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authorNick Clifton <nickc@redhat.com>2013-01-10 09:49:22 +0000
committerNick Clifton <nickc@redhat.com>2013-01-10 09:49:22 +0000
commita3c629886c2cdaa6ee89513b64c7f989ba30eba3 (patch)
tree6076704fbfa023a83d161ff5d236d1cb0b7aefa3 /bfd
parent9e9143bc874ab4742433b7498413313fb1723e8b (diff)
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* common.h: Fix case of "Meta".
* metag.h: New file. * dis-asm.h (print_insn_metag): New declaration. * metag.h: New file. * Makefile.am: Add Meta. * Makefile.in: Regenerate. * configure: Regenerate. * configure.in: Add Meta. * disassemble.c: Add Meta support. * metag-dis.c: New file. * Makefile.am: Add Meta. * Makefile.in: Regenerate. * archures.c (bfd_mach_metag): New. * bfd-in2.h: Regenerate. * config.bfd: Add Meta. * configure: Regenerate. * configure.in: Add Meta. * cpu-metag.c: New file. * elf-bfd.h: Add Meta. * elf32-metag.c: New file. * elf32-metag.h: New file. * libbfd.h: Regenerate. * reloc.c: Add Meta relocations. * targets.c: Add Meta. * Makefile.am: Add Meta. * Makefile.in: Regenerate. * config/tc-metag.c: New file. * config/tc-metag.h: New file. * configure.tgt: Add Meta. * doc/Makefile.am: Add Meta. * doc/Makefile.in: Regenerate. * doc/all.texi: Add Meta. * doc/as.texiinfo: Document Meta options. * doc/c-metag.texi: New file. * gas/metag/labelarithmetic.d: New file. * gas/metag/labelarithmetic.s: New file. * gas/metag/metacore12.d: New file. * gas/metag/metacore12.s: New file. * gas/metag/metacore21-invalid.l: New file. * gas/metag/metacore21-invalid.s: New file. * gas/metag/metacore21.d: New file. * gas/metag/metacore21.s: New file. * gas/metag/metacore21ext.d: New file. * gas/metag/metacore21ext.s: New file. * gas/metag/metadsp21-invalid.l: New file. * gas/metag/metadsp21-invalid.s: New file. * gas/metag/metadsp21.d: New file. * gas/metag/metadsp21.s: New file. * gas/metag/metadsp21ext.d: New file. * gas/metag/metadsp21ext.s: New file. * gas/metag/metafpu21.d: New file. * gas/metag/metafpu21.s: New file. * gas/metag/metafpu21ext.d: New file. * gas/metag/metafpu21ext.s: New file. * gas/metag/metag.exp: New file. * gas/metag/tls.d: New file. * gas/metag/tls.s: New file. * Makefile.am: Add Meta. * Makefile.in: Regenerate. * configure.tgt: Add Meta. * emulparams/elf32metag.sh: New file. * emultempl/metagelf.em: New file. * ld-elf/merge.d: Mark Meta as xfail. * ld-gc/start.d: Skip this test on Meta. * ld-gc/personality.d: Skip this test on Meta. * ld-metag/external.s: New file. * ld-metag/metag.exp: New file. * ld-metag/pcrel.d: New file. * ld-metag/pcrel.s: New file. * ld-metag/shared.d: New file. * ld-metag/shared.r: New file. * ld-metag/shared.s: New file. * ld-metag/stub.d: New file. * ld-metag/stub.s: New file. * ld-metag/stub_pic_app.d: New file. * ld-metag/stub_pic_app.r: New file. * ld-metag/stub_pic_app.s: New file. * ld-metag/stub_pic_shared.d: New file. * ld-metag/stub_pic_shared.s: New file. * ld-metag/stub_shared.d: New file. * ld-metag/stub_shared.r: New file. * ld-metag/stub_shared.s: New file. * binutils/readelf.c: (guess_is_rela): Add EM_METAG. (dump_relocations): Add EM_METAG. (get_machine_name): Correct case for Meta. (is_32bit_abs_reloc): Add support for Meta ADDR32 reloc. (is_none_reloc): Add support for Meta NONE reloc.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog17
-rw-r--r--bfd/Makefile.am4
-rw-r--r--bfd/Makefile.in6
-rw-r--r--bfd/archures.c4
-rw-r--r--bfd/bfd-in2.h42
-rw-r--r--bfd/config.bfd5
-rwxr-xr-xbfd/configure1
-rw-r--r--bfd/configure.in1
-rw-r--r--bfd/cpu-metag.c41
-rw-r--r--bfd/elf-bfd.h1
-rw-r--r--bfd/elf32-metag.c4313
-rw-r--r--bfd/elf32-metag.h38
-rw-r--r--bfd/libbfd.h38
-rw-r--r--bfd/reloc.c79
-rw-r--r--bfd/targets.c2
15 files changed, 4592 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 7abc268..a67dd1d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,20 @@
+2013-01-10 Will Newton <will.newton@imgtec.com>
+
+ * Makefile.am: Add Meta.
+ * Makefile.in: Regenerate.
+ * archures.c (bfd_mach_metag): New.
+ * bfd-in2.h: Regenerate.
+ * config.bfd: Add Meta.
+ * configure: Regenerate.
+ * configure.in: Add Meta.
+ * cpu-metag.c: New file.
+ * elf-bfd.h: Add Meta.
+ * elf32-metag.c: New file.
+ * elf32-metag.h: New file.
+ * libbfd.h: Regenerate.
+ * reloc.c: Add Meta relocations.
+ * targets.c: Add Meta.
+
2013-01-08 Yufeng Zhang <yufeng.zhang@arm.com>
* elf-bfd.h (elfcore_write_aarch_tls): Add prototype.
diff --git a/bfd/Makefile.am b/bfd/Makefile.am
index 6fe6cb2..8098ee4 100644
--- a/bfd/Makefile.am
+++ b/bfd/Makefile.am
@@ -129,6 +129,7 @@ ALL_MACHINES = \
cpu-m88k.lo \
cpu-mcore.lo \
cpu-mep.lo \
+ cpu-metag.lo \
cpu-microblaze.lo \
cpu-mips.lo \
cpu-mmix.lo \
@@ -211,6 +212,7 @@ ALL_MACHINES_CFILES = \
cpu-m88k.c \
cpu-mcore.c \
cpu-mep.c \
+ cpu-metag.c \
cpu-microblaze.c \
cpu-mips.c \
cpu-mmix.c \
@@ -340,6 +342,7 @@ BFD32_BACKENDS = \
elf32-m88k.lo \
elf32-mcore.lo \
elf32-mep.lo \
+ elf32-metag.lo \
elf32-microblaze.lo \
elf32-mips.lo \
elf32-moxie.lo \
@@ -528,6 +531,7 @@ BFD32_BACKENDS_CFILES = \
elf32-m88k.c \
elf32-mcore.c \
elf32-mep.c \
+ elf32-metag.c \
elf32-microblaze.c \
elf32-mips.c \
elf32-moxie.c \
diff --git a/bfd/Makefile.in b/bfd/Makefile.in
index c51c342..af4e5ed 100644
--- a/bfd/Makefile.in
+++ b/bfd/Makefile.in
@@ -430,6 +430,7 @@ ALL_MACHINES = \
cpu-m88k.lo \
cpu-mcore.lo \
cpu-mep.lo \
+ cpu-metag.lo \
cpu-microblaze.lo \
cpu-mips.lo \
cpu-mmix.lo \
@@ -512,6 +513,7 @@ ALL_MACHINES_CFILES = \
cpu-m88k.c \
cpu-mcore.c \
cpu-mep.c \
+ cpu-metag.c \
cpu-microblaze.c \
cpu-mips.c \
cpu-mmix.c \
@@ -642,6 +644,7 @@ BFD32_BACKENDS = \
elf32-m88k.lo \
elf32-mcore.lo \
elf32-mep.lo \
+ elf32-metag.lo \
elf32-microblaze.lo \
elf32-mips.lo \
elf32-moxie.lo \
@@ -830,6 +833,7 @@ BFD32_BACKENDS_CFILES = \
elf32-m88k.c \
elf32-mcore.c \
elf32-mep.c \
+ elf32-metag.c \
elf32-microblaze.c \
elf32-mips.c \
elf32-moxie.c \
@@ -1336,6 +1340,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-m9s12xg.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-mcore.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-mep.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-metag.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-microblaze.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-mips.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cpu-mmix.Plo@am__quote@
@@ -1424,6 +1429,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-m88k.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-mcore.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-mep.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-metag.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-microblaze.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-mips.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/elf32-moxie.Plo@am__quote@
diff --git a/bfd/archures.c b/bfd/archures.c
index 0843f36..66805ca 100644
--- a/bfd/archures.c
+++ b/bfd/archures.c
@@ -365,6 +365,8 @@ DESCRIPTION
.#define bfd_mach_mep 1
.#define bfd_mach_mep_h1 0x6831
.#define bfd_mach_mep_c5 0x6335
+. bfd_arch_metag,
+.#define bfd_mach_metag 1
. bfd_arch_ia64, {* HP/Intel ia64 *}
.#define bfd_mach_ia64_elf64 64
.#define bfd_mach_ia64_elf32 32
@@ -548,6 +550,7 @@ extern const bfd_arch_info_type bfd_m68k_arch;
extern const bfd_arch_info_type bfd_m88k_arch;
extern const bfd_arch_info_type bfd_mcore_arch;
extern const bfd_arch_info_type bfd_mep_arch;
+extern const bfd_arch_info_type bfd_metag_arch;
extern const bfd_arch_info_type bfd_mips_arch;
extern const bfd_arch_info_type bfd_microblaze_arch;
extern const bfd_arch_info_type bfd_mmix_arch;
@@ -635,6 +638,7 @@ static const bfd_arch_info_type * const bfd_archures_list[] =
&bfd_m88k_arch,
&bfd_mcore_arch,
&bfd_mep_arch,
+ &bfd_metag_arch,
&bfd_microblaze_arch,
&bfd_mips_arch,
&bfd_mmix_arch,
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index 20a45b2..3f1128f 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -2096,6 +2096,8 @@ enum bfd_architecture
#define bfd_mach_mep 1
#define bfd_mach_mep_h1 0x6831
#define bfd_mach_mep_c5 0x6335
+ bfd_arch_metag,
+#define bfd_mach_metag 1
bfd_arch_ia64, /* HP/Intel ia64 */
#define bfd_mach_ia64_elf64 64
#define bfd_mach_ia64_elf32 32
@@ -3996,6 +3998,46 @@ short offset into 11 bits. */
BFD_RELOC_MEP_GNU_VTENTRY,
+/* Imagination Technologies Meta relocations. */
+ BFD_RELOC_METAG_HIADDR16,
+ BFD_RELOC_METAG_LOADDR16,
+ BFD_RELOC_METAG_RELBRANCH,
+ BFD_RELOC_METAG_GETSETOFF,
+ BFD_RELOC_METAG_HIOG,
+ BFD_RELOC_METAG_LOOG,
+ BFD_RELOC_METAG_REL8,
+ BFD_RELOC_METAG_REL16,
+ BFD_RELOC_METAG_HI16_GOTOFF,
+ BFD_RELOC_METAG_LO16_GOTOFF,
+ BFD_RELOC_METAG_GETSET_GOTOFF,
+ BFD_RELOC_METAG_GETSET_GOT,
+ BFD_RELOC_METAG_HI16_GOTPC,
+ BFD_RELOC_METAG_LO16_GOTPC,
+ BFD_RELOC_METAG_HI16_PLT,
+ BFD_RELOC_METAG_LO16_PLT,
+ BFD_RELOC_METAG_RELBRANCH_PLT,
+ BFD_RELOC_METAG_GOTOFF,
+ BFD_RELOC_METAG_PLT,
+ BFD_RELOC_METAG_COPY,
+ BFD_RELOC_METAG_JMP_SLOT,
+ BFD_RELOC_METAG_RELATIVE,
+ BFD_RELOC_METAG_GLOB_DAT,
+ BFD_RELOC_METAG_TLS_GD,
+ BFD_RELOC_METAG_TLS_LDM,
+ BFD_RELOC_METAG_TLS_LDO_HI16,
+ BFD_RELOC_METAG_TLS_LDO_LO16,
+ BFD_RELOC_METAG_TLS_LDO,
+ BFD_RELOC_METAG_TLS_IE,
+ BFD_RELOC_METAG_TLS_IENONPIC,
+ BFD_RELOC_METAG_TLS_IENONPIC_HI16,
+ BFD_RELOC_METAG_TLS_IENONPIC_LO16,
+ BFD_RELOC_METAG_TLS_TPOFF,
+ BFD_RELOC_METAG_TLS_DTPMOD,
+ BFD_RELOC_METAG_TLS_DTPOFF,
+ BFD_RELOC_METAG_TLS_LE,
+ BFD_RELOC_METAG_TLS_LE_HI16,
+ BFD_RELOC_METAG_TLS_LE_LO16,
+
/* These are relocations for the GETA instruction. */
BFD_RELOC_MMIX_GETA,
BFD_RELOC_MMIX_GETA_1,
diff --git a/bfd/config.bfd b/bfd/config.bfd
index b19abd6..713c3d4 100644
--- a/bfd/config.bfd
+++ b/bfd/config.bfd
@@ -938,6 +938,11 @@ case "${targ}" in
targ_selvecs=bfd_elf32_mep_little_vec
;;
+ metag-*-*)
+ targ_defvec=bfd_elf32_metag_vec
+ targ_underscore=yes
+ ;;
+
microblazeel*-*)
targ_defvec=bfd_elf32_microblazeel_vec
targ_selvecs=bfd_elf32_microblaze_vec
diff --git a/bfd/configure b/bfd/configure
index 141e76d..1279e56 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -15283,6 +15283,7 @@ do
bfd_elf32_mcore_little_vec) tb="$tb elf32-mcore.lo elf32.lo $elf" ;;
bfd_elf32_mep_vec) tb="$tb elf32-mep.lo elf32.lo $elf" ;;
bfd_elf32_mep_little_vec) tb="$tb elf32-mep.lo elf32.lo $elf" ;;
+ bfd_elf32_metag_vec) tb="$tb elf32-metag.lo elf32.lo $elf" ;;
bfd_elf32_microblazeel_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
bfd_elf32_microblaze_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
bfd_elf32_mn10200_vec) tb="$tb elf-m10200.lo elf32.lo $elf" ;;
diff --git a/bfd/configure.in b/bfd/configure.in
index a581021..33f62e3 100644
--- a/bfd/configure.in
+++ b/bfd/configure.in
@@ -780,6 +780,7 @@ do
bfd_elf32_mcore_little_vec) tb="$tb elf32-mcore.lo elf32.lo $elf" ;;
bfd_elf32_mep_vec) tb="$tb elf32-mep.lo elf32.lo $elf" ;;
bfd_elf32_mep_little_vec) tb="$tb elf32-mep.lo elf32.lo $elf" ;;
+ bfd_elf32_metag_vec) tb="$tb elf32-metag.lo elf32.lo $elf" ;;
bfd_elf32_microblazeel_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
bfd_elf32_microblaze_vec) tb="$tb elf32-microblaze.lo elf32.lo $elf" ;;
bfd_elf32_mn10200_vec) tb="$tb elf-m10200.lo elf32.lo $elf" ;;
diff --git a/bfd/cpu-metag.c b/bfd/cpu-metag.c
new file mode 100644
index 0000000..a8dbfaa
--- /dev/null
+++ b/bfd/cpu-metag.c
@@ -0,0 +1,41 @@
+/* BFD support for the Imagination Technologies Meta processor.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ Contributed by Imagination Technologies Ltd.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+
+const bfd_arch_info_type bfd_metag_arch =
+{
+ 32, /* Bits per word. */
+ 32, /* Bits per address. */
+ 8, /* Bits per byte. */
+ bfd_arch_metag, /* Architecture. */
+ bfd_mach_metag, /* Machine. */
+ "metag", /* Architecture name. */
+ "metag", /* Printable name. */
+ 4, /* Section align power. */
+ TRUE, /* The default ? */
+ bfd_default_compatible, /* Architecture comparison fn. */
+ bfd_default_scan, /* String to architecture convert fn. */
+ bfd_arch_default_fill, /* Default fill. */
+ NULL /* Next in list. */
+};
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 533c5d4..43a077c 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -417,6 +417,7 @@ enum elf_target_id
M32R_ELF_DATA,
M68HC11_ELF_DATA,
M68K_ELF_DATA,
+ METAG_ELF_DATA,
MICROBLAZE_ELF_DATA,
MIPS_ELF_DATA,
MN10300_ELF_DATA,
diff --git a/bfd/elf32-metag.c b/bfd/elf32-metag.c
new file mode 100644
index 0000000..6ae3bc0
--- /dev/null
+++ b/bfd/elf32-metag.c
@@ -0,0 +1,4313 @@
+/* Meta support for 32-bit ELF
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ Contributed by Imagination Technologies Ltd.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf32-metag.h"
+#include "elf/metag.h"
+
+#define GOT_ENTRY_SIZE 4
+#define ELF_DYNAMIC_INTERPRETER "/lib/ld-uClibc.so.0"
+
+/* ABI version:
+ 0 - original
+ 1 - with GOT offset */
+#define METAG_ELF_ABI_VERSION 1
+
+static const unsigned int plt0_entry[] =
+ {
+ 0x02000005, /* MOVT D0Re0, #HI(GOT+4) */
+ 0x02000000, /* ADD D0Re0, D0Re0, #LO(GOT+4) */
+ 0xb70001e3, /* SETL [A0StP++], D0Re0, D1Re0 */
+ 0xc600012a, /* GETD PC, [D0Re0+#4] */
+ 0xa0fffffe /* NOP */
+ };
+
+static const unsigned int plt0_pic_entry[] =
+ {
+ 0x82900001, /* ADDT A0.2, CPC0, #0 */
+ 0x82100000, /* ADD A0.2, A0.2, #0 */
+ 0xa3100c20, /* MOV D0Re0, A0.2 */
+ 0xb70001e3, /* SETL [A0StP++], D0Re0, D1Re0 */
+ 0xc600012a, /* GETD PC, [D0Re0+#4] */
+ };
+
+static const unsigned int plt_entry[] =
+ {
+ 0x82100005, /* MOVT A0.2, #HI(GOT+off) */
+ 0x82100000, /* ADD A0.2, A0.2, #LO(GOT+off) */
+ 0xc600806a, /* GETD PC, [A0.2] */
+ 0x03000004, /* MOV D1Re0, #LO(offset) */
+ 0xa0000000 /* B PLT0 */
+ };
+
+static const unsigned int plt_pic_entry[] =
+ {
+ 0x82900001, /* ADDT A0.2, CPC0, #HI(GOT+off) */
+ 0x82100000, /* ADD A0.2, A0.2, #LO(GOT+off) */
+ 0xc600806a, /* GETD PC, [A0.2] */
+ 0x03000004, /* MOV D1Re0, #LO(offset) */
+ 0xa0000000 /* B PLT0 */
+ };
+
+/* Variable names follow a coding style.
