search for: virtualquery

Hi all, I''ve got the latest win32-mmap code checked into CVS. Unfortunately, it seems that I''m not able to open an existing mapping and retrieve set data. Below is a simple example that seems like it ought to work but doesn''t. Any ideas? # map1.rb require ''win32/mmap'' include Win32 mmap = MMap.new(:name => ''alpha'', :size

Hi Ruben, > I see I missed some curly braces. I also modified spacing a tiny bit. Doesn't seem so. E.g. you have: + if ( !VirtualQuery(addr, &b, sizeof(b)) ) + exit(1); + if( !VirtualProtect(b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, &b.Protect) ) Add space after "if". Do not put spaces after "(" and before ")". Same for other places in the file. -- With best regards, Ant...

...ke executable the page containing execution_buffer char* start = (char*)((uintptr_t)execution_buffer & (-4095)); char* end = (char*)((uintptr_t)(&execution_buffer[128+4096]) & (-4095)); +#if defined(_WIN32) + DWORD dummy_oldProt; + MEMORY_BASIC_INFORMATION b; + if ( !VirtualQuery(start, &b, sizeof(b)) ) + return 1; + if ( !VirtualProtect(b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, &b.Protect) ) +#else if ( mprotect(start, end-start, PROT_READ|PROT_WRITE|PROT_EXEC) != 0 ) +#endif return 1; // verify you can copy and execute a f...

...ke executable the page containing execution_buffer char* start = (char*)((uintptr_t)execution_buffer & (-4095)); char* end = (char*)((uintptr_t)(&execution_buffer[128+4096]) & (-4095)); +#if defined(_WIN32) + DWORD dummy_oldProt; + MEMORY_BASIC_INFORMATION b; + if ( !VirtualQuery(start, &b, sizeof(b)) ) + return 1; + if ( !VirtualProtect(b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, &b.Protect) ) +#else if ( mprotect(start, end-start, PROT_READ|PROT_WRITE|PROT_EXEC) != 0 ) +#endif return 1; // verify you can copy and execute a f...

2012/1/7 Anton Korobeynikov <anton at korobeynikov.info> > Hi Ruben, > > > I see I missed some curly braces. I also modified spacing a tiny bit. > Doesn't seem so. E.g. you have: > > + if ( !VirtualQuery(addr, &b, sizeof(b)) ) > + exit(1); > + if( !VirtualProtect(b.BaseAddress, b.RegionSize, > PAGE_EXECUTE_READWRITE, &b.Protect) ) > Add space after "if". Do not put spaces after "(" and before ")". Same > for other places in the file. &g...

Hi Pavel, Right, my app also crashes in a different place under winedbg, although it crashes in the same winedbg place under gdb. I took a closer look at wine --winver nt40 --debugmsg +all. I found something interesting. If I search for queue_exception, I find that there is an exception raised before the LoadOEMCall, about 328klines in: 0806d398:Call

...const uintptr_t pageSize = sysconf(_SC_PAGESIZE); > #endif /* __APPLE__ */ > > followed by the generic Unix implementation. Neither applies to Win32, so > I ifdef'ed the whole thing. > > >> > + MEMORY_BASIC_INFORMATION b; >> > + >> > + if (!VirtualQuery(addr, &b, sizeof(b))) >> > + exit(1); >> > + if (!VirtualProtect(b.BaseAddress, b.RegionSize, >> PAGE_EXECUTE_READWRITE, &b.Protect)) >> > + exit(1); >> > +#endif /* _WIN32 */ >> > } >> >> Aside from that, patch LGTM....

Hi, I've got a program that produces these error messages when started with wine. fixme:dc:LockWindowUpdate (0x10024), partial stub! fixme:dc:LockWindowUpdate ((nil)), partial stub! fixme:dc:LockWindowUpdate (0x10024), partial stub! fixme:dc:LockWindowUpdate ((nil)), partial stub! fixme:dc:LockWindowUpdate (0x10024), partial stub! fixme:dc:LockWindowUpdate ((nil)), partial stub! The program

...764000 off 6200 size 1400 flags 50000040 0806d398: dup_handle( src_process=-1, src_handle=24, dst_process=-1, access=00000000, inherit=0, options=2 ) 0806d398: dup_handle() = 0 { handle=28, fd=-1 } View: 0x400000 - 0x765fff 28 0x400000 - 0x765fff c-rw- That address is filled via a call to VirtualQuery, storing the allocation base address of the virtual memory space containing the address 0x75D5F0. Why is the app trying to read from 0x456010? Where did it get the 0x56000 offset from? That offset was stored in 0x75D66C. That address is not mentioned explicitly anywhere else, but looking at th...