大约有 244 项符合查询结果(耗时:0.0064秒) [XML]
How can one see content of stack with GDB?
...o
To read the memory at given addresses you should take a look at x
x/x $esp for hex x/d $esp for signed x/u $esp for unsigned etc. x uses the format syntax, you could also take a look at the current instruction via x/i $eip etc.
...
Is errno thread-safe?
...0: 55 push ebp
1: 89 e5 mov ebp,esp
3: 83 e4 f0 and esp,0xfffffff0
6: e8 fc ff ff ff call 7 <main+0x7> ; get address of errno in EAX
b: c7 00 00 00 00 00 mov DWORD PTR [eax],0x0 ; store 0 in errno
11: b8 00...
HTML-parser on Node.js [closed]
... processing HTML without overhead of creating DOM.
– esp
Apr 20 '13 at 18:19
@esp Thanks, Before I thought it was non-...
BLE通信数据不能超过20字节? - 创客硬件开发 - 清泛IT社区,为创新赋能!
...没问题,用AI2就截断了,只有20字符。
答复:
1-在 ESP32 代码中,我放置了这一行:BLEDevice::setMTU(192);
2- 在应用程序中,我将调用 Request MTU 放在 .Connected 块上,请求相同的 192 字节;
就我而言,当我必须发送< 23字节的...
有没有其他方式 在app上接收jpeg数据流变成视频? - App应用开发 - 清泛IT...
...方案:WebViewer 直接加载 MJPEG URL ⭐
最简单有效,适合 ESP32-CAM、IP 摄像头等场景:
组件: WebViewer1
属性: HomeURL = "http://192.168.4.1/stream"
EnableJavaScript = True
原理:MJPEG 本质是服务器连续发送 JPEG 帧,WebViewer 自动渲染成视...
How do function pointers in C work?
...ring function is called in order to set up the function pointers to their respective functions:
String newString()
{
String self = (String)malloc(sizeof(struct String_Struct));
self->get = &getString;
self->set = &setString;
self->length = &lengthString;
s...
How can I see the assembly code for a C++ program?
...bp) #, readme
movl -16(%ebp), %eax # pid, pid
movl %eax, 4(%esp) # pid,
movl $.LC0, (%esp) #,
call printf #
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
... 中断(可屏蔽中断)。它的逻辑 C 描述为:
*(--esp) = eflags; /* push eflags */
if (gate_descriptor.type == INTERRUPT_GATE)
eflags.IF = 0; /* clear eflags.IF */
interrupt handler 使用 iret 指令返...
What are the calling conventions for UNIX & Linux system calls (and user-space functions) on i386 an
...ons of the i386 System V ABI (used on Linux) require 16-byte alignment of %esp before a call, like the x86-64 System V ABI has always required. Callees are allowed to assume that and use SSE 16-byte loads/stores that fault on unaligned. But historically, Linux only required 4-byte stack alignment,...
What does 'foo' really mean?
...vity:
Used very generally as a sample name for absolutely anything, esp.
programs and files (esp. scratch files).
First on the standard list of metasyntactic variables used in
syntax examples (bar, baz, qux, quux, corge, grault, garply,
waldo, fred, plugh, xyzzy, thud). [JARGON]...
