Questions tagged [virtual-memory]

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RE Zyxel PMG5318-B20C JFFS2 vmlinux.lz

This is not my expertise so forgive stupidity. I have the following Firmware. I am trying to extract the file sytem with binwalk, which results in a few extracted files and directories. Specifically ...
0
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1answer
44 views

How to protect memory area, not segment or page!

I want to protect the certain memory area, like 0x12345678 ~ 0x12345679. so if another thread accesses to that area, I want to generate exception. To solve my problem, I've found and used ...
1
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2answers
77 views

Can a Data Type Span Multiple Virtual Pages? (Windows)

Can a multi-byte primitive data type (ie int, double, float, etc) span multiple virtual pages on Windows? ex) The first 4-bytes of a double on a virtual page, and the next 4-bytes of a double on the ...
4
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2answers
693 views

What is this hidden stack used by syscalls on Windows?

I've noticed there is a memory region in user mode on Windows 7 x64 WOW64 that changes during syscalls. It is located quite low in the address space and has the characteristics of a stack, i.e. it ...
0
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2answers
589 views

Reading the process memory yields different results

I used some code to read the process memory using the MEMORY_BASE_INFORMATION a little while back using the information provided here. However, when I list out the regions in memory, only the pages ...
4
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1answer
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/proc/self/maps equivalent on windows

I see that inspecting /proc/self/maps on Linux machines lets me see the pages that have been mapped in. As a result I can write a program to read and parse the pages it has mapped in. How could one ...