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module, arm: force sh_addr=0 for arch-specific sections

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When linking modules with 'ld.bfd -r', sections defined without an address
inherit the location counter, resulting in non-zero sh_addr values in the
resulting .ko files. Relocatable objects are expected to have sh_addr=0 for
all sections. Non-zero addresses are confusing in this context, typically
worse compressible, and may cause tools to misbehave [1].

Force sh_addr=0 for all arm-specific module sections.

Link: https://sourceware.org/bugzilla/show_bug.cgi?id=33958 [1]
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Petr Pavlu
2026-03-27 08:59:00 +01:00
committed by Sami Tolvanen
parent e7ae89a0c9
commit ffe1545ce8
1 changed files with 2 additions and 2 deletions
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4
arch/arm/include/asm/module.lds.h
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@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifdef CONFIG_ARM_MODULE_PLTS
SECTIONS {
.plt : { BYTE(0) }
.init.plt : { BYTE(0) }
.plt 0 : { BYTE(0) }
.init.plt 0 : { BYTE(0) }
}
#endif