--- /dev/null
+/* Lattice Mico32-specific support for 32-bit ELF
+ Copyright 2008, 2009 Free Software Foundation, Inc.
+ Contributed by Jon Beniston <jon@beniston.com>
+
+ 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 "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "elf-bfd.h"
+#include "elf/lm32.h"
+
+#define DEFAULT_STACK_SIZE 0x20000
+
+#define PLT_ENTRY_SIZE 20
+
+#define PLT0_ENTRY_WORD0 0
+#define PLT0_ENTRY_WORD1 0
+#define PLT0_ENTRY_WORD2 0
+#define PLT0_ENTRY_WORD3 0
+#define PLT0_ENTRY_WORD4 0
+
+#define PLT0_PIC_ENTRY_WORD0 0
+#define PLT0_PIC_ENTRY_WORD1 0
+#define PLT0_PIC_ENTRY_WORD2 0
+#define PLT0_PIC_ENTRY_WORD3 0
+#define PLT0_PIC_ENTRY_WORD4 0
+
+#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
+
+extern const bfd_target bfd_elf32_lm32fdpic_vec;
+
+#define IS_FDPIC(bfd) ((bfd)->xvec == &bfd_elf32_lm32fdpic_vec)
+
+static bfd_reloc_status_type lm32_elf_gprel_reloc
+ (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
+
+/* The linker needs to keep track of the number of relocs that it
+ decides to copy as dynamic relocs in check_relocs for each symbol.
+ This is so that it can later discard them if they are found to be
+ unnecessary. We store the information in a field extending the
+ regular ELF linker hash table. */
+
+struct elf_lm32_dyn_relocs
+{
+ struct elf_lm32_dyn_relocs *next;
+
+ /* The input section of the reloc. */
+ asection *sec;
+
+ /* Total number of relocs copied for the input section. */
+ bfd_size_type count;
+
+ /* Number of pc-relative relocs copied for the input section. */
+ bfd_size_type pc_count;
+};
+
+/* lm32 ELF linker hash entry. */
+
+struct elf_lm32_link_hash_entry
+{
+ struct elf_link_hash_entry root;
+
+ /* Track dynamic relocs copied for this symbol. */
+ struct elf_lm32_dyn_relocs *dyn_relocs;
+};
+
+/* lm32 ELF linker hash table. */
+
+struct elf_lm32_link_hash_table
+{
+ struct elf_link_hash_table root;
+
+ /* Short-cuts to get to dynamic linker sections. */
+ asection *sgot;
+ asection *sgotplt;
+ asection *srelgot;
+ asection *sfixup32;
+ asection *splt;
+ asection *srelplt;
+ asection *sdynbss;
+ asection *srelbss;
+
+ int relocs32;
+};
+
+/* Get the lm32 ELF linker hash table from a link_info structure. */
+
+#define lm32_elf_hash_table(p) \
+ ((struct elf_lm32_link_hash_table *) ((p)->hash))
+
+#define lm32fdpic_got_section(info) \
+ (lm32_elf_hash_table (info)->sgot)
+#define lm32fdpic_gotrel_section(info) \
+ (lm32_elf_hash_table (info)->srelgot)
+#define lm32fdpic_fixup32_section(info) \
+ (lm32_elf_hash_table (info)->sfixup32)
+
+struct weak_symbol_list
+{
+ const char *name;
+ struct weak_symbol_list *next;
+};
+
+/* Create an entry in an lm32 ELF linker hash table. */
+
+static struct bfd_hash_entry *
+lm32_elf_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
+{
+ struct elf_lm32_link_hash_entry *ret =
+ (struct elf_lm32_link_hash_entry *) entry;
+
+ /* Allocate the structure if it has not already been allocated by a
+ subclass. */
+ if (ret == NULL)
+ ret = bfd_hash_allocate (table,
+ sizeof (struct elf_lm32_link_hash_entry));
+ if (ret == NULL)
+ return NULL;
+
+ /* Call the allocation method of the superclass. */
+ ret = ((struct elf_lm32_link_hash_entry *)
+ _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
+ table, string));
+ if (ret != NULL)
+ {
+ struct elf_lm32_link_hash_entry *eh;
+
+ eh = (struct elf_lm32_link_hash_entry *) ret;
+ eh->dyn_relocs = NULL;
+ }
+
+ return (struct bfd_hash_entry *) ret;
+}
+
+/* Create an lm32 ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+lm32_elf_link_hash_table_create (bfd *abfd)
+{
+ struct elf_lm32_link_hash_table *ret;
+ bfd_size_type amt = sizeof (struct elf_lm32_link_hash_table);
+
+ ret = bfd_malloc (amt);
+ if (ret == NULL)
+ return NULL;
+
+ if (!_bfd_elf_link_hash_table_init (&ret->root, abfd,
+ lm32_elf_link_hash_newfunc,
+ sizeof (struct elf_lm32_link_hash_entry)))
+ {
+ free (ret);
+ return NULL;
+ }
+
+ ret->sgot = NULL;
+ ret->sgotplt = NULL;
+ ret->srelgot = NULL;
+ ret->sfixup32 = NULL;
+ ret->splt = NULL;
+ ret->srelplt = NULL;
+ ret->sdynbss = NULL;
+ ret->srelbss = NULL;
+ ret->relocs32 = 0;
+
+ return &ret->root.root;
+}
+
+/* Add a fixup to the ROFIXUP section. */
+
+static bfd_vma
+_lm32fdpic_add_rofixup (bfd *output_bfd, asection *rofixup, bfd_vma relocation)
+{
+ bfd_vma fixup_offset;
+
+ if (rofixup->flags & SEC_EXCLUDE)
+ return -1;
+
+ fixup_offset = rofixup->reloc_count * 4;
+ if (rofixup->contents)
+ {
+ BFD_ASSERT (fixup_offset < rofixup->size);
+ if (fixup_offset < rofixup->size)
+ bfd_put_32 (output_bfd, relocation, rofixup->contents + fixup_offset);
+ }
+ rofixup->reloc_count++;
+
+ return fixup_offset;
+}
+
+/* Create .got, .gotplt, and .rela.got sections in DYNOBJ, and set up
+ shortcuts to them in our hash table. */
+
+static bfd_boolean
+create_got_section (bfd *dynobj, struct bfd_link_info *info)
+{
+ struct elf_lm32_link_hash_table *htab;
+ asection *s;
+
+ /* This function may be called more than once. */
+ s = bfd_get_section_by_name (dynobj, ".got");
+ if (s != NULL && (s->flags & SEC_LINKER_CREATED) != 0)
+ return TRUE;
+
+ if (! _bfd_elf_create_got_section (dynobj, info))
+ return FALSE;
+
+ htab = lm32_elf_hash_table (info);
+ htab->sgot = bfd_get_section_by_name (dynobj, ".got");
+ htab->sgotplt = bfd_get_section_by_name (dynobj, ".got.plt");
+ htab->srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ if (! htab->sgot || ! htab->sgotplt || ! htab->srelgot)
+ abort ();
+
+ return TRUE;
+}
+
+/* Create .rofixup sections in DYNOBJ, and set up
+ shortcuts to them in our hash table. */
+
+static bfd_boolean
+create_rofixup_section (bfd *dynobj, struct bfd_link_info *info)
+{
+ struct elf_lm32_link_hash_table *htab;
+ htab = lm32_elf_hash_table (info);
+
+ /* Fixup section for R_LM32_32 relocs */
+ lm32fdpic_fixup32_section (info) = bfd_make_section_with_flags (dynobj,
+ ".rofixup",
+ (SEC_ALLOC
+ | SEC_LOAD
+ | SEC_HAS_CONTENTS
+ | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED
+ | SEC_READONLY));
+ if (lm32fdpic_fixup32_section (info) == NULL
+ || ! bfd_set_section_alignment (dynobj, lm32fdpic_fixup32_section (info), 2))
+ return FALSE;
+
+ return TRUE;
+}
+
+static reloc_howto_type lm32_elf_howto_table [] =
+{
+ /* This reloc does nothing. */
+ HOWTO (R_LM32_NONE, /* 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_LM32_NONE", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* An 8 bit absolute relocation. */
+ HOWTO (R_LM32_8, /* type */
+ 0, /* rightshift */
+ 0, /* size (0 = byte, 1 = short, 2 = long) */
+ 8, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_8", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 16 bit absolute relocation. */
+ HOWTO (R_LM32_16, /* type */
+ 0, /* rightshift */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* A 32 bit absolute relocation. */
+ HOWTO (R_LM32_32, /* 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_LM32_32", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_bitfield,/* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_GPREL16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ lm32_elf_gprel_reloc, /* special_function */
+ "R_LM32_GPREL16", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_CALL, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 26, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_CALL", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0x3ffffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ HOWTO (R_LM32_BRANCH, /* type */
