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Add --remap-inputs option to the BFD linker.

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PR 30374
  * ldfile.c (struct input_remap): New structure. (ldfile_add_remap): New function. (ldfile_remap_input_free): New function. (ldfile_add_remap_file): New function. (ldfile_possibly_remap_input): New function. (ldfile_print_input_remaps): New function. * ldfile.h: Add prototypes for new functions.
  * ldlang.c (new_afile): Call ldfile_possibly_remap_input. (lang_finish): Call ldfile_remap_input_free. (lang_map): Call ldfile_print_input_remaps.
  * ldlex.h (OPTION_REMAP_INPUTS, OPTION_REMAP_INPUTS_FILE): Define.
  * lexsup.c (ld_options): Add --remap-inputs-file and --remap-inputs. (parse_args): Handle new options.
  * NEWS: Mention the new feature.
  * ld.texi: Document the new options.
  * testsuite/ld-misc/input-remap.exp: New test driver.
  * testsuite/ld-misc/remaps.r: New file: Expected linker output.
  * testsuite/ld-misc/remaps.txt: New file.  Input remaps file.
This commit is contained in:
Nick Clifton
2023-06-14 13:39:03 +01:00
parent 6f860418d5
commit fb221fba1a
11 changed files with 429 additions and 0 deletions
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7
ld/ldlang.c
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@@ -1125,6 +1125,10 @@ new_afile (const char *name,
lang_has_input_file = true;
name = ldfile_possibly_remap_input (name);
if (name == NULL)
return NULL;
p = new_stat (lang_input_statement, stat_ptr);
memset (&p->the_bfd, 0,
sizeof (*p) - offsetof (lang_input_statement_type, the_bfd));
@@ -1328,6 +1332,7 @@ void
lang_finish (void)
{
output_section_statement_table_free ();
ldfile_remap_input_free ();
}
/*----------------------------------------------------------------------
@@ -2280,6 +2285,8 @@ lang_map (void)
lang_memory_region_type *m;
bool dis_header_printed = false;
ldfile_print_input_remaps ();
LANG_FOR_EACH_INPUT_STATEMENT (file)
{
asection *s;