diff options
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 35 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 10 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 9 | ||||
| -rw-r--r-- | bfd/elf.c | 58 | ||||
| -rw-r--r-- | bfd/elflink.c | 31 | ||||
| -rw-r--r-- | bfd/libbfd-in.h | 4 | ||||
| -rw-r--r-- | bfd/libbfd.h | 4 | ||||
| -rw-r--r-- | bfd/linker.c | 10 | ||||
| -rw-r--r-- | bfd/targets.c | 3 |
9 files changed, 121 insertions, 43 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ac69c75..cd3a99f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,38 @@ +bfd/ + +2006-10-30 H.J. Lu <hongjiu.lu@intel.com> + + PR ld/3111 + * elf-bfd.h (elf_obj_tdata): Add symbuf. + (_bfd_elf_section_already_linked): Add struct bfd_link_info *. + (_bfd_elf_check_kept_section): Likewise. + (bfd_elf_match_symbols_in_sections): Likewise. + + * elf.c (assign_section_numbers): Updated to add + struct bfd_link_info *. + (bfd_elf_match_symbols_in_sections): Updated. Cache symbol + buffer if info->reduce_memory_overheads is false. + + * elflink.c (match_group_member): Updated to add + struct bfd_link_info *. + (_bfd_elf_check_kept_section): Likewise. + (elf_link_input_bfd): Likewise. + (_bfd_elf_section_already_linked): Likewise. + (bfd_elf_final_link): Free symbol buffer if + info->reduce_memory_overheads is false. + + * libbfd-in.h (_bfd_nolink_section_already_linked): Add + struct bfd_link_info *. + (_bfd_generic_section_already_linked): Likewise. + * libbfd.h: Regenerated. + + * linker.c (bfd_section_already_linked): Add + struct bfd_link_info *. + (_bfd_generic_section_already_linked): Likewise. + * targets.c (bfd_target): Add struct bfd_link_info * to + _section_already_linked. + * bfd-in2.h: Regenerated. + 2006-10-30 Alan Modra <amodra@bigpond.net.au> * bfd.c (bfd_error_type): Add bfd_error_on_input. diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index eef70d3..e4c92d7 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5201,7 +5201,8 @@ typedef struct bfd_target /* Check if SEC has been already linked during a reloceatable or final link. */ - void (*_section_already_linked) (bfd *, struct bfd_section *); + void (*_section_already_linked) (bfd *, struct bfd_section *, + struct bfd_link_info *); /* Routines to handle dynamic symbols and relocs. */ #define BFD_JUMP_TABLE_DYNAMIC(NAME) \ @@ -5261,10 +5262,11 @@ bfd_boolean bfd_link_split_section (bfd *abfd, asection *sec); #define bfd_link_split_section(abfd, sec) \ BFD_SEND (abfd, _bfd_link_split_section, (abfd, sec)) -void bfd_section_already_linked (bfd *abfd, asection *sec); +void bfd_section_already_linked (bfd *abfd, asection *sec, + struct bfd_link_info *info); -#define bfd_section_already_linked(abfd, sec) \ - BFD_SEND (abfd, _section_already_linked, (abfd, sec)) +#define bfd_section_already_linked(abfd, sec, info) \ + BFD_SEND (abfd, _section_already_linked, (abfd, sec, info)) /* Extracted from simple.c. */ bfd_byte *bfd_simple_get_relocated_section_contents diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index bb86c4e..85a7693 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -1404,6 +1404,9 @@ struct elf_obj_tdata /* Used to determine if the e_flags field has been initialized */ bfd_boolean flags_init; + + /* Symbol