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
*** 115,148 ****
endif
# Compiler warnings are treated as errors
WARNINGS_ARE_ERRORS = -Werror
# Enable these warnings. See 'info gcc' about details on these options
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
# Special cases
CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
! # The flags to use for an Optimized g++ build
! OPT_CFLAGS += -O3
# Hotspot uses very unstrict aliasing turn this optimization off
! OPT_CFLAGS += -fno-strict-aliasing
# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
# if we use expensive-optimizations
# Note: all ia64 setting reflect the ones for linux
# No actial testing was performed: there is no Solaris on ia64 presently
ifeq ($(BUILDARCH), ia64)
OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
endif
! OPT_CFLAGS/NOOPT=-O0
# Flags for generating make dependency flags.
! ifneq ("${CC_VER_MAJOR}", "2")
DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
endif
# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
ifeq ($(USE_PRECOMPILED_HEADER),0)
--- 115,181 ----
endif
# Compiler warnings are treated as errors
WARNINGS_ARE_ERRORS = -Werror
+
# Enable these warnings. See 'info gcc' about details on these options
WARNING_FLAGS = -Wpointer-arith -Wconversion -Wsign-compare -Wundef -Wformat=2 -Wno-error=format-nonliteral
CFLAGS_WARN/DEFAULT = $(WARNINGS_ARE_ERRORS) $(WARNING_FLAGS)
+
# Special cases
CFLAGS_WARN/BYFILE = $(CFLAGS_WARN/$@)$(CFLAGS_WARN/DEFAULT$(CFLAGS_WARN/$@))
! # optimization control flags (Used by fastdebug and release variants)
! OPT_CFLAGS/NOOPT=-O0
! ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 8 \) \))" "1"
! # Allow basic optimizations which don't distrupt debugging. (Principally dead code elimination)
! OPT_CFLAGS/DEBUG=-Og
! +else
! # Allow no optimizations.
! OPT_CFLAGS/DEBUG=-O0
! endif
! OPT_CFLAGS/SIZE=-Os
! OPT_CFLAGS/SPEED=-O3
!
! OPT_CFLAGS_DEFAULT ?= SPEED
# Hotspot uses very unstrict aliasing turn this optimization off
! # This option is added to CFLAGS rather than OPT_CFLAGS
! # so that OPT_CFLAGS overrides get this option too.
! CFLAGS += -fno-strict-aliasing
!
! ifdef OPT_CFLAGS
! ifneq ("$(origin OPT_CFLAGS)", "command line")
! $(error " Use OPT_EXTRAS instead of OPT_CFLAGS to add extra flags to OPT_CFLAGS.")
! endif
! endif
!
! OPT_CFLAGS = $(OPT_CFLAGS/$(OPT_CFLAGS_DEFAULT)) $(OPT_EXTRAS)
# The gcc compiler segv's on ia64 when compiling bytecodeInterpreter.cpp
# if we use expensive-optimizations
# Note: all ia64 setting reflect the ones for linux
# No actial testing was performed: there is no Solaris on ia64 presently
ifeq ($(BUILDARCH), ia64)
OPT_CFLAGS/bytecodeInterpreter.o += -fno-expensive-optimizations
endif
! # Work around some compiler bugs.
! ifeq ($(USE_CLANG), true)
! ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 2), 1)
! OPT_CFLAGS/loopTransform.o += $(OPT_CFLAGS/NOOPT)
! endif
! else
! # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation.
! ifeq ($(shell expr $(CC_VER_MAJOR) = 4 \& $(CC_VER_MINOR) = 3), 1)
! OPT_CFLAGS/mulnode.o += $(OPT_CFLAGS/NOOPT)
