* bfd-in.h (bfd_elf32_discard_info): Add prototype.
(bfd_elf64_discard_info): Likewise.
* bfd-in2.h: Regenerate.
* elf-bfd.h (struct elf_reloc_cookie): New.
(struct elf_backend_data): Add elf_backend_discard_info,
elf_backend_ignore_discarded_relocs, and elf_backend_write_section.
(_bfd_elf32_reloc_symbol_deleted_p): Add prototype.
(_bfd_elf64_reloc_symbol_deleted_p): Likewise.
* elf32-mips.c (_bfd_elf32_mips_discard_info): New.
(_bfd_elf32_mips_ignore_discarded_relocs): New.
(_bfd_elf32_mips_write_section): New.
(elf_backend_discard_info): Define.
(elf_backend_ignore_discarded_relocs): Define.
(elf_backend_write_section): Define.
* elfcode.h (elf_bfd_discard_info): Define.
(elf_reloc_symbol_deleted_p): Define.
* elflink.h (elf_link_input_bfd): Check
elf_section_ignore_discarded_relocs. Call
bed->elf_backend_write_section if available.
(elf_reloc_symbol_deleted_p): New.
(elf_bfd_discard_info): New.
(elf_section_ignore_discarded_relocs): New.
* elfxx-target.h (elf_backend_discard_info): Define.
(elf_backend_ignore_discarded_relocs): Define.
(elf_backend_write_section): Define.
(elfNN_bed): Add elf_backend_discard_info,
elf_backend_ignore_discarded_relocs, and
elf_backend_write_section.
* libbfd-in.h (_bfd_discard_section_stabs): Add prototype.
* libbfd.h: Regenerate.
* stabs.c (_bfd_discard_section_stabs): New.
2001-11-11 Daniel Jacobowitz <drow@mvista.com>
* emultempl/elf32.em (gld${EMULATION_NAME}_finish): New.
(struct ld_emulation_xfer_struct): Use it.
+2001-11-14 Daniel Jacobowitz <drow@mvista.com>
+
+ * bfd-in.h (bfd_elf32_discard_info): Add prototype.
+ (bfd_elf64_discard_info): Likewise.
+ * bfd-in2.h: Regenerate.
+ * elf-bfd.h (struct elf_reloc_cookie): New.
+ (struct elf_backend_data): Add elf_backend_discard_info,
+ elf_backend_ignore_discarded_relocs, and elf_backend_write_section.
+ (_bfd_elf32_reloc_symbol_deleted_p): Add prototype.
+ (_bfd_elf64_reloc_symbol_deleted_p): Likewise.
+ * elf32-mips.c (_bfd_elf32_mips_discard_info): New.
+ (_bfd_elf32_mips_ignore_discarded_relocs): New.
+ (_bfd_elf32_mips_write_section): New.
+ (elf_backend_discard_info): Define.
+ (elf_backend_ignore_discarded_relocs): Define.
+ (elf_backend_write_section): Define.
+ * elfcode.h (elf_bfd_discard_info): Define.
+ (elf_reloc_symbol_deleted_p): Define.
+ * elflink.h (elf_link_input_bfd): Check
+ elf_section_ignore_discarded_relocs. Call
+ bed->elf_backend_write_section if available.
+ (elf_reloc_symbol_deleted_p): New.
+ (elf_bfd_discard_info): New.
+ (elf_section_ignore_discarded_relocs): New.
+ * elfxx-target.h (elf_backend_discard_info): Define.
+ (elf_backend_ignore_discarded_relocs): Define.
+ (elf_backend_write_section): Define.
+ (elfNN_bed): Add elf_backend_discard_info,
+ elf_backend_ignore_discarded_relocs, and
+ elf_backend_write_section.
+ * libbfd-in.h (_bfd_discard_section_stabs): Add prototype.
+ * libbfd.h: Regenerate.
+ * stabs.c (_bfd_discard_section_stabs): New.
