b445472090
https://gcc.gnu.org/gcc-12/changes.html describes the changes of gcc 12.4 as follows: This is the list of problem reports (PRs) from GCC's bug tracking system that are known to be fixed in the 12.4 release. This list might not be complete (that is, it is possible that some PRs that have been fixed are not listed here). With a link to https://gcc.gnu.org/bugzilla/buglist.cgi?bug_status=RESOLVED&resolution=FIXED&target_milestone=12.4 There are 654 relevant commits (ignoring the "daily bumps") between gcc 12.3.0 and 12.4.0, which is too much to list exhaustively here. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Romain Naour <romain.naour@smile.fr>
106 lines
3.4 KiB
Diff
106 lines
3.4 KiB
Diff
From 38cdfcc4b2cca8d251ff8d8d34201dfe9849333e Mon Sep 17 00:00:00 2001
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From: Max Filippov <jcmvbkbc@gmail.com>
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Date: Thu, 2 Mar 2023 09:45:41 -0800
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Subject: [PATCH] xtensa: add .note.GNU-stack section on linux
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gcc/
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* config/xtensa/linux.h (TARGET_ASM_FILE_END): New macro.
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libgcc/
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* config/xtensa/crti.S: Add .note.GNU-stack section on linux.
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* config/xtensa/crtn.S: Likewise.
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* config/xtensa/lib1funcs.S: Likewise.
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* config/xtensa/lib2funcs.S: Likewise.
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Upstream: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=6360bf9a2d08f08c151464c77c0da53cd702ff25
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---
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gcc/config/xtensa/linux.h | 1 +
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libgcc/config/xtensa/crti.S | 6 ++++++
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libgcc/config/xtensa/crtn.S | 6 ++++++
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libgcc/config/xtensa/lib1funcs.S | 6 ++++++
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libgcc/config/xtensa/lib2funcs.S | 6 ++++++
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5 files changed, 25 insertions(+)
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diff --git a/gcc/config/xtensa/linux.h b/gcc/config/xtensa/linux.h
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index edce618fb94..fe0e3a43797 100644
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--- a/gcc/config/xtensa/linux.h
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+++ b/gcc/config/xtensa/linux.h
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@@ -69,3 +69,4 @@ along with GCC; see the file COPYING3. If not see
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#undef DBX_REGISTER_NUMBER
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+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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diff --git a/libgcc/config/xtensa/crti.S b/libgcc/config/xtensa/crti.S
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index 3de7bc101f4..0996e7cb29b 100644
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--- a/libgcc/config/xtensa/crti.S
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+++ b/libgcc/config/xtensa/crti.S
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@@ -26,6 +26,12 @@
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#include "xtensa-config.h"
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+/* An executable stack is *not* required for these functions. */
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+#if defined(__ELF__) && defined(__linux__)
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+.section .note.GNU-stack,"",%progbits
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+.previous
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+#endif
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+
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.section .init
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.globl _init
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.type _init,@function
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diff --git a/libgcc/config/xtensa/crtn.S b/libgcc/config/xtensa/crtn.S
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index 06b932edb14..a4cc9830096 100644
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--- a/libgcc/config/xtensa/crtn.S
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+++ b/libgcc/config/xtensa/crtn.S
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@@ -27,6 +27,12 @@
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#include "xtensa-config.h"
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+/* An executable stack is *not* required for these functions. */
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+#if defined(__ELF__) && defined(__linux__)
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+.section .note.GNU-stack,"",%progbits
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+.previous
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+#endif
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+
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.section .init
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#if XCHAL_HAVE_WINDOWED && !__XTENSA_CALL0_ABI__
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retw
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diff --git a/libgcc/config/xtensa/lib1funcs.S b/libgcc/config/xtensa/lib1funcs.S
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index 5a2bd20534f..7177dd4f73a 100644
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--- a/libgcc/config/xtensa/lib1funcs.S
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+++ b/libgcc/config/xtensa/lib1funcs.S
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@@ -25,6 +25,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#include "xtensa-config.h"
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+/* An executable stack is *not* required for these functions. */
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+#if defined(__ELF__) && defined(__linux__)
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+.section .note.GNU-stack,"",%progbits
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+.previous
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+#endif
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+
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/* Define macros for the ABS and ADDX* instructions to handle cases
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where they are not included in the Xtensa processor configuration. */
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diff --git a/libgcc/config/xtensa/lib2funcs.S b/libgcc/config/xtensa/lib2funcs.S
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index 681bac1be8c..a40c1a45604 100644
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--- a/libgcc/config/xtensa/lib2funcs.S
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+++ b/libgcc/config/xtensa/lib2funcs.S
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@@ -25,6 +25,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#include "xtensa-config.h"
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+/* An executable stack is *not* required for these functions. */
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+#if defined(__ELF__) && defined(__linux__)
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+.section .note.GNU-stack,"",%progbits
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+.previous
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+#endif
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+
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/* __xtensa_libgcc_window_spill: This function flushes out all but the
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current register window. This is used to set up the stack so that
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arbitrary frames can be accessed. */
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--
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2.39.2
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