+ 2, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ TRUE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_BRANCH", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ TRUE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable hierarchy. */
+ HOWTO (R_LM32_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_LM32_GNU_VTINHERIT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ /* GNU extension to record C++ vtable member usage. */
+ HOWTO (R_LM32_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_LM32_GNU_VTENTRY", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_16_GOT, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_signed, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_16_GOT", /* name */
+ FALSE, /* partial_inplace */
+ 0, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_GOTOFF_HI16, /* type */
+ 16, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_GOTOFF_HI16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_GOTOFF_LO16, /* type */
+ 0, /* rightshift */
+ 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ FALSE, /* pc_relative */
+ 0, /* bitpos */
+ complain_overflow_dont, /* complain_on_overflow */
+ bfd_elf_generic_reloc, /* special_function */
+ "R_LM32_GOTOFF_LO16", /* name */
+ FALSE, /* partial_inplace */
+ 0xffff, /* src_mask */
+ 0xffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_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_LM32_COPY", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_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_LM32_GLOB_DAT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_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_LM32_JMP_SLOT", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+ HOWTO (R_LM32_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_LM32_RELATIVE", /* name */
+ FALSE, /* partial_inplace */
+ 0xffffffff, /* src_mask */
+ 0xffffffff, /* dst_mask */
+ FALSE), /* pcrel_offset */
+
+};
+
+/* Map BFD reloc types to lm32 ELF reloc types. */
+
+struct lm32_reloc_map
+{
+ bfd_reloc_code_real_type bfd_reloc_val;
+ unsigned char elf_reloc_val;
+};
+
+static const struct lm32_reloc_map lm32_reloc_map[] =
+{
+ { BFD_RELOC_NONE, R_LM32_NONE },
+ { BFD_RELOC_8, R_LM32_8 },
+ { BFD_RELOC_16, R_LM32_16 },
+ { BFD_RELOC_32, R_LM32_32 },
+ { BFD_RELOC_HI16, R_LM32_HI16 },
+ { BFD_RELOC_LO16, R_LM32_LO16 },
+ { BFD_RELOC_GPREL16, R_LM32_GPREL16 },
+ { BFD_RELOC_LM32_CALL, R_LM32_CALL },
+ { BFD_RELOC_LM32_BRANCH, R_LM32_BRANCH },
+ { BFD_RELOC_VTABLE_INHERIT, R_LM32_GNU_VTINHERIT },
+ { BFD_RELOC_VTABLE_ENTRY, R_LM32_GNU_VTENTRY },
+ { BFD_RELOC_LM32_16_GOT, R_LM32_16_GOT },
+ { BFD_RELOC_LM32_GOTOFF_HI16, R_LM32_GOTOFF_HI16 },
+ { BFD_RELOC_LM32_GOTOFF_LO16, R_LM32_GOTOFF_LO16 },
+ { BFD_RELOC_LM32_COPY, R_LM32_COPY },
+ { BFD_RELOC_LM32_GLOB_DAT, R_LM32_GLOB_DAT },
+ { BFD_RELOC_LM32_JMP_SLOT, R_LM32_JMP_SLOT },
+ { BFD_RELOC_LM32_RELATIVE, R_LM32_RELATIVE },
+};
+
+static reloc_howto_type *
+lm32_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ bfd_reloc_code_real_type code)
+{
+ unsigned int i;
+
+ for (i = 0; i < sizeof (lm32_reloc_map) / sizeof (lm32_reloc_map[0]); i++)
+ if (lm32_reloc_map[i].bfd_reloc_val == code)
+ return &lm32_elf_howto_table[lm32_reloc_map[i].elf_reloc_val];
+ return NULL;
+}
+
+static reloc_howto_type *
+lm32_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (lm32_elf_howto_table) / sizeof (lm32_elf_howto_table[0]);
+ i++)
+ if (lm32_elf_howto_table[i].name != NULL
+ && strcasecmp (lm32_elf_howto_table[i].name, r_name) == 0)
+ return &lm32_elf_howto_table[i];
+
+ return NULL;
+}
+
+
+/* Set the howto pointer for an Lattice Mico32 ELF reloc. */
+
+static void
+lm32_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_LM32_max);
+ cache_ptr->howto = &lm32_elf_howto_table[r_type];
+}
+
+/* Set the right machine number for an Lattice Mico32 ELF file. */
+
+static bfd_boolean
+lm32_elf_object_p (bfd *abfd)
+{
+ return bfd_default_set_arch_mach (abfd, bfd_arch_lm32, bfd_mach_lm32);
+}
+
+/* Set machine type flags just before file is written out. */
+
+static void
+lm32_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED)
+{
+ elf_elfheader (abfd)->e_machine = EM_LATTICEMICO32;
+ elf_elfheader (abfd)->e_flags &=~ EF_LM32_MACH;
+ switch (bfd_get_mach (abfd))
+ {
+ case bfd_mach_lm32:
+ elf_elfheader (abfd)->e_flags |= E_LM32_MACH;
+ break;
+ default:
+ abort ();
+ }
+}
+
+/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a
+ dangerous relocation. */
+
+static bfd_boolean
+lm32_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp)
+{
+ unsigned int count;
+ asymbol **sym;
+ unsigned int i;
+
+ /* If we've already figured out what GP will be, just return it. */
+ *pgp = _bfd_get_gp_value (output_bfd);
+ if (*pgp)
+ return TRUE;
+
+ count = bfd_get_symcount (output_bfd);
+ sym = bfd_get_outsymbols (output_bfd);
+
+ /* The linker script will have created a symbol named `_gp' with the
+ appropriate value. */
+ if (sym == NULL)
+ i = count;
+ else
+ {
+ for (i = 0; i < count; i++, sym++)
+ {
+ const char *name;
+
+ name = bfd_asymbol_name (*sym);
+ if (*name == '_' && strcmp (name, "_gp") == 0)
+ {
+ *pgp = bfd_asymbol_value (*sym);
+ _bfd_set_gp_value (output_bfd, *pgp);
+ break;
+ }
+ }
+ }
+
+ if (i >= count)
+ {
+ /* Only get the error once. */
+ *pgp = 4;
+ _bfd_set_gp_value (output_bfd, *pgp);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/* We have to figure out the gp value, so that we can adjust the
+ symbol value correctly. We look up the symbol _gp in the output
+ BFD. If we can't find it, we're stuck. We cache it in the ELF
+ target data. We don't need to adjust the symbol value for an
+ external symbol if we are producing relocatable output. */
+
+static bfd_reloc_status_type
+lm32_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable,
+ char **error_message, bfd_vma *pgp)
+{
+ if (bfd_is_und_section (symbol->section) && !relocatable)
+ {
+ *pgp = 0;
+ return bfd_reloc_undefined;
+ }
+
+ *pgp = _bfd_get_gp_value (output_bfd);
+ if (*pgp == 0 && (!relocatable || (symbol->flags & BSF_SECTION_SYM) != 0))
+ {
+ if (relocatable)
+ {
+ /* Make up a value. */
+ *pgp = symbol->section->output_section->vma + 0x4000;
+ _bfd_set_gp_value (output_bfd, *pgp);
+ }
+ else if (!lm32_elf_assign_gp (output_bfd, pgp))
+ {
+ *error_message =
+ (char *)
+ _("global pointer relative relocation when _gp not defined");
+ return bfd_reloc_dangerous;
+ }
+ }
+
+ return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+lm32_elf_do_gprel_relocate (bfd *abfd,
+ reloc_howto_type *howto,
+ asection *input_section ATTRIBUTE_UNUSED,
+ bfd_byte *data,
+ bfd_vma offset,
+ bfd_vma symbol_value,
+ bfd_vma addend)
+{
+ return _bfd_final_link_relocate (howto, abfd, input_section,
+ data, offset, symbol_value, addend);
+}
+
+static bfd_reloc_status_type
+lm32_elf_gprel_reloc (bfd *abfd,
+ arelent *reloc_entry,
+ asymbol *symbol,
+ void *data,
+ asection *input_section,
+ bfd *output_bfd,
+ char **msg)
+{
+ bfd_vma relocation;
+ bfd_vma gp;
+ bfd_reloc_status_type r;
+
+ if (output_bfd != (bfd *) NULL
+ && (symbol->flags & BSF_SECTION_SYM) == 0
