diff options
Diffstat (limited to 'src/cmd/db/setup.c')
| -rw-r--r-- | src/cmd/db/setup.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/cmd/db/setup.c b/src/cmd/db/setup.c index e2488b61..7fec6437 100644 --- a/src/cmd/db/setup.c +++ b/src/cmd/db/setup.c @@ -27,18 +27,29 @@ setsym(void) void setcor(void) { - unmapproc(cormap); - unmapfile(corhdr, cormap); - free(correg); - correg = nil; + static int mapped; - if (pid > 0) { - if (mapproc(pid, cormap, &correg) < 0) - dprint("mapproc %d: %r\n", pid); - } else { - if (corhdr) { + if (corhdr) { + if (!mapped) { if (mapfile(corhdr, 0, cormap, &correg) < 0) dprint("mapfile %s: %r\n", corfil); + mapped = 1; + } + free(correg); + if (pid == 0 && corhdr->nthread > 0) + pid = corhdr->thread[0].id; + correg = coreregs(corhdr, pid); + if(correg == nil) + dprint("no such pid in core dump\n"); + } else { + unmapproc(cormap); + unmapfile(corhdr, cormap); + free(correg); + correg = nil; + + if (pid > 0) { + if (mapproc(pid, cormap, &correg) < 0) + dprint("mapproc %d: %r\n", pid); } else dprint("no core image\n"); } @@ -137,7 +148,7 @@ void attachprocess(void) { if (!adrflg) { - dprint("used pid$a\n"); + dprint("usage: pid$a\n"); return; } pid = adrval; |