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Added unprotectExecutableMemory for future use.

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This commit is contained in:
XMRig 2019-06-04 15:48:32 +07:00
parent f620ffe899
commit ac43cd4f9c
3 changed files with 14 additions and 0 deletions
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1
src/crypto/common/VirtualMemory.h
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@ -43,6 +43,7 @@ public:
static void flushInstructionCache(void *p, size_t size); static void flushInstructionCache(void *p, size_t size);
static void freeLargePagesMemory(void *p, size_t size); static void freeLargePagesMemory(void *p, size_t size);
static void protectExecutableMemory(void *p, size_t size); static void protectExecutableMemory(void *p, size_t size);
static void unprotectExecutableMemory(void *p, size_t size);
}; };

6
src/crypto/common/VirtualMemory_unix.cpp
View file

@ -82,3 +82,9 @@ void xmrig::VirtualMemory::protectExecutableMemory(void *p, size_t size)
{ {
mprotect(p, size, PROT_READ | PROT_EXEC); mprotect(p, size, PROT_READ | PROT_EXEC);
} }
void xmrig::VirtualMemory::unprotectExecutableMemory(void *p, size_t size)
{
mprotect(p, size, PROT_WRITE | PROT_EXEC);
}

7
src/crypto/common/VirtualMemory_win.cpp
View file

@ -77,3 +77,10 @@ void xmrig::VirtualMemory::protectExecutableMemory(void *p, size_t size)
DWORD oldProtect; DWORD oldProtect;
VirtualProtect(p, size, PAGE_EXECUTE_READ, &oldProtect); VirtualProtect(p, size, PAGE_EXECUTE_READ, &oldProtect);
} }
void xmrig::VirtualMemory::unprotectExecutableMemory(void *p, size_t size)
{
DWORD oldProtect;
VirtualProtect(p, size, PAGE_EXECUTE_READWRITE, &oldProtect);
}