/* SPARC-specific support for 64-bit ELF
- Copyright (C) 1993, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1993, 95, 96, 97, 98, 99, 2000
+ Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "libbfd.h"
#include "elf-bfd.h"
+#include "opcode/sparc.h"
/* This is defined if one wants to build upward compatible binaries
with the original sparc64-elf toolchain. The support is kept in for
/* In case we're on a 32-bit machine, construct a 64-bit "-1" value. */
#define MINUS_ONE (~ (bfd_vma) 0)
+static struct bfd_link_hash_table * sparc64_elf_bfd_link_hash_table_create
+ PARAMS((bfd *));
static reloc_howto_type *sparc64_elf_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
static void sparc64_elf_info_to_howto
PARAMS((struct bfd_link_info *, struct elf_link_hash_entry *));
static boolean sparc64_elf_size_dynamic_sections
PARAMS((bfd *, struct bfd_link_info *));
+static int sparc64_elf_get_symbol_type
+ PARAMS (( Elf_Internal_Sym *, int));
+static boolean sparc64_elf_add_symbol_hook
+ PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
+ const char **, flagword *, asection **, bfd_vma *));
+static void sparc64_elf_symbol_processing
+ PARAMS ((bfd *, asymbol *));
static boolean sparc64_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
+static boolean sparc64_elf_relax_section
+ PARAMS ((bfd *, asection *, struct bfd_link_info *, boolean *));
static boolean sparc64_elf_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
static reloc_howto_type *
sparc64_elf_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
unsigned int i;
static void
sparc64_elf_info_to_howto (abfd, cache_ptr, dst)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
arelent *cache_ptr;
Elf64_Internal_Rela *dst;
{
static long
sparc64_elf_get_reloc_upper_bound (abfd, sec)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
{
return (sec->reloc_count * 2 + 1) * sizeof (arelent *);
asymbol **symbols;
boolean dynamic;
{
- struct elf_backend_data * const ebd = get_elf_backend_data (abfd);
PTR allocated = NULL;
bfd_byte *native_relocs;
arelent *relent;
{
boolean *failedp = (boolean *) data;
Elf_Internal_Shdr *rela_hdr;
- Elf64_External_Rela *outbound_relocas;
+ Elf64_External_Rela *outbound_relocas, *src_rela;
unsigned int idx, count;
asymbol *last_sym = 0;
int last_sym_idx = 0;
for (idx = 0; idx < sec->reloc_count; idx++)
{
bfd_vma addr;
- unsigned int i;
++count;
/* orelocation has the data, reloc_count has the count... */
outbound_relocas = (Elf64_External_Rela *) rela_hdr->contents;
+ src_rela = outbound_relocas;
for (idx = 0; idx < sec->reloc_count; idx++)
{
Elf_Internal_Rela dst_rela;
- Elf64_External_Rela *src_rela;
arelent *ptr;
asymbol *sym;
int n;
ptr = sec->orelocation[idx];
- src_rela = outbound_relocas + idx;
/* The address of an ELF reloc is section relative for an object
file, and absolute for an executable file or shared library.
dst_rela.r_addend = ptr->addend;
bfd_elf64_swap_reloca_out (abfd, &dst_rela, src_rela);
+ ++src_rela;
}
}
+\f
+/* Sparc64 ELF linker hash table. */
+
+struct sparc64_elf_app_reg
+{
+ unsigned char bind;
+ unsigned short shndx;
+ bfd *abfd;
+ char *name;
+};
+
+struct sparc64_elf_link_hash_table
+{
+ struct elf_link_hash_table root;
+
+ struct sparc64_elf_app_reg app_regs [4];
+};
+
+/* Get the Sparc64 ELF linker hash table from a link_info structure. */
+
+#define sparc64_elf_hash_table(p) \
+ ((struct sparc64_elf_link_hash_table *) ((p)->hash))
+
+/* Create a Sparc64 ELF linker hash table. */
+
+static struct bfd_link_hash_table *
+sparc64_elf_bfd_link_hash_table_create (abfd)
+ bfd *abfd;
+{
+ struct sparc64_elf_link_hash_table *ret;
+
+ ret = ((struct sparc64_elf_link_hash_table *)
+ bfd_zalloc (abfd, sizeof (struct sparc64_elf_link_hash_table)));
+ if (ret == (struct sparc64_elf_link_hash_table *) NULL)
+ return NULL;
+
+ if (! _bfd_elf_link_hash_table_init (&ret->root, abfd,
+ _bfd_elf_link_hash_newfunc))
+ {
+ bfd_release (abfd, ret);
+ return NULL;
+ }
+
+ return &ret->root.root;
+}
+
\f
/* Utility for performing the standard initial work of an instruction
relocation.