+
2001-11-14 Martin Schwidefsky <schwidefsky@de.ibm.com>
* elf32-s390.c (elf_s390_relocate_section): Use the "unresolved_reloc"
extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
PARAMS ((bfd *, struct bfd_link_info *));
+extern boolean bfd_elf32_discard_info
+ PARAMS ((struct bfd_link_info *));
+extern boolean bfd_elf64_discard_info
+ PARAMS ((struct bfd_link_info *));
/* Return an upper bound on the number of bytes required to store a
copy of ABFD's program header table entries. Return -1 if an error
extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
PARAMS ((bfd *, struct bfd_link_info *));
+extern boolean bfd_elf32_discard_info
+ PARAMS ((struct bfd_link_info *));
+extern boolean bfd_elf64_discard_info
+ PARAMS ((struct bfd_link_info *));
/* Return an upper bound on the number of bytes required to store a
copy of ABFD's program header table entries. Return -1 if an error
reloc_class_copy
};
+struct elf_reloc_cookie
+{
+ Elf_Internal_Rela *rels, *rel, *relend;
+ void *locsyms;
+ bfd *abfd;
+ size_t locsymcount;
+ size_t extsymoff;
+ struct elf_link_hash_entry **sym_hashes;
+ boolean bad_symtab;
+};
+
struct elf_backend_data
{
/* The architecture for this backend. */
enum elf_reloc_type_class (*elf_backend_reloc_type_class)
PARAMS ((const Elf_Internal_Rela *));
+ /* This function, if defined, removes information about discarded functions
+ from other sections which mention them. */
+ boolean (*elf_backend_discard_info)
+ PARAMS ((bfd *, struct elf_reloc_cookie *, struct bfd_link_info *));
+
+ /* This function, if defined, signals that the function above has removed
+ the discarded relocations for this section. */
+ boolean (*elf_backend_ignore_discarded_relocs)
+ PARAMS ((asection *));
+
+ /* This function, if defined, may write out the given section.
+ Returns true if it did so and false if the caller should. */
+ boolean (*elf_backend_write_section)
+ PARAMS ((bfd *, asection *, bfd_byte *));
+
/* The swapping table to use when dealing with ECOFF information.
Used for the MIPS ELF .mdebug section. */
const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
extern boolean _bfd_elf64_gc_record_vtentry
PARAMS ((bfd *, asection *, struct elf_link_hash_entry *, bfd_vma));
+extern boolean _bfd_elf32_reloc_symbol_deleted_p
+ PARAMS ((bfd_vma, PTR));
+extern boolean _bfd_elf64_reloc_symbol_deleted_p
+ PARAMS ((bfd_vma, PTR));
+
/* MIPS ELF specific routines. */
extern boolean _bfd_mips_elf_object_p
PARAMS ((bfd *, Elf_Internal_Note *));
static boolean _bfd_elf32_mips_grok_psinfo
PARAMS ((bfd *, Elf_Internal_Note *));
+static boolean _bfd_elf32_mips_discard_info
+ PARAMS ((bfd *, struct elf_reloc_cookie *, struct bfd_link_info *));
+static boolean _bfd_elf32_mips_ignore_discarded_relocs
+ PARAMS ((asection *));
+static boolean _bfd_elf32_mips_write_section
+ PARAMS ((bfd *, asection *, bfd_byte *));
extern const bfd_target bfd_elf32_tradbigmips_vec;
extern const bfd_target bfd_elf32_tradlittlemips_vec;
return true;
}
\f
