1 /* Definitions of target machine for GNU compiler, for ELF on NetBSD/sparc
3 Copyright (C) 2002 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 NETBSD_OS_CPP_BUILTINS_LP64(); \
30 builtin_define ("__sparc64__"); \
31 builtin_define ("__sparc_v9__"); \
34 builtin_define ("__sparc"); \
35 builtin_define ("__sparc__"); \
39 /* Make sure these are undefined. */
41 #undef MD_STARTFILE_PREFIX
43 /* Make sure this is undefined. */
46 /* CPP defines used by all NetBSD targets. */
47 #undef CPP_SUBTARGET_SPEC
48 #define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
50 /* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h. */
52 #define SIZE_TYPE "long unsigned int"
55 #define PTRDIFF_TYPE "long int"
57 #undef PREFERRED_DEBUGGING_TYPE
58 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
60 /* This is the char to use for continuation (in case we need to turn
61 continuation back on). */
62 #undef DBX_CONTIN_CHAR
63 #define DBX_CONTIN_CHAR '?'
65 #undef DBX_REGISTER_NUMBER
66 #define DBX_REGISTER_NUMBER(REGNO) \
67 (TARGET_FLAT && REGNO == HARD_FRAME_POINTER_REGNUM ? 31 : REGNO)
69 #undef LOCAL_LABEL_PREFIX
70 #define LOCAL_LABEL_PREFIX "."
72 /* This is how to output a definition of an internal numbered label where
73 PREFIX is the class of label and NUM is the number within the class. */
75 #undef ASM_OUTPUT_INTERNAL_LABEL
76 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
77 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
79 /* This is how to output a reference to an internal numbered label where
80 PREFIX is the class of label and NUM is the number within the class. */
82 #undef ASM_OUTPUT_INTERNAL_LABELREF
83 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
84 fprintf (FILE, ".L%s%d", PREFIX, NUM)
86 /* This is how to store into the string LABEL
87 the symbol_ref name of an internal numbered label where
88 PREFIX is the class of label and NUM is the number within the class.
89 This is suitable for output with `assemble_name'. */
91 #undef ASM_GENERATE_INTERNAL_LABEL
92 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
93 sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
95 #undef USER_LABEL_PREFIX
96 #define USER_LABEL_PREFIX ""
99 #define ASM_SPEC "%{fpic:-K PIC} %{fPIC:-K PIC} %{V} %{v:%{!V:-V}} \
100 %{mlittle-endian:-EL} \
101 %(asm_cpu) %(asm_arch) %(asm_relax)"
103 #undef STDC_0_IN_SYSTEM_HEADERS
105 /* Attempt to enable execute permissions on the stack. */
106 #define TRANSFER_FROM_TRAMPOLINE NETBSD_ENABLE_EXECUTE_STACK
108 #undef TARGET_VERSION
109 #define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
112 * Clean up afterwards generic SPARC ELF configuration.
115 /* FIXME: Aren't these supposed to be available for SPARC ELF? */
116 #undef MULDI3_LIBCALL
117 #undef DIVDI3_LIBCALL
118 #undef UDIVDI3_LIBCALL
119 #undef MODDI3_LIBCALL
120 #undef UMODDI3_LIBCALL
121 #undef INIT_SUBTARGET_OPTABS
122 #define INIT_SUBTARGET_OPTABS
124 /* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
125 description, allowing one to build 32 bit or 64 bit applications
126 on either. We define the sparc & sparc64 versions of things,
127 occasionally a neutral version (should be the same as "netbsd-elf.h")
128 and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
129 we choose the correct version. */
131 /* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
132 definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
133 not have a default place to find these libraries.. */
135 /* Name the port(s). */
136 #define TARGET_NAME64 "NetBSD/sparc64 ELF"
137 #define TARGET_NAME32 "NetBSD/sparc ELF"
139 /* TARGET_CPU_DEFAULT is set in Makefile.in. We test for 64-bit default
142 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
143 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
144 /* A 64 bit v9 compiler with stack-bias,
145 in a Medium/Low code model environment. */
147 #undef TARGET_DEFAULT
148 #define TARGET_DEFAULT \
149 (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
150 + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
152 #undef SPARC_DEFAULT_CMODEL
153 #define SPARC_DEFAULT_CMODEL CM_MEDANY
