1/* Definitions for Sun SPARC64 running FreeBSD using the ELF format
2   Copyright (C) 2001-2015 Free Software Foundation, Inc.
3   Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3.  If not see
19<http://www.gnu.org/licenses/>.  */
20
21#undef  SUBTARGET_EXTRA_SPECS
22#define SUBTARGET_EXTRA_SPECS \
23  { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
24
25/* FreeBSD needs the platform name (sparc64) defined.
26   Emacs etc needs to know if the arch is 64 or 32-bits.
27   This also selects which targets are available via -mcpu.  */
28
29#undef  FBSD_TARGET_CPU_CPP_BUILTINS
30#define FBSD_TARGET_CPU_CPP_BUILTINS()		\
31  do						\
32    {						\
33      builtin_define ("__sparc64__");		\
34      builtin_define ("__sparc__");		\
35      builtin_define ("__sparc_v9__");		\
36      builtin_define ("__sparcv9");		\
37    }						\
38  while (0)
39
40#undef ASM_SPEC
41#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %(asm_cpu)"
42
43#define LINK_SPEC "%(link_arch)						\
44  %{!mno-relax:%{!r:-relax}}						\
45  %{p:%nconsider using '-pg' instead of '-p' with gprof(1)}		\
46  %{assert*} %{R*} %{rpath*} %{defsym*}					\
47  %{shared:-Bshareable %{h*} %{soname*}}				\
48  %{symbolic:-Bsymbolic}						\
49  %{!shared:								\
50    %{!static:								\
51      %{rdynamic:-export-dynamic}					\
52      -dynamic-linker %(fbsd_dynamic_linker) }	\
53    %{static:-Bstatic}}"
54
55
56/************************[  Target stuff  ]***********************************/
57
58/* Define the actual types of some ANSI-mandated types.
59   Needs to agree with <machine/ansi.h>.  GCC defaults come from c-decl.c,
60   c-common.c, and config/<arch>/<arch>.h.  */
61
62/* Earlier headers may get this wrong for FreeBSD.
63   We use the GCC defaults instead.  */
64#undef WCHAR_TYPE
65
66#undef  WCHAR_TYPE_SIZE
67#define WCHAR_TYPE_SIZE 32
68
69/* Define for support of TFmode long double.
70   SPARC ABI says that long double is 4 words.  */
71#undef  LONG_DOUBLE_TYPE_SIZE
72#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
73
74/* Definitions for 64-bit SPARC running systems with ELF. */
75
76#define TARGET_ELF		1
77
78/* XXX */
79/* A 64 bit v9 compiler with stack-bias,
80   in a Medium/mid code model environment.  */
81
82#undef  TARGET_DEFAULT
83#define TARGET_DEFAULT \
84  (MASK_V9 + MASK_64BIT + MASK_PTR64 /* + MASK_FASTER_STRUCTS */ \
85   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU \
86   + MASK_LONG_DOUBLE_128 /* + MASK_HARD_QUAD */)
87
88/* The default code model.  */
89#undef  SPARC_DEFAULT_CMODEL
90#define SPARC_DEFAULT_CMODEL	CM_MEDLOW
91
92#define HAVE_ENABLE_EXECUTE_STACK
93
94/************************[  Assembler stuff  ]********************************/
95
96#undef	LOCAL_LABEL_PREFIX
97#define LOCAL_LABEL_PREFIX  "."
98
99/* XXX2 */
100/* This is how to store into the string LABEL
101   the symbol_ref name of an internal numbered label where
102   PREFIX is the class of label and NUM is the number within the class.
103   This is suitable for output with `assemble_name'.  */
104
105#undef  ASM_GENERATE_INTERNAL_LABEL
106#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)			\
107  sprintf (LABEL, "*.L%s%lu", PREFIX, (unsigned long)(NUM))
108
109
110/************************[  Debugger stuff  ]*********************************/
111
112/* This is the char to use for continuation (in case we need to turn
113   continuation back on).  */
114
115#undef  DBX_CONTIN_CHAR
116#define DBX_CONTIN_CHAR	'?'
117
118/* DWARF bits.  */
119
120/* Follow Irix 6 and not the Dwarf2 draft in using 64-bit offsets.
121   Obviously the Dwarf2 folks havn't tried to actually build systems
122   with their spec.  On a 64-bit system, only 64-bit relocs become
123   RELATIVE relocations.  */
124
125/* #define DWARF_OFFSET_SIZE PTR_SIZE */
126
127#ifdef HAVE_AS_TLS
128#undef TARGET_SUN_TLS
129#undef TARGET_GNU_TLS
130#define TARGET_SUN_TLS 0
131#define TARGET_GNU_TLS 1
132#endif
133
134#undef ENDFILE_SPEC
135#define ENDFILE_SPEC						\
136  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} "	\
137  FBSD_ENDFILE_SPEC
138
139/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
140#undef CTORS_SECTION_ASM_OP
141#undef DTORS_SECTION_ASM_OP
142