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From 927ef228dfedf229dc915b273a308ab2c7bf9e19 Mon Sep 17 00:00:00 2001
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
Date: Mon, 28 Aug 2017 19:53:55 -0700
Subject: [PATCH] Fix relaxation of assembler resolved references
03/2018
Rebased for binutils 2.30
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandr@xilinx.com>
Upstream-Status: Pending
---
bfd/elf32-microblaze.c | 39 +++++++++++++++++++++++++++++++++++++++
gas/config/tc-microblaze.c | 1 +
2 files changed, 40 insertions(+)
diff --git a/bfd/elf32-microblaze.c b/bfd/elf32-microblaze.c
index f1808bc..a1d810c 100644
--- a/bfd/elf32-microblaze.c
+++ b/bfd/elf32-microblaze.c
@@ -1887,6 +1887,45 @@ microblaze_elf_relax_section (bfd *abfd,
irelscanend = irelocs + o->reloc_count;
for (irelscan = irelocs; irelscan < irelscanend; irelscan++)
{
+ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_NONE)
+ {
+ unsigned int val;
+
+ isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
+
+ /* This was a PC-relative instruction that was completely resolved. */
+ if (ocontents == NULL)
+ {
+ if (elf_section_data (o)->this_hdr.contents != NULL)
+ ocontents = elf_section_data (o)->this_hdr.contents;
+ else
+ {
+ /* We always cache the section contents.
+ Perhaps, if info->keep_memory is FALSE, we
+ should free them, if we are permitted to. */
+
+ if (o->rawsize == 0)
+ o->rawsize = o->size;
+ ocontents = (bfd_byte *) bfd_malloc (o->rawsize);
+ if (ocontents == NULL)
+ goto error_return;
+ if (!bfd_get_section_contents (abfd, o, ocontents,
+ (file_ptr) 0,
+ o->rawsize))
+ goto error_return;
+ elf_section_data (o)->this_hdr.contents = ocontents;
+ }
+ }
+
+ irelscan->r_addend -= calc_fixup (irelscan->r_addend
+ + isym->st_value, sec);
+ val = bfd_get_32 (abfd, ocontents + irelscan->r_offset);
+ microblaze_bfd_write_imm_value_32 (abfd, ocontents + irelscan->r_offset,
+ irelscan->r_addend);
+ }
+ if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_64_NONE) {
+ fprintf(stderr, "Unhandled NONE 64\n");
+ }
if (ELF32_R_TYPE (irelscan->r_info) == (int) R_MICROBLAZE_32)
{
isym = isymbuf + ELF32_R_SYM (irelscan->r_info);
diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c
index 42dd7ae..50dbfc7 100644
--- a/gas/config/tc-microblaze.c
+++ b/gas/config/tc-microblaze.c
@@ -2183,6 +2183,7 @@ md_apply_fix (fixS * fixP,
else
fixP->fx_r_type = BFD_RELOC_NONE;
fixP->fx_addsy = section_symbol (absolute_section);
+ fixP->fx_done = 0;
}
return;
}
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