On 2018-11-28 4:07 p.m., Helge Deller wrote:
This is what I see now. Why aren't the last .text sections (#2-6 a
least) merged? Are there any linker options I can try?
Sections:
Idx Name Size VMA LMA File off Algn
...
2 .text 000004a4 00001000 00001000 00001000 2**12
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
3 .text 0000984c 00000000 00000000 000014a4 2**2
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
4 .text 00005cdc 00000000 00000000 0000acf0 2**2
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
5 .text 00003e20 00000000 00000000 000109cc 2**2
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
6 .text 00000b88 00000000 00000000 000147ec 2**2
CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE
7 .text 00000000 00000000 00000000 00015374 2**0
CONTENTS, ALLOC, LOAD, READONLY, CODE
But maybe we should revert to -ffunction-sections for modules anyway.
If all .text sections get merged it may happen that we get too big
modules again which fail to load because the distance for jumps are too
far. Currently the module loader will insert jump tables between
sections if necessary...
If I remember correctly, section merging is controlled by linker script.
It does seem unique section names are required for modules, so I think
reverting to
-ffunction-sections for modules is a good idea for the moment.
In looking at some arm64 modules, I only see one .text section.
Dave
--
John David Anglin dave.ang...@bell.net
