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enable interpose separate from zones on macOS

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daan 2020-02-08 20:08:52 -08:00
parent e676062103
commit 9062f39764
3 changed files with 28 additions and 10 deletions
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16
CMakeLists.txt
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@ -5,11 +5,12 @@ set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)
option(MI_OVERRIDE "Override the standard malloc interface" ON)
option(MI_INTERPOSE "Use interpose to override standard malloc on macOS" ON)
option(MI_DEBUG_FULL "Use full internal heap invariant checking in DEBUG mode" OFF)
option(MI_SECURE "Use full security mitigations (like guard pages, allocation randomization, double-free mitigation, and free-list corruption detection)" OFF)
option(MI_USE_CXX "Use the C++ compiler to compile the library" OFF)
option(MI_SEE_ASM "Generate assembly files" OFF)
option(MI_INTERPOSE "Use interpose to override standard malloc on macOS" ON)
option(MI_OSX_ZONE "Use malloc zone to override standard malloc on macOS" OFF) # enables interpose as well
option(MI_LOCAL_DYNAMIC_TLS "Use slightly slower, dlopen-compatible TLS mechanism (Unix)" OFF)
option(MI_BUILD_TESTS "Build test executables" ON)
option(MI_CHECK_FULL "Use full internal invariant checking in DEBUG mode (deprecated, use MI_DEBUG_FULL instead)" OFF)
@ -61,14 +62,19 @@ endif()
if(MI_OVERRIDE MATCHES "ON")
message(STATUS "Override standard malloc (MI_OVERRIDE=ON)")
if(APPLE)
if(MI_OSX_ZONE MATCHES "ON")
# use zone's on macOS
message(STATUS " Use malloc zone to override malloc (MI_OSX_ZONE=ON)")
list(APPEND mi_sources src/alloc-override-osx.c)
if(NOT MI_INTERPOSE MATCHES "ON")
message(STATUS " (enabling INTERPOSE as well since zone's require this)")
set(MI_INTERPOSE "ON")
endif()
endif()
if(MI_INTERPOSE MATCHES "ON")
# use interpose on macOS
message(STATUS " Use interpose to override malloc (MI_INTERPOSE=ON)")
list(APPEND mi_defines MI_INTERPOSE)
else()
# use zone's on macOS
message(STATUS " Use zone's to override malloc (MI_INTERPOSE=OFF)")
list(APPEND mi_sources src/alloc-override-osx.c)
endif()
endif()
endif()