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Remove old commented out code
2006-08-27 Soren Sandmann <sandmann@redhat.com> * binparser.c: Remove old commented out code 2006-08-27 Soren Sandmann <sandmann@redhat.com> * module/Makefile ($(MODULE).o): Add dependency on sysprof-module.h * elfparser.c (elf_parser_get_eh_frame): Add this function. Remove some commented out code.
This commit is contained in:
Soren Sandmann
committed by
Søren Sandmann Pedersen
Søren Sandmann Pedersen
parent
2c04f6e200
commit
b7cf5d34b8
216
binparser.c
216
binparser.c
@ -173,6 +173,9 @@ convert_uint (const guchar *data,
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guint16 r16;
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guint32 r32;
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guint64 r64;
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if (width == 4)
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g_print ("converting at %p %d %d %d %d\n", data, data[0], data[1], data[2], data[3]);
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switch (width)
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{
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@ -378,12 +381,18 @@ bin_record_get_uint (BinRecord *record,
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field = get_field (record->format, name);
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pos = record->parser->data + record->offset + field->offset;
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g_print (" record offset: %d\n", record->offset);
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g_print (" record index: %d\n", record->index);
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g_print (" field offset %d\n", field->offset);
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if (record->offset + field->offset + field->width > record->parser->length)
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{
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/* FIXME: generate error */
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return 0;
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}
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g_print (" uint %d at %p => %d\n", field->width, pos, convert_uint (pos, record->format->big_endian, field->width));
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return convert_uint (pos, record->format->big_endian, field->width);
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}
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@ -415,210 +424,3 @@ bin_field_new_fixed_array (int n_elements,
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field->align = element_size;
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return field;
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}
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#if 0
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#include <elf.h>
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static gboolean
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find_elf_type (const guchar *data, gsize length,
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gboolean *is_64, gboolean *is_be)
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{
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/* FIXME: this function should be able to return an error */
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if (length < EI_NIDENT)
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return FALSE;
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/* 32 or 64? */
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switch (data[EI_CLASS])
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{
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case ELFCLASS32:
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*is_64 = FALSE;
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break;
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case ELFCLASS64:
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*is_64 = TRUE;
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break;
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default:
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/* return ERROR */
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return FALSE;
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break;
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}
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/* big or little endian? */
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switch (data[EI_DATA])
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{
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case ELFDATA2LSB:
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*is_be = FALSE;
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break;
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case ELFDATA2MSB:
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*is_be = TRUE;
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break;
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default:
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/* return Error */
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return FALSE;
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break;
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}
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g_print ("This elf file is %s %s\n",
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*is_64? "64 bit" : "32 bit",
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*is_be? "big endiann" : "little endian");
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return TRUE;
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}
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void
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parse_elf (const guchar *data,
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gsize length)
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{
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gboolean is_64, is_big_endian;
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BinFormat *elf_header;
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BinFormat *shn_entry;
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const guchar *section_header;
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BinParser *parser;
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BinParser *sh_parser;
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BinFormat *sym;
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int i;
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find_elf_type (data, length, &is_64, &is_big_endian);
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elf_header = bin_format_new (
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is_big_endian,
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"e_ident", bin_field_new_fixed_array (EI_NIDENT, 1),
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"e_type", bin_field_new_uint16 (),
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"e_machine", bin_field_new_uint16 (),
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"e_version", bin_field_new_uint32 (),
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"e_entry", make_word (is_64),
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"e_phoff", make_word (is_64),
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"e_shoff", make_word (is_64),
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"e_flags", make_uint32 (),
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"e_ehsize", make_uint16(),
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"e_phentsize", make_uint16 (),
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"e_phnum", make_uint16 (),
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"e_shentsize", make_uint16 (),
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"e_shnum", make_uint16 (),
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"e_shstrndx", make_uint16 (),
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NULL);
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shn_entry = bin_format_new (
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is_big_endian,
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"sh_name", make_uint32(),
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"sh_type", make_uint32(),
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"sh_flags", make_word (is_64),
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"sh_addr", make_word (is_64),
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"sh_offset", make_word (is_64),
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"sh_size", make_word (is_64),
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"sh_link", make_uint32(),
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"sh_info", make_uint32(),
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"sh_addralign", make_word (is_64),
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"sh_entsize", make_word (is_64),
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NULL);
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if (is_64)
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{
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sym = bin_format_new (
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is_big_endian,
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"st_name", make_uint32(),
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"st_info", make_uint8 (),
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"st_other", make_uint8 (),
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"st_shndx", make_uint16 (),
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"st_value", make_uint64 (),
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"st_size", make_uint64 (),
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NULL);
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}
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else
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{
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sym = bin_format_new (
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is_big_endian,
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"st_name", make_uint32 (),
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"st_value", make_uint32 (),
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"st_size", make_uint32 (),
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"st_info", make_uint8 (),
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"st_other", make_uint8 (),
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"st_shndx", make_uint16 ());
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}
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parser = bin_parser_new (elf_header, data, length);
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section_header = data + bin_parser_get_uint (parser, "e_shoff");
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#if 0
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g_print ("section header offset: %u\n",
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section_header - data);
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g_print ("There are %llu sections\n",
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bin_parser_get_uint (parser, "e_shnum"));
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#endif
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/* should think through how to deal with offsets, and whether parsers
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* are always considered parsers of an array. If yes, then it
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* may be reasonable to just pass the length of the array.
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*
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* Hmm, although the parser still needs to know the end of the data.
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* Maybe create yet another structure, a subparser, that also contains
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* an offset in addition to the beginning and length.
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*
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* Ie., bin_sub_parser_new (parser, section_header, shn_entry, n_headers);
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*
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* In that case, it might be interesting to merge format and parser,
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* and just call it 'file' or something, then call the subparser "parser"
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*
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* Also, how do we deal with strings?
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*
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* "asdf", make_string()?
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*
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*/
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sh_parser = bin_parser_new (shn_entry, section_header, (guint)-1);
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for (i = 0; i < bin_parser_get_uint (parser, "e_shnum"); ++i)
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{
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#if 0
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bin_parser_set_index (sh_parser, i);
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#endif
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#if 0
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bin_parser_get_uint
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parser, data + i * bin_format_length (shn_entry));
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section_header =
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data + bin_parser_get_uint (parser, "e_shoff");
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parser = bin_parser_new (
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#endif
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}
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#if 0
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bin_format_array_get_string (shn_table, data, "sh_name");
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bin_format_array_get_uint (shn_table, data, "sh_addr");
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#endif
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}
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static void
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disaster (const char *str)
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{
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g_printerr ("%s\n", str);
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exit (-1);
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}
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int
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main ()
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{
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GMappedFile *libgtk;
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libgtk = g_mapped_file_new ("/usr/lib/libgtk-x11-2.0.so", FALSE, NULL);
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if (!libgtk)
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disaster ("Could not map the file\n");
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parse_elf ((const guchar *)g_mapped_file_get_contents (libgtk),
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g_mapped_file_get_length (libgtk));
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return 0 ;
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}
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#endif
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