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Start working through proper handling of pthreads when

Browse source 
debugging Linux core dumps.  Pthreads for active processes
is still not supported, nor are other systems.
This commit is contained in:
rsc 2005-01-23 22:33:04 +00:00
parent a0e8d02d09
commit dd944ec72a
14 changed files with 528 additions and 415 deletions
Download patch file Download diff file Expand all files Collapse all files

43
src/libmach/elfdl386.c
View file

@ -86,14 +86,13 @@ dyninfo(Fhdr *hdr, int x)
}
void
elfdl386mapdl(void)
elfdl386mapdl(int verbose)
{
int i;
Fhdr *hdr;
u32int linkdebug, linkmap, name, addr;
char buf[1024];
print("elfdl386mapdl\n");
if((linkdebug = dyninfo(symhdr, DT_DEBUG)) == 0){
fprint(2, "no dt_debug section\n");
return;
@ -109,25 +108,27 @@ print("elfdl386mapdl\n");
|| get4(cormap, linkmap+12, &linkmap) < 0)
break;
if(name
&& getstr(cormap, name, buf, sizeof buf) >= 0
&& buf[0]
&& access(buf, AEXIST) >= 0){
if((hdr = crackhdr(buf, OREAD)) == nil)
fprint(2, "crackhdr %s: %r\n", buf);
else{
fprint(2, "%s: %s %s %s\n", buf, hdr->aname, hdr->mname, hdr->fname);
hdr->base = addr;
if(mapfile(hdr, addr, symmap, nil) < 0)
fprint(2, "mapfile %s: %r\n", buf);
if(corhdr){
unmapfile(corhdr, cormap);
mapfile(hdr, addr, cormap, nil);
}
if(symopen(hdr) < 0)
fprint(2, "syminit %s: %\r", buf);
}
}
if(name == 0 || getstr(cormap, name, buf, sizeof buf) < 0 || buf[0] == 0)
continue;
if((hdr = crackhdr(buf, OREAD)) == nil){
fprint(2, "crackhdr %s: %r\n", buf);
continue;
}
hdr->base = addr;
if(verbose)
fprint(2, "%s: %s %s %s\n", buf, hdr->aname, hdr->mname, hdr->fname);
if(mapfile(hdr, addr, symmap, nil) < 0)
fprint(2, "mapping %s: %r\n", buf);
if(corhdr){
/*
* Need to map the text file under the core file.
*/
unmapfile(corhdr, cormap);
mapfile(hdr, addr, cormap, nil);
mapfile(corhdr, 0, cormap, nil);
}
if(symopen(hdr) < 0)
fprint(2, "syminit %s: %r\n", buf);
}
}