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-rw-r--r--js/src/zydis/Zycore/API/Memory.c132
-rw-r--r--js/src/zydis/Zycore/API/Memory.h137
-rw-r--r--js/src/zydis/Zycore/API/Process.c77
-rw-r--r--js/src/zydis/Zycore/API/Process.h70
4 files changed, 416 insertions, 0 deletions
diff --git a/js/src/zydis/Zycore/API/Memory.c b/js/src/zydis/Zycore/API/Memory.c
new file mode 100644
index 0000000000..804a301cde
--- /dev/null
+++ b/js/src/zydis/Zycore/API/Memory.c
@@ -0,0 +1,132 @@
+/***************************************************************************************************
+
+ Zyan Core Library (Zycore-C)
+
+ Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+#include "zydis/Zycore/API/Memory.h"
+
+#ifndef ZYAN_NO_LIBC
+
+#if defined(ZYAN_WINDOWS)
+
+#elif defined(ZYAN_POSIX)
+# include <unistd.h>
+#else
+# error "Unsupported platform detected"
+#endif
+
+/* ============================================================================================== */
+/* Exported functions */
+/* ============================================================================================== */
+
+/* ---------------------------------------------------------------------------------------------- */
+/* General */
+/* ---------------------------------------------------------------------------------------------- */
+
+ZyanU32 ZyanMemoryGetSystemPageSize()
+{
+#if defined(ZYAN_WINDOWS)
+
+ SYSTEM_INFO system_info;
+ GetSystemInfo(&system_info);
+
+ return system_info.dwPageSize;
+
+#elif defined(ZYAN_POSIX)
+
+ return sysconf(_SC_PAGE_SIZE);
+
+#endif
+}
+
+ZyanU32 ZyanMemoryGetSystemAllocationGranularity()
+{
+#if defined(ZYAN_WINDOWS)
+
+ SYSTEM_INFO system_info;
+ GetSystemInfo(&system_info);
+
+ return system_info.dwAllocationGranularity;
+
+#elif defined(ZYAN_POSIX)
+
+ return sysconf(_SC_PAGE_SIZE);
+
+#endif
+}
+
+/* ---------------------------------------------------------------------------------------------- */
+/* Memory management */
+/* ---------------------------------------------------------------------------------------------- */
+
+ZyanStatus ZyanMemoryVirtualProtect(void* address, ZyanUSize size,
+ ZyanMemoryPageProtection protection)
+{
+#if defined(ZYAN_WINDOWS)
+
+ DWORD old;
+ if (!VirtualProtect(address, size, protection, &old))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#elif defined(ZYAN_POSIX)
+
+ if (mprotect(address, size, protection))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#endif
+
+ return ZYAN_STATUS_SUCCESS;
+}
+
+ZyanStatus ZyanMemoryVirtualFree(void* address, ZyanUSize size)
+{
+#if defined(ZYAN_WINDOWS)
+
+ ZYAN_UNUSED(size);
+ if (!VirtualFree(address, 0, MEM_RELEASE))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#elif defined(ZYAN_POSIX)
+
+ if (munmap(address, size))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#endif
+
+ return ZYAN_STATUS_SUCCESS;
+}
+
+/* ---------------------------------------------------------------------------------------------- */
+
+/* ============================================================================================== */
+
+#endif /* ZYAN_NO_LIBC */
diff --git a/js/src/zydis/Zycore/API/Memory.h b/js/src/zydis/Zycore/API/Memory.h
new file mode 100644
index 0000000000..f412e69b98
--- /dev/null
+++ b/js/src/zydis/Zycore/API/Memory.h
@@ -0,0 +1,137 @@
+/***************************************************************************************************
+
+ Zyan Core Library (Zycore-C)
+
+ Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+/**
+ * @file
+ * @brief
+ */
+
+#ifndef ZYCORE_API_MEMORY_H
+#define ZYCORE_API_MEMORY_H
+
+#include "zydis/Zycore/Defines.h"
+#include "zydis/Zycore/Status.h"
+#include "zydis/Zycore/Types.h"
+
+#ifndef ZYAN_NO_LIBC
+
+#if defined(ZYAN_WINDOWS)
+# include <windows.h>
+#elif defined(ZYAN_POSIX)
+# include <sys/mman.h>
+#else
+# error "Unsupported platform detected"
+#endif
+
+/* ============================================================================================== */
+/* Enums and types */
+/* ============================================================================================== */
+
+/**
+ * Defines the `ZyanMemoryPageProtection` enum.
+ */
+typedef enum ZyanMemoryPageProtection_
+{
+#if defined(ZYAN_WINDOWS)
+
+ ZYAN_PAGE_READONLY = PAGE_READONLY,
+ ZYAN_PAGE_READWRITE = PAGE_READWRITE,
+ ZYAN_PAGE_EXECUTE = PAGE_EXECUTE,
+ ZYAN_PAGE_EXECUTE_READ = PAGE_EXECUTE_READ,
+ ZYAN_PAGE_EXECUTE_READWRITE = PAGE_EXECUTE_READWRITE
+
+#elif defined(ZYAN_POSIX)
+
+ ZYAN_PAGE_READONLY = PROT_READ,
+ ZYAN_PAGE_READWRITE = PROT_READ | PROT_WRITE,
+ ZYAN_PAGE_EXECUTE = PROT_EXEC,
+ ZYAN_PAGE_EXECUTE_READ = PROT_EXEC | PROT_READ,
+ ZYAN_PAGE_EXECUTE_READWRITE = PROT_EXEC | PROT_READ | PROT_WRITE
+
+#endif
+} ZyanMemoryPageProtection;
+
+/* ============================================================================================== */
+/* Exported functions */
+/* ============================================================================================== */
+
+/* ---------------------------------------------------------------------------------------------- */
+/* General */
+/* ---------------------------------------------------------------------------------------------- */
+
+/**
+ * Returns the system page size.