input_section,
output_bfd,
error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc_entry ATTRIBUTE_UNUSED;
+ asymbol *symbol ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *input_section ATTRIBUTE_UNUSED;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
{
return bfd_reloc_notsupported;
}
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message;
+ char **error_message ATTRIBUTE_UNUSED;
{
bfd_vma relocation;
bfd_vma insn;
/* sethi (. - plt0), %g1 */
sethi = 0x03000000 | (i * PLT_ENTRY_SIZE);
- /* ba,a,pt %icc, plt1 */
- ba = 0x30480000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff);
+ /* ba,a,pt %xcc, plt1 */
+ ba = 0x30680000 | (((contents+PLT_ENTRY_SIZE) - (entry+4)) / 4 & 0x7ffff);
bfd_put_32 (output_bfd, sethi, entry);
bfd_put_32 (output_bfd, ba, entry+4);
bfd_put_32 (output_bfd, 0x83c3c001, entry+16); /* jmpl %o7+%g1,%g1 */
bfd_put_32 (output_bfd, 0x9e100005, entry+20); /* mov %g5,%o7 */
- bfd_put_64 (output_bfd, contents - entry+4, ptr);
+ bfd_put_64 (output_bfd, contents - (entry+4), ptr);
}
}
}
/* See above for details. */
- block = (index - LARGE_PLT_THRESHOLD) / 160;
- ofs = (index - LARGE_PLT_THRESHOLD) % 160;
- last = (max - LARGE_PLT_THRESHOLD) % 160;
+ block = (((index - LARGE_PLT_THRESHOLD) / 160) * 160)
+ + LARGE_PLT_THRESHOLD;
+ ofs = index - block;
+ if (block + 160 > max)
+ last = (max - LARGE_PLT_THRESHOLD) % 160;
+ else
+ last = 160;
- return ((LARGE_PLT_THRESHOLD + block*160) * PLT_ENTRY_SIZE
+ return (block * PLT_ENTRY_SIZE
+ last * 6*4
+ ofs * 8);
}
return true;
}
+/* Hook called by the linker routine which adds symbols from an object
+ file. We use it for STT_REGISTER symbols. */
+
+static boolean
+sparc64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
+ bfd *abfd;
+ struct bfd_link_info *info;
+ const Elf_Internal_Sym *sym;
+ const char **namep;
+ flagword *flagsp ATTRIBUTE_UNUSED;
+ asection **secp ATTRIBUTE_UNUSED;
+ bfd_vma *valp ATTRIBUTE_UNUSED;
+{
+ static char *stt_types[] = { "NOTYPE", "OBJECT", "FUNCTION" };
+
+ if (ELF_ST_TYPE (sym->st_info) == STT_REGISTER)
+ {
+ int reg;
+ struct sparc64_elf_app_reg *p;
+
+ reg = (int)sym->st_value;
+ switch (reg & ~1)
+ {
+ case 2: reg -= 2; break;
+ case 6: reg -= 4; break;
+ default:
+ (*_bfd_error_handler)
+ (_("%s: Only registers %%g[2367] can be declared using STT_REGISTER"),
+ bfd_get_filename (abfd));
+ return false;
+ }
+
+ if (info->hash->creator != abfd->xvec
+ || (abfd->flags & DYNAMIC) != 0)
+ {
+ /* STT_REGISTER only works when linking an elf64_sparc object.
