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
|
/* Definitions for non-Linux based ARM systems using ELF
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by 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 this program; see the file COPYING. If not, write to
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* elfos.h should have already been included. Now just override
any conflicting definitions and add any extras. */
/* Run-time Target Specification. */
#ifndef TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/ELF)", stderr);
#endif
/* Default to using software floating point. */
#ifndef TARGET_DEFAULT
#define TARGET_DEFAULT (0)
#endif
/* Now we define the strings used to build the spec file. */
#undef STARTFILE_SPEC
#define STARTFILE_SPEC " crti%O%s crtbegin%O%s crt0%O%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
/* The __USES_INITFINI__ define is tested in newlib/libc/sys/arm/crt0.S
to see if it needs to invoked _init() and _fini(). */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC "-D__USES_INITFINI__"
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
/* Return a nonzero value if DECL has a section attribute. */
#define IN_NAMED_SECTION(DECL) \
((TREE_CODE (DECL) == FUNCTION_DECL || TREE_CODE (DECL) == VAR_DECL) \
&& DECL_SECTION_NAME (DECL) != NULL_TREE)
#undef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
do \
{ \
if (IN_NAMED_SECTION (DECL)) \
switch_to_section (get_named_section (DECL, NULL, 0)); \
else \
switch_to_section (bss_section); \
\
ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
\
last_assemble_variable_decl = DECL; \
ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
ASM_OUTPUT_SKIP (FILE, SIZE ? (int)(SIZE) : 1); \
} \
while (0)
#undef ASM_OUTPUT_ALIGNED_DECL_LOCAL
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do \
{ \
if ((DECL) != NULL && IN_NAMED_SECTION (DECL)) \
switch_to_section (get_named_section (DECL, NULL, 0)); \
else \
switch_to_section (bss_section); \
\
ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
ASM_OUTPUT_LABEL (FILE, NAME); \
fprintf (FILE, "\t.space\t%d\n", SIZE ? (int)(SIZE) : 1); \
} \
while (0)
#ifndef SUBTARGET_CPU_DEFAULT
#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm7tdmi
#endif
/* The libgcc udivmod functions may throw exceptions. If newlib is
configured to support long longs in I/O, then printf will depend on
udivmoddi4, which will depend on the exception unwind routines,
which will depend on abort, which is defined in libc. */
#undef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC "--start-group %G %L --end-group"
|
