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* elf32-m32r.c (m32r_elf_create_dynamic_sections): Fix pointer
aliasing warning. Remove trailing whitespace throughout file.
This commit is contained in:
parent
fdd12ef3c6
commit
419783084d
@ -1,3 +1,8 @@
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2004-03-16 Alan Modra <amodra@bigpond.net.au>
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* elf32-m32r.c (m32r_elf_create_dynamic_sections): Fix pointer
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aliasing warning. Remove trailing whitespace throughout file.
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2004-03-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
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* elf-hppa.h (elf_hppa_relocate_section): Pass input_bfd instead of
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289
bfd/elf32-m32r.c
289
bfd/elf32-m32r.c
@ -1,5 +1,5 @@
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/* M32R-specific support for 32-bit ELF.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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@ -93,11 +93,11 @@ static bfd_boolean m32r_elf_create_dynamic_sections
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static bfd_boolean m32r_elf_finish_dynamic_sections
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PARAMS ((bfd *, struct bfd_link_info *));
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static bfd_boolean m32r_elf_finish_dynamic_symbol
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PARAMS ((bfd *, struct bfd_link_info *, struct elf_link_hash_entry *,
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Elf_Internal_Sym *));
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static bfd_boolean allocate_dynrelocs
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PARAMS ((struct elf_link_hash_entry *, PTR));
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static bfd_boolean readonly_dynrelocs
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@ -122,39 +122,39 @@ static bfd_boolean m32r_elf_fake_sections
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/* Use RELA. But use REL to link old objects for backwords compatibility. */
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/* Functions for the M32R ELF linker. */
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/* The name of the dynamic interpreter. This is put in the .interp
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section. */
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#define ELF_DYNAMIC_INTERPRETER "/usr/lib/libc.so.1"
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/* The nop opcode we use. */
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#define M32R_NOP 0x7000f000
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#define PLT_EMPTY 0x10101010 /* RIE -> RIE */
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/* The size in bytes of an entry in the procedure linkage table. */
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#define PLT_ENTRY_SIZE 20
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#define PLT_HEADER_SIZE 20
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/* The first one entries in a procedure linkage table are reserved,
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and the initial contents are unimportant (we zero them out).
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Subsequent entries look like this. */
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#define PLT0_ENTRY_WORD0 0xd6c00000 /* seth r6, #high(.got+4) */
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#define PLT0_ENTRY_WORD1 0x86e60000 /* or3 r6, r6, #low(.got)+4) */
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#define PLT0_ENTRY_WORD2 0x24e626c6 /* ld r4, @r6+ -> ld r6, @r6 */
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#define PLT0_ENTRY_WORD3 0x1fc6f000 /* jmp r6 || pnop */
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#define PLT0_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
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#define PLT0_PIC_ENTRY_WORD0 0xa4cc0004 /* ld r4, @(4,r12) */
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#define PLT0_PIC_ENTRY_WORD1 0xa6cc0008 /* ld r6, @(8,r12) */
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#define PLT0_PIC_ENTRY_WORD2 0x1fc6f000 /* jmp r6 || nop */
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#define PLT0_PIC_ENTRY_WORD3 PLT_EMPTY /* RIE -> RIE */
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#define PLT0_PIC_ENTRY_WORD4 PLT_EMPTY /* RIE -> RIE */
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#define PLT_ENTRY_WORD0 0xe6000000 /* ld24 r6, .name_in_GOT */
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#define PLT_ENTRY_WORD1 0x06acf000 /* add r6, r12 || nop */
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#define PLT_ENTRY_WORD0b 0xd6c00000 /* seth r6, #high(.name_in_GOT) */
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@ -1248,7 +1248,7 @@ static const struct m32r_reloc_map m32r_reloc_map[] =
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{ BFD_RELOC_M32R_SDA16, R_M32R_SDA16_RELA },
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{ BFD_RELOC_VTABLE_INHERIT, R_M32R_RELA_GNU_VTINHERIT },
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{ BFD_RELOC_VTABLE_ENTRY, R_M32R_RELA_GNU_VTENTRY },
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{ BFD_RELOC_M32R_GOT24, R_M32R_GOT24 },
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{ BFD_RELOC_M32R_26_PLTREL, R_M32R_26_PLTREL },
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{ BFD_RELOC_M32R_COPY, R_M32R_COPY },
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@ -1596,7 +1596,7 @@ m32r_elf_link_hash_newfunc (entry, table, string)
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{
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struct elf_m32r_link_hash_entry *ret =
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(struct elf_m32r_link_hash_entry *) entry;
