x86-CodePudding

Tags > x86

09-16BlockchainStep-by-step explanation of basic C / x86 assembly code for pointer dereference and multiply
09-13databaseEnergy consumption per x86 instruction?
09-12OSNasm x86-32: int to string
09-11Back-endNasm x86-32 : writing bytes to a string
09-11Software designConfusion about the many ways of saving variables in assembly, aka .skip .equ and .quad
09-07otherOverflow flag set to 1 after ROL operation even though it should be undefined
09-05BlockchainWinDbg evaluate ebp 12
09-04EnterpriseDoes the existence of PAGE_EXECUTE_READWRITE as an option in VirtualAlloc mean that the W^X is only
09-04databaseIBM 5150 - int 21h corrupts segment registers
09-02NetAcquire-release on x86
08-31otherHow to prevent gcc from reordering x86 frame pointer saving/setup instructions?
08-29otherWhat causes x86-64 Page Fault with only the Write bit set when a hardware interrupt happens while CP
08-28front endDoes anyone have an example where _mm256_stream_load_si256 (non-tempral load to bypasse cache) actua
08-28front endProblem in understanding the overflow flag (OF) as defined by the IMUL instruction
08-22databaseDo source and destination operands need to be the same size?
08-19NetUnexpected page fault when writing return value from assembly procedure
08-18databaseUnnecessary pushing of registers to the stack when others with the same value exist, why?
08-18databaseOmitting the code segment directive in 8086 assembly? (emu8086)
08-17BlockchainHow would I concate 2 strings into a one in assembly? (NASM)
08-12OSDoes x86_64 CPU use the same cache lines for communicate between 2 processes via shared memory?
08-12OSGlobally Invisible load instructions
08-02BlockchainWhy same lgdt opCode display difference on objdump and bochs
07-29MobileHow does kernel_thread_helper pass parameters to kernel thread function using inline assembly?
07-26MobileFastest way to take the average of two signed integers in x86 assembly?
07-26Software engineeringIs uops.info wrong about vinserti128?
07-25otherHow do I draw a pixel in VESA VBE?
07-25otherHow can I fix my VBE implementation for my OS?
07-24BlockchainWhat is the simplest way to get a higher resolution Graphics Mode?
07-23databaseKernel stops working when an interrupt occurs
07-21BlockchainHow do I fix my double-buffer not drawing to screen?
07-21MobileWhy am I getting flickering in the display
07-20Enterprisex86 protected mode interrupts causes triple fault
07-20Enterprise`test` vs `cmp` for one-bit registers comparison
07-18otherHow to use VESA mode in vmware or Virtualbox?
07-17otherWhy won't the pixels I try to draw into VGA memory show up?
07-16OSWhy does NASM system call number perform 2 different operations despite specifying the same call num
07-16front endTwo shellcodes in one program result in segfault, how can I pass shellcode as parameter to a functio
07-14Back-endx86, amd64: Why SIGTRAP' ucontext instruction pointer does not point to related int3
07-14Back-endHow to print inputted text in x86 assembly
07-12NetStrange uses of movzx by Clang and GCC

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