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config(1): Note a little more about linkage

This commit is contained in:
uebayasi 2014-11-08 05:57:41 +00:00
parent 1ead4f1a39
commit 28fcb3ecde
1 changed files with 11 additions and 3 deletions
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14
usr.bin/config/TODO
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@ -192,7 +192,8 @@ o Control ELF sections using linker script.
cacheline_aligned) to load address specification for external boot loaders.
Make this into multiple stages to make linkage more structural. Especially,
reserve the final link for purely MD purpose.
reserve the final link for purely MD purpose. Note that in modular build,
*.ko are shared between build of kernel and modular(9) modules (*.kmod).
Monolithic build:
*.o ---> netbsd.ko Generic MI linkage
@ -227,5 +228,12 @@ o Control ELF sections using linker script.
(netbsd.ro) is linked into multiple final kernel image (netbsd) for diferent
load addresses.
XXX Modular MI linkage
XXX Modular MD linkage
Modular MI linkage is to prepare a module to be loadable as modular(9). This
may add some extra sections and/or symbols.
Modular MD linkage is again for pure MD purposes like kernel MD linkage.
Adjustment and/or optimization may be done.
Kernel and modular MI linkages may change behavior depending on existence
of debug information. In the future .symtab will be copied using linker
during this stage.