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/* Allocate the structure if it has not already been allocated by a
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subclass. */
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if (ret == (struct elf_m32r_link_hash_entry *) NULL)
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@ -1605,7 +1605,7 @@ m32r_elf_link_hash_newfunc (entry, table, string)
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sizeof (struct elf_m32r_link_hash_entry)));
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if (ret == (struct elf_m32r_link_hash_entry *) NULL)
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return (struct bfd_hash_entry *) ret;
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/* Call the allocation method of the superclass. */
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ret = ((struct elf_m32r_link_hash_entry *)
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_bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
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@ -1613,13 +1613,13 @@ m32r_elf_link_hash_newfunc (entry, table, string)
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if (ret != (struct elf_m32r_link_hash_entry *) NULL)
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{
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struct elf_m32r_link_hash_entry *eh;
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eh = (struct elf_m32r_link_hash_entry *) ret;
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eh->dyn_relocs = NULL;
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// eh->gotplt_refcount = 0;
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/* eh->pcrel_relocs_copied = NULL; FIXME */
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}
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return (struct bfd_hash_entry *) ret;
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}
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@ -1632,18 +1632,18 @@ m32r_elf_link_hash_table_create (abfd)
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{
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struct elf_m32r_link_hash_table *ret;
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bfd_size_type amt = sizeof (struct elf_m32r_link_hash_table);
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ret = (struct elf_m32r_link_hash_table *) bfd_malloc (amt);
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if (ret == (struct elf_m32r_link_hash_table *) NULL)
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return NULL;
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if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
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m32r_elf_link_hash_newfunc))
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{
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free (ret);
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return NULL;
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}
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ret->sgot = NULL;
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ret->sgotplt = NULL;
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ret->srelgot = NULL;
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@ -1652,7 +1652,7 @@ m32r_elf_link_hash_table_create (abfd)
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ret->sdynbss = NULL;
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ret->srelbss = NULL;
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ret->sym_sec.abfd = NULL;
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return &ret->root.root;
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}
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@ -1730,13 +1730,14 @@ m32r_elf_create_dynamic_sections (abfd, info)
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{
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/* Define the symbol _PROCEDURE_LINKAGE_TABLE_ at the start of the
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.plt section. */
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struct elf_link_hash_entry *h = NULL;
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struct bfd_link_hash_entry *bh = NULL;
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struct elf_link_hash_entry *h;
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if (! (_bfd_generic_link_add_one_symbol
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(info, abfd, "_PROCEDURE_LINKAGE_TABLE_", BSF_GLOBAL, s,
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(bfd_vma) 0, (const char *) NULL, FALSE,
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get_elf_backend_data (abfd)->collect,
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(struct bfd_link_hash_entry **) &h)))
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get_elf_backend_data (abfd)->collect, &bh)))
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return FALSE;
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h = (struct elf_link_hash_entry *) bh;
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h->elf_link_hash_flags |= ELF_LINK_HASH_DEF_REGULAR;
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h->type = STT_OBJECT;
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@ -1827,33 +1828,33 @@ m32r_elf_create_dynamic_sections (abfd, info)
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static void m32r_elf_copy_indirect_symbol (const struct elf_backend_data *,
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struct elf_link_hash_entry *,
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struct elf_link_hash_entry *);
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static void
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m32r_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
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struct elf_link_hash_entry *dir,
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struct elf_link_hash_entry *ind)
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{