+ && (!reloc_entry->howto->partial_inplace || reloc_entry->addend == 0))
+ {
+ reloc_entry->address += input_section->output_offset;
+ return bfd_reloc_ok;
+ }
+
+ if (output_bfd != NULL)
+ return bfd_reloc_ok;
+
+ relocation = symbol->value
+ + symbol->section->output_section->vma + symbol->section->output_offset;
+
+ if ((r =
+ lm32_elf_final_gp (abfd, symbol, FALSE, msg, &gp)) == bfd_reloc_ok)
+ {
+ relocation = relocation + reloc_entry->addend - gp;
+ reloc_entry->addend = 0;
+ if ((signed) relocation < -32768 || (signed) relocation > 32767)
+ {
+ *msg = _("global pointer relative address out of range");
+ r = bfd_reloc_outofrange;
+ }
+ else
+ {
+ r = lm32_elf_do_gprel_relocate (abfd, reloc_entry->howto,
+ input_section,
+ data, reloc_entry->address,
+ relocation, reloc_entry->addend);
+ }
+ }
+
+ return r;
+}
+
+/* Find the segment number in which OSEC, and output section, is
+ located. */
+
+static unsigned
+_lm32fdpic_osec_to_segment (bfd *output_bfd, asection *osec)
+{
+ struct elf_segment_map *m;
+ Elf_Internal_Phdr *p;
+
+ /* Find the segment that contains the output_section. */
+ for (m = elf_tdata (output_bfd)->segment_map,
+ p = elf_tdata (output_bfd)->phdr;
+ m != NULL;
+ m = m->next, p++)
+ {
+ int i;
+
+ for (i = m->count - 1; i >= 0; i--)
+ if (m->sections[i] == osec)
+ break;
+
+ if (i >= 0)
+ break;
+ }
+
+ return p - elf_tdata (output_bfd)->phdr;
+}
+
+/* Determine if an output section is read-only. */
+
+inline static bfd_boolean
+_lm32fdpic_osec_readonly_p (bfd *output_bfd, asection *osec)
+{
+ unsigned seg = _lm32fdpic_osec_to_segment (output_bfd, osec);
+
+ return ! (elf_tdata (output_bfd)->phdr[seg].p_flags & PF_W);
+}
+
+/* Relocate a section */
+
+static bfd_boolean
+lm32_elf_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)
+{
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+ Elf_Internal_Rela *rel, *relend;
+
+ struct elf_lm32_link_hash_table *htab = lm32_elf_hash_table (info);
+ bfd *dynobj;
+ bfd_vma *local_got_offsets;
+ asection *sgot, *splt, *sreloc;
+
+ dynobj = htab->root.dynobj;
+ local_got_offsets = elf_local_got_offsets (input_bfd);
+
+ sgot = htab->sgot;
+ splt = htab->splt;
+ sreloc = NULL;
+
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (input_bfd);
+
+ rel = relocs;
+ relend = relocs + input_section->reloc_count;
+ for (; rel < relend; rel++)
+ {
+ reloc_howto_type *howto;
+ unsigned int r_type;
+ unsigned long r_symndx;
+ Elf_Internal_Sym *sym;
+ asection *sec;
+ struct elf_link_hash_entry *h;
+ bfd_vma relocation;
+ bfd_vma gp;
+ bfd_reloc_status_type r;
+ const char *name = NULL;
+ asection *osec;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ r_type = ELF32_R_TYPE (rel->r_info);
+
+ if (r_type == R_LM32_GNU_VTENTRY
+ || r_type == R_LM32_GNU_VTINHERIT )
+ continue;
+
+ h = NULL;
+ sym = NULL;
+ sec = NULL;
+
+ howto = lm32_elf_howto_table + r_type;
+
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ /* It's a local symbol. */
+ sym = local_syms + r_symndx;
+ osec = 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
+ {
+ /* It's a global symbol. */
+ bfd_boolean unresolved_reloc;
+ bfd_boolean warned;
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
+ r_symndx, symtab_hdr, sym_hashes,
+ h, sec, relocation,
+ unresolved_reloc, warned);
+ osec = sec;
+ name = h->root.root.string;
+ }
+
+ if (sec != NULL && elf_discarded_section (sec))
+ {
+ /* For relocs against symbols from removed linkonce sections,
+ or sections discarded by a linker script, we just want the
+ section contents zeroed. Avoid any special processing. */
+ _bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
+ rel->r_info = 0;
+ rel->r_addend = 0;
+ continue;
+ }
+
+ if (info->relocatable)
+ {
+ /* This is a relocatable link. We don't have to change
+ anything, unless the reloc is against a section symbol,
+ in which case we have to adjust according to where the
+ section symbol winds up in the output section. */
+ if (sym == NULL || ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ continue;
+
+ /* If partial_inplace, we need to store any additional addend
+ back in the section. */
+ if (! howto->partial_inplace)
+ continue;
+
+ /* Shouldn't reach here. */
+ abort ();
+ r = bfd_reloc_ok;
+ }
+ else
+ {
+ switch (howto->type)
+ {
+ case R_LM32_GPREL16:
+ if (!lm32_elf_assign_gp (output_bfd, &gp))
+ r = bfd_reloc_dangerous;
+ else
+ {
+ relocation = relocation + rel->r_addend - gp;
+ rel->r_addend = 0;
+ if ((signed)relocation < -32768 || (signed)relocation > 32767)
+ r = bfd_reloc_outofrange;
+ else
+ {
+ r = _bfd_final_link_relocate (howto, input_bfd,
+ input_section, contents,
+ rel->r_offset, relocation,
+ rel->r_addend);
+ }
+ }
+ break;
+ case R_LM32_16_GOT:
+ /* Relocation is to the entry for this symbol in the global
+ offset table. */
+ BFD_ASSERT (sgot != NULL);
+ if (h != NULL)
+ {
+ bfd_boolean dyn;
+ bfd_vma off;
+
+ off = h->got.offset;
+ BFD_ASSERT (off != (bfd_vma) -1);
+
+ dyn = htab->root.dynamic_sections_created;
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h)
+ || (info->shared
+ && (info->symbolic
+ || h->dynindx == -1
+ || h->forced_local)
+ && h->def_regular))
+ {
+ /* This is actually a static link, or it is a
+ -Bsymbolic link and the symbol is defined
+ locally, or the symbol was forced to be local
+ because of a version file. We must initialize
+ this entry in the global offset table. Since the
+ offset must always be a multiple of 4, we use the
+ least significant bit to record whether we have
+ initialized it already.
+
+ When doing a dynamic link, we create a .rela.got
+ relocation entry to initialize the value. This
+ is done in the finish_dynamic_symbol routine. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ /* Write entry in GOT */
+ bfd_put_32 (output_bfd, relocation,
+ sgot->contents + off);
+ /* Create entry in .rofixup pointing to GOT entry. */
+ if (IS_FDPIC (output_bfd) && h->root.type != bfd_link_hash_undefweak)
+ {
+ _lm32fdpic_add_rofixup (output_bfd,
+ lm32fdpic_fixup32_section
+ (info),
+ sgot->output_section->vma
+ + sgot->output_offset
+ + off);
+ }
+ /* Mark GOT entry as having been written. */
+ h->got.offset |= 1;
+ }
+ }
+
+ relocation = sgot->output_offset + off;
+ }
+ else
+ {
+ bfd_vma off;
+ bfd_byte *loc;
+
+ BFD_ASSERT (local_got_offsets != NULL
+ && local_got_offsets[r_symndx] != (bfd_vma) -1);
+
+ /* Get offset into GOT table. */
+ 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 processed this entry. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ /* Write entry in GOT. */
+ bfd_put_32 (output_bfd, relocation, sgot->contents + off);
+ /* Create entry in .rofixup pointing to GOT entry. */
+ if (IS_FDPIC (output_bfd))
+ {
+ _lm32fdpic_add_rofixup (output_bfd,
+ lm32fdpic_fixup32_section
+ (info),
+ sgot->output_section->vma
+ + sgot->output_offset
+ + off);
+ }
+
+ if (info->shared)
+ {
+ asection *srelgot;
+ Elf_Internal_Rela outrel;
+
+ /* We need to generate a R_LM32_RELATIVE reloc
+ for the dynamic linker. */
+ srelgot = bfd_get_section_by_name (dynobj, ".rela.got");
+ BFD_ASSERT (srelgot != NULL);
+
+ outrel.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + off);
+ outrel.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
+ outrel.r_addend = relocation;
+ loc = srelgot->contents;
+ loc += srelgot->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
+ ++srelgot->reloc_count;
