msphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextEnglish}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget/arch/parisc/registersmodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget)/translations/zh_TW/arch/parisc/registersmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget)/translations/it_IT/arch/parisc/registersmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget)/translations/ja_JP/arch/parisc/registersmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget)/translations/ko_KR/arch/parisc/registersmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget)/translations/sp_SP/arch/parisc/registersmodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageChinese (Simplified)uh1h hh _documenthsourceNlineNubhnote)}(hX{此文件的目的是为让中文读者更容易阅读和理解，而不是作为一个分支。 因此， 如果您对此文件有任何意见或更新，请先尝试更新原始英文文件。 如果您发现本文档与原始文件有任何不同或者有翻译问题，请发建议或者补丁给 该文件的译者，或者请求中文文档维护者和审阅者的帮助。h]h paragraph)}(hX{此文件的目的是为让中文读者更容易阅读和理解，而不是作为一个分支。 因此， 如果您对此文件有任何意见或更新，请先尝试更新原始英文文件。 如果您发现本文档与原始文件有任何不同或者有翻译问题，请发建议或者补丁给 该文件的译者，或者请求中文文档维护者和审阅者的帮助。h]hX{此文件的目的是为让中文读者更容易阅读和理解，而不是作为一个分支。 因此， 如果您对此文件有任何意见或更新，请先尝试更新原始英文文件。 如果您发现本文档与原始文件有任何不同或者有翻译问题，请发建议或者补丁给 该文件的译者，或者请求中文文档维护者和审阅者的帮助。}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hh5Documentation/translations/zh_CN/disclaimer-zh_CN.rsthKhhubah}(h]h ]h"]h$]h&]uh1hhhhhhhhNubh field_list)}(hhh](hfield)}(hhh](h field_name)}(hOriginalh]hOriginal}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhV/var/lib/git/docbuild/linux/Documentation/translations/zh_CN/arch/parisc/registers.rsthKubh field_body)}(h(Documentation/arch/parisc/registers.rst 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]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(hCR 9, 12, 13 (PIDS)h]hCR 9, 12, 13 (PIDS)}(hjkhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhubah}(h]h ]h"]h$]h&]uh1jhjeubj)}(hhh]h)}(h 未使用h]h 未使用}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjeubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h CR10 (CCR)h]h CR10 (CCR)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hFPU延迟保存*h]hFPU延迟保存*}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(hCR11h]hCR11}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h按照ABI的规定（SAR）h]h按照ABI的规定（SAR）}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(hCR14 (中断向量)h]hCR14 (中断向量)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h初始化为 fault_vectorh]h初始化为 fault_vector}(hj'hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj$ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h 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0)h]h CR24 (TR 0)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK'hjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h内核空间页目录指针h]h内核空间页目录指针}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK'hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h CR25 (TR 1)h]h CR25 (TR 1)}(hj6hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK(hj3ubah}(h]h ]h"]h$]h&]uh1jhj0ubj)}(hhh]h)}(h用户空间页目录指针h]h用户空间页目录指针}(hjMhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK(hjJubah}(h]h ]h"]h$]h&]uh1jhj0ubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h CR26 (TR 2)h]h CR26 (TR 2)}(hjmhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK)hjjubah}(h]h ]h"]h$]h&]uh1jhjgubj)}(hhh]h)}(h 不使用h]h 不使用}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK)hjubah}(h]h ]h"]h$]h&]uh1jhjgubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h CR27 (TR 3)h]h CR27 (TR 3)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK*hjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h线程描述符指针h]h线程描述符指针}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK*hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h CR28 (TR 4)h]h CR28 (TR 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]h"]h$]h&]uh1hhhhKDhjL ubah}(h]h ]h"]h$]h&]uh1jhj2 ubeh}(h]h ]h"]h$]h&]uh1jhjSubeh}(h]h ]h"]h$]h&]uh1jhj<ubeh}(h]h ]h"]h$]h&]colsKuh1jhj9ubah}(h]h ]h"]h$]h&]uh1jhj(hhhhhNubeh}(h]id3ah ]h"]!