On Sun, Mar 17, 2019, 6:18 AM Vaibhav Gupta <vaibhavgupt...@gmail.com> wrote:
> > > On Sun, Mar 17, 2019 at 2:10 PM Aditya Upadhyay <aadit0...@gmail.com> > wrote: > >> Hi Vaibhav, >> >> I saw your doubts on devel mailing list regarding the newlib-c. >> These are the points, you should know about newlib c and >> why does most embedded system use newlib c as runtime library. >> >> newlib c is used to provide supports to the different platforms and >> architecute specific compilers. >> For example: >> if you have a compiled binary and that you want to run it on a >> particular platform >> then this newlib c is used by compiler to invoke some of the built-in >> functions >> in that runtime environment. >> Some low level routines are defined inside the newlib-cygwin that provides >> architecture support. For example: Stack, Heap, memory management, >> interrupt facilities is >> defined in the newlib c and these implementation is architecture >> dependent. >> >> On Sun, Mar 17, 2019 at 10:02 AM Vaibhav Gupta <vaibhavgupt...@gmail.com> >> wrote: >> > >> > Hello Aditya, >> > >> > First of all Congratulations for your successful completion of POSIX >> Compilance Project in RTEMS in 2017. >> > . >> > I read your proposal and its impressive. You seem to have done lot of >> homework on RTEMS that >> > time. >> > . >> > I am a 2nd year student from JIIT Noida and I am preparing to take same >> project (POSIX Compilance) this year for GSoC. >> > . >> > I had doubts and asked them on mailing list, then Gedare suggested me >> to take advice from you as you also went with same processes at your time >> which I am facing now. >> > . >> For more, You can look into this: >> >> https://www.embedded.com/design/prototyping-and-development/4024867/Embedding-with-GNU-Newlib >> Above link will help you to understand other term like reentrancy concept >> when you will be going to provide supports in the multi-threaded >> environment. >> To understand licensing terms, You can refer here. It will help to >> figure out the >> difference between the glibc, newlibc, klibc etc.. >> https://groups.google.com/forum/#!topic/native-client-discuss/_OAQsL77kPQ >> >> > It would be great if you can help me out. >> > >> I would encourage you to test this inttypes test suite code, What >> I have not yet committed. You just need to change some copyrights things. >> It would be appreciated if you send a patch on devel. It will help you to >> understand the code flow and relation between the newlib c and rtems. >> inttypes methods test suite location: >> https://drive.google.com/open?id=1vnb0KBhkYLTPzbRJPMuwsnyWLP694VAa > > I did try to run it with following command: > sparc-rtems5-gcc > -B/home/varodek/development/rtems/5/sparc-rtems5/erc32/lib -specs bsp_specs > -qrtems -mcpu=cypress -O2 -g -ffunction-sections -fdata-sections -Wall > -Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes > -Wnested-externs -Wl,--gc-sections -mcpu=cypress init.c > > it gives me error: > > init.c:9:10: fatal error: tmacros.h: No such file or directory > #include <tmacros.h> > ^~~~~~~~~~~ > compilation terminated. > > Though the headerfile is located at > /home/varodek/development/rtems/kernel/rtems/testsuites/support/include/tmacros.h > That file is in the RTEMS source tree. His test needs to be built as part of the test suite. And did I miss meeting a patch for this? If it is ready, please poke me with where to get it. Sorry. > > > >> >> > Thanks >> > Vaibhav Gupta >> >> Thanks, >> Aditya Upadhyay >> > _______________________________________________ > devel mailing list > devel@rtems.org > http://lists.rtems.org/mailman/listinfo/devel
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