hotspot/make/solaris/makefiles/gcc.make

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rev 6070 : 8032045: Enable compiler and linker safety switches for debug builds
Reviewed-by: duke


 100 ASFLAGS += -march=k8  -march=amd64
 101 LFLAGS += -march=k8 
 102 endif
 103 
 104 
 105 # Use C++ Interpreter
 106 ifdef CC_INTERP
 107   CFLAGS += -DCC_INTERP
 108 endif
 109 
 110 # Keep temporary files (.ii, .s)
 111 ifdef NEED_ASM
 112   CFLAGS += -save-temps
 113 else
 114   CFLAGS += -pipe
 115 endif
 116 
 117 
 118 # Compiler warnings are treated as errors 
 119 WARNINGS_ARE_ERRORS = -Werror 

 120 # Enable these warnings. See 'info gcc' about details on these options
 121 WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
 122 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)

 123 # Special cases 
 124 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))  
 125 
 126 # The flags to use for an Optimized g++ build
 127 OPT_CFLAGS += -O3











 128 
 129 # Hotspot uses very unstrict aliasing turn this optimization off
 130 OPT_CFLAGS += -fno-strict-aliasing










 131 
 132 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp 
 133 # if we use expensive-optimizations
 134 # Note: all ia64 setting reflect the ones for linux
 135 # No actial testing was performed: there is no Solaris on ia64 presently
 136 ifeq ($(BUILDARCH), ia64)
 137 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
 138 endif
 139 
 140 OPT_CFLAGS/NOOPT=-O0










 141 
 142 # Flags for generating make dependency flags.
 143 ifneq ("${CC_VER_MAJOR}", "2")
 144 DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 145 endif
 146 
 147 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
 148 ifeq ($(USE_PRECOMPILED_HEADER),0)
 149 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
 150 endif
 151 
 152 #------------------------------------------------------------------------
 153 # Linker flags
 154 
 155 # statically link libstdc++.so, work with gcc but ignored by g++
 156 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
 157 
 158 # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
 159 ifneq ("${CC_VER_MAJOR}", "2")
 160 STATIC_LIBGCC += -static-libgcc
 161 endif
 162 
 163 ifeq ($(BUILDARCH), ia64)
 164 # Note: all ia64 setting reflect the ones for linux
 165 # No actial testing was performed: there is no Solaris on ia64 presently
 166 LFLAGS += -Wl,-relax
 167 endif
 168 
 169 ifdef USE_GNULD
 170 # Enable linker optimization
 171 LFLAGS += -Xlinker -O1





















 172 
 173 # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
 174 MAPFLAG = -Xlinker --version-script=FILENAME 
 175 else 
 176 MAPFLAG = -Xlinker -M -Xlinker FILENAME 
 177 endif 
 178 
 179 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
 180 SONAMEFLAG = -Xlinker -soname=SONAME
 181 
 182 # Build shared library
 183 SHARED_FLAG = -shared
 184 
 185 #------------------------------------------------------------------------
 186 # Debug flags
 187 









 188 # Use the stabs format for debugging information (this is the default 
 189 # on gcc-2.91). It's good enough, has all the information about line 
 190 # numbers and local variables, and libjvm.so is only about 16M. 
 191 # Change this back to "-g" if you want the most expressive format. 
 192 # (warning: that could easily inflate libjvm.so to 150M!) 
 193 # Note: The Itanium gcc compiler crashes when using -gstabs. 
 194 DEBUG_CFLAGS/ia64  = -g 
 195 DEBUG_CFLAGS/amd64 = -g 
 196 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH)) 
 197 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),) 
 198 DEBUG_CFLAGS += -gstabs 
 199 endif 

















