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Add DEP, ASLR and HE-ASLR support. #612

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Add DEP, ASLR and HE-ASLR support. #612

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6a23792
Don't let ld strip relocations
ismail Jan 16, 2016
78dcc80
Enable DEP and ASLR
ismail Jan 16, 2016
64e7910
Enable High Entropy ASLR
ismail Jan 16, 2016
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11 changes: 11 additions & 0 deletions config.mak.uname
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Original file line number Diff line number Diff line change
Expand Up @@ -542,11 +542,22 @@ else
ifeq ($(shell expr "$(uname_R)" : '2\.'),2)
# MSys2
prefix = /usr/
# Enable DEP
BASIC_LDFLAGS += -Wl,--nxcompat
# Enable ASLR
BASIC_LDFLAGS += -Wl,--dynamicbase
ifeq (MINGW32,$(MSYSTEM))
prefix = /mingw32
BASIC_LDFLAGS += -Wl,--pic-executable,-e,_mainCRTStartup
endif
ifeq (MINGW64,$(MSYSTEM))
prefix = /mingw64
# Don't let ld strip relocations
BASIC_LDFLAGS += -Wl,--pic-executable,-e,mainCRTStartup
# Enable ASLR^2 aka High-Entropy ASLR
BASIC_LDFLAGS += -Wl,--high-entropy-va
# Set image base >4GB for extra entropy with High Entropy ASLR
BASIC_LDFLAGS += -Wl,--image-base,0x140000000
else
COMPAT_CFLAGS += -D_USE_32BIT_TIME_T
BASIC_LDFLAGS += -Wl,--large-address-aware
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