+ Please follow this (Apps Hungarian) style:
+
+ Structure/Variable Prefix
+ elf_link_hash_table "etab"
+ elf_link_hash_entry "eh"
+
+ elf_metag_link_hash_table "htab"
+ elf_metag_link_hash_entry "hh"
+
+ bfd_link_hash_table "btab"
+ bfd_link_hash_entry "bh"
+
+ bfd_hash_table containing stubs "bstab"
+ elf_metag_stub_hash_entry "hsh"
+
+ elf_metag_dyn_reloc_entry "hdh"
+
+ Always remember to use GNU Coding Style. */
+
+#define PLT_ENTRY_SIZE sizeof(plt_entry)
+
+static reloc_howto_type elf_metag_howto_table[] =
+{
+ /* High order 16 bit absolute. */
+ HOWTO (R_METAG_HIADDR16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_HIADDR16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low order 16 bit absolute. */
+ HOWTO (R_METAG_LOADDR16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_LOADDR16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 32 bit absolute. */
+ HOWTO (R_METAG_ADDR32, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_ADDR32", /* name */
+ FALSE, /* partial_inplace */
+ 0x00000000, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* No relocation. */
+ HOWTO (R_METAG_NONE, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* 19 bit pc relative */
+ HOWTO (R_METAG_RELBRANCH, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 19, /* bitsize */
+ TRUE, /* pc_relative */
+ 5, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_RELBRANCH", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x00ffffe0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GET/SET offset */
+ HOWTO (R_METAG_GETSETOFF, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 12, /* bitsize */
+ FALSE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GETSETOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ EMPTY_HOWTO (6),
+ EMPTY_HOWTO (7),
+ EMPTY_HOWTO (8),
+ EMPTY_HOWTO (9),
+ EMPTY_HOWTO (10),
+ EMPTY_HOWTO (11),
+ EMPTY_HOWTO (12),
+ EMPTY_HOWTO (13),
+ EMPTY_HOWTO (14),
+ EMPTY_HOWTO (15),
+ EMPTY_HOWTO (16),
+ EMPTY_HOWTO (17),
+ EMPTY_HOWTO (18),
+ EMPTY_HOWTO (19),
+ EMPTY_HOWTO (20),
+ EMPTY_HOWTO (21),
+ EMPTY_HOWTO (22),
+ EMPTY_HOWTO (23),
+ EMPTY_HOWTO (24),
+ EMPTY_HOWTO (25),
+ EMPTY_HOWTO (26),
+ EMPTY_HOWTO (27),
+ EMPTY_HOWTO (28),
+ EMPTY_HOWTO (29),
+
+ HOWTO (R_METAG_GNU_VTINHERIT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ NULL, /* special_function */
+ "R_METAG_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_GNU_VTENTRY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ _bfd_elf_rel_vtable_reloc_fn, /* special_function */
+ "R_METAG_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High order 16 bit GOT offset */
+ HOWTO (R_METAG_HI16_GOTOFF, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_HI16_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low order 16 bit GOT offset */
+ HOWTO (R_METAG_LO16_GOTOFF, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_LO16_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GET/SET GOT offset */
+ HOWTO (R_METAG_GETSET_GOTOFF, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 12, /* bitsize */
+ FALSE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GETSET_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GET/SET GOT relative */
+ HOWTO (R_METAG_GETSET_GOT, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 12, /* bitsize */
+ FALSE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GETSET_GOT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High order 16 bit GOT reference */
+ HOWTO (R_METAG_HI16_GOTPC, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_HI16_GOTPC", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low order 16 bit GOT reference */
+ HOWTO (R_METAG_LO16_GOTPC, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_LO16_GOTPC", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* High order 16 bit PLT */
+ HOWTO (R_METAG_HI16_PLT, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_HI16_PLT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Low order 16 bit PLT */
+ HOWTO (R_METAG_LO16_PLT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_LO16_PLT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_RELBRANCH_PLT, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 19, /* bitsize */
+ TRUE, /* pc_relative */
+ 5, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_RELBRANCH_PLT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x00ffffe0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Dummy relocs used by the linker internally. */
+ HOWTO (R_METAG_GOTOFF, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_PLT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GOTOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* This is used only by the dynamic linker. The symbol should exist
+ both in the object being run and in some shared library. The
+ dynamic linker copies the data addressed by the symbol from the
+ shared library into the object, because the object being
+ run has to have the data at some particular address. */
+ HOWTO (R_METAG_COPY, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Marks a procedure linkage table entry for a symbol. */
+ HOWTO (R_METAG_JMP_SLOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_JMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Used only by the dynamic linker. When the object is run, this
+ longword is set to the load address of the object, plus the
+ addend. */
+ HOWTO (R_METAG_RELATIVE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_RELATIVE", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_GLOB_DAT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_GD, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_GD", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_LDM, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LDM", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_LDO_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LDO_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_LDO_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LDO_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Dummy reloc used by the linker internally. */
+ HOWTO (R_METAG_TLS_LDO, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LDO", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_IE, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 12, /* bitsize */
+ FALSE, /* pc_relative */
+ 7, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_IE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007ff80, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Dummy reloc used by the linker internally. */
+ HOWTO (R_METAG_TLS_IENONPIC, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_IENONPIC", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_IENONPIC_HI16,/* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_IENONPIC_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_IENONPIC_LO16,/* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_IENONPIC_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_TPOFF, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_TPOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_DTPMOD, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_DTPMOD", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_DTPOFF, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_DTPOFF", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* Dummy reloc used by the linker internally. */
+ HOWTO (R_METAG_TLS_LE, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 32, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_LE_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LE_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_METAG_TLS_LE_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 3, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_METAG_TLS_LE_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x0007fff8, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+};
+
+#define BRANCH_BITS 19
+
+/* The GOT is typically accessed using a [GS]ETD instruction. The size of the
+ immediate offset which can be used in such instructions therefore limits
+ the usable size of the GOT. If the base register for the [GS]ETD (A1LbP)
+ is pointing to the base of the GOT then the size is limited to the maximum
+ 11 bits unsigned dword offset, or 2^13 = 0x2000 bytes. However the offset
+ in a [GS]ETD instruction is signed, so by setting the base address register
+ to an offset of that 0x2000 byte maximum unsigned offset from the base of
+ the GOT we can use negative offsets in addition to positive. This
+ effectively doubles the usable GOT size to 0x4000 bytes. */
+#define GOT_REG_OFFSET 0x2000
+
+struct metag_reloc_map
+{
+ bfd_reloc_code_real_type bfd_reloc_val;
+ unsigned int metag_reloc_val;
+};
+
+static const struct metag_reloc_map metag_reloc_map [] =
+ {
+ { BFD_RELOC_NONE, R_METAG_NONE },
+ { BFD_RELOC_32, R_METAG_ADDR32 },
+ { BFD_RELOC_METAG_HIADDR16, R_METAG_HIADDR16 },
+ { BFD_RELOC_METAG_LOADDR16, R_METAG_LOADDR16 },
+ { BFD_RELOC_METAG_RELBRANCH, R_METAG_RELBRANCH },
+ { BFD_RELOC_METAG_GETSETOFF, R_METAG_GETSETOFF },
+ { BFD_RELOC_VTABLE_INHERIT, R_METAG_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_METAG_GNU_VTENTRY },
+ { BFD_RELOC_METAG_REL8, R_METAG_REL8 },
+ { BFD_RELOC_METAG_REL16, R_METAG_REL16 },
+ { BFD_RELOC_METAG_HI16_GOTOFF, R_METAG_HI16_GOTOFF },
+ { BFD_RELOC_METAG_LO16_GOTOFF, R_METAG_LO16_GOTOFF },
+ { BFD_RELOC_METAG_GETSET_GOTOFF, R_METAG_GETSET_GOTOFF },
+ { BFD_RELOC_METAG_GETSET_GOT, R_METAG_GETSET_GOT },
+ { BFD_RELOC_METAG_HI16_GOTPC, R_METAG_HI16_GOTPC },
+ { BFD_RELOC_METAG_LO16_GOTPC, R_METAG_LO16_GOTPC },
+ { BFD_RELOC_METAG_HI16_PLT, R_METAG_HI16_PLT },
+ { BFD_RELOC_METAG_LO16_PLT, R_METAG_LO16_PLT },
+ { BFD_RELOC_METAG_RELBRANCH_PLT, R_METAG_RELBRANCH_PLT },
+ { BFD_RELOC_METAG_GOTOFF, R_METAG_GOTOFF },
+ { BFD_RELOC_METAG_PLT, R_METAG_PLT },
+ { BFD_RELOC_METAG_COPY, R_METAG_COPY },
+ { BFD_RELOC_METAG_JMP_SLOT, R_METAG_JMP_SLOT },
+ { BFD_RELOC_METAG_RELATIVE, R_METAG_RELATIVE },
+ { BFD_RELOC_METAG_GLOB_DAT, R_METAG_GLOB_DAT },
+ { BFD_RELOC_METAG_TLS_GD, R_METAG_TLS_GD },
+ { BFD_RELOC_METAG_TLS_LDM, R_METAG_TLS_LDM },
+ { BFD_RELOC_METAG_TLS_LDO_HI16, R_METAG_TLS_LDO_HI16 },
+ { BFD_RELOC_METAG_TLS_LDO_LO16, R_METAG_TLS_LDO_LO16 },
+ { BFD_RELOC_METAG_TLS_LDO, R_METAG_TLS_LDO },
+ { BFD_RELOC_METAG_TLS_IE, R_METAG_TLS_IE },
+ { BFD_RELOC_METAG_TLS_IENONPIC, R_METAG_TLS_IENONPIC },
+ { BFD_RELOC_METAG_TLS_IENONPIC_HI16, R_METAG_TLS_IENONPIC_HI16 },
+ { BFD_RELOC_METAG_TLS_IENONPIC_LO16, R_METAG_TLS_IENONPIC_LO16 },
+ { BFD_RELOC_METAG_TLS_TPOFF, R_METAG_TLS_TPOFF },
+ { BFD_RELOC_METAG_TLS_DTPMOD, R_METAG_TLS_DTPMOD },
+ { BFD_RELOC_METAG_TLS_DTPOFF, R_METAG_TLS_DTPOFF },
+ { BFD_RELOC_METAG_TLS_LE, R_METAG_TLS_LE },
+ { BFD_RELOC_METAG_TLS_LE_HI16, R_METAG_TLS_LE_HI16 },
+ { BFD_RELOC_METAG_TLS_LE_LO16, R_METAG_TLS_LE_LO16 },
+ };
+
+enum elf_metag_stub_type
+{
+ metag_stub_long_branch,
+ metag_stub_long_branch_shared,
+ metag_stub_none
+};
+
+struct elf_metag_stub_hash_entry
+{
+ /* Base hash table entry structure. */
+ struct bfd_hash_entry bh_root;
+
+ /* The stub section. */
+ asection *stub_sec;
+
+ /* Offset within stub_sec of the beginning of this stub. */
+ bfd_vma stub_offset;
+
+ /* Given the symbol's value and its section we can determine its final
+ value when building the stubs (so the stub knows where to jump. */
+ bfd_vma target_value;
+ asection *target_section;
+
+ enum elf_metag_stub_type stub_type;
+
+ /* The symbol table entry, if any, that this was derived from. */
+ struct elf_metag_link_hash_entry *hh;
+
+ /* And the reloc addend that this was derived from. */
+ bfd_vma addend;
+
+ /* Where this stub is being called from, or, in the case of combined
+ stub sections, the first input section in the group. */
+ asection *id_sec;
+};
+
+struct elf_metag_link_hash_entry
+{
+ struct elf_link_hash_entry eh;
+
+ /* A pointer to the most recently used stub hash entry against this
+ symbol. */
+ struct elf_metag_stub_hash_entry *hsh_cache;
+
+ /* Used to count relocations for delayed sizing of relocation
+ sections. */
+ struct elf_metag_dyn_reloc_entry {
+
+ /* Next relocation in the chain. */
+ struct elf_metag_dyn_reloc_entry *hdh_next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Number of relocs copied in this section. */
+ bfd_size_type count;
+
+ /* Number of relative relocs copied for the input section. */
+ bfd_size_type relative_count;
+ } *dyn_relocs;
+
+ enum
+ {
+ GOT_UNKNOWN = 0, GOT_NORMAL = 1, GOT_TLS_IE = 2, GOT_TLS_LDM = 4, GOT_TLS_GD = 8
+ } tls_type;
+};
+
+struct elf_metag_link_hash_table
+{
+ /* The main hash table. */
+ struct elf_link_hash_table etab;
+
+ /* The stub hash table. */
+ struct bfd_hash_table bstab;
+
+ /* Linker stub bfd. */
+ bfd *stub_bfd;
+
+ /* Linker call-backs. */
+ asection * (*add_stub_section) (const char *, asection *);
+ void (*layout_sections_again) (void);
+
+ /* Array to keep track of which stub sections have been created, and
+ information on stub grouping. */
+ struct map_stub
+ {
+ /* This is the section to which stubs in the group will be
+ attached. */
+ asection *link_sec;
+ /* The stub section. */
+ asection *stub_sec;
+ } *stub_group;
+
+ /* Assorted information used by elf_metag_size_stubs. */
+ unsigned int bfd_count;
+ int top_index;
+ asection **input_list;
+ Elf_Internal_Sym **all_local_syms;
+
+ /* Short-cuts to get to dynamic linker sections. */
+ asection *sgot;
+ asection *sgotplt;
+ asection *srelgot;
+ asection *splt;
+ asection *srelplt;
+ asection *sdynbss;
+ asection *srelbss;
+
+ /* Small local sym cache. */
+ struct sym_cache sym_cache;
+
+ /* Data for LDM relocations. */
+ union
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } tls_ldm_got;
+};
+
+/* Return the base vma address which should be subtracted from the
+ real address when resolving a dtpoff relocation. This is PT_TLS
+ segment p_vaddr. */
+static bfd_vma
+dtpoff_base (struct bfd_link_info *info)
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return elf_hash_table (info)->tls_sec->vma;
+}
+
+/* Return the relocation value for R_METAG_TLS_IE */
+static bfd_vma
+tpoff (struct bfd_link_info *info, bfd_vma address)
+{
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ /* METAG TLS ABI is variant I and static TLS blocks start just after
+ tcbhead structure which has 2 pointer fields. */
+ return (address - elf_hash_table (info)->tls_sec->vma
+ + align_power ((bfd_vma) 8,
+ elf_hash_table (info)->tls_sec->alignment_power));
+}
+
