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1.1 root 1: /* Support for GCC on simulated PowerPC systems targeted to embedded ELF
2: systems.
3: Copyright (C) 1995 Free Software Foundation, Inc.
4: Contributed by Cygnus Support.
5:
6: This file is part of GNU CC.
7:
8: GNU CC is free software; you can redistribute it and/or modify
9: it under the terms of the GNU General Public License as published by
10: the Free Software Foundation; either version 2, or (at your option)
11: any later version.
12:
13: GNU CC is distributed in the hope that it will be useful,
14: but WITHOUT ANY WARRANTY; without even the implied warranty of
15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: GNU General Public License for more details.
17:
18: You should have received a copy of the GNU General Public License
19: along with GNU CC; see the file COPYING. If not, write to
20: the Free Software Foundation, 59 Temple Place - Suite 330,
21: Boston, MA 02111-1307, USA. */
22:
23: #include "rs6000/eabile.h"
24:
25: /* Right now, the simulator doesn't handle floating point, so disable it
26: by default. */
27: #undef TARGET_DEFAULT
28: #define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS | MASK_LITTLE_ENDIAN | MASK_SOFT_FLOAT)
29:
30: #undef TARGET_VERSION
31: #define TARGET_VERSION fprintf (stderr, " (PowerPC Simulated)");
32:
33: #undef CPP_PREDEFINES
34: #define CPP_PREDEFINES \
35: "-DPPC -D__embedded__ -D__simulator__ -Asystem(embedded) -Asystem(simulator) -Acpu(powerpc) -Amachine(powerpc)"
36:
37: #undef CPP_SPEC
38: #define CPP_SPEC "\
39: %{posix: -D_POSIX_SOURCE} \
40: %{mrelocatable: -D_RELOCATABLE} \
41: %{mcall-sysv: -D_CALL_SYSV} %{mcall-aix: -D_CALL_AIX} %{!mcall-sysv: %{!mcall-aix: -D_CALL_SYSV}} \
42: %{!mhard-float: -D_SOFT_FLOAT} \
43: %{mlittle: -D_LITTLE_ENDIAN -Amachine(littleendian)} \
44: %{mlittle-endian: -D_LITTLE_ENDIAN -Amachine(littleendian)} \
45: %{!mlittle: %{!mlittle-endian: -D_LITTLE_ENDIAN -Amachine(littleendian)}} \
46: %{!mcpu*: \
47: %{mpower: %{!mpower2: -D_ARCH_PWR}} \
48: %{mpower2: -D_ARCH_PWR2} \
49: %{mpowerpc*: -D_ARCH_PPC} \
50: %{mno-powerpc: %{!mpower: %{!mpower2: -D_ARCH_COM}}} \
51: %{!mno-powerpc: -D_ARCH_PPC}} \
52: %{mcpu=common: -D_ARCH_COM} \
53: %{mcpu=power: -D_ARCH_PWR} \
54: %{mcpu=powerpc: -D_ARCH_PPC} \
55: %{mcpu=rios: -D_ARCH_PWR} \
56: %{mcpu=rios1: -D_ARCH_PWR} \
57: %{mcpu=rios2: -D_ARCH_PWR2} \
58: %{mcpu=rsc: -D_ARCH_PWR} \
59: %{mcpu=rsc1: -D_ARCH_PWR} \
60: %{mcpu=403: -D_ARCH_PPC} \
61: %{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
62: %{mcpu=603: -D_ARCH_PPC} \
63: %{mcpu=604: -D_ARCH_PPC}"
64:
65: /* Use the simulator crt0 and libgloss/newlib libraries */
66: #undef STARTFILE_SPEC
67: #define STARTFILE_SPEC "sim-crt0.o%s"
68:
69: #undef LIB_SPEC
70: #define LIB_SPEC "-lsim -lc -lsim"
71:
72: #undef LIBGCC_SPEC
73: #define LIBGCC_SPEC "libgcc.a%s"
74:
75: #undef ENDFILE_SPEC
76: #define ENDFILE_SPEC ""
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