Thank you for your response. I understood everything you said but I am still confused about the file <machine>-protos.h. Which prototypes have to be defined there?
Thanks in advance, Markus Franke pranav bhandarkar wrote: >> I am wondering where to define the prototypes for functions in >> <machine>.c Shall the prototypes be defined in <machine>-protos.h or in >> <machine>.h or in <machine>.c. As far as I understand the prototypes >> should be defined in <machine>-protos.h, right? But if I do so several >> errors/warnings arise because of undeclared prototypes. >> >> Another question is where target macros should be defined. As far as I >> can see <machine>.c has something like such a structure: >> >> ---snip--- >> #define <SOME_MACRO> >> #define <SOME_MACRO> >> #define <SOME_MACRO> >> #define <SOME_MACRO> >> >> struct gcc_target targetm = TARGET_INITIALIZER; > > <machine>.h is used to define macros that give such information as the > register classes, whether little endian or not, sizes of integral > types etc. > The file <machine>.c, like you rightly said defines the targetm > structure that holds pointers to target related functions and data. > Such functions are defined in the .c file. Such target hooks are > #defined in the .c file. > HTH, > Pranav > -- Nichts ist so praktisch wie eine gute Theorie!
