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arc: Fix alignment of the TLS Translation Control Block (from upstream) #9

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arc: Fix alignment of the TLS Translation Control Block (from upstream) #9

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20 changes: 16 additions & 4 deletions bfd/elfnn-arc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1291,10 +1291,8 @@ arc_special_overflow_checks (const struct arc_relocation_data reloc_data,
(bfd_signed_vma) (reloc_data.sym_section->output_section->vma)
#define JLI (bfd_signed_vma) (reloc_data.sym_section->output_section->vma)
#define _SDA_BASE_ (bfd_signed_vma) (reloc_data.sdata_begin_symbol_vma)
#define TLS_REL (bfd_signed_vma) \
((elf_hash_table (info))->tls_sec->output_section->vma)
#define TLS_TBSS (align_power(TCB_SIZE, \
reloc_data.sym_section->alignment_power))
#define TLS_REL (bfd_signed_vma)(tls_sec->output_section->vma)
#define TLS_TBSS (align_power (TCB_SIZE, tls_sec->alignment_power))
#define ICARRY insn
#define DEREFP (insn)

Expand Down Expand Up @@ -1375,6 +1373,7 @@ arc_do_relocation (bfd_byte * contents,
bfd * abfd = reloc_data.input_section->owner;
struct elf_link_hash_table *htab ATTRIBUTE_UNUSED = elf_hash_table (info);
bfd_reloc_status_type flag;
asection *tls_sec = htab->tls_sec;

if (!reloc_data.should_relocate)
return bfd_reloc_ok;
Expand Down Expand Up @@ -1409,6 +1408,19 @@ arc_do_relocation (bfd_byte * contents,

orig_insn = insn;

/* If we resolve a TLS relocation, make sure we do have a valid TLS
section. */
switch (reloc_data.howto->type)
{
case R_ARC_TLS_LE_32:
if (tls_sec == NULL)
return bfd_reloc_notsupported;
break;

default:
break;
}

switch (reloc_data.howto->type)
{
#include "elf/arc-reloc.def"
Expand Down