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Support Sparc without the need of a temporary ByteBuffer for every memory access
author Christian Wimmer <christian.wimmer@oracle.com>
date Thu, 16 Apr 2015 16:07:34 -0700
parents b9c06f87e476
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #
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2 # Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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3 # Copyright (c) 2012, 2013 SAP. All rights reserved.
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 #
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6 # This code is free software; you can redistribute it and/or modify it
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7 # under the terms of the GNU General Public License version 2 only, as
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8 # published by the Free Software Foundation.
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9 #
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10 # This code is distributed in the hope that it will be useful, but WITHOUT
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 # version 2 for more details (a copy is included in the LICENSE file that
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14 # accompanied this code).
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15 #
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16 # You should have received a copy of the GNU General Public License version
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17 # 2 along with this work; if not, write to the Free Software Foundation,
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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19 #
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21 # or visit www.oracle.com if you need additional information or have any
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22 # questions.
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23 #
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24 #
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25
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26 #------------------------------------------------------------------------
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27 # CC, CXX & AS
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28
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29 # Set compiler explicitly
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30 CXX = $(COMPILER_PATH)xlC_r
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31 CC = $(COMPILER_PATH)xlc_r
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32 HOSTCXX = $(CXX)
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33 HOSTCC = $(CC)
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34
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35 AS = $(CC) -c
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36
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37 # get xlc version
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38 CXX_VERSION := $(shell $(CXX) -qversion 2>&1 | sed -n 's/.*Version: \([0-9.]*\)/\1/p')
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39
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40 # xlc 08.00.0000.0023 and higher supports -qtune=balanced
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41 CXX_SUPPORTS_BALANCED_TUNING=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 080000000023 ] ; then echo "true" ; fi)
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42 # xlc 10.01 is used with aggressive optimizations to boost performance
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43 CXX_IS_V10=$(shell if [ $(subst .,,$(CXX_VERSION)) -ge 100100000000 ] ; then echo "true" ; fi)
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44
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45 # check for precompiled headers support
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46
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47 # Switch off the precompiled header support. Neither xlC 8.0 nor xlC 10.0
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48 # support precompiled headers. Both "understand" the command line switches "-qusepcomp" and
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49 # "-qgenpcomp" but when we specify them the following message is printed:
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50 # "1506-755 (W) The -qusepcomp option is not supported in this release."
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51 USE_PRECOMPILED_HEADER = 0
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52 ifneq ($(USE_PRECOMPILED_HEADER),0)
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53 PRECOMPILED_HEADER_DIR=.
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54 PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled/precompiled.hpp
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55 PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
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56 endif
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57
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58
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59 #------------------------------------------------------------------------
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60 # Compiler flags
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61
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62 # position-independent code
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63 PICFLAG = -qpic=large
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64
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65 VM_PICFLAG/LIBJVM = $(PICFLAG)
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66 VM_PICFLAG/AOUT =
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67 VM_PICFLAG = $(VM_PICFLAG/$(LINK_INTO))
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68
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69 CFLAGS += $(VM_PICFLAG)
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70 CFLAGS += -qnortti
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71 CFLAGS += -qnoeh
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72
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73 CFLAGS += -D_REENTRANT
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74 # no xlc counterpart for -fcheck-new
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75 # CFLAGS += -fcheck-new
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76
20801
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77 # We need to define this on the command line if we want to use the the
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78 # predefined format specifiers from "inttypes.h". Otherwise system headrs
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79 # can indirectly include inttypes.h before we define __STDC_FORMAT_MACROS
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80 # in globalDefinitions.hpp
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81 CFLAGS += -D__STDC_FORMAT_MACROS
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82
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83 ARCHFLAG = -q64
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84
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85 CFLAGS += $(ARCHFLAG)
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86 AOUT_FLAGS += $(ARCHFLAG)
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87 LFLAGS += $(ARCHFLAG)
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88 ASFLAGS += $(ARCHFLAG)
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89
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90 # Use C++ Interpreter
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91 ifdef CC_INTERP
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92 CFLAGS += -DCC_INTERP
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93 endif
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94
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95 # Keep temporary files (.ii, .s)
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96 # no counterpart on xlc for -save-temps, -pipe
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97
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98 # Compiler warnings are treated as errors
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99 # Do not treat warnings as errors
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100 # WARNINGS_ARE_ERRORS = -Werror
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101 # Except for a few acceptable ones
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102 # ACCEPTABLE_WARNINGS = -Wpointer-arith -Wconversion -Wsign-compare
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103 # CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(ACCEPTABLE_WARNINGS)
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104 CFLAGS_WARN/COMMON =
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105 CFLAGS_WARN/DEFAULT = $(CFLAGS_WARN/COMMON) $(EXTRA_WARNINGS)
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106 # Special cases
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107 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
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108
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109 # The flags to use for an optimized build
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110 OPT_CFLAGS += -O3
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111
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112 # Hotspot uses very unstrict aliasing turn this optimization off
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113 OPT_CFLAGS += -qalias=noansi
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114
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115 OPT_CFLAGS/NOOPT=-qnoopt
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116
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117 DEPFLAGS = -qmakedep=gcc -MF $(DEP_DIR)/$(@:%=%.d)
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118
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119 #------------------------------------------------------------------------
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120 # Linker flags
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121
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122 # statically link libstdc++.so, work with gcc but ignored by g++
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123 STATIC_STDCXX = -Wl,-lC_r
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124
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125 # Enable linker optimization
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126 # no counterpart on xlc for this
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127 # LFLAGS += -Xlinker -O1
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128
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129 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
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130 # MAPFLAG = -Xlinker --version-script=FILENAME
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131
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132 # Build shared library
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133 SHARED_FLAG = -q64 -b64 -bexpall -G -bnoentry -qmkshrobj -brtl -bnolibpath
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134
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135 #------------------------------------------------------------------------
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136 # Debug flags
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137
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138 # Always compile with '-g' to get symbols in the stacktraces in the hs_err file
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139 DEBUG_CFLAGS += -g
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140 FASTDEBUG_CFLAGS += -g
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141 OPT_CFLAGS += -g
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142
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143 # DEBUG_BINARIES overrides everything, use full -g debug information
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144 ifeq ($(DEBUG_BINARIES), true)
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145 DEBUG_CFLAGS = -g
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146 CFLAGS += $(DEBUG_CFLAGS)
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147 endif
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148
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149 # If we are building HEADLESS, pass on to VM
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150 # so it can set the java.awt.headless property
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151 ifdef HEADLESS
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152 CFLAGS += -DHEADLESS
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153 endif
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154
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155 # We are building Embedded for a small device
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156 # favor code space over speed
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157 ifdef MINIMIZE_RAM_USAGE
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158 CFLAGS += -DMINIMIZE_RAM_USAGE
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159 endif
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160
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161 ifdef CROSS_COMPILE_ARCH
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162 STRIP = $(ALT_COMPILER_PATH)/strip
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163 else
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164 STRIP = strip
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165 endif