diff options
Diffstat (limited to 'gdb/bsd-uthread.c')
| -rw-r--r-- | gdb/bsd-uthread.c | 137 |
1 files changed, 69 insertions, 68 deletions
diff --git a/gdb/bsd-uthread.c b/gdb/bsd-uthread.c index 6c9e3af..19d49c7 100644 --- a/gdb/bsd-uthread.c +++ b/gdb/bsd-uthread.c @@ -33,8 +33,40 @@ #include "bsd-uthread.h" -/* HACK: Save the bsd_uthreads ops returned by bsd_uthread_target. */ -static struct target_ops *bsd_uthread_ops_hack; +struct bsd_uthread_target final : public target_ops +{ + bsd_uthread_target () + { to_stratum = thread_stratum; } + + const char *shortname () override + { return "bsd-uthreads"; } + + const char *longname () override + { return _("BSD user-level threads"); } + + const char *doc () override + { return _("BSD user-level threads"); } + + void close () override; + + void mourn_inferior () override; + + void fetch_registers (struct regcache *, int) override; + void store_registers (struct regcache *, int) override; + + ptid_t wait (ptid_t, struct target_waitstatus *, int) override; + void resume (ptid_t, int, enum gdb_signal) override; + + int thread_alive (ptid_t ptid) override; + + void update_thread_list () override; + + const char *extra_thread_info (struct thread_info *) override; + + const char *pid_to_str (ptid_t) override; +}; + +static bsd_uthread_target bsd_uthread_ops; /* Architecture-specific operations. */ @@ -200,15 +232,15 @@ bsd_uthread_activate (struct objfile *objfile) bsd_uthread_thread_ctx_offset = bsd_uthread_lookup_offset ("_thread_ctx_offset", objfile); - push_target (bsd_uthread_ops_hack); + push_target (&bsd_uthread_ops); bsd_uthread_active = 1; return 1; } /* Cleanup due to deactivation. */ -static void -bsd_uthread_close (struct target_ops *self) +void +bsd_uthread_target::close () { bsd_uthread_active = 0; bsd_uthread_thread_run_addr = 0; @@ -228,7 +260,7 @@ bsd_uthread_deactivate (void) if (!bsd_uthread_active) return; - unpush_target (bsd_uthread_ops_hack); + unpush_target (&bsd_uthread_ops); } static void @@ -275,24 +307,23 @@ bsd_uthread_solib_unloaded (struct so_list *so) bsd_uthread_deactivate (); } -static void -bsd_uthread_mourn_inferior (struct target_ops *ops) +void +bsd_uthread_target::mourn_inferior () { - struct target_ops *beneath = find_target_beneath (ops); - beneath->to_mourn_inferior (beneath); + struct target_ops *beneath = find_target_beneath (this); + beneath->mourn_inferior (); bsd_uthread_deactivate (); } -static void -bsd_uthread_fetch_registers (struct target_ops *ops, - struct regcache *regcache, int regnum) +void +bsd_uthread_target::fetch_registers (struct regcache *regcache, int regnum) { struct gdbarch *gdbarch = regcache->arch (); struct bsd_uthread_ops *uthread_ops = (struct bsd_uthread_ops *) gdbarch_data (gdbarch, bsd_uthread_data); ptid_t ptid = regcache_get_ptid (regcache); CORE_ADDR addr = ptid_get_tid (ptid); - struct target_ops *beneath = find_target_beneath (ops); + struct target_ops *beneath = find_target_beneath (this); CORE_ADDR active_addr; scoped_restore save_inferior_ptid = make_scoped_restore (&inferior_ptid); @@ -301,7 +332,7 @@ bsd_uthread_fetch_registers (struct target_ops *ops, inferior_ptid = ptid; /* Always fetch the appropriate registers from the layer beneath. */ - beneath->to_fetch_registers (beneath, regcache, regnum); + beneath->fetch_registers (regcache, regnum); /* FIXME: That might have gotten us more than we asked for. Make sure we overwrite all relevant registers with values from the @@ -317,14 +348,13 @@ bsd_uthread_fetch_registers (struct target_ops *ops, } } -static void -bsd_uthread_store_registers (struct target_ops *ops, - struct regcache *regcache, int regnum) +void +bsd_uthread_target::store_registers (struct regcache *regcache, int regnum) { struct gdbarch *gdbarch = regcache->arch (); struct bsd_uthread_ops *uthread_ops = (struct bsd_uthread_ops *) gdbarch_data (gdbarch, bsd_uthread_data); - struct target_ops *beneath = find_target_beneath (ops); + struct target_ops *beneath = find_target_beneath (this); ptid_t ptid = regcache_get_ptid (regcache); CORE_ADDR addr = ptid_get_tid (ptid); CORE_ADDR active_addr; @@ -345,20 +375,20 @@ bsd_uthread_store_registers (struct target_ops *ops, { /* Updating the thread that is currently running; pass the request to the layer beneath. */ - beneath->to_store_registers (beneath, regcache, regnum); + beneath->store_registers (regcache, regnum); } } -static ptid_t -bsd_uthread_wait (struct target_ops *ops, - ptid_t ptid, struct target_waitstatus *status, int options) +ptid_t +bsd_uthread_target::wait (ptid_t ptid, struct target_waitstatus *status, + int options) { enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ()); CORE_ADDR addr; - struct target_ops *beneath = find_target_beneath (ops); + struct target_ops *beneath = find_target_beneath (this); /* Pass the request to the layer beneath. */ - ptid = beneath->to_wait (beneath, ptid, status, options); + ptid = beneath->wait (ptid, status, options); /* If the process is no longer alive, there's no point in figuring out the thread ID. It will fail anyway. */ @@ -399,20 +429,19 @@ bsd_uthread_wait (struct target_ops *ops, return ptid; } -static void -bsd_uthread_resume (struct target_ops *ops, - ptid_t ptid, int step, enum gdb_signal sig) +void +bsd_uthread_target::resume (ptid_t ptid, int step, enum gdb_signal sig) { /* Pass the request to the layer beneath. */ - struct target_ops *beneath = find_target_beneath (ops); - beneath->to_resume (beneath, ptid, step, sig); + struct target_ops *beneath = find_target_beneath (this); + beneath->resume (ptid, step, sig); } -static int -bsd_uthread_thread_alive (struct target_ops *ops, ptid_t ptid) +int +bsd_uthread_target::thread_alive (ptid_t ptid) { enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ()); - struct target_ops *beneath = find_target_beneath (ops); + struct target_ops *beneath = find_target_beneath (this); CORE_ADDR addr = ptid_get_tid (ptid); if (addr != 0) @@ -427,11 +456,11 @@ bsd_uthread_thread_alive (struct target_ops *ops, ptid_t ptid) return 0; } - return beneath->to_thread_alive (beneath, ptid); + return beneath->thread_alive (ptid); } -static void -bsd_uthread_update_thread_list (struct target_ops *ops) +void +bsd_uthread_target::update_thread_list () { pid_t pid = ptid_get_pid (inferior_ptid); int offset = bsd_uthread_thread_next_offset; @@ -487,9 +516,8 @@ static const char *bsd_uthread_state[] = /* Return a string describing th state of the thread specified by INFO. */ -static const char * -bsd_uthread_extra_thread_info (struct target_ops *self, - struct thread_info *info) +const char * +bsd_uthread_target::extra_thread_info (thread_info *info) { enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ()); CORE_ADDR addr = ptid_get_tid (info->ptid); @@ -507,8 +535,8 @@ bsd_uthread_extra_thread_info (struct target_ops *self, return NULL; } -static const char * -bsd_uthread_pid_to_str (struct target_ops *ops, ptid_t ptid) +const char * +bsd_uthread_target::pid_to_str (ptid_t ptid) { if (ptid_get_tid (ptid) != 0) { @@ -522,36 +550,9 @@ bsd_uthread_pid_to_str (struct target_ops *ops, ptid_t ptid) return normal_pid_to_str (ptid); } -static struct target_ops * -bsd_uthread_target (void) -{ - struct target_ops *t = XCNEW (struct target_ops); - - t->to_shortname = "bsd-uthreads"; - t->to_longname = "BSD user-level threads"; - t->to_doc = "BSD user-level threads"; - t->to_close = bsd_uthread_close; - t->to_mourn_inferior = bsd_uthread_mourn_inferior; - t->to_fetch_registers = bsd_uthread_fetch_registers; - t->to_store_registers = bsd_uthread_store_registers; - t->to_wait = bsd_uthread_wait; - t->to_resume = bsd_uthread_resume; - t->to_thread_alive = bsd_uthread_thread_alive; - t->to_update_thread_list = bsd_uthread_update_thread_list; - t->to_extra_thread_info = bsd_uthread_extra_thread_info; - t->to_pid_to_str = bsd_uthread_pid_to_str; - t->to_stratum = thread_stratum; - t->to_magic = OPS_MAGIC; - bsd_uthread_ops_hack = t; - - return t; -} - void _initialize_bsd_uthread (void) { - complete_target_initialization (bsd_uthread_target ()); - bsd_uthread_data = gdbarch_data_register_pre_init (bsd_uthread_init); gdb::observers::inferior_created.attach (bsd_uthread_inferior_created); |