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struct elf_m32r_link_hash_entry *edir, *eind;
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edir = (struct elf_m32r_link_hash_entry *) dir;
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eind = (struct elf_m32r_link_hash_entry *) ind;
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if (eind->dyn_relocs != NULL)
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{
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if (edir->dyn_relocs != NULL)
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{
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struct elf_m32r_dyn_relocs **pp;
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struct elf_m32r_dyn_relocs *p;
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if (ind->root.type == bfd_link_hash_indirect)
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abort ();
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/* Add reloc counts against the weak sym to the strong sym
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list. Merge any entries against the same section. */
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for (pp = &eind->dyn_relocs; (p = *pp) != NULL; )
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{
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struct elf_m32r_dyn_relocs *q;
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for (q = edir->dyn_relocs; q != NULL; q = q->next)
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if (q->sec == p->sec)
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{
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@ -1867,11 +1868,11 @@ m32r_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
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}
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*pp = edir->dyn_relocs;
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}
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edir->dyn_relocs = eind->dyn_relocs;
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eind->dyn_relocs = NULL;
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}
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// if (ind->root.type == bfd_link_hash_indirect
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// && dir->got.refcount <= 0)
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// {
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@ -1887,7 +1888,7 @@ m32r_elf_copy_indirect_symbol (const struct elf_backend_data *bed,
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dynamic object, but we're not including those sections. We have to
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change the definition to something the rest of the link can
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understand. */
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static bfd_boolean
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m32r_elf_adjust_dynamic_symbol (info, h)
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struct bfd_link_info *info;
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@ -1903,9 +1904,9 @@ m32r_elf_adjust_dynamic_symbol (info, h)
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#ifdef DEBUG_PIC
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printf("m32r_elf_adjust_dynamic_symbol()\n");
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#endif
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dynobj = elf_hash_table (info)->dynobj;
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/* Make sure we know what is going on here. */
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BFD_ASSERT (dynobj != NULL
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&& ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT)
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@ -1917,7 +1918,7 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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&& (h->elf_link_hash_flags
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& ELF_LINK_HASH_DEF_REGULAR) == 0)));
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/* If this is a function, put it in the procedure linkage table. We
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will fill in the contents of the procedure linkage table later,
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when we know the address of the .got section. */
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@ -1943,7 +1944,7 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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}
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else
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h->plt.offset = (bfd_vma) -1;
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/* If this is a weak symbol, and there is a real definition, the
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processor independent code will have arranged for us to see the
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real definition first, and we can just use the same value. */
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@ -1955,17 +1956,17 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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h->root.u.def.value = h->weakdef->root.u.def.value;
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return TRUE;
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}
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/* This is a reference to a symbol defined by a dynamic object which
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is not a function. */
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/* If we are creating a shared library, we must presume that the
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only references to the symbol are via the global offset table.
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For such cases we need not do anything here; the relocations will
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be handled correctly by relocate_section. */
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if (info->shared)
