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Backport R_RISCV_CALL_PLT reloc patch for riscv64

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Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>
This commit is contained in:
David Abdurachmanov 2023-08-30 17:17:38 +03:00
parent 6d1f9f4a80
commit f91c3afb4b
Signed by: davidlt
GPG Key ID: 8B7F1DA0E2C9FDBB
3 changed files with 61 additions and 1 deletions
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56
0001-RISC-V-Handle-R_RISCV_CALL_PLT-reloc.patch Normal file
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@ -0,0 +1,56 @@
From 403d6540cd608b2706cfa0cb4713f7e4b490ff45 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Thu, 23 Feb 2023 13:15:08 -0800
Subject: [PATCH] RISC-V: Handle R_RISCV_CALL_PLT reloc
GNU assembler starting 2.40 release always generates R_RISCV_CALL_PLT
reloc for call in assembler [1], similarly LLVM does not make
distinction between R_RISCV_CALL_PLT and R_RISCV_CALL [2].
Fixes "grub-mkimage: error: relocation 0x13 is not implemented yet.".
[1] https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=70f35d72ef04cd23771875c1661c9975044a749c
[2] https://reviews.llvm.org/D132530
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
---
grub-core/kern/riscv/dl.c | 1 +
util/grub-mkimagexx.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/grub-core/kern/riscv/dl.c b/grub-core/kern/riscv/dl.c
index f26b12aaa..896653bb4 100644
--- a/grub-core/kern/riscv/dl.c
+++ b/grub-core/kern/riscv/dl.c
@@ -188,6 +188,7 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
break;
case R_RISCV_CALL:
+ case R_RISCV_CALL_PLT:
{
grub_uint32_t *abs_place = place;
grub_ssize_t off = sym_addr - (grub_addr_t) place;
diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c
index a1927e786..c5fb336e9 100644
--- a/util/grub-mkimagexx.c
+++ b/util/grub-mkimagexx.c
@@ -1294,6 +1294,7 @@ SUFFIX (relocate_addrs) (Elf_Ehdr *e, struct section_metadata *smd,
}
break;
case R_RISCV_CALL:
+ case R_RISCV_CALL_PLT:
{
grub_uint32_t hi20, lo12;
@@ -1726,6 +1727,7 @@ translate_relocation_pe (struct translate_context *ctx,
case R_RISCV_BRANCH:
case R_RISCV_JAL:
case R_RISCV_CALL:
+ case R_RISCV_CALL_PLT:
case R_RISCV_PCREL_HI20:
case R_RISCV_PCREL_LO12_I:
case R_RISCV_PCREL_LO12_S:
--
2.41.0

1
grub.patches
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@ -332,3 +332,4 @@ Patch0331: 0331-grub_dl_load_segments-page-align-the-tramp-GOT-areas.patch
Patch0332: 0332-emu-Add-switch-root-to-grub-emu.patch
Patch0333: 0333-util-Enable-default-kernel-for-updates.patch
Patch0334: 0334-efi-http-change-uint32_t-to-uintn_t.patch
Patch0335: 0001-RISC-V-Handle-R_RISCV_CALL_PLT-reloc.patch

5
grub2.spec
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@ -17,7 +17,7 @@
Name: grub2
Epoch: 1
Version: 2.06
Release: 97%{?dist}
Release: 97.0.riscv64%{?dist}
Summary: Bootloader with support for Linux, Multiboot and more
License: GPLv3+
URL: http://www.gnu.org/software/grub/
@ -544,6 +544,9 @@ mv ${EFI_HOME}/grub.cfg.stb ${EFI_HOME}/grub.cfg
%endif
%changelog
* Wed Aug 30 2023 David Abdurachmanov <davidlt@rivosinc.com> - 2.06-97.0.riscv64
- Backport riscv64 R_RISCV_CALL_PLT reloc patch
* Tue Aug 22 2023 Nicolas Frayer <nfrayer@redhat.com> - 2.06-97
- efi/http: change uint32_t to uintn_t