1 /* Definitions for Sun Sparc64 running FreeBSD using the ELF format
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
5 This file is part of GNU CC.
7 GNU CC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU CC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU CC; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 /* FreeBSD needs's the platform name (sparc64) defined. */
23 #undef CPP_CPU64_DEFAULT_SPEC
24 #define CPP_CPU64_DEFAULT_SPEC "-D__sparc64__ -D__sparc_v9__"
27 #define CPP_PREDEFINES FBSD_CPP_PREDEFINES
29 #define LINK_SPEC "-m elf64_sparc %(link_arch) \
30 %{!mno-relax:%{!r:-relax}} \
31 %{p:%e`-p' not supported; use `-pg' and gprof(1)} \
33 %{assert*} %{R*} %{rpath*} %{defsym*} \
34 %{shared:-Bshareable %{h*} %{soname*}} \
35 %{symbolic:-Bsymbolic} \
38 %{rdynamic:-export-dynamic} \
39 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld-elf.so.1}} \
43 /************************[ Target stuff ]***********************************/
45 /* Define the actual types of some ANSI-mandated types.
46 Needs to agree with <machine/ansi.h>. GCC defaults come from c-decl.c,
47 c-common.c, and config/<arch>/<arch>.h. */
49 /* Earlier headers may get this wrong for FreeBSD.
50 We use the GCC defaults instead. */
54 #define WCHAR_UNSIGNED 0
56 #undef WCHAR_TYPE_SIZE
57 #define WCHAR_TYPE_SIZE 32
59 /* Define for support of TFmode long double and REAL_ARITHMETIC.
60 Sparc ABI says that long double is 4 words. */
61 #undef LONG_DOUBLE_TYPE_SIZE
62 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
64 /* Constant which presents upper bound of the above value. */
65 #undef MAX_LONG_DOUBLE_TYPE_SIZE
66 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
68 /* Define this to set long double type size to use in libgcc2.c, which can
69 not depend on target_flags. */
70 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
71 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
73 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
76 /* Definitions for 64-bit SPARC running systems with ELF. */
78 #undef SUBTARGET_SWITCHES
79 #define SUBTARGET_SWITCHES \
80 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
81 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
84 #define TARGET_VERSION fprintf (stderr, " (FreeBSD/sparc64 ELF)");
89 /* A 64 bit v9 compiler with stack-bias,
90 in a Medium/mid code model environment. */
93 #define TARGET_DEFAULT \
94 (MASK_V9 + MASK_64BIT + MASK_PTR64 + MASK_FASTER_STRUCTS \
95 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_EPILOGUE + MASK_FPU \
96 + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */)
98 /* The default code model. */
99 #undef SPARC_DEFAULT_CMODEL
100 #define SPARC_DEFAULT_CMODEL CM_MEDMID
103 /************************[ Assembler stuff ]********************************/
106 /* This is how to output a definition of an internal numbered label where
107 PREFIX is the class of label and NUM is the number within the class. */
109 #undef ASM_OUTPUT_INTERNAL_LABEL
110 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
111 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
114 /* This is how to output a reference to an internal numbered label where
115 PREFIX is the class of label and NUM is the number within the class. */
117 #undef ASM_OUTPUT_INTERNAL_LABELREF
118 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
119 fprintf (FILE, ".L%s%d", PREFIX, NUM)
122 /* This is how to store into the string LABEL
123 the symbol_ref name of an internal numbered label where
124 PREFIX is the class of label and NUM is the number within the class.
125 This is suitable for output with `assemble_name'. */
127 #undef ASM_GENERATE_INTERNAL_LABEL
128 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
129 sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
132 /************************[ Debugger stuff ]*********************************/
134 /* This is the char to use for continuation (in case we need to turn
135 continuation back on). */
137 #undef DBX_CONTIN_CHAR
138 #define DBX_CONTIN_CHAR '?'
142 /* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
143 Obviously the Dwarf2 folks havn't tried to actually build systems
144 with their spec. On a 64-bit system, only 64-bit relocs become
145 RELATIVE relocations. */
147 /* #define DWARF_OFFSET_SIZE PTR_SIZE */