Attachment 28724 Details for Bug 48183 – file.diff

[patch] file.diff

file.diff (text/plain), 4.20 KB, created by Peter Edwards on 2003-02-11 19:10:09 UTC

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Creator: Peter Edwards

Created: 2003-02-11 19:10:09 UTC

Size: 4.20 KB

patch

obsolete

>Index: freebsd-uthread.c
>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>RCS file:
>/pub/FreeBSD/development/FreeBSD-CVS/src/gnu/usr.bin/binutils/gdb/freebsd
>-uthread.c,v
>retrieving revision 1.10
>diff -u -r1.10 freebsd-uthread.c
>--- freebsd-uthread.c	4 Jan 2003 17:35:54 -0000	1.10
>+++ freebsd-uthread.c	7 Feb 2003 12:34:19 -0000
>@@ -46,6 +46,10 @@
> #include <sys/stat.h>
> #include "gdbcore.h"
>=20
>+int coreops_suppress_target =3D 1; /* Ugh. Override the version in
>corelow.c. */
>+extern struct target_ops core_ops;	/* target vector for corelow.c */
>+static struct target_ops orig_core_ops;	/* target vector for corelow.c */
>+
> extern int child_suppress_run;
> extern struct target_ops child_ops; /* target vector for inftarg.c */
>=20
>@@ -60,6 +64,7 @@
>=20
> /* Pointer to the next function on the objfile event chain.  */
> static void (*target_new_objfile_chain) (struct objfile *objfile);
>+static void freebsd_uthread_find_new_threads (void);
>=20
> static void freebsd_uthread_resume PARAMS ((ptid_t pid, int step,
> 					enum target_signal signo));
>@@ -472,7 +477,10 @@
>=20
>   if (freebsd_uthread_attaching || TIDGET(inferior_ptid) =3D=3D 0)
>     {
>-      child_ops.to_fetch_registers (regno);
>+      if (target_has_execution)
>+	child_ops.to_fetch_registers (regno);
>+      else
>+	orig_core_ops.to_fetch_registers (regno);
>       return;
>     }
>=20
>@@ -481,7 +489,10 @@
>=20
>   if (active)
>     {
>-      child_ops.to_fetch_registers (regno);
>+      if (target_has_execution)
>+	child_ops.to_fetch_registers (regno);
>+      else
>+	orig_core_ops.to_fetch_registers (regno);
>       return;
>     }
>=20
>@@ -501,8 +512,12 @@
>=20
>   for (regno =3D first_regno; regno <=3D last_regno; regno++)
>     {
>-      if (regmap[regno] =3D=3D -1)
>-	child_ops.to_fetch_registers (regno);
>+      if (regmap[regno] =3D=3D -1) {
>+	if (target_has_execution)
>+	  child_ops.to_fetch_registers (regno);
>+	else
>+	  orig_core_ops.to_fetch_registers (regno);
>+      }
>       else
> 	if (thread)
> 	  supply_register (regno, (char*) &regbase[regmap[regno]]);
>@@ -683,6 +698,11 @@
>   LOOKUP_VALUE(PS_RUNNING);
>   LOOKUP_VALUE(PS_DEAD);
>=20
>+  if (!target_has_execution) {
>+    read_thread_offsets();
>+    freebsd_uthread_find_new_threads();
>+  }
>+
>   freebsd_uthread_active =3D 1;
> }
>=20
>@@ -731,6 +751,27 @@
>   return ret;
> }
>=20
>+static int
>+freebsd_utcore_thread_alive (ptid_t ptid)
>+{
>+    return 1;
>+}
>+
>+static void
>+freebsd_utcore_attach (char *args, int from_tty)
>+{
>+  orig_core_ops.to_attach (args, from_tty);
>+  push_target (&core_ops);
>+  freebsd_uthread_attaching =3D 1;
>+}
>+
>+static void
>+freebsd_utcore_detach (char *args, int from_tty)
>+{
>+  unpush_target (&core_ops);
>+  orig_core_ops.to_detach (args, from_tty);
>+}
>+
> static void
> freebsd_uthread_stop (void)
> {
>@@ -874,12 +915,41 @@
>   freebsd_uthread_vec.get_thread_info =3D freebsd_uthread_get_thread_info;
> #endif
> }
>+=0C
>+
>+
>+static void
>+init_freebsd_core_ops ()
>+{
>+  orig_core_ops =3D core_ops;
>+  core_ops.to_shortname =3D "freebsd-uthreads (corefile)";
>+  core_ops.to_longname =3D "FreeBSD uthreads (corefile)";
>+  core_ops.to_doc =3D "FreeBSD user threads support (for corefiles).";
>+  core_ops.to_has_all_memory =3D 0;
>+  core_ops.to_has_memory =3D 1;
>+  core_ops.to_has_stack =3D 1;
>+  core_ops.to_has_registers =3D 1;
>+  core_ops.to_has_execution =3D 0;
>+  core_ops.to_has_thread_control =3D tc_none;
>+  core_ops.to_magic =3D OPS_MAGIC;
>+  core_ops.to_pid_to_str =3D freebsd_uthread_pid_to_str;
>+  core_ops.to_thread_alive =3D freebsd_utcore_thread_alive;
>+  core_ops.to_attach =3D freebsd_utcore_attach;
>+  core_ops.to_detach =3D freebsd_utcore_detach;
>+  core_ops.to_stratum =3D core_stratum;
>+  core_ops.to_find_new_threads =3D freebsd_uthread_find_new_threads;
>+  core_ops.to_fetch_registers =3D freebsd_uthread_fetch_registers;
>+  core_ops.to_sections =3D 0;
>+  core_ops.to_sections_end =3D 0;
>+}
>=20
> void
> _initialize_freebsd_uthread ()
> {
>   init_freebsd_uthread_ops ();
>+  init_freebsd_core_ops ();
>   add_target (&freebsd_uthread_ops);
>+  add_target (&core_ops);
>=20
>   target_new_objfile_chain =3D target_new_objfile_hook;
>   target_new_objfile_hook =3D freebsd_uthread_new_objfile;

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Attachments on bug 48183: 28724