+#define PDR_SIZE 32
+
+static boolean
+_bfd_elf32_mips_discard_info (abfd, cookie, info)
+ bfd *abfd;
+ struct elf_reloc_cookie *cookie;
+ struct bfd_link_info *info;
+{
+ asection *o;
+ struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ boolean ret = false;
+ unsigned char *tdata;
+ size_t i, skip;
+
+ o = bfd_get_section_by_name (abfd, ".pdr");
+ if (! o)
+ return false;
+ if (o->_raw_size == 0)
+ return false;
+ if (o->_raw_size % PDR_SIZE != 0)
+ return false;
+ if (o->output_section != NULL
+ && bfd_is_abs_section (o->output_section))
+ return false;
+
+ tdata = bfd_zmalloc (o->_raw_size / PDR_SIZE);
+ if (! tdata)
+ return false;
+
+ cookie->rels = _bfd_elf32_link_read_relocs (abfd, o, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory);
+ if (!cookie->rels)
+ {
+ free (tdata);
+ return false;
+ }
+
+ cookie->rel = cookie->rels;
+ cookie->relend =
+ cookie->rels + o->reloc_count * bed->s->int_rels_per_ext_rel;
+
+ for (i = 0, skip = 0; i < o->_raw_size; i ++)
+ {
+ if (_bfd_elf32_reloc_symbol_deleted_p (i * PDR_SIZE, cookie))
+ {
+ tdata[i] = 1;
+ skip ++;
+ }
+ }
+
+ if (skip != 0)
+ {
+ elf_section_data (o)->tdata = tdata;
+ o->_cooked_size = o->_raw_size - skip * PDR_SIZE;
+ ret = true;
+ }
+ else
+ free (tdata);
+
+ if (! info->keep_memory)
+ free (cookie->rels);
+
+ return ret;
+}
+
+static boolean
+_bfd_elf32_mips_ignore_discarded_relocs (sec)
+ asection *sec;
+{
+ if (strcmp (sec->name, ".pdr") == 0)
+ return true;
+ return false;
+}
+
+static boolean
+_bfd_elf32_mips_write_section (output_bfd, sec, contents)
+ bfd *output_bfd;
+ asection *sec;
+ bfd_byte *contents;
+{
+ bfd_byte *to, *from, *end;
+ int i;
+
+ if (strcmp (sec->name, ".pdr") != 0)
+ return false;
+
+ if (elf_section_data (sec)->tdata == NULL)
+ return false;
+
+ to = contents;
+ end = contents + sec->_raw_size;
+ for (from = contents, i = 0;
+ from < end;
+ from += PDR_SIZE, i++)
+ {
+ if (((unsigned char *)elf_section_data (sec)->tdata)[i] == 1)
+ continue;
+ if (to != from)
+ memcpy (to, from, PDR_SIZE);
+ to += PDR_SIZE;
+ }
+ bfd_set_section_contents (output_bfd, sec->output_section, contents,
+ (file_ptr) sec->output_offset,
+ sec->_cooked_size);
+ return true;
+}
+\f
/* This is almost identical to bfd_generic_get_... except that some
MIPS relocations need to be handled specially. Sigh. */
#define elf_backend_grok_prstatus _bfd_elf32_mips_grok_prstatus
#define elf_backend_grok_psinfo _bfd_elf32_mips_grok_psinfo
+#define elf_backend_discard_info _bfd_elf32_mips_discard_info
+#define elf_backend_ignore_discarded_relocs \
+ _bfd_elf32_mips_ignore_discarded_relocs
+#define elf_backend_write_section _bfd_elf32_mips_write_section
+
#define bfd_elf32_bfd_is_local_label_name \
mips_elf_is_local_label_name
#define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line
#define elf_slurp_reloc_table NAME(bfd_elf,slurp_reloc_table)
#define elf_link_create_dynamic_sections \
NAME(bfd_elf,link_create_dynamic_sections)
+#define elf_bfd_discard_info NAME(bfd_elf,discard_info)