+ If STT_REGISTER comes from a dynamic object, don't put it into
+ the output bfd. The dynamic linker will recheck it. */
+ *namep = NULL;
+ return true;
+ }
+
+ p = sparc64_elf_hash_table(info)->app_regs + reg;
+
+ if (p->name != NULL && strcmp (p->name, *namep))
+ {
+ (*_bfd_error_handler)
+ (_("Register %%g%d used incompatibly: "
+ "previously declared in %s to %s, in %s redefined to %s"),
+ (int)sym->st_value,
+ bfd_get_filename (p->abfd), *p->name ? p->name : "#scratch",
+ bfd_get_filename (abfd), **namep ? *namep : "#scratch");
+ return false;
+ }
+
+ if (p->name == NULL)
+ {
+ if (**namep)
+ {
+ struct elf_link_hash_entry *h;
+
+ h = (struct elf_link_hash_entry *)
+ bfd_link_hash_lookup (info->hash, *namep, false, false, false);
+
+ if (h != NULL)
+ {
+ unsigned char type = h->type;
+
+ if (type > STT_FUNC) type = 0;
+ (*_bfd_error_handler)
+ (_("Symbol `%s' has differing types: "
+ "previously %s, REGISTER in %s"),
+ *namep, stt_types [type], bfd_get_filename (abfd));
+ return false;
+ }
+
+ p->name = bfd_hash_allocate (&info->hash->table,
+ strlen (*namep) + 1);
+ if (!p->name)
+ return false;
+
+ strcpy (p->name, *namep);
+ }
+ else
+ p->name = "";
+ p->bind = ELF_ST_BIND (sym->st_info);
+ p->abfd = abfd;
+ p->shndx = sym->st_shndx;
+ }
+ else
+ {
+ if (p->bind == STB_WEAK
+ && ELF_ST_BIND (sym->st_info) == STB_GLOBAL)
+ {
+ p->bind = STB_GLOBAL;
+ p->abfd = abfd;
+ }
+ }
+ *namep = NULL;
+ return true;
+ }
+ else if (! *namep || ! **namep)
+ return true;
+ else
+ {
+ int i;
+ struct sparc64_elf_app_reg *p;
+
+ p = sparc64_elf_hash_table(info)->app_regs;
+ for (i = 0; i < 4; i++, p++)
+ if (p->name != NULL && ! strcmp (p->name, *namep))
+ {
+ unsigned char type = ELF_ST_TYPE (sym->st_info);
+
+ if (type > STT_FUNC) type = 0;
+ (*_bfd_error_handler)
+ (_("Symbol `%s' has differing types: "
+ "REGISTER in %s, %s in %s"),
+ *namep, bfd_get_filename (p->abfd), stt_types [type],
+ bfd_get_filename (abfd));
+ return false;
+ }
+ }
+ return true;
+}
+
+/* This function takes care of emiting STT_REGISTER symbols
+ which we cannot easily keep in the symbol hash table. */
+
+static boolean
+sparc64_elf_output_arch_syms (output_bfd, info, finfo, func)
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
+ PTR finfo;
+ boolean (*func) PARAMS ((PTR, const char *,
+ Elf_Internal_Sym *, asection *));
+{
+ int reg;
+ struct sparc64_elf_app_reg *app_regs =
+ sparc64_elf_hash_table(info)->app_regs;
+ Elf_Internal_Sym sym;
+
+ /* We arranged in size_dynamic_sections to put the STT_REGISTER entries
+ at the end of the dynlocal list, so they came at the end of the local
+ symbols in the symtab. Except that they aren't STB_LOCAL, so we need
+ to back up symtab->sh_info. */
+ if (elf_hash_table (info)->dynlocal)
+ {
+ bfd * dynobj = elf_hash_table (info)->dynobj;
+ asection *dynsymsec = bfd_get_section_by_name (dynobj, ".dynsym");
+ struct elf_link_local_dynamic_entry *e;
+
+ for (e = elf_hash_table (info)->dynlocal; e ; e = e->next)
+ if (e->input_indx == -1)
+ break;
+ if (e)
+ {
+ elf_section_data (dynsymsec->output_section)->this_hdr.sh_info
+ = e->dynindx;
+ }
+ }
+
+ if (info->strip == strip_all)
+ return true;
+
