Add pretty-printing of .debug_gnu_pubnames, .debug_gnu_pubtypes.

* dwarf.c (get_gdb_index_symbol_kind_name): New function.
	(display_debug_pubnames_worker): Renamed from display_debug_pubnames.
	Add support for .debug_gnu_pubnames, .debug_gnu_pubtypes.
	(display_debug_pubnames, display_debug_pubnames_gnu): New functions.
	(display_gdb_index): Redo printing of symbol kind.
	(debug_displays): Add .debug_gnu_pubnames, .debug_gnu_pubtypes.
	* dwarf.h (dwarf_section_display_enum): Add gnu_pubnames, gnu_pubtypes.
	* readelf.c (process_section_headers): Add gnu_pubnames, gnu_pubtypes.
This commit is contained in:
Doug Evans 2013-11-07 14:58:41 -08:00
parent fcb8d9c2f4
commit 459d52c84a
4 changed files with 86 additions and 36 deletions

View File

@ -1,3 +1,15 @@
2013-11-07 Doug Evans <dje@google.com>
Add pretty-printing of .debug_gnu_pubnames, .debug_gnu_pubtypes.
* dwarf.c (get_gdb_index_symbol_kind_name): New function.
(display_debug_pubnames_worker): Renamed from display_debug_pubnames.
Add support for .debug_gnu_pubnames, .debug_gnu_pubtypes.
(display_debug_pubnames, display_debug_pubnames_gnu): New functions.
(display_gdb_index): Redo printing of symbol kind.
(debug_displays): Add .debug_gnu_pubnames, .debug_gnu_pubtypes.
* dwarf.h (dwarf_section_display_enum): Add gnu_pubnames, gnu_pubtypes.
* readelf.c (process_section_headers): Add gnu_pubnames, gnu_pubtypes.
2013-11-07 Roland McGrath <mcgrathr@google.com>
* objdump.c (dump_dwarf): Grok bfd_mach_x86_64_nacl and

