1 /* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
3 Copyright (C) 2002, 2003 Free Software Foundation, Inc.
4 Contributed by Matthew Green (mrg@eterna.com.au).
6 This file is part of GNU CC.
8 GNU CC 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)
13 GNU CC 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.
18 You should have received a copy of the GNU General Public License
19 along with GNU CC; see the file COPYING. If not, write to
20 the Free Software Foundation, 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
23 #define TARGET_OS_CPP_BUILTINS() \
26 NETBSD_OS_CPP_BUILTINS_ELF(); \
29 builtin_define ("__sparc64__"); \
30 builtin_define ("__sparc_v9__"); \
33 builtin_define ("__sparc"); \
34 builtin_define ("__sparc__"); \
38 /* Make sure these are undefined. */
40 #undef MD_STARTFILE_PREFIX
42 /* CPP defines used by all NetBSD targets. */
43 #undef CPP_SUBTARGET_SPEC
44 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
46 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
48 #define SIZE_TYPE "long unsigned int"
51 #define PTRDIFF_TYPE "long int"
53 #undef PREFERRED_DEBUGGING_TYPE
54 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
56 /* This is the char to use for continuation (in case we need to turn
57 continuation back on). */
58 #undef DBX_CONTIN_CHAR
59 #define DBX_CONTIN_CHAR '?'
61 #undef DBX_REGISTER_NUMBER
62 #define DBX_REGISTER_NUMBER(REGNO) \
63 (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
65 #undef LOCAL_LABEL_PREFIX
66 #define LOCAL_LABEL_PREFIX "."
68 /* This is how to output a reference to an internal numbered label where
69 PREFIX is the class of label and NUM is the number within the class. */
71 #undef ASM_OUTPUT_INTERNAL_LABELREF
72 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
73 fprintf (FILE, ".L%s%d", PREFIX, NUM)
75 /* This is how to store into the string LABEL
76 the symbol_ref name of an internal numbered label where
77 PREFIX is the class of label and NUM is the number within the class.
78 This is suitable for output with `assemble_name'. */
80 #undef ASM_GENERATE_INTERNAL_LABEL
81 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
82 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
84 #undef USER_LABEL_PREFIX
85 #define USER_LABEL_PREFIX ""
88 #define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
89 %{mlittle-endian:-EL} \
90 %(asm_cpu) %(asm_arch) %(asm_relax)"
92 #undef STDC_0_IN_SYSTEM_HEADERS
94 /* Attempt to enable execute permissions on the stack. */
95 #define TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK
98 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
101 * Clean up afterwards generic SPARC ELF configuration.
104 /* FIXME: Aren't these supposed to be available for SPARC ELF? */
105 #undef MULDI3_LIBCALL
106 #undef DIVDI3_LIBCALL
107 #undef UDIVDI3_LIBCALL
108 #undef MODDI3_LIBCALL
109 #undef UMODDI3_LIBCALL
110 #undef INIT_SUBTARGET_OPTABS
111 #define INIT_SUBTARGET_OPTABS
113 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
114 description, allowing one to build 32 bit or 64 bit applications
115 on either. We define the sparc & sparc64 versions of things,
116 occasionally a neutral version (should be the same as "netbsd-elf.h")
117 and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
118 we choose the correct version. */
120 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
121 definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
122 not have a default place to find these libraries.. */
124 /* Name the port(s). */
125 #define TARGET_NAME64 "NetBSD/sparc64 ELF"
126 #define TARGET_NAME32 "NetBSD/sparc ELF"
128 /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
131 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
132 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
133 /* A 64 bit v9 compiler with stack-bias,
134 in a Medium/Low code model environment. */
136 #undef TARGET_DEFAULT
137 #define TARGET_DEFAULT \
138 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
139 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
141 #undef SPARC_DEFAULT_CMODEL
142 #define SPARC_DEFAULT_CMODEL CM_MEDANY
146 /* CC1_SPEC for NetBSD/sparc. */
148 "%{sun4:} %{target:} \
149 %{mcypress:-mcpu=cypress} \
150 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
151 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
152 %{m32:%{m64:%emay not use both -m32 and -m64}} \
154 -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
161 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
162 %{!mno-vis:%{!mcpu=v9:-mvis}} \
163 %{p:-mcmodel=medlow} \
164 %{pg:-mcmodel=medlow}}"
167 "%{sun4:} %{target:} \
168 %{mcypress:-mcpu=cypress} \
169 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
170 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
171 %{m32:%{m64:%emay not use both -m32 and -m64}} \
173 -mptr32 -mno-stack-bias \
174 %{!mlong-double-128:-mlong-double-64} \
181 %{!msupersparc:-mcpu=cypress}}}}}}}} \
183 %{p:-mcmodel=medlow} \
184 %{pg:-mcmodel=medlow}}"
186 /* Make sure we use the right output format. Pick a default and then
187 make sure -m32/-m64 switch to the right one. */
189 #define LINK_ARCH32_SPEC "-m elf32_sparc"
191 #define LINK_ARCH64_SPEC "-m elf64_sparc"
193 #define LINK_ARCH_SPEC \
194 "%{m32:%(link_arch32)} \
195 %{m64:%(link_arch64)} \
196 %{!m32:%{!m64:%(link_arch_default)}}"
201 %{!mno-relax:%{!r:-relax}} \
204 #define NETBSD_ENTRY_POINT "__start"
207 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
209 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
212 /* What extra spec entries do we need? */
213 #undef SUBTARGET_EXTRA_SPECS
214 #define SUBTARGET_EXTRA_SPECS \
215 { "link_arch32", LINK_ARCH32_SPEC }, \
216 { "link_arch64", LINK_ARCH64_SPEC }, \
217 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
218 { "link_arch", LINK_ARCH_SPEC }, \
219 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
220 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
221 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
224 /* What extra switches do we need? */
225 #undef SUBTARGET_SWITCHES
226 #define SUBTARGET_SWITCHES \
227 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
228 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
231 /* Build a compiler that supports -m32 and -m64? */
235 #undef LONG_DOUBLE_TYPE_SIZE
236 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
238 #undef MAX_LONG_DOUBLE_TYPE_SIZE
239 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
241 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
242 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
244 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
249 #define CC1_SPEC CC1_SPEC32
251 #define CC1_SPEC CC1_SPEC64
255 #define MULTILIB_DEFAULTS { "m32" }
257 #define MULTILIB_DEFAULTS { "m64" }
262 #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
264 #else /* SPARC_BI_ARCH */
266 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
267 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
269 #undef LONG_DOUBLE_TYPE_SIZE
270 #define LONG_DOUBLE_TYPE_SIZE 128
272 #undef MAX_LONG_DOUBLE_TYPE_SIZE
273 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
275 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
276 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
279 #define CC1_SPEC CC1_SPEC64
282 #define TARGET_NAME TARGET_NAME64
284 #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
285 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
287 /* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
288 for 32-bit code, unlike Solaris. */
290 #undef LONG_DOUBLE_TYPE_SIZE
291 #define LONG_DOUBLE_TYPE_SIZE 64
293 #undef MAX_LONG_DOUBLE_TYPE_SIZE
294 #define MAX_LONG_DOUBLE_TYPE_SIZE 64
296 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
297 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
300 #define CC1_SPEC CC1_SPEC32
303 #define TARGET_NAME TARGET_NAME32
305 #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
306 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
308 #endif /* SPARC_BI_ARCH */
310 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
311 #undef CTORS_SECTION_ASM_OP
312 #undef DTORS_SECTION_ASM_OP