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1 | /* Configuration file for ARM GNU/Linux EABI targets. |
2 | Copyright (C) 2004 | |
3 | Free Software Foundation, Inc. | |
4 | Contributed by CodeSourcery, LLC | |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published | |
10 | by the Free Software Foundation; either version 2, or (at your | |
11 | option) any later version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT | |
14 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
16 | 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 COPYING. If not, write to | |
20 | the Free Software Foundation, 51 Franklin Street, Fifth Floor, | |
21 | Boston, MA 02110-1301, USA. */ | |
22 | ||
23 | /* On EABI GNU/Linux, we want both the BPABI builtins and the | |
24 | GNU/Linux builtins. */ | |
25 | #undef TARGET_OS_CPP_BUILTINS | |
26 | #define TARGET_OS_CPP_BUILTINS() \ | |
27 | do \ | |
28 | { \ | |
29 | TARGET_BPABI_CPP_BUILTINS(); \ | |
30 | LINUX_TARGET_OS_CPP_BUILTINS(); \ | |
31 | } \ | |
32 | while (false) | |
33 | ||
34 | /* We default to a soft-float ABI so that binaries can run on all | |
35 | target hardware. */ | |
36 | #undef TARGET_DEFAULT_FLOAT_ABI | |
37 | #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT | |
38 | ||
39 | /* We default to the "aapcs-linux" ABI so that enums are int-sized by | |
40 | default. */ | |
41 | #undef ARM_DEFAULT_ABI | |
42 | #define ARM_DEFAULT_ABI ARM_ABI_AAPCS_LINUX | |
43 | ||
44 | /* Default to armv5t so that thumb shared libraries work. | |
45 | The ARM10TDMI core is the default for armv5t, so set | |
46 | SUBTARGET_CPU_DEFAULT to achieve this. */ | |
47 | #undef SUBTARGET_CPU_DEFAULT | |
48 | #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi | |
49 | ||
50 | #undef SUBTARGET_EXTRA_LINK_SPEC | |
51 | #define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi" | |
52 | ||
53 | /* Use ld-linux.so.3 so that it will be possible to run "classic" | |
54 | GNU/Linux binaries on an EABI system. */ | |
55 | #undef LINUX_TARGET_INTERPRETER | |
56 | #define LINUX_TARGET_INTERPRETER "/lib/ld-linux.so.3" | |
57 | ||
58 | /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to | |
59 | use the GNU/Linux version, not the generic BPABI version. */ | |
60 | #undef LINK_SPEC | |
61 | #define LINK_SPEC LINUX_TARGET_LINK_SPEC | |
62 | ||
63 | /* Use the default LIBGCC_SPEC, not the version in linux-elf.h, as we | |
64 | do not use -lfloat. */ | |
65 | #undef LIBGCC_SPEC | |
66 | ||
67 | /* Use the AAPCS type for wchar_t, or the previous Linux default for | |
68 | non-AAPCS. */ | |
69 | #undef WCHAR_TYPE | |
70 | #define WCHAR_TYPE (TARGET_AAPCS_BASED ? "unsigned int" : "long int") |