1 /* Definitions for Sun SPARC64 running FreeBSD using the ELF format
2 Copyright (C) 2001-2018 Free Software Foundation, Inc.
3 Contributed by David E. O'Brien <obrien@FreeBSD.org> and BSDi.
5 This file is part of GCC.
7 GCC 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 3, or (at your option)
12 GCC 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 GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #undef SUBTARGET_EXTRA_SPECS
22 #define SUBTARGET_EXTRA_SPECS \
23 { "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }
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. */
29 #undef FBSD_TARGET_CPU_CPP_BUILTINS
30 #define FBSD_TARGET_CPU_CPP_BUILTINS() \
33 builtin_define ("__sparc64__"); \
34 builtin_define ("__sparc__"); \
35 builtin_define ("__sparc_v9__"); \
36 builtin_define ("__sparcv9"); \
41 #define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)"
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} \
51 %{rdynamic:-export-dynamic} \
52 -dynamic-linker %(fbsd_dynamic_linker) } \
56 /************************[ Target stuff ]***********************************/
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. */
62 /* Earlier headers may get this wrong for FreeBSD.
63 We use the GCC defaults instead. */
66 #undef WCHAR_TYPE_SIZE
67 #define WCHAR_TYPE_SIZE 32
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)
74 /* Definitions for 64-bit SPARC running systems with ELF. */
79 /* A 64 bit v9 compiler with stack-bias,
80 in a Medium/mid code model environment. */
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 */)
88 /* The default code model. */
89 #undef SPARC_DEFAULT_CMODEL
90 #define SPARC_DEFAULT_CMODEL CM_MEDLOW
92 #define HAVE_ENABLE_EXECUTE_STACK
94 /************************[ Assembler stuff ]********************************/
96 #undef LOCAL_LABEL_PREFIX
97 #define LOCAL_LABEL_PREFIX "."
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'. */
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))
110 /************************[ Debugger stuff ]*********************************/
112 /* This is the char to use for continuation (in case we need to turn
113 continuation back on). */
115 #undef DBX_CONTIN_CHAR
116 #define DBX_CONTIN_CHAR '?'
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. */
125 /* #define DWARF_OFFSET_SIZE PTR_SIZE */
128 #undef TARGET_SUN_TLS
129 #undef TARGET_GNU_TLS
130 #define TARGET_SUN_TLS 0
131 #define TARGET_GNU_TLS 1
135 #define ENDFILE_SPEC \
136 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
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