157 /* CC1_SPEC for NetBSD/sparc. */
159 "%{sun4:} %{target:} \
160 %{mcypress:-mcpu=cypress} \
161 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
162 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
163 %{m32:%{m64:%emay not use both -m32 and -m64}} \
165 -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
172 %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
173 %{!mno-vis:%{!mcpu=v9:-mvis}} \
174 %{p:-mcmodel=medlow} \
175 %{pg:-mcmodel=medlow}}"
178 "%{sun4:} %{target:} \
179 %{mcypress:-mcpu=cypress} \
180 %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
181 %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
182 %{m32:%{m64:%emay not use both -m32 and -m64}} \
184 -mptr32 -mno-stack-bias \
185 %{!mlong-double-128:-mlong-double-64} \
192 %{!msupersparc:-mcpu=cypress}}}}}}}} \
194 %{p:-mcmodel=medlow} \
195 %{pg:-mcmodel=medlow}}"
197 /* Make sure we use the right output format. Pick a default and then
198 make sure -m32/-m64 switch to the right one. */
200 #define LINK_ARCH32_SPEC "-m elf32_sparc"
202 #define LINK_ARCH64_SPEC "-m elf64_sparc"
204 #define LINK_ARCH_SPEC \
205 "%{m32:%(link_arch32)} \
206 %{m64:%(link_arch64)} \
207 %{!m32:%{!m64:%(link_arch_default)}}"
212 %{!mno-relax:%{!r:-relax}} \
215 #define NETBSD_ENTRY_POINT "__start"
218 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
220 #define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
223 /* What extra spec entries do we need? */
224 #undef SUBTARGET_EXTRA_SPECS
225 #define SUBTARGET_EXTRA_SPECS \
226 { "link_arch32", LINK_ARCH32_SPEC }, \
227 { "link_arch64", LINK_ARCH64_SPEC }, \
228 { "link_arch_default", LINK_ARCH_DEFAULT_SPEC }, \
229 { "link_arch", LINK_ARCH_SPEC }, \
230 { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
231 { "netbsd_link_spec", NETBSD_LINK_SPEC_ELF }, \
232 { "netbsd_entry_point", NETBSD_ENTRY_POINT },
235 /* What extra switches do we need? */
236 #undef SUBTARGET_SWITCHES
237 #define SUBTARGET_SWITCHES \
238 {"long-double-64", -MASK_LONG_DOUBLE_128, N_("Use 64 bit long doubles") }, \
239 {"long-double-128", MASK_LONG_DOUBLE_128, N_("Use 128 bit long doubles") },
242 /* Build a compiler that supports -m32 and -m64? */
246 #undef LONG_DOUBLE_TYPE_SIZE
247 #define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
249 #undef MAX_LONG_DOUBLE_TYPE_SIZE
250 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
252 #if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
253 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
255 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
260 #define CC1_SPEC CC1_SPEC32
262 #define CC1_SPEC CC1_SPEC64
266 #define MULTILIB_DEFAULTS { "m32" }
268 #define MULTILIB_DEFAULTS { "m64" }
273 #define TARGET_NAME (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
275 #else /* SPARC_BI_ARCH */
277 #if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
278 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
280 #undef LONG_DOUBLE_TYPE_SIZE
281 #define LONG_DOUBLE_TYPE_SIZE 128
283 #undef MAX_LONG_DOUBLE_TYPE_SIZE
284 #define MAX_LONG_DOUBLE_TYPE_SIZE 128
286 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
287 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
290 #define CC1_SPEC CC1_SPEC64
293 #define TARGET_NAME TARGET_NAME64
295 #else /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
296 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
298 /* A 32-bit only compiler. NetBSD don't support 128 bit `long double'
299 for 32-bit code, unlike Solaris. */
301 #undef LONG_DOUBLE_TYPE_SIZE
302 #define LONG_DOUBLE_TYPE_SIZE 64
304 #undef MAX_LONG_DOUBLE_TYPE_SIZE
305 #define MAX_LONG_DOUBLE_TYPE_SIZE 64
307 #undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
308 #define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
311 #define CC1_SPEC CC1_SPEC32
314 #define TARGET_NAME TARGET_NAME32
316 #endif /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
317 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
319 #endif /* SPARC_BI_ARCH */
321 /* We use GNU ld so undefine this so that attribute((init_priority)) works. */
322 #undef CTORS_SECTION_ASM_OP
323 #undef DTORS_SECTION_ASM_OP