+ }
+
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+
+ relocation = sgot->output_offset + off;
+ }
+
+ /* Addend should be zero. */
+ if (rel->r_addend != 0)
+ (*_bfd_error_handler) (_("internal error: addend should be zero for R_LM32_16_GOT"));
+
+ r = _bfd_final_link_relocate (howto,
+ input_bfd,
+ input_section,
+ contents,
+ rel->r_offset,
+ relocation,
+ rel->r_addend);
+ break;
+
+ case R_LM32_GOTOFF_LO16:
+ case R_LM32_GOTOFF_HI16:
+ /* Relocation is offset from GOT. */
+ BFD_ASSERT (sgot != NULL);
+ relocation -= sgot->output_section->vma;
+ /* Account for sign-extension. */
+ if ((r_type == R_LM32_GOTOFF_HI16)
+ && ((relocation + rel->r_addend) & 0x8000))
+ rel->r_addend += 0x10000;
+ r = _bfd_final_link_relocate (howto,
+ input_bfd,
+ input_section,
+ contents,
+ rel->r_offset,
+ relocation,
+ rel->r_addend);
+ break;
+
+ case R_LM32_32:
+ if (IS_FDPIC (output_bfd))
+ {
+ if ((!h) || (h && h->root.type != bfd_link_hash_undefweak))
+ {
+ /* Only create .rofixup entries for relocs in loadable sections. */
+ if ((bfd_get_section_flags (output_bfd, input_section->output_section)
+ & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
+
+ {
+ /* Check address to be modified is writable. */
+ if (_lm32fdpic_osec_readonly_p (output_bfd,
+ input_section
+ ->output_section))
+ {
+ info->callbacks->warning
+ (info,
+ _("cannot emit dynamic relocations in read-only section"),
+ name, input_bfd, input_section, rel->r_offset);
+ return FALSE;
+ }
+ /* Create entry in .rofixup section. */
+ _lm32fdpic_add_rofixup (output_bfd,
+ lm32fdpic_fixup32_section (info),
+ input_section->output_section->vma
+ + input_section->output_offset
+ + rel->r_offset);
+ }
+ }
+ }
+ /* Fall through. */
+
+ default:
+ r = _bfd_final_link_relocate (howto,
+ input_bfd,
+ input_section,
+ contents,
+ rel->r_offset,
+ relocation,
+ rel->r_addend);
+ break;
+ }
+ }
+
+ if (r != bfd_reloc_ok)
+ {
+ const char *name;
+ const char *msg = NULL;
+ arelent bfd_reloc;
+ reloc_howto_type *howto;
+
+ lm32_info_to_howto_rela (input_bfd, &bfd_reloc, rel);
+ howto = bfd_reloc.howto;
+
+ if (h != NULL)
+ name = h->root.root.string;
+ else
+ {
+ name = (bfd_elf_string_from_elf_section
+ (input_bfd, symtab_hdr->sh_link, sym->st_name));
+ if (name == NULL || *name == '\0')
+ name = bfd_section_name (input_bfd, sec);
+ }
+
+ switch (r)
+ {
+ case bfd_reloc_overflow:
+ if ((h != NULL)
+ && (h->root.type == bfd_link_hash_undefweak))
+ break;
+ if (! ((*info->callbacks->reloc_overflow)
+ (info, (h ? &h->root : NULL), name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rel->r_offset)))
+ return FALSE;
+ break;
+
+ case bfd_reloc_undefined:
+ if (! ((*info->callbacks->undefined_symbol)
+ (info, name, input_bfd, input_section,
+ rel->r_offset, TRUE)))
+ return FALSE;
+ break;
+
+ case bfd_reloc_outofrange:
+ msg = _("internal error: out of range error");
+ goto common_error;
+
+ case bfd_reloc_notsupported:
+ msg = _("internal error: unsupported relocation error");
+ goto common_error;
+
+ case bfd_reloc_dangerous:
+ msg = _("internal error: dangerous error");
+ goto common_error;
+
+ default:
+ msg = _("internal error: unknown error");
+ /* fall through */
+
+ common_error:
+ if (!((*info->callbacks->warning)
+ (info, msg, name, input_bfd, input_section,
+ rel->r_offset)))
+ return FALSE;
+ break;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+static asection *
+lm32_elf_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rel,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ if (h != NULL)
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_LM32_GNU_VTINHERIT:
+ case R_LM32_GNU_VTENTRY:
+ return NULL;
+ }
+
+ return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
+}
+
+static bfd_boolean
+lm32_elf_gc_sweep_hook (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ asection *sec,
+ const Elf_Internal_Rela *relocs ATTRIBUTE_UNUSED)
+{
+ /* Update the got entry reference counts for the section being removed. */
+ Elf_Internal_Shdr *symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes;
+ bfd_signed_vma *local_got_refcounts;
+ const Elf_Internal_Rela *rel, *relend;
+
+ elf_section_data (sec)->local_dynrel = NULL;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ local_got_refcounts = elf_local_got_refcounts (abfd);
+
+ relend = relocs + sec->reloc_count;
+ for (rel = relocs; rel < relend; rel++)
+ {
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h = NULL;
+
+ r_symndx = ELF32_R_SYM (rel->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
+
+ switch (ELF32_R_TYPE (rel->r_info))
+ {
+ case R_LM32_16_GOT:
+ if (h != NULL)
+ {
+ if (h->got.refcount > 0)
+ h->got.refcount--;
+ }
+ else
+ {
+ if (local_got_refcounts && local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx]--;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+ return TRUE;
+}
+
+/* Look through the relocs for a section during the first phase. */
+
+static bfd_boolean
+lm32_elf_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 **sym_hashes, **sym_hashes_end;
+ const Elf_Internal_Rela *rel;
+ const Elf_Internal_Rela *rel_end;
+ struct elf_lm32_link_hash_table *htab;
+ bfd *dynobj;
+ bfd_vma *local_got_offsets;
+ asection *sgot, *srelgot, *sreloc;
+
+ if (info->relocatable)
+ return TRUE;
+
+ sgot = srelgot = sreloc = NULL;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (abfd);
+ sym_hashes_end = sym_hashes + symtab_hdr->sh_size/sizeof (Elf32_External_Sym);
+ if (!elf_bad_symtab (abfd))
+ sym_hashes_end -= symtab_hdr->sh_info;
+
+ htab = lm32_elf_hash_table (info);
+ dynobj = htab->root.dynobj;
+ local_got_offsets = elf_local_got_offsets (abfd);
+
+ rel_end = relocs + sec->reloc_count;
+ for (rel = relocs; rel < rel_end; rel++)
+ {
+ int r_type;
+ struct elf_link_hash_entry *h;
+ 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)
+ h = NULL;
+ else
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
+
+ /* Some relocs require a global offset table. */
+ if (htab->sgot == NULL)
+ {
+ switch (r_type)
+ {
+ case R_LM32_16_GOT:
+ case R_LM32_GOTOFF_HI16:
+ case R_LM32_GOTOFF_LO16:
+ if (dynobj == NULL)
+ htab->root.dynobj = dynobj = abfd;
+ if (! create_got_section (dynobj, info))
+ return FALSE;
+ break;
+ }
+ }
+
+ /* Some relocs require a rofixup table. */
+ if (IS_FDPIC (abfd))
+ {
+ switch (r_type)
+ {
+ case R_LM32_32:
+ /* FDPIC requires a GOT if there is a .rofixup section
+ (Normal ELF doesn't). */
+ if (dynobj == NULL)
+ htab->root.dynobj = dynobj = abfd;
+ if (! create_got_section (dynobj, info))
+ return FALSE;
+ /* Create .rofixup section */
+ if (htab->sfixup32 == NULL)
+ {
+ if (! create_rofixup_section (abfd, info))
+ return FALSE;
+ }
+ break;
+ case R_LM32_16_GOT:
+ case R_LM32_GOTOFF_HI16:
+ case R_LM32_GOTOFF_LO16:
+ /* Create .rofixup section. */
+ if (htab->sfixup32 == NULL)
+ {
+ if (! create_rofixup_section (abfd, info))
+ return FALSE;
+ }
+ break;
+ }
+ }
+
+ switch (r_type)
+ {
+ case R_LM32_16_GOT:
+ if (h != NULL)
+ h->got.refcount += 1;
+ 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);
+ local_got_refcounts = bfd_zalloc (abfd, size);
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ elf_local_got_refcounts (abfd) = local_got_refcounts;
+ }
+ local_got_refcounts[r_symndx] += 1;
+ }
+ break;
+
+ /* This relocation describes the C++ object vtable hierarchy.
