diff options
author | Jakub Jelinek <jakub@redhat.com> | 2001-04-13 00:34:36 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2001-04-13 00:34:36 +0000 |
commit | f5fa8ca231d47662321addbfbde105e2bed0be07 (patch) | |
tree | f7627630ea5563084aff4b9d1cfe756113ee8a85 /ld | |
parent | 6c98e688d5bbc670851c9e092c132a565eb67519 (diff) | |
download | fsf-binutils-gdb-f5fa8ca231d47662321addbfbde105e2bed0be07.zip fsf-binutils-gdb-f5fa8ca231d47662321addbfbde105e2bed0be07.tar.gz fsf-binutils-gdb-f5fa8ca231d47662321addbfbde105e2bed0be07.tar.bz2 |
bfd/
* libbfd-in.h (_bfd_merge_section): New.
(_bfd_write_merged_section): New.
(_bfd_merged_section_offset): New.
* libbfd.h: Rebuilt.
* linker.c (_bfd_generic_link_output_symbols): Handle
discard_sec_merge.
* aoutx.h (aout_link_write_symbols): Likewise.
* pdp11.c (aout_link_write_symbols): Likewise.
* elflink.h (elf_link_add_object_symbols): Call _bfd_merge_section.
(elf_bfd_final_link): Adjust global symbols pointing into SEC_MERGE
sections.
(elf_link_sec_merge_syms): New.
(elf_link_input_bfd): Call _bfd_merged_section_offset
and _bfd_write_merged_section.
Handle discard_sec_merge.
* elf-bfd.h (struct elf_link_hash_table): Add merge_info
field.
(struct bfd_elf_section_data): Likewise.
* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_MERGE and
SEC_STRINGS section flags and entsize from their ELF counterparts.
(_bfd_elf_link_hash_table_init): Initialize merge_info.
(elf_fake_sections): Set SHF_MERGE, SHF_STRINGS and sh_entsize
from their BFD counterparts.
* merge.c: New file.
* Makefile.am: Add strtab.lo.
* Makefile.in: Rebuilt.
include/
* bfdlink.h (bfd_link_discard): Add discard_sec_merge.
gas/
* config/obj-elf.c (obj_elf_change_section): Add entsize argument,
handle SHF_MERGE and SHF_STRINGS.
(obj_elf_parse_section_letters): Set SHF_MERGE and SHF_STRINGS.
(obj_elf_section): Allow additional argument specifying entity size.
* write.c (adjust_reloc_syms): Keep relocations against local symbols
in SEC_MERGE sections.
ld/
* ldmain.c (main): Default to discard_sec_merge.
* lexsup.c (OPTION_DISCARD_NONE): Define.
(ld_options): Add --discard-none.
(parse_args): Handle OPTION_DISCARD_NONE.
* ldlang.c (wild_doit): SEC_MERGE should be set in the output
section only if SEC_MERGE and SEC_STRINGS flags and entsize of
all its input sections match.
Diffstat (limited to 'ld')
-rw-r--r-- | ld/ChangeLog | 10 | ||||
-rw-r--r-- | ld/ldlang.c | 14 | ||||
-rw-r--r-- | ld/ldmain.c | 4 | ||||
-rw-r--r-- | ld/lexsup.c | 8 |
4 files changed, 33 insertions, 3 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 5266bf9..8167892 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,13 @@ +2001-04-13 Jakub Jelinek <jakub@redhat.com> + + * ldmain.c (main): Default to discard_sec_merge. + * lexsup.c (OPTION_DISCARD_NONE): Define. + (ld_options): Add --discard-none. + (parse_args): Handle OPTION_DISCARD_NONE. + * ldlang.c (wild_doit): SEC_MERGE should be set in the output + section only if SEC_MERGE and SEC_STRINGS flags and entsize of + all its input sections match. + 2001-04-05 Steven J. Hill <sjhill@cotw.com> * Makefile.am (ALL_EMULATIONS): Add eelf32ltsmip.o. diff --git a/ld/ldlang.c b/ld/ldlang.c index f417a30..dbe0697 100644 --- a/ld/ldlang.c +++ b/ld/ldlang.c @@ -1176,8 +1176,22 @@ wild_doit (ptr, section, output, file) if (! first && (section->output_section->flags & SEC_READONLY) == 0) flags &= ~ SEC_READONLY; + /* Keep SEC_MERGE and SEC_STRINGS only if they are the same. */ + if (! first + && ((section->output_section->flags & (SEC_MERGE | SEC_STRINGS)) + != (flags & (SEC_MERGE | SEC_STRINGS)) + || ((flags & SEC_MERGE) + && section->output_section->entsize != section->entsize))) + { + section->output_section->flags &= ~ (SEC_MERGE | SEC_STRINGS); + flags &= ~ (SEC_MERGE | SEC_STRINGS); + } + section->output_section->flags |= flags; + if (flags & SEC_MERGE) + section->output_section->entsize = section->entsize; + /* If SEC_READONLY is not set in the input section, then clear it from the output section. */ if ((section->flags & SEC_READONLY) == 0) diff --git a/ld/ldmain.c b/ld/ldmain.c index 0113453..4e9827f 100644 --- a/ld/ldmain.c +++ b/ld/ldmain.c @@ -225,7 +225,7 @@ main (argc, argv) link_info.no_undefined = false; link_info.allow_shlib_undefined = false; link_info.strip = strip_none; - link_info.discard = discard_none; + link_info.discard = discard_sec_merge; link_info.keep_memory = true; link_info.input_bfds = NULL; link_info.create_object_symbols_section = NULL; @@ -278,7 +278,7 @@ main (argc, argv) if (link_info.relocateable && link_info.strip == strip_all) { link_info.strip = strip_debugger; - if (link_info.discard == discard_none) + if (link_info.discard == discard_sec_merge) link_info.discard = discard_all; } diff --git a/ld/lexsup.c b/ld/lexsup.c index 3664a85..0d931b1 100644 --- a/ld/lexsup.c +++ b/ld/lexsup.c @@ -129,6 +129,7 @@ int parsing_defsym = 0; #define OPTION_UNIQUE (OPTION_SECTION_START + 1) #define OPTION_TARGET_HELP (OPTION_UNIQUE + 1) #define OPTION_ALLOW_SHLIB_UNDEFINED (OPTION_TARGET_HELP + 1) +#define OPTION_DISCARD_NONE (OPTION_ALLOW_SHLIB_UNDEFINED + 1) /* The long options. This structure is used for both the option parsing and the help text. */ @@ -248,7 +249,9 @@ static const struct ld_option ld_options[] = { {"discard-all", no_argument, NULL, 'x'}, 'x', NULL, N_("Discard all local symbols"), TWO_DASHES }, { {"discard-locals", no_argument, NULL, 'X'}, - 'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES }, + 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES }, + { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE}, + '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES }, { {"trace-symbol", required_argument, NULL, 'y'}, 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES }, { {NULL, required_argument, NULL, '\0'}, @@ -1044,6 +1047,9 @@ the GNU General Public License. This program has absolutely no warranty.\n")); case OPTION_WRAP: add_wrap (optarg); break; + case OPTION_DISCARD_NONE: + link_info.discard = discard_none; + break; case 'X': link_info.discard = discard_l; break; |