+#define elf_reloc_symbol_deleted_p NAME(_bfd_elf,reloc_symbol_deleted_p)
#define elf_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
#define elf_bfd_final_link NAME(bfd_elf,bfd_final_link)
#define elf_create_pointer_linker_section NAME(bfd_elf,create_pointer_linker_section)
PARAMS ((const void *, const void *));
static size_t elf_link_sort_relocs
PARAMS ((bfd *, struct bfd_link_info *, asection **));
+static boolean elf_section_ignore_discarded_relocs
+ PARAMS ((asection *));
/* Given an ELF BFD, add symbols to the global hash table as
appropriate. */
.eh_frame to describe a routine in the linkonce section,
and it turns out to be hard to remove the .eh_frame
entry too. FIXME. */
- if (!finfo->info->relocateable)
+ if (!finfo->info->relocateable
+ && !elf_section_ignore_discarded_relocs (o))
{
Elf_Internal_Rela *rel, *relend;
}
/* Write out the modified section contents. */
- if (elf_section_data (o)->stab_info)
+ if (bed->elf_backend_write_section
+ && bed->elf_backend_write_section (output_bfd, o, contents))
+ {
+ /* Section written out. */
+ }
+ else if (elf_section_data (o)->stab_info)
{
if (! (_bfd_write_section_stabs
(output_bfd, &elf_hash_table (finfo->info)->stab_info,
return true;
}
+
+boolean
+elf_reloc_symbol_deleted_p (offset, cookie)
+ bfd_vma offset;
+ PTR cookie;
+{
+ struct elf_reloc_cookie *rcookie = (struct elf_reloc_cookie *)cookie;
+
+ if (rcookie->bad_symtab)
+ rcookie->rel = rcookie->rels;
+
+ for (; rcookie->rel < rcookie->relend; rcookie->rel++)
+ {
+ unsigned long r_symndx = ELF_R_SYM (rcookie->rel->r_info);
+ Elf_Internal_Sym isym;
+
+ if (! rcookie->bad_symtab)
+ if (rcookie->rel->r_offset > offset)
+ return false;
+ if (rcookie->rel->r_offset != offset)
+ continue;
+
+ if (rcookie->locsyms)
+ elf_swap_symbol_in (rcookie->abfd,
+ ((Elf_External_Sym *)rcookie->locsyms) + r_symndx,
+ &isym);
+
+ if (r_symndx >= rcookie->locsymcount
+ || (rcookie->locsyms
+ && ELF_ST_BIND (isym.st_info) != STB_LOCAL))
+ {
+ struct elf_link_hash_entry *h;
+
+ h = rcookie->sym_hashes[r_symndx - rcookie->extsymoff];
+
+ 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;
+
+ if ((h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
+ && ! bfd_is_abs_section (h->root.u.def.section)
+ && bfd_is_abs_section (h->root.u.def.section
+ ->output_section))
+ return true;
+ else
+ return false;
+ }
+ else if (rcookie->locsyms)
+ {
+ /* It's not a relocation against a global symbol,
+ but it could be a relocation against a section
+ symbol for a discarded section. */
+ asection *isec;
+
+ /* Need to: get the symbol; get the section. */
+ if (isym.st_shndx > 0 && isym.st_shndx < SHN_LORESERVE)
+ {
+ isec = section_from_elf_index (rcookie->abfd, isym.st_shndx);
+ if (isec != NULL
+ && ELF_ST_TYPE (isym.st_info) == STT_SECTION
+ && ! bfd_is_abs_section (isec)
+ && bfd_is_abs_section (isec->output_section))
+ return true;
+ }
+ }
+ return false;
+ }
+ return false;
+}
+
+/* Discard unneeded references to discarded sections.
