https://sourceware.org/bugzilla/show_bug.cgi?id=21212
Bug ID: 21212
Summary: Improve "Empty loadable segment detected" warning
Product: binutils
Version: 2.29 (HEAD)
Status: UNCONFIRMED
Severity: enhancement
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: binutils at ineranves dot de
Target Milestone: ---
Created attachment 9868
--> https://sourceware.org/bugzilla/attachment.cgi?id=9868&action=edit
git patch
This warning is currently shown (among other situations) when a segment has
p_filesz = 0 and a p_memsz > 0 , which is a valid setup to initialize flash
memory of embedded systems with zeros and explicitly mentioned in the ELF
specification as a valid use case.
The attached patch limits the warning to situations when p_filesz > 0 - which
happens when a segment is truncated to 0 length by an objcopy operation that
removes all of the segment's sections.
When the warning is shown, it should identify the segment it is talking about.
The attached patch includes the p_vaddr of the segment for that purpose.
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