+static void
+metag_info_to_howto_rela (bfd *abfd ATTRIBUTE_UNUSED,
+ arelent *cache_ptr,
+ Elf_Internal_Rela *dst)
+{
+ unsigned int r_type;
+
+ r_type = ELF32_R_TYPE (dst->r_info);
+ BFD_ASSERT (r_type < (unsigned int) R_METAG_MAX);
+ cache_ptr->howto = & elf_metag_howto_table [r_type];
+}
+
+static reloc_howto_type *
+metag_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (metag_reloc_map) / sizeof (metag_reloc_map[0]); i++)
+ if (metag_reloc_map [i].bfd_reloc_val == code)
+ return & elf_metag_howto_table [metag_reloc_map[i].metag_reloc_val];
+
+ return NULL;
+}
+
+static reloc_howto_type *
+metag_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (elf_metag_howto_table) / sizeof (elf_metag_howto_table[0]); i++)
+ if (elf_metag_howto_table[i].name != NULL
+ && strcasecmp (elf_metag_howto_table[i].name, r_name) == 0)
+ return &elf_metag_howto_table[i];
+
+ return NULL;
+}
+
+/* Various hash macros and functions. */
+#define metag_link_hash_table(p) \
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == METAG_ELF_DATA ? ((struct elf_metag_link_hash_table *) ((p)->hash)) : NULL)
+
+#define metag_elf_hash_entry(ent) \
+ ((struct elf_metag_link_hash_entry *)(ent))
+
+#define metag_stub_hash_entry(ent) \
+ ((struct elf_metag_stub_hash_entry *)(ent))
+
+#define metag_stub_hash_lookup(table, string, create, copy) \
+ ((struct elf_metag_stub_hash_entry *) \
+ bfd_hash_lookup ((table), (string), (create), (copy)))
+
+#define metag_elf_local_got_tls_type(abfd) \
+ ((char *)(elf_local_got_offsets (abfd) + (elf_tdata (abfd)->symtab_hdr.sh_info)))
+
+/* Assorted hash table functions. */
+
+/* Initialize an entry in the stub hash table. */
+
+static struct bfd_hash_entry *
+stub_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry = bfd_hash_allocate (table,
+ sizeof (struct elf_metag_stub_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = bfd_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct elf_metag_stub_hash_entry *hsh;
+
+ /* Initialize the local fields. */
+ hsh = (struct elf_metag_stub_hash_entry *) entry;
+ hsh->stub_sec = NULL;
+ hsh->stub_offset = 0;
+ hsh->target_value = 0;
+ hsh->target_section = NULL;
+ hsh->stub_type = metag_stub_long_branch;
+ hsh->hh = NULL;
+ hsh->id_sec = NULL;
+ }
+
+ return entry;
+}
+
+/* Initialize an entry in the link hash table. */
+
+static struct bfd_hash_entry *
+metag_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
+{
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (entry == NULL)
+ {
+ entry = bfd_hash_allocate (table,
+ sizeof (struct elf_metag_link_hash_entry));
+ if (entry == NULL)
+ return entry;
+ }
+
+ /* Call the allocation method of the superclass. */
+ entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+ if (entry != NULL)
+ {
+ struct elf_metag_link_hash_entry *hh;
+
+ /* Initialize the local fields. */
+ hh = (struct elf_metag_link_hash_entry *) entry;
+ hh->hsh_cache = NULL;
+ hh->dyn_relocs = NULL;
+ hh->tls_type = GOT_UNKNOWN;
+ }
+
+ return entry;
+}
+
+/* Create the derived linker hash table. The Meta ELF port uses the derived
+ hash table to keep information specific to the Meta ELF linker (without
+ using static variables). */
+
+static struct bfd_link_hash_table *
+elf_metag_link_hash_table_create (bfd *abfd)
+{
+ struct elf_metag_link_hash_table *htab;
+ bfd_size_type amt = sizeof (*htab);
+
+ htab = bfd_malloc (amt);
+ if (htab == NULL)
+ return NULL;
+
+ if (!_bfd_elf_link_hash_table_init (&htab->etab, abfd,
+ metag_link_hash_newfunc,
+ sizeof (struct elf_metag_link_hash_entry),
+ METAG_ELF_DATA))
+ {
+ free (htab);
+ return NULL;
+ }
+
+ /* Init the stub hash table too. */
+ if (!bfd_hash_table_init (&htab->bstab, stub_hash_newfunc,
+ sizeof (struct elf_metag_stub_hash_entry)))
+ return NULL;
+
+ htab->stub_bfd = NULL;
+ htab->add_stub_section = NULL;
+ htab->layout_sections_again = NULL;
+ htab->stub_group = NULL;
+ htab->sgot = NULL;
+ htab->sgotplt = NULL;
+ htab->srelgot = NULL;
+ htab->splt = NULL;
+ htab->srelplt = NULL;
+ htab->sdynbss = NULL;
+ htab->srelbss = NULL;
+ htab->sym_cache.abfd = NULL;
+ htab->tls_ldm_got.refcount = 0;
+
+ return &htab->etab.root;
+}
+
+/* Free the derived linker hash table. */
+
+static void
+elf_metag_link_hash_table_free (struct bfd_link_hash_table *btab)
+{
+ struct elf_metag_link_hash_table *htab
+ = (struct elf_metag_link_hash_table *) btab;
+
+ bfd_hash_table_free (&htab->bstab);
+ _bfd_generic_link_hash_table_free (btab);
+}
+
+/* Section name for stubs is the associated section name plus this
+ string. */
+#define STUB_SUFFIX ".stub"
+
+/* Build a name for an entry in the stub hash table. */
+
+static char *
+metag_stub_name (const asection *input_section,
+ const asection *sym_sec,
+ const struct elf_metag_link_hash_entry *hh,
+ const Elf_Internal_Rela *rel)
+{
+ char *stub_name;
+ bfd_size_type len;
+
+ if (hh)
+ {
+ len = 8 + 1 + strlen (hh->eh.root.root.string) + 1 + 8 + 1;
+ stub_name = bfd_malloc (len);
+ if (stub_name != NULL)
+ {
+ sprintf (stub_name, "%08x_%s+%x",
+ input_section->id & 0xffffffff,
+ hh->eh.root.root.string,
+ (int) rel->r_addend & 0xffffffff);
+ }
+ }
+ else
+ {
+ len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
+ stub_name = bfd_malloc (len);
+ if (stub_name != NULL)
+ {
+ sprintf (stub_name, "%08x_%x:%x+%x",
+ input_section->id & 0xffffffff,
+ sym_sec->id & 0xffffffff,
+ (int) ELF32_R_SYM (rel->r_info) & 0xffffffff,
+ (int) rel->r_addend & 0xffffffff);
+ }
+ }
+ return stub_name;
+}
+
+/* Look up an entry in the stub hash. Stub entries are cached because
+ creating the stub name takes a bit of time. */
+
+static struct elf_metag_stub_hash_entry *
+metag_get_stub_entry (const asection *input_section,
+ const asection *sym_sec,
+ struct elf_metag_link_hash_entry *hh,
+ const Elf_Internal_Rela *rel,
+ struct elf_metag_link_hash_table *htab)
+{
+ struct elf_metag_stub_hash_entry *hsh;
+ const asection *id_sec;
+
+ /* If this input section is part of a group of sections sharing one
+ stub section, then use the id of the first section in the group.
+ Stub names need to include a section id, as there may well be
+ more than one stub used to reach say, printf, and we need to
+ distinguish between them. */
+ id_sec = htab->stub_group[input_section->id].link_sec;
+
+ if (hh != NULL && hh->hsh_cache != NULL
+ && hh->hsh_cache->hh == hh
+ && hh->hsh_cache->id_sec == id_sec)
+ {
+ hsh = hh->hsh_cache;
+ }
+ else
+ {
+ char *stub_name;
+
+ stub_name = metag_stub_name (id_sec, sym_sec, hh, rel);
+ if (stub_name == NULL)
+ return NULL;
+
+ hsh = metag_stub_hash_lookup (&htab->bstab,
+ stub_name, FALSE, FALSE);
+
+ if (hh != NULL)
+ hh->hsh_cache = hsh;
+
+ free (stub_name);
+ }
+
+ return hsh;
+}
+
+/* Add a new stub entry to the stub hash. Not all fields of the new
+ stub entry are initialised. */
+
+static struct elf_metag_stub_hash_entry *
+metag_add_stub (const char *stub_name,
+ asection *section,
+ struct elf_metag_link_hash_table *htab)
+{
+ asection *link_sec;
+ asection *stub_sec;
+ struct elf_metag_stub_hash_entry *hsh;
+
+ link_sec = htab->stub_group[section->id].link_sec;
+ stub_sec = htab->stub_group[section->id].stub_sec;
+ if (stub_sec == NULL)
+ {
+ stub_sec = htab->stub_group[link_sec->id].stub_sec;
+ if (stub_sec == NULL)
+ {
+ size_t namelen;
+ bfd_size_type len;
+ char *s_name;
+
+ namelen = strlen (link_sec->name);
+ len = namelen + sizeof (STUB_SUFFIX);
+ s_name = bfd_alloc (htab->stub_bfd, len);
+ if (s_name == NULL)
+ return NULL;
+
+ memcpy (s_name, link_sec->name, namelen);
+ memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
+
+ stub_sec = (*htab->add_stub_section) (s_name, link_sec);
+ if (stub_sec == NULL)
+ return NULL;
+ htab->stub_group[link_sec->id].stub_sec = stub_sec;
+ }
+ htab->stub_group[section->id].stub_sec = stub_sec;
+ }
+
+ /* Enter this entry into the linker stub hash table. */
+ hsh = metag_stub_hash_lookup (&htab->bstab, stub_name,
+ TRUE, FALSE);
+ if (hsh == NULL)
+ {
+ (*_bfd_error_handler) (_("%B: cannot create stub entry %s"),
+ section->owner,
+ stub_name);
+ return NULL;
+ }
+
+ hsh->stub_sec = stub_sec;
+ hsh->stub_offset = 0;
+ hsh->id_sec = link_sec;
+ return hsh;
+}
+
+/* Check a signed integer value can be represented in the given number
+ of bits. */
+
+static bfd_boolean
+within_signed_range (int value, unsigned int bits)
+{
+ int min_val = -(1 << (bits - 1));
+ int max_val = (1 << (bits - 1)) - 1;
+ return (value <= max_val) && (value >= min_val);
+}
+
+/* Perform a relocation as part of a final link. */
+
+static bfd_reloc_status_type
+metag_final_link_relocate (reloc_howto_type *howto,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *rel,
+ bfd_vma relocation,
+ struct elf_metag_link_hash_entry *hh,
+ struct elf_metag_link_hash_table *htab,
+ asection *sym_sec)
+{
+ bfd_reloc_status_type r = bfd_reloc_ok;
+ bfd_byte *hit_data = contents + rel->r_offset;
+ int opcode, op_shift, op_extended, l1, l2;
+ bfd_signed_vma srel, addend = rel->r_addend;
+ struct elf_metag_stub_hash_entry *hsh = NULL;
+ bfd_vma location;
+
+ /* Find out where we are and where we're going. */
+ location = (rel->r_offset +
+ input_section->output_offset +
+ input_section->output_section->vma);
+
+ switch (howto->type)
+ {
+ case R_METAG_RELBRANCH:
+ case R_METAG_RELBRANCH_PLT:
+ /* Make it a pc relative offset. */
+ relocation -= location;
+ break;
+ case R_METAG_TLS_GD:
+ case R_METAG_TLS_IE:
+ relocation -= elf_gp (input_section->output_section->owner);
+ break;
+ default:
+ break;
+ }
+
+ switch (howto->type)
+ {
+ case R_METAG_RELBRANCH_PLT:
+ case R_METAG_RELBRANCH:
+ opcode = bfd_get_32 (input_bfd, hit_data);
+
+ srel = (bfd_signed_vma) relocation;
+ srel += addend;
+
+ /* If the branch is out of reach, then redirect the
+ call to the local stub for this function. */
+ if (srel > ((1 << (BRANCH_BITS + 1)) - 1) ||
+ (srel < - (1 << (BRANCH_BITS + 1))))
+ {
+ if (sym_sec == NULL)
+ break;
+
+ hsh = metag_get_stub_entry (input_section, sym_sec,
+ hh, rel, htab);
+ if (hsh == NULL)
+ return bfd_reloc_undefined;
+
+ /* Munge up the value and addend so that we call the stub
+ rather than the procedure directly. */
+ srel = (hsh->stub_offset
+ + hsh->stub_sec->output_offset
+ + hsh->stub_sec->output_section->vma);
+ srel -= location;
+ }
+
+ srel = srel >> 2;
+
+ if (!within_signed_range (srel, BRANCH_BITS))
+ {
+ if (hh && hh->eh.root.type == bfd_link_hash_undefweak)
+ srel = 0;
+ else
+ return bfd_reloc_overflow;
+ }
+
+ opcode &= ~(0x7ffff << 5);
+ opcode |= ((srel & 0x7ffff) << 5);
+
+ bfd_put_32 (input_bfd, opcode, hit_data);
+ break;
+ case R_METAG_GETSETOFF:
+ case R_METAG_GETSET_GOT:
+ case R_METAG_GETSET_GOTOFF:
+ opcode = bfd_get_32 (input_bfd, hit_data);
+
+ srel = (bfd_signed_vma) relocation;
+ srel += addend;
+
+ /* Is this a standard or extended GET/SET? */
+ if ((opcode & 0xf0000000) == 0xa0000000)
+ {
+ /* Extended GET/SET. */
+ l1 = opcode & 0x2;
+ l2 = opcode & 0x4;
+ op_extended = 1;
+ }
+ else
+ {
+ /* Standard GET/SET. */
+ l1 = opcode & 0x01000000;
+ l2 = opcode & 0x04000000;
+ op_extended = 0;
+ }
+
+ /* Calculate the width of the GET/SET and how much we need to
+ shift the result by. */
+ if (l2)
+ if (l1)
+ op_shift = 3;
+ else
+ op_shift = 2;
+ else
+ if (l1)
+ op_shift = 1;
+ else
+ op_shift = 0;
+
+ /* GET/SET offsets are scaled by the width of the transfer. */
+ srel = srel >> op_shift;
+
+ /* Extended GET/SET has signed 12 bits of offset, standard has
+ signed 6 bits. */
+ if (op_extended)
+ {
+ if (!within_signed_range (srel, 12))
+ {
+ if (hh && hh->eh.root.type == bfd_link_hash_undefweak)
+ srel = 0;
+ else
+ return bfd_reloc_overflow;
+ }
+ opcode &= ~(0xfff << 7);
+ opcode |= ((srel & 0xfff) << 7);
+ }
+ else
+ {
+ if (!within_signed_range (srel, 5))
+ {
+ if (hh && hh->eh.root.type == bfd_link_hash_undefweak)
+ srel = 0;
+ else
+ return bfd_reloc_overflow;
+ }
+ opcode &= ~(0x3f << 8);
+ opcode |= ((srel & 0x3f) << 8);
+ }
+
+ bfd_put_32 (input_bfd, opcode, hit_data);
+ break;
+ case R_METAG_TLS_GD:
+ case R_METAG_TLS_LDM:
+ opcode = bfd_get_32 (input_bfd, hit_data);
+
+ if ((bfd_signed_vma)relocation < 0)
+ {
+ /* sign extend immediate */
+ if ((opcode & 0xf2000001) == 0x02000000)
+ {
+ /* ADD De.e,Dx.r,#I16 */
+ /* set SE bit */
+ opcode |= (1 << 1);
+ } else
+ return bfd_reloc_overflow;
+ }
+
+ bfd_put_32 (input_bfd, opcode, hit_data);
+
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
+ break;
+ default:
+ r = _bfd_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel->r_offset,
+ relocation, rel->r_addend);
+ }
+
+ return r;
+}
+
+/* This is defined because R_METAG_NONE != 0...
+ See RELOC_AGAINST_DISCARDED_SECTION for details. */
+#define METAG_RELOC_AGAINST_DISCARDED_SECTION(info, input_bfd, input_section, \
+ rel, relend, howto, contents) \
+ { \
+ _bfd_clear_contents (howto, input_bfd, input_section, \
+ contents + rel->r_offset); \
+ \
+ if (info->relocatable \
+ && (input_section->flags & SEC_DEBUGGING)) \
+ { \
+ /* Only remove relocations in debug sections since other \
+ sections may require relocations. */ \
+ Elf_Internal_Shdr *rel_hdr; \
+ \
+ rel_hdr = _bfd_elf_single_rel_hdr (input_section->output_section); \
+ \
+ /* Avoid empty output section. */ \
+ if (rel_hdr->sh_size > rel_hdr->sh_entsize) \
+ { \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
+ rel_hdr = _bfd_elf_single_rel_hdr (input_section); \
+ rel_hdr->sh_size -= rel_hdr->sh_entsize; \
+ \
+ memmove (rel, rel + 1, (relend - rel) * sizeof (*rel)); \
+ \
+ input_section->reloc_count--; \
+ relend--; \
+ rel--; \
+ continue; \
+ } \
+ } \
+ \
+ rel->r_info = R_METAG_NONE; \
+ rel->r_addend = 0; \
+ continue; \
+ }
+
+/* Relocate a META ELF section.
+
+The RELOCATE_SECTION function is called by the new ELF backend linker
+to handle the relocations for a section.
+
+The relocs are always passed as Rela structures; if the section
+actually uses Rel structures, the r_addend field will always be
+zero.
+
+This function is responsible for adjusting the section contents as
+necessary, and (if using Rela relocs and generating a relocatable
+output file) adjusting the reloc addend as necessary.
+
+This function does not have to worry about setting the reloc
+address or the reloc symbol index.
+
+LOCAL_SYMS is a pointer to the swapped in local symbols.
+
+LOCAL_SECTIONS is an array giving the section in the input file
+corresponding to the st_shndx field of each local symbol.
+
+The global hash table entry for the global symbols can be found
+via elf_sym_hashes (input_bfd).
