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Accepting request 1113839 from home:Andreas_Schwab:Factory

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- riscv-relro.patch: RISC-V: Protect .got with relro

OBS-URL: https://build.opensuse.org/request/show/1113839
OBS-URL: https://build.opensuse.org/package/show/devel:gcc/binutils?expand=0&rev=455
This commit is contained in:
Michael Matz 2023-09-27 13:28:24 +00:00 committed by Git OBS Bridge
parent 893acf05ad
commit b848c43c43
3 changed files with 64 additions and 0 deletions
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5
binutils.changes
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@ -1,3 +1,8 @@
-------------------------------------------------------------------
Mon Sep 25 11:12:43 UTC 2023 - Andreas Schwab <schwab@suse.de>
- riscv-relro.patch: RISC-V: Protect .got with relro
-------------------------------------------------------------------
Thu Sep 14 12:27:48 UTC 2023 - Michael Matz <matz@suse.com>

2
binutils.spec
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@ -154,6 +154,7 @@ Patch42: binutils-compat-old-behaviour.diff
Patch43: binutils-revert-hlasm-insns.diff
Patch44: binutils-revert-rela.diff
Patch45: binutils-old-makeinfo.diff
Patch46: riscv-relro.patch
Patch100: add-ulp-section.diff
Patch90: cross-avr-nesc-as.patch
Patch92: cross-avr-omit_section_dynsym.patch
@ -283,6 +284,7 @@ cp ld/ldgram.y ld/ldgram.y.orig
%if %{suse_version} < 1500
%patch45 -p1
%endif
%patch46 -p1
%patch100 -p1
%if "%{TARGET}" == "avr"
cp gas/config/tc-avr.h gas/config/tc-avr-nesc.h

57
riscv-relro.patch Normal file
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@ -0,0 +1,57 @@
From 7345d05aafde53a48d5a587a6d9c1778db78e0f3 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Thu, 21 Sep 2023 16:49:41 +0200
Subject: [PATCH] RISC-V: Protect .got with relro
Move .got before .data so that it can be protected with -zrelro. Also
separate .got.plt from .got if -znow is not in effect; the first two words
of .got.plt are placed within the relro region.
ld:
PR ld/30877
* emulparams/elf32lriscv-defs.sh (DATA_GOT, SEPARATE_GOTPLT):
Define.
* emulparams/elf64lriscv-defs.sh (SEPARATE_GOTPLT): Define.
* testsuite/ld-elf/binutils.exp (binutils_test): Remove riscv*-*-*
from relro_got expression.
---
ld/emulparams/elf32lriscv-defs.sh | 4 ++++
ld/emulparams/elf64lriscv-defs.sh | 1 +
ld/testsuite/ld-elf/binutils.exp | 1 -
3 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/ld/emulparams/elf32lriscv-defs.sh b/ld/emulparams/elf32lriscv-defs.sh
index b823cedacab..016556168c3 100644
--- a/ld/emulparams/elf32lriscv-defs.sh
+++ b/ld/emulparams/elf32lriscv-defs.sh
@@ -47,3 +47,7 @@ INITIAL_READONLY_SECTIONS="${RELOCATING+${CREATE_SHLIB-${INITIAL_READONLY_SECTIO
OTHER_END_SYMBOLS="${CREATE_SHLIB-__BSS_END__ = .;
__global_pointer$ = MIN(__SDATA_BEGIN__ + 0x800,
MAX(__DATA_BEGIN__ + 0x800, __BSS_END__ - 0x800));}"
+
+# Put .got before .data
+DATA_GOT=" "
+SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 8 ? 8 : 0"
diff --git a/ld/emulparams/elf64lriscv-defs.sh b/ld/emulparams/elf64lriscv-defs.sh
index 84a700a5f58..ca15338428f 100644
--- a/ld/emulparams/elf64lriscv-defs.sh
+++ b/ld/emulparams/elf64lriscv-defs.sh
@@ -1,2 +1,3 @@
source_sh ${srcdir}/emulparams/elf32lriscv-defs.sh
ELFSIZE=64
+SEPARATE_GOTPLT="SIZEOF (.got.plt) >= 16 ? 16 : 0"
diff --git a/ld/testsuite/ld-elf/binutils.exp b/ld/testsuite/ld-elf/binutils.exp
index 674e8e9a575..b38e29ed6fb 100644
--- a/ld/testsuite/ld-elf/binutils.exp
+++ b/ld/testsuite/ld-elf/binutils.exp
@@ -95,7 +95,6 @@ proc binutils_test { prog_name ld_options test {test_name ""} {readelf_options "
|| [istarget "mips*-*-*"] \
|| [istarget "nios2*-*-*"] \
|| [istarget "or1k-*-*"] \
- || [istarget "riscv*-*-*"] \
|| [istarget "sh*-*-*"] \
|| [istarget "x86_64-*-rdos*"])]
# Check if GNU_RELRO segment is generated.
--
2.42.0