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[ARC] General fixes.

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bfd/
2016-02-29  Cupertino Miranda <Cupertino.Miranda@synopsys.com>

	* elf32-arc.c (arc_elf_final_write_processing): Add condition to
	the flag change.
        (elf_arc_relocate_section): Fixes and conditions to support PIE.
	Assert for code sections dynamic relocs.

gas/
2016-02-29  Claudiu Zissulescu  <Claudiu.Zissulescu@synopsys.com>

	* config/tc-arc.c: Enable code density instructions for ARC EM.

ld/
2016-02-29  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>

	* scripttempl/arclinux.sc: Force .tdata and .tbss to always be
	generated.
This commit is contained in:
Claudiu Zissulescu 2016-02-29 16:07:48 +01:00
parent 63aef214ab
commit 7e4588997e
6 changed files with 41 additions and 9 deletions
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7
bfd/ChangeLog
View file

@ -1,3 +1,10 @@
2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
* elf32-arc.c (arc_elf_final_write_processing): Add condition to
the flag change.
(elf_arc_relocate_section): Fixes and conditions to support PIE.
Assert for code sections dynamic relocs.
2016-02-26 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (elfNN_aarch64_howto_table): Fix signed overflow

28
bfd/elf32-arc.c
View file

@ -688,10 +688,11 @@ arc_elf_final_write_processing (bfd * abfd,
default:
abort ();
}
if ((elf_elfheader (abfd)->e_flags & EF_ARC_MACH) == EF_ARC_CPU_GENERIC)
elf_elfheader (abfd)->e_flags |= val;
elf_elfheader (abfd)->e_flags &= ~EF_ARC_MACH;
elf_elfheader (abfd)->e_flags |= val;
elf_elfheader (abfd)->e_machine = emf;
/* Record whatever is the current syscall ABI version. */
elf_elfheader (abfd)->e_flags |= E_ARC_OSABI_CURRENT;
}
@ -1319,14 +1320,24 @@ elf_arc_relocate_section (bfd * output_bfd,
}
else if (is_reloc_for_PLT (howto))
{
/* Fail if it is linking for PIE and the symbol is
undefined. */
if (bfd_link_executable (info)
&& !(*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
rel->r_offset, TRUE))
{
return FALSE;
}
reloc_data.sym_value = h->plt.offset;
reloc_data.sym_section = htab->splt;
reloc_data.should_relocate = TRUE;
}
else if (!(*info->callbacks->undefined_symbol)
else if (!bfd_link_pic (info)
&& !(*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd, input_section,
rel->r_offset,!bfd_link_pic (info)))
rel->r_offset, TRUE))
{
return FALSE;
}
@ -1443,7 +1454,7 @@ elf_arc_relocate_section (bfd * output_bfd,
case R_ARC_32_ME:
case R_ARC_PC32:
case R_ARC_32_PCREL:
if (bfd_link_pic (info)
if (bfd_link_pic (info) && !bfd_link_pie (info)
&& ((r_type != R_ARC_PC32 && r_type != R_ARC_32_PCREL)
|| (h != NULL
&& h->dynindx != -1
@ -1509,6 +1520,11 @@ elf_arc_relocate_section (bfd * output_bfd,
else
{
BFD_ASSERT (h->dynindx != -1);
/* This type of dynamic relocation cannot be created
for code sections. */
BFD_ASSERT ((input_section->flags & SEC_CODE) == 0);
if ((input_section->flags & SEC_ALLOC) != 0)
relocate = FALSE;
else
@ -1715,7 +1731,7 @@ elf_arc_check_relocs (bfd * abfd,
/* FALLTHROUGH */
case R_ARC_PC32:
case R_ARC_32_PCREL:
if (bfd_link_pic (info)
if (bfd_link_pic (info) && !bfd_link_pie (info)
&& ((r_type != R_ARC_PC32 && r_type != R_ARC_32_PCREL)
|| (h != NULL
&& h->dynindx != -1

4
gas/ChangeLog
View file

@ -1,3 +1,7 @@
2016-02-29 Claudiu Zissulescu <Claudiu.Zissulescu@synopsys.com>
* config/tc-arc.c: Enable code density instructions for ARC EM.
2016-02-26 H.J. Lu <hongjiu.lu@intel.com>
PR ld/19645

2
gas/config/tc-arc.c
View file

@ -343,7 +343,7 @@ static const struct cpu_type
{ "arc700", ARC_OPCODE_ARC700, bfd_mach_arc_arc700,
E_ARC_MACH_ARC700, 0x00},
{ "arcem", ARC_OPCODE_ARCv2EM, bfd_mach_arc_arcv2,
EF_ARC_CPU_ARCV2EM, 0x00},
EF_ARC_CPU_ARCV2EM, ARC_CD},
{ "archs", ARC_OPCODE_ARCv2HS, bfd_mach_arc_arcv2,
EF_ARC_CPU_ARCV2HS, ARC_CD},
{ "all", ARC_OPCODE_BASE, bfd_mach_arc_arcv2,

5
ld/ChangeLog
View file

@ -1,3 +1,8 @@
2016-02-29 Cupertino Miranda <Cupertino.Miranda@synopsys.com>
* scripttempl/arclinux.sc: Force .tdata and .tbss to always be
generated.
2016-02-26 Renlin Li <renlin.li@arm.com>
* testsuite/ld-aarch64/aarch64-elf.exp: Run new testcases.

4
ld/scripttempl/arclinux.sc
View file

@ -326,8 +326,8 @@ cat <<EOF
.data1 ${RELOCATING-0} : { *(.data1) }
/* TLS local dynamic uses .tdata as a reference point. */
${RELOCATING+${CREATE_SHLIB+PROVIDE_HIDDEN (.tdata = .);}}
.tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
.tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
.tdata ${RELOCATING-0} : { PROVIDE_HIDDEN(.tdata = .); *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
.tbss ${RELOCATING-0} : { PROVIDE_HIDDEN(.tbss = .); *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
.eh_frame ${RELOCATING-0} : { KEEP (*(.eh_frame)) }
.gcc_except_table ${RELOCATING-0} : { *(.gcc_except_table) }
${WRITABLE_RODATA+${RODATA}}