cfa_ + (i_ * 4) - new_cfa_;                              \
 466       }                                                                 \
 467     if (fpu_save_)                                                      \
 468       {                                                                 \
 469         for (i_ = 0; i_ < 32; ++i_)                                     \
 470           {                                                             \
 471             (FS)->regs.reg[i_ + 32].how = REG_SAVED_OFFSET;             \
 472             (FS)->regs.reg[i_ + 32].loc.offset =                        \
 473               (fpu_save_ + (i_ * 4)) - new_cfa_;                        \
 474           }                                                             \
 475       }                                                                 \
 476     /* Stick return address into %g0, same trick Alpha uses.  */        \
 477     (FS)->regs.reg[0].how = REG_SAVED_OFFSET;                           \
 478     (FS)->regs.reg[0].loc.offset = this_cfa_+(regs_off_+4)-new_cfa_;    \
 479     (FS)->retaddr_column = 0;                                           \
 480     goto SUCCESS;                                                       \
 481   } while (0)
 482 #endif