de13ce57a0
bugzilla link: https://sourceware.org/bugzilla/show_bug.cgi?id=26791 Fix bug 26853: aarch64: Add unwind information to _start bugzilla link: https://sourceware.org/bugzilla/show_bug.cgi?id=26853
42 lines
927 B
Diff
42 lines
927 B
Diff
From 5edf3d9fd6efe06fda37b2a460e60690a90457a4 Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Mon, 9 Nov 2020 11:31:04 +0100
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Subject: [PATCH] aarch64: Add unwind information to _start (bug 26853)
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This adds CFI directives which communicate that the stack ends
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with this function.
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Fixes bug 26853.
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---
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sysdeps/aarch64/start.S | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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diff --git a/sysdeps/aarch64/start.S b/sysdeps/aarch64/start.S
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index bad000f5..5360689c 100644
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--- a/sysdeps/aarch64/start.S
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+++ b/sysdeps/aarch64/start.S
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@@ -43,10 +43,9 @@
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*/
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.text
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- .globl _start
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- .type _start,#function
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-_start:
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+ENTRY(_start)
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/* Create an initial frame with 0 LR and FP */
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+ cfi_undefined(x30)
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mov x29, #0
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mov x30, #0
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@@ -102,6 +101,7 @@ _start:
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__wrap_main:
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b main
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#endif
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+END(_start)
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/* Define a symbol for the first piece of initialized data. */
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.data
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--
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2.23.0
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