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binutils/binutils-do-not-use-debuginfod.patch

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diff -rup binutils.orig/binutils/NEWS binutils-2.38/binutils/NEWS
--- binutils.orig/binutils/NEWS 2022-03-10 09:13:18.284641005 +0000
+++ binutils-2.38/binutils/NEWS 2022-03-10 09:13:26.007586352 +0000
@@ -1,5 +1,8 @@
-*- text -*-
+* Add an option to objdump and readelf to prevent attempts to access debuginfod
+ servers when following links.
+
Changes in 2.38:
* elfedit: Add --output-abiversion option to update ABIVERSION.
diff -rup binutils.orig/binutils/doc/binutils.texi binutils-2.38/binutils/doc/binutils.texi
--- binutils.orig/binutils/doc/binutils.texi 2022-03-10 09:13:18.285640998 +0000
+++ binutils-2.38/binutils/doc/binutils.texi 2022-03-10 09:13:26.009586338 +0000
@@ -2246,6 +2246,8 @@ objdump [@option{-a}|@option{--archive-h
@option{--dwarf}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=str-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links]]
[@option{-WK}|@option{--dwarf=follow-links}]
[@option{-WN}|@option{--dwarf=no-follow-links}]
+ [@option{-wD}|@option{--dwarf=use-debuginfod}]
+ [@option{-wE}|@option{--dwarf=do-not-use-debuginfod}]
[@option{-L}|@option{--process-links}]
[@option{--ctf=}@var{section}]
[@option{-G}|@option{--stabs}]
@@ -4879,6 +4881,8 @@ readelf [@option{-a}|@option{--all}]
@option{--debug-dump}[=rawline,=decodedline,=info,=abbrev,=pubnames,=aranges,=macro,=frames,=frames-interp,=str,=str-offsets,=loc,=Ranges,=pubtypes,=trace_info,=trace_abbrev,=trace_aranges,=gdb_index,=addr,=cu_index,=links]]
[@option{-wK}|@option{--debug-dump=follow-links}]
[@option{-wN}|@option{--debug-dump=no-follow-links}]
+ [@option{-wD}|@option{--debug-dump=use-debuginfod}]
+ [@option{-wE}|@option{--debug-dump=do-not-use-debuginfod}]
[@option{-P}|@option{--process-links}]
[@option{--dwarf-depth=@var{n}}]
[@option{--dwarf-start=@var{n}}]
@@ -5504,7 +5508,8 @@ deduced from the input file
@cindex separate debug files
debuginfod is a web service that indexes ELF/DWARF debugging resources
-by build-id and serves them over HTTP.
+by build-id and serves them over HTTP. For more information see:
+@emph{https://sourceware.org/elfutils/Debuginfod.html}
Binutils can be built with the debuginfod client library
@code{libdebuginfod} using the @option{--with-debuginfod} configure option.
@@ -5516,6 +5521,10 @@ separate debug files when the files are
debuginfod is packaged with elfutils, starting with version 0.178.
You can get the latest version from `https://sourceware.org/elfutils/'.
+The DWARF info dumping tools (@command{readelf} and @command{objdump})
+have options to control when they should access the debuginfod
+servers. By default this access is enabled.
+
@node Reporting Bugs
@chapter Reporting Bugs
@cindex bugs
Only in binutils-2.38/binutils/doc: binutils.texi.orig
diff -rup binutils.orig/binutils/doc/debug.options.texi binutils-2.38/binutils/doc/debug.options.texi
--- binutils.orig/binutils/doc/debug.options.texi 2022-03-10 09:13:18.285640998 +0000
+++ binutils-2.38/binutils/doc/debug.options.texi 2022-03-10 09:13:26.009586338 +0000
@@ -68,10 +68,27 @@ chosen when configuring the binutils via
@option{--enable-follow-debug-links=no} options. If these are not
used then the default is to enable the following of debug links.
+Note - if support for the debuginfod protocol was enabled when the
+binutils were built then this option will also include an attempt to
+contact any debuginfod servers mentioned in the @var{DEBUGINFOD_URLS}
+environment variable. This could take some time to resolve. This
+behaviour can be disabled via the @option{=do-not-use-debuginfod} debug
+option.
