http://sourceware.org/bugzilla/show_bug.cgi?id=12975
Summary: --gc-sections doesn't remove symbols hidden with
version scripts
Product: binutils
Version: 2.21
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sources.redhat.com
ReportedBy: mh-sourcew...@glandium.org
(This applies to both ld and gold)
Take the following source code as test.c:
-----8<-----
int foo() { return 42; }
int bar() { return 0; }
#pragma GCC visibility push(hidden)
int baz() { return 1; }
#pragma GCC visibility pop
----->8-----
Take the following version script as ver:
-----8<-----
{
global:
foo;
local:
*;
};
----->8-----
Build with:
gcc -o test.so -shared test.c -Wl,--gc-sections -ffunction-sections
-Wl,--version-script,ver
The baz function, hidden with visibility, is removed from the resulting
test.so, but not bar, as one could expect, since it's effectively hidden
through the version script.
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