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return TRUE;
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/* If there are no references to this symbol that do not use the
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GOT, we don't need to generate a copy reloc. */
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if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
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@ -2004,11 +2005,11 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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determine the address it must put in the global offset table, so
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both the dynamic object and the regular object will refer to the
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same memory location for the variable. */
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htab = m32r_elf_hash_table (info);
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s = htab->sdynbss;
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BFD_ASSERT (s != NULL);
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/* We must generate a R_M32R_COPY reloc to tell the dynamic linker
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to copy the initial value out of the dynamic object and into the
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runtime process image. We need to remember the offset into the
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@ -2016,19 +2017,19 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
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{
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asection *srel;
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srel = htab->srelbss;
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BFD_ASSERT (srel != NULL);
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srel->_raw_size += sizeof (Elf32_External_Rela);
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h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
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}
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/* We need to figure out the alignment required for this symbol. I
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have no idea how ELF linkers handle this. */
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power_of_two = bfd_log2 (h->size);
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if (power_of_two > 3)
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power_of_two = 3;
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/* Apply the required alignment. */
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s->_raw_size = BFD_ALIGN (s->_raw_size,
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(bfd_size_type) (1 << power_of_two));
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@ -2037,14 +2038,14 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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if (! bfd_set_section_alignment (dynobj, s, power_of_two))
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return FALSE;
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}
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/* Define the symbol as being at this point in the section. */
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h->root.u.def.section = s;
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h->root.u.def.value = s->_raw_size;
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/* Increment the section size to make room for the symbol. */
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s->_raw_size += h->size;
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return TRUE;
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}
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@ -2061,7 +2062,7 @@ printf("m32r_elf_adjust_dynamic_symbol()\n");
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/* Allocate space in .plt, .got and associated reloc sections for
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dynamic relocs. */
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static bfd_boolean
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allocate_dynrelocs (h, inf)
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struct elf_link_hash_entry *h;
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@ -2071,19 +2072,19 @@ allocate_dynrelocs (h, inf)
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struct elf_m32r_link_hash_table *htab;
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struct elf_m32r_link_hash_entry *eh;
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struct elf_m32r_dyn_relocs *p;
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if (h->root.type == bfd_link_hash_indirect)
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return TRUE;
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if (h->root.type == bfd_link_hash_warning)
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/* When warning symbols are created, they **replace** the "real"
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entry in the hash table, thus we never get to see the real
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symbol in a hash traversal. So look at it now. */
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h = (struct elf_link_hash_entry *) h->root.u.i.link;
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info = (struct bfd_link_info *) inf;
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htab = m32r_elf_hash_table (info);
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eh = (struct elf_m32r_link_hash_entry *) h;
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// if ((h->got.refcount > 0
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// || (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL))
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@ -2095,7 +2096,7 @@ allocate_dynrelocs (h, inf)
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// if (h->plt.refcount >= eh->gotplt_refcount)
