nm(1) -- what is 'r'?

[Ian Lepore]

On Fri, 2017-05-12 at 14:25 -0700, Steve Kargl wrote:
> Compiled libm.  Did 'nm catrig.o'.  Found the following:
> 
> 00000008 r pio2_lo
> 00000000 r tiny
> 
> What is 'r' mean?  nm(1) lacks a description.
> 

'R' is for symbols in a read-only data section, and when it's lowercase
that means it's a local symbol (all of which is in nm(1) but easy to
overlook on a quick skim).

-- Ian