From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- gcc-4.9/gcc/config/tilegx/linux.h | 72 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 gcc-4.9/gcc/config/tilegx/linux.h (limited to 'gcc-4.9/gcc/config/tilegx/linux.h') diff --git a/gcc-4.9/gcc/config/tilegx/linux.h b/gcc-4.9/gcc/config/tilegx/linux.h new file mode 100644 index 000000000..8cdedcbbe --- /dev/null +++ b/gcc-4.9/gcc/config/tilegx/linux.h @@ -0,0 +1,72 @@ +/* Definitions for TILE-Gx running Linux-based GNU systems with ELF. + Copyright (C) 2011-2014 Free Software Foundation, Inc. + Contributed by Walter Lee (walt@tilera.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 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 + . */ + +#undef CPP_SPEC +#define CPP_SPEC "%{pthread:-D_REENTRANT}" + +#undef ASM_SPEC +#define ASM_SPEC "%(endian_spec) %{m32:--32} %{m64:--64}" + +#undef LINK_SPEC +#define LINK_SPEC "%(endian_spec) \ + %{m64:-m elf64tilegx} %{m32:-m elf32tilegx} \ + %{shared:-shared} \ + %{!shared: \ + %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker \ + %{ m32: /lib32/ld.so.1} \ + %{!m32: /lib/ld.so.1}} \ + %{static:-static}}" + +#define MULTILIB_DEFAULTS { "m64" } + +#define NO_PROFILE_COUNTERS 1 + +#undef MCOUNT_NAME +#define MCOUNT_NAME "__mcount" + +#undef NEED_INDICATE_EXEC_STACK +#define NEED_INDICATE_EXEC_STACK 1 + +#ifdef TARGET_LIBC_PROVIDES_SSP +/* TILE-Gx glibc provides __stack_chk_guard two pointer-size words before + tp. */ +#define TARGET_THREAD_SSP_OFFSET (-2 * GET_MODE_SIZE (ptr_mode)) +#endif + +/* For __clear_cache in libgcc2.c. */ +#ifdef IN_LIBGCC2 + +#include + +/* Use the minimum page size of 4K. Alternatively we can call + getpagesize() but it introduces a libc dependence. */ +#undef CLEAR_INSN_CACHE +#define CLEAR_INSN_CACHE(beg, end) invalidate_icache (beg, end - beg, 4096) + +#else + +/* define CLEAR_INSN_CACHE so that gcc knows to expand __builtin__clear_cache + to the libraray call. */ +#undef CLEAR_INSN_CACHE +#define CLEAR_INSN_CACHE 1 + +#endif -- cgit v1.2.3