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authorNick Clifton <nickc@redhat.com>2008-06-12 11:57:40 +0000
committerNick Clifton <nickc@redhat.com>2008-06-12 11:57:40 +0000
commitb922d5904f4a0ac69d5abfc8e24826b17012f334 (patch)
tree2d7ebe1abaceacb2bfad821c219956db6808eb27
parent5590fba9534e101a6f41d7ad801442cf7af17f98 (diff)
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PR binutils/6483
* objdump.c (dump_bfd): If the -g option found no STABS or IEEE debug information to display, try dumping DWARF information instead. * rddbg.c (read_debugging_info): Add a parameter to suppress the display of a warning message when no debug information is found. * budbg.h (read_debugging_info): Update prototype. * objcopy.c (copy_object): Continue to allow read_debugging_info to produce warning messages. * doc/binutils.texi (--debugging): Document new behaviour of the -g/--debugging option.
-rw-r--r--binutils/ChangeLog14
-rw-r--r--binutils/budbg.h4
-rw-r--r--binutils/doc/binutils.texi10
-rw-r--r--binutils/objcopy.c2
-rw-r--r--binutils/objdump.c8
-rw-r--r--binutils/rddbg.c9
6 files changed, 34 insertions, 13 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 84d7ea1..4ba9c0a 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,17 @@
+2008-06-12 Nick Clifton <nickc@redhat.com>
+
+ PR binutils/6483
+ * objdump.c (dump_bfd): If the -g option found no STABS or IEEE
+ debug information to display, try dumping DWARF information
+ instead.
+ * rddbg.c (read_debugging_info): Add a parameter to suppress the
+ display of a warning message when no debug information is found.
+ * budbg.h (read_debugging_info): Update prototype.
+ * objcopy.c (copy_object): Continue to allow read_debugging_info
+ to produce warning messages.
+ * doc/binutils.texi (--debugging): Document new behaviour of the
+ -g/--debugging option.
+
2008-06-10 Ben Elliston <bje@gnu.org>
* MAINTAINERS: Remove myself as m68k maintainer.
diff --git a/binutils/budbg.h b/binutils/budbg.h
index a8c99dd..cad6ac7 100644
--- a/binutils/budbg.h
+++ b/binutils/budbg.h
@@ -1,5 +1,5 @@
/* budbg.c -- Interfaces to the generic debugging information routines.
- Copyright 1995, 1996, 2002, 2003, 2007 Free Software Foundation, Inc.
+ Copyright 1995, 1996, 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@cygnus.com>.
This file is part of GNU Binutils.
@@ -26,7 +26,7 @@
/* Routine used to read generic debugging information. */
-extern void *read_debugging_info (bfd *, asymbol **, long);
+extern void *read_debugging_info (bfd *, asymbol **, long, bfd_boolean);
/* Routine used to print generic debugging information. */
diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi
index d08c617..2ebf354 100644
--- a/binutils/doc/binutils.texi
+++ b/binutils/doc/binutils.texi
@@ -1693,11 +1693,11 @@ for more information on demangling.
@item -g
@itemx --debugging
-Display debugging information. This attempts to parse debugging
-information stored in the file and print it out using a C like syntax.
-Only certain types of debugging information have been implemented.
-Some other types are supported by @command{readelf -w}.
-@xref{readelf}.
+Display debugging information. This attempts to parse STABS and IEEE
+debugging format information stored in the file and print it out using
+a C like syntax. If neither of these formats are found this option
+falls back on the @option{-W} option to print any DWARF information in
+the file.
@item -e
@itemx --debugging-tags
diff --git a/binutils/objcopy.c b/binutils/objcopy.c
index d44114a..49b022a 100644
--- a/binutils/objcopy.c
+++ b/binutils/objcopy.c
@@ -1674,7 +1674,7 @@ copy_object (bfd *ibfd, bfd *obfd)
have been created, but before their contents are set. */
dhandle = NULL;
if (convert_debugging)
- dhandle = read_debugging_info (ibfd, isympp, symcount);
+ dhandle = read_debugging_info (ibfd, isympp, symcount, FALSE);
if (strip_symbols == STRIP_DEBUG
|| strip_symbols == STRIP_ALL
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 5a86250..d171d14 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -2937,7 +2937,7 @@ dump_bfd (bfd *abfd)
{
void *dhandle;
- dhandle = read_debugging_info (abfd, syms, symcount);
+ dhandle = read_debugging_info (abfd, syms, symcount, TRUE);
if (dhandle != NULL)
{
if (!print_debugging_info (stdout, dhandle, abfd, syms,
@@ -2949,6 +2949,12 @@ dump_bfd (bfd *abfd)
exit_status = 1;
}
}
+ /* PR 6483: If there was no STABS or IEEE debug
+ info in the file, try DWARF instead. */
+ else if (! dump_dwarf_section_info)
+ {
+ dump_dwarf (abfd);
+ }
}
if (syms)
diff --git a/binutils/rddbg.c b/binutils/rddbg.c
index 6d26fee..e21ed6f 100644
--- a/binutils/rddbg.c
+++ b/binutils/rddbg.c
@@ -1,5 +1,5 @@
/* rddbg.c -- Read debugging information into a generic form.
- Copyright 1995, 1996, 1997, 2000, 2002, 2003, 2005, 2007
+ Copyright 1995, 1996, 1997, 2000, 2002, 2003, 2005, 2007, 2008
Free Software Foundation, Inc.
Written by Ian Lance Taylor <ian@cygnus.com>.
@@ -45,7 +45,7 @@ static void free_saved_stabs (void);
pointer. */
void *
-read_debugging_info (bfd *abfd, asymbol **syms, long symcount)
+read_debugging_info (bfd *abfd, asymbol **syms, long symcount, bfd_boolean no_messages)
{
void *dhandle;
bfd_boolean found;
@@ -84,8 +84,9 @@ read_debugging_info (bfd *abfd, asymbol **syms, long symcount)
if (! found)
{
- non_fatal (_("%s: no recognized debugging information"),
- bfd_get_filename (abfd));
+ if (! no_messages)
+ non_fatal (_("%s: no recognized debugging information"),
+ bfd_get_filename (abfd));
return NULL;
}