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* inf-ptrace.c: Include "gdbthread.h".

Browse Source 
(inf_ptrace_attach): Add the main thread here.
	* linux-nat.c (linux_nat_attach): Don't add the main thread here.
	Decorate the main thread id with the lwp id.
This commit is contained in:
Pedro Alves
2008-09-08 21:25:05 +00:00
parent 27c9d2043e
commit af99052775
3 changed files with 20 additions and 6 deletions

7
gdb/ChangeLog

@ -1,3 +1,10 @@
2008-09-08 Pedro Alves <pedro@codesourcery.com>
* inf-ptrace.c: Include "gdbthread.h".
(inf_ptrace_attach): Add the main thread here.
* linux-nat.c (linux_nat_attach): Don't add the main thread here.
Decorate the main thread id with the lwp id.
2008-09-08 Pedro Alves <pedro@codesourcery.com> 2008-09-08 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (linux_nat_wait): Update inferior_ptid's ptid with * linux-nat.c (linux_nat_wait): Update inferior_ptid's ptid with

6
gdb/inf-ptrace.c

@ -33,6 +33,7 @@
#include <signal.h> #include <signal.h>
#include "inf-child.h" #include "inf-child.h"
#include "gdbthread.h"
/* HACK: Save the ptrace ops returned by inf_ptrace_target. */ /* HACK: Save the ptrace ops returned by inf_ptrace_target. */
static struct target_ops *ptrace_ops_hack; static struct target_ops *ptrace_ops_hack;
@ -218,6 +219,11 @@ inf_ptrace_attach (char *args, int from_tty)
#endif #endif
inferior_ptid = pid_to_ptid (pid); inferior_ptid = pid_to_ptid (pid);
/* Always add a main thread. If some target extends the ptrace
target, it should decorate the ptid later with more info. */
add_thread_silent (inferior_ptid);
push_target (ptrace_ops_hack); push_target (ptrace_ops_hack);
} }

13
gdb/linux-nat.c

@ -1345,6 +1345,7 @@ linux_nat_attach (char *args, int from_tty)
{ {
struct lwp_info *lp; struct lwp_info *lp;
int status; int status;
ptid_t ptid;
/* FIXME: We should probably accept a list of process id's, and /* FIXME: We should probably accept a list of process id's, and
attach all of them. */ attach all of them. */
@ -1359,18 +1360,18 @@ linux_nat_attach (char *args, int from_tty)
sigdelset (&suspend_mask, SIGCHLD); sigdelset (&suspend_mask, SIGCHLD);
} }
/* The ptrace base target adds the main thread with (pid,0,0)
format. Decorate it with lwp info. */
ptid = BUILD_LWP (GET_PID (inferior_ptid), GET_PID (inferior_ptid));
thread_change_ptid (inferior_ptid, ptid);
/* Add the initial process as the first LWP to the list. */ /* Add the initial process as the first LWP to the list. */
inferior_ptid = BUILD_LWP (GET_PID (inferior_ptid), GET_PID (inferior_ptid)); lp = add_lwp (ptid);
lp = add_lwp (inferior_ptid);
status = linux_nat_post_attach_wait (lp->ptid, 1, &lp->cloned, status = linux_nat_post_attach_wait (lp->ptid, 1, &lp->cloned,
&lp->signalled); &lp->signalled);
lp->stopped = 1; lp->stopped = 1;
/* If this process is not using thread_db, then we still don't
detect any other threads, but add at least this one. */
add_thread_silent (lp->ptid);
/* Save the wait status to report later. */ /* Save the wait status to report later. */
lp->resumed = 1; lp->resumed = 1;
if (debug_linux_nat) if (debug_linux_nat)