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

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [config/] [sh/] [netbsd-elf.h] - Blame information for rev 709

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 709 jeremybenn
/* Definitions for SH running NetBSD using ELF
2
   Copyright (C) 2002, 2003, 2004, 2005, 2007, 2011
3
   Free Software Foundation, Inc.
4
   Contributed by Wasabi Systems, Inc.
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
/* Run-time Target Specification.  */
23
 
24
/* Extra specs needed for NetBSD SuperH ELF targets.  */
25
 
26
#undef SUBTARGET_EXTRA_SPECS
27
#define SUBTARGET_EXTRA_SPECS                                           \
28
  { "netbsd_entry_point", NETBSD_ENTRY_POINT },
29
 
30
 
31
#define TARGET_OS_CPP_BUILTINS()                                        \
32
  do                                                                    \
33
    {                                                                   \
34
      NETBSD_OS_CPP_BUILTINS_ELF();                                     \
35
      builtin_define ("__NO_LEADING_UNDERSCORES__");                    \
36
    }                                                                   \
37
  while (0)
38
 
39
/* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
40
   We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
41
   SUBTARGET_LINK_SPEC that pulls in what we need from a generic
42
   NetBSD ELF LINK_SPEC.  */
43
 
44
/* LINK_EMUL_PREFIX from sh/elf.h */
45
 
46
#undef SUBTARGET_LINK_EMUL_SUFFIX
47
#define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
48
 
49
#undef SUBTARGET_LINK_SPEC
50
#define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
51
 
52
#undef LINK_SPEC
53
#define LINK_SPEC SH_LINK_SPEC
54
 
55
#define NETBSD_ENTRY_POINT "__start"
56
 
57
/* Provide a CPP_SPEC appropriate for NetBSD.  */
58
#undef SUBTARGET_CPP_SPEC
59
#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
60
 
61
#undef TARGET_DEFAULT
62
#define TARGET_DEFAULT \
63
  (TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT)
64
 
65
/* Define because we use the label and we do not need them.  */
66
#define NO_PROFILE_COUNTERS 1
67
 
68
#undef FUNCTION_PROFILER
69
#define FUNCTION_PROFILER(STREAM,LABELNO)                               \
70
do                                                                      \
71
  {                                                                     \
72
    if (TARGET_SHMEDIA32 || TARGET_SHMEDIA64)                           \
73
      {                                                                 \
74
        /* FIXME */                                                     \
75
        sorry ("unimplemented-shmedia profiling");                      \
76
      }                                                                 \
77
    else                                                                \
78
      {                                                                 \
79
        fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n",                       \
80
                LOCAL_LABEL_PREFIX, (LABELNO));                         \
81
        fprintf((STREAM), "\tmova\t%sLP%dr,r0\n",                       \
82
                LOCAL_LABEL_PREFIX, (LABELNO));                         \
83
        fprintf((STREAM), "\tjmp\t@r1\n");                              \
84
        fprintf((STREAM), "\tnop\n");                                   \
85
        fprintf((STREAM), "\t.align\t2\n");                             \
86
        fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n",                 \
87
                LOCAL_LABEL_PREFIX, (LABELNO));                         \
88
        fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO)); \
89
      }                                                                 \
90
  }                                                                     \
91
while (0)
92
 
93
/* Since libgcc is compiled with -fpic for this target, we can't use
94
   __sdivsi3_1 as the division strategy for -O0 and -Os.  */
95
#undef SH_DIV_STRATEGY_DEFAULT
96
#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
97
#undef SH_DIV_STR_FOR_SIZE
98
#define SH_DIV_STR_FOR_SIZE "call2"

powered by: WebSVN 2.1.0

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