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More build-id work

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svn path=/trunk/; revision=411
This commit is contained in:
Søren Sandmann Pedersen
2008-04-21 20:12:36 +00:00
parent 90d1fa1de5
commit f49c3b5d2e
4 changed files with 108 additions and 77 deletions
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44
elfparser.c
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@ -642,6 +642,27 @@ elf_parser_get_text_offset (ElfParser *parser)
return parser->text_section->offset;
}
static gchar *
make_hex_string (const guchar *data, int n_bytes)
{
GString *string = g_string_new (NULL);
const char hex_digits[] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f'
};
int i;
for (i = 0; i < n_bytes; ++i)
{
char c = data[i];
g_string_append_c (string, hex_digits[(c & 0xf0) >> 4]);
g_string_append_c (string, hex_digits[(c & 0x0f)]);
}
return g_string_free (string, FALSE);
}
const gchar *
elf_parser_get_build_id (ElfParser *parser)
{
@ -652,11 +673,7 @@ elf_parser_get_build_id (ElfParser *parser)
guint64 desc_size;
guint64 type;
const char *name;
const char *desc;
GString *string;
int i;
const char hex_digits[] = { '0', '1', '2', '3', '4', '5', '6', '7',
'a', 'b', 'c', 'd', 'e', 'f' };
const gchar *desc;
parser->checked_build_id = TRUE;
@ -668,22 +685,15 @@ elf_parser_get_build_id (ElfParser *parser)
name_size = bin_parser_get_uint_field (parser->parser, parser->note_format, "name_size");
desc_size = bin_parser_get_uint_field (parser->parser, parser->note_format, "desc_size");
type = bin_parser_get_uint_field (parser->parser, parser->note_format, "type");
bin_parser_seek_record (parser->parser, parser->note_format, 1);
name = bin_parser_get_string (parser->parser);
bin_parser_align (parser->parser, 4);
desc = bin_parser_get_string (parser->parser);
string = g_string_new (NULL);
for (i = 0; i < desc_size; ++i)
{
g_string_append_c (string, hex_digits[desc[i] & 0xf0]);
g_string_append_c (string, hex_digits[desc[i] & 0x0f]);
}
parser->build_id = g_string_free (string, FALSE);
parser->build_id = make_hex_string (desc, desc_size);
}
return parser->build_id;