+ for (reg = 0; reg < 4; reg++)
+ if (app_regs [reg].name != NULL)
+ {
+ if (info->strip == strip_some
+ && bfd_hash_lookup (info->keep_hash,
+ app_regs [reg].name,
+ false, false) == NULL)
+ continue;
+
+ sym.st_value = reg < 2 ? reg + 2 : reg + 4;
+ sym.st_size = 0;
+ sym.st_other = 0;
+ sym.st_info = ELF_ST_INFO (app_regs [reg].bind, STT_REGISTER);
+ sym.st_shndx = app_regs [reg].shndx;
+ if (! (*func) (finfo, app_regs [reg].name, &sym,
+ sym.st_shndx == SHN_ABS
+ ? bfd_abs_section_ptr : bfd_und_section_ptr))
+ return false;
+ }
+
+ return true;
+}
+
+static int
+sparc64_elf_get_symbol_type (elf_sym, type)
+ Elf_Internal_Sym * elf_sym;
+ int type;
+{
+ if (ELF_ST_TYPE (elf_sym->st_info) == STT_REGISTER)
+ return STT_REGISTER;
+ else
+ return type;
+}
+
+/* A STB_GLOBAL,STT_REGISTER symbol should be BSF_GLOBAL
+ even in SHN_UNDEF section. */
+
+static void
+sparc64_elf_symbol_processing (abfd, asym)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asymbol *asym;
+{
+ elf_symbol_type *elfsym;
+
+ elfsym = (elf_symbol_type *) asym;
+ if (elfsym->internal_elf_sym.st_info
+ == ELF_ST_INFO (STB_GLOBAL, STT_REGISTER))
+ {
+ asym->flags |= BSF_GLOBAL;
+ }
+}
+
/* 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
if (strip)
{
- _bfd_strip_section_from_output (s);
+ _bfd_strip_section_from_output (info, s);
continue;
}
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. */
+ int reg;
+ struct sparc64_elf_app_reg * app_regs;
+ struct bfd_strtab_hash *dynstr;
+ struct elf_link_hash_table *eht = elf_hash_table (info);
+
if (! info->shared)
{
if (! bfd_elf64_add_dynamic_entry (info, DT_DEBUG, 0))
{
if (! bfd_elf64_add_dynamic_entry (info, DT_TEXTREL, 0))
return false;
+ info->flags |= DF_TEXTREL;
}
+
+ /* Add dynamic STT_REGISTER symbols and corresponding DT_SPARC_REGISTER
+ entries if needed. */
+ app_regs = sparc64_elf_hash_table (info)->app_regs;
+ dynstr = eht->dynstr;
+
+ for (reg = 0; reg < 4; reg++)
+ if (app_regs [reg].name != NULL)
+ {
+ struct elf_link_local_dynamic_entry *entry, *e;
+
+ if (! bfd_elf64_add_dynamic_entry (info, DT_SPARC_REGISTER, 0))
+ return false;
+
+ entry = (struct elf_link_local_dynamic_entry *)
+ bfd_hash_allocate (&info->hash->table, sizeof (*entry));
+ if (entry == NULL)
+ return false;
+
+ /* We cheat here a little bit: the symbol will not be local, so we
+ put it at the end of the dynlocal linked list. We will fix it
+ later on, as we have to fix other fields anyway. */
+ entry->isym.st_value = reg < 2 ? reg + 2 : reg + 4;
+ entry->isym.st_size = 0;
+ if (*app_regs [reg].name != '\0')
+ entry->isym.st_name
+ = _bfd_stringtab_add (dynstr, app_regs[reg].name, true, false);
+ else
+ entry->isym.st_name = 0;
+ entry->isym.st_other = 0;
+ entry->isym.st_info = ELF_ST_INFO (app_regs [reg].bind,
+ STT_REGISTER);
+ entry->isym.st_shndx = app_regs [reg].shndx;
+ entry->next = NULL;
+ entry->input_bfd = output_bfd;
+ entry->input_indx = -1;
+
+ if (eht->dynlocal == NULL)
+ eht->dynlocal = entry;
+ else
+ {
+ for (e = eht->dynlocal; e->next; e = e->next)
+ ;
+ e->next = entry;
+ }
+ eht->dynsymcount++;
+ }
}
return true;
}
\f
+#define SET_SEC_DO_RELAX(section) do { elf_section_data(section)->tdata = (void *)1; } while (0)