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// h->plt.refcount -= eh->gotplt_refcount;
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// }
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if (htab->root.dynamic_sections_created
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&& h->plt.refcount > 0)
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{
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@ -2107,18 +2108,18 @@ allocate_dynrelocs (h, inf)
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if (! bfd_elf32_link_record_dynamic_symbol (info, h))
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return FALSE;
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}
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if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
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{
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asection *s = htab->splt;
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/* If this is the first .plt entry, make room for the special
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first entry. */
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if (s->_raw_size == 0)
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s->_raw_size += PLT_ENTRY_SIZE;
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h->plt.offset = s->_raw_size;
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/* If this symbol is not defined in a regular file, and we are
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not generating a shared library, then set the symbol to this
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location in the .plt. This is required to make function
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@ -2130,14 +2131,14 @@ allocate_dynrelocs (h, inf)
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h->root.u.def.section = s;
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h->root.u.def.value = h->plt.offset;
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}
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/* Make room for this entry. */
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s->_raw_size += PLT_ENTRY_SIZE;
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/* We also need to make an entry in the .got.plt section, which
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will be placed in the .got section by the linker script. */
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htab->sgotplt->_raw_size += 4;
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/* We also need to make an entry in the .rel.plt section. */
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htab->srelplt->_raw_size += sizeof (Elf32_External_Rela);
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}
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@ -2152,12 +2153,12 @@ allocate_dynrelocs (h, inf)
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h->plt.offset = (bfd_vma) -1;
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h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
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}
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if (h->got.refcount > 0)
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{
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asection *s;
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bfd_boolean dyn;
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/* Make sure this symbol is output as a dynamic symbol.
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Undefined weak syms won't yet be marked as dynamic. */
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if (h->dynindx == -1
|
||||
@ -2166,7 +2167,7 @@ allocate_dynrelocs (h, inf)
|
||||
if (! bfd_elf32_link_record_dynamic_symbol (info, h))
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
|
||||
s = htab->sgot;
|
||||
|
||||
h->got.offset = s->_raw_size;
|
||||
@ -2177,10 +2178,10 @@ allocate_dynrelocs (h, inf)
|
||||
}
|
||||
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
|
||||
@ -2210,7 +2211,7 @@ allocate_dynrelocs (h, inf)
|
||||
/* For the non-shared case, discard space for relocs against
|
||||
symbols which turn out to need copy relocs or are not
|
||||
dynamic. */
|
||||
|
||||
|
||||
if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0
|
||||
&& (((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0
|
||||
&& (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
|
||||
@ -2226,29 +2227,29 @@ allocate_dynrelocs (h, inf)
|
||||
if (! bfd_elf32_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->_raw_size += p->count * sizeof (Elf32_External_Rela);
|
||||
}
|
||||
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
/* Find any dynamic relocs that apply to read-only sections. */
|
||||
|
||||
|
||||
static bfd_boolean
|
||||
readonly_dynrelocs (h, inf)
|
||||
struct elf_link_hash_entry *h;
|
||||
@ -2279,7 +2280,7 @@ readonly_dynrelocs (h, inf)
|
||||
}
|
||||
|
||||
/* Set the sizes of the dynamic sections. */
|
||||
|
||||
|
||||
static bfd_boolean
|
||||
m32r_elf_size_dynamic_sections (output_bfd, info)
|
||||
bfd *output_bfd ATTRIBUTE_UNUSED;
|
||||
@ -2541,7 +2542,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
|
||||
dynobj = htab->root.dynobj;
|
||||
local_got_offsets = elf_local_got_offsets (input_bfd);
|
||||
|
||||
|
||||
sgot = htab->sgot;
|
||||
splt = htab->splt;
|
||||
sreloc = NULL;
|
||||
@ -2681,7 +2682,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
section symbol winds up in the output section. */
|
||||
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
|
||||
rel->r_addend += sec->output_offset + sym->st_value;
|
||||
|
||||
|
||||
continue;
|
||||
}
|
||||
}
|
||||
@ -2744,7 +2745,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
|| r_type == R_M32R_26_PCREL_RELA)
|
||||
&& ((input_section->flags & SEC_ALLOC) != 0
|
||||
/* DWARF will emit R_M32R_16(24,32) relocations
|
||||
in its sections against symbols defined
|
||||
in its sections against symbols defined
|
||||
externally in shared libraries. We can't do
|
||||