! endif
! endif
# Flags for generating make dependency flags.
! ifneq ($(CC_VER_MAJOR), 2)
DEPFLAGS = -fpch-deps -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
endif
# -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
ifeq ($(USE_PRECOMPILED_HEADER),0)
*** 153,181 ****
# Linker flags
# statically link libstdc++.so, work with gcc but ignored by g++
STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
- # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
- ifneq ("${CC_VER_MAJOR}", "2")
- STATIC_LIBGCC += -static-libgcc
- endif
-
- ifeq ($(BUILDARCH), ia64)
- # Note: all ia64 setting reflect the ones for linux
- # No actial testing was performed: there is no Solaris on ia64 presently
- LFLAGS += -Wl,-relax
- endif
ifdef USE_GNULD
! # Enable linker optimization
! LFLAGS += -Xlinker -O1
! # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
! MAPFLAG = -Xlinker --version-script=FILENAME
else
! MAPFLAG = -Xlinker -M -Xlinker FILENAME
endif
# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
SONAMEFLAG = -Xlinker -soname=SONAME
--- 186,225 ----
# Linker flags
# statically link libstdc++.so, work with gcc but ignored by g++
STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic
ifdef USE_GNULD
! # statically link libgcc and/or libgcc_s, libgcc does not exist before gcc-3.x.
! ifneq ($(CC_VER_MAJOR), 2)
! STATIC_LIBGCC += -static-libgcc
! endif
!
! # Enable linker optimization
! LFLAGS += -Xlinker -O1
!
! ifeq ($(VARIANT), DBG)
! # for relocations read-only
! LFLAGS += -Xlinker -z -Xlinker relro
!
! ifeq ($(FASTDEBUG), false)
! # disable incremental relocations linking
! LFLAGS += -Xlinker -z -Xlinker now
! endif
! endif
!
! ifeq ($(BUILDARCH), ia64)
! # Note: all ia64 setting reflect the ones for linux
! # No actual testing was performed: there is no Solaris on ia64 presently
! LFLAGS += -Wl,-relax
! endif
! # Use $(MAPFLAG:FILENAME=real_file_name) to specify a map file.
! MAPFLAG = -Xlinker --version-script=FILENAME
else
! MAPFLAG = -Xlinker -M -Xlinker FILENAME
endif
# Use $(SONAMEFLAG:SONAME=soname) to specify the intrinsic name of a shared obj
SONAMEFLAG = -Xlinker -soname=SONAME
*** 183,199 ****
SHARED_FLAG = -shared
#------------------------------------------------------------------------
# Debug flags
# Use the stabs format for debugging information (this is the default
# on gcc-2.91). It's good enough, has all the information about line
# numbers and local variables, and libjvm.so is only about 16M.
# Change this back to "-g" if you want the most expressive format.
# (warning: that could easily inflate libjvm.so to 150M!)
# Note: The Itanium gcc compiler crashes when using -gstabs.
DEBUG_CFLAGS/ia64 = -g
DEBUG_CFLAGS/amd64 = -g
DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
! DEBUG_CFLAGS += -gstabs
endif
--- 227,267 ----
SHARED_FLAG = -shared
#------------------------------------------------------------------------
# Debug flags
+ ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 4 \) \| \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) \>= 8 \) \))" "1"
+ # Allow basic optimizations which don't distrupt debugging. (Principally dead code elimination)
+ DEBUG_CFLAGS=-Og
+ else
+ # Allow no optimizations.
+ DEBUG_CFLAGS=-O0
+ endif
+
+
# Use the stabs format for debugging information (this is the default
# on gcc-2.91). It's good enough, has all the information about line
# numbers and local variables, and libjvm.so is only about 16M.
# Change this back to "-g" if you want the most expressive format.
# (warning: that could easily inflate libjvm.so to 150M!)
# Note: The Itanium gcc compiler crashes when using -gstabs.
DEBUG_CFLAGS/ia64 = -g
DEBUG_CFLAGS/amd64 = -g
DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
! DEBUG_CFLAGS += -gstabs
endif
+
+ # Enable bounds checking.
+ ifeq ($(VARIANT), DBG)
+ # _FORTIFY_SOURCE appears in GCC 4.0+
+ ifeq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) )" "0"
+ ifeq ($(FASTDEBUG), true)
+ # compile time size bounds checks
+ CFLAGS += -D_FORTIFY_SOURCE=1
+ else
+ # and runtime size bounds checks and paranoid stack smashing checks.
+ CFLAGS += -D_FORTIFY_SOURCE=2 -fstack-protector-all --param ssp-buffer-size=1
+ endif
+ endif
+ endif
+