buffer. */ + Elf_Internal_Sym *symbuf; }; #define elf_tdata(bfd) ((bfd) -> tdata.elf_obj_data) @@ -1538,11 +1541,11 @@ extern bfd_boolean _bfd_elf_match_sections_by_type extern bfd_boolean bfd_elf_is_group_section (bfd *, const struct bfd_section *); extern void _bfd_elf_section_already_linked - (bfd *, struct bfd_section *); + (bfd *, struct bfd_section *, struct bfd_link_info *); extern void bfd_elf_set_group_contents (bfd *, asection *, void *); extern asection *_bfd_elf_check_kept_section - (asection *); + (asection *, struct bfd_link_info *); extern void _bfd_elf_link_just_syms (asection *, struct bfd_link_info *); extern bfd_boolean _bfd_elf_copy_private_header_data @@ -1744,7 +1747,7 @@ extern bfd_boolean _bfd_elf_symbol_refs_local_p (struct elf_link_hash_entry *, struct bfd_link_info *, bfd_boolean); extern bfd_boolean bfd_elf_match_symbols_in_sections - (asection *sec1, asection *sec2); + (asection *, asection *, struct bfd_link_info *); extern bfd_boolean _bfd_elf_setup_sections (bfd *); @@ -3173,7 +3173,7 @@ assign_section_numbers (bfd *abfd, struct bfd_link_info *link_info) s, s->owner); /* Point to the kept section if it has the same size as the discarded one. */ - kept = _bfd_elf_check_kept_section (s); + kept = _bfd_elf_check_kept_section (s, link_info); if (kept == NULL) { bfd_set_error (bfd_error_bad_value); @@ -8674,7 +8674,8 @@ elf_sym_name_compare (const void *arg1, const void *arg2) symbols. */ bfd_boolean -bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2) +bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2, + struct bfd_link_info *info) { bfd *bfd1, *bfd2; const struct elf_backend_data *bed1, *bed2; @@ -8730,21 +8731,37 @@ bfd_elf_match_symbols_in_sections (asection *sec1, asection *sec2) if (symcount1 == 0 || symcount2 == 0) return FALSE; - isymbuf1 = bfd_elf_get_elf_syms (bfd1, hdr1, symcount1, 0, - NULL, NULL, NULL); - isymbuf2 = bfd_elf_get_elf_syms (bfd2, hdr2, symcount2, 0, - NULL, NULL, NULL); - result = FALSE; - if (isymbuf1 == NULL || isymbuf2 == NULL) - goto done; + isymbuf1 = elf_tdata (bfd1)->symbuf; + isymbuf2 = elf_tdata (bfd2)->symbuf; - /* Sort symbols by binding and section. Global definitions are at - the beginning. */ - qsort (isymbuf1, symcount1, sizeof (Elf_Internal_Sym), - elf_sort_elf_symbol); - qsort (isymbuf2, symcount2, sizeof (Elf_Internal_Sym), - elf_sort_elf_symbol); + if (isymbuf1 == NULL) + { + isymbuf1 = bfd_elf_get_elf_syms (bfd1, hdr1, symcount1, 0, + NULL, NULL, NULL); + if (isymbuf1 == NULL) + goto done; + /* Sort symbols by binding and section. Global definitions are at + the beginning. */ + qsort (isymbuf1, symcount1, sizeof (Elf_Internal_Sym), + elf_sort_elf_symbol); + if (!info->reduce_memory_overheads) + elf_tdata (bfd1)->symbuf = isymbuf1; + } + + if (isymbuf2 == NULL) + { + isymbuf2 = bfd_elf_get_elf_syms (bfd2, hdr2, symcount2, 0, + NULL, NULL, NULL); + if (isymbuf2 == NULL) + goto done; + /* Sort symbols by binding and section. Global definitions are at + the beginning. */ + qsort (isymbuf2, symcount2, sizeof (Elf_Internal_Sym), + elf_sort_elf_symbol); + if (!info->reduce_memory_overheads) + elf_tdata (bfd2)->symbuf = isymbuf2; + } /* Count definitions in the section. */ count1 = 0; @@ -8828,10 +8845,13 @@ done: free (symtable1); if (symtable2) free (symtable2); - if (isymbuf1) - free (isymbuf1); - if (isymbuf2) - free (isymbuf2); + if (info->reduce_memory_overheads) + { + if (isymbuf1) + free (isymbuf1); + if (isymbuf2) + free (isymbuf2); + } return result; } diff --git a/bfd/elflink.c b/bfd/elflink.c index 1dad504..df7b899 100644 --- a/bfd/elflink.c +++ b/bfd/elflink.c @@ -7267,14 +7267,15 @@ _bfd_elf_default_action_discarded (asection *sec) /* Find a match between a section and a member of a section group. */ static asection * -match_group_member (asection *sec, asection *group) +match_group_member (asection *sec, asection *group, + struct bfd_link_info *info) { asection *first = elf_next_in_group (group); asection *s = first; while (s != NULL) { - if (bfd_elf_match_symbols_in_sections (s, sec)) + if (bfd_elf_match_symbols_in_sections (s, sec, info)) return s; s = elf_next_in_group (s); @@ -7290,7 +7291,7 @@ match_group_member (asection *sec, asection *group) NULL. */ asection * -_bfd_elf_check_kept_section (asection *sec) +_bfd_elf_check_kept_section (asection *sec, struct bfd_link_info *info) { asection *kept; @@ -7298,7 +7299,7 @@ _bfd_elf_check_kept_section (asection *sec) if (kept != NULL) { if (elf_sec_group (sec) != NULL) - kept = match_group_member (sec, kept); + kept = match_group_member (sec, kept, info); if (kept != NULL && sec->size != kept->size) kept = NULL; } @@ -7651,7 +7652,8 @@ elf_link_input_bfd (struct elf_final_link_info *finfo, bfd *input_bfd) { asection *kept; - kept = _bfd_elf_check_kept_section (sec); + kept = _bfd_elf_check_kept_section (sec, + finfo->info); if (kept != NULL) { *ps = kept; @@ -8800,6 +8802,17 @@ bfd_elf_final_link (bfd *abfd, struct bfd_link_info *info) } } + /* Free symbol buffer if needed. */ + if (!info->reduce_memory_overheads) + { + for (sub = info->input_bfds; sub != NULL; sub = sub->link_next) + if (elf_tdata (sub)->symbuf) + { + free (elf_tdata (sub)->symbuf); + elf_tdata (sub)->symbuf = NULL; + } + } + /* Output any global symbols that got converted to local in a version script or due to symbol visibility. We do this in a separate step since ELF requires all local symbols to appear @@ -10296,7 +10309,8 @@ bfd_elf_discard_info (bfd *output_bfd, struct bfd_link_info *info) } void -_bfd_elf_section_already_linked (bfd *abfd, struct bfd_section * sec) +_bfd_elf_section_already_linked (bfd *abfd, struct bfd_section *sec, + struct bfd_link_info *info) { flagword flags; const char *name, *p; @@ -10462,7 +10476,8 @@ _bfd_elf_section_already_linked (bfd *abfd, struct bfd_section * sec) if ((l->sec->flags & SEC_GROUP) == 0 && bfd_coff_get_comdat_section (l->sec->owner, l->sec) == NULL && bfd_elf_match_symbols_in_sections (l->sec, - elf_next_in_group (sec))) + elf_next_in_group (sec), + info)) { elf_next_in_group (sec)->output_section = bfd_abs_section_ptr; elf_next_in_group (sec)->kept_section = l->sec; @@ -10483,7 +10498,7 @@ _bfd_elf_section_already_linked (bfd *abfd, struct bfd_section * sec) if (first != NULL && elf_next_in_group (first) == first - && bfd_elf_match_symbols_in_sections (first, sec)) + && bfd_elf_match_symbols_in_sections (first, sec, info)) { sec->output_section = bfd_abs_section_ptr; sec->kept_section = l->sec; diff --git