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authorThomas Preud'homme <thomas.preudhomme@arm.com>2016-07-15 17:49:08 +0100
committerThomas Preud'homme <thomas.preudhomme@arm.com>2016-07-15 17:50:48 +0100
commit76359541825cf36ecd14ab6b5974ee56e1c59eff (patch)
tree2043ac1a958572f267df5fabf168bca70300900b /include
parentbc7b765ab71f967eb2a9c3da111d7529eec46fbe (diff)
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Add support for creating ELF import libraries
2016-07-15 Thomas Preud'homme <thomas.preudhomme@arm.com> bfd/ * elf-bfd.h (elf_backend_filter_implib_symbols): Declare backend hook. (_bfd_elf_filter_global_symbols): Declare. * elf.c (_bfd_elf_filter_global_symbols): New function. * elflink.c (elf_filter_global_symbols): Likewise. (elf_output_implib): Likewise. (bfd_elf_final_link): Call above function, failing if it does. * elfxx-target.h (elf_backend_filter_implib_symbols): Define macro and default it to NULL. (elf_backend_copy_indirect_symbol): Fix spacing. (elf_backend_hide_symbol): Likewise. (elfNN_bed): Initialize elf_backend_filter_implib_symbols backend hook. include/ * bfdlink.h (struct bfd_link_info): Declare new ldscript_def and out_implib_bfd fields. 2016-07-15 Thomas Preud'homme <thomas.preudhomme@arm.com> Nick Clifton <nickc@redhat.com> ld/ * emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Open import library file for writing and initialize implib_bfd field of link_info structure. * emultempl/pe.em (pe_implib_filename): Remove variable declaration. (OPTION_IMPLIB_FILENAME): Remove macro definition. (gld${EMULATION_NAME}_add_options): Remove --out-implib option. (gld_${EMULATION_NAME}_list_options): Likewise. (gld${EMULATION_NAME}_handle_option): Likewise. (gld_${EMULATION_NAME}_finish): Use command_line.out_implib_filename instead of pe_implib_filename. * emultempl/pep.em (pep_implib_filename): Remove variable declaration. (OPTION_IMPLIB_FILENAME): Remove enumerator. (gld${EMULATION_NAME}_add_options): Remove --out-implib option. (gld_${EMULATION_NAME}_list_options): Likewise. (gld${EMULATION_NAME}_handle_option): Likewise. (gld_${EMULATION_NAME}_finish): Use command_line.out_implib_filename instead of pep_implib_filename. * ld.h (args_type): Declare new out_implib_filename field. * ld.texinfo (--out-implib): Move documentation to arch-independent part and rephrase to apply to ELF targets. * ldexp.c (exp_fold_tree_1): Set ldscript_def field to 1 for symbols defined in linker scripts. * ldlex.h (enum option_values): Declare new OPTION_OUT_IMPLIB enumerator. * lexsup.c (ld_options): Add entry for new --out-implib switch. (parse_args): Handle OPTION_OUT_IMPLIB case. * testsuite/ld-elf/elf.exp (Generate empty import library): New test. (Generate import library): Likewise. * testsuite/ld-elf/implib.s: Likewise. * testsuite/ld-elf/implib.rd: New file. * testsuite/ld-elf/empty-implib.out: Likewise
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog5
-rw-r--r--include/bfdlink.h6
2 files changed, 11 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index 23b8a07..f000f72 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2016-07-15 Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * bfdlink.h (struct bfd_link_info): Declare new ldscript_def and
+ out_implib_bfd fields.
+
2016-07-14 Claudiu Zissulescu <claziss@synopsys.com>
* elf/arc-reloc.def (ARC_SDA32): Don't use ME transformation.
diff --git a/include/bfdlink.h b/include/bfdlink.h
index b392d54..9b2194f 100644
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -108,6 +108,9 @@ struct bfd_link_hash_entry
in a linker script. */
unsigned int linker_def : 1;
+ /* Symbol defined in a linker script. */
+ unsigned int ldscript_def : 1;
+
/* A union of information depending upon the type. */
union
{
@@ -532,6 +535,9 @@ struct bfd_link_info
/* The output BFD. */
bfd *output_bfd;
+ /* The import library generated. */
+ bfd *out_implib_bfd;
+
/* The list of input BFD's involved in the link. These are chained
together via the link.next field. */
bfd *input_bfds;