+
+When generating relocatable output, this function must handle
+STB_LOCAL/STT_SECTION symbols specially. The output symbol is
+going to be the section symbol corresponding to the output
+section, which means that the addend must be adjusted
+accordingly. */
+
+static bfd_boolean
+elf_metag_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
+{
+ bfd_vma *local_got_offsets;
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **eh_syms;
+ struct elf_metag_link_hash_table *htab;
+ Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *relend;
+ asection *sreloc;
+
+ symtab_hdr = & elf_tdata (input_bfd)->symtab_hdr;
+ eh_syms = elf_sym_hashes (input_bfd);
+ relend = relocs + input_section->reloc_count;
+
+ htab = metag_link_hash_table (info);
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ sreloc = NULL;
+
+ for (rel = relocs; rel < relend; rel ++)
+ {
+ reloc_howto_type *howto;
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ struct elf_metag_link_hash_entry *hh;
+ bfd_vma relocation;
+ bfd_reloc_status_type r;
+ const char *name;
+ int r_type;
+
+ r_type = ELF32_R_TYPE (rel->r_info);
+
+ if (r_type == R_METAG_GNU_VTINHERIT
+ || r_type == R_METAG_GNU_VTENTRY
+ || r_type == R_METAG_NONE)
+ continue;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+
+ howto = elf_metag_howto_table + ELF32_R_TYPE (rel->r_info);
+ hh = NULL;
+ sym = NULL;
+ sec = NULL;
+
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ sym = local_syms + r_symndx;
+ sec = local_sections [r_symndx];
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
+
+ name = bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name);
+ name = (name == NULL) ? bfd_section_name (input_bfd, sec) : name;
+ }
+ else
+ {
+ struct elf_link_hash_entry *eh;
+ bfd_boolean unresolved_reloc, warned;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, eh_syms,
+ eh, sec, relocation,
+ unresolved_reloc, warned);
+
+ name = eh->root.root.string;
+ hh = (struct elf_metag_link_hash_entry *) eh;
+ }
+
+ if (sec != NULL && discarded_section (sec))
+ METAG_RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rel, relend, howto, contents);
+
+ if (info->relocatable)
+ continue;
+
+ switch (r_type)
+ {
+ case R_METAG_ADDR32:
+ case R_METAG_RELBRANCH:
+ if ((input_section->flags & SEC_ALLOC) == 0)
+ break;
+
+ if ((info->shared
+ && r_symndx != STN_UNDEF
+ && (input_section->flags & SEC_ALLOC) != 0
+ && (r_type != R_METAG_RELBRANCH
+ || !SYMBOL_CALLS_LOCAL (info, &hh->eh)))
+ || (!info->shared
+ && hh != NULL
+ && hh->eh.dynindx != -1
+ && !hh->eh.non_got_ref
+ && ((hh->eh.def_dynamic
+ && !hh->eh.def_regular)
+ || hh->eh.root.type == bfd_link_hash_undefweak
+ || hh->eh.root.type == bfd_link_hash_undefined)))
+ {
+ Elf_Internal_Rela outrel;
+ bfd_boolean skip, relocate;
+ bfd_byte *loc;
+
+ /* When generating a shared object, these relocations
+ are copied into the output file to be resolved at run
+ time. */
+
+ sreloc = elf_section_data (input_section)->sreloc;
+ BFD_ASSERT (sreloc != NULL);
+
+ skip = FALSE;
+ relocate = FALSE;
+
+ outrel.r_offset = _bfd_elf_section_offset (output_bfd,
+ info,
+ input_section,
+ rel->r_offset);
+ if (outrel.r_offset == (bfd_vma) -1)
+ skip = TRUE;
+ else if (outrel.r_offset == (bfd_vma) -2)
+ skip = TRUE, relocate = TRUE;
+ outrel.r_offset += (input_section->output_section->vma
+ + input_section->output_offset);
+
+ if (skip)
+ {
+ memset (&outrel, 0, sizeof outrel);
+ outrel.r_info = ELF32_R_INFO (0, R_METAG_NONE);
+ }
+ else if (r_type == R_METAG_RELBRANCH)
+ {
+ BFD_ASSERT (hh != NULL && hh->eh.dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (hh->eh.dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ else
+ {
+ /* h->dynindx may be -1 if this symbol was marked to
+ become local. */
+ if (hh == NULL
+ || ((info->symbolic || hh->eh.dynindx == -1)
+ && hh->eh.def_regular))
+ {
+ relocate = TRUE;
+ outrel.r_info = ELF32_R_INFO (0, R_METAG_RELATIVE);
+ outrel.r_addend = relocation + rel->r_addend;
+ }
+ else
+ {
+ BFD_ASSERT (hh->eh.dynindx != -1);
+ outrel.r_info = ELF32_R_INFO (hh->eh.dynindx, r_type);
+ outrel.r_addend = rel->r_addend;
+ }
+ }
+
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count * sizeof(Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
+ ++sreloc->reloc_count;
+
+ /* If this reloc is against an external symbol, we do
+ not want to fiddle with the addend. Otherwise, we
+ need to include the symbol value so that it becomes
+ an addend for the dynamic reloc. */
+ if (! relocate)
+ continue;
+ }
+ break;
+
+ case R_METAG_RELBRANCH_PLT:
+ /* Relocation is to the entry for this symbol in the
+ procedure linkage table. */
+
+ if (hh == NULL)
+ break;
+
+ if (hh->eh.forced_local)
+ break;
+
+ if (hh->eh.plt.offset == (bfd_vma) -1 ||
+ htab->splt == NULL)
+ {
+ /* We didn't make a PLT entry for this symbol. This
+ happens when statically linking PIC code, or when
+ using -Bsymbolic. */
+ break;
+ }
+
+ relocation = (htab->splt->output_section->vma
+ + htab->splt->output_offset
+ + hh->eh.plt.offset);
+ break;
+ case R_METAG_HI16_GOTPC:
+ case R_METAG_LO16_GOTPC:
+ BFD_ASSERT (htab->sgot != NULL);
+
+ relocation = (htab->sgot->output_section->vma +
+ htab->sgot->output_offset);
+ relocation += GOT_REG_OFFSET;
+ relocation -= (input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+ break;
+ case R_METAG_HI16_GOTOFF:
+ case R_METAG_LO16_GOTOFF:
+ case R_METAG_GETSET_GOTOFF:
+ BFD_ASSERT (htab->sgot != NULL);
+
+ relocation -= (htab->sgot->output_section->vma +
+ htab->sgot->output_offset);
+ relocation -= GOT_REG_OFFSET;
+ break;
+ case R_METAG_GETSET_GOT:
+ {
+ bfd_vma off;
+ bfd_boolean do_got = 0;
+
+ /* Relocation is to the entry for this symbol in the
+ global offset table. */
+ if (hh != NULL)
+ {
+ bfd_boolean dyn;
+
+ off = hh->eh.got.offset;
+ dyn = htab->etab.dynamic_sections_created;
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared,
+ &hh->eh))
+ {
+ /* If we aren't going to call finish_dynamic_symbol,
+ then we need to handle initialisation of the .got
+ entry and create needed relocs here. Since the
+ offset must always be a multiple of 4, we use the
+ least significant bit to record whether we have
+ initialised it already. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ hh->eh.got.offset |= 1;
+ do_got = 1;
+ }
+ }
+ }
+ else
+ {
+ /* Local symbol case. */
+ if (local_got_offsets == NULL)
+ abort ();
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of 4. We use
+ the least significant bit to record whether we have
+ already generated the necessary reloc. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ local_got_offsets[r_symndx] |= 1;
+ do_got = 1;
+ }
+ }
+
+ if (do_got)
+ {
+ if (info->shared)
+ {
+ /* Output a dynamic relocation for this GOT entry.
+ In this case it is relative to the base of the
+ object because the symbol index is zero. */
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ asection *s = htab->srelgot;
+
+ outrel.r_offset = (off
+ + htab->sgot->output_offset
+ + htab->sgot->output_section->vma);
+ outrel.r_info = ELF32_R_INFO (0, R_METAG_RELATIVE);
+ outrel.r_addend = relocation;
+ loc = s->contents;
+ loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
+ else
+ bfd_put_32 (output_bfd, relocation,
+ htab->sgot->contents + off);
+ }
+
+ if (off >= (bfd_vma) -2)
+ abort ();
+
+ relocation = off - GOT_REG_OFFSET;
+ }
+ break;
+ case R_METAG_TLS_GD:
+ case R_METAG_TLS_IE:
+ {
+ /* XXXMJF There is room here for optimisations. For example
+ converting from GD->IE, etc. */
+ bfd_vma off;
+ int indx;
+ char tls_type;
+
+ if (htab->sgot == NULL)
+ abort();
+
+ indx = 0;
+ if (hh != NULL)
+ {
+ bfd_boolean dyn;
+ dyn = htab->etab.dynamic_sections_created;
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, &hh->eh)
+ && (!info->shared
+ || !SYMBOL_REFERENCES_LOCAL (info, &hh->eh)))
+ {
+ indx = hh->eh.dynindx;
+ }
+ off = hh->eh.got.offset;
+ tls_type = hh->tls_type;
+ }
+ else
+ {
+ /* Local symbol case. */
+ if (local_got_offsets == NULL)
+ abort ();
+
+ off = local_got_offsets[r_symndx];
+ tls_type = metag_elf_local_got_tls_type (input_bfd) [r_symndx];
+ }
+
+ if (tls_type == GOT_UNKNOWN)
+ abort();
+
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_boolean need_relocs = FALSE;
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc = NULL;
+ int cur_off = off;
+
+ /* The GOT entries have not been initialized yet. Do it
+ now, and emit any relocations. If both an IE GOT and a
+ GD GOT are necessary, we emit the GD first. */
+
+ if ((info->shared || indx != 0)
+ && (hh == NULL
+ || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT
+ || hh->eh.root.type != bfd_link_hash_undefweak))
+ {
+ need_relocs = TRUE;
+ loc = htab->srelgot->contents;
+ /* FIXME (CAO): Should this be reloc_count++ ? */
+ loc += htab->srelgot->reloc_count * sizeof (Elf32_External_Rela);
+ }
+
+ if (tls_type & GOT_TLS_GD)
+ {
+ if (need_relocs)
+ {
+ outrel.r_offset = (cur_off
+ + htab->sgot->output_section->vma
+ + htab->sgot->output_offset);
+ outrel.r_info = ELF32_R_INFO (indx, R_METAG_TLS_DTPMOD);
+ outrel.r_addend = 0;
+ bfd_put_32 (output_bfd, 0, htab->sgot->contents + cur_off);
+
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+
+ if (indx == 0)
+ bfd_put_32 (output_bfd, 0,
+ htab->sgot->contents + cur_off + 4);
+ else
+ {
+ bfd_put_32 (output_bfd, 0,
+ htab->sgot->contents + cur_off + 4);
+ outrel.r_info = ELF32_R_INFO (indx,
+ R_METAG_TLS_DTPOFF);
+ outrel.r_offset += 4;
+ bfd_elf32_swap_reloca_out (output_bfd,
+ &outrel, loc);
+ htab->srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+ }
+ }
+ else
+ {
+ /* We don't support changing the TLS model. */
+ abort ();
+ }
+
+ cur_off += 8;
+ }
+
+ if (tls_type & GOT_TLS_IE)
+ {
+ if (need_relocs)
+ {
+ outrel.r_offset = (cur_off
+ + htab->sgot->output_section->vma
+ + htab->sgot->output_offset);
+ outrel.r_info = ELF32_R_INFO (indx, R_METAG_TLS_TPOFF);
+
+ if (indx == 0)
+ outrel.r_addend = relocation - dtpoff_base (info);
+ else
+ outrel.r_addend = 0;
+
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+ }
+ else
+ bfd_put_32 (output_bfd, tpoff (info, relocation),
+ htab->sgot->contents + cur_off);
+
+ cur_off += 4;
+ }
+
+ if (hh != NULL)
+ hh->eh.got.offset |= 1;
+ else
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ /* Add the base of the GOT to the relocation value. */
+ relocation = off - GOT_REG_OFFSET;
+
+ break;
+ }
+
+ case R_METAG_TLS_IENONPIC_HI16:
+ case R_METAG_TLS_IENONPIC_LO16:
+ case R_METAG_TLS_LE_HI16:
+ case R_METAG_TLS_LE_LO16:
+ if (info->shared)
+ {
+ (*_bfd_error_handler)
+ (_("%B(%A+0x%lx): R_METAG_TLS_LE/IENONPIC relocation not permitted in shared object"),
+ input_bfd, input_section,
+ (long) rel->r_offset, howto->name);
+ return FALSE;
+ }
+ else
+ relocation = tpoff (info, relocation);
+ break;
+ case R_METAG_TLS_LDO_HI16:
+ case R_METAG_TLS_LDO_LO16:
+ if (! info->shared)
+ relocation = tpoff (info, relocation);
+ else
+ relocation -= dtpoff_base (info);
+ break;
+ case R_METAG_TLS_LDM:
+ {
+ bfd_vma off;
+
+ if (htab->sgot == NULL)
+ abort();
+ off = htab->tls_ldm_got.offset;
+ if (off & 1)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+
+ outrel.r_offset = (off
+ + htab->sgot->output_section->vma
+ + htab->sgot->output_offset);
+
+ outrel.r_addend = 0;
+ outrel.r_info = ELF32_R_INFO (0, R_METAG_TLS_DTPMOD);
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->tls_ldm_got.offset |= 1;
+ }
+
+ relocation = off - GOT_REG_OFFSET;
+ break;
+ }
+ default:
+ break;
+ }
+
+ r = metag_final_link_relocate (howto, input_bfd, input_section,
+ contents, rel, relocation, hh, htab,
+ sec);
+
+ if (r != bfd_reloc_ok)
+ {
+ const char * msg = (const char *) NULL;
+
+ switch (r)
+ {
+ case bfd_reloc_overflow:
+ r = info->callbacks->reloc_overflow
+ (info, (hh ? &hh->eh.root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset);
+ break;
+
+ case bfd_reloc_undefined:
+ r = info->callbacks->undefined_symbol
+ (info, name, input_bfd, input_section, rel->r_offset,
+ TRUE);
+ break;
+
+ case bfd_reloc_outofrange:
+ msg = _("internal error: out of range error");
+ break;
+
+ case bfd_reloc_notsupported:
+ msg = _("internal error: unsupported relocation error");
+ break;
+
+ case bfd_reloc_dangerous:
+ msg = _("internal error: dangerous relocation");
+ break;
+
+ default:
+ msg = _("internal error: unknown error");
+ break;
+ }
+
+ if (msg)
+ r = info->callbacks->warning
+ (info, msg, name, input_bfd, input_section, rel->r_offset);
+
+ if (! r)
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Create the .plt and .got sections, and set up our hash table
+ short-cuts to various dynamic sections. */
+
+static bfd_boolean
+elf_metag_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
+{
+ struct elf_metag_link_hash_table *htab;
+ struct elf_link_hash_entry *eh;
+ struct bfd_link_hash_entry *bh;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+
+ /* Don't try to create the .plt and .got twice. */
+ htab = metag_link_hash_table (info);
+ if (htab->splt != NULL)
+ return TRUE;
+
+ /* Call the generic code to do most of the work. */
+ if (! _bfd_elf_create_dynamic_sections (abfd, info))
+ return FALSE;
+
+ htab->sgot = bfd_get_section_by_name (abfd, ".got");
+ if (! htab->sgot)
+ return FALSE;
+
+ htab->sgotplt = bfd_make_section_with_flags (abfd, ".got.plt",
+ (SEC_ALLOC | SEC_LOAD |
+ SEC_HAS_CONTENTS |
+ SEC_IN_MEMORY |
+ SEC_LINKER_CREATED));
+ if (htab->sgotplt == NULL
+ || !bfd_set_section_alignment (abfd, htab->sgotplt, 2))
+ return FALSE;
+
+ /* Define the symbol __GLOBAL_OFFSET_TABLE__ at the start of the .got
+ section. We don't do this in the linker script because we don't want
+ to define the symbol if we are not creating a global offset table. */
+ bh = NULL;
+ if (!(_bfd_generic_link_add_one_symbol
+ (info, abfd, "__GLOBAL_OFFSET_TABLE__", BSF_GLOBAL, htab->sgot,
+ (bfd_vma) 0, NULL, FALSE, bed->collect, &bh)))
+ return FALSE;
+ eh = (struct elf_link_hash_entry *) bh;
+ eh->def_regular = 1;
+ eh->type = STT_OBJECT;
+ eh->other = STV_HIDDEN;
+
+ if (! info->executable
+ && ! bfd_elf_link_record_dynamic_symbol (info, eh))
+ return FALSE;
+
+ elf_hash_table (info)->hgot = eh;
+
+ htab->splt = bfd_get_section_by_name (abfd, ".plt");
+ htab->srelplt = bfd_get_section_by_name (abfd, ".rela.plt");
+
+ htab->srelgot = bfd_get_section_by_name (abfd, ".rela.got");
+
+ htab->sdynbss = bfd_get_section_by_name (abfd, ".dynbss");
+ htab->srelbss = bfd_get_section_by_name (abfd, ".rela.bss");
+
+ return TRUE;
+}
+
+/* Look through the relocs for a section during the first phase, and
+ calculate needed space in the global offset table, procedure linkage
+ table, and dynamic reloc sections. At this point we haven't
+ necessarily read all the input files. */
+
+static bfd_boolean
+elf_metag_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **eh_syms;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ struct elf_metag_link_hash_table *htab;
+ asection *sreloc;
+ bfd *dynobj;
+ int tls_type = GOT_UNKNOWN, old_tls_type = GOT_UNKNOWN;
+
+ if (info->relocatable)
+ return TRUE;
+
+ htab = metag_link_hash_table (info);
+ dynobj = htab->etab.dynobj;
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ eh_syms = elf_sym_hashes (abfd);
+ sreloc = NULL;
+
+ if (htab == NULL)
+ return FALSE;
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ int r_type;
+ struct elf_metag_link_hash_entry *hh;
+ unsigned long r_symndx;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ r_type = ELF32_R_TYPE (rel->r_info);
+ if (r_symndx < symtab_hdr->sh_info)
+ hh = NULL;
+ else
+ {
+ hh = (struct elf_metag_link_hash_entry *)
+ eh_syms[r_symndx - symtab_hdr->sh_info];
+ while (hh->eh.root.type == bfd_link_hash_indirect
+ || hh->eh.root.type == bfd_link_hash_warning)
+ hh = (struct elf_metag_link_hash_entry *) hh->eh.root.u.i.link;
+ }
+
+ /* Some relocs require a global offset table. */
+ if (htab->sgot == NULL)
+ {
+ switch (r_type)
+ {
+ case R_METAG_TLS_GD:
+ case R_METAG_TLS_LDM:
+ case R_METAG_TLS_IE:
+ if (info->shared)
+ info->flags |= DF_STATIC_TLS;
+ /* Fall through. */
+
+ case R_METAG_HI16_GOTOFF:
+ case R_METAG_LO16_GOTOFF:
+ case R_METAG_GETSET_GOTOFF:
+ case R_METAG_GETSET_GOT:
+ case R_METAG_HI16_GOTPC:
+ case R_METAG_LO16_GOTPC:
+ if (dynobj == NULL)
+ htab->etab.dynobj = dynobj = abfd;
+ if (!elf_metag_create_dynamic_sections (dynobj, info))
+ return FALSE;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ switch (r_type)
+ {
+ case R_METAG_TLS_IE:
+ case R_METAG_TLS_GD:
+ case R_METAG_GETSET_GOT:
+ switch (r_type)
+ {
+ default:
+ tls_type = GOT_NORMAL;
+ break;
+ case R_METAG_TLS_IE:
+ tls_type = GOT_TLS_IE;
+ break;
+ case R_METAG_TLS_GD:
+ tls_type = GOT_TLS_GD;
+ break;
+ }
+
+ if (hh != NULL)
+ {
+ hh->eh.got.refcount += 1;
+ old_tls_type = hh->tls_type;
+ }
+ else
+ {
+ bfd_signed_vma *local_got_refcounts;
+
+ /* This is a global offset table entry for a local
+ symbol. */
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+ if (local_got_refcounts == NULL)
+ {
+ bfd_size_type size;
+
+ size = symtab_hdr->sh_info;
+ size *= sizeof (bfd_signed_vma);
+ /* Add in space to store the local GOT TLS types. */
+ size += symtab_hdr->sh_info;
+ local_got_refcounts = ((bfd_signed_vma *)
+ bfd_zalloc (abfd, size));
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ memset (metag_elf_local_got_tls_type (abfd),
+ GOT_UNKNOWN, symtab_hdr->sh_info);
+ }
+ local_got_refcounts[r_symndx] += 1;
