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Remove now unused load-address heuristic

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2006-10-08  Soren Sandmann <sandmann@redhat.com>

	* elfparser.c: Remove now unused load-address heuristic

	* comment out debug spew
This commit is contained in:
Soren Sandmann
2006-10-08 18:50:10 +00:00
committed by Søren Sandmann Pedersen
parent a91a19887a
commit 86810e63a5
3 changed files with 31 additions and 48 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-10-08 Soren Sandmann <sandmann@redhat.com>
* elfparser.c: Remove now unused load-address heuristic
* comment out debug spew
2006-10-08 Soren Sandmann <sandmann@redhat.com> 2006-10-08 Soren Sandmann <sandmann@redhat.com>
* elfparser.c (read_symbols): Use "SHT_DYNSYM" for ".dynsym". * elfparser.c (read_symbols): Use "SHT_DYNSYM" for ".dynsym".

3
binfile.c
View File

@ -231,8 +231,9 @@ bin_file_lookup_symbol (BinFile *bin_file,
const ElfSym *sym = elf_parser_lookup_symbol (bin_file->elf, address); const ElfSym *sym = elf_parser_lookup_symbol (bin_file->elf, address);
#if 0
g_print ("lookup in %s\n", bin_file->filename); g_print ("lookup in %s\n", bin_file->filename);
#endif
if (sym) if (sym)
{ {

70
elfparser.c
View File

@ -215,8 +215,10 @@ elf_parser_new (const char *filename,
parser->file = file; parser->file = file;
#if 0
if (!parser->symbols) if (!parser->symbols)
g_print ("at this point %s has no symbols\n", filename); g_print ("at this point %s has no symbols\n", filename);
#endif
return parser; return parser;
} }
@ -462,57 +464,33 @@ read_symbols (ElfParser *parser)
if (symtab && strtab) if (symtab && strtab)
{ {
#if 0
g_print ("found symtab\n"); g_print ("found symtab\n");
#endif
read_table (parser, symtab, strtab); read_table (parser, symtab, strtab);
} }
else if (dynsym && dynstr)
{
#if 0
g_print ("reading from dynstr at offset %d\n", dynstr->offset);
#endif
read_table (parser, dynsym, dynstr);
#if 0
g_print ("read %d symbols\n", parser->n_symbols);
#endif
}
else else
{ {
g_print ("no symtab\n");
if (dynsym && dynstr)
{
g_print ("reading from dynstr at offset %d\n", dynstr->offset);
read_table (parser, dynsym, dynstr);
g_print ("read %d symbols\n", parser->n_symbols);
}
else
{
if (!dynsym)
g_print ("no dynsym\n");
if (!dynstr)
g_print ("no dynstr\n");
/* To make sure parser->symbols is non-NULL */
parser->n_symbols = 0;
parser->symbols = g_new (ElfSym, 1);
}
}
}
/*
* Returns the address that the start of the file would be loaded
* at if the whole file was mapped
*/
static gulong
elf_parser_get_load_address (ElfParser *parser)
{
int i;
gulong load_address = (gulong)-1;
for (i = 0; i < parser->n_sections; ++i)
{
Section *section = parser->sections[i];
if (section->allocated)
{
gulong addr = section->load_address - section->offset;
load_address = MIN (load_address, addr);
}
}
#if 0 #if 0
g_print ("load address: %8p\n", (void *)load_address); if (!dynsym)
g_print ("no dynsym\n");
if (!dynstr)
g_print ("no dynstr\n");
#endif #endif
/* To make sure parser->symbols is non-NULL */
return load_address; parser->n_symbols = 0;
parser->symbols = g_new (ElfSym, 1);
}
} }
static ElfSym * static ElfSym *
@ -553,14 +531,12 @@ const ElfSym *
elf_parser_lookup_symbol (ElfParser *parser, elf_parser_lookup_symbol (ElfParser *parser,
gulong address) gulong address)
{ {
Section *text; const Section *text;
const ElfSym *result; const ElfSym *result;
gsize size; gsize size;
if (!parser->symbols) if (!parser->symbols)
read_symbols (parser); read_symbols (parser);
else
g_print ("has symbols already\n");
if (parser->n_symbols == 0) if (parser->n_symbols == 0)
return NULL; return NULL;