+ Reconstruct it for later use during GC. */
+ case R_LM32_GNU_VTINHERIT:
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
+ return FALSE;
+ break;
+
+ /* This relocation describes which C++ vtable entries are actually
+ used. Record for later use during GC. */
+ case R_LM32_GNU_VTENTRY:
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return FALSE;
+ break;
+
+ }
+ }
+
+ return TRUE;
+}
+
+/* Finish up the dynamic sections. */
+
+static bfd_boolean
+lm32_elf_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_lm32_link_hash_table *htab;
+ bfd *dynobj;
+ asection *sdyn;
+ asection *sgot;
+
+ htab = lm32_elf_hash_table (info);
+ dynobj = htab->root.dynobj;
+
+ sgot = htab->sgotplt;
+ sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+
+ if (htab->root.dynamic_sections_created)
+ {
+ asection *splt;
+ Elf32_External_Dyn *dyncon, *dynconend;
+
+ BFD_ASSERT (sgot != NULL && sdyn != NULL);
+
+ dyncon = (Elf32_External_Dyn *) sdyn->contents;
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
+
+ for (; dyncon < dynconend; dyncon++)
+ {
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ asection *s;
+
+ bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
+
+ switch (dyn.d_tag)
+ {
+ default:
+ break;
+
+ case DT_PLTGOT:
+ name = ".got";
+ s = htab->sgot->output_section;
+ goto get_vma;
+ case DT_JMPREL:
+ name = ".rela.plt";
+ s = htab->srelplt->output_section;
+ get_vma:
+ 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->output_section;
+ BFD_ASSERT (s != NULL);
+ dyn.d_un.d_val = s->size;
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ break;
+
+ case DT_RELASZ:
+ /* My reading of the SVR4 ABI indicates that the
+ procedure linkage table relocs (DT_JMPREL) should be
+ included in the overall relocs (DT_RELA). This is
+ what Solaris does. However, UnixWare can not handle
+ that case. Therefore, we override the DT_RELASZ entry
+ here to make it not include the JMPREL relocs. Since
+ the linker script arranges for .rela.plt to follow all
+ other relocation sections, we don't have to worry
+ about changing the DT_RELA entry. */
+ if (htab->srelplt != NULL)
+ {
+ s = htab->srelplt->output_section;
+ dyn.d_un.d_val -= 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)
+ {
+ if (info->shared)
+ {
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD0, splt->contents);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD1, splt->contents + 4);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD2, splt->contents + 8);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD3, splt->contents + 12);
+ bfd_put_32 (output_bfd, PLT0_PIC_ENTRY_WORD4, splt->contents + 16);
+ }
+ else
+ {
+ unsigned long addr;
+ /* addr = .got + 4 */
+ addr = sgot->output_section->vma + sgot->output_offset + 4;
+ bfd_put_32 (output_bfd,
+ PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
+ splt->contents);
+ bfd_put_32 (output_bfd,
+ PLT0_ENTRY_WORD1 | (addr & 0xffff),
+ splt->contents + 4);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD3, splt->contents + 12);
+ bfd_put_32 (output_bfd, PLT0_ENTRY_WORD4, splt->contents + 16);
+ }
+
+ elf_section_data (splt->output_section)->this_hdr.sh_entsize =
+ PLT_ENTRY_SIZE;
+ }
+ }
+
+ /* Fill in the first three entries in the global offset table. */
+ if (sgot && sgot->size > 0)
+ {
+ if (sdyn == NULL)
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents);
+ else
+ bfd_put_32 (output_bfd,
+ sdyn->output_section->vma + sdyn->output_offset,
+ sgot->contents);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 4);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + 8);
+
+ /* FIXME: This can be null if create_dynamic_sections wasn't called. */
+ if (elf_section_data (sgot->output_section) != NULL)
+ elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
+ }
+
+ if (lm32fdpic_fixup32_section (info))
+ {
+ struct elf_link_hash_entry *hgot = elf_hash_table (info)->hgot;
+ bfd_vma got_value = hgot->root.u.def.value
+ + hgot->root.u.def.section->output_section->vma
+ + hgot->root.u.def.section->output_offset;
+ struct bfd_link_hash_entry *hend;
+
+ /* Last entry is pointer to GOT. */
+ _lm32fdpic_add_rofixup (output_bfd, lm32fdpic_fixup32_section (info), got_value);
+
+ /* Check we wrote enough entries. */
+ if (lm32fdpic_fixup32_section (info)->size
+ != (lm32fdpic_fixup32_section (info)->reloc_count * 4))
+ {
+ (*_bfd_error_handler)
+ ("LINKER BUG: .rofixup section size mismatch: size/4 %d != relocs %d",
+ lm32fdpic_fixup32_section (info)->size/4,
+ lm32fdpic_fixup32_section (info)->reloc_count);
+ return FALSE;
+ }
+
+ hend = bfd_link_hash_lookup (info->hash, "__ROFIXUP_END__",
+ FALSE, FALSE, TRUE);
+ if (hend
+ && (hend->type == bfd_link_hash_defined
+ || hend->type == bfd_link_hash_defweak))
+ {
+ bfd_vma value =
+ lm32fdpic_fixup32_section (info)->output_section->vma
+ + lm32fdpic_fixup32_section (info)->output_offset
+ + lm32fdpic_fixup32_section (info)->size
+ - hend->u.def.section->output_section->vma
+ - hend->u.def.section->output_offset;
+ BFD_ASSERT (hend->u.def.value == value);
+ if (hend->u.def.value != value)
+ {
+ (*_bfd_error_handler)
+ ("LINKER BUG: .rofixup section hend->u.def.value != value: %ld != %ld", hend->u.def.value, value);
+ return FALSE;
+ }
+ }
+ }
+
+ return TRUE;
+}
+
+/* Finish up dynamic symbol handling. We set the contents of various
+ dynamic sections here. */
+
+static bfd_boolean
+lm32_elf_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *h,
+ Elf_Internal_Sym *sym)
+{
+ struct elf_lm32_link_hash_table *htab;
+ bfd *dynobj;
+ bfd_byte *loc;
+
+ htab = lm32_elf_hash_table (info);
+ dynobj = htab->root.dynobj;
+
+ if (h->plt.offset != (bfd_vma) -1)
+ {
+ asection *splt;
+ asection *sgot;
+ asection *srela;
+
+ bfd_vma plt_index;
+ bfd_vma got_offset;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the procedure linkage table. Set
+ it up. */
+ BFD_ASSERT (h->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 = h->plt.offset / PLT_ENTRY_SIZE - 1;
+
+ /* Get the offset into the .got table of the entry that
+ corresponds to this function. Each .got entry is 4 bytes.
+ The first three are reserved. */
+ got_offset = (plt_index + 3) * 4;
+
+ /* Fill in the entry in the procedure linkage table. */
+ if (! info->shared)
+ {
+ /* TODO */
+ }
+ else
+ {
+ /* TODO */
+ }
+
+ /* Fill in the entry in the global offset table. */
+ bfd_put_32 (output_bfd,
+ (splt->output_section->vma
+ + splt->output_offset
+ + h->plt.offset
+ + 12), /* same offset */
+ sgot->contents + got_offset);
+
+ /* Fill in the entry in the .rela.plt section. */
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + got_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_JMP_SLOT);
+ rela.r_addend = 0;
+ loc = srela->contents;
+ loc += plt_index * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
+
+ if (!h->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 (h->got.offset != (bfd_vma) -1)
+ {
+ asection *sgot;
+ asection *srela;
+ Elf_Internal_Rela rela;
+
+ /* This symbol has an entry in the global offset table. Set it
+ up. */
+ sgot = htab->sgot;
+ srela = htab->srelgot;
+ BFD_ASSERT (sgot != NULL && srela != NULL);
+
+ rela.r_offset = (sgot->output_section->vma
+ + sgot->output_offset
+ + (h->got.offset &~ 1));
+
+ /* If this is a -Bsymbolic link, and the symbol is defined
+ locally, we just want to emit a RELATIVE reloc. Likewise if
+ the symbol was forced to be local because of a version file.
