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Change "set debug dwarf2-read" to take a verbosity level. 

* dwarf2read.c (dwarf2_read_debug): Change to unsigned int.
	(create_debug_types_hash_table): Only print debugging messages for
	each TU if dwarf2-read >= 2.
	(process_queue): Ditto.
	(_initialize_dwarf2_read): Make "set debug dwarf2-read" a zuinteger.
	Update doc string.

	doc/
	* gdb.texinfo (Debugging Output): Update text for
	"set debug dwarf2-read".
This commit is contained in:
Doug Evans 2013-11-08 11:47:08 -08:00
parent 1bd2f0baf1
commit 73be47f57c
4 changed files with 37 additions and 11 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
2013-11-08 Doug Evans <dje@google.com>
* dwarf2read.c (dwarf2_read_debug): Change to unsigned int.
(create_debug_types_hash_table): Only print debugging messages for
each TU if dwarf2-read >= 2.
(process_queue): Ditto.
(_initialize_dwarf2_read): Make "set debug dwarf2-read" a zuinteger.
Update doc string.
2013-11-08 Tom Tromey <tromey@redhat.com>
* configure: Rebuild.

5
gdb/doc/ChangeLog
View File

@ -1,3 +1,8 @@
2013-11-08 Doug Evans <dje@google.com>
* gdb.texinfo (Debugging Output): Update text for
"set debug dwarf2-read".
2013-11-08 Doug Evans <dje@google.com>
* gdb.texinfo (Debugging Output): Update text for

4
gdb/doc/gdb.texinfo
View File

@ -22609,7 +22609,9 @@ Show the current state of DWARF2 DIE debugging.
@item set debug dwarf2-read
@cindex DWARF2 Reading
Turns on or off display of debugging messages related to reading
DWARF debug info. The default is off.
DWARF debug info. The default is 0 (off).
A value of 1 provides basic information.
A value greater than 1 provides more verbose information.
@item show debug dwarf2-read
Show the current state of DWARF2 reader debugging.
@item set debug displaced

30
gdb/dwarf2read.c
View File

@ -79,9 +79,10 @@
typedef struct symbol *symbolp;
DEF_VEC_P (symbolp);
/* When non-zero, print basic high level tracing messages.
/* When == 1, print basic high level tracing messages.
When > 1, be more verbose.
This is in contrast to the low level DIE reading of dwarf2_die_debug. */
static int dwarf2_read_debug = 0;
static unsigned int dwarf2_read_debug = 0;
/* When non-zero, dump DIEs after they are read in. */
static unsigned int dwarf2_die_debug = 0;
@ -4606,7 +4607,7 @@ create_debug_types_hash_table (struct dwo_file *dwo_file,
}
*slot = dwo_file ? (void *) dwo_tu : (void *) sig_type;
if (dwarf2_read_debug)
if (dwarf2_read_debug > 1)
fprintf_unfiltered (gdb_stdlog, " offset 0x%x, signature %s\n",
offset.sect_off,
hex_string (signature));
@ -7285,6 +7286,7 @@ process_queue (void)
: (item->per_cu->v.psymtab && !item->per_cu->v.psymtab->readin))
{
struct dwarf2_per_cu_data *per_cu = item->per_cu;
unsigned int debug_print_threshold;
char buf[100];
if (per_cu->is_debug_types)
@ -7293,12 +7295,19 @@ process_queue (void)
(struct signatured_type *) per_cu;
sprintf (buf, "TU %s at offset 0x%x",
hex_string (sig_type->signature), per_cu->offset.sect_off);
hex_string (sig_type->signature),
per_cu->offset.sect_off);
/* There can be 100s of TUs.
Only print them in verbose mode. */
debug_print_threshold = 2;
}
else
sprintf (buf, "CU at offset 0x%x", per_cu->offset.sect_off);
{
sprintf (buf, "CU at offset 0x%x", per_cu->offset.sect_off);
debug_print_threshold = 1;
}
if (dwarf2_read_debug)
if (dwarf2_read_debug >= debug_print_threshold)
fprintf_unfiltered (gdb_stdlog, "Expanding symtab of %s\n", buf);
if (per_cu->is_debug_types)
@ -7306,7 +7315,7 @@ process_queue (void)
else
process_full_comp_unit (per_cu, item->pretend_language);
if (dwarf2_read_debug)
if (dwarf2_read_debug >= debug_print_threshold)
fprintf_unfiltered (gdb_stdlog, "Done expanding %s\n", buf);
}
@ -22382,11 +22391,12 @@ conversational style, when possible."),
&set_dwarf2_cmdlist,
&show_dwarf2_cmdlist);
add_setshow_boolean_cmd ("dwarf2-read", no_class, &dwarf2_read_debug, _("\
add_setshow_zuinteger_cmd ("dwarf2-read", no_class, &dwarf2_read_debug, _("\
Set debugging of the dwarf2 reader."), _("\
Show debugging of the dwarf2 reader."), _("\
When enabled, debugging messages are printed during dwarf2 reading\n\
and symtab expansion."),
When enabled (non-zero), debugging messages are printed during dwarf2\n\
reading and symtab expansion. A value of 1 (one) provides basic\n\
information. A value greater than 1 provides more verbose information."),
NULL,
NULL,
&setdebuglist, &showdebuglist);