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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [arm/] [elf.h] - Blame information for rev 282

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 282 jeremybenn
/* Definitions of target machine for GNU compiler.
2
   For ARM with ELF obj format.
3
   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007,
4
   2008 Free Software Foundation, Inc.
5
   Contributed by Philip Blundell <philb@gnu.org> and
6
   Catherine Moore <clm@cygnus.com>
7
 
8
   This file is part of GCC.
9
 
10
   GCC is free software; you can redistribute it and/or modify it
11
   under the terms of the GNU General Public License as published
12
   by the Free Software Foundation; either version 3, or (at your
13
   option) any later version.
14
 
15
   GCC is distributed in the hope that it will be useful, but WITHOUT
16
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
18
   License for more details.
19
 
20
   You should have received a copy of the GNU General Public License
21
   along with GCC; see the file COPYING3.  If not see
22
   <http://www.gnu.org/licenses/>.  */
23
 
24
#ifndef OBJECT_FORMAT_ELF
25
 #error elf.h included before elfos.h
26
#endif
27
 
28
#ifndef LOCAL_LABEL_PREFIX
29
#define LOCAL_LABEL_PREFIX "."
30
#endif
31
 
32
#ifndef SUBTARGET_CPP_SPEC
33
#define SUBTARGET_CPP_SPEC  "-D__ELF__"
34
#endif
35
 
36
#ifndef SUBTARGET_EXTRA_SPECS
37
#define SUBTARGET_EXTRA_SPECS \
38
  { "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \
39
  { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \
40
  SUBSUBTARGET_EXTRA_SPECS
41
#endif
42
 
43
#ifndef SUBTARGET_EXTRA_ASM_SPEC
44
#define SUBTARGET_EXTRA_ASM_SPEC ""
45
#endif
46
 
47
#ifndef SUBTARGET_ASM_FLOAT_SPEC
48
#define SUBTARGET_ASM_FLOAT_SPEC "\
49
%{mapcs-float:-mfloat}"
50
#endif
51
 
52
#undef SUBSUBTARGET_EXTRA_SPECS
53
#define SUBSUBTARGET_EXTRA_SPECS
54
 
55
#ifndef ASM_SPEC
56
#define ASM_SPEC "\
57
%{mbig-endian:-EB} \
58
%{mlittle-endian:-EL} \
59
%{mcpu=*:-mcpu=%*} \
60
%{march=*:-march=%*} \
61
%{mapcs-*:-mapcs-%*} \
62
%(subtarget_asm_float_spec) \
63
%{mthumb-interwork:-mthumb-interwork} \
64
%{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
65
%{mfloat-abi=*} %{mfpu=*} \
66
%(subtarget_extra_asm_spec)"
67
#endif
68
 
69
/* The ARM uses @ are a comment character so we need to redefine
70
   TYPE_OPERAND_FMT.  */
71
#undef  TYPE_OPERAND_FMT
72
#define TYPE_OPERAND_FMT        "%%%s"
73
 
74
/* We might need a ARM specific header to function declarations.  */
75
#undef  ASM_DECLARE_FUNCTION_NAME
76
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)             \
77
  do                                                            \
78
    {                                                           \
79
      ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL);             \
80
      ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");       \
81
      ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));            \
82
      ASM_OUTPUT_LABEL(FILE, NAME);                             \
83
      ARM_OUTPUT_FN_UNWIND (FILE, TRUE);                        \
84
    }                                                           \
85
  while (0)
86
 
87
/* We might need an ARM specific trailer for function declarations.  */
88
#undef  ASM_DECLARE_FUNCTION_SIZE
89
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)            \
90
  do                                                            \
91
    {                                                           \
92
      ARM_OUTPUT_FN_UNWIND (FILE, FALSE);                       \
93
      if (!flag_inhibit_size_directive)                         \
94
        ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME);                 \
95
    }                                                           \
96
  while (0)
97
 
98
/* Define this macro if jump tables (for `tablejump' insns) should be
99
   output in the text section, along with the assembler instructions.
100
   Otherwise, the readonly data section is used.  */
101
/* We put ARM and Thumb-2 jump tables in the text section, because it makes
102
   the code more efficient, but for Thumb-1 it's better to put them out of
103
   band unless we are generating compressed tables.  */
104
#define JUMP_TABLES_IN_TEXT_SECTION                                     \
105
   (TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic)))
106
 
107
#ifndef LINK_SPEC
108
#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
109
#endif
110
 
111
/* Run-time Target Specification.  */
112
#ifndef TARGET_VERSION
113
#define TARGET_VERSION fputs (" (ARM/elf)", stderr)
114
#endif
115
 
116
#ifndef TARGET_DEFAULT
117
#define TARGET_DEFAULT (MASK_APCS_FRAME)
118
#endif
119
 
120
#ifndef MULTILIB_DEFAULTS
121
#define MULTILIB_DEFAULTS \
122
  { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork", "fno-leading-underscore" }
123
#endif
124
 
125
#define TARGET_ASM_FILE_START_APP_OFF true
126
#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
127
 
128
 
129
/* Output an element in the static constructor array.  */
130
#undef TARGET_ASM_CONSTRUCTOR
131
#define TARGET_ASM_CONSTRUCTOR arm_elf_asm_constructor
132
 
133
#undef TARGET_ASM_DESTRUCTOR
134
#define TARGET_ASM_DESTRUCTOR arm_elf_asm_destructor
135
 
136
/* For PIC code we need to explicitly specify (PLT) and (GOT) relocs.  */
137
#define NEED_PLT_RELOC  flag_pic
138
#define NEED_GOT_RELOC  flag_pic
139
 
140
/* The ELF assembler handles GOT addressing differently to NetBSD.  */
141
#define GOT_PCREL       0
142
 
143
/* Align output to a power of two.  Note ".align 0" is redundant,
144
   and also GAS will treat it as ".align 2" which we do not want.  */
145
#define ASM_OUTPUT_ALIGN(STREAM, POWER)                 \
146
  do                                                    \
147
    {                                                   \
148
      if ((POWER) > 0)                                  \
149
        fprintf (STREAM, "\t.align\t%d\n", POWER);      \
150
    }                                                   \
151
  while (0)
152
 
153
/* Horrible hack: We want to prevent some libgcc routines being included
154
   for some multilibs.  */
155
#ifndef __ARM_ARCH_6M__
156
#undef L_fixdfsi
157
#undef L_fixunsdfsi
158
#undef L_truncdfsf2
159
#undef L_fixsfsi
160
#undef L_fixunssfsi
161
#undef L_floatdidf
162
#undef L_floatdisf
163
#undef L_floatundidf
164
#undef L_floatundisf
165
#endif
166
 

powered by: WebSVN 2.1.0

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