+ The entry in the global offset table will already have been
+ initialized in the relocate_section function. */
+ if (info->shared
+ && (info->symbolic
+ || h->dynindx == -1
+ || h->forced_local)
+ && h->def_regular)
+ {
+ rela.r_info = ELF32_R_INFO (0, R_LM32_RELATIVE);
+ rela.r_addend = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ }
+ else
+ {
+ BFD_ASSERT ((h->got.offset & 1) == 0);
+ bfd_put_32 (output_bfd, (bfd_vma) 0, sgot->contents + h->got.offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_GLOB_DAT);
+ rela.r_addend = 0;
+ }
+
+ loc = srela->contents;
+ loc += srela->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
+ ++srela->reloc_count;
+ }
+
+ if (h->needs_copy)
+ {
+ asection *s;
+ Elf_Internal_Rela rela;
+
+ /* This symbols needs a copy reloc. Set it up. */
+ BFD_ASSERT (h->dynindx != -1
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak));
+
+ s = bfd_get_section_by_name (h->root.u.def.section->owner,
+ ".rela.bss");
+ BFD_ASSERT (s != NULL);
+
+ rela.r_offset = (h->root.u.def.value
+ + h->root.u.def.section->output_section->vma
+ + h->root.u.def.section->output_offset);
+ rela.r_info = ELF32_R_INFO (h->dynindx, R_LM32_COPY);
+ rela.r_addend = 0;
+ loc = s->contents;
+ loc += s->reloc_count * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
+ ++s->reloc_count;
+ }
+
+ /* Mark some specially defined symbols as absolute. */
+ if (strcmp (h->root.root.string, "_DYNAMIC") == 0
+ || h == htab->root.hgot)
+ sym->st_shndx = SHN_ABS;
+
+ return TRUE;
+}
+
+static enum elf_reloc_type_class
+lm32_elf_reloc_type_class (const Elf_Internal_Rela *rela)
+{
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_LM32_RELATIVE: return reloc_class_relative;
+ case R_LM32_JMP_SLOT: return reloc_class_plt;
+ case R_LM32_COPY: return reloc_class_copy;
+ default: return reloc_class_normal;
+ }
+}
+
+/* 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
+lm32_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ struct elf_lm32_link_hash_table *htab;
+ struct elf_lm32_link_hash_entry *eh;
+ struct elf_lm32_dyn_relocs *p;
+ bfd *dynobj;
+ asection *s;
+
+ dynobj = elf_hash_table (info)->dynobj;
+
+ /* Make sure we know what is going on here. */
+ BFD_ASSERT (dynobj != NULL
+ && (h->needs_plt
+ || h->u.weakdef != NULL
+ || (h->def_dynamic
+ && h->ref_regular
+ && !h->def_regular)));
+
+ /* 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 (h->type == STT_FUNC
+ || h->needs_plt)
+ {
+ if (! info->shared
+ && !h->def_dynamic
+ && !h->ref_dynamic
+ && h->root.type != bfd_link_hash_undefweak
+ && h->root.type != bfd_link_hash_undefined)
+ {
+ /* 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. */
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ return TRUE;
+ }
+ else
+ h->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 (h->u.weakdef != NULL)
+ {
+ BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
+ || h->u.weakdef->root.type == bfd_link_hash_defweak);
+ h->root.u.def.section = h->u.weakdef->root.u.def.section;
+ h->root.u.def.value = h->u.weakdef->root.u.def.value;
+ 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 (!h->non_got_ref)
+ return TRUE;
+
+ /* If -z nocopyreloc was given, we won't generate them either. */
+ if (info->nocopyreloc)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ eh = (struct elf_lm32_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ s = p->sec->output_section;
+ if (s != NULL && (s->flags & (SEC_READONLY | SEC_HAS_CONTENTS)) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in sections which needs the
+ copy reloc, then we'll be keeping the dynamic relocs and avoiding
+ the copy reloc. */
+ if (p == NULL)
+ {
+ h->non_got_ref = 0;
+ return TRUE;
+ }
+
+ if (h->size == 0)
+ {
+ (*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
+ h->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 = lm32_elf_hash_table (info);
+ s = htab->sdynbss;
+ BFD_ASSERT (s != NULL);
+
+ /* We must generate a R_LM32_COPY reloc to tell the dynamic linker
+ to copy the initial value out of the dynamic object and into the
+ runtime process image. We need to remember the offset into the
+ .rela.bss section we are going to use. */
+ if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ {
+ asection *srel;
+
+ srel = htab->srelbss;
+ BFD_ASSERT (srel != NULL);
+ srel->size += sizeof (Elf32_External_Rela);
+ h->needs_copy = 1;
+ }
+
+ return _bfd_elf_adjust_dynamic_copy (h, s);
+}
+
+/* Allocate space in .plt, .got and associated reloc sections for
+ dynamic relocs. */
+
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
+{
+ struct bfd_link_info *info;
+ struct elf_lm32_link_hash_table *htab;
+ struct elf_lm32_link_hash_entry *eh;
+ struct elf_lm32_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_indirect)
+ return TRUE;
+
+ if (h->root.type == bfd_link_hash_warning)
+ /* When warning symbols are created, they **replace** the "real"
+ entry in the hash table, thus we never get to see the real
+ symbol in a hash traversal. So look at it now. */
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ info = (struct bfd_link_info *) inf;
+ htab = lm32_elf_hash_table (info);
+
+ eh = (struct elf_lm32_link_hash_entry *) h;
+
+ if (htab->root.dynamic_sections_created
+ && h->plt.refcount > 0)
+ {
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info->shared, h))
+ {
+ 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;
+
+ h->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
+ && !h->def_regular)
+ {
+ h->root.u.def.section = s;
+ h->root.u.def.value = h->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
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+ }
+ else
+ {
+ h->plt.offset = (bfd_vma) -1;
+ h->needs_plt = 0;
+ }
+
+ if (h->got.refcount > 0)
+ {
+ asection *s;
+ bfd_boolean dyn;
+
+ /* Make sure this symbol is output as a dynamic symbol.
+ Undefined weak syms won't yet be marked as dynamic. */
+ if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ s = htab->sgot;
+
+ h->got.offset = s->size;
+ s->size += 4;
+ dyn = htab->root.dynamic_sections_created;
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info->shared, h))
+ htab->srelgot->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ h->got.offset = (bfd_vma) -1;
+
+ if (eh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* In the shared -Bsymbolic case, discard space allocated for
+ dynamic pc-relative relocs against symbols which turn out to be
+ defined in regular objects. For the normal shared case, discard
+ space for pc-relative relocs that have become local due to symbol
+ visibility changes. */
+
+ if (info->shared)
+ {
+ if (h->def_regular
+ && (h->forced_local
+ || info->symbolic))
+ {
+ struct elf_lm32_dyn_relocs **pp;
+
+ for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
+ {
+ p->count -= p->pc_count;
+ p->pc_count = 0;
+ if (p->count == 0)
+ *pp = p->next;
+ else
+ pp = &p->next;
+ }
+ }
+
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (eh->dyn_relocs != NULL
+ && h->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
+ eh->dyn_relocs = NULL;
+
+ /* Make sure undefined weak symbols are output as a dynamic
+ symbol in PIEs. */
+ else if (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ 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 (!h->non_got_ref
+ && ((h->def_dynamic
+ && !h->def_regular)
+ || (htab->root.dynamic_sections_created
+ && (h->root.type == bfd_link_hash_undefweak
+ || h->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 (h->dynindx == -1
+ && !h->forced_local)
+ {
+ if (! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (h->dynindx != -1)
+ goto keep;
+ }
+
+ eh->dyn_relocs = NULL;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *sreloc = elf_section_data (p->sec)->sreloc;
+ sreloc->size += 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 *h, void * inf)
+{
+ struct elf_lm32_link_hash_entry *eh;
+ struct elf_lm32_dyn_relocs *p;
+
+ if (h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+
+ eh = (struct elf_lm32_link_hash_entry *) h;
+ for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ {
+ asection *s = p->sec->output_section;
+
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ {
+ struct bfd_link_info *info = (struct bfd_link_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
+lm32_elf_size_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_lm32_link_hash_table *htab;
+ bfd *dynobj;
+ asection *s;
+ bfd_boolean relocs;
+ bfd *ibfd;
+
+ htab = lm32_elf_hash_table (info);
+ dynobj = htab->root.dynobj;
+ BFD_ASSERT (dynobj != NULL);
+
+ if (htab->root.dynamic_sections_created)
+ {
+ /* Set the contents of the .interp section to the interpreter. */
+ if (info->executable)
+ {
+ s = bfd_get_section_by_name (dynobj, ".interp");
+ BFD_ASSERT (s != NULL);
+ 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;
+
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