+ old_tls_type = metag_elf_local_got_tls_type (abfd) [r_symndx];
+ }
+
+ if (old_tls_type != tls_type)
+ {
+ if (hh != NULL)
+ {
+ hh->tls_type = tls_type;
+ }
+ else
+ {
+ metag_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
+ }
+ }
+
+ break;
+
+ case R_METAG_TLS_LDM:
+ metag_link_hash_table (info)->tls_ldm_got.refcount += 1;
+ break;
+
+ case R_METAG_RELBRANCH_PLT:
+ /* This symbol requires a procedure linkage table entry. We
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
+
+ /* If this is a local symbol, we resolve it directly without
+ creating a procedure linkage table entry. */
+ if (hh == NULL)
+ continue;
+
+ if (hh->eh.forced_local)
+ break;
+
+ hh->eh.needs_plt = 1;
+ hh->eh.plt.refcount += 1;
+ break;
+
+ case R_METAG_ADDR32:
+ case R_METAG_HIADDR16:
+ case R_METAG_LOADDR16:
+ case R_METAG_RELBRANCH:
+ case R_METAG_GETSETOFF:
+ if (hh != NULL && !info->shared)
+ {
+ hh->eh.non_got_ref = 1;
+ hh->eh.plt.refcount += 1;
+ }
+
+ /* If we are creating a shared library, and this is a reloc
+ against a global symbol, or a non PC relative reloc
+ against a local symbol, then we need to copy the reloc
+ into the shared library. However, if we are linking with
+ -Bsymbolic, we do not need to copy a reloc against a
+ global symbol which is defined in an object we are
+ including in the link (i.e., DEF_REGULAR is set). At
+ this point we have not seen all the input files, so it is
+ possible that DEF_REGULAR is not set now but will be set
+ later (it is never cleared). We account for that
+ possibility below by storing information in the
+ dyn_relocs field of the hash table entry. A similar
+ situation occurs when creating shared libraries and symbol
+ visibility changes render the symbol local.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ if ((info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && (r_type != R_METAG_RELBRANCH
+ || (hh != NULL
+ && (! info->symbolic
+ || hh->eh.root.type == bfd_link_hash_defweak
+ || !hh->eh.def_regular))))
+ || (!info->shared
+ && (sec->flags & SEC_ALLOC) != 0
+ && hh != NULL
+ && (hh->eh.root.type == bfd_link_hash_defweak
+ || !hh->eh.def_regular)))
+ {
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+ struct elf_metag_dyn_reloc_entry **hdh_head;
+
+ if (dynobj == NULL)
+ htab->etab.dynobj = dynobj = abfd;
+
+ /* When creating a shared object, we must copy these
+ relocs into the output file. We create a reloc
+ section in dynobj and make room for the reloc. */
+ if (sreloc == NULL)
+ {
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, htab->etab.dynobj, 2, abfd, /*rela?*/ TRUE);
+
+ if (sreloc == NULL)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
+
+ elf_section_data (sec)->sreloc = sreloc;
+ }
+
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (hh != NULL)
+ hdh_head = &((struct elf_metag_link_hash_entry *) hh)->dyn_relocs;
+ else
+ {
+ /* Track dynamic relocs needed for local syms too. */
+ asection *sr;
+ void *vpp;
+ Elf_Internal_Sym *isym;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ sr = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (sr == NULL)
+ sr = sec;
+
+ vpp = &elf_section_data (sr)->local_dynrel;
+ hdh_head = (struct elf_metag_dyn_reloc_entry **) vpp;
+ }
+
+ hdh_p = *hdh_head;
+ if (hdh_p == NULL || hdh_p->sec != sec)
+ {
+ hdh_p = ((struct elf_metag_dyn_reloc_entry *)
+ bfd_alloc (dynobj, sizeof *hdh_p));
+ if (hdh_p == NULL)
+ return FALSE;
+ hdh_p->hdh_next = *hdh_head;
+ *hdh_head = hdh_p;
+ hdh_p->sec = sec;
+ hdh_p->count = 0;
+ hdh_p->relative_count = 0;
+ }
+
+ hdh_p->count += 1;
+ if (ELF32_R_TYPE (rel->r_info) == R_METAG_RELBRANCH)
+ hdh_p->relative_count += 1;
+ }
+ break;
+
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_METAG_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, &hh->eh,
+ rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_METAG_GNU_VTENTRY:
+ BFD_ASSERT (hh != NULL);
+ if (hh != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, &hh->eh, rel->r_addend))
+ return FALSE;
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+elf_metag_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh_dir,
+ struct elf_link_hash_entry *eh_ind)
+{
+ struct elf_metag_link_hash_entry *hh_dir, *hh_ind;
+
+ hh_dir = metag_elf_hash_entry (eh_dir);
+ hh_ind = metag_elf_hash_entry (eh_ind);
+
+ if (hh_ind->dyn_relocs != NULL)
+ {
+ if (hh_dir->dyn_relocs != NULL)
+ {
+ struct elf_metag_dyn_reloc_entry **hdh_pp;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ if (eh_ind->root.type == bfd_link_hash_indirect)
+ abort ();
+
+ /* Add reloc counts against the weak sym to the strong sym
+ list. Merge any entries against the same section. */
+ for (hdh_pp = &hh_ind->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
+ {
+ struct elf_metag_dyn_reloc_entry *hdh_q;
+
+ for (hdh_q = hh_dir->dyn_relocs; hdh_q != NULL;
+ hdh_q = hdh_q->hdh_next)
+ if (hdh_q->sec == hdh_p->sec)
+ {
+ hdh_q->relative_count += hdh_p->relative_count;
+ hdh_q->count += hdh_p->count;
+ *hdh_pp = hdh_p->hdh_next;
+ break;
+ }
+ if (hdh_q == NULL)
+ hdh_pp = &hdh_p->hdh_next;
+ }
+ *hdh_pp = hh_dir->dyn_relocs;
+ }
+
+ hh_dir->dyn_relocs = hh_ind->dyn_relocs;
+ hh_ind->dyn_relocs = NULL;
+ }
+
+ if (eh_ind->root.type == bfd_link_hash_indirect
+ && eh_dir->got.refcount <= 0)
+ {
+ hh_dir->tls_type = hh_ind->tls_type;
+ hh_ind->tls_type = GOT_UNKNOWN;
+ }
+
+ _bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind);
+}
+
+/* Adjust a symbol defined by a dynamic object and referenced by a
+ regular object. The current definition is in some section of the
+ dynamic object, but we're not including those sections. We have to
+ change the definition to something the rest of the link can
+ understand. */
+
+static bfd_boolean
+elf_metag_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh)
+{
+ struct elf_metag_link_hash_table *htab;
+ struct elf_metag_link_hash_entry *hh;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+ asection *s;
+
+ /* If this is a function, put it in the procedure linkage table. We
+ will fill in the contents of the procedure linkage table later,
+ when we know the address of the .got section. */
+ if (eh->type == STT_FUNC
+ || eh->needs_plt)
+ {
+ if (eh->plt.refcount <= 0
+ || SYMBOL_CALLS_LOCAL (info, eh)
+ || (ELF_ST_VISIBILITY (eh->other) != STV_DEFAULT
+ && eh->root.type == bfd_link_hash_undefweak))
+ {
+ /* This case can occur if we saw a PLT reloc in an input
+ file, but the symbol was never referred to by a dynamic
+ object. In such a case, we don't actually need to build
+ a procedure linkage table, and we can just do a PCREL
+ reloc instead. */
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
+ }
+
+ return TRUE;
+ }
+ else
+ eh->plt.offset = (bfd_vma) -1;
+
+ /* If this is a weak symbol, and there is a real definition, the
+ processor independent code will have arranged for us to see the
+ real definition first, and we can just use the same value. */
+ if (eh->u.weakdef != NULL)
+ {
+ if (eh->u.weakdef->root.type != bfd_link_hash_defined
+ && eh->u.weakdef->root.type != bfd_link_hash_defweak)
+ abort ();
+ eh->root.u.def.section = eh->u.weakdef->root.u.def.section;
+ eh->root.u.def.value = eh->u.weakdef->root.u.def.value;
+ eh->non_got_ref = eh->u.weakdef->non_got_ref;
+ return TRUE;
+ }
+
+ /* This is a reference to a symbol defined by a dynamic object which
+ is not a function. */
+
+ /* If we are creating a shared library, we must presume that the
+ only references to the symbol are via the global offset table.
+ For such cases we need not do anything here; the relocations will
+ be handled correctly by relocate_section. */
+ if (info->shared)
+ return TRUE;
+
+ /* If there are no references to this symbol that do not use the
+ GOT, we don't need to generate a copy reloc. */
+ if (!eh->non_got_ref)
+ return TRUE;
+
+ /* If -z nocopyreloc was given, we won't generate them either. */
+ if (info->nocopyreloc)
+ {
+ eh->non_got_ref = 0;
+ return TRUE;
+ }
+
+ hh = (struct elf_metag_link_hash_entry *) eh;
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
+ {
+ s = hdh_p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (hdh_p == NULL)
+ {
+ eh->non_got_ref = 0;
+ return TRUE;
+ }
+
+ if (eh->size == 0)
+ {
+ (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
+ hh->eh.root.root.string);
+ return TRUE;
+ }
+
+ /* We must allocate the symbol in our .dynbss section, which will
+ become part of the .bss section of the executable. There will be
+ an entry for this symbol in the .dynsym section. The dynamic
+ object will contain position independent code, so all references
+ from the dynamic object to this symbol will go through the global
+ offset table. The dynamic linker will use the .dynsym entry to
+ determine the address it must put in the global offset table, so
+ both the dynamic object and the regular object will refer to the
+ same memory location for the variable. */
+
+ htab = metag_link_hash_table (info);
+
+ /* We must generate a COPY reloc to tell the dynamic linker to
+ copy the initial value out of the dynamic object and into the
+ runtime process image. */
+ if ((eh->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ htab->srelbss->size += sizeof (Elf32_External_Rela);
+ eh->needs_copy = 1;
+ }
+
+ s = htab->sdynbss;
+
+ return _bfd_elf_adjust_dynamic_copy (eh, s);
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+ global syms. */
+
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
+{
+ struct bfd_link_info *info;
+ struct elf_metag_link_hash_table *htab;
+ struct elf_metag_link_hash_entry *hh;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ if (eh->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ if (eh->root.type == bfd_link_hash_warning)
+ eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
+
+ info = inf;
+ htab = metag_link_hash_table (info);
+
+ if (htab->etab.dynamic_sections_created
+ && eh->plt.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (eh->dynindx == -1
+ && !eh->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, eh))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, eh))
+ {
+ asection *s = htab->splt;
+
+ /* If this is the first .plt entry, make room for the special
+ first entry. */
+ if (s->size == 0)
+ s->size += PLT_ENTRY_SIZE;
+
+ eh->plt.offset = s->size;
+
+ /* If this symbol is not defined in a regular file, and we are
+ not generating a shared library, then set the symbol to this
+ location in the .plt. This is required to make function
+ pointers compare as equal between the normal executable and
+ the shared library. */
+ if (! info->shared
+ && !eh->def_regular)
+ {
+ eh->root.u.def.section = s;
+ eh->root.u.def.value = eh->plt.offset;
+ }
+
+ /* Make room for this entry. */
+ s->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .got.plt section, which
+ will be placed in the .got section by the linker script. */
+ htab->sgotplt->size += 4;
+
+ /* We also need to make an entry in the .rel.plt section. */
+ htab->srelplt->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ {
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
+ }
+ }
+ else
+ {
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
+ }
+
+ if (eh->got.refcount > 0)
+ {
+ asection *s;
+ bfd_boolean dyn;
+ int tls_type = metag_elf_hash_entry (eh)->tls_type;
+
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (eh->dynindx == -1
+ && !eh->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, eh))
+ return FALSE;
+ }
+
+ s = htab->sgot;
+
+ eh->got.offset = s->size;
+ s->size += 4;
+ /* R_METAG_TLS_GD needs 2 consecutive GOT slots. */
+ if (tls_type == GOT_TLS_GD)
+ s->size += 4;
+ dyn = htab->etab.dynamic_sections_created;
+ /* R_METAG_TLS_IE needs one dynamic relocation if dynamic,
+ R_METAG_TLS_GD needs one if local symbol and two if global. */
+ if ((tls_type == GOT_TLS_GD && eh->dynindx == -1)
+ || (tls_type == GOT_TLS_IE && dyn))
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ else if (tls_type == GOT_TLS_GD)
+ htab->srelgot->size += 2 * sizeof (Elf32_External_Rela);
+ else if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, eh))
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ eh->got.offset = (bfd_vma) -1;
+
+ hh = (struct elf_metag_link_hash_entry *) eh;
+ if (hh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* If this is a -Bsymbolic shared link, then we need to discard all
+ space allocated for dynamic pc-relative relocs against symbols
+ defined in a regular object. For the normal shared case, discard
+ space for relocs that have become local due to symbol visibility
+ changes. */
+ if (info->shared)
+ {
+ if (SYMBOL_CALLS_LOCAL (info, eh))
+ {
+ struct elf_metag_dyn_reloc_entry **hdh_pp;
+
+ for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
+ {
+ hdh_p->count -= hdh_p->relative_count;
+ hdh_p->relative_count = 0;
+ if (hdh_p->count == 0)
+ *hdh_pp = hdh_p->hdh_next;
+ else
+ hdh_pp = &hdh_p->hdh_next;
+ }
+ }
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (hh->dyn_relocs != NULL
+ && eh->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (eh->other) != STV_DEFAULT)
+ hh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (eh->dynindx == -1
+ && !eh->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, eh))
+ return FALSE;
+ }
+ }
+ }
+ else
+ {
+ /* For the non-shared case, discard space for relocs against
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+ if (!eh->non_got_ref
+ && ((eh->def_dynamic
+ && !eh->def_regular)
+ || (htab->etab.dynamic_sections_created
+ && (eh->root.type == bfd_link_hash_undefweak
+ || eh->root.type == bfd_link_hash_undefined))))
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (eh->dynindx == -1
+ && !eh->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, eh))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (eh->dynindx != -1)
+ goto keep;
+ }
+
+ hh->dyn_relocs = NULL;
+ return TRUE;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
+ {
+ asection *sreloc = elf_section_data (hdh_p->sec)->sreloc;
+ sreloc->size += hdh_p->count * sizeof (Elf32_External_Rela);
+ }
+
+ return TRUE;
+}
+
+/* Find any dynamic relocs that apply to read-only sections. */
+
+static bfd_boolean
+readonly_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
+{
+ struct elf_metag_link_hash_entry *hh;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ if (eh->root.type == bfd_link_hash_warning)
+ eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
+
+ hh = (struct elf_metag_link_hash_entry *) eh;
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
+ {
+ asection *s = hdh_p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ {
+ struct bfd_link_info *info = inf;
+
+ info->flags |= DF_TEXTREL;
+
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/* Set the sizes of the dynamic sections. */
+
+static bfd_boolean
+elf_metag_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
+{
+ struct elf_metag_link_hash_table *htab;
+ bfd *dynobj;
+ bfd *ibfd;
+ asection *s;
+ bfd_boolean relocs;
+
+ htab = metag_link_hash_table (info);
+ dynobj = htab->etab.dynobj;
+ if (dynobj == NULL)
+ abort ();
+
+ if (htab->etab.dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (info->executable)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ if (s == NULL)
+ abort ();
+ s->size = sizeof ELF_DYNAMIC_INTERPRETER;
+ s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
+ }
+ }
+
+ /* Set up .got offsets for local syms, and space for local dynamic
+ relocs. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ {
+ bfd_signed_vma *local_got;
+ bfd_signed_vma *end_local_got;
+ bfd_size_type locsymcount;
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *srel;
+ char *local_tls_type;
+
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
+ continue;
+
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ for (hdh_p = ((struct elf_metag_dyn_reloc_entry *)
+ elf_section_data (s)->local_dynrel);
+ hdh_p != NULL;
+ hdh_p = hdh_p->hdh_next)
+ {
+ if (!bfd_is_abs_section (hdh_p->sec)
+ && bfd_is_abs_section (hdh_p->sec->output_section))
+ {
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (hdh_p->count != 0)
+ {
+ srel = elf_section_data (hdh_p->sec)->sreloc;
+ srel->size += hdh_p->count * sizeof (Elf32_External_Rela);
+ if ((hdh_p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
+ }
+ }
+ }
+
+ local_got = elf_local_got_refcounts (ibfd);
+ if (!local_got)
+ continue;
+
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ locsymcount = symtab_hdr->sh_info;
+ end_local_got = local_got + locsymcount;
+ local_tls_type = metag_elf_local_got_tls_type (ibfd);
+ s = htab->sgot;
+ srel = htab->srelgot;
+ for (; local_got < end_local_got; ++local_got)
+ {
+ if (*local_got > 0)
+ {
+ *local_got = s->size;
+ s->size += GOT_ENTRY_SIZE;
+ /* R_METAG_TLS_GD relocs need 2 consecutive GOT entries. */
+ if (*local_tls_type == GOT_TLS_GD)
+ s->size += 4;
+ if (info->shared)
+ srel->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ ++local_tls_type;
+ }
+ }
+
+ if (htab->tls_ldm_got.refcount > 0)
+ {
+ /* Allocate 2 got entries and 1 dynamic reloc for R_METAG_TLS_LDM
+ reloc. */
+ htab->tls_ldm_got.offset = htab->sgot->size;
+ htab->sgot->size += 8;
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ htab->tls_ldm_got.offset = -1;
+
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (&htab->etab, allocate_dynrelocs, info);
+
+ /* We now have determined the sizes of the various dynamic sections.
