Jivin Shaun Jackman lays it down ... > On 6/27/06, Shaun Jackman <[EMAIL PROTECTED]> wrote: > >I'm attempting to build an XIP "Hello, world!" application for the ARM > >processor. I'm compiling with -fPIC -msingle-pic-base with the default > >-mpic-register=r10. The layout of the memory map is such that the > >.text and .rodata are in flash memory, and the .got, .data and so > >forth are loaded into RAM. r10 is loaded with the address of the .got. > > A workaround is to place the .rodata section after the .got with the > .data section rather than with the .text data. This work-around loses > the advantage of keeping the read-only data in flash, instead of > copying it to RAM.
Are you using the ld-elf2flt/elf2flt.ld combo ? It lays things out in a known way and has a '-move-rodata' option which will put the rodata in with the .text if it contains no relocation info needed at runtime. Something like this on the link line: XXXX-gcc .... -Wl,-move-rodata .... The uClinux-dist has this as the default for !MMU systems that can do XIP, Cheers, Davidm -- David McCullough, [EMAIL PROTECTED], Ph:+61 734352815 Secure Computing - SnapGear http://www.uCdot.org http://www.cyberguard.com