+ Returns true if any section's size was changed. */
+/* This function assumes that the relocations are in sorted order,
+ which is true for all known assemblers. */
+
+boolean
+elf_bfd_discard_info (info)
+ struct bfd_link_info *info;
+{
+ struct elf_reloc_cookie cookie;
+ asection *o;
+ Elf_Internal_Shdr *symtab_hdr;
+ Elf_External_Sym *freesyms;
+ struct elf_backend_data *bed;
+ bfd *abfd;
+ boolean ret = false;
+
+ if (info->relocateable
+ || info->traditional_format
+ || info->hash->creator->flavour != bfd_target_elf_flavour
+ || ! is_elf_hash_table (info)
+ || info->strip == strip_all
+ || info->strip == strip_debugger)
+ return false;
+ for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link_next)
+ {
+ bed = get_elf_backend_data (abfd);
+
+ if ((abfd->flags & DYNAMIC) != 0)
+ continue;
+
+ o = bfd_get_section_by_name (abfd, ".stab");
+ if (! o && ! bed->elf_backend_discard_info)
+ continue;
+
+ symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+
+ cookie.abfd = abfd;
+ cookie.sym_hashes = elf_sym_hashes (abfd);
+ cookie.bad_symtab = elf_bad_symtab (abfd);
+ if (cookie.bad_symtab)
+ {
+ cookie.locsymcount =
+ symtab_hdr->sh_size / sizeof (Elf_External_Sym);
+ cookie.extsymoff = 0;
+ }
+ else
+ {
+ cookie.locsymcount = symtab_hdr->sh_info;
+ cookie.extsymoff = symtab_hdr->sh_info;
+ }
+
+ freesyms = NULL;
+ if (symtab_hdr->contents)
+ cookie.locsyms = (void *) symtab_hdr->contents;
+ else if (cookie.locsymcount == 0)
+ cookie.locsyms = NULL;
+ else
+ {
+ bfd_size_type amt = cookie.locsymcount * sizeof (Elf_External_Sym);
+ cookie.locsyms = bfd_malloc (amt);
+ if (cookie.locsyms == NULL
+ || bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
+ || bfd_bread (cookie.locsyms, amt, abfd) != amt)
+ {
+ /* Something is very wrong - but we can still do our job for
+ global symbols, so don't give up. */
+ if (cookie.locsyms)
+ free (cookie.locsyms);
+ cookie.locsyms = NULL;
+ }
+ else
+ {
+ freesyms = cookie.locsyms;
+ }
+ }
+
+ if (o)
+ {
+ cookie.rels = (NAME(_bfd_elf,link_read_relocs)
+ (abfd, o, (PTR) NULL,
+ (Elf_Internal_Rela *) NULL,
+ info->keep_memory));
+ if (cookie.rels)
+ {
+ cookie.rel = cookie.rels;
+ cookie.relend =
+ cookie.rels + o->reloc_count * bed->s->int_rels_per_ext_rel;
+ if (_bfd_discard_section_stabs (abfd, o,
+ elf_section_data (o)->stab_info,
+ elf_reloc_symbol_deleted_p,
+ &cookie))
+ ret = true;
+ if (! info->keep_memory)
+ free (cookie.rels);
+ }
+ }
+
+ if (bed->elf_backend_discard_info)
+ {
+ if (bed->elf_backend_discard_info (abfd, &cookie, info))
+ ret = true;
+ }
+
+ if (freesyms)
+ free (freesyms);
+ }
+ return ret;
+}
+
+static boolean
+elf_section_ignore_discarded_relocs (sec)
+ asection *sec;
+{
+ if (strcmp (sec->name, ".stab") == 0)
+ return true;
+ else if ((get_elf_backend_data (sec->owner)
+ ->elf_backend_ignore_discarded_relocs != NULL)
+ && (get_elf_backend_data (sec->owner)
+ ->elf_backend_ignore_discarded_relocs (sec)))
+ return true;
+ else
+ return false;
+}
+
+
#ifndef elf_backend_reloc_type_class
#define elf_backend_reloc_type_class _bfd_elf_reloc_type_class
#endif
+#ifndef elf_backend_discard_info
+#define elf_backend_discard_info NULL
+#endif
+#ifndef elf_backend_ignore_discarded_relocs
+#define elf_backend_ignore_discarded_relocs NULL
+#endif
+#ifndef elf_backend_write_section
+#define elf_backend_write_section NULL
+#endif
/* Previously, backends could only use SHT_REL or SHT_RELA relocation
sections, but not both. They defined USE_REL to indicate SHT_REL
elf_backend_sprintf_vma,
elf_backend_fprintf_vma,
elf_backend_reloc_type_class,
+ elf_backend_discard_info,
+ elf_backend_ignore_discarded_relocs,
+ elf_backend_write_section,
elf_backend_ecoff_debug_swap,
ELF_MACHINE_ALT1,
ELF_MACHINE_ALT2,
extern boolean _bfd_link_section_stabs
PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
+/* Eliminate stabs for discarded functions and symbols. */
+extern boolean _bfd_discard_section_stabs
+ PARAMS ((bfd *, asection *, PTR,
+ boolean (*) (bfd_vma, PTR), PTR));
+
/* Write out the .stab section when linking stabs in sections. */
extern boolean _bfd_write_section_stabs
extern boolean _bfd_link_section_stabs
PARAMS ((bfd *, PTR *, asection *, asection *, PTR *));
+/* Eliminate stabs for discarded functions and symbols. */
+extern boolean _bfd_discard_section_stabs
+ PARAMS ((bfd *, asection *, PTR,
+ boolean (*) (bfd_vma, PTR), PTR));
+
/* Write out the .stab section when linking stabs in sections. */
extern boolean _bfd_write_section_stabs
return false;
}
+\f
+/* This function is called for each input file before the stab
+ section is relocated. It discards stab entries for discarded
+ functions and variables. The function returns true iff
+ any entries have been deleted.
