memcpy(buffers.getHostBuffer(mInOut["input"]), out.data, outSize);
时间: 2024-04-16 10:26:02 浏览: 202
这段代码是在使用 memcpy 函数将 `out.data` 的数据复制到 `buffers.getHostBuffer(mInOut["input"])` 中。memcpy 是 C/C++ 标准库中的函数,用于内存拷贝操作。它需要三个参数:目标内存地址、源内存地址和要复制的字节数。在这里,目标内存地址是 `buffers.getHostBuffer(mInOut["input"])`,源内存地址是 `out.data`,字节数是 `outSize`。通过这个 memcpy 操作,将 out.data 中的数据复制到了 buffers.getHostBuffer(mInOut["input"]) 中。
相关问题
*:memcpy*.o(.text*) *:lib_a-memcpy*.o(.text*) *:libc_rom.o(.text*) *:libc_rom_mem.o(.text*)
这是一个 Makefile 中的规则,用于将多个目标文件中的 .text 段合并成一个输出文件。其中,* 表示任意字符序列,.o 表示目标文件,(.text*) 表示匹配以 .text 开头的任意字符序列。
具体而言,这个规则将 memcpy.o、lib_a-memcpy.o、libc_rom.o 和 libc_rom_mem.o 中的 .text 段合并成一个输出文件。这些目标文件可能是 C 语言源代码编译而成的目标文件,也可能是汇编语言源代码编译而成的目标文件。合并 .text 段通常是为了减小可执行文件的体积,因为 .text 段包含了程序的代码,是可执行文件中最占空间的部分。
*:memcpy*.o(.text*) *:lib_a-memcpy*.o(.text*) *:libc_rom.o(.text*) *:libc_rom_mem.o(.text*) what is the function of after memcpy?
The entries that you listed are linker script commands that specify which sections of object files should be included in the final output executable.
In this case, the commands are specifying that any sections in object files with names matching `memcpy.o`, `lib_a-memcpy.o`, `libc_rom.o`, and `libc_rom_mem.o` that have names starting with `.text` should be included in the `.text` section of the final executable.
This means that any functions or code in those sections will be included in the final executable and can be executed by the program. `memcpy()` is a standard C library function that is used to copy a block of memory from one location to another, and it is likely that the object files with names matching `memcpy.o` or `lib_a-memcpy.o` contain the implementation of this function. The other object files may contain other C library functions or code that is required by the program.
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