Commit: 1f8a316b13dd3ff6cb8e27aef3a3d3e514af26db - binutils_os216 (git)

GNU Binutils with patches for OS216

Commit MetaInfo

• Revisión: 1f8a316b13dd3ff6cb8e27aef3a3d3e514af26db (tree)
• Tiempo: 2006-04-01 05:35:47
• Autor: Michael Snyder <msnyder@vmwa...>
• Commiter: Michael Snyder

Log Message

2006-03-31 Michael Snyder <[e-mail]>

Target interface for reverse execution.
* target.h (enum target_waitkind):
Add new wait event, TARGET_WAITKIND_NO_HISTORY.
(enum exec_direction_kind): New enum.
(struct target_ops): New methods to_set_execdir, to_get_execdir.
(target_set_execution_direction): New macro.
(target_get_execution_direction): New macro.
* target.c (update_current_target): Inherit new execdir methods.

Cambiar Resumen

• modified: gdb/ChangeLog
• modified: gdb/target.c
• modified: gdb/target.h

Diferencia incremental

--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,128 @@
[phone]  Michael Snyder  <[e-mail]>
+
+	Target interface for reverse execution.
+	* target.h (enum target_waitkind): 
+	Add new wait event, TARGET_WAITKIND_NO_HISTORY.
+	(enum exec_direction_kind): New enum.
+	(struct target_ops): New methods to_set_execdir, to_get_execdir.
+	(target_set_execution_direction): New macro.
+	(target_get_execution_direction): New macro.
+	* target.c (update_current_target): Inherit new execdir methods.
+
[phone]  Andrew Stubbs  <[e-mail]>
+
+	* value.h (struct internalvar): Add field 'endian'.
+	* value.c (lookup_internalvar): Initialise endian.
+	(value_of_internalvar): Flip the endian of built-in types if required.
+	(set_internalvar): Set the endian.
+	(show_convenience): Access the value through value_of_internalvar().
+
[phone]  Vladimir Prus  <[e-mail]>
+
+	* remote.c (watchpoint_to_Z_packet): Use values of Z_packet_type enum
+	instead of hardcoded integer literals.
+
[phone]  Daniel Jacobowitz  <[e-mail]>
+
+	* cli/cli-script.c (insert_args): Handle NULL user_args.
+
[phone]  Daniel Jacobowitz  <[e-mail]>
+
+	* arm-tdep.c (thumb_scan_prologue): Don't try to analyze
+	the function at zero if we have no symbols.
+
[phone]  Adrien Kunysz  <[e-mail]>
+
+	* i386-stub.c (getpacket): Fix array overflow.
+	* m32r-stub.c (getpacket): Likewise.
+	* m68k-stub.c (getpacket): Likewise.
+	* sh-stub.c (getpacket): Likewise.
+	* sparc-stub.c (getpacket): Likewise.
+
[phone]  Daniel Jacobowitz  <[e-mail]>
+ 
+	* frame.h (set_current_sal_from_frame): New prototype.
+	* stack.c (set_current_sal_from_frame): Make global.
+	* infrun.c (normal_stop): Call set_current_sal_from_frame.
+
[phone]  Daniel Jacobowitz  <[e-mail]>
+
+	* linux-thread-db.c: Include "linux-nat.h".
+	(check_for_thread_db): New function, split out from
+	thread_db_new_objfile.  Remove dead check for active
+	thread_db on inapplicable targets.
+	(thread_db_new_objfile): Call check_for_thread_db.
+	* Makefile.in (linux-thread-db.o): Update.
+	* linux-nat.c (child_post_attach): Call check_for_thread_db.
+	(linux_child_post_startup_inferior): Likewise.
+	(lin_lwp_attach_lwp): Call target_post_attach instead of
+	child_post_attach.
+	* linux-nat.h (check_for_thread_db): New prototype.
+
[phone]  Daniel Jacobowitz  <[e-mail]>
+
+	* remote.c (struct remote_state): Add BUF and BUF_SIZE.
+	(init_remote_state): Initialize the new fields.
+	(get_memory_packet_size): Update BUF and BUF_SIZE if necessary.
+	(set_thread, remote_thread_alive, remote_unpack_thread_info_response)
+	(remote_get_threadinfo, parse_threadlist_response)
+	(remote_get_threadlist, remote_current_thread, remote_threads_info)
+	(remote_threads_extra_info, extended_remote_restart, get_offsets)
+	(remote_check_symbols, remote_open_1, remote_detach)
+	(remove_vcont_probe, remote_vcont_resume, remote_resume)
+	(remote_wait, remote_async_wait, fetch_register_using_p)
+	(remote_fetch_registers, store_register_using_P)
+	(remote_store_registers, check_binary_download, remote_write_bytes)
+	(remote_read_bytes, remote_insert_breakpoint)
+	(remote_remove_breakpoint, remote_insert_watchpoint)
+	(remote_remove_watchpoint, remote_insert_hw_breakpoint)
+	(remote_remove_hw_breakpoint, compare_sections_command)
+	(remote_xfer_partial, remote_rcmd, packet_command)
+	(remote_get_thread_local_address): Use the global incoming buffer
+	instead of alloca or xmalloc.  Limit outgoing packets to
+	rs->remote_packet_size and incoming packets to rs->buf_size.
+	Update calls to getpkt and remote_send.
+	(remote_send): Take arguments by reference.
+	(putpkt_binary): Eliminate junkbuf.  Use skip_frame.
+	(skip_frame): New function.
+	(read_frame): Take arguments by reference.  Expand the packet
+	buffer instead of issuing an error.
+	(getpkt, getpkt_sane): Take arguments by reference.
+	* remote.h (getpkt): Update prototype and doc.
+	* tracepoint.c (remote_get_noisy_reply): Take arguments by
+	reference.
+	(target_buf): Change from array to pointer.
+	(target_buf_size): New variable.
+	(remote_set_transparent_ranges): Update call to getpkt.
+	(trace_start_command, trace_stop_command, trace_status_command):
+	Update calls to remote_get_noisy_reply.
+	(finish_tfind_command): Take arguments by reference.
+	(trace_find_command, trace_find_pc_command)
+	(trace_find_tracepoint_command, trace_find_line_command):
+	(trace_find_range_command, trace_find_outside_command): Update
+	calls to finish_tfind_command.
+	(_initialize_tracepoint): Initialize target_buf_size and target_buf.
+
[phone]  Randolph Chung  <[e-mail]>
+
+	* hppa-linux-tdep.c: Include regset.h.
+	(GR_REGNUM, TR_REGNUM, greg_map): New.
+	(hppa_linux_supply_regset, hppa_linux_supply_fpregset): New.
+	(hppa_linux_regset, hppa_linux_fpregset): New.
+	(hppa_linux_regset_from_core_section): New.
+	(hppa_linux_init_abi): Set regset_from_core_section.
+	(_initialize_hppa_linux_tdep): Register osabi handler for
+	64-bit Linux.
+	* Makefile.in (hppa-linux-tdep.o): Update dependencies.
+	* config/pa/linux.mh: Stop using core-regset.o
+
[phone]  Randolph Chung  <[e-mail]>
+
+	* hppa-tdep.c (hppa_find_unwind_entry_in_block): New.
+	(hppa_frame_cache): Use new function to find unwind entry.
+	(hppa_frame_this_id): Likewise.
+	(hppa_frame_unwind_sniffer): Likewise.
+
 2006-03-29  Daniel Jacobowitz  <[e-mail]>
 
