If I recall correctly the data has to be properly aligned for correct access under SPARC else you might see bus-error run time errors.. -ishwar On Fri, 13 May 2005, John Carter wrote: > I am linking an executable for an embedded target with very limited > rom/ram resources. > > While analysing our space requirements I noted a fairly large discrepancy > between the amount of rodata reported by readelf vs adding up the > individual symbols reported by objdump --syms. (About a factor 1.5) > > As far as I can see, there are two sources for this discrepancy... > 1) Alignment. (1 byte symbol followed by a 4 byte aligned symbol) > 2) Some large mysterious other thing between the last symbol and the end > of the rodata segment.. > > Question 1) > Any ld flags / linking script options / ... that I can use to pack all > byte aligned objects together? > > Question 2) > Any guesses as to what are the mystery rodata items that are not showing > up in objdump --syms? > > Question 3) > Are these problems perhaps an artifact of the somewhat elderly version > of the toolchain we are using? ie. Would upgrading solve this problem? > sparc-rtems-gcc 2.95.2 > sparc-rtems-objdump 2.11 > > > Thanks, > > > John Carter Phone : (64)(3) 358 6639 > Tait Electronics Fax : (64)(3) 359 4632 > PO Box 1645 Christchurch Email : john.carter@xxxxxxxxxx > New Zealand > >
