#ifndef __MONO_SGENGC_H__
#define __MONO_SGENGC_H__

/* pthread impl */
#include <pthread.h>

#define ARCH_THREAD_TYPE pthread_t
#define ARCH_GET_THREAD pthread_self
#define ARCH_THREAD_EQUALS(a,b) pthread_equal (a, b)

/*
 * Recursion is not allowed for the thread lock.
 */
#define LOCK_DECLARE(name) pthread_mutex_t name = PTHREAD_MUTEX_INITIALIZER
#define LOCK_INIT(name)
#define LOCK_GC pthread_mutex_lock (&gc_mutex)
#define UNLOCK_GC pthread_mutex_unlock (&gc_mutex)

/* non-pthread will need to provide their own version of start/stop */
#define USE_SIGNAL_BASED_START_STOP_WORLD 1
/* we intercept pthread_create calls to know which threads exist */
#define USE_PTHREAD_INTERCEPT 1

#ifdef __i386__
#define ARCH_NUM_REGS 8
#define ARCH_STORE_REGS(ptr)	\
	__asm__ __volatile__(	\
		"mov %%ecx, 0x00(%0)\n"	\
		"mov %%edx, 0x04(%0)\n"	\
		"mov %%ebx, 0x08(%0)\n"	\
		"mov %%edi, 0x0c(%0)\n"	\
		"mov %%esi, 0x10(%0)\n"	\
		"mov %%ebp, 0x14(%0)\n"	\
		: "=&a" (ptr)	\
		: "0" (cur_thread_regs)	\
		: "memory"	\
	)

#elif defined(__x86_64__)
#define ARCH_NUM_REGS 16
#define ARCH_STORE_REGS(ptr)	\
	__asm__ __volatile__(	\
		"movq %%rcx, 0x00(%0)\n"	\
		"movq %%rdx, 0x08(%0)\n"	\
		"movq %%rbx, 0x10(%0)\n"	\
		"movq %%rdi, 0x18(%0)\n"	\
		"movq %%rsi, 0x20(%0)\n"	\
		"movq %%rbp, 0x28(%0)\n"	\
		"movq %%r8, 0x30(%0)\n"	\
		"movq %%r9, 0x38(%0)\n"	\
		"movq %%r10, 0x40(%0)\n"	\
		"movq %%r11, 0x48(%0)\n"	\
		"movq %%r12, 0x50(%0)\n"	\
		"movq %%r13, 0x58(%0)\n"	\
		"movq %%r14, 0x60(%0)\n"	\
		"movq %%r15, 0x68(%0)\n"	\
		: "=&a" (ptr)	\
		: "0" (cur_thread_regs)	\
		: "memory"	\
	)

#endif

#endif /* __MONO_SGENGC_H__ */