[Nasm-bugs] [Bug 3392386] New: Visibility specification has no effect
no-reply at bugzilla-nasm.gorcunov.org
no-reply at bugzilla-nasm.gorcunov.org
Wed Feb 15 12:23:05 PST 2017
https://bugzilla.nasm.us/show_bug.cgi?id=3392386
Bug ID: 3392386
Summary: Visibility specification has no effect
Product: NASM
Version: 2.12.xx
Hardware: PC
OS: Linux
Status: OPEN
Severity: normal
Priority: Medium
Component: Assembler
Assignee: nobody at nasm.us
Reporter: andysem at mail.ru
CC: gorcunov at gmail.com, hpa at zytor.com, nasm-bugs at nasm.us
Created attachment 411578
--> https://bugzilla.nasm.us/attachment.cgi?id=411578&action=edit
Test code snippet
ELF visibility specification has no effect on the produced binary. For example,
having the following code:
global foo
global foo_hidden:function hidden
SECTION .text align=16
foo:
foo_hidden:
foo_label:
ret
$ nasm -f elf64 -o nasm_visibility.o nasm_visibility.asm
$ nm nasm_visibility.o
0000000000000000 T foo
0000000000000000 T foo_hidden
0000000000000000 t foo_label
You can see that the foo_hidden function has the default visibility.
This is on Kubuntu 16.10 x86_64, nasm 2.12.01.
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