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Add commented out code to reject callback.

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2008-02-17  Soren Sandmann  <sandmann@redhat.com>

	* collector.c (lookup_symbol): Add commented out code to reject
	callback.

	* elfparser.c (struct ElfParser): Store the filename if any
	(elf_parser_get_sym_address): Subtract the load address, so the
	result will be an offset into the text section.

	* process.[ch] (process_lookup_symbol): Add an offset out-argument
	
	* binfile.[ch] (bin_symbol_get_address): New function

	* TODO: updates



svn path=/trunk/; revision=397
This commit is contained in:
Soren Sandmann
2008-02-17 23:31:19 +00:00
committed by Søren Sandmann Pedersen
parent 9d2f7a1a9d
commit b98db05f9b
8 changed files with 100 additions and 18 deletions
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36
elfparser.c
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@ -57,6 +57,8 @@ struct ElfParser
gsize sym_strings;
GMappedFile * file;
char * filename;
const Section * text_section;
};
@ -213,6 +215,8 @@ elf_parser_new_from_data (const guchar *data,
parser->text_section = find_section (parser, ".text", SHT_PROGBITS);
if (!parser->text_section)
parser->text_section = find_section (parser, ".text", SHT_NOBITS);
parser->filename = NULL;
return parser;
}
@ -252,6 +256,8 @@ elf_parser_new (const char *filename,
g_mapped_file_free (file);
return NULL;
}
parser->filename = g_strdup (filename);
parser->file = file;
@ -356,6 +362,9 @@ elf_parser_free (ElfParser *parser)
g_free (parser->symbols);
bin_parser_free (parser->parser);
if (parser->filename)
g_free (parser->filename);
g_free (parser);
}
@ -461,18 +470,16 @@ read_table (ElfParser *parser,
n_functions++;
#if 0
g_print ("symbol: %s: %d\n", get_string_indirect (parser->parser,
g_print (" symbol: %s: %lx\n", get_string_indirect (parser->parser,
parser->sym_format, "st_name",
str_table->offset), addr);
#endif
#if 0
g_print (" sym %d in %p (info: %d:%d) (func:global %d:%d)\n", addr, parser, info & 0xf, info >> 4, STT_FUNC, STB_GLOBAL);
str_table->offset), addr - parser->text_section->load_address);
g_print (" sym %d in %p (info: %d:%d) (func:global %d:%d)\n", addr, parser, info & 0xf, info >> 4, STT_FUNC, STB_GLOBAL);
#endif
}
else if (addr != 0)
{
#if 0
g_print (" rejecting %d in %p (info: %d:%d) (func:global %d:%d)\n", addr, parser, info & 0xf, info >> 4, STT_FUNC, STB_GLOBAL);
g_print (" rejecting %d in %p (info: %d:%d) (func:global %d:%d)\n", addr, parser, info & 0xf, info >> 4, STT_FUNC, STB_GLOBAL);
#endif
}
@ -496,10 +503,16 @@ read_symbols (ElfParser *parser)
if (symtab && strtab)
{
#if 0
g_print ("reading symbol table of %s\n", parser->filename);
#endif
read_table (parser, symtab, strtab);
}
else if (dynsym && dynstr)
{
#if 0
g_print ("reading dynamic symbol table of %s\n", parser->filename);
#endif
read_table (parser, dynsym, dynstr);
}
else
@ -565,7 +578,7 @@ elf_parser_lookup_symbol (ElfParser *parser,
return NULL;
address += parser->text_section->load_address;
#if 0
g_print ("elf: the address we are looking up is %p\n", address);
#endif
@ -596,6 +609,13 @@ elf_parser_lookup_symbol (ElfParser *parser,
result = NULL;
}
if (result)
{
/* Reject the symbols if the address is outside the text section */
if (address > parser->text_section->load_address + parser->text_section->size)
result = NULL;
}
return result;
}
@ -662,7 +682,7 @@ gulong
elf_parser_get_sym_address (ElfParser *parser,
const ElfSym *sym)
{
return sym->address;
return sym->address - parser->text_section->load_address;
}
/*