o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

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

39
src/libmach/cmdline.c
View file

@ -26,11 +26,11 @@ alldigs(char *s)
* attach to arguments in argc, argv
*/
int
attachargs(int argc, char **argv, int omode)
attachargs(int argc, char **argv, int omode, int verbose)
{
int i;
Fhdr *hdr;
char *s;
char *s, *t;
symhdr = nil;
corhdr = nil;
@ -56,9 +56,9 @@ attachargs(int argc, char **argv, int omode)
fprint(2, "crackhdr %s: %r\n", argv[i]);
continue;
}
fprint(2, "%s: %s %s %s\n", argv[i], hdr->aname, hdr->mname, hdr->fname);
if(verbose)
fprint(2, "%s: %s %s %s\n", argv[i], hdr->aname, hdr->mname, hdr->fname);
if(hdr->ftype == FCORE){
fprint(2, "core cmd: %s\n", hdr->cmd);
if(corpid){
fprint(2, "already have corpid %d; ignoring core %s\n", corpid, argv[i]);
uncrackhdr(hdr);
@ -90,10 +90,21 @@ attachargs(int argc, char **argv, int omode)
symfil = s;
}
}
if(corhdr){ /* try from core */
if(corhdr->txtfil != nil){
fprint(2, "core %s: text %s\n", corfil, corhdr->txtfil);
symfil = corhdr->txtfil;
if(corhdr && corhdr->cmdline){ /* try from core */
/*
* prog gives only the basename of the command,
* so try the command line for a path.
*/
if((s = strdup(corhdr->cmdline)) != nil){
t = strchr(s, ' ');
if(t)
*t = 0;
if((t = searchpath(s)) != nil){
if(verbose)
fprint(2, "core: text %s\n", t);
symfil = t;
}
free(s);
}
}
if((symhdr = crackhdr(symfil, omode)) == nil){
@ -124,10 +135,10 @@ attachargs(int argc, char **argv, int omode)
if(corpid)
attachproc(corpid);
if(corhdr)
attachcore(corhdr);
attachdynamic(verbose);
return 0;
}
@ -167,7 +178,7 @@ int
attachcore(Fhdr *hdr)
{
unattach();
if(corhdr == nil)
if(hdr == nil)
return 0;
if(mapfile(hdr, 0, cormap, &correg) < 0){
fprint(2, "attachcore %s: %r\n", hdr->filename);
@ -180,10 +191,12 @@ attachcore(Fhdr *hdr)
}
int
attachdynamic(void)
attachdynamic(int verbose)
{
extern void elfdl386mapdl(void);
elfdl386mapdl();
extern void elfdl386mapdl(int);
if(mach && mach->type == M386 && symhdr && symhdr->elf)
elfdl386mapdl(verbose);
return 0;
}