+#define SEC_DO_RELAX(section) (elf_section_data(section)->tdata == (void *)1)
+
+/*ARGSUSED*/
+static boolean
+sparc64_elf_relax_section (abfd, section, link_info, again)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ asection *section ATTRIBUTE_UNUSED;
+ struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
+ boolean *again;
+{
+ *again = false;
+ SET_SEC_DO_RELAX (section);
+ return true;
+}
+\f
/* Relocate a SPARC64 ELF section. */
static boolean
{
int r_type;
reloc_howto_type *howto;
- long r_symndx;
+ unsigned long r_symndx;
struct elf_link_hash_entry *h;
Elf_Internal_Sym *sym;
asection *sec;
}
else if (h->root.type == bfd_link_hash_undefweak)
relocation = 0;
- else if (info->shared && !info->symbolic && !info->no_undefined)
+ else if (info->shared && !info->symbolic
+ && !info->no_undefined
+ && ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
relocation = 0;
else
{
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
- input_section, rel->r_offset)))
+ input_section, rel->r_offset,
+ (!info->shared || info->no_undefined
+ || ELF_ST_VISIBILITY (h->other)))))
return false;
relocation = 0;
}
ELF64_R_TYPE_INFO (
ELF64_R_TYPE_DATA (rel->r_info),
r_type));
-
- /* For non-RELATIVE dynamic relocations, we keep the
- same symbol, and so generally the same addend. But
- we do need to adjust those relocations referencing
- sections. */
- outrel.r_addend = rel->r_addend;
- if (r_symndx < symtab_hdr->sh_info
- && ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- outrel.r_addend += sec->output_offset+sym->st_value;
+ outrel.r_addend = relocation + rel->r_addend;
}
}
relocation = (splt->output_section->vma
+ splt->output_offset
+ sparc64_elf_plt_entry_offset (h->plt.offset));
+ if (r_type == R_SPARC_WPLT30)
+ goto do_wplt30;
goto do_default;
case R_SPARC_OLO10:
}
break;
+ case R_SPARC_WDISP30:
+ do_wplt30:
+ if (SEC_DO_RELAX (input_section)
+ && rel->r_offset + 4 < input_section->_raw_size)
+ {
+#define G0 0
+#define O7 15
+#define XCC (2 << 20)
+#define COND(x) (((x)&0xf)<<25)
+#define CONDA COND(0x8)
+#define INSN_BPA (F2(0,1) | CONDA | BPRED | XCC)
+#define INSN_BA (F2(0,2) | CONDA)
+#define INSN_OR F3(2, 0x2, 0)
+#define INSN_NOP F2(0,4)
+
+ bfd_vma x, y;
+
+ /* If the instruction is a call with either:
+ restore
+ arithmetic instruction with rd == %o7
+ where rs1 != %o7 and rs2 if it is register != %o7
+ then we can optimize if the call destination is near
+ by changing the call into a branch always. */
+ x = bfd_get_32 (input_bfd, contents + rel->r_offset);
+ y = bfd_get_32 (input_bfd, contents + rel->r_offset + 4);
+ if ((x & OP(~0)) == OP(1) && (y & OP(~0)) == OP(2))
+ {
+ if (((y & OP3(~0)) == OP3(0x3d) /* restore */
+ || ((y & OP3(0x28)) == 0 /* arithmetic */
+ && (y & RD(~0)) == RD(O7)))
+ && (y & RS1(~0)) != RS1(O7)
+ && ((y & F3I(~0))
+ || (y & RS2(~0)) != RS2(O7)))
+ {
+ bfd_vma reloc;
+
+ reloc = relocation + rel->r_addend - rel->r_offset;
+ reloc -= (input_section->output_section->vma
+ + input_section->output_offset);
+ if (reloc & 3)
+ goto do_default;
+
+ /* Ensure the branch fits into simm22. */
+ if ((reloc & ~(bfd_vma)0x7fffff)
+ && ((reloc | 0x7fffff) != MINUS_ONE))
+ goto do_default;
