Changeset 4ac095c7 for chapter05

Timestamp:

02/06/2024 09:28:15 PM (8 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

xry111/loongarch, xry111/loongarch-12.1, xry111/loongarch-12.2

Children:

ec36fac

Parents:

2a71a83

git-author:

Xi Ruoyao <xry111@…> (02/06/2024 09:26:00 PM)

git-committer:

Xi Ruoyao <xry111@…> (02/06/2024 09:28:15 PM)

Message:

loongarch: gcc: Apply an upstream change to prevent the linker from generating illegal instructions

I've proposed a backport of the change to GCC 13.3 but no response yet.
But even if the proposal is rejected I'd still have no choice but
backporting downstream. So just do it.

File:

• chapter05/gcc-pass1.xml (modified) (1 diff)

chapter05/gcc-pass1.xml

@@ -43 +43 @@
   <sect2 role="installation">
     <title>Installation of Cross GCC</title>
+
+    <!-- https://gcc.gnu.org/r14-4674 -->
+    <para>At first, fix an issue producing illegal instructions in linked
+    executables and shared libraries with GCC &gcc-version; and
+    Binutils-2.42:</para>
+
+    <screen><userinput remap='pre'>sed -e '/ASM_OUTPUT_ALIGN_WITH_NOP/,+1d' \
+    -i gcc/config/loongarch/loongarch.h</userinput></screen>
 
     <para>GCC requires the GMP, MPFR and MPC packages. As these packages may