+
@item N
@itemx =no-follow-links
Disables the following of links to separate debug info files.
+@item D
+@itemx =use-debuginfod
+Enables contacting debuginfod servers if there is a need to follow
+debug links. This is the default behaviour.
+
+@item E
+@itemx =do-not-use-debuginfod
+Disables contacting debuginfod servers when there is a need to follow
+debug links.
+
@item l
@itemx =rawline
Displays the contents of the @samp{.debug_line} section in a raw
diff -rup binutils.orig/binutils/dwarf.c binutils-2.38/binutils/dwarf.c
--- binutils.orig/binutils/dwarf.c 2022-03-10 09:13:18.283641012 +0000
+++ binutils-2.38/binutils/dwarf.c 2022-03-10 09:13:26.010586331 +0000
@@ -109,6 +109,9 @@ int do_debug_cu_index;
int do_wide;
int do_debug_links;
int do_follow_links = DEFAULT_FOR_FOLLOW_LINKS;
+#ifdef HAVE_LIBDEBUGINFOD
+int use_debuginfod = 1;
+#endif
bool do_checks;
int dwarf_cutoff_level = -1;
@@ -11038,7 +11041,7 @@ debuginfod_fetch_separate_debug_info (st
return false;
}
-#endif
+#endif /* HAVE_LIBDEBUGINFOD */
static void *
load_separate_debug_info (const char * main_filename,
@@ -11157,9 +11160,10 @@ load_separate_debug_info (const char *
{
char * tmp_filename;
- if (debuginfod_fetch_separate_debug_info (xlink,
- & tmp_filename,
- file))
+ if (use_debuginfod
+ && debuginfod_fetch_separate_debug_info (xlink,
+ & tmp_filename,
+ file))
{
/* File successfully downloaded from server, replace
debug_filename with the file's path. */
@@ -11207,13 +11211,15 @@ load_separate_debug_info (const char *
warn (_("tried: %s\n"), debug_filename);
#if HAVE_LIBDEBUGINFOD
- {
- char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR);
- if (urls == NULL)
- urls = "";
+ if (use_debuginfod)
+ {
+ char *urls = getenv (DEBUGINFOD_URLS_ENV_VAR);
- warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls);
- }
+ if (urls == NULL)
+ urls = "";
+
+ warn (_("tried: DEBUGINFOD_URLS=%s\n"), urls);
+ }
#endif
}
@@ -11707,6 +11713,9 @@ dwarf_select_sections_by_names (const ch
{ "aranges", & do_debug_aranges, 1 },
{ "cu_index", & do_debug_cu_index, 1 },
{ "decodedline", & do_debug_lines, FLAG_DEBUG_LINES_DECODED },
+#ifdef HAVE_LIBDEBUGINFOD
+ { "do-not-use-debuginfod", & use_debuginfod, 0 },
+#endif
{ "follow-links", & do_follow_links, 1 },
{ "frames", & do_debug_frames, 1 },
{ "frames-interp", & do_debug_frames_interp, 1 },
@@ -11730,6 +11739,9 @@ dwarf_select_sections_by_names (const ch
{ "trace_abbrev", & do_trace_abbrevs, 1 },
{ "trace_aranges", & do_trace_aranges, 1 },
{ "trace_info", & do_trace_info, 1 },
+#ifdef HAVE_LIBDEBUGINFOD
+ { "use-debuginfod", & use_debuginfod, 1 },
+#endif
{ NULL, NULL, 0 }
};
@@ -11783,6 +11795,10 @@ dwarf_select_sections_by_letters (const
case 'A': do_debug_addr = 1; break;
case 'a': do_debug_abbrevs = 1; break;
case 'c': do_debug_cu_index = 1; break;
+#ifdef HAVE_LIBDEBUGINFOD
+ case 'D': use_debuginfod = 1; break;
+ case 'E': use_debuginfod = 0; break;
+#endif
case 'F': do_debug_frames_interp = 1; /* Fall through. */
case 'f': do_debug_frames = 1; break;
case 'g': do_gdb_index = 1; break;
diff -rup binutils.orig/binutils/dwarf.h binutils-2.38/binutils/dwarf.h