+ continue;
+
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ struct elf_lm32_dyn_relocs *p;
+
+ for (p = ((struct elf_lm32_dyn_relocs *)
+ elf_section_data (s)->local_dynrel);
+ p != NULL;
+ p = p->next)
+ {
+ if (! bfd_is_abs_section (p->sec)
+ && bfd_is_abs_section (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 (p->count != 0)
+ {
+ srel = elf_section_data (p->sec)->sreloc;
+ srel->size += p->count * sizeof (Elf32_External_Rela);
+ if ((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;
+ s = htab->sgot;
+ srel = htab->srelgot;
+ for (; local_got < end_local_got; ++local_got)
+ {
+ if (*local_got > 0)
+ {
+ *local_got = s->size;
+ s->size += 4;
+ if (info->shared)
+ srel->size += sizeof (Elf32_External_Rela);
+ }
+ else
+ *local_got = (bfd_vma) -1;
+ }
+ }
+
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (&htab->root, 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)
+ {
+ 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;
+ }
+ 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. We use bfd_zalloc
+ here in case unused entries are not reclaimed before the
+ section's contents are written out. This should not happen,
+ but this way if it does, we get a R_LM32_NONE reloc instead
+ of garbage. */
+ s->contents = bfd_zalloc (dynobj, s->size);
+ if (s->contents == NULL)
+ return FALSE;
+ }
+
+ if (htab->root.dynamic_sections_created)
+ {
+ /* Add some entries to the .dynamic section. We fill in the
+ values later, in lm32_elf_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 (info->executable)
+ {
+ if (! add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
+ }
+
+ if (htab->splt->size != 0)
+ {
+ if (! add_dynamic_entry (DT_PLTGOT, 0)
+ || ! 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->root, readonly_dynrelocs,
+ info);
+
+ if ((info->flags & DF_TEXTREL) != 0)
+ {
+ if (! add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
+ }
+ }
+#undef add_dynamic_entry
+
+ /* Allocate .rofixup section. */
+ if (IS_FDPIC (output_bfd))
+ {
+ struct weak_symbol_list *list_start = NULL, *list_end = NULL;
+ int rgot_weak_count = 0;
+ int r32_count = 0;
+ int rgot_count = 0;
+ /* Look for deleted sections. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
+ {
+ for (s = ibfd->sections; s != NULL; s = s->next)
+ {
+ if (s->reloc_count)
+ {
+ /* Count relocs that need .rofixup entires. */
+ Elf_Internal_Rela *internal_relocs, *end;
+ internal_relocs = elf_section_data (s)->relocs;
+ if (internal_relocs == NULL)
+ internal_relocs = (_bfd_elf_link_read_relocs (ibfd, s, NULL, NULL, FALSE));
+ if (internal_relocs != NULL)
+ {
+ end = internal_relocs + s->reloc_count;
+ while (internal_relocs < end)
+ {
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (ibfd);
+ unsigned long r_symndx;
+ struct elf_link_hash_entry *h;
+
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ sym_hashes = elf_sym_hashes (ibfd);
+ r_symndx = ELF32_R_SYM (internal_relocs->r_info);
+ h = NULL;
+ if (r_symndx < symtab_hdr->sh_info)
+ {
+ }
+ else
+ {
+ h = sym_hashes[r_symndx - symtab_hdr->sh_info];
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ }
+
+ /* Don't generate entries for weak symbols. */
+ if (!h || (h && h->root.type != bfd_link_hash_undefweak))
+ {
+ if (!elf_discarded_section (s) && !((bfd_get_section_flags (ibfd, s) & SEC_ALLOC) == 0))
+ {
+ switch (ELF32_R_TYPE (internal_relocs->r_info))
+ {
+ case R_LM32_32:
+ r32_count++;
+ break;
+ case R_LM32_16_GOT:
+ rgot_count++;
+ break;
+ }
+ }
+ }
+ else
+ {
+ struct weak_symbol_list *current, *new_entry;
+ /* Is this symbol already in the list? */
+ for (current = list_start; current; current = current->next)
+ {
+ if (!strcmp (current->name, h->root.root.string))
+ break;
+ }
+ if (!current && !elf_discarded_section (s) && (bfd_get_section_flags (ibfd, s) & SEC_ALLOC))
+ {
+ /* Will this have an entry in the GOT. */
+ if (ELF32_R_TYPE (internal_relocs->r_info) == R_LM32_16_GOT)
+ {
+ /* Create a new entry. */
+ new_entry = malloc (sizeof (struct weak_symbol_list));
+ if (!new_entry)
+ return FALSE;
+ new_entry->name = h->root.root.string;
+ new_entry->next = NULL;
+ /* Add to list */
+ if (list_start == NULL)
+ {
+ list_start = new_entry;
+ list_end = new_entry;
+ }
+ else
+ {
+ list_end->next = new_entry;
+ list_end = new_entry;
+ }
+ /* Increase count of undefined weak symbols in the got. */
+ rgot_weak_count++;
+ }
+ }
+ }
+ internal_relocs++;
+ }
+ }
+ else
+ return FALSE;
+ }
+ }
+ }
+ /* Free list. */
+ while (list_start)
+ {
+ list_end = list_start->next;
+ free (list_start);
+ list_start = list_end;
+ }
+
+ /* Size sections. */
+ lm32fdpic_fixup32_section (info)->size = (r32_count + (htab->sgot->size / 4) - rgot_weak_count + 1) * 4;
+ if (lm32fdpic_fixup32_section (info)->size == 0)
+ lm32fdpic_fixup32_section (info)->flags |= SEC_EXCLUDE;
+ else
+ {
+ lm32fdpic_fixup32_section (info)->contents =
+ bfd_zalloc (dynobj, lm32fdpic_fixup32_section (info)->size);
+ if (lm32fdpic_fixup32_section (info)->contents == NULL)
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Create dynamic sections when linking against a dynamic object. */
+
+static bfd_boolean
+lm32_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
+{
+ struct elf_lm32_link_hash_table *htab;
+ flagword flags, pltflags;
+ asection *s;
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ int ptralign = 2; /* 32bit */
+
+ htab = lm32_elf_hash_table (info);
+
+ /* Make sure we have a GOT - For the case where we have a dynamic object
+ but none of the relocs in check_relocs */
+ if (! create_got_section (abfd, info))
+ return FALSE;
+ if (IS_FDPIC (abfd) && (htab->sfixup32 == NULL))
+ {
+ if (! create_rofixup_section (abfd, info))
+ return FALSE;
+ }
+
+ /* We need to create .plt, .rel[a].plt, .got, .got.plt, .dynbss, and
+ .rel[a].bss sections. */
+ flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED);
+
+ pltflags = flags;
+ pltflags |= SEC_CODE;
+ if (bed->plt_not_loaded)
+ pltflags &= ~ (SEC_LOAD | SEC_HAS_CONTENTS);
+ if (bed->plt_readonly)
+ pltflags |= SEC_READONLY;
+
+ s = bfd_make_section_with_flags (abfd, ".plt", pltflags);
+ htab->splt = s;
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, bed->plt_alignment))
+ return FALSE;
+
+ if (bed->want_plt_sym)
+ {
+ /* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
+ .plt section. */
+ struct bfd_link_hash_entry *bh = NULL;
+ struct elf_link_hash_entry *h;
+
+ if (! (_bfd_generic_link_add_one_symbol
+ (info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
+ (bfd_vma) 0, NULL, FALSE,
+ get_elf_backend_data (abfd)->collect, &bh)))
+ return FALSE;
+ h = (struct elf_link_hash_entry *) bh;
+ h->def_regular = 1;
+ h->type = STT_OBJECT;
+ htab->root.hplt = h;
+
+ if (info->shared
+ && ! bfd_elf_link_record_dynamic_symbol (info, h))
+ return FALSE;
+ }
+
+ s = bfd_make_section_with_flags (abfd,
+ bed->default_use_rela_p ? ".rela.plt" : ".rel.plt",
+ flags | SEC_READONLY);
+ htab->srelplt = s;
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, ptralign))
+ return FALSE;
+
+ if (htab->sgot == NULL
+ && ! create_got_section (abfd, info))
+ return FALSE;
+
+ {
+ const char *secname;
+ char *relname;
+ flagword secflags;
+ asection *sec;
+
+ for (sec = abfd->sections; sec; sec = sec->next)
+ {
+ secflags = bfd_get_section_flags (abfd, sec);
+ if ((secflags & (SEC_DATA | SEC_LINKER_CREATED))
+ || ((secflags & SEC_HAS_CONTENTS) != SEC_HAS_CONTENTS))
+ continue;
+ secname = bfd_get_section_name (abfd, sec);
+ relname = bfd_malloc ((bfd_size_type) strlen (secname) + 6);
+ strcpy (relname, ".rela");
+ strcat (relname, secname);
+ if (bfd_get_section_by_name (abfd, secname))
+ continue;
+ s = bfd_make_section_with_flags (abfd, relname,
+ flags | SEC_READONLY);
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, ptralign))
+ return FALSE;
+ }
+ }
+
+ if (bed->want_dynbss)
+ {
+ /* The .dynbss section is a place to put symbols which are defined
+ by dynamic objects, are referenced by regular objects, and are
+ not functions. We must allocate space for them in the process
+ image and use a R_*_COPY reloc to tell the dynamic linker to
+ initialize them at run time. The linker script puts the .dynbss
+ section into the .bss section of the final image. */
+ s = bfd_make_section_with_flags (abfd, ".dynbss",
+ SEC_ALLOC | SEC_LINKER_CREATED);
+ htab->sdynbss = s;
+ if (s == NULL)
+ return FALSE;
+ /* The .rel[a].bss section holds copy relocs. This section is not
+ normally needed. We need to create it here, though, so that the
+ linker will map it to an output section. We can't just create it
+ only if we need it, because we will not know whether we need it
+ until we have seen all the input files, and the first time the
+ main linker code calls BFD after examining all the input files
+ (size_dynamic_sections) the input sections have already been
