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x86: Fix call64's section flags

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When a section is not flagged with SHF_ALLOC, LLD's --gc-sections
algorithm fails to visit the sections that it references. As a result of
this, LLD was dropping the call64.o(.data) section, which is itself only
referenced by .text_call64.

This appears to be a bug in LLD, but the .section directive for
.text_call64 should really have the correct flags either way.

Add `"ax"` to mark the section as ALLOC ("supposed to be loaded") and
CODE ("supposed to be executed").

Fixes: 7dc82591d6 ("x86: Move call64 into its own section")
Signed-off-by: Sam Edwards <CFSworks@gmail.com>
This commit is contained in:
Sam Edwards
2025-03-15 15:18:05 -07:00
committed by Tom Rini
parent d5734b183c
commit 8c39dc549b
1 changed files with 1 additions and 1 deletions
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2
arch/x86/cpu/i386/call64.S
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@@ -10,7 +10,7 @@
#include <asm/processor-flags.h> #include <asm/processor-flags.h>
.code32 .code32
.section .text_call64 .section .text_call64, "ax"
.globl cpu_call64 .globl cpu_call64
cpu_call64: cpu_call64:
/* /*