+*/
+
+boolean
+_bfd_discard_section_stabs (abfd, stabsec, psecinfo,
+ reloc_symbol_deleted_p, cookie)
+ bfd *abfd;
+ asection *stabsec;
+ PTR psecinfo;
+ boolean (*reloc_symbol_deleted_p) (bfd_vma, PTR);
+ PTR cookie;
+{
+ bfd_size_type count, amt;
+ struct stab_section_info *secinfo;
+ bfd_byte *stabbuf = NULL;
+ bfd_byte *sym, *symend;
+ bfd_size_type skip;
+ bfd_size_type *pstridx;
+ int deleting;
+
+ if (stabsec->_raw_size == 0)
+ {
+ /* This file does not contain stabs debugging information. */
+ return false;
+ }
+
+ if (stabsec->_raw_size % STABSIZE != 0)
+ {
+ /* Something is wrong with the format of these stab symbols.
+ Don't try to optimize them. */
+ return false;
+ }
+
+ if ((stabsec->output_section != NULL
+ && bfd_is_abs_section (stabsec->output_section)))
+ {
+ /* At least one of the sections is being discarded from the
+ link, so we should just ignore them. */
+ return false;
+ }
+
+ /* We should have initialized our data in _bfd_link_stab_sections.
+ If there was some bizarre error reading the string sections, though,
+ we might not have. Bail rather than asserting. */
+ if (psecinfo == NULL)
+ return false;
+
+ count = stabsec->_raw_size / STABSIZE;
+ secinfo = (struct stab_section_info *) psecinfo;
+
+ /* Read the stabs information from abfd. */
+
+ stabbuf = (bfd_byte *) bfd_malloc (stabsec->_raw_size);
+ if (stabbuf == NULL)
+ goto error_return;
+
+ if (! bfd_get_section_contents (abfd, stabsec, stabbuf, (bfd_vma) 0,
+ stabsec->_raw_size))
+ goto error_return;
+
+ /* Look through the stabs symbols and discard any information for
+ discarded functions. */
+
+ skip = 0;
+ deleting = -1;
+
+ symend = stabbuf + stabsec->_raw_size;
+ for (sym = stabbuf, pstridx = secinfo->stridxs;
+ sym < symend;
+ sym += STABSIZE, ++pstridx)
+ {
+ int type;
+
+ if (*pstridx == (bfd_size_type) -1)
+ {
+ /* This stab was deleted in a previous pass. */
+ continue;
+ }
+
+ type = sym[TYPEOFF];
+
+ if (type == N_FUN)
+ {
+ int strx = bfd_get_32 (abfd, sym + STRDXOFF);
+
+ if (strx == 0)
+ {
+ if (deleting)
+ {
+ skip++;
+ *pstridx = -1;
+ }
+ deleting = -1;
+ continue;
+ }
+ deleting = 0;
+ if ((*reloc_symbol_deleted_p) (sym + VALOFF - stabbuf, cookie))
+ deleting = 1;
+ }
+
+ if (deleting == 1)
+ {
+ *pstridx = -1;
+ skip++;
+ }
+ else if (deleting == -1)
+ {
+ /* Outside of a function. Check for deleted variables. */
+ if (type == N_STSYM || type == N_LCSYM)
+ if ((*reloc_symbol_deleted_p) (sym + VALOFF - stabbuf, cookie))
+ {
+ *pstridx = -1;
+ skip ++;
+ }
+ /* We should also check for N_GSYM entries which reference a