+ mapped to the output sections. If the section turns out not to
+ be needed, we can discard it later. We will never need this
+ section when generating a shared object, since they do not use
+ copy relocs. */
+ if (! info->shared)
+ {
+ s = bfd_make_section_with_flags (abfd,
+ (bed->default_use_rela_p
+ ? ".rela.bss" : ".rel.bss"),
+ flags | SEC_READONLY);
+ htab->srelbss = s;
+ if (s == NULL
+ || ! bfd_set_section_alignment (abfd, s, ptralign))
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+lm32_elf_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *dir,
+ struct elf_link_hash_entry *ind)
+{
+ struct elf_lm32_link_hash_entry * edir;
+ struct elf_lm32_link_hash_entry * eind;
+
+ edir = (struct elf_lm32_link_hash_entry *) dir;
+ eind = (struct elf_lm32_link_hash_entry *) ind;
+
+ if (eind->dyn_relocs != NULL)
+ {
+ if (edir->dyn_relocs != NULL)
+ {
+ struct elf_lm32_dyn_relocs **pp;
+ struct elf_lm32_dyn_relocs *p;
+
+ /* Add reloc counts against the indirect sym to the direct sym
+ list. Merge any entries against the same section. */
+ for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
+ {
+ struct elf_lm32_dyn_relocs *q;
+
+ for (q = edir->dyn_relocs; q != NULL; q = q->next)
+ if (q->sec == p->sec)
+ {
+ q->pc_count += p->pc_count;
+ q->count += p->count;
+ *pp = p->next;
+ break;
+ }
+ if (q == NULL)
+ pp = &p->next;
+ }
+ *pp = edir->dyn_relocs;
+ }
+
+ edir->dyn_relocs = eind->dyn_relocs;
+ eind->dyn_relocs = NULL;
+ }
+
+ _bfd_elf_link_hash_copy_indirect (info, dir, ind);
+}
+
+static bfd_boolean
+lm32_elf_always_size_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ if (!info->relocatable)
+ {
+ struct elf_link_hash_entry *h;
+
+ /* Force a PT_GNU_STACK segment to be created. */
+ if (! elf_tdata (output_bfd)->stack_flags)
+ elf_tdata (output_bfd)->stack_flags = PF_R | PF_W | PF_X;
+
+ /* Define __stacksize if it's not defined yet. */
+ h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
+ FALSE, FALSE, FALSE);
+ if (! h || h->root.type != bfd_link_hash_defined
+ || h->type != STT_OBJECT
+ || !h->def_regular)
+ {
+ struct bfd_link_hash_entry *bh = NULL;
+
+ if (!(_bfd_generic_link_add_one_symbol
+ (info, output_bfd, "__stacksize",
+ BSF_GLOBAL, bfd_abs_section_ptr, DEFAULT_STACK_SIZE,
+ (const char *) NULL, FALSE,
+ get_elf_backend_data (output_bfd)->collect, &bh)))
+ return FALSE;
+
+ h = (struct elf_link_hash_entry *) bh;
+ h->def_regular = 1;
+ h->type = STT_OBJECT;
+ /* This one must NOT be hidden. */
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+lm32_elf_modify_segment_map (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_segment_map *m;
+
+ /* objcopy and strip preserve what's already there using elf32_lm32fdpic_copy_
+ private_bfd_data (). */
+ if (! info)
+ return TRUE;
+
+ for (m = elf_tdata (output_bfd)->segment_map; m != NULL; m = m->next)
+ if (m->p_type == PT_GNU_STACK)
+ break;
+
+ if (m)
+ {
+ asection *sec = bfd_get_section_by_name (output_bfd, ".stack");
+ struct elf_link_hash_entry *h;
+
+ if (sec)
+ {
+ /* Obtain the pointer to the __stacksize symbol. */
+ h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
+ FALSE, FALSE, FALSE);
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *)h->root.u.i.link;
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+
+ /* Set the section size from the symbol value. We
+ intentionally ignore the symbol section. */
+ if (h->root.type == bfd_link_hash_defined)
+ sec->size = h->root.u.def.value;
+ else
+ sec->size = DEFAULT_STACK_SIZE;
+
+ /* Add the stack section to the PT_GNU_STACK segment,
+ such that its size and alignment requirements make it
+ to the segment. */
+ m->sections[m->count] = sec;
+ m->count++;
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+lm32_elf_modify_program_headers (bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_obj_tdata *tdata = elf_tdata (output_bfd);
+ struct elf_segment_map *m;
+ Elf_Internal_Phdr *p;
+
+ if (! info)
+ return TRUE;
+
+ for (p = tdata->phdr, m = tdata->segment_map; m != NULL; m = m->next, p++)
+ if (m->p_type == PT_GNU_STACK)
+ break;
+
+ if (m)
+ {
+ struct elf_link_hash_entry *h;
+
+ /* Obtain the pointer to the __stacksize symbol. */
+ h = elf_link_hash_lookup (elf_hash_table (info), "__stacksize",
+ FALSE, FALSE, FALSE);
+ if (h)
+ {
+ while (h->root.type == bfd_link_hash_indirect
+ || h->root.type == bfd_link_hash_warning)
+ h = (struct elf_link_hash_entry *) h->root.u.i.link;
+ BFD_ASSERT (h->root.type == bfd_link_hash_defined);
+ }
+
+ /* Set the header p_memsz from the symbol value. We
+ intentionally ignore the symbol section. */
+ if (h && h->root.type == bfd_link_hash_defined)
+ p->p_memsz = h->root.u.def.value;
+ else
+ p->p_memsz = DEFAULT_STACK_SIZE;
+
+ p->p_align = 8;
+ }
+
+ return TRUE;
+}
+
+
+static bfd_boolean
+lm32_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return TRUE;
+
+ BFD_ASSERT (!elf_flags_init (obfd)
+ || elf_elfheader (obfd)->e_flags == elf_elfheader (ibfd)->e_flags);
+
+ elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
+ elf_flags_init (obfd) = TRUE;
+
+ /* Copy object attributes. */
+ _bfd_elf_copy_obj_attributes (ibfd, obfd);
+
+ return TRUE;
+}
+
+
+static bfd_boolean
+lm32_elf_fdpic_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
+{
+ unsigned i;
+
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
+ || bfd_get_flavour (obfd) != bfd_target_elf_flavour)
+ return TRUE;
+
+ if (! lm32_elf_copy_private_bfd_data (ibfd, obfd))
+ return FALSE;
+
+ if (! elf_tdata (ibfd) || ! elf_tdata (ibfd)->phdr
+ || ! elf_tdata (obfd) || ! elf_tdata (obfd)->phdr)
+ return TRUE;
+
+ /* Copy the stack size. */
+ for (i = 0; i < elf_elfheader (ibfd)->e_phnum; i++)
+ if (elf_tdata (ibfd)->phdr[i].p_type == PT_GNU_STACK)
+ {
+ Elf_Internal_Phdr *iphdr = &elf_tdata (ibfd)->phdr[i];
+
+ for (i = 0; i < elf_elfheader (obfd)->e_phnum; i++)
+ if (elf_tdata (obfd)->phdr[i].p_type == PT_GNU_STACK)
+ {
+ memcpy (&elf_tdata (obfd)->phdr[i], iphdr, sizeof (*iphdr));
+
+ /* Rewrite the phdrs, since we're only called after they were first written. */
+ if (bfd_seek (obfd, (bfd_signed_vma) get_elf_backend_data (obfd)
+ ->s->sizeof_ehdr, SEEK_SET) != 0
+ || get_elf_backend_data (obfd)->s->write_out_phdrs (obfd, elf_tdata (obfd)->phdr,
+ elf_elfheader (obfd)->e_phnum) != 0)
+ return FALSE;
+ break;
+ }
+
+ break;
+ }
+
+ return TRUE;
+}
+
+
+#define ELF_ARCH bfd_arch_lm32
+#define ELF_MACHINE_CODE EM_LATTICEMICO32
+#define ELF_MAXPAGESIZE 0x1000
+
+#define TARGET_BIG_SYM bfd_elf32_lm32_vec
+#define TARGET_BIG_NAME "elf32-lm32"
+
+#define bfd_elf32_bfd_reloc_type_lookup lm32_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup lm32_reloc_name_lookup
+#define elf_info_to_howto lm32_info_to_howto_rela
+#define elf_info_to_howto_rel 0
+#define elf_backend_rela_normal 1
+#define elf_backend_object_p lm32_elf_object_p
+#define elf_backend_final_write_processing lm32_elf_final_write_processing
+#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
+#define elf_backend_gc_mark_hook lm32_elf_gc_mark_hook
+#define elf_backend_gc_sweep_hook lm32_elf_gc_sweep_hook
+#define elf_backend_plt_readonly 1
+#define elf_backend_want_got_plt 1
+#define elf_backend_want_plt_sym 0
+#define elf_backend_got_header_size 12
+#define bfd_elf32_bfd_link_hash_table_create lm32_elf_link_hash_table_create
+#define elf_backend_check_relocs lm32_elf_check_relocs
+#define elf_backend_reloc_type_class lm32_elf_reloc_type_class
+#define elf_backend_copy_indirect_symbol lm32_elf_copy_indirect_symbol
+#define elf_backend_size_dynamic_sections lm32_elf_size_dynamic_sections
+#define elf_backend_omit_section_dynsym ((bfd_boolean (*) (bfd *, struct bfd_link_info *, asection *)) bfd_true)
+#define elf_backend_create_dynamic_sections lm32_elf_create_dynamic_sections
+#define elf_backend_finish_dynamic_sections lm32_elf_finish_dynamic_sections
+#define elf_backend_adjust_dynamic_symbol lm32_elf_adjust_dynamic_symbol
+#define elf_backend_finish_dynamic_symbol lm32_elf_finish_dynamic_symbol
+#define elf_backend_relocate_section lm32_elf_relocate_section
+
+#include "elf32-target.h"
+
+#undef ELF_MAXPAGESIZE
+#define ELF_MAXPAGESIZE 0x4000
+
+
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM bfd_elf32_lm32fdpic_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-lm32fdpic"
+#undef elf32_bed
+#define elf32_bed elf32_lm32fdpic_bed
+
+#undef elf_backend_always_size_sections
+#define elf_backend_always_size_sections lm32_elf_always_size_sections
+#undef elf_backend_modify_segment_map
+#define elf_backend_modify_segment_map lm32_elf_modify_segment_map
+#undef elf_backend_modify_program_headers
+#define elf_backend_modify_program_headers lm32_elf_modify_program_headers
+#undef bfd_elf32_bfd_copy_private_bfd_data
+#define bfd_elf32_bfd_copy_private_bfd_data lm32_elf_fdpic_copy_private_bfd_data
+
+#include "elf32-target.h"
projects / msp430-binutils.git / blobdiff