空间寄存器（用户模式）ah$]h&]uh1jRhjuhhhhhK=ubjS)}(hhh](jX)}(h处理器状态字h]h处理器状态字}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jWhj hhhhhKIubj)}(hhh]j)}(hhh](j)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthK0uh1jhj ubj)}(hhh](j)}(hhh](j)}(hhh]h)}(hW （64位地址）h]hW （64位地址）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKLhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h0h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKLhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hE （小尾端）h]hE （小尾端）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKMhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKMhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hS （安全间隔计时器）h]hS （安全间隔计时器）}(hj% hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKNhj" ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj< hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKNhj9 ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hT （产生分支陷阱）h]hT （产生分支陷阱）}(hj[ hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKOhjX ubah}(h]h ]h"]h$]h&]uh1jhjU ubj)}(hhh]h)}(hj h]h0}(hjr hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKOhjo ubah}(h]h ]h"]h$]h&]uh1jhjU ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hH （高特权级陷阱）h]hH （高特权级陷阱）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKPhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKPhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hL （低特权级陷阱）h]hL （低特权级陷阱）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKQhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKQhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hN （撤销下一条指令）h]hN （撤销下一条指令）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKRhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h被C代码使用h]h被C代码使用}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKRhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(h X （数据存储中断禁用）h]h X （数据存储中断禁用）}(hj4 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKShj1 ubah}(h]h ]h"]h$]h&]uh1jhj. ubj)}(hhh]h)}(hj h]h0}(hjK hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKShjH ubah}(h]h ]h"]h$]h&]uh1jhj. ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hB （产生分支）h]hB （产生分支）}(hjj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKThjg ubah}(h]h ]h"]h$]h&]uh1jhjd ubj)}(hhh]h)}(h被C代码使用h]h被C代码使用}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKThj~ ubah}(h]h ]h"]h$]h&]uh1jhjd ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hC （代码地址转译）h]hC （代码地址转译）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKUhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h"1, 在执行实模式代码时为0h]h"1, 在执行实模式代码时为0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKUhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hV （除法步长校正）h]hV （除法步长校正）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKVhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h被C代码使用h]h被C代码使用}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKVhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hM （HPMC 掩码）h]hM （HPMC 掩码）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKWhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h0, 在执行HPMC操作*时为1h]h0, 在执行HPMC操作*时为1}(hj& hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKWhj# ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hC/B （进/借 位）h]hC/B （进/借 位）}(hjF hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKXhjC ubah}(h]h ]h"]h$]h&]uh1jhj@ ubj)}(hhh]h)}(h被C代码使用h]h被C代码使用}(hj] hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKXhjZ ubah}(h]h ]h"]h$]h&]uh1jhj@ ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hO （有序引用）h]hO （有序引用）}(hj} hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKYhjz ubah}(h]h ]h"]h$]h&]uh1jhjw ubj)}(hhh]h)}(h1*h]h1*}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKYhj ubah}(h]h ]h"]h$]h&]uh1jhjw ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hF （性能监视器）h]hF （性能监视器）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKZhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKZhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hR （回收计数器陷阱）h]hR （回收计数器陷阱）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK[hj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hj h]h0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK[hj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hQ （收集中断状态）h]hQ （收集中断状态）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK\hj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h$1 （在rfi之前的代码中为0）h]h$1 （在rfi之前的代码中为0）}(hj7 hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK\hj4 ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hP （保护标识符）h]hP （保护标识符）}(hjW hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK]hjT ubah}(h]h ]h"]h$]h&]uh1jhjQ ubj)}(hhh]h)}(h1*h]h1*}(hjn hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK]hjk ubah}(h]h ]h"]h$]h&]uh1jhjQ ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hD （数据地址转译）h]hD （数据地址转译）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK^hj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h"1, 在执行实模式代码时为0h]h"1, 在执行实模式代码时为0}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK^hj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](j)}(hhh]h)}(hI （外部中断掩码）h]hI （外部中断掩码）}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK_hj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h由cli()/sti()宏使用。h]h由cli()/sti()宏使用。}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK_hj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]colsKuh1jhj ubah}(h]h ]h"]h$]h&]uh1jhj hhhhhNubeh}(h]id4ah ]h"]处理器状态字ah$]h&]uh1jRhjuhhhhhKIubjS)}(hhh](jX)}(h*“隐形”寄存器（影子寄存器）h]h*“隐形”寄存器（影子寄存器）}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jWhjhhhhhKcubj)}(hhh]j)}(hhh](j)}(hhh]h}(h]h ]h"]h$]h&]colwidthK uh1jhj%ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj%ubj)}(hhh](j)}(hhh](j)}(hhh]h)}(hPSW W 默认值h]hPSW W 默认值}(hjEhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKfhjBubah}(h]h ]h"]h$]h&]uh1jhj?ubj)}(hhh]h)}(hj h]h0}(hj\hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKfhjYubah}(h]h ]h"]h$]h&]uh1jhj?ubeh}(h]h ]h"]h$]h&]uh1jhj<ubj)}(hhh](j)}(hhh]h)}(hPSW E 默认值h]hPSW E 默认值}(hj{hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKghjxubah}(h]h ]h"]h$]h&]uh1jhjuubj)}(hhh]h)}(hj h]h0}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKghjubah}(h]h ]h"]h$]h&]uh1jhjuubeh}(h]h ]h"]h$]h&]uh1jhj<ubj)}(hhh](j)}(hhh]h)}(h影子寄存器h]h影子寄存器}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h被中断处理代码使用h]h被中断处理代码使用}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj<ubj)}(hhh](j)}(hhh]h)}(h TOC启用位h]h TOC启用位}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKihjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h1h]h1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKihjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj<ubeh}(h]h ]h"]h$]h&]uh1jhj%ubeh}(h]h ]h"]h$]h&]colsKuh1jhj"ubah}(h]h ]h"]h$]h&]uh1jhjhhhhhNubh transition)}(h:----------------------------------------------------------h]h}(h]h ]h"]h$]h&]uh1j,hhhKlhjhhubh)}(hX:PA-RISC架构定义了7个寄存器作为“影子寄存器”。这些寄存器在 RETURN FROM INTERRUPTION AND RESTORE指令中使用，通过消 除中断处理程序中对一般寄存器（GR）的保存和恢复的需要来减 少状态保存和恢复时间。影子寄存器是GRs 1, 8, 9, 16, 17, 24和25。h]hX:PA-RISC架构定义了7个寄存器作为“影子寄存器”。这些寄存器在 RETURN FROM INTERRUPTION AND RESTORE指令中使用，通过消 除中断处理程序中对一般寄存器（GR）的保存和恢复的需要来减 少状态保存和恢复时间。影子寄存器是GRs 1, 8, 9, 16, 17, 24和25。