x86-64

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Injecting code into executable at runtime

I\'m working on application (written in C++), which generate some machine code at runtime (Linux, x86-64 now, but I plan to migrate on ARM). Next it store generated code in memory and execute it by ju[详细]

2023-03-10 12:24 分类：问答
MacRuby 0.10 HotCocoa unsupported file format which is not the architecture being linked (i386)

I\'ve installed MacRuby (via rvm): $ ruby -v MacRuby 0.10 (ruby 1.9.2) [universal-darwin10.0, x86_64] And LLVM (via homebrew):[详细]

2023-03-10 01:27 分类：问答
Start x86_64 code on x86 (32bit) Linux, running on x86_64 CPU

?Is it possible to start an x86_64 code on i686 Linux (x86, 32-bit)? My CPU is modern Core 2 and it can run x86_64 64-bit code itself, but the OS is 32bit.[详细]

2023-03-09 19:50 分类：问答
Why is %eax zeroed before a call to printf?

I am trying to pick up a little x86. I am compiling on a 64bit 开发者_高级运维mac with gcc -S -O0.[详细]

2023-03-09 19:04 分类：问答
NUMA documentations for x86-64 processor?

I have already looked for NUMA documentations for X86-64 processors, unfortunately I only found optimization documents for NUMA.[详细]

2023-03-09 04:35 分类：问答
Failure building cross-compiling 64-bit GCC

I\'m trying to get a working gcc cross-compiler created that lives on my local machine [Darwin new-host-2.home 10.7.4 Darwin Kernel Version 10.7.4: Mon Apr 18 21:24:17 PDT 2011; root:xnu-1504.14.12~3/[详细]

2023-03-09 02:30 分类：问答
operand of LIDT is displacement/absolute address

I stumbled upon a statement in Intel Software developers manual: \"For LGDT, LIDT, LLDT, LTR, SGDT, SIDT, SLDT, STR, the exit qualification receives the value of the instruction’s displacement field,[详细]

2023-03-08 10:33 分类：问答
Can't allocate 2-4 Gb of RAM with new[]/ C++/Linux/ x86_64

For this easy test, and the linux box with 4Gb or RAM, 0byte of swap and CPU in x86_64 mode, I can\'t allocate more than 1 Gb of array.[详细]

2023-03-06 14:07 分类：问答
Is x86-64 machine language big endian?

0x0000000000400507 <main+28>:74 0cje0x400515 <main+42> 0x0000000000400509 <main+30>:bf 28 06 40 00 mov$0x400628,%edi[详细]

2023-03-06 10:51 分类：问答
How can I set Xcode Organizer to run with x86_64 binaries?

I\'m programming in fortran and I could use a nice interface to a debugger. Following the advice of this page, I decided to give the Xcode organizer a try.[详细]

2023-03-05 19:47 分类：问答