使用该标准可以很方便的执行C和汇编语言的相互调用。 编译程序时,使用--apcs选项可以指定所使用得AAPCS标准的版本。如果没有指定--apcs或--cpu选项,则编译器使用下面默认编译选项。 --apcs /noswst/nointer/noropi/norwpi --cpu ARM7TDMI --fpu softvfp 有关AAPCS的详细信息,请参加ARM相关文档。 14.1.5 编译...
那就可以放参数,而参数少的情况下,就足够存放参数了,比如参数有2个,那么就用r0和r1存放即可。 (关于参数1和参数2,具体哪个放在r0,哪个放在r1,就是和APCS中的“在函数调用之间传递/返回参数”相关了, APCS中会有详细的约定。感兴趣的自己去研究。) 但是如果参数太多,寄存器不够用,那么就得把多余的参数堆栈中了。
参数的数目直接影响调用函数的速度,参数越多,调用函数越慢。参数的数目少,程序就显得精练、简洁,这有助于检查和发现程序中的错误。 如果一个函数的参数超过4个,就该考虑该函数是否编写得当。特别是嵌入式软件开发中,APCS规定的寄存器使用,R0~R3用来传递函数的参数。当参数个数超过4个时需要借助堆栈来传递参数。 如...
在编译器使用apcs开关选项,即支持ATPCS(ARMThumb Procedure Call STandard)标准时,理论上有14个寄存器(R0～R12,R14)可以用来存放局部变量。但是实际上有些寄存器有自身特殊的用途,例如R9在与读写位置无关(RWPI)的编译情况下作为静态基址寄存器使用,R12作为子程序内部调用的临时过渡寄存器使用。ATPCS规则中的寄存器名称及...
Dendritic cells (DCs) are antigen-presenting cells (APCs) that process antigens, and present them to T cells. Dendritic cells also secrete various cytokines, including interleukin-12 (IL-12) and IFN-alpha. Dendritic cells occur in twolineages, themyeloid DCsand theplasmacytoid DCs. The myeloid...
Supplemental APCS curriculum. Contribute to wchargin/apcs development by creating an account on GitHub.
(MMP-9), thereby blocking the breakdown of the BBB basement membrane. Furthermore, APC blocks the expression of proinflammatory cytokines limiting inflammation by controlling NFκB nuclear translocation. APCs cytoprotective effects on endothelial cells require EPCR and PAR-1 to cross-activate sphingosine...
Dendritic cells (DCs) are major antigen-presenting cells (APCs) and play a critical role in directing host immune responses towards either immunity or tolerance. C-type lectin receptors (CLRs) expressed on DCs not only facilitate antigen... C Gu 被引量: 1发表: 2018年 The Association Between...
C-type lectin receptors expressed in APCs are recently defined pattern recognition receptors that play a crucial role in immune responses against pathogen-associated molecular patterns. Among pathogen-associated molecular patterns, cord ... Y Miyake,M Oh-Hora,S Yamasaki - 《Journal of Immunology》 被...
et al. Contribution of MINCLE-SYK signaling to activation of primary human APCs by mycobacterial cord factor and the novel adjuvant TDB. J. Immunol. 195, 2417–2428 (2015). Article PubMed CAS Google Scholar Tientcheu, L. D. et al. Immunological consequences of strain variation within the...