| //===------------ Memory.cpp - Implementation of the Memory class --------===// |
| // |
| // The VMKit project |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <sys/mman.h> |
| |
| |
| #include "JavaObject.h" |
| |
| using namespace jnjvm; |
| extern "C" uintptr_t Java_org_j3_mmtk_Memory_getHeapStartConstant__ () { |
| return (uintptr_t)0x30000000; |
| } |
| |
| extern "C" uintptr_t Java_org_j3_mmtk_Memory_getHeapEndConstant__ () { |
| return (uintptr_t)0x80000000; |
| } |
| |
| extern "C" uintptr_t Java_org_j3_mmtk_Memory_getAvailableStartConstant__ () { |
| return (uintptr_t)0x30000000; |
| } |
| |
| extern "C" uintptr_t Java_org_j3_mmtk_Memory_getAvailableEndConstant__ () { |
| return (uintptr_t)0x80000000; |
| } |
| |
| extern "C" sint32 |
| Java_org_j3_mmtk_Memory_dzmmap__Lorg_vmmagic_unboxed_Address_2I(JavaObject* M, |
| void* start, |
| sint32 size) { |
| #if defined (__MACH__) |
| uint32 flags = MAP_PRIVATE | MAP_ANON | MAP_FIXED; |
| #else |
| uint32 flags = MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED; |
| #endif |
| void* baseAddr = mmap((void*)start, size, PROT_READ | PROT_WRITE, flags, |
| -1, 0); |
| if (baseAddr == MAP_FAILED) { |
| perror("mmap"); |
| abort(); |
| } |
| |
| return 0; |
| } |
| |
| extern "C" void |
| Java_org_j3_mmtk_Memory_mprotect__Lorg_vmmagic_unboxed_Address_2I () { |
| abort(); |
| } |
| |
| extern "C" void |
| Java_org_j3_mmtk_Memory_munprotect__Lorg_vmmagic_unboxed_Address_2I () { |
| abort(); |
| } |
| |
| extern "C" void |
| Java_org_j3_mmtk_Memory_zero__Lorg_vmmagic_unboxed_Address_2Lorg_vmmagic_unboxed_Extent_2(JavaObject* M, |
| void* addr, |
| uintptr_t len) { |
| memset(addr, 0, len); |
| } |
| |
| extern "C" void |
| Java_org_j3_mmtk_Memory_zeroPages__Lorg_vmmagic_unboxed_Address_2I () { |
| abort(); |
| } |
| |
| extern "C" void |
| Java_org_j3_mmtk_Memory_dumpMemory__Lorg_vmmagic_unboxed_Address_2II () { |
| abort(); |
| } |