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@ -3507,9 +3507,29 @@ find_debug_info_for_offset (unsigned long offset)
return NULL;
}
static const char *
get_gdb_index_symbol_kind_name (gdb_index_symbol_kind kind)
{
/* See gdb/gdb-index.h. */
static const char * const kinds[] =
{
N_ ("no info"),
N_ ("type"),
N_ ("variable"),
N_ ("function"),
N_ ("other"),
N_ ("unused5"),
N_ ("unused6"),
N_ ("unused7")
};
return _ (kinds[kind]);
}
static int
display_debug_pubnames (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
display_debug_pubnames_worker (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED,
int is_gnu)
{
DWARF2_Internal_PubNames names;
unsigned char *start = section->start;
@ -3577,7 +3597,10 @@ display_debug_pubnames (struct dwarf_section *section,
printf (_(" Size of area in .debug_info section: %ld\n"),
(long) names.pn_size);
printf (_("\n Offset\tName\n"));
if (is_gnu)
printf (_("\n Offset Kind Name\n"));
else
printf (_("\n Offset\tName\n"));
do
{
@ -3586,7 +3609,29 @@ display_debug_pubnames (struct dwarf_section *section,
if (offset != 0)
{
data += offset_size;
printf (" %-6lx\t%s\n", offset, data);
if (is_gnu)
{
unsigned int kind_data;
gdb_index_symbol_kind kind;
const char *kind_name;
int is_static;
SAFE_BYTE_GET (kind_data, data, 1, end);
data++;
/* GCC computes the kind as the upper byte in the CU index
word, and then right shifts it by the CU index size.
Left shift KIND to where the gdb-index.h accessor macros
can use it. */
kind_data <<= GDB_INDEX_CU_BITSIZE;
kind = GDB_INDEX_SYMBOL_KIND_VALUE (kind_data);
kind_name = get_gdb_index_symbol_kind_name (kind);
is_static = GDB_INDEX_SYMBOL_STATIC_VALUE (kind_data);
printf (" %-6lx %s,%-10s %s\n",
offset, is_static ? _("s") : _("g"),
kind_name, data);
}
else
printf (" %-6lx\t%s\n", offset, data);
data += strnlen ((char *) data, end - data) + 1;
}
}
@ -3597,6 +3642,18 @@ display_debug_pubnames (struct dwarf_section *section,
return 1;
}
static int
display_debug_pubnames (struct dwarf_section *section, void *file)
{
return display_debug_pubnames_worker (section, file, 0);
}
static int
display_debug_gnu_pubnames (struct dwarf_section *section, void *file)
{
return display_debug_pubnames_worker (section, file, 1);
}
static int
display_debug_macinfo (struct dwarf_section *section,
void *file ATTRIBUTE_UNUSED)
@ -6141,38 +6198,9 @@ display_gdb_index (struct dwarf_section *section,
else
printf ("%c%lu", num_cus > 1 ? '\t' : ' ', (unsigned long) cu);
switch (kind)
{
case GDB_INDEX_SYMBOL_KIND_NONE:
printf (_(" [no symbol information]"));
break;
case GDB_INDEX_SYMBOL_KIND_TYPE:
printf (is_static
? _(" [static type]")
: _(" [global type]"));
break;
case GDB_INDEX_SYMBOL_KIND_VARIABLE:
printf (is_static
? _(" [static variable]")
: _(" [global variable]"));
break;
case GDB_INDEX_SYMBOL_KIND_FUNCTION:
printf (is_static
? _(" [static function]")
: _(" [global function]"));
break;
case GDB_INDEX_SYMBOL_KIND_OTHER:
printf (is_static
? _(" [static other]")
: _(" [global other]"));
break;
default:
printf (is_static
? _(" [static unknown: %d]")
: _(" [global unknown: %d]"),
kind);
break;
}
printf (" [%s, %s]",
is_static ? _("static") : _("global"),
get_gdb_index_symbol_kind_name (kind));
if (num_cus > 1)
printf ("\n");
}
@ -6796,6 +6824,8 @@ struct dwarf_section_display debug_displays[] =
display_debug_lines, &do_debug_lines, 1 },
{ { ".debug_pubnames", ".zdebug_pubnames", NULL, NULL, 0, 0, 0 },
display_debug_pubnames, &do_debug_pubnames, 0 },
{ { ".debug_gnu_pubnames", ".zdebug_gnu_pubnames", NULL, NULL, 0, 0, 0 },
display_debug_gnu_pubnames, &do_debug_pubnames, 0 },
{ { ".eh_frame", "", NULL, NULL, 0, 0, 0 },
display_debug_frames, &do_debug_frames, 1 },
{ { ".debug_macinfo", ".zdebug_macinfo", NULL, NULL, 0, 0, 0 },
@ -6808,6 +6838,8 @@ struct dwarf_section_display debug_displays[] =
display_debug_loc, &do_debug_loc, 1 },
{ { ".debug_pubtypes", ".zdebug_pubtypes", NULL, NULL, 0, 0, 0 },
display_debug_pubnames, &do_debug_pubtypes, 0 },
{ { ".debug_gnu_pubtypes", ".zdebug_gnu_pubtypes", NULL, NULL, 0, 0, 0 },
display_debug_gnu_pubnames, &do_debug_pubtypes, 0 },
{ { ".debug_ranges", ".zdebug_ranges", NULL, NULL, 0, 0, 0 },
display_debug_ranges, &do_debug_ranges, 1 },
{ { ".debug_static_func", ".zdebug_static_func", NULL, NULL, 0, 0, 0 },

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@ -108,6 +108,8 @@ typedef struct
}
DWARF2_Internal_ARange;
/* N.B. The order here must match the order in debug_displays. */
enum dwarf_section_display_enum
{
abbrev = 0,
@ -116,12 +118,14 @@ enum dwarf_section_display_enum
info,
line,
pubnames,
gnu_pubnames,
eh_frame,
macinfo,
macro,
str,
loc,
pubtypes,
gnu_pubtypes,
ranges,
static_func,
static_vars,

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@ -4919,6 +4919,8 @@ process_section_headers (FILE * file)
|| (do_debug_lines && const_strneq (name, "line."))
|| (do_debug_pubnames && const_strneq (name, "pubnames"))
|| (do_debug_pubtypes && const_strneq (name, "pubtypes"))
|| (do_debug_pubnames && const_strneq (name, "gnu_pubnames"))
|| (do_debug_pubtypes && const_strneq (name, "gnu_pubtypes"))
|| (do_debug_aranges && const_strneq (name, "aranges"))
|| (do_debug_ranges && const_strneq (name, "ranges"))
|| (do_debug_frames && const_strneq (name, "frame"))