netbsd-elf.h revision 1.10 
1/* Definitions for SH running NetBSD using ELF
2   Copyright (C) 2002-2019 Free Software Foundation, Inc.
3   Contributed by Wasabi Systems, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3.  If not see
19<http://www.gnu.org/licenses/>.  */
20
21/* Run-time Target Specification.  */
22
23#define TARGET_OS_CPP_BUILTINS()					\
24  do									\
25    {									\
26      NETBSD_OS_CPP_BUILTINS_ELF();					\
27      builtin_define ("__NO_LEADING_UNDERSCORES__");			\
28    }									\
29  while (0)
30
31/* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
32   We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
33   SUBTARGET_LINK_SPEC that pulls in what we need from a generic
34   NetBSD ELF LINK_SPEC.  */
35
36/* LINK_EMUL_PREFIX from sh/elf.h */
37#undef SUBTARGET_LINK_EMUL_SUFFIX
38#define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
39
40#undef SUBTARGET_LINK_SPEC
41#define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
42
43#undef LINK_SPEC
44#define LINK_SPEC SH_LINK_SPEC
45
46#define NETBSD_ENTRY_POINT "__start"
47
48/* Provide a CPP_SPEC appropriate for NetBSD.  */
49#undef SUBTARGET_CPP_SPEC
50#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
51
52#undef TARGET_DEFAULT
53#define TARGET_DEFAULT \
54  (TARGET_CPU_DEFAULT | TARGET_ENDIAN_DEFAULT)
55
56/* Define because we use the label and we do not need them.  */
57#define NO_PROFILE_COUNTERS 1
58
59#undef FUNCTION_PROFILER
60#define FUNCTION_PROFILER(STREAM,LABELNO)				\
61do									\
62  {									\
63        fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n",			\
64                LOCAL_LABEL_PREFIX, (LABELNO));				\
65        fprintf((STREAM), "\tmova\t%sLP%dr,r0\n",			\
66                LOCAL_LABEL_PREFIX, (LABELNO));				\
67        fprintf((STREAM), "\tjmp\t@r1\n");				\
68        fprintf((STREAM), "\tnop\n");					\
69        fprintf((STREAM), "\t.align\t2\n");				\
70        fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n",			\
71                LOCAL_LABEL_PREFIX, (LABELNO));				\
72        fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO));	\
73  }									\
74while (0)
75
76#undef SUBTARGET_OVERRIDE_OPTIONS
77#define SUBTARGET_OVERRIDE_OPTIONS					\
78  do									\
79    {									\
80      /* Set -musermode if it hasn't been specified.  */		\
81      if (global_options_set.x_TARGET_USERMODE == 0)			\
82	TARGET_USERMODE = true;						\
83    }									\
84  while (0)
85