?? netbsd-elf.h
字號:
/* Definitions for SH running NetBSD using ELF Copyright (C) 2002, 2003, 2004, 2005 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 modifyit under the terms of the GNU General Public License as published bythe 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 ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; see the file COPYING. If not, write tothe Free Software Foundation, 51 Franklin Street, Fifth Floor,Boston, MA 02110-1301, USA. *//* Run-time Target Specification. */#if TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN#define TARGET_VERSION_ENDIAN "le"#else#define TARGET_VERSION_ENDIAN ""#endif#if TARGET_CPU_DEFAULT & MASK_SH5#if TARGET_CPU_DEFAULT & MASK_SH_E#define TARGET_VERSION_CPU "sh5"#else#define TARGET_VERSION_CPU "sh64"#endif /* MASK_SH_E */#else#define TARGET_VERSION_CPU "sh"#endif /* MASK_SH5 */#undef TARGET_VERSION#define TARGET_VERSION fprintf (stderr, " (NetBSD/%s%s ELF)", \ TARGET_VERSION_CPU, TARGET_VERSION_ENDIAN)/* 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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