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OS X kernel support (see https://github.com/aquynh/capstone/pull/528)

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This commit is contained in:
Pb 2015-11-10 23:02:26 +01:00
parent ae7c4847a3
commit b8741bd545
4 changed files with 31 additions and 0 deletions
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6
Makefile
View File

@ -45,6 +45,12 @@ endif
ifeq ($(CAPSTONE_HAS_OSXKERNEL), yes)
CFLAGS += -DCAPSTONE_HAS_OSXKERNEL
SDKROOT ?= $(shell xcodebuild -version -sdk macosx Path)
CFLAGS += -mmacosx-version-min=10.5 \
-isysroot$(SDKROOT) \
-I$(SDKROOT)/System/Library/Frameworks/Kernel.framework/Headers \
-mkernel \
-fno-builtin
endif
CFLAGS += $(foreach arch,$(LIBARCHS),-arch $(arch))

7
config.mk
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@ -73,3 +73,10 @@ CAPSTONE_STATIC ?= yes
# a shared library.
CAPSTONE_SHARED ?= yes
################################################################################
# Change 'CAPSTONE_HAS_OSXKERNEL = no' to 'CAPSTONE_HAS_OSXKERNEL = yes' to
# enable OS X kernel embedding support. If 'CAPSTONE_USE_SYS_DYN_MEM = yes',
# then kern_os_* functions are used for memory management.
CAPSTONE_HAS_OSXKERNEL ?= no

17
cs.c
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@ -79,12 +79,29 @@ static void archs_enable(void)
unsigned int all_arch = 0;
#ifdef CAPSTONE_USE_SYS_DYN_MEM
#ifndef CAPSTONE_HAS_OSXKERNEL
cs_malloc_t cs_mem_malloc = malloc;
cs_calloc_t cs_mem_calloc = calloc;
cs_realloc_t cs_mem_realloc = realloc;
cs_free_t cs_mem_free = free;
cs_vsnprintf_t cs_vsnprintf = vsnprintf;
#else
extern void* kern_os_malloc(size_t size);
extern void kern_os_free(void* addr);
extern void* kern_os_realloc(void* addr, size_t nsize);
static void* cs_kern_os_calloc(size_t num, size_t size)
{
return kern_os_malloc(num * size); // malloc bzeroes the buffer
}
cs_malloc_t cs_mem_malloc = kern_os_malloc;
cs_calloc_t cs_mem_calloc = cs_kern_os_calloc;
cs_realloc_t cs_mem_realloc = kern_os_realloc;
cs_free_t cs_mem_free = kern_os_free;
cs_vsnprintf_t cs_vsnprintf = vsnprintf;
#endif
#else
cs_malloc_t cs_mem_malloc = NULL;
cs_calloc_t cs_mem_calloc = NULL;
cs_realloc_t cs_mem_realloc = NULL;

1
make.sh
View File

@ -169,5 +169,6 @@ case "$TARGET" in
"ios_armv7" ) build_iOS armv7 $*;;
"ios_armv7s" ) build_iOS armv7s $*;;
"ios_arm64" ) build_iOS arm64 $*;;
"osx-kernel" ) CAPSTONE_USE_SYS_DYN_MEM=yes CAPSTONE_HAS_OSXKERNEL=yes CAPSTONE_ARCHS=x86 CAPSTONE_SHARED=no CAPSTONE_BUILD_CORE_ONLY=yes build $*;;
* ) echo "Usage: make.sh [nix32|cross-win32|cross-win64|cygwin-mingw32|cygwin-mingw64|ios|ios_armv7|ios_armv7s|ios_arm64|cross-android arm|cross-android arm64|clang|gcc|install|uninstall]"; exit 1;;
esac