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Compactify unload_symbols().

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4403
This commit is contained in:
Nicholas Nethercote 2005-08-14 04:29:12 +00:00
parent af90765263
commit 81903d273f
1 changed files with 19 additions and 27 deletions
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46
coregrind/m_debuginfo/symtab.c
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@ -1703,36 +1703,28 @@ SegInfo *VG_(read_seg_symbols) ( Addr seg_addr, SizeT seg_len,
*/
static void unload_symbols ( Addr start, SizeT length )
{
SegInfo *prev, *curr;
SegInfo** prev_next_ptr = &segInfo_list;
SegInfo* curr = segInfo_list;
prev = NULL;
curr = segInfo_list;
while (True) {
if (curr == NULL) break;
if (start == curr->start) break;
prev = curr;
curr = curr->next;
}
if (curr == NULL) {
VGP_POPCC(VgpReadSyms);
return;
while (curr) {
if (start == curr->start) {
// Found it; remove from list and free it.
if (VG_(clo_verbosity) > 1)
VG_(message)(Vg_DebugMsg,
"discard syms at %p-%p in %s due to munmap()",
start, start+length,
curr->filename ? curr->filename : (Char *)"???");
vg_assert(*prev_next_ptr == curr);
*prev_next_ptr = curr->next;
freeSegInfo(curr);
return;
}
prev_next_ptr = &curr->next;
curr = curr->next;
}
if (VG_(clo_verbosity) > 1)
VG_(message)(Vg_DebugMsg,
"discard syms at %p-%p in %s due to munmap()",
start, start+length, curr->filename ? curr->filename : (Char *)"???");
vg_assert(prev == NULL || prev->next == curr);
if (prev == NULL) {
segInfo_list = curr->next;
} else {
prev->next = curr->next;
}
freeSegInfo(curr);
return;
// Not found.
VGP_POPCC(VgpReadSyms);
}
void VG_(seginfo_decref)(SegInfo *si, Addr start)