00007FFB82134F10 push rbp 00007FFB82134F11 push rdi 00007FFB82134F12 push rsi 00007FFB82134F13 sub rsp,20h 00007FFB82134F17 mov rbp,rsp 00007FFB82134F1A mov dword ptr [rbp+40h],ecx 00007FFB82134F1D cmp dword ptr [7FFB82036B80h],0 00007FFB82134F24 je ConsoleApp1.Program.Say(Int32...
push rbp mov rbp, rsp push rsi //initially ymm8 is having some value vmovdqu ymm9, ymm8 //pushing the YMM8 Initial value to YMM9 mov esi, 2 movd xmm8, esi //modifying the xmm8 register value vpbroadcastb ymm8, xmm8 //broadcasted the value vmovdqu ymm8, ymm9 //poping the Y...
push ebp mov ebp, esp sub esp,20 ...这是在开一个新的栈帧，当你调用函数，按照x86最常见...
0x48,0x89,0x84,0x24,0x10,0x00,0x00,0x00,// mov qword ptr [rsp+16],rax 0x51,// push rcx 0x52,// push rdx 0x53,// push rbx 0x55,// push rbp 0x56,// push rsi 0x57,// push rdi 0x41,0x50,// push r8 0x41,0x51,// push r9 ...
一，32位或64位编程可以不要栈帧，直接用esp/rsp寄存器间接寻址访问局部变量，省出ebp/rbp寄存器用于...
a->mov( regs[i], asmjit::host::Mem( asmjit::host::rsp, i * WordSize ) ); a->popf(); a->add( asmjit::host::rsp, count * WordSize ); a->jmp( asmjit::Imm( ctx.Rip ) );#elsea->pusha(); a->pushf(); a.GenCall( _userCode.ptr<size_t>(), { _userData.ptr<size_t>...
栈帧概念:一个基本函数所需要的栈空间,当调用子函数时需要调用新的栈帧涉及到栈有三个寄存器(32):esp,eip,ebp-->对应64位的rsp,rip,rbpesp:指向当前栈帧的顶部。ebp:指向当前栈帧的底部。eip:指向当前栈帧中执行的指令(可以理解为读取esp地址中所对应的信息)要理解栈的运行过程,最核心是理解ebp/eip/esp的...
因为访问内存的时间消耗常常是访问寄存器的几十倍”）。一共2~4条指令（视不同CPU指令集而定）。
a->mov( regs[i], asmjit::host::Mem( asmjit::host::rsp, i * WordSize ) ); a->popf(); a->add( asmjit::host::rsp, count * WordSize ); a->jmp( asmjit::Imm( ctx.Rip ) );#elsea->pusha(); a->pushf(); a.GenCall( _userCode.ptr<size_t>(), { _userData.ptr<size_t>...