+ reloc >>= 2;
+
+ /* Check whether it fits into simm19. */
+ if ((reloc & 0x3c0000) == 0
+ || (reloc & 0x3c0000) == 0x3c0000)
+ x = INSN_BPA | (reloc & 0x7ffff); /* ba,pt %xcc */
+ else
+ x = INSN_BA | (reloc & 0x3fffff); /* ba */
+ bfd_put_32 (input_bfd, x, contents + rel->r_offset);
+ r = bfd_reloc_ok;
+ if (rel->r_offset >= 4
+ && (y & (0xffffffff ^ RS1(~0)))
+ == (INSN_OR | RD(O7) | RS2(G0)))
+ {
+ bfd_vma z;
+ unsigned int reg;
+
+ z = bfd_get_32 (input_bfd,
+ contents + rel->r_offset - 4);
+ if ((z & (0xffffffff ^ RD(~0)))
+ != (INSN_OR | RS1(O7) | RS2(G0)))
+ break;
+
+ /* The sequence was
+ or %o7, %g0, %rN
+ call foo
+ or %rN, %g0, %o7
+
+ If call foo was replaced with ba, replace
+ or %rN, %g0, %o7 with nop. */
+
+ reg = (y & RS1(~0)) >> 14;
+ if (reg != ((z & RD(~0)) >> 25)
+ || reg == G0 || reg == O7)
+ break;
+
+ bfd_put_32 (input_bfd, INSN_NOP,
+ contents + rel->r_offset + 4);
+ }
+ break;
+ }
+ }
+ }
+ /* FALLTHROUGH */
+
default:
do_default:
r = _bfd_final_link_relocate (howto, input_bfd, input_section,
{
int max = splt->_raw_size / PLT_ENTRY_SIZE;
rela.r_offset = sparc64_elf_plt_ptr_offset (h->plt.offset, max);
- rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4);
+ rela.r_addend = -(sparc64_elf_plt_entry_offset (h->plt.offset) + 4)
+ -(splt->output_section->vma + splt->output_offset);
}
rela.r_offset += (splt->output_section->vma + splt->output_offset);
rela.r_info = ELF64_R_INFO (h->dynindx, R_SPARC_JMP_SLOT);
struct bfd_link_info *info;
{
bfd *dynobj;
+ int stt_regidx = -1;
asection *sdyn;
asection *sgot;
case DT_PLTGOT: name = ".plt"; size = false; break;
case DT_PLTRELSZ: name = ".rela.plt"; size = true; break;
case DT_JMPREL: name = ".rela.plt"; size = false; break;
+ case DT_SPARC_REGISTER:
+ if (stt_regidx == -1)
+ {
+ stt_regidx =
+ _bfd_elf_link_lookup_local_dynindx (info, output_bfd, -1);
+ if (stt_regidx == -1)
+ return false;
+ }
+ dyn.d_un.d_val = stt_regidx++;
+ bfd_elf64_swap_dyn_out (output_bfd, &dyn, dyncon);
+ /* fallthrough */
default: name = NULL; size = false; break;
}
{
error = false;
- old_flags |= (new_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
- new_flags |= (old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1));
- if ((old_flags & (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1)) ==
- (EF_SPARC_SUN_US1|EF_SPARC_HAL_R1))
- {
- error = true;
- (*_bfd_error_handler)
- (_("%s: linking UltraSPARC specific with HAL specific code"),
- bfd_get_filename (ibfd));
- }
-
- /* Choose the most restrictive memory ordering */
- old_mm = (old_flags & EF_SPARCV9_MM);
- new_mm = (new_flags & EF_SPARCV9_MM);
- old_flags &= ~EF_SPARCV9_MM;
- new_flags &= ~EF_SPARCV9_MM;
- if (new_mm < old_mm) old_mm = new_mm;
- old_flags |= old_mm;
- new_flags |= old_mm;
+ if ((ibfd->flags & DYNAMIC) != 0)
+ {
+ /* We don't want dynamic objects memory ordering and
+ architecture to have any role. That's what dynamic linker
+ should do. */
+ new_flags &= ~(EF_SPARCV9_MM | EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1);
+ new_flags |= (old_flags
+ & (EF_SPARCV9_MM
+ | EF_SPARC_SUN_US1
+ | EF_SPARC_HAL_R1));
+ }
+ else
+ {
+ /* Choose the highest architecture requirements. */
