OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [config/] [sparc/] [netbsd-elf.h] - Blame information for rev 154

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius
/* Definitions of target machine for GCC, for ELF on NetBSD/sparc
2
   and NetBSD/sparc64.
3
   Copyright (C) 2002, 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
4
   Contributed by Matthew Green (mrg@eterna.com.au).
5
 
6
This file is part of GCC.
7
 
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 3, or (at your option)
11
any later version.
12
 
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.
17
 
18
You should have received a copy of the GNU General Public License
19
along with GCC; see the file COPYING3.  If not see
20
<http://www.gnu.org/licenses/>.  */
21
 
22
#define TARGET_OS_CPP_BUILTINS()                        \
23
  do                                                    \
24
    {                                                   \
25
      NETBSD_OS_CPP_BUILTINS_ELF();                     \
26
      if (TARGET_ARCH64)                                \
27
        {                                               \
28
          builtin_define ("__sparc64__");               \
29
          builtin_define ("__sparc_v9__");              \
30
          builtin_define ("__sparcv9");                 \
31
        }                                               \
32
      else                                              \
33
        builtin_define ("__sparc");                     \
34
      builtin_define ("__sparc__");                     \
35
    }                                                   \
36
  while (0)
37
 
38
/* Make sure these are undefined.  */
39
#undef MD_EXEC_PREFIX
40
#undef MD_STARTFILE_PREFIX
41
 
42
/* CPP defines used by all NetBSD targets.  */
43
#undef CPP_SUBTARGET_SPEC
44
#define CPP_SUBTARGET_SPEC "%(netbsd_cpp_spec)"
45
 
46
/* SIZE_TYPE and PTRDIFF_TYPE are wrong from sparc/sparc.h.  */
47
#undef SIZE_TYPE
48
#define SIZE_TYPE "long unsigned int"
49
 
50
#undef PTRDIFF_TYPE
51
#define PTRDIFF_TYPE "long int"
52
 
53
/* This is the char to use for continuation (in case we need to turn
54
   continuation back on).  */
55
#undef DBX_CONTIN_CHAR
56
#define DBX_CONTIN_CHAR '?'
57
 
58
#undef  LOCAL_LABEL_PREFIX
59
#define LOCAL_LABEL_PREFIX  "."
60
 
61
/* This is how to store into the string LABEL
62
   the symbol_ref name of an internal numbered label where
63
   PREFIX is the class of label and NUM is the number within the class.
64
   This is suitable for output with `assemble_name'.  */
65
 
66
#undef  ASM_GENERATE_INTERNAL_LABEL
67
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)   \
68
  sprintf ((LABEL), "*.L%s%ld", (PREFIX), (long)(NUM))
69
 
70
#undef USER_LABEL_PREFIX
71
#define USER_LABEL_PREFIX ""
72
 
73
#undef ASM_SPEC
74
#define ASM_SPEC "%{fpic|fPIC|fpie|fPIE:-K PIC} %{V} %{v:%{!V:-V}} \
75
%{mlittle-endian:-EL} \
76
%(asm_cpu) %(asm_arch) %(asm_relax)"
77
 
78
#undef STDC_0_IN_SYSTEM_HEADERS
79
 
80
/* Attempt to enable execute permissions on the stack.  */
81
#define ENABLE_EXECUTE_STACK NETBSD_ENABLE_EXECUTE_STACK
82
 
83
#undef TARGET_VERSION
84
#define TARGET_VERSION fprintf (stderr, " (%s)", TARGET_NAME);
85
 
86
/* Below here exists the merged NetBSD/sparc & NetBSD/sparc64 compiler
87
   description, allowing one to build 32 bit or 64 bit applications
88
   on either.  We define the sparc & sparc64 versions of things,
89
   occasionally a neutral version (should be the same as "netbsd-elf.h")
90
   and then based on SPARC_BI_ARCH, DEFAULT_ARCH32_P, and TARGET_CPU_DEFAULT,
91
   we choose the correct version.  */
92
 
93
/* We use the default NetBSD ELF STARTFILE_SPEC and ENDFILE_SPEC
94
   definitions, even for the SPARC_BI_ARCH compiler, because NetBSD does
95
   not have a default place to find these libraries..  */
96
 
97
/* Name the port(s).  */
98
#define TARGET_NAME64     "NetBSD/sparc64 ELF"
99
#define TARGET_NAME32     "NetBSD/sparc ELF"
100
 
101
/* TARGET_CPU_DEFAULT is set in Makefile.in.  We test for 64-bit default
102
   platform here.  */
103
 
104
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
105
 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
106
/* A 64 bit v9 compiler with stack-bias,
107
   in a Medium/Low code model environment.  */
108
 
109
#undef TARGET_DEFAULT
110
#define TARGET_DEFAULT \
111
  (MASK_V9 + MASK_PTR64 + MASK_64BIT /* + MASK_HARD_QUAD */ \
112
   + MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
113
 
114
#undef SPARC_DEFAULT_CMODEL
115
#define SPARC_DEFAULT_CMODEL CM_MEDANY
116
 
117
#endif
118
 
119
/* CC1_SPEC for NetBSD/sparc.  */
120
#define CC1_SPEC32 \
121
 "%{sun4:} %{target:} \
122
  %{mcypress:-mcpu=cypress} \
123
  %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
124
  %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
125
  %{m32:%{m64:%emay not use both -m32 and -m64}} \
126
  %{m64: \
127
    -mptr64 -mstack-bias -mno-v8plus -mlong-double-128 \
128
    %{!mcpu*: \
129
      %{!mcypress: \
130
        %{!msparclite: \
131
          %{!mf930: \
132
            %{!mf934: \
133
              %{!mv8*: \
134
                %{!msupersparc:-mcpu=ultrasparc}}}}}}} \
135
    %{!mno-vis:%{!mcpu=v9:-mvis}} \
136
    %{p:-mcmodel=medlow} \
137
    %{pg:-mcmodel=medlow}}"
138
 
