protecting a page fo开发者_StackOverflowr Read and/or Write access is possible as there are bits in the page table entry that can be turned on and off at kernel level. Is there a way in which certain
I use 开发者_运维知识库mprotect() to set protection flags to a memory area. Later on, I want to restore this memory area\'s protection flags.
I have a C program that (for good reason) allocates memory, copies some code to it, uses mprotect() to give it execute privileges, and then calls that code.
I\'m constructing a program which uses mprotect() to restrict a block of memory from accessing.When the memory is requested, a SIGSEGV is thrown which I listen for using a signal() call.
I want to write a signal handler to catch SIGSEGV. I protect a block of memory for read or write using
Hi I\'m trying to load raw machine code into memory and run it from within a C program, right now when the program executes it breaks when trying to run mprotect on the memory to make it executable. I
According to the Linux 开发者_如何学编程man page for mprotect the function has 3 arguments: int mprotect(const void *addr, size_t len, int prot);
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