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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/translations/zh_CN/process/programming-language.rst | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/translations/zh_CN/process/programming-language.rst')
-rw-r--r-- | Documentation/translations/zh_CN/process/programming-language.rst | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Documentation/translations/zh_CN/process/programming-language.rst b/Documentation/translations/zh_CN/process/programming-language.rst new file mode 100644 index 000000000..2a47a1d2e --- /dev/null +++ b/Documentation/translations/zh_CN/process/programming-language.rst @@ -0,0 +1,72 @@ +.. include:: ../disclaimer-zh_CN.rst + +:Original: :ref:`Documentation/process/programming-language.rst <programming_language>` +:Translator: Alex Shi <alex.shi@linux.alibaba.com> + +.. _cn_programming_language: + +程序设计语言 +============ + +内核是用C语言 :ref:`c-language <cn_c-language>` 编写的。更准确地说,内核通常是用 :ref:`gcc <cn_gcc>` +在 ``-std=gnu89`` :ref:`gcc-c-dialect-options <cn_gcc-c-dialect-options>` 下编译的:ISO C90的 GNU 方言( +包括一些C99特性) + +这种方言包含对语言 :ref:`gnu-extensions <cn_gnu-extensions>` 的许多扩展,当然,它们许多都在内核中使用。 + +对于一些体系结构,有一些使用 :ref:`clang <cn_clang>` 和 :ref:`icc <cn_icc>` 编译内核 +的支持,尽管在编写此文档时还没有完成,仍需要第三方补丁。 + +属性 +---- + +在整个内核中使用的一个常见扩展是属性(attributes) :ref:`gcc-attribute-syntax <cn_gcc-attribute-syntax>` +属性允许将实现定义的语义引入语言实体(如变量、函数或类型),而无需对语言进行 +重大的语法更改(例如添加新关键字) :ref:`n2049 <cn_n2049>` + +在某些情况下,属性是可选的(即不支持这些属性的编译器仍然应该生成正确的代码, +即使其速度较慢或执行的编译时检查/诊断次数不够) + +内核定义了伪关键字(例如, ``pure`` ),而不是直接使用GNU属性语法(例如, +``__attribute__((__pure__))`` ),以检测可以使用哪些关键字和/或缩短代码, 具体 +请参阅 ``include/linux/compiler_attributes.h`` + +.. _cn_c-language: + +c-language + http://www.open-std.org/jtc1/sc22/wg14/www/standards + +.. _cn_gcc: + +gcc + https://gcc.gnu.org + +.. _cn_clang: + +clang + https://clang.llvm.org + +.. _cn_icc: + +icc + https://software.intel.com/en-us/c-compilers + +.. _cn_gcc-c-dialect-options: + +c-dialect-options + https://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html + +.. _cn_gnu-extensions: + +gnu-extensions + https://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html + +.. _cn_gcc-attribute-syntax: + +gcc-attribute-syntax + https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html + +.. _cn_n2049: + +n2049 + http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2049.pdf |