 	* NEWS: Mention the removal of NLM.

--- a/gdb/target.c
+++ b/gdb/target.c
@@ -457,6 +457,8 @@ update_current_target (void)
       INHERIT (to_find_memory_regions, t);
       INHERIT (to_make_corefile_notes, t);
       INHERIT (to_get_thread_local_address, t);
+      INHERIT (to_get_execdir, t);
+      INHERIT (to_set_execdir, t);
       INHERIT (to_magic, t);
     }
 #undef INHERIT

--- a/gdb/target.h
+++ b/gdb/target.h
@@ -129,7 +129,11 @@ enum target_waitkind
        inferior, rather than being stuck in the remote_async_wait()
        function. This way the event loop is responsive to other events,
        like for instance the user typing.  */
-    TARGET_WAITKIND_IGNORE
+    TARGET_WAITKIND_IGNORE,
+
+    /* The target has run out of history information,
+       and cannot run backward any further.  */
+    TARGET_WAITKIND_NO_HISTORY
   };
 
 struct target_waitstatus
@@ -148,6 +152,14 @@ struct target_waitstatus
     value;
   };
 
+/* Reverse execution.  */
+enum exec_direction_kind 
+  {
+    EXEC_FORWARD,
+    EXEC_REVERSE,
+    EXEC_ERROR
+  };
+
 /* Possible types of events that the inferior handler will have to
    deal with.  */
 enum inferior_event_type
@@ -423,6 +435,11 @@ struct target_ops
 				gdb_byte *readbuf, const gdb_byte *writebuf,
 				ULONGEST offset, LONGEST len);
 
+    /* Set execution direction (forward/reverse).  */
+    int (*to_set_execdir) (enum exec_direction_kind);
+    /* Get execution direction (forward/reverse).  */
+    enum exec_direction_kind (*to_get_execdir) (void);
+
     int to_magic;
     /* Need sub-structure for target machine related rather than comm related?
      */
@@ -1074,6 +1091,18 @@ extern int target_stopped_data_address_p (struct target_ops *);
 #define target_stopped_data_address_p(CURRENT_TARGET) (1)
 #endif
 
+/* Forward/reverse execution direction.  
+   These will only be implemented by a target that supports reverse execution.
+*/
+#define target_get_execution_direction() \
+    (current_target.to_get_execdir ? \
+     (*current_target.to_get_execdir) () : EXEC_ERROR)
+
+#define target_set_execution_direction(DIR) \
+    (current_target.to_set_execdir ? \
+     (*current_target.to_set_execdir) (DIR) : EXEC_ERROR)
+    
+
 /* This will only be defined by a target that supports catching vfork events,
    such as HP-UX.