a/bfd/libbfd-in.h b/bfd/libbfd-in.h index 52172c1..a9c96db 100644 --- a/bfd/libbfd-in.h +++ b/bfd/libbfd-in.h @@ -410,7 +410,7 @@ extern bfd_boolean _bfd_generic_set_section_contents #define _bfd_nolink_bfd_link_split_section \ ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) #define _bfd_nolink_section_already_linked \ - ((void (*) (bfd *, struct bfd_section *)) bfd_void) + ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void) /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC @@ -524,7 +524,7 @@ extern bfd_boolean _bfd_generic_link_split_section (bfd *, struct bfd_section *); extern void _bfd_generic_section_already_linked - (bfd *, struct bfd_section *); + (bfd *, struct bfd_section *, struct bfd_link_info *); /* Generic reloc_link_order processing routine. */ extern bfd_boolean _bfd_generic_reloc_link_order diff --git a/bfd/libbfd.h b/bfd/libbfd.h index a4c4f01..92dfc15 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -415,7 +415,7 @@ extern bfd_boolean _bfd_generic_set_section_contents #define _bfd_nolink_bfd_link_split_section \ ((bfd_boolean (*) (bfd *, struct bfd_section *)) bfd_false) #define _bfd_nolink_section_already_linked \ - ((void (*) (bfd *, struct bfd_section *)) bfd_void) + ((void (*) (bfd *, struct bfd_section *, struct bfd_link_info *)) bfd_void) /* Routines to use for BFD_JUMP_TABLE_DYNAMIC for targets which do not have dynamic symbols or relocs. Use BFD_JUMP_TABLE_DYNAMIC @@ -529,7 +529,7 @@ extern bfd_boolean _bfd_generic_link_split_section (bfd *, struct bfd_section *); extern void _bfd_generic_section_already_linked - (bfd *, struct bfd_section *); + (bfd *, struct bfd_section *, struct bfd_link_info *); /* Generic reloc_link_order processing routine. */ extern bfd_boolean _bfd_generic_reloc_link_order diff --git a/bfd/linker.c b/bfd/linker.c index 8d881c6..b9aaf00 100644 --- a/bfd/linker.c +++ b/bfd/linker.c @@ -2876,14 +2876,15 @@ FUNCTION bfd_section_already_linked SYNOPSIS - void bfd_section_already_linked (bfd *abfd, asection *sec); + void bfd_section_already_linked (bfd *abfd, asection *sec, + struct bfd_link_info *info); DESCRIPTION Check if @var{sec} has been already linked during a reloceatable or final link. -.#define bfd_section_already_linked(abfd, sec) \ -. BFD_SEND (abfd, _section_already_linked, (abfd, sec)) +.#define bfd_section_already_linked(abfd, sec, info) \ +. BFD_SEND (abfd, _section_already_linked, (abfd, sec, info)) . */ @@ -2969,7 +2970,8 @@ bfd_section_already_linked_table_free (void) /* This is used on non-ELF inputs. */ void -_bfd_generic_section_already_linked (bfd *abfd, asection *sec) +_bfd_generic_section_already_linked (bfd *abfd, asection *sec, + struct bfd_link_info *info ATTRIBUTE_UNUSED) { flagword flags; const char *name; diff --git a/bfd/targets.c b/bfd/targets.c index dac1136..71e3337 100644 --- a/bfd/targets.c +++ b/bfd/targets.c @@ -481,7 +481,8 @@ BFD_JUMP_TABLE macros. . . {* Check if SEC has been already linked during a reloceatable or . final link. *} -. void (*_section_already_linked) (bfd *, struct bfd_section *); +. void (*_section_already_linked) (bfd *, struct bfd_section *, +. struct bfd_link_info *); . . {* Routines to handle dynamic symbols and relocs. *} .#define BFD_JUMP_TABLE_DYNAMIC(NAME) \ |