139
#define CC1_SPEC64 \
140
 "%{sun4:} %{target:} \
141
  %{mcypress:-mcpu=cypress} \
142
  %{msparclite:-mcpu=sparclite} %{mf930:-mcpu=f930} %{mf934:-mcpu=f934} \
143
  %{mv8:-mcpu=v8} %{msupersparc:-mcpu=supersparc} \
144
  %{m32:%{m64:%emay not use both -m32 and -m64}} \
145
  %{m32: \
146
    -mptr32 -mno-stack-bias \
147
    %{!mlong-double-128:-mlong-double-64} \
148
    %{!mcpu*: \
149
      %{!mcypress: \
150
        %{!msparclite: \
151
          %{!mf930: \
152
            %{!mf934: \
153
              %{!mv8*: \
154
                %{!msupersparc:-mcpu=cypress}}}}}}}} \
155
  %{!m32: \
156
    %{p:-mcmodel=medlow} \
157
    %{pg:-mcmodel=medlow}}"
158
 
159
/* Make sure we use the right output format.  Pick a default and then
160
   make sure -m32/-m64 switch to the right one.  */
161
 
162
#define LINK_ARCH32_SPEC "-m elf32_sparc"
163
 
164
#define LINK_ARCH64_SPEC "-m elf64_sparc"
165
 
166
#define LINK_ARCH_SPEC \
167
 "%{m32:%(link_arch32)} \
168
  %{m64:%(link_arch64)} \
169
  %{!m32:%{!m64:%(link_arch_default)}}"
170
 
171
#undef LINK_SPEC
172
#define LINK_SPEC \
173
 "%(link_arch) \
174
  %{!mno-relax:%{!r:-relax}} \
175
  %(netbsd_link_spec)"
176
 
177
#define NETBSD_ENTRY_POINT "__start"
178
 
179
#if DEFAULT_ARCH32_P
180
#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH32_SPEC
181
#else
182
#define LINK_ARCH_DEFAULT_SPEC LINK_ARCH64_SPEC
183
#endif
184
 
185
/* What extra spec entries do we need?  */
186
#undef SUBTARGET_EXTRA_SPECS
187
#define SUBTARGET_EXTRA_SPECS \
188
  { "link_arch32",              LINK_ARCH32_SPEC }, \
189
  { "link_arch64",              LINK_ARCH64_SPEC }, \
190
  { "link_arch_default",        LINK_ARCH_DEFAULT_SPEC }, \
191
  { "link_arch",                LINK_ARCH_SPEC }, \
192
  { "netbsd_cpp_spec",          NETBSD_CPP_SPEC }, \
193
  { "netbsd_link_spec",         NETBSD_LINK_SPEC_ELF }, \
194
  { "netbsd_entry_point",       NETBSD_ENTRY_POINT },
195
 
196
 
197
/* Build a compiler that supports -m32 and -m64?  */
198
 
199
#ifdef SPARC_BI_ARCH
200
 
201
#undef LONG_DOUBLE_TYPE_SIZE
202
#define LONG_DOUBLE_TYPE_SIZE (TARGET_LONG_DOUBLE_128 ? 128 : 64)
203
 
204
#if defined(__arch64__) || defined(__LONG_DOUBLE_128__)
205
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
206
#else
207
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
208
#endif
209
 
210
#undef  CC1_SPEC
211
#if DEFAULT_ARCH32_P
212
#define CC1_SPEC CC1_SPEC32
213
#else
214
#define CC1_SPEC CC1_SPEC64
215
#endif
216
 
217
#if DEFAULT_ARCH32_P
218
#define MULTILIB_DEFAULTS { "m32" }
219
#else
220
#define MULTILIB_DEFAULTS { "m64" }
221
#endif
222
 
223
/* Name the port.  */
224
#undef TARGET_NAME
225
#define TARGET_NAME     (DEFAULT_ARCH32_P ? TARGET_NAME32 : TARGET_NAME64)
226
 
227
#else   /* SPARC_BI_ARCH */
228
 
229
#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
230
 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
231
 
232
#undef LONG_DOUBLE_TYPE_SIZE
233
#define LONG_DOUBLE_TYPE_SIZE 128
234
 
235
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
236
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 128
237
 
238
#undef  CC1_SPEC
239
#define CC1_SPEC CC1_SPEC64
240
 
241
#undef TARGET_NAME
242
#define TARGET_NAME     TARGET_NAME64
243
 
244
#else   /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
245
        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
246
 
247
/* A 32-bit only compiler.  NetBSD don't support 128 bit `long double'
248
   for 32-bit code, unlike Solaris.  */
249
 
250
#undef LONG_DOUBLE_TYPE_SIZE
251
#define LONG_DOUBLE_TYPE_SIZE 64
252
 
253
#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
254
#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
255
 
256
#undef  CC1_SPEC
257
#define CC1_SPEC CC1_SPEC32
258
 
259
#undef TARGET_NAME
260
#define TARGET_NAME     TARGET_NAME32
261
 
262
#endif  /* TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
263
        || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc */
264
 
265
#endif  /* SPARC_BI_ARCH */
266
 
267
/* We use GNU ld so undefine this so that attribute((init_priority)) works.  */
268
#undef CTORS_SECTION_ASM_OP
269
#undef DTORS_SECTION_ASM_OP

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.