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-rw-r--r--bfd/ChangeLog8
-rw-r--r--bfd/coff-x86_64.c32
-rw-r--r--bfd/reloc.c26
3 files changed, 25 insertions, 41 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7379e7b..bc1a530 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,11 @@
+2021-03-05 Alan Modra <amodra@gmail.com>
+
+ * reloc.c (bfd_perform_relocation): Revert 2021-01-12 and
+ 2020-09-16 changes.
+ * coff-x86_64.c (coff_amd64_reloc): Do more or less the same
+ adjustments here instead. Separate pc-relative adjustments
+ from symbol related adjustments. Tidy comments and formatting.
+
2021-03-04 Jan Beulich <jbeulich@suse.com>
* coffcode.h (sec_to_styp_flags): Don't set IMAGE_SCN_LNK_* in
diff --git a/bfd/coff-x86_64.c b/bfd/coff-x86_64.c
index adab60c..5b09023 100644
--- a/bfd/coff-x86_64.c
+++ b/bfd/coff-x86_64.c
@@ -75,14 +75,14 @@ coff_amd64_reloc (bfd *abfd,
{
symvalue diff;
-#if !defined(COFF_WITH_PE)
+#if !defined (COFF_WITH_PE)
if (output_bfd == NULL)
return bfd_reloc_continue;
#endif
if (bfd_is_com_section (symbol->section))
{
-#if !defined(COFF_WITH_PE)
+#if !defined (COFF_WITH_PE)
/* We are relocating a common symbol. The current value in the
object file is ORIG + OFFSET, where ORIG is the value of the
common symbol as seen by the object file when it was compiled
@@ -106,21 +106,10 @@ coff_amd64_reloc (bfd *abfd,
ignores the addend for a COFF target when producing
relocatable output. This seems to be always wrong for 386
COFF, so we handle the addend here instead. */
-#if defined(COFF_WITH_PE)
+#if defined (COFF_WITH_PE)
if (output_bfd == NULL)
{
- reloc_howto_type *howto = reloc_entry->howto;
-
- /* Although PC relative relocations are very similar between
- PE and non-PE formats, but they are off by 1 << howto->size
- bytes. For the external relocation, PE is very different
- from others. See md_apply_fix3 () in gas/config/tc-amd64.c.
- When we link PE and non-PE object files together to
- generate a non-PE executable, we have to compensate it
- here. */
- if(howto->pc_relative && howto->pcrel_offset)
- diff = -(1 << howto->size);
- else if(symbol->flags & BSF_WEAK)
+ if (symbol->flags & BSF_WEAK)
diff = reloc_entry->addend - symbol->value;
else
diff = -reloc_entry->addend;
@@ -130,7 +119,18 @@ coff_amd64_reloc (bfd *abfd,
diff = reloc_entry->addend;
}
-#if defined(COFF_WITH_PE)
+#if defined (COFF_WITH_PE)
+ if (output_bfd == NULL)
+ {
+ /* PC relative relocations are off by their size. */
+ if (reloc_entry->howto->pc_relative)
+ diff -= bfd_get_reloc_size (reloc_entry->howto);
+
+ if (reloc_entry->howto->type >= R_AMD64_PCRLONG_1
+ && reloc_entry->howto->type <= R_AMD64_PCRLONG_5)
+ diff -= reloc_entry->howto->type - R_AMD64_PCRLONG;
+ }
+
/* FIXME: How should this case be handled? */
if (reloc_entry->howto->type == R_AMD64_IMAGEBASE
&& output_bfd != NULL
diff --git a/bfd/reloc.c b/bfd/reloc.c
index a754718..5ed7bb8 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -51,7 +51,7 @@ SECTION
#include "bfdlink.h"
#include "libbfd.h"
#include "bfdver.h"
-#include "coff/x86_64.h"
+
/*
DOCDD
INODE
@@ -905,30 +905,6 @@ space consuming. For each target:
}
}
}
- else if (abfd->xvec->flavour == bfd_target_coff_flavour
- && (input_section->output_section->owner->xvec->flavour
- == bfd_target_elf_flavour)
- && strcmp (abfd->xvec->name, "pe-x86-64") == 0
- && strcmp (input_section->output_section->owner->xvec->name,
- "elf64-x86-64") == 0)
- {
- /* NB: bfd_perform_relocation isn't called to generate PE binary.
- _bfd_relocate_contents is called instead. When linking PE
- object files to generate ELF output, _bfd_relocate_contents
- isn't called and bfd_perform_relocation is used. We need to
- adjust relocation here. */
- relocation -= reloc_entry->addend;
- if (howto->type >= R_AMD64_PCRLONG_1
- && howto->type <= R_AMD64_PCRLONG_5)
- relocation -= (bfd_vma)(howto->type - R_AMD64_PCRLONG);
- else if (howto->type == R_AMD64_DIR64
- || howto->type == R_AMD64_DIR32)
- {
- bfd_vma val = read_reloc (abfd, (bfd_byte *) data + octets,
- howto);
- relocation -= val & howto->src_mask;
- }
- }
/* FIXME: This overflow checking is incomplete, because the value
might have overflowed before we get here. For a correct check we