diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc/0041-apply-debug-prefix-maps-before-checksumming-DIEs.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc/0041-apply-debug-prefix-maps-before-checksumming-DIEs.patch | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/meta/recipes-devtools/gcc/gcc/0041-apply-debug-prefix-maps-before-checksumming-DIEs.patch b/meta/recipes-devtools/gcc/gcc/0041-apply-debug-prefix-maps-before-checksumming-DIEs.patch deleted file mode 100644 index c8dcd74b9d..0000000000 --- a/meta/recipes-devtools/gcc/gcc/0041-apply-debug-prefix-maps-before-checksumming-DIEs.patch +++ /dev/null @@ -1,95 +0,0 @@ -From 7cc2df084b7977653a9b59cbc34a9ad500ae619c Mon Sep 17 00:00:00 2001 -From: Richard Biener <rguenther@suse.de> -Date: Tue, 20 Jul 2021 11:00:33 +0200 -Subject: [PATCH] debug/101473 - apply debug prefix maps before checksumming DIEs - -The following makes sure to apply the debug prefix maps to filenames -before checksumming DIEs to create the global symbol for the CU DIE -used by LTO to link the late debug to the early debug. This avoids -binary differences (in said symbol) when compiling with toolchains -installed under a different path and that compensated with appropriate --fdebug-prefix-map options. - -The easiest and most scalable way is to record both the unmapped -and the remapped filename in the dwarf_file_data so the remapping -process takes place at a single point and only once (otherwise it -creates GC garbage at each point doing that). - -2021-07-20 Richard Biener <rguenther@suse.de> - - PR debug/101473 - * dwarf2out.h (dwarf_file_data): Add key member. - * dwarf2out.c (dwarf_file_hasher::equal): Compare key. - (dwarf_file_hasher::hash): Hash key. - (lookup_filename): Remap the filename and store it in the - filename member of dwarf_file_data when creating a new - dwarf_file_data. - (file_name_acquire): Do not remap the filename again. - (maybe_emit_file): Likewise. - -[YOCTO #14481] - -Upstream-Status: Backport [https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=7cc2df084b7977653a9b59cbc34a9ad500ae619c] - -The upstream patch was modified to compensate for the definition of -"struct dwarf_file_data" being in dwarf2out.c rather than dwarf2out.h in -this version of gcc. - -Signed-off-by: Tony Battersby <tonyb@cybernetics.com> ---- -diff -urpN a/gcc/dwarf2out.c b/gcc/dwarf2out.c ---- a/gcc/dwarf2out.c 2021-04-27 06:00:13.000000000 -0400 -+++ b/gcc/dwarf2out.c 2021-07-23 16:40:06.141886167 -0400 -@@ -1283,6 +1283,7 @@ dwarf2out_switch_text_section (void) - - /* Data about a single source file. */ - struct GTY((for_user)) dwarf_file_data { -+ const char * key; - const char * filename; - int emitted_number; - }; -@@ -12334,7 +12335,7 @@ file_name_acquire (dwarf_file_data **slo - - fi = fnad->files + fnad->used_files++; - -- f = remap_debug_filename (d->filename); -+ f = d->filename; - - /* Skip all leading "./". */ - while (f[0] == '.' && IS_DIR_SEPARATOR (f[1])) -@@ -27231,13 +27232,13 @@ dwarf2out_ignore_block (const_tree block - bool - dwarf_file_hasher::equal (dwarf_file_data *p1, const char *p2) - { -- return filename_cmp (p1->filename, p2) == 0; -+ return filename_cmp (p1->key, p2) == 0; - } - - hashval_t - dwarf_file_hasher::hash (dwarf_file_data *p) - { -- return htab_hash_string (p->filename); -+ return htab_hash_string (p->key); - } - - /* Lookup FILE_NAME (in the list of filenames that we know about here in -@@ -27267,7 +27268,8 @@ lookup_filename (const char *file_name) - return *slot; - - created = ggc_alloc<dwarf_file_data> (); -- created->filename = file_name; -+ created->key = file_name; -+ created->filename = remap_debug_filename (file_name); - created->emitted_number = 0; - *slot = created; - return created; -@@ -27293,8 +27295,7 @@ maybe_emit_file (struct dwarf_file_data - if (output_asm_line_debug_info ()) - { - fprintf (asm_out_file, "\t.file %u ", fd->emitted_number); -- output_quoted_string (asm_out_file, -- remap_debug_filename (fd->filename)); -+ output_quoted_string (asm_out_file, fd->filename); - fputc ('\n', asm_out_file); - } - } |