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/* Definitions for SH running NetBSD using ELF
Copyright (C) 2002-2013 Free Software Foundation, Inc.
Contributed by Wasabi Systems, Inc.
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 3, 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 COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* Run-time Target Specification. */
/* Extra specs needed for NetBSD SuperH ELF targets. */
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
NETBSD_OS_CPP_BUILTINS_ELF(); \
builtin_define ("__NO_LEADING_UNDERSCORES__"); \
} \
while (0)
/* Provide a LINK_SPEC appropriate for a NetBSD/sh ELF target.
We use the SH_LINK_SPEC from sh/sh.h, and define the appropriate
SUBTARGET_LINK_SPEC that pulls in what we need from a generic
NetBSD ELF LINK_SPEC. */
/* LINK_EMUL_PREFIX from sh/elf.h */
#undef SUBTARGET_LINK_EMUL_SUFFIX
#define SUBTARGET_LINK_EMUL_SUFFIX "_nbsd"
#undef SUBTARGET_LINK_SPEC
#define SUBTARGET_LINK_SPEC NETBSD_LINK_SPEC_ELF
#undef LINK_SPEC
#define LINK_SPEC SH_LINK_SPEC
#define NETBSD_ENTRY_POINT "__start"
/* Provide a CPP_SPEC appropriate for NetBSD. */
#undef SUBTARGET_CPP_SPEC
#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
(TARGET_CPU_DEFAULT | MASK_USERMODE | TARGET_ENDIAN_DEFAULT)
/* Define because we use the label and we do not need them. */
#define NO_PROFILE_COUNTERS 1
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(STREAM,LABELNO) \
do \
{ \
if (TARGET_SHMEDIA32 || TARGET_SHMEDIA64) \
{ \
/* FIXME */ \
sorry ("unimplemented-shmedia profiling"); \
} \
else \
{ \
fprintf((STREAM), "\tmov.l\t%sLP%d,r1\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "\tmova\t%sLP%dr,r0\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "\tjmp\t@r1\n"); \
fprintf((STREAM), "\tnop\n"); \
fprintf((STREAM), "\t.align\t2\n"); \
fprintf((STREAM), "%sLP%d:\t.long\t__mcount\n", \
LOCAL_LABEL_PREFIX, (LABELNO)); \
fprintf((STREAM), "%sLP%dr:\n", LOCAL_LABEL_PREFIX, (LABELNO)); \
} \
} \
while (0)
/* Since libgcc is compiled with -fpic for this target, we can't use
__sdivsi3_1 as the division strategy for -O0 and -Os. */
#undef SH_DIV_STRATEGY_DEFAULT
#define SH_DIV_STRATEGY_DEFAULT SH_DIV_CALL2
#undef SH_DIV_STR_FOR_SIZE
#define SH_DIV_STR_FOR_SIZE "call2"
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