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authorRoland McGrath <mcgrathr@google.com>2020-06-23 12:01:24 -0700
committerRoland McGrath <mcgrathr@google.com>2020-06-23 12:01:24 -0700
commitf37b21b481a7804a13c5806098c19b6119288ba4 (patch)
tree3949b039081a31a28f9c9c227c7810e13ea2f25a /ld/NEWS
parent236ef0346d88efffd1ca1da1a5d80724cb145660 (diff)
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PR 22843: ld, gold: Add --dependency-file option.
gold/ * options.h (class General_options): Add --dependency-file option. * fileread.cc (File_read::files_read): New static variable. (File_read::open): Add the file to the files_read list. (File_read::record_file_read): New static member function. (File_read::write_dependency_file): New static member function. * fileread.h (class File_read): Declare them. * layout.cc (Layout::read_layout_from_file): Call record_file_read. (Close_task_runner::run): Call write_dependency_file if --dependency-file was passed. ld/ * NEWS: Note --dependency-file. * ld.texi (Options): Document --dependency-file. * ldlex.h (enum option_values): Add OPTION_DEPENDENCY_FILE. * ld.h (ld_config_type): New member dependency_file. * lexsup.c (ld_options, parse_args): Parse --dependency-file. * ldmain.c (struct dependency_file): New type. (dependency_files, dependency_files_tail): New static variables. (track_dependency_files): New function. (write_dependency_file): New function. (main): Call it when --dependency-file was passed. * ldfile.c (ldfile_try_open_bfd): Call track_dependency_files. (ldfile_open_command_file_1): Likewise. * ldelf.c (ldelf_try_needed): Likewise. * pe-dll.c (pe_implied_import_dll): Likewise.
Diffstat (limited to 'ld/NEWS')
-rw-r--r--ld/NEWS4
1 files changed, 4 insertions, 0 deletions
diff --git a/ld/NEWS b/ld/NEWS
index 6955937..4dd4f3c 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -28,6 +28,10 @@
* Add ELF linker command-line option `-z start-stop-visibility=...' to control
the visibility of synthetic `__start_SECNAME` and `__stop_SECNAME` symbols.
+* Add command-line option --dependency-file to write a Make-style dependency
+ file listing the input files consulted by the linker, like the files written
+ by the compiler's -M -MP options.
+
Changes in 2.34:
* The ld check for "PHDR segment not covered by LOAD segment" is more