anything with them here. */
|
||||
|| ((input_section->flags & SEC_DEBUGGING) != 0
|
||||
@ -2781,7 +2782,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
if (! ((*info->callbacks->undefined_symbol)
|
||||
(info, h->root.root.string, input_bfd,
|
||||
input_section, offset,
|
||||
(!info->shared
|
||||
(!info->shared
|
||||
|| ELF_ST_VISIBILITY (h->other)))))
|
||||
return FALSE;
|
||||
relocation = 0;
|
||||
@ -2806,7 +2807,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
|
||||
case R_M32R_GOTPC_HI_ULO:
|
||||
case R_M32R_GOTPC_HI_SLO:
|
||||
case R_M32R_GOTPC_LO:
|
||||
case R_M32R_GOTPC_LO:
|
||||
{
|
||||
/* .got(_GLOBAL_OFFSET_TABLE_) - pc relocation
|
||||
bl .+4
|
||||
@ -2821,7 +2822,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
relocation -= (input_section->output_section->vma
|
||||
+ input_section->output_offset
|
||||
+ rel->r_offset);
|
||||
if ((r_type == R_M32R_GOTPC_HI_SLO)
|
||||
if ((r_type == R_M32R_GOTPC_HI_SLO)
|
||||
&& ((relocation + rel->r_addend) & 0x8000))
|
||||
rel->r_addend += 0x10000;
|
||||
|
||||
@ -2829,18 +2830,18 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
}
|
||||
case R_M32R_GOT16_HI_ULO:
|
||||
case R_M32R_GOT16_HI_SLO:
|
||||
case R_M32R_GOT16_LO:
|
||||
case R_M32R_GOT16_LO:
|
||||
/* Fall through. */
|
||||
case R_M32R_GOT24:
|
||||
/* 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);
|
||||
|
||||
@ -2860,7 +2861,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
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. */
|
||||
@ -2873,19 +2874,19 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
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);
|
||||
|
||||
|
||||
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. */
|
||||
@ -2894,17 +2895,17 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
else
|
||||
{
|
||||
bfd_put_32 (output_bfd, relocation, sgot->contents + off);
|
||||
|
||||
|
||||
if (info->shared)
|
||||
{
|
||||
asection *srelgot;
|
||||
Elf_Internal_Rela outrel;
|
||||
|
||||
|
||||
/* We need to generate a R_M32R_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);
|
||||
@ -2915,10 +2916,10 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
|
||||
++srelgot->reloc_count;
|
||||
}
|
||||
|
||||
|
||||
local_got_offsets[r_symndx] |= 1;
|
||||
}
|
||||
|
||||
|
||||
relocation = sgot->output_offset + off;
|
||||
}
|
||||
if ((r_type == R_M32R_GOT16_HI_SLO)
|
||||
@ -2926,11 +2927,11 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
rel->r_addend += 0x10000;
|
||||
|
||||
break;
|
||||
|
||||
|
||||
case R_M32R_26_PLTREL:
|
||||
/* Relocation is to the entry for this symbol in the
|
||||
procedure linkage table. */
|
||||
|
||||
|
||||
/* The native assembler will generate a 26_PLTREL reloc
|
||||
for a local symbol if you assemble a call from one
|
||||
section to another when using -K pic. */
|
||||
@ -2950,12 +2951,12 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
using -Bsymbolic. */
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
relocation = (splt->output_section->vma
|
||||
+ splt->output_offset
|
||||
+ h->plt.offset);
|
||||
break;
|
||||
|
||||
|
||||
case R_M32R_HI16_SLO_RELA:
|
||||
{
|
||||
if ((relocation + rel->r_addend) & 0x8000)
|
||||
@ -2986,34 +2987,34 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
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. */
|
||||
|
||||
|
||||
if (sreloc == NULL)
|
||||
{
|
||||
const char *name;
|
||||
|
||||
|
||||
name = (bfd_elf_string_from_elf_section
|
||||
(input_bfd,
|
||||
elf_elfheader (input_bfd)->e_shstrndx,
|
||||
elf_section_data (input_section)->rel_hdr.sh_name));
|
||||
if (name == NULL)
|
||||
return FALSE;
|
||||
|
||||
|
||||
BFD_ASSERT (strncmp (name, ".rela", 5) == 0
|
||||
&& strcmp (bfd_get_section_name (input_bfd,
|
||||
input_section),
|
||||
name + 5) == 0);
|
||||
|
||||
|
||||
sreloc = bfd_get_section_by_name (dynobj, name);
|
||||
BFD_ASSERT (sreloc != NULL);
|
||||
}
|
||||
|
||||
|
||||
skip = FALSE;
|
||||
relocate = FALSE;
|
||||
|
||||
|
||||
outrel.r_offset = _bfd_elf_section_offset (output_bfd,
|
||||
info,
|
||||
input_section,
|
||||
@ -3024,7 +3025,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
skip = TRUE, relocate = TRUE;
|
||||
outrel.r_offset += (input_section->output_section->vma
|
||||
+ input_section->output_offset);
|
||||
|
||||
|
||||
if (skip)
|
||||
memset (&outrel, 0, sizeof outrel);
|
||||
else if (r_type == R_M32R_18_PCREL_RELA
|
||||
@ -3068,7 +3069,7 @@ m32r_elf_relocate_section (output_bfd, info, input_bfd, input_section,
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
|
||||
|
||||
case (int) R_M32R_10_PCREL :
|
||||
r = m32r_elf_do_10_pcrel_reloc (input_bfd, howto, input_section,
|
||||
contents, offset,
|
||||
@ -3238,11 +3239,11 @@ m32r_elf_finish_dynamic_symbol (output_bfd, info, h, sym)
|
||||
struct elf_m32r_link_hash_table *htab;
|
||||
bfd *dynobj;
|
||||
bfd_byte *loc;
|
||||
|
||||
|
||||
#ifdef DEBUG_PIC
|
||||
printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
#endif
|
||||
|
||||
|
||||
htab = m32r_elf_hash_table (info);
|
||||
dynobj = htab->root.dynobj;
|
||||
|
||||
@ -3255,12 +3256,12 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
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;
|
||||
@ -3321,7 +3322,7 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
+ (((unsigned int) ((- (h->plt.offset + 16)) >> 2)) & 0xffffff)),
|
||||
splt->contents + h->plt.offset + 16);
|
||||
}
|
||||
|
||||
|
||||
/* Fill in the entry in the global offset table. */
|
||||
bfd_put_32 (output_bfd,
|
||||
(splt->output_section->vma
|
||||
@ -3339,7 +3340,7 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
loc = srela->contents;
|
||||
loc += plt_index * sizeof(Elf32_External_Rela);
|
||||
bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
|
||||
|
||||
|
||||
if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
|
||||
{
|
||||
/* Mark the symbol as undefined, rather than as defined in
|
||||
@ -3353,18 +3354,18 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
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.
