https://sourceware.org/bugzilla/show_bug.cgi?id=19871
Bug ID: 19871
Summary: description of --pie, --pic-executable options
contains wrong-looking statement
Product: binutils
Version: 2.26
Status: NEW
Severity: normal
Priority: P2
Component: ld
Assignee: unassigned at sourceware dot org
Reporter: britton.kerin at gmail dot com
Target Milestone: ---
In the https://sourceware.org/binutils/docs/ld/Options.html#Options (Section
2.1):
-pie
--pic-executable
Create a position independent executable. This is currently only supported
on ELF platforms. Position independent executables are similar to shared
libraries in that they are relocated by the dynamic linker to the virtual
address the OS chooses for them (which can vary between invocations). Like
normal dynamically linked executables they can be executed and symbols defined
in the executable cannot be overridden by shared libraries.
The sentence
Like normal dynamically linked executables they can be executed and
symbols defined in the executable cannot be overridden by shared
libraries.
seems slightly wrong. The first part of the sentence describes a way in which
produced executables are like dynamically linked ones (they can be executed).
However, the second part described a way in which they are NOT like dynamically
linked executables (my understanding of dynamic linking being that it relies
precisely on overriding symbols). The sentence should probably read:
Like normal dynamically linked executables they can be executed, however
symbols defined in the executable cannot be overridden by shared
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