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better disk profiling

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This commit is contained in:
Søren Sandmann Pedersen
2004-04-29 17:29:09 +00:00
parent 7e5c6cbca4
commit 649512d961
5 changed files with 208 additions and 43 deletions
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31
process.c
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@ -22,6 +22,7 @@ struct Map
char * filename;
gulong start;
gulong end;
gulong offset;
gboolean do_offset;
BinFile * bin_file;
@ -97,10 +98,12 @@ read_maps (int pid)
int count;
guint start;
guint end;
guint offset;
count = sscanf (
buffer, "%x-%x %*15s %*x %*u:%*u %*u %255s", &start, &end, file);
if (count == 3)
buffer, "%x-%x %*15s %x %*u:%*u %*u %255s",
&start, &end, &offset, file);
if (count == 4)
{
Map *map;
@ -110,7 +113,7 @@ read_maps (int pid)
map->start = start;
map->end = end;
map->do_offset = check_do_offset (map, pid);
map->offset = offset; //check_do_offset (map, pid);
map->bin_file = NULL;
@ -257,6 +260,8 @@ process_lookup_symbol (Process *process, gulong address)
static Symbol undefined;
const Symbol *result;
Map *map = process_locate_map (process, address);
/* g_print ("addr: %x\n", address); */
if (!map)
{
@ -268,9 +273,11 @@ process_lookup_symbol (Process *process, gulong address)
return &undefined;
}
/* if (map->do_offset)
address -= map->start;
*/
/* if (map->do_offset) */
/* address -= map->start; */
address -= map->start;
address += map->offset;
if (!map->bin_file)
map->bin_file = bin_file_new (map->filename);
@ -278,10 +285,18 @@ process_lookup_symbol (Process *process, gulong address)
/* FIXME - this seems to work with prelinked binaries, but is
* it correct? IE., will normal binaries always have a preferred_addres of 0?
*/
address -= map->start;
address += bin_file_get_load_address (map->bin_file);
/* address = address - map->start + map->offset + bin_file_get_load_address (map->bin_file); */
/* address -= map->start; */
/* address += map->offset; */
/* address += bin_file_get_load_address (map->bin_file); */
/* g_print ("%s: start: %p, load: %p\n", */
/* map->filename, map->start, bin_file_get_load_address (map->bin_file)); */
result = bin_file_lookup_symbol (map->bin_file, address);
/* g_print ("(%x) %x %x name; %s\n", address, map->start, map->offset, result->name); */
return result;
}