+ Allocate memory for them. */
+ relocs = FALSE;
+ for (s = dynobj->sections; s != NULL; s = s->next)
+ {
+ bfd_boolean reloc_section = FALSE;
+
+ if ((s->flags & SEC_LINKER_CREATED) == 0)
+ continue;
+
+ if (s == htab->splt
+ || s == htab->sgot
+ || s == htab->sgotplt
+ || s == htab->sdynbss)
+ {
+ /* Strip this section if we don't need it; see the
+ comment below. */
+ }
+ else if (CONST_STRNEQ (bfd_get_section_name (dynobj, s), ".rela"))
+ {
+ if (s->size != 0 && s != htab->srelplt)
+ relocs = TRUE;
+
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ s->reloc_count = 0;
+ reloc_section = TRUE;
+ }
+ else
+ {
+ /* It's not one of our sections, so don't allocate space. */
+ continue;
+ }
+
+ if (s->size == 0)
+ {
+ /* If we don't need this section, strip it from the
+ output file. This is mostly to handle .rela.bss and
+ .rela.plt. We must create both sections in
+ create_dynamic_sections, because they must be created
+ before the linker maps input sections to output
+ sections. The linker does that before
+ adjust_dynamic_symbol is called, and it is that
+ function which decides whether anything needs to go
+ into these sections. */
+ s->flags |= SEC_EXCLUDE;
+ continue;
+ }
+
+ if ((s->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
+ /* Allocate memory for the section contents. */
+ s->contents = bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+ else if (reloc_section)
+ {
+ unsigned char *contents = s->contents;
+ Elf32_External_Rela reloc;
+
+ /* Fill the reloc section with a R_METAG_NONE type reloc. */
+ memset(&reloc, 0, sizeof(Elf32_External_Rela));
+ reloc.r_info[0] = R_METAG_NONE;
+ for (; contents < (s->contents + s->size);
+ contents += sizeof(Elf32_External_Rela))
+ {
+ memcpy(contents, &reloc, sizeof(Elf32_External_Rela));
+ }
+ }
+ }
+
+ if (htab->etab.dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in elf_metag_finish_dynamic_sections, but we
+ must add the entries now so that we get the correct size for
+ the .dynamic section. The DT_DEBUG entry is filled in by the
+ dynamic linker and used by the debugger. */
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+ if (!add_dynamic_entry (DT_PLTGOT, 0))
+ return FALSE;
+
+ if (info->executable)
+ {
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (htab->srelplt->size != 0)
+ {
+ if (!add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
+ }
+
+ if (relocs)
+ {
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return FALSE;
+
+ /* If any dynamic relocs apply to a read-only section,
+ then we need a DT_TEXTREL entry. */
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->etab, readonly_dynrelocs, info);
+
+ if ((info->flags & DF_TEXTREL) != 0)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+ }
+#undef add_dynamic_entry
+
+ return TRUE;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static bfd_boolean
+elf_metag_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh,
+ Elf_Internal_Sym *sym)
+{
+ struct elf_metag_link_hash_table *htab;
+ Elf_Internal_Rela rel;
+ bfd_byte *loc;
+
+ htab = metag_link_hash_table (info);
+
+ if (eh->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *sgot;
+ asection *srela;
+
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ bfd_vma got_entry;
+
+ if (eh->plt.offset & 1)
+ abort ();
+
+ BFD_ASSERT (eh->dynindx != -1);
+
+ splt = htab->splt;
+ sgot = htab->sgotplt;
+ srela = htab->srelplt;
+ BFD_ASSERT (splt != NULL && sgot != NULL && srela != NULL);
+
+ /* Get the index in the procedure linkage table which
+ corresponds to this symbol. This is the index of this symbol
+ in all the symbols for which we are making plt entries. The
+ first entry in the procedure linkage table is reserved. */
+ plt_index = eh->plt.offset / PLT_ENTRY_SIZE - 1;
+
+ /* Get the offset into the .got.plt table of the entry that
+ corresponds to this function. */
+ got_offset = plt_index * GOT_ENTRY_SIZE;
+
+ BFD_ASSERT (got_offset < (1 << 16));
+
+ got_entry = sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset;
+
+ BFD_ASSERT (plt_index < (1 << 16));
+
+ /* Fill in the entry in the procedure linkage table. */
+ if (! info->shared)
+ {
+ bfd_put_32 (output_bfd,
+ (plt_entry[0]
+ | (((got_entry >> 16) & 0xffff) << 3)),
+ splt->contents + eh->plt.offset);
+ bfd_put_32 (output_bfd,
+ (plt_entry[1]
+ | ((got_entry & 0xffff) << 3)),
+ splt->contents + eh->plt.offset + 4);
+ bfd_put_32 (output_bfd, plt_entry[2],
+ splt->contents + eh->plt.offset + 8);
+ bfd_put_32 (output_bfd,
+ (plt_entry[3] | (plt_index << 3)),
+ splt->contents + eh->plt.offset + 12);
+ bfd_put_32 (output_bfd,
+ (plt_entry[4]
+ | ((((unsigned int) ((- (eh->plt.offset + 16)) >> 2)) & 0x7ffff) << 5)),
+ splt->contents + eh->plt.offset + 16);
+ }
+ else
+ {
+ bfd_vma addr = got_entry - (splt->output_section->vma +
+ splt->output_offset + eh->plt.offset);
+
+ bfd_put_32 (output_bfd,
+ plt_pic_entry[0] | (((addr >> 16) & 0xffff) << 3),
+ splt->contents + eh->plt.offset);
+ bfd_put_32 (output_bfd,
+ plt_pic_entry[1] | ((addr & 0xffff) << 3),
+ splt->contents + eh->plt.offset + 4);
+ bfd_put_32 (output_bfd, plt_pic_entry[2],
+ splt->contents + eh->plt.offset + 8);
+ bfd_put_32 (output_bfd,
+ (plt_pic_entry[3] | (plt_index << 3)),
+ splt->contents + eh->plt.offset + 12);
+ bfd_put_32 (output_bfd,
+ (plt_pic_entry[4]
+ + ((((unsigned int) ((- (eh->plt.offset + 16)) >> 2)) & 0x7ffff) << 5)),
+ splt->contents + eh->plt.offset + 16);
+ }
+
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset
+ + eh->plt.offset
+ + 12), /* offset within PLT entry */
+ sgot->contents + got_offset);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rel.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rel.r_info = ELF32_R_INFO (eh->dynindx, R_METAG_JMP_SLOT);
+ rel.r_addend = 0;
+ loc = htab->srelplt->contents;
+ loc += plt_index * sizeof(Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
+
+ if (!eh->def_regular)
+ {
+ /* Mark the symbol as undefined, rather than as defined in
+ the .plt section. Leave the value alone. */
+ sym->st_shndx = SHN_UNDEF;
+ }
+ }
+
+ if (eh->got.offset != (bfd_vma) -1
+ && (metag_elf_hash_entry (eh)->tls_type & GOT_TLS_GD) == 0
+ && (metag_elf_hash_entry (eh)->tls_type & GOT_TLS_IE) == 0)
+ {
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+
+ rel.r_offset = ((eh->got.offset &~ (bfd_vma) 1)
+ + htab->sgot->output_offset
+ + htab->sgot->output_section->vma);
+
+ /* If this is a -Bsymbolic link and the symbol is defined
+ locally or was forced to be local because of a version file,
+ we just want to emit a RELATIVE reloc. The entry in the
+ global offset table will already have been initialized in the
+ relocate_section function. */
+ if (info->shared
+ && (info->symbolic || eh->dynindx == -1)
+ && eh->def_regular)
+ {
+ rel.r_info = ELF32_R_INFO (0, R_METAG_RELATIVE);
+ rel.r_addend = (eh->root.u.def.value
+ + eh->root.u.def.section->output_offset
+ + eh->root.u.def.section->output_section->vma);
+ }
+ else
+ {
+ if ((eh->got.offset & 1) != 0)
+ abort ();
+ bfd_put_32 (output_bfd, 0, htab->sgot->contents + eh->got.offset);
+ rel.r_info = ELF32_R_INFO (eh->dynindx, R_METAG_GLOB_DAT);
+ rel.r_addend = 0;
+ }
+
+ loc = htab->srelgot->contents;
+ loc += htab->srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
+ }
+
+ if (eh->needs_copy)
+ {
+ asection *s;
+
+ /* This symbol needs a copy reloc. Set it up. */
+
+ if (! (eh->dynindx != -1
+ && (eh->root.type == bfd_link_hash_defined
+ || eh->root.type == bfd_link_hash_defweak)))
+ abort ();
+
+ s = htab->srelbss;
+
+ rel.r_offset = (eh->root.u.def.value
+ + eh->root.u.def.section->output_offset
+ + eh->root.u.def.section->output_section->vma);
+ rel.r_addend = 0;
+ rel.r_info = ELF32_R_INFO (eh->dynindx, R_METAG_COPY);
+ loc = s->contents + s->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rel, loc);
+ }
+
+ /* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
+ if (eh->root.root.string[0] == '_'
+ && (strcmp (eh->root.root.string, "_DYNAMIC") == 0
+ || eh == htab->etab.hgot))
+ {
+ sym->st_shndx = SHN_ABS;
+ }
+
+ return TRUE;
+}
+
+/* Set the Meta ELF ABI version. */
+
+static void
+elf_metag_post_process_headers (bfd * abfd, struct bfd_link_info * link_info ATTRIBUTE_UNUSED)
+{
+ Elf_Internal_Ehdr * i_ehdrp; /* ELF file header, internal form. */
+
+ i_ehdrp = elf_elfheader (abfd);
+ i_ehdrp->e_ident[EI_ABIVERSION] = METAG_ELF_ABI_VERSION;
+}
+
+/* Used to decide how to sort relocs in an optimal manner for the
+ dynamic linker, before writing them out. */
+
+static enum elf_reloc_type_class
+elf_metag_reloc_type_class (const Elf_Internal_Rela *rela)
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_METAG_RELATIVE:
+ return reloc_class_relative;
+ case R_METAG_JMP_SLOT:
+ return reloc_class_plt;
+ case R_METAG_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
+}
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+elf_metag_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ bfd *dynobj;
+ struct elf_metag_link_hash_table *htab;
+ asection *sdyn;
+
+ htab = metag_link_hash_table (info);
+ dynobj = htab->etab.dynobj;
+
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (htab->etab.dynamic_sections_created)
+ {
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
+
+ if (sdyn == NULL)
+ abort ();
+
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ asection *s;
+
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ default:
+ continue;
+
+ case DT_PLTGOT:
+ s = htab->sgot->output_section;
+ BFD_ASSERT (s != NULL);
+ dyn.d_un.d_ptr = s->vma + htab->sgot->output_offset;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_JMPREL:
+ s = htab->srelplt->output_section;
+ BFD_ASSERT (s != NULL);
+ dyn.d_un.d_ptr = s->vma;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_PLTRELSZ:
+ s = htab->srelplt;
+ dyn.d_un.d_val = s->size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_RELASZ:
+ /* Don't count procedure linkage table relocs in the
+ overall reloc count. */
+ if (htab->srelplt) {
+ s = htab->srelplt;
+ dyn.d_un.d_val -= s->size;
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_RELA:
+ /* We may not be using the standard ELF linker script.
+ If .rela.plt is the first .rela section, we adjust
+ DT_RELA to not include it. */
+ if (htab->srelplt) {
+ s = htab->srelplt;
+ if (dyn.d_un.d_ptr == s->output_section->vma + s->output_offset)
+ dyn.d_un.d_ptr += s->size;
+ }
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+ }
+
+ }
+
+ /* Fill in the first entry in the procedure linkage table. */
+ splt = htab->splt;
+ if (splt && splt->size > 0)
+ {
+ unsigned long addr;
+ /* addr = .got + 4 */
+ addr = htab->sgot->output_section->vma +
+ htab->sgot->output_offset + 4;
+ if (info->shared)
+ {
+ addr -= splt->output_section->vma + splt->output_offset;
+ bfd_put_32 (output_bfd,
+ plt0_pic_entry[0] | (((addr >> 16) & 0xffff) << 3),
+ splt->contents);
+ bfd_put_32 (output_bfd,
+ plt0_pic_entry[1] | ((addr & 0xffff) << 3),
+ splt->contents + 4);
+ bfd_put_32 (output_bfd, plt0_pic_entry[2], splt->contents + 8);
+ bfd_put_32 (output_bfd, plt0_pic_entry[3], splt->contents + 12);
+ bfd_put_32 (output_bfd, plt0_pic_entry[4], splt->contents + 16);
+ }
+ else
+ {
+ bfd_put_32 (output_bfd,
+ plt0_entry[0] | (((addr >> 16) & 0xffff) << 3),
+ splt->contents);
+ bfd_put_32 (output_bfd,
+ plt0_entry[1] | ((addr & 0xffff) << 3),
+ splt->contents + 4);
+ bfd_put_32 (output_bfd, plt0_entry[2], splt->contents + 8);
+ bfd_put_32 (output_bfd, plt0_entry[3], splt->contents + 12);
+ bfd_put_32 (output_bfd, plt0_entry[4], splt->contents + 16);
+ }
+
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize =
+ PLT_ENTRY_SIZE;
+ }
+ }
+
+ if (htab->sgot != NULL && htab->sgot->size != 0)
+ {
+ /* Fill in the first entry in the global offset table.
