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authorJan Kratochvil <jan.kratochvil@redhat.com>2009-07-09 12:50:47 +0000
committerJan Kratochvil <jan.kratochvil@redhat.com>2009-07-09 12:50:47 +0000
commit3a8f7b070dc49e6b283c1ce377ca13f6b8a1b62c (patch)
treeeb366c5fd1d98736860d29c4ef847eb1d4584a79
parent9c4d0c1fb84afbb659db9f65018dd6e34b4ebb3e (diff)
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* target.h (struct target_ops <to_thread_architecture>): Describe it. (target_thread_architecture): Refer to to_thread_architecture.
-rw-r--r--gdb/ChangeLog6
-rw-r--r--gdb/target.h13
2 files changed, 17 insertions, 2 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 7f70d4d..82fa8b8 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2009-07-09 Ulrich Weigand <uweigand@de.ibm.com>
+ Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * target.h (struct target_ops <to_thread_architecture>): Describe it.
+ (target_thread_architecture): Refer to to_thread_architecture.
+
2009-07-08 Pierre Muller <muller@ics.u-strasbg.fr>
* cli/cli-cmds.c (init_cli_cmds): Add "inf" alias for "info" command.
diff --git a/gdb/target.h b/gdb/target.h
index 24c803c..c425a5b 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -543,7 +543,16 @@ struct target_ops
simultaneously? */
int (*to_supports_multi_process) (void);
- /* Determine current architecture of thread PTID. */
+ /* Determine current architecture of thread PTID.
+
+ The target is supposed to determine the architecture of the code where
+ the target is currently stopped at (on Cell, if a target is in spu_run,
+ to_thread_architecture would return SPU, otherwise PPC32 or PPC64).
+ This is architecture used to perform decr_pc_after_break adjustment,
+ and also determines the frame architecture of the innermost frame.
+ ptrace operations need to operate according to target_gdbarch.
+
+ The default implementation always returns target_gdbarch. */
struct gdbarch *(*to_thread_architecture) (struct target_ops *, ptid_t);
int to_magic;
@@ -1043,7 +1052,7 @@ extern char *normal_pid_to_str (ptid_t ptid);
#define target_pid_to_exec_file(pid) \
(current_target.to_pid_to_exec_file) (pid)
-/* Determine current architecture of thread PTID. */
+/* See the to_thread_architecture description in struct target_ops. */
#define target_thread_architecture(ptid) \
(current_target.to_thread_architecture (&current_target, ptid))