104 lines
2.0 KiB
C++
Executable File
104 lines
2.0 KiB
C++
Executable File
namespace factor
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{
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inline static void memset_2(void *dst, u16 pattern, size_t size)
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{
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#ifdef __APPLE__
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cell cell_pattern = (pattern | (pattern << 16));
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memset_pattern4(dst,&cell_pattern,size);
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#else
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if(pattern == 0)
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memset(dst,0,size);
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else
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{
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u16 *start = (u16 *)dst;
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u16 *end = (u16 *)((cell)dst + size);
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while(start < end)
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{
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*start = pattern;
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start++;
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}
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}
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#endif
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}
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inline static void memset_cell(void *dst, cell pattern, size_t size)
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{
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#ifdef __APPLE__
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#ifdef FACTOR_64
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memset_pattern8(dst,&pattern,size);
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#else
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memset_pattern4(dst,&pattern,size);
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#endif
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#else
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if(pattern == 0)
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memset(dst,0,size);
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else
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{
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cell *start = (cell *)dst;
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cell *end = (cell *)((cell)dst + size);
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while(start < end)
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{
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*start = pattern;
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start++;
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}
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}
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#endif
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}
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void *fill_function_descriptor(void *ptr, void *code);
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void *function_descriptor_field(void *ptr, size_t idx);
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vm_char *safe_strdup(const vm_char *str);
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cell read_cell_hex();
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VM_C_API void *factor_memcpy(void *dst, void *src, size_t len);
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#if defined(WINDOWS)
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#if defined(FACTOR_64)
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#define FACTOR_ATOMIC_CAS(ptr, old_val, new_val) \
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(InterlockedCompareExchange64(ptr, new_val, old_val) == old_val)
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#define FACTOR_ATOMIC_ADD(ptr, val) \
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InterlockedAdd64(ptr, val)
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#define FACTOR_ATOMIC_SUB(ptr, val) \
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InterlockedSub64(ptr, val)
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#else
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#define FACTOR_ATOMIC_CAS(ptr, old_val, new_val) \
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(InterlockedCompareExchange(ptr, new_val, old_val) == old_val)
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#define FACTOR_ATOMIC_ADD(ptr, val) \
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InterlockedAdd(ptr, val)
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#define FACTOR_ATOMIC_SUB(ptr, val) \
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InterlockedSub(ptr, val)
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#endif
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#define FACTOR_MEMORY_BARRIER() \
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MemoryBarrier()
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#elif defined(__GNUC__) || defined(__clang__)
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#define FACTOR_ATOMIC_CAS(ptr, old_val, new_val) \
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__sync_bool_compare_and_swap(ptr, old_val, new_val)
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#define FACTOR_ATOMIC_ADD(ptr, val) \
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__sync_add_and_fetch(ptr, val)
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#define FACTOR_ATOMIC_SUB(ptr, val) \
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__sync_sub_and_fetch(ptr, val)
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#define FACTOR_MEMORY_BARRIER() \
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__sync_synchronize()
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#else
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#error "Unsupported compiler"
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#endif
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}
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