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40aec89b4c
Update GCC to 8.3.0 Refresh patches Allow GCC to be used for ARC Source: https://github.com/openwrt/openwrt/pull/1803#issuecomment-462334890 Signed-off-by: Daniel Engberg <daniel.engberg.lists@pyret.net>
112 lines
3.7 KiB
Diff
112 lines
3.7 KiB
Diff
From da45b3fde60095756f5f6030f6012c23a3d34429 Mon Sep 17 00:00:00 2001
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From: Andrew McDonnell <bugs@andrewmcdonnell.net>
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Date: Fri, 3 Oct 2014 19:09:00 +0930
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Subject: Add .note.GNU-stack section
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See http://lists.busybox.net/pipermail/uclibc/2014-October/048671.html
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Below copied from https://gcc.gnu.org/ml/gcc-patches/2014-09/msg02430.html
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Re: [Patch, MIPS] Add .note.GNU-stack section
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From: Steve Ellcey <sellcey at mips dot com>
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On Wed, 2014-09-10 at 10:15 -0700, Eric Christopher wrote:
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>
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>
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> On Wed, Sep 10, 2014 at 9:27 AM, <pinskia@gmail.com> wrote:
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> This works except you did not update the assembly files in
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> libgcc or glibc. We (Cavium) have the same patch in our tree
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> for a few released versions.
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> Mind just checking yours in then Andrew?
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> Thanks!
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> -eric
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I talked to Andrew about what files he changed in GCC and created and
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tested this new patch. Andrew also mentioned changing some assembly
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files in glibc but I don't see any use of '.section .note.GNU-stack' in
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any assembly files in glibc (for any platform) so I wasn't planning on
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creating a glibc to add them to mips glibc assembly language files.
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OK to check in this patch?
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Steve Ellcey
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sellcey@mips.com
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2014-09-26 Steve Ellcey <sellcey@mips.com>
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---
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gcc/config/mips/mips.c | 3 +++
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libgcc/config/mips/crti.S | 4 ++++
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libgcc/config/mips/crtn.S | 3 +++
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libgcc/config/mips/mips16.S | 4 ++++
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libgcc/config/mips/vr4120-div.S | 4 ++++
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5 files changed, 18 insertions(+)
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--- a/gcc/config/mips/mips.c
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+++ b/gcc/config/mips/mips.c
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@@ -22627,6 +22627,9 @@ mips_starting_frame_offset (void)
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#undef TARGET_STARTING_FRAME_OFFSET
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#define TARGET_STARTING_FRAME_OFFSET mips_starting_frame_offset
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+#undef TARGET_ASM_FILE_END
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+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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+
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struct gcc_target targetm = TARGET_INITIALIZER;
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#include "gt-mips.h"
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--- a/libgcc/config/mips/crti.S
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+++ b/libgcc/config/mips/crti.S
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@@ -21,6 +21,10 @@ a copy of the GCC Runtime Library Except
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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+
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+/* An executable stack is *not* required for these functions. */
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+ .section .note.GNU-stack,"",%progbits
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+
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/* 4 slots for argument spill area. 1 for cpreturn, 1 for stack.
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Return spill offset of 40 and 20. Aligned to 16 bytes for n32. */
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--- a/libgcc/config/mips/crtn.S
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+++ b/libgcc/config/mips/crtn.S
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@@ -21,6 +21,9 @@ a copy of the GCC Runtime Library Except
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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+/* An executable stack is *not* required for these functions. */
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+ .section .note.GNU-stack,"",%progbits
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+
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/* 4 slots for argument spill area. 1 for cpreturn, 1 for stack.
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Return spill offset of 40 and 20. Aligned to 16 bytes for n32. */
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--- a/libgcc/config/mips/mips16.S
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+++ b/libgcc/config/mips/mips16.S
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@@ -48,6 +48,10 @@ see the files COPYING3 and COPYING.RUNTI
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values using the soft-float calling convention, but do the actual
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operation using the hard floating point instructions. */
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+/* An executable stack is *not* required for these functions. */
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+ .section .note.GNU-stack,"",%progbits
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+ .previous
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+
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#if defined _MIPS_SIM && (_MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIO64)
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/* This file contains 32-bit assembly code. */
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--- a/libgcc/config/mips/vr4120-div.S
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+++ b/libgcc/config/mips/vr4120-div.S
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@@ -26,6 +26,10 @@ see the files COPYING3 and COPYING.RUNTI
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-mfix-vr4120. div and ddiv do not give the correct result when one
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of the operands is negative. */
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+/* An executable stack is *not* required for these functions. */
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+ .section .note.GNU-stack,"",%progbits
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+ .previous
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+
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.set nomips16
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#define DIV \
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