+ deleted global, but those are less harmful to debuggers
+ and would require parsing the stab strings. */
+ }
+ }
+
+ free (stabbuf);
+ stabbuf = NULL;
+
+ /* Shrink the stabsec as needed. */
+ stabsec->_cooked_size -= skip * STABSIZE;
+ if (stabsec->_cooked_size == 0)
+ stabsec->flags |= SEC_EXCLUDE;
+
+ /* Recalculate the `cumulative_skips' array now that stabs have been
+ deleted for this section. */
+
+ if (skip != 0)
+ {
+ bfd_size_type i, offset;
+ bfd_size_type *pskips;
+
+ if (secinfo->cumulative_skips == NULL)
+ {
+ amt = count * sizeof (bfd_size_type);
+ secinfo->cumulative_skips = (bfd_size_type *) bfd_alloc (abfd, amt);
+ if (secinfo->cumulative_skips == NULL)
+ goto error_return;
+ }
+
+ pskips = secinfo->cumulative_skips;
+ pstridx = secinfo->stridxs;
+ offset = 0;
+
+ for (i = 0; i < count; i++, pskips++, pstridx++)
+ {
+ *pskips = offset;
+ if (*pstridx == (bfd_size_type) -1)
+ offset += STABSIZE;
+ }
+
+ BFD_ASSERT (offset != 0);
+ }
+
+ return (skip > 0);
+
+ error_return:
+ if (stabbuf != NULL)
+ free (stabbuf);
+ return false;
+}
+
/* Write out the stab section. This is called with the relocated
contents. */
+2001-11-14 Daniel Jacobowitz <drow@mvista.com>
+
+ * emultempl/elf32.em (gld${EMULATION_NAME}_finish): New.
+ (struct ld_emulation_xfer_struct): Use it.
+
Tue Nov 13 11:27:14 2001 Ross Alexander <ross.alexander@uk.neceur.com>
* emulparams/elf64hppa.sh (OTHER_BSS_END_SECTIONS): Add
PARAMS ((lang_output_section_statement_type *));
static boolean gld${EMULATION_NAME}_place_orphan
PARAMS ((lang_input_statement_type *, asection *));
+static void gld${EMULATION_NAME}_finish
+ PARAMS ((void));
static char *gld${EMULATION_NAME}_get_script
PARAMS ((int *isfile));
return true;
}
+static void
+gld${EMULATION_NAME}_finish ()
+{
+ ${LDEMUL_FINISH+${LDEMUL_FINISH} ();}
+
+ if (bfd_elf${ELFSIZE}_discard_info (&link_info))
+ {
+ /* Resize the sections. */
+ lang_size_sections (stat_ptr->head, abs_output_section,
+ &stat_ptr->head, 0, (bfd_vma) 0, false);
+
+ /* Redo special stuff. */
+ ldemul_after_allocation ();
+
+ /* Do the assignments again. */
+ lang_do_assignments (stat_ptr->head, abs_output_section,
+ (fill_type) 0, (bfd_vma) 0);
+ }
+}
EOF
fi
${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
"${EMULATION_NAME}",
"${OUTPUT_FORMAT}",
- ${LDEMUL_FINISH-NULL},
+ gld${EMULATION_NAME}_finish,
${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive},
${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan},
projects / binutils-gdb.git / commitdiff