+ *
+ * @return The system page size.
+ */
+ZYCORE_EXPORT ZyanU32 ZyanMemoryGetSystemPageSize();
+
+/**
+ * Returns the system allocation granularity.
+ *
+ * The system allocation granularity specifies the minimum amount of bytes which can be allocated
+ * at a specific address by a single call of `ZyanMemoryVirtualAlloc`.
+ *
+ * This value is typically 64KiB on Windows systems and equal to the page size on most POSIX
+ * platforms.
+ *
+ * @return The system allocation granularity.
+ */
+ZYCORE_EXPORT ZyanU32 ZyanMemoryGetSystemAllocationGranularity();
+
+/* ---------------------------------------------------------------------------------------------- */
+/* Memory management */
+/* ---------------------------------------------------------------------------------------------- */
+
+/**
+ * Changes the memory protection value of one or more pages.
+ *
+ * @param address The start address aligned to a page boundary.
+ * @param size The size.
+ * @param protection The new page protection value.
+ *
+ * @return A zyan status code.
+ */
+ZYCORE_EXPORT ZyanStatus ZyanMemoryVirtualProtect(void* address, ZyanUSize size,
+ ZyanMemoryPageProtection protection);
+
+/**
+ * Releases one or more memory pages starting at the given address.
+ *
+ * @param address The start address aligned to a page boundary.
+ * @param size The size.
+ *
+ * @return A zyan status code.
+ */
+ZYCORE_EXPORT ZyanStatus ZyanMemoryVirtualFree(void* address, ZyanUSize size);
+
+/* ---------------------------------------------------------------------------------------------- */
+
+/* ============================================================================================== */
+
+#endif /* ZYAN_NO_LIBC */
+
+#endif /* ZYCORE_API_MEMORY_H */
diff --git a/js/src/zydis/Zycore/API/Process.c b/js/src/zydis/Zycore/API/Process.c
new file mode 100644
index 0000000000..94524125d5
--- /dev/null
+++ b/js/src/zydis/Zycore/API/Process.c
@@ -0,0 +1,77 @@
+/***************************************************************************************************
+
+ Zyan Core Library (Zycore-C)
+
+ Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+#include "zydis/Zycore/Defines.h"
+#include "zydis/Zycore/API/Process.h"
+
+#ifndef ZYAN_NO_LIBC
+
+#if defined(ZYAN_WINDOWS)
+#if defined(ZYAN_KERNEL)
+# include <wdm.h>
+#else
+# include <windows.h>
+#endif
+#elif defined(ZYAN_POSIX)
+# include <sys/mman.h>
+#else
+# error "Unsupported platform detected"
+#endif
+
+/* ============================================================================================== */
+/* Exported functions */
+/* ============================================================================================== */
+
+/* ---------------------------------------------------------------------------------------------- */
+/* General */
+/* ---------------------------------------------------------------------------------------------- */
+
+ZyanStatus ZyanProcessFlushInstructionCache(void* address, ZyanUSize size)
+{
+#if defined(ZYAN_WINDOWS)
+
+ if (!FlushInstructionCache(GetCurrentProcess(), address, size))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#elif defined(ZYAN_POSIX)
+
+ if (msync(address, size, MS_SYNC | MS_INVALIDATE))
+ {
+ return ZYAN_STATUS_BAD_SYSTEMCALL;
+ }
+
+#endif
+
+ return ZYAN_STATUS_SUCCESS;
+}
+
+/* ---------------------------------------------------------------------------------------------- */
+
+/* ============================================================================================== */
+
+#endif /* ZYAN_NO_LIBC */
diff --git a/js/src/zydis/Zycore/API/Process.h b/js/src/zydis/Zycore/API/Process.h
new file mode 100644
index 0000000000..d5d0f7716c
--- /dev/null
+++ b/js/src/zydis/Zycore/API/Process.h
@@ -0,0 +1,70 @@
+/***************************************************************************************************
+
+ Zyan Core Library (Zycore-C)
+
+ Original Author : Florian Bernd
+
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+
+***************************************************************************************************/
+
+/**
+ * @file
+ * @brief
+ */
+
+#ifndef ZYCORE_API_PROCESS_H
+#define ZYCORE_API_PROCESS_H
+
+#include "zydis/Zycore/Status.h"
+#include "zydis/Zycore/Types.h"
+
+#ifndef ZYAN_NO_LIBC
+
+/* ============================================================================================== */
+/* Enums and types */
+/* ============================================================================================== */
+
+
+
+/* ============================================================================================== */
+/* Exported functions */
+/* ============================================================================================== */
+
+/* ---------------------------------------------------------------------------------------------- */
+/* General */
+/* ---------------------------------------------------------------------------------------------- */
+
+/**
+ * @brief Flushes the process instruction cache.
+ *
+ * @param address The address.
+ * @param size The size.
+ *
+ * @return A zyan status code.
+ */
+ZYCORE_EXPORT ZyanStatus ZyanProcessFlushInstructionCache(void* address, ZyanUSize size);
+
+/* ---------------------------------------------------------------------------------------------- */
+
+/* ============================================================================================== */
+
+#endif /* ZYAN_NO_LIBC */
+
+#endif /* ZYCORE_API_PROCESS_H */