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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug debug/98776] DW_AT_low_pc is inconsistent with function entry
 address, when enabling -fpatchable-function-entry
Date: Thu, 15 Dec 2022 15:08:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98776

--- Comment #12 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Sebastian Pop
<spop@gcc.gnu.org>:

https://gcc.gnu.org/g:59bba6f9dc6dcfefe96e6fad677614f39928564e

commit r10-11122-g59bba6f9dc6dcfefe96e6fad677614f39928564e
Author: Sebastian Pop <spop@amazon.com>
Date:   Wed Nov 30 19:45:24 2022 +0000

    AArch64: Add UNSPECV_PATCHABLE_AREA [PR98776]

    Currently patchable area is at the wrong place on AArch64.  It is placed
    immediately after function label, before .cfi_startproc.  This patch
    adds UNSPECV_PATCHABLE_AREA for pseudo patchable area instruction and
    modifies aarch64_print_patchable_function_entry to avoid placing
    patchable area before .cfi_startproc.

    gcc/
            PR target/98776
            * config/aarch64/aarch64-protos.h (aarch64_output_patchable_are=
a):
            Declared.
            * config/aarch64/aarch64.c
(aarch64_print_patchable_function_entry):
            Emit an UNSPECV_PATCHABLE_AREA pseudo instruction.
            (aarch64_output_patchable_area): New.
            * config/aarch64/aarch64.md (UNSPECV_PATCHABLE_AREA): New.
            (patchable_area): Define.

    gcc/testsuite/
            PR target/98776
            * gcc.target/aarch64/pr98776.c: New.
            * gcc.target/aarch64/pr92424-2.c: Adjust pattern.
            * gcc.target/aarch64/pr92424-3.c: Adjust pattern.=