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#ifndef __OS_H_
#define __OS_H_
#include <stdint.h>
#include <sys/types.h>
#ifndef _WIN32
#include <dlfcn.h>
#include <sys/mman.h>
#else
typedef __int64 ssize_t;
#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
#define MAP_FAILED ((void*)-1)
#define MAP_PRIVATE 0x02
#define MAP_FIXED 0x10
#define MAP_ANONYMOUS 0x20
#define MAP_32BIT 0x40
#define MAP_NORESERVE 0
void* mmap(void* addr, size_t length, int prot, int flags, int fd, off_t offset);
int munmap(void* addr, size_t length);
int mprotect(void* addr, size_t len, int prot);
void* WinMalloc(size_t size);
void* WinRealloc(void* ptr, size_t size);
void* WinCalloc(size_t nmemb, size_t size);
void WinFree(void* ptr);
#endif
void* InternalMmap(void* addr, unsigned long length, int prot, int flags, int fd, ssize_t offset);
int InternalMunmap(void* addr, unsigned long length);
int GetTID(void);
int SchedYield(void);
void EmitSignal(void* emu, int sig, void* addr, int code);
void EmitDiv0(void* emu, void* addr, int code);
void EmitInterruption(void* emu, int num, void* addr);
void EmuX64Syscall(void* emu);
void EmuX86Syscall(void* emu);
// These functions only applies to Linux --------------------------
int IsBridgeSignature(char s, char c);
int IsNativeCall(uintptr_t addr, int is32bits, uintptr_t* calladdress, uint16_t* retn);
void EmuInt3(void* emu, void* addr);
void* EmuFork(void* emu, int forktype);
void PersonalityAddrLimit32Bit(void);
// ----------------------------------------------------------------
#ifndef _WIN32
#include <setjmp.h>
#define LongJmp longjmp
#define SigSetJmp sigsetjmp
#else
#define LongJmp(a, b)
#define SigSetJmp(a, b) 0
#endif
#ifndef USE_CUSTOM_MUTEX
#define mutex_lock(A) pthread_mutex_lock(A)
#define mutex_trylock(A) pthread_mutex_trylock(A)
#define mutex_unlock(A) pthread_mutex_unlock(A)
#else
#define mutex_lock(A) \
do { \
uint32_t tid = (uint32_t)GetTID(); \
while (native_lock_storeifnull_d(A, tid)) \
sched_yield(); \
} while (0)
#define mutex_trylock(A) native_lock_storeifnull_d(A, (uint32_t)GetTID())
#define mutex_unlock(A) native_lock_storeifref_d(A, 0, (uint32_t)GetTID())
#endif
#ifndef _WIN32
#include <setjmp.h>
#define NEW_JUMPBUFF(name) \
static __thread JUMPBUFF name
#ifdef ANDROID
#define JUMPBUFF sigjmp_buf
#define GET_JUMPBUFF(name) name
#else
#define JUMPBUFF struct __jmp_buf_tag
#define GET_JUMPBUFF(name) &name
#endif
#else
#define JUMPBUFF int
#define NEW_JUMPBUFF(name)
#define GET_JUMPBUFF(name) NULL
#endif
#define PROT_READ 0x1
#define PROT_WRITE 0x2
#define PROT_EXEC 0x4
#endif //__OS_H_
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