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

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* 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
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@ -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> 2013-11-08 Tom Tromey <tromey@redhat.com>
* configure: Rebuild. * configure: Rebuild.

5
gdb/doc/ChangeLog
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@ -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> 2013-11-08 Doug Evans <dje@google.com>
* gdb.texinfo (Debugging Output): Update text for * gdb.texinfo (Debugging Output): Update text for

4
gdb/doc/gdb.texinfo
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@ -22609,7 +22609,9 @@ Show the current state of DWARF2 DIE debugging.
@item set debug dwarf2-read @item set debug dwarf2-read
@cindex DWARF2 Reading @cindex DWARF2 Reading
Turns on or off display of debugging messages related to 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 @item show debug dwarf2-read
Show the current state of DWARF2 reader debugging. Show the current state of DWARF2 reader debugging.
@item set debug displaced @item set debug displaced

30
gdb/dwarf2read.c
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@ -79,9 +79,10 @@
typedef struct symbol *symbolp; typedef struct symbol *symbolp;
DEF_VEC_P (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. */ 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. */ /* When non-zero, dump DIEs after they are read in. */
static unsigned int dwarf2_die_debug = 0; 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; *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", fprintf_unfiltered (gdb_stdlog, " offset 0x%x, signature %s\n",
offset.sect_off, offset.sect_off,
hex_string (signature)); hex_string (signature));
@ -7285,6 +7286,7 @@ process_queue (void)
: (item->per_cu->v.psymtab && !item->per_cu->v.psymtab->readin)) : (item->per_cu->v.psymtab && !item->per_cu->v.psymtab->readin))
{ {
struct dwarf2_per_cu_data *per_cu = item->per_cu; struct dwarf2_per_cu_data *per_cu = item->per_cu;
unsigned int debug_print_threshold;
char buf[100]; char buf[100];
if (per_cu->is_debug_types) if (per_cu->is_debug_types)
@ -7293,12 +7295,19 @@ process_queue (void)
(struct signatured_type *) per_cu; (struct signatured_type *) per_cu;
sprintf (buf, "TU %s at offset 0x%x", 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 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); fprintf_unfiltered (gdb_stdlog, "Expanding symtab of %s\n", buf);
if (per_cu->is_debug_types) if (per_cu->is_debug_types)
@ -7306,7 +7315,7 @@ process_queue (void)
else else
process_full_comp_unit (per_cu, item->pretend_language); 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); fprintf_unfiltered (gdb_stdlog, "Done expanding %s\n", buf);
} }
@ -22382,11 +22391,12 @@ conversational style, when possible."),
&set_dwarf2_cmdlist, &set_dwarf2_cmdlist,
&show_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."), _("\ Set debugging of the dwarf2 reader."), _("\
Show debugging of the dwarf2 reader."), _("\ Show debugging of the dwarf2 reader."), _("\
When enabled, debugging messages are printed during dwarf2 reading\n\ When enabled (non-zero), debugging messages are printed during dwarf2\n\
and symtab expansion."), reading and symtab expansion. A value of 1 (one) provides basic\n\
information. A value greater than 1 provides more verbose information."),
NULL, NULL,
NULL, NULL,
&setdebuglist, &showdebuglist); &setdebuglist, &showdebuglist);