I believe the root cause for this is the fact that the .data.percpu
section is becoming large.
Yeah, something like that. If you don't have an explicit PHDRS
statement in your linker script, ld guesses, and it guesses wrong
in many (most) non-trivial examples.
1) Explicitly add 3 segmnets in the linker script and manually map
sections to segments.
Yep, that's the way to go.
+PHDRS
+{
+ text PT_LOAD FILEHDR PHDRS;
+ data PT_LOAD;
+ extra PT_LOAD;
+}
SECTIONS
{
/* Read-only sections, merged into text segment: */
PROVIDE (__executable_start = 0x10000000); . = 0x10000000 +
SIZEOF_HEADERS;
- .interp : { *(.interp) }
+ .interp : { *(.interp) } :text
That's how it's done, looks good. I haven't checked the details
though, look at the resulting image with readelf to check if
everything is exactly as you want it to be ;-)
Segher
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