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gcc: update to allow compiling different versions
This is based on the toolchain GCC, and aims to share as much of its Makefile and patches with that definition. The package requires two additional patches: (1) 003-dont-choke-when-building-32bit-on-64bit.patch, which fixes the `error: size of array 'test_real_width' is negative` error that occurs when building a 32-bit GCC on a 64-bit host. (Search the Internet for examples of this error appearing.) (2) 980-add-nostdinc++.patch, which backports a fix from 11.3.0 (11.2.0 only). Signed-off-by: W. Michael Petullo <mike@flyn.org>
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W. Michael Petullo
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Rosen Penev
Rosen Penev
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111
devel/gcc/patches/10.3.0/930-fix-mips-noexecstack.patch
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devel/gcc/patches/10.3.0/930-fix-mips-noexecstack.patch
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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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@@ -22881,6 +22881,9 @@ mips_asm_file_end (void)
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#define TARGET_ASM_FILE_END mips_asm_file_end
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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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@@ -24,6 +24,10 @@ see the files COPYING3 and COPYING.RUNTI
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/* An executable stack is *not* required for these functions. */
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#include "gnustack.h"
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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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@@ -24,6 +24,9 @@ see the files COPYING3 and COPYING.RUNTI
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/* An executable stack is *not* required for these functions. */
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#include "gnustack.h"
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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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@@ -51,6 +51,10 @@ 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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@@ -29,6 +29,10 @@ 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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