diff --git a/binutils-ppc-gas-machine-directive.patch b/binutils-ppc-gas-machine-directive.patch new file mode 100644 index 0000000..4211d39 --- /dev/null +++ b/binutils-ppc-gas-machine-directive.patch @@ -0,0 +1,52 @@ +From cebc89b9328eab994f6b0314c263f94e7949a553 Mon Sep 17 00:00:00 2001 +From: Alan Modra +Date: Mon, 21 Feb 2022 10:58:57 +1030 +Subject: [PATCH] binutils 2.38 vs. ppc32 linux kernel + +Commit b25f942e18d6 made .machine more strict. Weaken it again. + + * config/tc-ppc.c (ppc_machine): Treat an early .machine specially, + keeping sticky options to work around gcc bugs. +--- + gas/config/tc-ppc.c | 25 ++++++++++++++++++++++++- + 1 file changed, 24 insertions(+), 1 deletion(-) + +diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c +index 054f9c72161..89bc7d3f9b9 100644 +--- a/gas/config/tc-ppc.c ++++ b/gas/config/tc-ppc.c +@@ -5965,7 +5965,30 @@ ppc_machine (int ignore ATTRIBUTE_UNUSED) + options do not count as a new machine, instead they add + to currently selected opcodes. */ + ppc_cpu_t machine_sticky = 0; +- new_cpu = ppc_parse_cpu (ppc_cpu, &machine_sticky, cpu_string); ++ /* Unfortunately, some versions of gcc emit a .machine ++ directive very near the start of the compiler's assembly ++ output file. This is bad because it overrides user -Wa ++ cpu selection. Worse, there are versions of gcc that ++ emit the *wrong* cpu, not even respecting the -mcpu given ++ to gcc. See gcc pr101393. And to compound the problem, ++ as of 20220222 gcc doesn't pass the correct cpu option to ++ gas on the command line. See gcc pr59828. Hack around ++ this by keeping sticky options for an early .machine. */ ++ asection *sec; ++ for (sec = stdoutput->sections; sec != NULL; sec = sec->next) ++ { ++ segment_info_type *info = seg_info (sec); ++ /* Are the frags for this section perturbed from their ++ initial state? Even .align will count here. */ ++ if (info != NULL ++ && (info->frchainP->frch_root != info->frchainP->frch_last ++ || info->frchainP->frch_root->fr_type != rs_fill ++ || info->frchainP->frch_root->fr_fix != 0)) ++ break; ++ } ++ new_cpu = ppc_parse_cpu (ppc_cpu, ++ sec == NULL ? &sticky : &machine_sticky, ++ cpu_string); + if (new_cpu != 0) + ppc_cpu = new_cpu; + else +-- +2.37.1 + diff --git a/binutils.spec b/binutils.spec index 652647a..c51b1a9 100644 --- a/binutils.spec +++ b/binutils.spec @@ -39,7 +39,7 @@ Summary: A GNU collection of binary utilities Name: binutils%{?name_cross}%{?_with_debug:-debug} Version: 2.38 -Release: 20%{?dist} +Release: 21%{?dist} License: GPLv3+ URL: https://sourceware.org/binutils @@ -326,6 +326,10 @@ Patch27: binutils-update-linker-manual.patch # Lifetime: Fixed in 2.39 Patch28: binutils-ppc64-DT_RELR-relocs.patch +# Purpose: Tweak the PowerPC assembler's handling of the .machine directive +# Lifetime: Fixed in 2.39 +Patch29: binutils-ppc-gas-machine-directive.patch + #---------------------------------------------------------------------------- Provides: bundled(libiberty) @@ -940,6 +944,9 @@ exit 0 #---------------------------------------------------------------------------- %changelog +* Tue Jul 26 2022 Nick Clifton - 2.38-21 +- Tweak the PowerPC assembler's handling of the .machine directive. (#2111082) + * Tue Jul 26 2022 Amit Shah - 2.38-20 - Check and enable 64-bit bfd on aarch64 and riscv64.