1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/* Definitions of target machine for GNU compiler.
For ARM with ELF obj format.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004
Free Software Foundation, Inc.
Contributed by Philip Blundell <philb@gnu.org> and
Catherine Moore <clm@cygnus.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2, or (at your
option) any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef OBJECT_FORMAT_ELF
#error elf.h included before elfos.h
#endif
#ifndef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
#endif
#ifndef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "-D__ELF__"
#endif
#ifndef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "subtarget_extra_asm_spec", SUBTARGET_EXTRA_ASM_SPEC }, \
{ "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC },
#endif
#ifndef SUBTARGET_EXTRA_ASM_SPEC
#define SUBTARGET_EXTRA_ASM_SPEC ""
#endif
#ifndef SUBTARGET_ASM_FLOAT_SPEC
#define SUBTARGET_ASM_FLOAT_SPEC "\
%{mapcs-float:-mfloat}"
#endif
#ifndef ASM_SPEC
#define ASM_SPEC "\
%{mbig-endian:-EB} \
%{mlittle-endian:-EL} \
%{mcpu=*:-mcpu=%*} \
%{march=*:-march=%*} \
%{mapcs-*:-mapcs-%*} \
%(subtarget_asm_float_spec) \
%{mthumb-interwork:-mthumb-interwork} \
%{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
%{mfloat-abi=*} %{mfpu=*} \
%(subtarget_extra_asm_spec)"
#endif
/* The ARM uses @ are a comment character so we need to redefine
TYPE_OPERAND_FMT. */
#undef TYPE_OPERAND_FMT
#define TYPE_OPERAND_FMT "%%%s"
/* We might need a ARM specific header to function declarations. */
#undef ASM_DECLARE_FUNCTION_NAME
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
do \
{ \
ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL); \
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function"); \
ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
ASM_OUTPUT_LABEL(FILE, NAME); \
} \
while (0)
/* We might need an ARM specific trailer for function declarations. */
#undef ASM_DECLARE_FUNCTION_SIZE
#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
do \
{ \
ARM_DECLARE_FUNCTION_SIZE (FILE, FNAME, DECL); \
if (!flag_inhibit_size_directive) \
ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \
} \
while (0)
/* Define this macro if jump tables (for `tablejump' insns) should be
output in the text section, along with the assembler instructions.
Otherwise, the readonly data section is used. */
/* We put ARM jump tables in the text section, because it makes the code
more efficient, but for Thumb it's better to put them out of band. */
#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_ARM)
#ifndef LINK_SPEC
#define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
#endif
/* Run-time Target Specification. */
#ifndef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/elf)", stderr)
#endif
#ifndef TARGET_DEFAULT
#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | ARM_FLAG_APCS_32 | ARM_FLAG_APCS_FRAME)
#endif
#ifndef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS \
{ "marm", "mlittle-endian", "msoft-float", "mapcs-32", "mno-thumb-interwork", "fno-leading-underscore" }
#endif
#define TARGET_ASM_FILE_START_APP_OFF true
#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION arm_elf_asm_named_section
/* For PIC code we need to explicitly specify (PLT) and (GOT) relocs. */
#define NEED_PLT_RELOC flag_pic
#define NEED_GOT_RELOC flag_pic
/* The ELF assembler handles GOT addressing differently to NetBSD. */
#define GOT_PCREL 0
/* Biggest alignment supported by the object file format of this
machine. Use this macro to limit the alignment which can be
specified using the `__attribute__ ((aligned (N)))' construct. If
not defined, the default value is `BIGGEST_ALIGNMENT'. */
#define MAX_OFILE_ALIGNMENT (32768 * 8)
/* Align output to a power of two. Note ".align 0" is redundant,
and also GAS will treat it as ".align 2" which we do not want. */
#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
do \
{ \
if ((POWER) > 0) \
fprintf (STREAM, "\t.align\t%d\n", POWER); \
} \
while (0)
#define SUPPORTS_INIT_PRIORITY 1
|
