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-rw-r--r--sysdeps/tile/sysdep.h110
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diff --git a/sysdeps/tile/sysdep.h b/sysdeps/tile/sysdep.h
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+/* Copyright (C) 2011-2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdeps/generic/sysdep.h>
+#include <bits/wordsize.h>
+#include <arch/abi.h>
+
+#if defined __ASSEMBLER__ || defined REQUEST_ASSEMBLER_MACROS
+
+#include <feedback.h>
+
+/* Make use of .size directive. */
+#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
+
+/* Define an entry point visible from C. */
+#define ENTRY(name) \
+ .globl C_SYMBOL_NAME(name); \
+ .type C_SYMBOL_NAME(name),@function; \
+ .align 8; \
+ C_LABEL(name) \
+ cfi_startproc; \
+ CALL_MCOUNT
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(name)
+
+/* Since C identifiers are not normally prefixed with an underscore
+ on this system, the asm identifier `syscall_error' intrudes on the
+ C name space. Make sure we use an innocuous name. */
+#define syscall_error __syscall_error
+#define mcount __mcount
+
+/* If compiled for profiling, call `mcount' at the start of each function.
+ The mcount code requires the caller PC in r10. The `mcount' function
+ sets lr back to the value r10 had on entry when it returns. */
+#ifdef PROF
+#define CALL_MCOUNT { move r10, lr; jal mcount }
+#else
+#define CALL_MCOUNT /* Do nothing. */
+#endif
+
+/* Local label name for asm code. */
+#define L(name) .L##name
+
+/* Specify the size in bytes of a machine register. */
+#ifdef __tilegx__
+#define REGSIZE 8
+#else
+#define REGSIZE 4
+#endif
+
+/* Support a limited form of shared assembly between tilepro and tilegx.
+ The presumption is that LD/ST are used for manipulating registers.
+ Since opcode parsing is case-insensitive, we don't need to provide
+ definitions for these on tilegx. */
+#ifndef __tilegx__
+#define LD lw
+#define LD4U lw
+#define ST sw
+#define ST4 sw
+#define BNEZ bnz
+#define BEQZ bz
+#define BEQZT bzt
+#define BGTZ bgz
+#define CMPEQI seqi
+#define CMPEQ seq
+#define CMOVEQZ mvz
+#define CMOVNEZ mvnz
+#endif
+
+/* Provide "pointer-oriented" instruction variants. These differ not
+ just for tilepro vs tilegx, but also for tilegx -m64 vs -m32. */
+#if defined __tilegx__ && __WORDSIZE == 32
+#define ADD_PTR addx
+#define ADDI_PTR addxi
+#define ADDLI_PTR addxli
+#define LD_PTR ld4s
+#define ST_PTR st4
+#define SHL_PTR_ADD shl2add
+#else
+#define ADD_PTR add
+#define ADDI_PTR addi
+#define ADDLI_PTR addli
+#define LD_PTR LD
+#define ST_PTR ST
+#ifdef __tilegx__
+#define SHL_PTR_ADD shl3add
+#else
+#define SHL_PTR_ADD s2a
+#endif
+#endif
+
+#endif /* __ASSEMBLER__ */