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authorH.J. Lu <hjl.tools@gmail.com>2011-03-04 23:44:01 +0000
committerH.J. Lu <hjl.tools@gmail.com>2011-03-04 23:44:01 +0000
commit1715a13cc2716b05ab6715f81c5d1f852675ed20 (patch)
tree75321a4f5b940b002179db047cf2dc0dfa9f90ed
parent51dc551dc20e8447413408430af80e253f5e872f (diff)
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Report plugin symbols for --verbose=N.
2011-03-04 H.J. Lu <hongjiu.lu@intel.com> * ld.texinfo: Document --verbose[=NUMBER]. * lexsup.c (ld_options): Update --verbose. (parse_args): Set report_plugin_symbols. * plugin.c (report_plugin_symbols): New. (get_symbols): Report plugin symbols if report_plugin_symbols is TRUE. * plugin.h (report_plugin_symbols): New.
-rw-r--r--ld/ChangeLog13
-rw-r--r--ld/ld.texinfo9
-rw-r--r--ld/lexsup.c13
-rw-r--r--ld/plugin.c22
-rw-r--r--ld/plugin.h2
5 files changed, 46 insertions, 13 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 4f5f2c8..bdf4b01 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,16 @@
+2011-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ * ld.texinfo: Document --verbose[=NUMBER].
+
+ * lexsup.c (ld_options): Update --verbose.
+ (parse_args): Set report_plugin_symbols.
+
+ * plugin.c (report_plugin_symbols): New.
+ (get_symbols): Report plugin symbols if report_plugin_symbols
+ is TRUE.
+
+ * plugin.h (report_plugin_symbols): New.
+
2011-03-01 H.J. Lu <hongjiu.lu@intel.com>
PR ld/12529
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 9957d03..ed79923 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -1851,13 +1851,14 @@ Normally the linker will generate an error message for each reported
unresolved symbol but the option @option{--warn-unresolved-symbols}
can change this to a warning.
-@kindex --verbose
-@cindex verbose
+@kindex --verbose[=@var{NUMBER}]
+@cindex verbose[=@var{NUMBER}]
@item --dll-verbose
-@itemx --verbose
+@itemx --verbose[=@var{NUMBER}]
Display the version number for @command{ld} and list the linker emulations
supported. Display which input files can and cannot be opened. Display
-the linker script being used by the linker.
+the linker script being used by the linker. If the optional @var{NUMBER}
+argument > 1, plugin symbol status will also be displayed.
@kindex --version-script=@var{version-scriptfile}
@cindex version script, symbol versions
diff --git a/ld/lexsup.c b/ld/lexsup.c
index acb63fb..8cf96eb 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -560,8 +560,9 @@ static const struct ld_option ld_options[] =
" ignore-all, report-all, ignore-in-object-files,\n"
" ignore-in-shared-libs"),
TWO_DASHES },
- { {"verbose", no_argument, NULL, OPTION_VERBOSE},
- '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
+ { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
+ '\0', N_("[=NUMBER]"),
+ N_("Output lots of information during link"), TWO_DASHES },
{ {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
'\0', NULL, NULL, NO_HELP },
{ {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
@@ -1326,6 +1327,14 @@ parse_args (unsigned argc, char **argv)
version_printed = TRUE;
trace_file_tries = TRUE;
overflow_cutoff_limit = -2;
+ if (optarg != NULL)
+ {
+ char *end;
+ int level = strtoul (optarg, &end, 0);
+ if (*end)
+ einfo (_("%P%F: invalid number `%s'\n"), optarg);
+ report_plugin_symbols = level > 1;
+ }
break;
case 'v':
ldversion (0);
diff --git a/ld/plugin.c b/ld/plugin.c
index 7ac2cb8..a68aea3 100644
--- a/ld/plugin.c
+++ b/ld/plugin.c
@@ -36,6 +36,9 @@
#include <Windows.h>
#endif
+/* Report plugin symbols. */
+bfd_boolean report_plugin_symbols;
+
/* The suffix to append to the name of the real (claimed) object file
when generating a dummy BFD to hold the IR symbols sent from the
plugin. */
@@ -463,7 +466,7 @@ get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
if (!blhe)
{
syms[n].resolution = LDPR_UNKNOWN;
- continue;
+ goto report_symbol;
}
/* Determine resolution from blhe type and symbol's original type. */
@@ -471,7 +474,7 @@ get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
|| blhe->type == bfd_link_hash_undefweak)
{
syms[n].resolution = LDPR_UNDEF;
- continue;
+ goto report_symbol;
}
if (blhe->type != bfd_link_hash_defined
&& blhe->type != bfd_link_hash_defweak
@@ -516,7 +519,7 @@ get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
syms[n].resolution = LDPR_RESOLVED_DYN;
else
syms[n].resolution = LDPR_RESOLVED_EXEC;
- continue;
+ goto report_symbol;
}
/* Was originally def, or weakdef. Does it prevail? If the
@@ -529,13 +532,18 @@ get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
syms[n].resolution = (ironly
? LDPR_PREVAILING_DEF_IRONLY
: LDPR_PREVAILING_DEF);
- continue;
+ goto report_symbol;
}
/* Was originally def, weakdef, or common, but has been pre-empted. */
- syms[n].resolution = is_ir_dummy_bfd (owner_sec->owner)
- ? LDPR_PREEMPTED_IR
- : LDPR_PREEMPTED_REG;
+ syms[n].resolution = (is_ir_dummy_bfd (owner_sec->owner)
+ ? LDPR_PREEMPTED_IR
+ : LDPR_PREEMPTED_REG);
+
+report_symbol:
+ if (report_plugin_symbols)
+ einfo ("%P: %B: symbol `%s' definition: %d, resolution: %d\n",
+ abfd, syms[n].name, syms[n].def, syms[n].resolution);
}
return LDPS_OK;
}
diff --git a/ld/plugin.h b/ld/plugin.h
index 5b340be..6ba8fa8 100644
--- a/ld/plugin.h
+++ b/ld/plugin.h
@@ -21,6 +21,8 @@
#ifndef GLD_PLUGIN_H
#define GLD_PLUGIN_H
+/* Report plugin symbols. */
+extern bfd_boolean report_plugin_symbols;
/* This is the only forward declaration we need to avoid having
to include the plugin-api.h header in order to use this file. */