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src/hotspot/cpu/x86/stubRoutines_x86.hpp

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 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef CPU_X86_STUBROUTINES_X86_HPP
 26 #define CPU_X86_STUBROUTINES_X86_HPP
 27 
 28 // This file holds the platform specific parts of the StubRoutines
 29 // definition. See stubRoutines.hpp for a description on how to
 30 // extend it.
 31 
 32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
 33 
 34 enum platform_dependent_constants {
 35   // simply increase sizes if too small (assembler will crash if too small)
 36   _initial_stubs_code_size      = 20000 WINDOWS_ONLY(+1000),
 37   _continuation_stubs_code_size =  1000 LP64_ONLY(+1000),
 38   // AVX512 intrinsics add more code in 64-bit VM,
 39   // Windows have more code to save/restore registers
 40   _compiler_stubs_code_size     = 20000 LP64_ONLY(+39000) WINDOWS_ONLY(+2000),
 41   _final_stubs_code_size        = 10000 LP64_ONLY(+20000) WINDOWS_ONLY(+2000) ZGC_ONLY(+20000)
 42 };
 43 
 44 class x86 {
 45  friend class StubGenerator;
 46  friend class VMStructs;
 47 
 48 #ifdef _LP64
 49  private:
 50   static address _get_previous_sp_entry;
 51 
 52   static address _f2i_fixup;
 53   static address _f2l_fixup;
 54   static address _d2i_fixup;
 55   static address _d2l_fixup;
 56 
 57   static address _float_sign_mask;

 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #ifndef CPU_X86_STUBROUTINES_X86_HPP
 26 #define CPU_X86_STUBROUTINES_X86_HPP
 27 
 28 // This file holds the platform specific parts of the StubRoutines
 29 // definition. See stubRoutines.hpp for a description on how to
 30 // extend it.
 31 
 32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
 33 
 34 enum platform_dependent_constants {
 35   // simply increase sizes if too small (assembler will crash if too small)
 36   _initial_stubs_code_size      = 20000 WINDOWS_ONLY(+1000),
 37   _continuation_stubs_code_size =  1000 LP64_ONLY(+2000),
 38   // AVX512 intrinsics add more code in 64-bit VM,
 39   // Windows have more code to save/restore registers
 40   _compiler_stubs_code_size     = 20000 LP64_ONLY(+39000) WINDOWS_ONLY(+2000),
 41   _final_stubs_code_size        = 10000 LP64_ONLY(+20000) WINDOWS_ONLY(+2000) ZGC_ONLY(+20000)
 42 };
 43 
 44 class x86 {
 45  friend class StubGenerator;
 46  friend class VMStructs;
 47 
 48 #ifdef _LP64
 49  private:
 50   static address _get_previous_sp_entry;
 51 
 52   static address _f2i_fixup;
 53   static address _f2l_fixup;
 54   static address _d2i_fixup;
 55   static address _d2l_fixup;
 56 
 57   static address _float_sign_mask;
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