118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
/*
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Copyright (C) 2004, 2005 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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#ifdef _WIN32
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#include <windows.h>
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#include "jni.h"
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JNIEXPORT void* JNICALL ikvm_LoadLibrary(char* psz)
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{
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return LoadLibrary(psz);
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}
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JNIEXPORT void JNICALL ikvm_FreeLibrary(HMODULE handle)
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{
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FreeLibrary(handle);
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}
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JNIEXPORT void* JNICALL ikvm_GetProcAddress(HMODULE handle, char* name, jint argc)
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{
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#ifdef _WIN64
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return GetProcAddress(handle, name);
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#else
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void* pfunc;
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char buf[512];
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if(strlen(name) > sizeof(buf) - 11)
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{
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return 0;
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}
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wsprintf(buf, "_%s@%d", name, argc);
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pfunc = GetProcAddress(handle, buf);
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if (pfunc)
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return pfunc;
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// If we didn't find the mangled name, try the unmangled name (this happens if you have an
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// explicit EXPORT in the linker def).
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return GetProcAddress(handle, name);
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#endif
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}
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#else
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#include <gmodule.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include "jni.h"
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void* JNICALL ikvm_LoadLibrary(char* psz);
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JNIEXPORT void* JNICALL ikvm_LoadLibrary(char* psz)
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{
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return g_module_open(psz, 0);
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}
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void JNICALL ikvm_FreeLibrary(GModule* handle);
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JNIEXPORT void JNICALL ikvm_FreeLibrary(GModule* handle)
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{
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g_module_close(handle);
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}
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void* JNICALL ikvm_GetProcAddress(GModule* handle, char* name, jint argc);
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JNIEXPORT void* JNICALL ikvm_GetProcAddress(GModule* handle, char* name, jint argc)
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{
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void *symbol;
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gboolean res = g_module_symbol(handle, name, &symbol);
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if (res)
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return symbol;
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else
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return NULL;
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}
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void* JNICALL ikvm_mmap(int fd, jboolean writeable, jboolean copy_on_write, jlong position, jint size);
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JNIEXPORT void* JNICALL ikvm_mmap(int fd, jboolean writeable, jboolean copy_on_write, jlong position, jint size)
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{
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return mmap(0, size, writeable ? PROT_WRITE | PROT_READ : PROT_READ, copy_on_write ? MAP_PRIVATE : MAP_SHARED, fd, position);
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}
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int JNICALL ikvm_munmap(void* address, jint size);
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JNIEXPORT int JNICALL ikvm_munmap(void* address, jint size)
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{
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return munmap(address, size);
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}
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int JNICALL ikvm_msync(void* address, jint size);
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JNIEXPORT int JNICALL ikvm_msync(void* address, jint size)
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{
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#if defined(__native_client__) && defined(USE_NEWLIB)
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g_assert_not_reached ();
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return -1;
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#else
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return msync(address, size, MS_SYNC);
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#endif
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}
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#endif
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