1 /* Definitions of target machine for GCC, 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 GCC.
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)
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.
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. */
23 #define TARGET_OS_CPP_BUILTINS() \
26 NETBSD_OS_CPP_BUILTINS_ELF(); \
29 builtin_define ("__sparc64__"); \
30 builtin_define ("__sparc_v9__"); \
31 builtin_define ("__sparcv9"); \
34 builtin_define ("__sparc"); \
35 builtin_define ("__sparc__"); \
39 /* Make sure these are undefined. */
41 #undef MD_STARTFILE_PREFIX
43 /* CPP defines used by all NetBSD targets. */
44 #undef CPP_SUBTARGET_SPEC
45 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
47 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
49 #define SIZE_TYPE "long unsigned int"
52 #define PTRDIFF_TYPE "long int"
54 #undef PREFERRED_DEBUGGING_TYPE
55 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
57 /* This is the char to use for continuation (in case we need to turn
58 continuation back on). */
59 #undef DBX_CONTIN_CHAR
60 #define DBX_CONTIN_CHAR '?'
62 #undef DBX_REGISTER_NUMBER
63 #define DBX_REGISTER_NUMBER(REGNO) \
64 (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
66 #undef LOCAL_LABEL_PREFIX
67 #define LOCAL_LABEL_PREFIX "."
69 /* This is how to output a reference to an internal numbered label where
70 PREFIX is the class of label and NUM is the number within the class. */
72 #undef ASM_OUTPUT_INTERNAL_LABELREF
73 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
74 fprintf (FILE, ".L%s%d", PREFIX, NUM)
76 /* This is how to store into the string LABEL
77 the symbol_ref name of an internal numbered label where
78 PREFIX is the class of label and NUM is the number within the class.
79 This is suitable for output with `assemble_name'. */
81 #undef ASM_GENERATE_INTERNAL_LABEL
82 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
83 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
85 #undef USER_LABEL_PREFIX
86 #define USER_LABEL_PREFIX ""
89 #define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
90 %{mlittle-endian:-EL} \
91 %(asm_cpu) %(asm_arch) %(asm_relax)"
93 #undef STDC_0_IN_SYSTEM_HEADERS
95 /* Attempt to enable execute permissions on the stack. */
96 #define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
99 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
101 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
102 description, allowing one to build 32 bit or 64 bit applications
103 on either. We define the sparc & sparc64 versions of things,
104 occasionally a neutral version (should be the same as "netbsd-elf.h")
105 and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
106 we choose the correct version. */
108 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
109 definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
110 not have a default place to find these libraries.. */
112 /* Name the port(s). */
113 #define TARGET_NAME64 "NetBSD/sparc64 ELF"
114 #define TARGET_NAME32 "NetBSD/sparc ELF"
116 /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
119 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
120 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
121 /* A 64 bit v9 compiler with stack-bias,
122 in a Medium/Low code model environment. */
124 #undef TARGET_DEFAULT
125 #define TARGET_DEFAULT \
126 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
127 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
129 #undef SPARC_DEFAULT_CMODEL
130 #define SPARC_DEFAULT_CMODEL CM_MEDANY
134 /* CC1_SPEC for NetBSD/sparc. */
136 "%{sun4:} %{target:} \
137 %{mcypress:-mcpu=cypress} \
138 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
139 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
140 %{m32:%{m64:%emay not use both -m32 and -m64}} \
142 -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
149 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
150 %{!mno-vis:%{!mcpu=v9:-mvis}} \
151 %{p:-mcmodel=medlow} \
152 %{pg:-mcmodel=medlow}}"
155 "%{sun4:} %{target:} \
156 %{mcypress:-mcpu=cypress} \
157 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
158 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
159 %{m32:%{m64:%emay not use both -m32 and -m64}} \
161 -mptr32 -mno-stack-bias \
162 %{!mlong-double-128:-mlong-double-64} \
169 %{!msupersparc:-mcpu=cypress}}}}}}}} \
171 %{p:-mcmodel=medlow} \
172 %{pg:-mcmodel=medlow}}"
174 /* Make sure we use the right output format. Pick a default and then
175 make sure -m32/-m64 switch to the right one. */
177 #define LINK_ARCH32_SPEC "-m elf32_sparc"
179 #define LINK_ARCH64_SPEC "-m elf64_sparc"
181 #define LINK_ARCH_SPEC \
182 "%{m32:%(link_arch32)} \
183 %{m64:%(link_arch64)} \
184 %{!m32:%{!m64:%(link_arch_default)}}"
189 %{!mno-relax:%{!r:-relax}} \
192 #define NETBSD_ENTRY_POINT "__start"
195 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
197 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
200 /* What extra spec entries do we need? */
201 #undef SUBTARGET_EXTRA_SPECS
202 #define SUBTARGET_EXTRA_SPECS \
203 { "link_arch32", LINK_ARCH32_SPEC }, \
204 { "link_arch64", LINK_ARCH64_SPEC }, \
205 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
206 { "link_arch", LINK_ARCH_SPEC }, \
207 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
208 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
209 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
212 /* What extra switches do we need? */
213 #undef SUBTARGET_SWITCHES
214 #define SUBTARGET_SWITCHES \
215 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
216 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
219 /* Build a compiler that supports -m32 and -m64? */
223 #undef LONG_DOUBLE_TYPE_SIZE
224 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
226 #undef MAX_LONG_DOUBLE_TYPE_SIZE
227 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
229 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
230 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
232 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
237 #define CC1_SPEC CC1_SPEC32
239 #define CC1_SPEC CC1_SPEC64
243 #define MULTILIB_DEFAULTS { "m32" }
245 #define MULTILIB_DEFAULTS { "m64" }
250 #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
252 #else /* SPARC_BI_ARCH */
254 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
255 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
257 #undef LONG_DOUBLE_TYPE_SIZE
258 #define LONG_DOUBLE_TYPE_SIZE 128
260 #undef MAX_LONG_DOUBLE_TYPE_SIZE
261 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
263 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
264 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
267 #define CC1_SPEC CC1_SPEC64
270 #define TARGET_NAME TARGET_NAME64
272 #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
273 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
275 /* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
276 for 32-bit code, unlike Solaris. */
278 #undef LONG_DOUBLE_TYPE_SIZE
279 #define LONG_DOUBLE_TYPE_SIZE 64
281 #undef MAX_LONG_DOUBLE_TYPE_SIZE
282 #define MAX_LONG_DOUBLE_TYPE_SIZE 64
284 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
285 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
288 #define CC1_SPEC CC1_SPEC32
291 #define TARGET_NAME TARGET_NAME32
293 #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
294 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
296 #endif /* SPARC_BI_ARCH */
298 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
299 #undef CTORS_SECTION_ASM_OP
300 #undef DTORS_SECTION_ASM_OP