|
||||
@ -3388,28 +3389,28 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
rela.r_info = ELF32_R_INFO (h->dynindx, R_M32R_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->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
|
||||
{
|
||||
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);
|
||||
@ -3420,18 +3421,18 @@ printf("m32r_elf_finish_dynamic_symbol()\n");
|
||||
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
|
||||
|| strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
|
||||
sym->st_shndx = SHN_ABS;
|
||||
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* Finish up the dynamic sections. */
|
||||
|
||||
|
||||
static bfd_boolean
|
||||
m32r_elf_finish_dynamic_sections (output_bfd, info)
|
||||
bfd *output_bfd;
|
||||
@ -3445,20 +3446,20 @@ m32r_elf_finish_dynamic_sections (output_bfd, info)
|
||||
#ifdef DEBUG_PIC
|
||||
printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
#endif
|
||||
|
||||
|
||||
htab = m32r_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->_raw_size);
|
||||
|
||||
@ -3467,9 +3468,9 @@ printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
Elf_Internal_Dyn dyn;
|
||||
const char *name;
|
||||
asection *s;
|
||||
|
||||
|
||||
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
||||
|
||||
|
||||
switch (dyn.d_tag)
|
||||
{
|
||||
default:
|
||||
@ -3477,7 +3478,7 @@ printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
|
||||
case DT_PLTGOT:
|
||||
name = ".got";
|
||||
s = htab->sgot->output_section;
|
||||
s = htab->sgot->output_section;
|
||||
goto get_vma;
|
||||
case DT_JMPREL:
|
||||
name = ".rela.plt";
|
||||
@ -3520,7 +3521,7 @@ printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* Fill in the first entry in the procedure linkage table. */
|
||||
splt = htab->splt;
|
||||
if (splt && splt->_raw_size > 0)
|
||||
@ -3541,7 +3542,7 @@ printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
bfd_put_32 (output_bfd,
|
||||
PLT0_ENTRY_WORD0 | ((addr >> 16) & 0xffff),
|
||||
splt->contents);
|
||||
bfd_put_32 (output_bfd,
|
||||
bfd_put_32 (output_bfd,
|
||||
PLT0_ENTRY_WORD1 | (addr & 0xffff),
|
||||
splt->contents + 4);
|
||||
bfd_put_32 (output_bfd, PLT0_ENTRY_WORD2, splt->contents + 8);
|
||||
@ -3568,7 +3569,7 @@ printf("m32r_elf_finish_dynamic_sections()\n");
|
||||
|
||||
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
|
||||
}
|
||||
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
@ -4473,7 +4474,7 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
|
||||
{
|
||||
case R_M32R_GOT16_HI_ULO:
|
||||
case R_M32R_GOT16_HI_SLO:
|
||||
case R_M32R_GOT16_LO:
|
||||
case R_M32R_GOT16_LO:
|
||||
case R_M32R_GOT24:
|
||||
|
||||
if (h != NULL)
|
||||
@ -4507,7 +4508,7 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
|
||||
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 (h == NULL)
|
||||
@ -4583,23 +4584,23 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
|
||||
if (sreloc == NULL)
|
||||
{
|
||||
const char *name;
|
||||
|
||||
|
||||
name = (bfd_elf_string_from_elf_section
|
||||
(abfd,
|
||||
elf_elfheader (abfd)->e_shstrndx,
|
||||
elf_section_data (sec)->rel_hdr.sh_name));
|
||||
if (name == NULL)
|
||||
return FALSE;
|
||||
|
||||
|
||||
BFD_ASSERT (strncmp (name, ".rela", 5) == 0
|
||||
&& strcmp (bfd_get_section_name (abfd, sec),
|
||||
name + 5) == 0);
|
||||
|
||||
|
||||
sreloc = bfd_get_section_by_name (dynobj, name);
|
||||
if (sreloc == NULL)
|
||||
{
|
||||
flagword flags;
|
||||
|
||||
|
||||
sreloc = bfd_make_section (dynobj, name);
|
||||
flags = (SEC_HAS_CONTENTS | SEC_READONLY
|
||||
| SEC_IN_MEMORY | SEC_LINKER_CREATED);
|
||||
@ -4612,7 +4613,7 @@ m32r_elf_check_relocs (abfd, info, sec, relocs)
|
||||
}
|
||||
elf_section_data (sec)->sreloc = sreloc;
|
||||
}
|
||||
|
||||
|
||||
/* If this is a global symbol, we count the number of
|
||||
relocations we need for this symbol. */
|
||||
if (h != NULL)
|
||||
|
Loading…
Reference in New Issue
Block a user