7f169fe85e
Fixes Buildroot generated toolchains: http://autobuild.buildroot.net/results/89b/89b46f97e2736d9337f888c761259e7bc7cdd128 Upstream bug: https://sourceware.org/bugzilla/show_bug.cgi?id=19405 Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
71 lines
2.3 KiB
Diff
71 lines
2.3 KiB
Diff
From d07f38875f37f4608e8ecb761619d84716896f14 Mon Sep 17 00:00:00 2001
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From: Nick Clifton <nickc@redhat.com>
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Date: Wed, 10 Feb 2016 11:25:59 +0000
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Subject: [PATCH] Correct assertion in NIOS2 linker to allow signed 16-buit
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immediate values.
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PR 19405
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* elf32-nios2.c (nios2_elf32_install_imm16): Allow for signed
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immediate values.
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* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Limit the
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number of messages about FDE encoding preventing .eh_frame_hdr
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generation.
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[Romain: rebase on 2.25.1]
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Signed-off-by: Romain Naour <romain.naour@gmail.com>
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---
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bfd/elf-eh-frame.c | 18 +++++++++++++++---
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bfd/elf32-nios2.c | 2 +-
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2 files changed, 16 insertions(+), 4 deletions(-)
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diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c
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index 002932d..22430f9 100644
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--- a/bfd/elf-eh-frame.c
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+++ b/bfd/elf-eh-frame.c
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@@ -1181,14 +1181,26 @@ _bfd_elf_discard_section_eh_frame
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&& ent->make_relative == 0)
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|| (ent->fde_encoding & 0x70) == DW_EH_PE_aligned))
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{
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+ static int num_warnings_issued = 0;
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+
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/* If a shared library uses absolute pointers
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which we cannot turn into PC relative,
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don't create the binary search table,
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since it is affected by runtime relocations. */
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hdr_info->table = FALSE;
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- (*info->callbacks->einfo)
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- (_("%P: FDE encoding in %B(%A) prevents .eh_frame_hdr"
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- " table being created.\n"), abfd, sec);
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+ if (num_warnings_issued < 10)
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+ {
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+ (*info->callbacks->einfo)
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+ (_("%P: FDE encoding in %B(%A) prevents .eh_frame_hdr"
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+ " table being created.\n"), abfd, sec);
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+ num_warnings_issued ++;
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+ }
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+ else if (num_warnings_issued == 10)
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+ {
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+ (*info->callbacks->einfo)
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+ (_("%P: Further warnings about FDE encoding preventing .eh_frame_hdr generation dropped.\n"));
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+ num_warnings_issued ++;
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+ }
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}
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ent->removed = 0;
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hdr_info->fde_count++;
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diff --git a/bfd/elf32-nios2.c b/bfd/elf32-nios2.c
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index 0105b70..726647d 100644
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--- a/bfd/elf32-nios2.c
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+++ b/bfd/elf32-nios2.c
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@@ -1035,7 +1035,7 @@ nios2_elf32_install_imm16 (asection *sec, bfd_vma offset, bfd_vma value)
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{
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bfd_vma word = bfd_get_32 (sec->owner, sec->contents + offset);
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- BFD_ASSERT(value <= 0xffff);
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+ BFD_ASSERT (value <= 0xffff || ((bfd_signed_vma) value) >= -0xffff);
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bfd_put_32 (sec->owner, word | ((value & 0xffff) << 6),
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sec->contents + offset);
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--
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2.4.3
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