Add missing OBJCOPY
md_imask_update is not an inline function, fix declaration.
Add missing <sys/device.h> include
Fix extent_create() call
Use .set arch=r5900 to enable r5900 specific instructions
Add missing includes, fix C99 struct initialization
Adapt to new attach world order
Adapt to struct buf changes
${.PARSEDIR} not .${PARSEDIR} for Makefile.compiler-rt include