On Sat, 2010-08-14 at 09:58 +0200, Bastian Blank wrote: > On Sat, Aug 14, 2010 at 04:17:27AM +0100, Ben Hutchings wrote: > > [I also wonder why we are copying the unstripped modules into > > /usr/lib/debug and not just debug info? > > Because the tools can't cope with them. OK. > > And shouldn't this really be > > part of Kbuild? Here's how we could do it in Kbuild: > > > quiet_cmd_modules_install = INSTALL $@ > > +ifdef INSTALL_MOD_DEBUGLINK > > + cmd_modules_install = mkdir -p $(2); mkdir -p $(3); $(OBJCOPY) --only-keep-debug $@ $(3)/$(@F) && $(OBJCOPY) --strip-debug --add-gnu-debuglink=$(3)/$(@F) $@ $(2)/$(@F) > > The link looks wrong, it includes the absolute path during install time. > > + cmd_modules_install = mkdir -p $(2); mkdir -p $(3); $(OBJCOPY) --only-keep-debug $@ $(3)/$(@F) && $(OBJCOPY) --strip-debug --add-gnu-debuglink=$(4)/$(@F) $@ $(2)/$(@F) [...] objcopy stores only the base name of the debug info file, but it also stores a CRC. It needs the current absolute path in order to calculate the CRC. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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