+ old_flags |= (new_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1));
+ new_flags |= (old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1));
+ if ((old_flags & (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1))
+ == (EF_SPARC_SUN_US1 | EF_SPARC_HAL_R1))
+ {
+ error = true;
+ (*_bfd_error_handler)
+ (_("%s: linking UltraSPARC specific with HAL specific code"),
+ bfd_get_filename (ibfd));
+ }
+ /* Choose the most restrictive memory ordering. */
+ old_mm = (old_flags & EF_SPARCV9_MM);
+ new_mm = (new_flags & EF_SPARCV9_MM);
+ old_flags &= ~EF_SPARCV9_MM;
+ new_flags &= ~EF_SPARCV9_MM;
+ if (new_mm < old_mm)
+ old_mm = new_mm;
+ old_flags |= old_mm;
+ new_flags |= old_mm;
+ }
/* Warn about any other mismatches */
if (new_flags != old_flags)
}
return true;
}
+\f
+/* Print a STT_REGISTER symbol to file FILE. */
+static const char *
+sparc64_elf_print_symbol_all (abfd, filep, symbol)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ PTR filep;
+ asymbol *symbol;
+{
+ FILE *file = (FILE *) filep;
+ int reg, type;
+
+ if (ELF_ST_TYPE (((elf_symbol_type *) symbol)->internal_elf_sym.st_info)
+ != STT_REGISTER)
+ return NULL;
+
+ reg = ((elf_symbol_type *) symbol)->internal_elf_sym.st_value;
+ type = symbol->flags;
+ fprintf (file, "REG_%c%c%11s%c%c R", "GOLI" [reg / 8], '0' + (reg & 7), "",
+ ((type & BSF_LOCAL)
+ ? (type & BSF_GLOBAL) ? '!' : 'l'
+ : (type & BSF_GLOBAL) ? 'g' : ' '),
+ (type & BSF_WEAK) ? 'w' : ' ');
+ if (symbol->name == NULL || symbol->name [0] == '\0')
+ return "#scratch";
+ else
+ return symbol->name;
+}
\f
/* Set the right machine number for a SPARC64 ELF file. */
sizeof (Elf64_External_Sym),
sizeof (Elf64_External_Dyn),
sizeof (Elf_External_Note),
- 8, /* hash-table entry size */
+ 4, /* hash-table entry size */
/* internal relocations per external relocations.
For link purposes we use just 1 internal per
1 external, for assembly and slurp symbol table
/* This is the value that we used before the ABI was released. */
#define ELF_MACHINE_ALT1 EM_OLD_SPARCV9
+#define bfd_elf64_bfd_link_hash_table_create \
+ sparc64_elf_bfd_link_hash_table_create
+
#define elf_info_to_howto \
sparc64_elf_info_to_howto
#define bfd_elf64_get_reloc_upper_bound \
sparc64_elf_canonicalize_dynamic_reloc
#define bfd_elf64_bfd_reloc_type_lookup \
sparc64_elf_reloc_type_lookup
+#define bfd_elf64_bfd_relax_section \
+ sparc64_elf_relax_section
#define elf_backend_create_dynamic_sections \
_bfd_elf_create_dynamic_sections
+#define elf_backend_add_symbol_hook \
+ sparc64_elf_add_symbol_hook
+#define elf_backend_get_symbol_type \
+ sparc64_elf_get_symbol_type
+#define elf_backend_symbol_processing \
+ sparc64_elf_symbol_processing
#define elf_backend_check_relocs \
sparc64_elf_check_relocs
#define elf_backend_adjust_dynamic_symbol \
sparc64_elf_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections \
sparc64_elf_finish_dynamic_sections
+#define elf_backend_print_symbol_all \
+ sparc64_elf_print_symbol_all
+#define elf_backend_output_arch_syms \
+ sparc64_elf_output_arch_syms
#define bfd_elf64_bfd_merge_private_bfd_data \
sparc64_elf_merge_private_bfd_data
projects / deliverable / binutils-gdb.git / blobdiff