WHAT ARE THE NAMES OF THE NEW X86_64 PROCESSORS REGISTERS?
Nov 18, 2009 The old 32-bit registers have been extended to 64 bits, the r registers (rax, rbx, rsp and so on). In addition, there's some extra general purpose registers r8 through r15 which can … From stackoverflow.com
ASSEMBLY - WHAT DOES 'CALLQ * (%RAX)' MEAN? - STACK OVERFLOW
Jul 10, 2019 Thus (%rax) means to get the value of the pointer currently stored in %rax. What does the star decoration do on that? Does that further dereference that value (thus (%rax) is … From stackoverflow.com
Sep 26, 2018 Now rax register stores the argv array address. We then add 8 bytes to rax. This means rax now points to the address of argv[1]. (I understand there is another address stored … From stackoverflow.com
WHAT DOES THE R STAND FOR IN RAX, RBX, RCX, RDX, RSI, RDI, …
• RDX:RAX register pair representing a 128-bit operand See the question and answer for x86_64 registers rax/eax/ax/al overwriting full register contents as well as Why do most x64 … From stackoverflow.com
ASSEMBLY REGISTERS IN 64-BIT ARCHITECTURE - STACK OVERFLOW
Following the answer about assembly registers' sizes: First, what sizes are eax, ax, ah and their counterparts, in the 64-bit architecture? How to access a single register's byte and how to … From stackoverflow.com
X86_64 REGISTERS RAX/EAX/AX/AL OVERWRITING FULL REGISTER CONTENTS
As it is widely advertised, modern x86_64 processors have 64-bit registers that can be used in backward-compatible fashion as 32-bit registers, 16-bit registers and even 8-bit registers, for … From stackoverflow.com
ASSEMBLY - HOW IS "RAX" DIFFERENT FROM "EAX"? - STACK OVERFLOW
Jul 7, 2017 The registers starting with r as in rax, rbx, etc, are the 64-bit registers introduced with the AMD64 extension to the existing 32-bit x86 ISA. That ISA extension was subsequently … From stackoverflow.com
HOW TO READ REGISTERS: RAX, RBX, RCX, RDX, RSP. RBP, RSI, …
Dec 13, 2013 @DavidHeffernan: I just want to read values that are currently in those registers: RAX, RBX, RCX, RDX, RSP. RBP, RSI, RDI and print them out, thats it. From stackoverflow.com
X86 64 - WHY IS THE %RAX REGISTER USED IN THE ASSEMBLY FOR THIS ...
Dec 9, 2020 @RossRidge given %rax is the go-to register for storing return values, seeing it used in another way is surprising to me. It means that reading the disassembled code requires … From stackoverflow.com
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