+ We use it to point to our dynamic section, if we have one. */
+ bfd_put_32 (output_bfd,
+ sdyn ? sdyn->output_section->vma + sdyn->output_offset : 0,
+ htab->sgot->contents);
+
+ /* The second entry is reserved for use by the dynamic linker. */
+ memset (htab->sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
+
+ /* Set .got entry size. */
+ elf_section_data (htab->sgot->output_section)
+ ->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
+ }
+
+ return TRUE;
+}
+
+/* Return the section that should be marked against GC for a given
+ relocation. */
+
+static asection *
+elf_metag_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rela,
+ struct elf_link_hash_entry *hh,
+ Elf_Internal_Sym *sym)
+{
+ if (hh != NULL)
+ switch ((unsigned int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_METAG_GNU_VTINHERIT:
+ case R_METAG_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rela, hh, sym);
+}
+
+/* Update the got and plt entry reference counts for the section being
+ removed. */
+
+static bfd_boolean
+elf_metag_gc_sweep_hook (bfd *abfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ asection *sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
+{
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **eh_syms;
+ bfd_signed_vma *local_got_refcounts;
+ bfd_signed_vma *local_plt_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+
+ if (info->relocatable)
+ return TRUE;
+
+ elf_section_data (sec)->local_dynrel = NULL;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ eh_syms = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+ local_plt_refcounts = local_got_refcounts;
+ if (local_plt_refcounts != NULL)
+ local_plt_refcounts += symtab_hdr->sh_info;
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ {
+ unsigned long r_symndx;
+ unsigned int r_type;
+ struct elf_link_hash_entry *eh = NULL;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf_metag_link_hash_entry *hh;
+ struct elf_metag_dyn_reloc_entry **hdh_pp;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ eh = eh_syms[r_symndx - symtab_hdr->sh_info];
+ while (eh->root.type == bfd_link_hash_indirect
+ || eh->root.type == bfd_link_hash_warning)
+ eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
+ hh = (struct elf_metag_link_hash_entry *) eh;
+
+ for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL;
+ hdh_pp = &hdh_p->hdh_next)
+ if (hdh_p->sec == sec)
+ {
+ /* Everything must go for SEC. */
+ *hdh_pp = hdh_p->hdh_next;
+ break;
+ }
+ }
+
+ r_type = ELF32_R_TYPE (rel->r_info);
+ switch (r_type)
+ {
+ case R_METAG_TLS_LDM:
+ if (metag_link_hash_table (info)->tls_ldm_got.refcount > 0)
+ metag_link_hash_table (info)->tls_ldm_got.refcount -= 1;
+ break;
+ case R_METAG_TLS_IE:
+ case R_METAG_TLS_GD:
+ case R_METAG_GETSET_GOT:
+ if (eh != NULL)
+ {
+ if (eh->got.refcount > 0)
+ eh->got.refcount -= 1;
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx] -= 1;
+ }
+ break;
+
+ case R_METAG_RELBRANCH_PLT:
+ if (eh != NULL)
+ {
+ if (eh->plt.refcount > 0)
+ eh->plt.refcount -= 1;
+ }
+ break;
+
+ case R_METAG_ADDR32:
+ case R_METAG_HIADDR16:
+ case R_METAG_LOADDR16:
+ case R_METAG_GETSETOFF:
+ case R_METAG_RELBRANCH:
+ if (eh != NULL)
+ {
+ struct elf_metag_link_hash_entry *hh;
+ struct elf_metag_dyn_reloc_entry **hdh_pp;
+ struct elf_metag_dyn_reloc_entry *hdh_p;
+
+ if (!info->shared && eh->plt.refcount > 0)
+ eh->plt.refcount -= 1;
+
+ hh = (struct elf_metag_link_hash_entry *) eh;
+
+ for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL;
+ hdh_pp = &hdh_p->hdh_next)
+ if (hdh_p->sec == sec)
+ {
+ if (ELF32_R_TYPE (rel->r_info) == R_METAG_RELBRANCH)
+ hdh_p->relative_count -= 1;
+ hdh_p->count -= 1;
+ if (hdh_p->count == 0)
+ *hdh_pp = hdh_p->hdh_next;
+ break;
+ }
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Determine the type of stub needed, if any, for a call. */
+
+static enum elf_metag_stub_type
+metag_type_of_stub (asection *input_sec,
+ const Elf_Internal_Rela *rel,
+ struct elf_metag_link_hash_entry *hh,
+ bfd_vma destination,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
+{
+ bfd_vma location;
+ bfd_vma branch_offset;
+ bfd_vma max_branch_offset;
+
+ if (hh != NULL &&
+ !(hh->eh.root.type == bfd_link_hash_defined
+ || hh->eh.root.type == bfd_link_hash_defweak))
+ return metag_stub_none;
+
+ /* Determine where the call point is. */
+ location = (input_sec->output_offset
+ + input_sec->output_section->vma
+ + rel->r_offset);
+
+ branch_offset = destination - location;
+
+ /* Determine if a long branch stub is needed. Meta branch offsets
+ are signed 19 bits 4 byte aligned. */
+ max_branch_offset = (1 << (BRANCH_BITS-1)) << 2;
+
+ if (branch_offset + max_branch_offset >= 2*max_branch_offset)
+ {
+ if (info->shared)
+ return metag_stub_long_branch_shared;
+ else
+ return metag_stub_long_branch;
+ }
+
+ return metag_stub_none;
+}
+
+#define MOVT_A0_3 0x82180005
+#define JUMP_A0_3 0xac180003
+
+#define MOVT_A1LBP 0x83080005
+#define ADD_A1LBP 0x83080000
+
+#define ADDT_A0_3_CPC 0x82980001
+#define ADD_A0_3_A0_3 0x82180000
+#define MOV_PC_A0_3 0xa3180ca0
+
+static bfd_boolean
+metag_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg ATTRIBUTE_UNUSED)
+{
+ struct elf_metag_stub_hash_entry *hsh;
+ asection *stub_sec;
+ bfd *stub_bfd;
+ bfd_byte *loc;
+ bfd_vma sym_value;
+ int size;
+
+ /* Massage our args to the form they really have. */
+ hsh = (struct elf_metag_stub_hash_entry *) gen_entry;
+
+ stub_sec = hsh->stub_sec;
+
+ /* Make a note of the offset within the stubs for this entry. */
+ hsh->stub_offset = stub_sec->size;
+ loc = stub_sec->contents + hsh->stub_offset;
+
+ stub_bfd = stub_sec->owner;
+
+ switch (hsh->stub_type)
+ {
+ case metag_stub_long_branch_shared:
+ /* A PIC long branch stub is an ADDT and an ADD instruction used to
+ calculate the jump target using A0.3 as a temporary. Then a MOV
+ to PC carries out the jump. */
+ sym_value = (hsh->target_value
+ + hsh->target_section->output_offset
+ + hsh->target_section->output_section->vma
+ + hsh->addend);
+
+ sym_value -= (hsh->stub_offset
+ + stub_sec->output_offset
+ + stub_sec->output_section->vma);
+
+ bfd_put_32 (stub_bfd, ADDT_A0_3_CPC | (((sym_value >> 16) & 0xffff) << 3),
+ loc);
+
+ bfd_put_32 (stub_bfd, ADD_A0_3_A0_3 | ((sym_value & 0xffff) << 3),
+ loc + 4);
+
+ bfd_put_32 (stub_bfd, MOV_PC_A0_3, loc + 8);
+
+ size = 12;
+ break;
+ case metag_stub_long_branch:
+ /* A standard long branch stub is a MOVT instruction followed by a
+ JUMP instruction using the A0.3 register as a temporary. This is
+ the same method used by the LDLK linker (patch.c). */
+ sym_value = (hsh->target_value
+ + hsh->target_section->output_offset
+ + hsh->target_section->output_section->vma
+ + hsh->addend);
+
+ bfd_put_32 (stub_bfd, MOVT_A0_3 | (((sym_value >> 16) & 0xffff) << 3),
+ loc);
+
+ bfd_put_32 (stub_bfd, JUMP_A0_3 | ((sym_value & 0xffff) << 3), loc + 4);
+
+ size = 8;
+ break;
+ default:
+ BFD_FAIL ();
+ return FALSE;
+ }
+
+ stub_sec->size += size;
+ return TRUE;
+}
+
+/* As above, but don't actually build the stub. Just bump offset so
+ we know stub section sizes. */
+
+static bfd_boolean
+metag_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg ATTRIBUTE_UNUSED)
+{
+ struct elf_metag_stub_hash_entry *hsh;
+ int size = 0;
+
+ /* Massage our args to the form they really have. */
+ hsh = (struct elf_metag_stub_hash_entry *) gen_entry;
+
+ if (hsh->stub_type == metag_stub_long_branch)
+ size = 8;
+ else if (hsh->stub_type == metag_stub_long_branch_shared)
+ size = 12;
+
+ hsh->stub_sec->size += size;
+ return TRUE;
+}
+
+/* Set up various things so that we can make a list of input sections
+ for each output section included in the link. Returns -1 on error,
+ 0 when no stubs will be needed, and 1 on success. */
+
+int
+elf_metag_setup_section_lists (bfd *output_bfd, struct bfd_link_info *info)
+{
+ bfd *input_bfd;
+ unsigned int bfd_count;
+ int top_id, top_index;
+ asection *section;
+ asection **input_list, **list;
+ bfd_size_type amt;
+ struct elf_metag_link_hash_table *htab = metag_link_hash_table (info);
+
+ /* Count the number of input BFDs and find the top input section id. */
+ for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
+ input_bfd != NULL;
+ input_bfd = input_bfd->link_next)
+ {
+ bfd_count += 1;
+ for (section = input_bfd->sections;
+ section != NULL;
+ section = section->next)
+ {
+ if (top_id < section->id)
+ top_id = section->id;
+ }
+ }
+
+ htab->bfd_count = bfd_count;
+
+ amt = sizeof (struct map_stub) * (top_id + 1);
+ htab->stub_group = bfd_zmalloc (amt);
+ if (htab->stub_group == NULL)
+ return -1;
+
+ /* We can't use output_bfd->section_count here to find the top output
+ section index as some sections may have been removed, and
+ strip_excluded_output_sections doesn't renumber the indices. */
+ for (section = output_bfd->sections, top_index = 0;
+ section != NULL;
+ section = section->next)
+ {
+ if (top_index < section->index)
+ top_index = section->index;
+ }
+
+ htab->top_index = top_index;
+ amt = sizeof (asection *) * (top_index + 1);
+ input_list = bfd_malloc (amt);
+ htab->input_list = input_list;
+ if (input_list == NULL)
+ return -1;
+
+ /* For sections we aren't interested in, mark their entries with a
+ value we can check later. */
+ list = input_list + top_index;
+ do
+ *list = bfd_abs_section_ptr;
+ while (list-- != input_list);
+
+ for (section = output_bfd->sections;
+ section != NULL;
+ section = section->next)
+ {
+ /* FIXME: This is a bit of hack. Currently our .ctors and .dtors
+ * have PC relative relocs in them but no code flag set. */
+ if (((section->flags & SEC_CODE) != 0) ||
+ strcmp(".ctors", section->name) ||
+ strcmp(".dtors", section->name))
+ input_list[section->index] = NULL;
+ }
+
+ return 1;
+}
+
+/* The linker repeatedly calls this function for each input section,
+ in the order that input sections are linked into output sections.
+ Build lists of input sections to determine groupings between which
+ we may insert linker stubs. */
+
+void
+elf_metag_next_input_section (struct bfd_link_info *info, asection *isec)
+{
+ struct elf_metag_link_hash_table *htab = metag_link_hash_table (info);
+
+ if (isec->output_section->index <= htab->top_index)
+ {
+ asection **list = htab->input_list + isec->output_section->index;
+ if (*list != bfd_abs_section_ptr)
+ {
+ /* Steal the link_sec pointer for our list. */
+#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
+ /* This happens to make the list in reverse order,
+ which is what we want. */
+ PREV_SEC (isec) = *list;
+ *list = isec;
+ }
+ }
+}
+
+/* See whether we can group stub sections together. Grouping stub
+ sections may result in fewer stubs. More importantly, we need to
+ put all .init* and .fini* stubs at the beginning of the .init or
+ .fini output sections respectively, because glibc splits the
+ _init and _fini functions into multiple parts. Putting a stub in
+ the middle of a function is not a good idea. */
+
+static void
+group_sections (struct elf_metag_link_hash_table *htab,
+ bfd_size_type stub_group_size,
+ bfd_boolean stubs_always_before_branch)
+{
+ asection **list = htab->input_list + htab->top_index;
+ do
+ {
+ asection *tail = *list;
+ if (tail == bfd_abs_section_ptr)
+ continue;
+ while (tail != NULL)
+ {
+ asection *curr;
+ asection *prev;
+ bfd_size_type total;
+ bfd_boolean big_sec;
+
+ curr = tail;
+ total = tail->size;
+ big_sec = total >= stub_group_size;
+
+ while ((prev = PREV_SEC (curr)) != NULL
+ && ((total += curr->output_offset - prev->output_offset)
+ < stub_group_size))
+ curr = prev;
+
+ /* OK, the size from the start of CURR to the end is less
+ than stub_group_size bytes and thus can be handled by one stub
+ section. (or the tail section is itself larger than
+ stub_group_size bytes, in which case we may be toast.)
+ We should really be keeping track of the total size of
+ stubs added here, as stubs contribute to the final output
+ section size. */
+ do
+ {
+ prev = PREV_SEC (tail);
+ /* Set up this stub group. */
+ htab->stub_group[tail->id].link_sec = curr;
+ }
+ while (tail != curr && (tail = prev) != NULL);
+
+ /* But wait, there's more! Input sections up to stub_group_size
+ bytes before the stub section can be handled by it too.
+ Don't do this if we have a really large section after the
+ stubs, as adding more stubs increases the chance that
+ branches may not reach into the stub section. */
+ if (!stubs_always_before_branch && !big_sec)
+ {
+ total = 0;
+ while (prev != NULL
+ && ((total += tail->output_offset - prev->output_offset)
+ < stub_group_size))
+ {
+ tail = prev;
+ prev = PREV_SEC (tail);
+ htab->stub_group[tail->id].link_sec = curr;
+ }
+ }
+ tail = prev;
+ }
+ }
+ while (list-- != htab->input_list);
+ free (htab->input_list);
+#undef PREV_SEC
+}
+
+/* Read in all local syms for all input bfds.
+ Returns -1 on error, 0 otherwise. */
+
+static int
+get_local_syms (bfd *output_bfd ATTRIBUTE_UNUSED, bfd *input_bfd,
+ struct bfd_link_info *info)
+{
+ unsigned int bfd_indx;
+ Elf_Internal_Sym *local_syms, **all_local_syms;
+ int stub_changed = 0;
+ struct elf_metag_link_hash_table *htab = metag_link_hash_table (info);
+
+ /* We want to read in symbol extension records only once. To do this
+ we need to read in the local symbols in parallel and save them for
+ later use; so hold pointers to the local symbols in an array. */
+ bfd_size_type amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
+ all_local_syms = bfd_zmalloc (amt);
+ htab->all_local_syms = all_local_syms;
+ if (all_local_syms == NULL)
+ return -1;
+
+ /* Walk over all the input BFDs, swapping in local symbols. */
+ for (bfd_indx = 0;
+ input_bfd != NULL;
+ input_bfd = input_bfd->link_next, bfd_indx++)
+ {
+ Elf_Internal_Shdr *symtab_hdr;
+
+ /* We'll need the symbol table in a second. */
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ if (symtab_hdr->sh_info == 0)
+ continue;
+
+ /* We need an array of the local symbols attached to the input bfd. */
+ local_syms = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (local_syms == NULL)
+ {
+ local_syms = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ /* Cache them for elf_link_input_bfd. */
+ symtab_hdr->contents = (unsigned char *) local_syms;
+ }
+ if (local_syms == NULL)
+ return -1;
+
+ all_local_syms[bfd_indx] = local_syms;
+ }
+
+ return stub_changed;
+}
+
+/* Determine and set the size of the stub section for a final link.
