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| author | Pedro Alves <pedro@codesourcery.com> | 2011-03-18 18:41:35 +0000 |
|---|---|---|
| committer | Pedro Alves <pedro@codesourcery.com> | 2011-03-18 18:41:35 +0000 |
| commit | ef749a8958424d7fde1db60719cdc6425831f9de (patch) | |
| tree | 277542963fd88950a203537d81efbbfd0c9c7027 /gdb/sentinel-frame.c | |
| parent | b9dea663f5c79d3d7a9554da1554bb00a52e4b5e (diff) | |
| download | gdb-ef749a8958424d7fde1db60719cdc6425831f9de.tar.gz | |
gdb/
* findvar.c (value_of_register): Mark the value as unavailable, if
the register is unavailable.
* frame.h (frame_register_unwind): New `unavailablep' parameter.
(frame_register): New `unavailablep' parameter.
(frame_register_read): Update comment.
* frame.c (frame_register_unwind): New `unavailablep' parameter.
Set it if the register is unavailable. If the register is
unavailable, clear the output buffer.
(frame_register): New `unavailablep' parameter. Pass it down.
(frame_unwind_register): Adjust.
(put_frame_register): Adjust.
(frame_register_read): Adjust. Also return false if the register
is not available.
(frame_register_unwind_location): Adjust.
* sentinel-frame.c (sentinel_frame_prev_register): If the register
is unavailable, mark the value accordingly.
* stack.c (frame_info): Handle unavailable registers.
gdb/testsuite/
* gdb.trace/unavailable.exp (fpreg, spreg, pcreg): Define.
(test_register, test_register_unavailable): New procedures.
(gdb_unavailable_registers_test): New procedure.
(gdb_trace_collection_test): Call it.
Diffstat (limited to 'gdb/sentinel-frame.c')
| -rw-r--r-- | gdb/sentinel-frame.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/sentinel-frame.c b/gdb/sentinel-frame.c index f68ea1c02ef..e6000cc136c 100644 --- a/gdb/sentinel-frame.c +++ b/gdb/sentinel-frame.c @@ -61,7 +61,10 @@ sentinel_frame_prev_register (struct frame_info *this_frame, /* Use the regcache_cooked_read() method so that it, on the fly, constructs either a raw or pseudo register from the raw register cache. */ - regcache_cooked_read (cache->regcache, regnum, value_contents_raw (value)); + if (regcache_cooked_read (cache->regcache, + regnum, + value_contents_raw (value)) == REG_UNAVAILABLE) + mark_value_bytes_unavailable (value, 0, register_size (gdbarch, regnum)); return value; } |