 100 ASFLAGS += -march=k8  -march=amd64
 101 LFLAGS += -march=k8 
 102 endif
 103 
 104 
 105 # Use C++ Interpreter
 106 ifdef CC_INTERP
 107   CFLAGS += -DCC_INTERP
 108 endif
 109 
 110 # Keep temporary files (.ii, .s)
 111 ifdef NEED_ASM
 112   CFLAGS += -save-temps
 113 else
 114   CFLAGS += -pipe
 115 endif
 116 
 117 
 118 # Compiler warnings are treated as errors
 119 WARNINGS_ARE_ERRORS = -Werror
 120 
 121 # Enable these warnings. See 'info gcc' about details on these options
 122 WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
 123 CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
 124 
 125 # Special cases 
 126 CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))  
 127 
 128 # optimization control flags (Used by fastdebug and release variants)
 129 OPT_CFLAGS/NOOPT=-O0
 130 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 8 \) \))" "1"
 131   # Allow basic optimizations which don't distrupt debugging. (Principally dead code elimination)
 132   OPT_CFLAGS/DEBUG=-Og
 133 +else
 134   # Allow no optimizations.
 135   OPT_CFLAGS/DEBUG=-O0
 136 endif
 137 OPT_CFLAGS/SIZE=-Os
 138 OPT_CFLAGS/SPEED=-O3
 139 
 140 OPT_CFLAGS_DEFAULT ?= SPEED
 141 
 142 # Hotspot uses very unstrict aliasing turn this optimization off
 143 # This option is added to CFLAGS rather than OPT_CFLAGS
 144 # so that OPT_CFLAGS overrides get this option too.
 145 CFLAGS += -fno-strict-aliasing
 146 
 147 ifdef OPT_CFLAGS
 148   ifneq ("$(origin OPT_CFLAGS)", "command line")
 149     $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
 150   endif
 151 endif
 152 
 153 OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)
 154 
 155 # The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
 156 # if we use expensive-optimizations
 157 # Note: all ia64 setting reflect the ones for linux
 158 # No actial testing was performed: there is no Solaris on ia64 presently
 159 ifeq ($(BUILDARCH), ia64)
 160 OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
 161 endif
 162 
 163 # Work around some compiler bugs.
 164 ifeq ($(USE_CLANG), true)
 165   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)
 166     OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
 167   endif
 168 else
 169   # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
 170   ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)
 171     OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)
 172   endif
 173 endif
 174 
 175 # Flags for generating make dependency flags.
 176 ifneq ($(CC_VER_MAJOR), 2)
 177 DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
 178 endif
 179 
 180 # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
 181 ifeq ($(USE_PRECOMPILED_HEADER),0)
 182 CFLAGS += -DDONT_USE_PRECOMPILED_HEADER
 183 endif
 184 
 185 #------------------------------------------------------------------------
 186 # Linker flags
 187 
 188 # statically link libstdc++.so, work with gcc but ignored by g++
 189 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
 190 










 191 
 192 ifdef USE_GNULD
 193   # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
 194   ifneq ($(CC_VER_MAJOR), 2)
 195     STATIC_LIBGCC += -static-libgcc
 196   endif
 197 
 198   # Enable linker optimization
 199   LFLAGS += -Xlinker -O1
 200 
 201   ifeq ($(VARIANT), DBG)
 202     # for relocations read-only
 203     LFLAGS += -Xlinker -z -Xlinker relro
 204 
 205     ifeq ($(FASTDEBUG), false)
 206       # disable incremental relocations linking
 207       LFLAGS += -Xlinker -z -Xlinker now
 208     endif
 209   endif
 210 
 211   ifeq ($(BUILDARCH), ia64)
 212     # Note: all ia64 setting reflect the ones for linux
 213     # No actual testing was performed: there is no Solaris on ia64 presently
 214     LFLAGS += -Wl,-relax
 215   endif
 216 
 217   # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
 218   MAPFLAG = -Xlinker --version-script=FILENAME
 219 else 
 220   MAPFLAG = -Xlinker -M -Xlinker FILENAME
 221 endif 
 222 
 223 # Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
 224 SONAMEFLAG = -Xlinker -soname=SONAME
 225 
 226 # Build shared library
 227 SHARED_FLAG = -shared
 228 
 229 #------------------------------------------------------------------------
 230 # Debug flags
 231 
 232 ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 8 \) \))" "1"
 233   # Allow basic optimizations which don't distrupt debugging. (Principally dead code elimination)
 234   DEBUG_CFLAGS=-Og
 235 else
 236   # Allow no optimizations.
 237   DEBUG_CFLAGS=-O0
 238 endif
 239 
 240 
 241 # Use the stabs format for debugging information (this is the default
 242 # on gcc-2.91). It's good enough, has all the information about line
 243 # numbers and local variables, and libjvm.so is only about 16M.
 244 # Change this back to "-g" if you want the most expressive format.
 245 # (warning: that could easily inflate libjvm.so to 150M!)
 246 # Note: The Itanium gcc compiler crashes when using -gstabs.
 247 DEBUG_CFLAGS/ia64  = -g
 248 DEBUG_CFLAGS/amd64 = -g
 249 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
 250 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
 251   DEBUG_CFLAGS += -gstabs
 252 endif
 253 
 254 # Enable bounds checking.
 255 ifeq ($(VARIANT), DBG)
 256   # _FORTIFY_SOURCE appears in GCC 4.0+
 257   ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "0"
 258     ifeq ($(FASTDEBUG), true)
 259       # compile time size bounds checks
 260       CFLAGS += -D_FORTIFY_SOURCE=1
 261     else
 262       # and runtime size bounds checks and paranoid stack smashing checks.
 263       CFLAGS += -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1
 264     endif
 265   endif
 266 endif
 267