+
+The basic idea here is to examine all the relocations looking for
+PC-relative calls to a target that is unreachable with a "CALLR"
+instruction. */
+
+/* See elf32-hppa.c and elf64-ppc.c. */
+
+bfd_boolean
+elf_metag_size_stubs(bfd *output_bfd, bfd *stub_bfd,
+ struct bfd_link_info *info,
+ bfd_signed_vma group_size,
+ asection * (*add_stub_section) (const char *, asection *),
+ void (*layout_sections_again) (void))
+{
+ bfd_size_type stub_group_size;
+ bfd_boolean stubs_always_before_branch;
+ bfd_boolean stub_changed;
+ struct elf_metag_link_hash_table *htab = metag_link_hash_table (info);
+
+ /* Stash our params away. */
+ htab->stub_bfd = stub_bfd;
+ htab->add_stub_section = add_stub_section;
+ htab->layout_sections_again = layout_sections_again;
+ stubs_always_before_branch = group_size < 0;
+ if (group_size < 0)
+ stub_group_size = -group_size;
+ else
+ stub_group_size = group_size;
+ if (stub_group_size == 1)
+ {
+ /* Default values. */
+ /* FIXME: not sure what these values should be */
+ if (stubs_always_before_branch)
+ {
+ stub_group_size = (1 << BRANCH_BITS);
+ }
+ else
+ {
+ stub_group_size = (1 << BRANCH_BITS);
+ }
+ }
+
+ group_sections (htab, stub_group_size, stubs_always_before_branch);
+
+ switch (get_local_syms (output_bfd, info->input_bfds, info))
+ {
+ default:
+ if (htab->all_local_syms)
+ goto error_ret_free_local;
+ return FALSE;
+
+ case 0:
+ stub_changed = FALSE;
+ break;
+
+ case 1:
+ stub_changed = TRUE;
+ break;
+ }
+
+ while (1)
+ {
+ bfd *input_bfd;
+ unsigned int bfd_indx;
+ asection *stub_sec;
+
+ for (input_bfd = info->input_bfds, bfd_indx = 0;
+ input_bfd != NULL;
+ input_bfd = input_bfd->link_next, bfd_indx++)
+ {
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *section;
+ Elf_Internal_Sym *local_syms;
+
+ /* We'll need the symbol table in a second. */
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ if (symtab_hdr->sh_info == 0)
+ continue;
+
+ local_syms = htab->all_local_syms[bfd_indx];
+
+ /* Walk over each section attached to the input bfd. */
+ for (section = input_bfd->sections;
+ section != NULL;
+ section = section->next)
+ {
+ Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
+
+ /* If there aren't any relocs, then there's nothing more
+ to do. */
+ if ((section->flags & SEC_RELOC) == 0
+ || section->reloc_count == 0)
+ continue;
+
+ /* If this section is a link-once section that will be
+ discarded, then don't create any stubs. */
+ if (section->output_section == NULL
+ || section->output_section->owner != output_bfd)
+ continue;
+
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf_link_read_relocs (input_bfd, section, NULL, NULL,
+ info->keep_memory);
+ if (internal_relocs == NULL)
+ goto error_ret_free_local;
+
+ /* Now examine each relocation. */
+ irela = internal_relocs;
+ irelaend = irela + section->reloc_count;
+ for (; irela < irelaend; irela++)
+ {
+ unsigned int r_type, r_indx;
+ enum elf_metag_stub_type stub_type;
+ struct elf_metag_stub_hash_entry *hsh;
+ asection *sym_sec;
+ bfd_vma sym_value;
+ bfd_vma destination;
+ struct elf_metag_link_hash_entry *hh;
+ char *stub_name;
+ const asection *id_sec;
+
+ r_type = ELF32_R_TYPE (irela->r_info);
+ r_indx = ELF32_R_SYM (irela->r_info);
+
+ if (r_type >= (unsigned int) R_METAG_MAX)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ goto error_ret_free_local;
+ }
+
+ /* Only look for stubs on CALLR and B instructions. */
+ if (!(r_type == (unsigned int) R_METAG_RELBRANCH ||
+ r_type == (unsigned int) R_METAG_RELBRANCH_PLT))
+ continue;
+
+ /* Now determine the call target, its name, value,
+ section. */
+ sym_sec = NULL;
+ sym_value = 0;
+ destination = 0;
+ hh = NULL;
+ if (r_indx < symtab_hdr->sh_info)
+ {
+ /* It's a local symbol. */
+ Elf_Internal_Sym *sym;
+ Elf_Internal_Shdr *hdr;
+ unsigned int shndx;
+
+ sym = local_syms + r_indx;
+ if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ sym_value = sym->st_value;
+ shndx = sym->st_shndx;
+ if (shndx < elf_numsections (input_bfd))
+ {
+ hdr = elf_elfsections (input_bfd)[shndx];
+ sym_sec = hdr->bfd_section;
+ destination = (sym_value + irela->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
+ }
+ else
+ {
+ /* It's an external symbol. */
+ int e_indx;
+
+ e_indx = r_indx - symtab_hdr->sh_info;
+ hh = ((struct elf_metag_link_hash_entry *)
+ elf_sym_hashes (input_bfd)[e_indx]);
+
+ while (hh->eh.root.type == bfd_link_hash_indirect
+ || hh->eh.root.type == bfd_link_hash_warning)
+ hh = ((struct elf_metag_link_hash_entry *)
+ hh->eh.root.u.i.link);
+
+ if (hh->eh.root.type == bfd_link_hash_defined
+ || hh->eh.root.type == bfd_link_hash_defweak)
+ {
+ sym_sec = hh->eh.root.u.def.section;
+ sym_value = hh->eh.root.u.def.value;
+ if (hh->eh.plt.offset != (bfd_vma) -1
+ && hh->eh.dynindx != -1
+ && r_type == (unsigned int) R_METAG_RELBRANCH_PLT)
+ {
+ sym_sec = htab->splt;
+ sym_value = hh->eh.plt.offset;
+ }
+
+ if (sym_sec->output_section != NULL)
+ destination = (sym_value + irela->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ else
+ continue;
+ }
+ else if (hh->eh.root.type == bfd_link_hash_undefweak)
+ {
+ if (! info->shared)
+ continue;
+ }
+ else if (hh->eh.root.type == bfd_link_hash_undefined)
+ {
+ if (! (info->unresolved_syms_in_objects == RM_IGNORE
+ && (ELF_ST_VISIBILITY (hh->eh.other)
+ == STV_DEFAULT)))
+ continue;
+ }
+ else
+ {
+ bfd_set_error (bfd_error_bad_value);
+ goto error_ret_free_internal;
+ }
+ }
+
+ /* Determine what (if any) linker stub is needed. */
+ stub_type = metag_type_of_stub (section, irela, hh,
+ destination, info);
+ if (stub_type == metag_stub_none)
+ continue;
+
+ /* Support for grouping stub sections. */
+ id_sec = htab->stub_group[section->id].link_sec;
+
+ /* Get the name of this stub. */
+ stub_name = metag_stub_name (id_sec, sym_sec, hh, irela);
+ if (!stub_name)
+ goto error_ret_free_internal;
+
+ hsh = metag_stub_hash_lookup (&htab->bstab,
+ stub_name,
+ FALSE, FALSE);
+ if (hsh != NULL)
+ {
+ /* The proper stub has already been created. */
+ free (stub_name);
+ continue;
+ }
+
+ hsh = metag_add_stub (stub_name, section, htab);
+ if (hsh == NULL)
+ {
+ free (stub_name);
+ goto error_ret_free_internal;
+ }
+ hsh->target_value = sym_value;
+ hsh->target_section = sym_sec;
+ hsh->stub_type = stub_type;
+ hsh->hh = hh;
+ hsh->addend = irela->r_addend;
+ stub_changed = TRUE;
+ }
+
+ /* We're done with the internal relocs, free them. */
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ }
+ }
+
+ if (!stub_changed)
+ break;
+
+ /* OK, we've added some stubs. Find out the new size of the
+ stub sections. */
+ for (stub_sec = htab->stub_bfd->sections;
+ stub_sec != NULL;
+ stub_sec = stub_sec->next)
+ stub_sec->size = 0;
+
+ bfd_hash_traverse (&htab->bstab, metag_size_one_stub, htab);
+
+ /* Ask the linker to do its stuff. */
+ (*htab->layout_sections_again) ();
+ stub_changed = FALSE;
+ }
+
+ free (htab->all_local_syms);
+ return TRUE;
+
+ error_ret_free_local:
+ free (htab->all_local_syms);
+ return FALSE;
+}
+
+/* Build all the stubs associated with the current output file. The
+ stubs are kept in a hash table attached to the main linker hash
+ table. This function is called via metagelf_finish in the linker. */
+
+bfd_boolean
+elf_metag_build_stubs (struct bfd_link_info *info)
+{
+ asection *stub_sec;
+ struct bfd_hash_table *table;
+ struct elf_metag_link_hash_table *htab;
+
+ htab = metag_link_hash_table (info);
+
+ for (stub_sec = htab->stub_bfd->sections;
+ stub_sec != NULL;
+ stub_sec = stub_sec->next)
+ {
+ bfd_size_type size;
+
+ /* Allocate memory to hold the linker stubs. */
+ size = stub_sec->size;
+ stub_sec->contents = bfd_zalloc (htab->stub_bfd, size);
+ if (stub_sec->contents == NULL && size != 0)
+ return FALSE;
+ stub_sec->size = 0;
+ }
+
+ /* Build the stubs as directed by the stub hash table. */
+ table = &htab->bstab;
+ bfd_hash_traverse (table, metag_build_one_stub, info);
+
+ return TRUE;
+}
+
+/* Return TRUE if SYM represents a local label symbol. */
+
+static bfd_boolean
+elf_metag_is_local_label_name (bfd *abfd ATTRIBUTE_UNUSED, const char *name)
+{
+ if (name[0] == '$' && name[1] == 'L')
+ return 1;
+ return _bfd_elf_is_local_label_name (abfd, name);
+}
+
+/* Return address for Ith PLT stub in section PLT, for relocation REL
+ or (bfd_vma) -1 if it should not be included. */
+
+static bfd_vma
+elf_metag_plt_sym_val (bfd_vma i, const asection *plt,
+ const arelent *rel ATTRIBUTE_UNUSED)
+{
+ return plt->vma + (i + 1) * PLT_ENTRY_SIZE;
+}
+
+#define ELF_ARCH bfd_arch_metag
+#define ELF_TARGET_ID METAG_ELF_DATA
+#define ELF_MACHINE_CODE EM_METAG
+#define ELF_MINPAGESIZE 0x1000
+#define ELF_MAXPAGESIZE 0x4000
+#define ELF_COMMONPAGESIZE 0x1000
+
+#define TARGET_LITTLE_SYM bfd_elf32_metag_vec
+#define TARGET_LITTLE_NAME "elf32-metag"
+
+#define elf_symbol_leading_char '_'
+
+#define elf_info_to_howto_rel NULL
+#define elf_info_to_howto metag_info_to_howto_rela
+
+#define bfd_elf32_bfd_is_local_label_name elf_metag_is_local_label_name
+#define bfd_elf32_bfd_link_hash_table_create \
+ elf_metag_link_hash_table_create
+#define bfd_elf32_bfd_link_hash_table_free elf_metag_link_hash_table_free
+#define elf_backend_relocate_section elf_metag_relocate_section
+#define elf_backend_gc_mark_hook elf_metag_gc_mark_hook
+#define elf_backend_gc_sweep_hook elf_metag_gc_sweep_hook
+#define elf_backend_check_relocs elf_metag_check_relocs
+#define elf_backend_create_dynamic_sections elf_metag_create_dynamic_sections
+#define elf_backend_adjust_dynamic_symbol elf_metag_adjust_dynamic_symbol
+#define elf_backend_finish_dynamic_symbol elf_metag_finish_dynamic_symbol
+#define elf_backend_finish_dynamic_sections elf_metag_finish_dynamic_sections
+#define elf_backend_size_dynamic_sections elf_metag_size_dynamic_sections
+#define elf_backend_omit_section_dynsym \
+ ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
+#define elf_backend_post_process_headers elf_metag_post_process_headers
+#define elf_backend_reloc_type_class elf_metag_reloc_type_class
+#define elf_backend_copy_indirect_symbol elf_metag_copy_indirect_symbol
+#define elf_backend_plt_sym_val elf_metag_plt_sym_val
+
+#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
+#define elf_backend_got_header_size 12
+#define elf_backend_rela_normal 1
+#define elf_backend_want_got_sym 0
+#define elf_backend_want_plt_sym 0
+#define elf_backend_plt_readonly 1
+
+#define bfd_elf32_bfd_reloc_type_lookup metag_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup metag_reloc_name_lookup
+
+#include "elf32-target.h"
diff --git a/bfd/elf32-metag.h b/bfd/elf32-metag.h
new file mode 100644
index 0000000..46772e0
--- /dev/null
+++ b/bfd/elf32-metag.h
@@ -0,0 +1,38 @@
+/* Meta support for 32-bit ELF
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ Contributed by Imagination Technologies Ltd.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#ifndef _ELF32_METAG_H
+#define _ELF32_METAG_H
+
+extern int elf_metag_setup_section_lists
+ (bfd *, struct bfd_link_info *);
+
+extern void elf_metag_next_input_section
+ (struct bfd_link_info *, asection *);
+
+extern bfd_boolean elf_metag_size_stubs
+ (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
+ asection * (*) (const char *, asection *), void (*) (void));
+
+extern bfd_boolean elf_metag_build_stubs
+ (struct bfd_link_info *);
+
+#endif /* _ELF32_METAG_H */
diff --git a/bfd/libbfd.h b/bfd/libbfd.h
index 362e35f..d548143 100644
--- a/bfd/libbfd.h
+++ b/bfd/libbfd.h
@@ -1844,6 +1844,44 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@",
"BFD_RELOC_MEP_GNU_VTINHERIT",
"BFD_RELOC_MEP_GNU_VTENTRY",
+ "BFD_RELOC_METAG_HIADDR16",
+ "BFD_RELOC_METAG_LOADDR16",
+ "BFD_RELOC_METAG_RELBRANCH",
+ "BFD_RELOC_METAG_GETSETOFF",
+ "BFD_RELOC_METAG_HIOG",
+ "BFD_RELOC_METAG_LOOG",
+ "BFD_RELOC_METAG_REL8",
+ "BFD_RELOC_METAG_REL16",
+ "BFD_RELOC_METAG_HI16_GOTOFF",
+ "BFD_RELOC_METAG_LO16_GOTOFF",
+ "BFD_RELOC_METAG_GETSET_GOTOFF",
+ "BFD_RELOC_METAG_GETSET_GOT",
+ "BFD_RELOC_METAG_HI16_GOTPC",
+ "BFD_RELOC_METAG_LO16_GOTPC",
+ "BFD_RELOC_METAG_HI16_PLT",
+ "BFD_RELOC_METAG_LO16_PLT",
+ "BFD_RELOC_METAG_RELBRANCH_PLT",
+ "BFD_RELOC_METAG_GOTOFF",
+ "BFD_RELOC_METAG_PLT",
+ "BFD_RELOC_METAG_COPY",
+ "BFD_RELOC_METAG_JMP_SLOT",
+ "BFD_RELOC_METAG_RELATIVE",
+ "BFD_RELOC_METAG_GLOB_DAT",
+ "BFD_RELOC_METAG_TLS_GD",
+ "BFD_RELOC_METAG_TLS_LDM",
+ "BFD_RELOC_METAG_TLS_LDO_HI16",
+ "BFD_RELOC_METAG_TLS_LDO_LO16",
+ "BFD_RELOC_METAG_TLS_LDO",
+ "BFD_RELOC_METAG_TLS_IE",
+ "BFD_RELOC_METAG_TLS_IENONPIC",
+ "BFD_RELOC_METAG_TLS_IENONPIC_HI16",
+ "BFD_RELOC_METAG_TLS_IENONPIC_LO16",
+ "BFD_RELOC_METAG_TLS_TPOFF",
+ "BFD_RELOC_METAG_TLS_DTPMOD",
+ "BFD_RELOC_METAG_TLS_DTPOFF",
+ "BFD_RELOC_METAG_TLS_LE",
+ "BFD_RELOC_METAG_TLS_LE_HI16",
+ "BFD_RELOC_METAG_TLS_LE_LO16",
"BFD_RELOC_MMIX_GETA",
"BFD_RELOC_MMIX_GETA_1",
"BFD_RELOC_MMIX_GETA_2",
diff --git a/bfd/reloc.c b/bfd/reloc.c
index 3f88049..1cc48d7 100644
--- a/bfd/reloc.c
+++ b/bfd/reloc.c
@@ -4198,6 +4198,85 @@ ENUMDOC
COMMENT
ENUM
+ BFD_RELOC_METAG_HIADDR16
+ENUMX
+ BFD_RELOC_METAG_LOADDR16
+ENUMX
+ BFD_RELOC_METAG_RELBRANCH
+ENUMX
+ BFD_RELOC_METAG_GETSETOFF
+ENUMX
+ BFD_RELOC_METAG_HIOG
+ENUMX
+ BFD_RELOC_METAG_LOOG
+ENUMX
+ BFD_RELOC_METAG_REL8
+ENUMX
+ BFD_RELOC_METAG_REL16
+ENUMX
+ BFD_RELOC_METAG_HI16_GOTOFF
+ENUMX
+ BFD_RELOC_METAG_LO16_GOTOFF
+ENUMX
+ BFD_RELOC_METAG_GETSET_GOTOFF
+ENUMX
+ BFD_RELOC_METAG_GETSET_GOT
+ENUMX
+ BFD_RELOC_METAG_HI16_GOTPC
+ENUMX
+ BFD_RELOC_METAG_LO16_GOTPC
+ENUMX
+ BFD_RELOC_METAG_HI16_PLT
+ENUMX
+ BFD_RELOC_METAG_LO16_PLT
+ENUMX
+ BFD_RELOC_METAG_RELBRANCH_PLT
+ENUMX
+ BFD_RELOC_METAG_GOTOFF
+ENUMX
+ BFD_RELOC_METAG_PLT
+ENUMX
+ BFD_RELOC_METAG_COPY
+ENUMX
+ BFD_RELOC_METAG_JMP_SLOT
+ENUMX
+ BFD_RELOC_METAG_RELATIVE
+ENUMX
+ BFD_RELOC_METAG_GLOB_DAT
+ENUMX
+ BFD_RELOC_METAG_TLS_GD
+ENUMX
+ BFD_RELOC_METAG_TLS_LDM
+ENUMX
+ BFD_RELOC_METAG_TLS_LDO_HI16
+ENUMX
+ BFD_RELOC_METAG_TLS_LDO_LO16
+ENUMX
+ BFD_RELOC_METAG_TLS_LDO
+ENUMX
+ BFD_RELOC_METAG_TLS_IE
+ENUMX
+ BFD_RELOC_METAG_TLS_IENONPIC
+ENUMX
+ BFD_RELOC_METAG_TLS_IENONPIC_HI16
+ENUMX
+ BFD_RELOC_METAG_TLS_IENONPIC_LO16
+ENUMX
+ BFD_RELOC_METAG_TLS_TPOFF
+ENUMX
+ BFD_RELOC_METAG_TLS_DTPMOD
+ENUMX
+ BFD_RELOC_METAG_TLS_DTPOFF
+ENUMX
+ BFD_RELOC_METAG_TLS_LE
+ENUMX
+ BFD_RELOC_METAG_TLS_LE_HI16
+ENUMX
+ BFD_RELOC_METAG_TLS_LE_LO16
+ENUMDOC
+ Imagination Technologies Meta relocations.
+
+ENUM
BFD_RELOC_MMIX_GETA
ENUMX
BFD_RELOC_MMIX_GETA_1
diff --git a/bfd/targets.c b/bfd/targets.c
index 0ca6a1a..17553eb 100644
--- a/bfd/targets.c
+++ b/bfd/targets.c
@@ -659,6 +659,7 @@ extern const bfd_target bfd_elf32_mcore_big_vec;
extern const bfd_target bfd_elf32_mcore_little_vec;
extern const bfd_target bfd_elf32_mep_vec;
extern const bfd_target bfd_elf32_mep_little_vec;
+extern const bfd_target bfd_elf32_metag_vec;
extern const bfd_target bfd_elf32_microblazeel_vec;
extern const bfd_target bfd_elf32_microblaze_vec;
extern const bfd_target bfd_elf32_mn10200_vec;
@@ -1036,6 +1037,7 @@ static const bfd_target * const _bfd_target_vector[] =
&bfd_elf32_mcore_big_vec,
&bfd_elf32_mcore_little_vec,
&bfd_elf32_mep_vec,
+ &bfd_elf32_metag_vec,
&bfd_elf32_microblaze_vec,
&bfd_elf32_mn10200_vec,
&bfd_elf32_mn10300_vec,
generated by cgit v1.1 at 2024-11-29 14:29:36 +0000