--- binutils.orig/binutils/dwarf.h 2022-03-10 09:13:18.284641005 +0000
+++ binutils-2.38/binutils/dwarf.h 2022-03-10 09:13:26.010586331 +0000
@@ -224,6 +224,9 @@ extern int do_debug_cu_index;
extern int do_wide;
extern int do_debug_links;
extern int do_follow_links;
+#ifdef HAVE_LIBDEBUGINFOD
+extern int use_debuginfod;
+#endif
extern bool do_checks;
extern int dwarf_cutoff_level;
diff -rup binutils.orig/binutils/objdump.c binutils-2.38/binutils/objdump.c
--- binutils.orig/binutils/objdump.c 2022-03-10 09:13:18.283641012 +0000
+++ binutils-2.38/binutils/objdump.c 2022-03-10 09:13:26.011586324 +0000
@@ -281,6 +281,14 @@ usage (FILE *stream, int status)
Do not follow links to separate debug info files\n\
(default)\n"));
#endif
+#if HAVE_LIBDEBUGINFOD
+ fprintf (stream, _("\
+ -WD --dwarf=use-debuginfod\n\
+ When following links, also query debuginfod servers (default)\n"));
+ fprintf (stream, _("\
+ -WE --dwarf=do-not-use-debuginfod\n\
+ When following links, do not query debuginfod servers\n"));
+#endif
fprintf (stream, _("\
-L, --process-links Display the contents of non-debug sections in\n\
separate debuginfo files. (Implies -WK)\n"));
Only in binutils-2.38/binutils/: objdump.c.orig
diff -rup binutils.orig/binutils/readelf.c binutils-2.38/binutils/readelf.c
--- binutils.orig/binutils/readelf.c 2022-03-10 09:13:18.302640878 +0000
+++ binutils-2.38/binutils/readelf.c 2022-03-10 09:13:26.012586316 +0000
@@ -5126,6 +5126,14 @@ usage (FILE * stream)
Do not follow links to separate debug info files\n\
(default)\n"));
#endif
+#if HAVE_LIBDEBUGINFOD
+ fprintf (stream, _("\
+ -wD --debug-dump=use-debuginfod\n\
+ When following links, also query debuginfod servers (default)\n"));
+ fprintf (stream, _("\
+ -wE --debug-dump=do-not-use-debuginfod\n\
+ When following links, do not query debuginfod servers\n"));
+#endif
fprintf (stream, _("\
--dwarf-depth=N Do not display DIEs at depth N or greater\n"));
fprintf (stream, _("\
Only in binutils-2.38/binutils/: readelf.c.orig
diff -rup binutils.orig/binutils/testsuite/binutils-all/debuginfod.exp binutils-2.38/binutils/testsuite/binutils-all/debuginfod.exp
--- binutils.orig/binutils/testsuite/binutils-all/debuginfod.exp 2022-03-10 09:13:18.291640956 +0000
+++ binutils-2.38/binutils/testsuite/binutils-all/debuginfod.exp 2022-03-10 09:13:26.012586316 +0000
@@ -185,8 +185,14 @@ proc test_fetch_debugaltlink { prog prog
}
if { [regexp ".*DEBUGINFOD.*" $conf_objdump] } {
- test_fetch_debuglink $OBJDUMP "-W"
+ test_fetch_debuglink $OBJDUMP "-W -WD"
test_fetch_debugaltlink $OBJDUMP "-Wk"
+
+ set test "disabling debuginfod access"
+ setup_xfail *-*-*
+ test_fetch_debuglink $OBJDUMP "-W -WE"
+ set test "debuginfod"
+
} else {
untested "$test (objdump not configured with debuginfod)"
}
@@ -194,6 +200,12 @@ if { [regexp ".*DEBUGINFOD.*" $conf_objd
if { [regexp ".*DEBUGINFOD.*" $conf_readelf] } {
test_fetch_debuglink $READELF "-w"
test_fetch_debugaltlink $READELF "-wk"
+
+ set test "disabling debuginfod access"
+ setup_xfail *-*-*
+ test_fetch_debuglink $READELF "-w -wE"
+ set test "debuginfod"
+
} else {
untested "$test (readelf not configured with debuginfod)"
}
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