}(hj8hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKnhjhhubj-)}(hI-------------------------------------------------------------------------h]h}(h]h ]h"]h$]h&]uh1j,hhhKthjhhubh)}(hd寄存器使用说明，最初由John Marvin提供，并由Randolph Chung提供一些补充说明。h]hd寄存器使用说明，最初由John Marvin提供，并由Randolph Chung提供一些补充说明。}(hjPhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKvhjhhubh)}(h对于通用寄存器:h]h对于通用寄存器:}(hj^hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKxhjhhubh)}(hr1,r2,r19-r26,r28,r29 & r31可以在不保存它们的情况下被使用。当然，如果你 关心它们，在调用另一个程序之前，你也需要保存它们。上面的一些寄存器确实 有特殊的含义，你应该注意一下:h]hr1,r2,r19-r26,r28,r29 & r31可以在不保存它们的情况下被使用。当然，如果你 关心它们，在调用另一个程序之前，你也需要保存它们。上面的一些寄存器确实 有特殊的含义，你应该注意一下:}(hjlhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKzhjhhubh block_quote)}(hXur1: addil指令是硬性规定将其结果放在r1中，所以如果你使用这条指令要 注意这点。 r2: 这就是返回指针。一般来说，你不想使用它，因为你需要这个指针来返 回给你的调用者。然而，它与这组寄存器组合在一起，因为调用者不能 依赖你返回时的值是相同的，也就是说，你可以将r2复制到另一个寄存 器，并在作废r2后通过该寄存器返回，这应该不会给调用程序带来问题。 r19-r22: 这些通常被认为是临时寄存器。 请注意，在64位中它们是arg7-arg4。 r23-r26: 这些是arg3-arg0，也就是说，如果你不再关心传入的值，你可以使用 它们。 r28,r29: 这俩是ret0和ret1。它们是你传入返回值的地方。r28是主返回值。当返回 小结构体时，r29也可以用来将数据传回给调用程序。 r30: 栈指针 r31: ble指令将返回指针放在这里。 r3-r18,r27,r30需要被保存和恢复。r3-r18只是一般用途的寄存器。 r27是数据指针，用来使对全局变量的引用更容易。r30是栈指针。h](hdefinition_list)}(hhh](hdefinition_list_item)}(hmr1: addil指令是硬性规定将其结果放在r1中，所以如果你使用这条指令要 注意这点。 h](hterm)}(hr1:h]hr1:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubh definition)}(hhh]h)}(hhaddil指令是硬性规定将其结果放在r1中，所以如果你使用这条指令要 注意这点。h]hhaddil指令是硬性规定将其结果放在r1中，所以如果你使用这条指令要 注意这点。}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hX}r2: 这就是返回指针。一般来说，你不想使用它，因为你需要这个指针来返 回给你的调用者。然而，它与这组寄存器组合在一起，因为调用者不能 依赖你返回时的值是相同的，也就是说，你可以将r2复制到另一个寄存 器，并在作废r2后通过该寄存器返回，这应该不会给调用程序带来问题。 h](j)}(hr2:h]hr2:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(hXx这就是返回指针。一般来说，你不想使用它，因为你需要这个指针来返 回给你的调用者。然而，它与这组寄存器组合在一起，因为调用者不能 依赖你返回时的值是相同的，也就是说，你可以将r2复制到另一个寄存 器，并在作废r2后通过该寄存器返回，这应该不会给调用程序带来问题。h]hXx这就是返回指针。一般来说，你不想使用它，因为你需要这个指针来返 回给你的调用者。然而，它与这组寄存器组合在一起，因为调用者不能 依赖你返回时的值是相同的，也就是说，你可以将r2复制到另一个寄存 器，并在作废r2后通过该寄存器返回，这应该不会给调用程序带来问题。}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(har19-r22: 这些通常被认为是临时寄存器。 请注意，在64位中它们是arg7-arg4。 h](j)}(hr19-r22:h]hr19-r22:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(hW这些通常被认为是临时寄存器。 请注意，在64位中它们是arg7-arg4。h]hW这些通常被认为是临时寄存器。 请注意，在64位中它们是arg7-arg4。}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hkr23-r26: 这些是arg3-arg0，也就是说，如果你不再关心传入的值，你可以使用 它们。 h](j)}(hr23-r26:h]hr23-r26:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(ha这些是arg3-arg0，也就是说，如果你不再关心传入的值，你可以使用 它们。h]ha这些是arg3-arg0，也就是说，如果你不再关心传入的值，你可以使用 它们。}(hj-hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj*ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hr28,r29: 这俩是ret0和ret1。它们是你传入返回值的地方。r28是主返回值。当返回 小结构体时，r29也可以用来将数据传回给调用程序。 h](j)}(hr28,r29:h]hr28,r29:}(hjKhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjGubj)}(hhh]h)}(h这俩是ret0和ret1。它们是你传入返回值的地方。r28是主返回值。当返回 小结构体时，r29也可以用来将数据传回给调用程序。h]h这俩是ret0和ret1。它们是你传入返回值的地方。r28是主返回值。当返回 小结构体时，r29也可以用来将数据传回给调用程序。}(hj\hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjYubah}(h]h ]h"]h$]h&]uh1jhjGubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hr30: 栈指针 h](j)}(hr30:h]hr30:}(hjzhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjvubj)}(hhh]h)}(h 栈指针h]h 栈指针}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjvubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(h.r31: ble指令将返回指针放在这里。 h](j)}(hr31:h]hr31:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(hhh]h)}(h'ble指令将返回指针放在这里。h]h'ble指令将返回指针放在这里。}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubeh}(h]h ]h"]h$]h&]uh1jhj|ubh)}(hr3-r18,r27,r30需要被保存和恢复。r3-r18只是一般用途的寄存器。 r27是数据指针，用来使对全局变量的引用更容易。r30是栈指针。h]hr3-r18,r27,r30需要被保存和恢复。r3-r18只是一般用途的寄存器。 r27是数据指针，用来使对全局变量的引用更容易。r30是栈指针。}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj|ubeh}(h]h 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