mono/utils/mono-compiler.h

   1 #ifndef __UTILS_MONO_COMPILER_H__
   2 #define __UTILS_MONO_COMPILER_H__
   3 /*
   4  * This file includes macros used in the runtime to encapsulate different
   5  * compiler behaviours.
   6  */
   7 #include <config.h>
   8
   9 #ifdef HAVE_KW_THREAD
  10 #if HAVE_TLS_MODEL_ATTR
  11
  12 /*
  13  * Define this if you want a faster libmono, which cannot be loaded dynamically as a
  14  * module.
  15  */
  16 //#define PIC_INITIAL_EXEC
  17
  18 #if defined (__powerpc__)
  19 #define MONO_TLS_FAST
  20 #elif defined(PIC)
  21
  22 #ifdef PIC_INITIAL_EXEC
  23 #define MONO_TLS_FAST __attribute__((tls_model("initial-exec")))
  24 #else
  25 #define MONO_TLS_FAST __attribute__((tls_model("local-dynamic")))
  26 #endif
  27
  28 #else
  29
  30 #define MONO_TLS_FAST __attribute__((tls_model("local-exec")))
  31
  32 #endif
  33
  34 #else
  35 #define MONO_TLS_FAST
  36 #endif
  37
  38 #if defined(__GNUC__) && defined(__i386__)
  39 #if defined(PIC)
  40 #define MONO_THREAD_VAR_OFFSET(var,offset) do { int tmp; __asm ("call 1f; 1: popl %0; addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %0; movl " #var "@gotntpoff(%0), %1" : "=r" (tmp), "=r" (offset)); } while (0)
  41 #else
  42 #define MONO_THREAD_VAR_OFFSET(var,offset) __asm ("movl $" #var "@ntpoff, %0" : "=r" (offset))
  43 #endif
  44 #elif defined(__x86_64__)
  45 #if defined(PIC)
  46 // This only works if libmono is linked into the application
  47 #define MONO_THREAD_VAR_OFFSET(var,offset) do { guint64 foo;  __asm ("movq " #var "@GOTTPOFF(%%rip), %0" : "=r" (foo)); offset = foo; } while (0)
  48 #else
  49 #define MONO_THREAD_VAR_OFFSET(var,offset) do { guint64 foo;  __asm ("movq $" #var "@TPOFF, %0" : "=r" (foo)); offset = foo; } while (0)
  50 #endif
  51 #elif defined(__ia64__) && !defined(__INTEL_COMPILER)
  52 #define MONO_THREAD_VAR_OFFSET(var,offset) __asm ("addl %0 = @tprel(" #var "#), r0 ;;\n" : "=r" (offset))
  53 #else
  54 #define MONO_THREAD_VAR_OFFSET(var,offset) (offset) = -1
  55 #endif
  56
  57 #if defined(PIC) && !defined(PIC_INITIAL_EXEC)
  58 /*
  59  * The above definitions do not seem to work if libmono is loaded dynamically as a module.
  60  * See bug #78767.
  61  */
  62 #undef MONO_THREAD_VAR_OFFSET
  63 #define MONO_THREAD_VAR_OFFSET(var,offset) (offset) = -1
  64 #endif
  65
  66 #else /* no HAVE_KW_THREAD */
  67
  68 #define MONO_THREAD_VAR_OFFSET(var,offset) (offset) = -1
  69
  70 #endif
  71
  72 /* Deal with Microsoft C compiler differences */
  73 #ifdef _MSC_VER
  74
  75 #include <float.h>
  76 #define isnan(x)        _isnan(x)
  77 #define trunc(x)        floor((x))
  78 #define isinf(x)        (_isnan(x) ? 0 : (_fpclass(x) == _FPCLASS_NINF) ? -1 : (_fpclass(x) == _FPCLASS_PINF) ? 1 : 0)
  79 #define isnormal(x)     _finite(x)
  80
  81 #define popen           _popen
  82 #define pclose          _pclose
  83
  84 #include <direct.h>
  85 #define mkdir(x)        _mkdir(x)
  86
  87 /* GCC specific functions aren't available */
  88 #define __builtin_return_address(x)     NULL
  89
  90 #define __func__ __FUNCTION__
  91
  92 #endif /* _MSC_VER */
  93
  94 #if !defined(_MSC_VER) && HAVE_VISIBILITY_HIDDEN
  95 #define MONO_INTERNAL __attribute__ ((visibility ("hidden")))
  96 #else
  97 #define MONO_INTERNAL
  98 #endif
  99
 100 #endif /* __UTILS_MONO_COMPILER_H__*/
 101