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| author | Andrew Cagney <cagney@redhat.com> | 2003-07-11 14:52:17 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2003-07-11 14:52:17 +0000 |
| commit | a95504160dbb45d1716497659cf76d620ee8cebb (patch) | |
| tree | 9a9ddbba3df7283bf65e285eecb060734686649c /gdb/frame.c | |
| parent | 40f0e33f2c5577f6eac7fbbcbca602dd1bcf91d7 (diff) | |
| download | gdb-a95504160dbb45d1716497659cf76d620ee8cebb.tar.gz | |
2003-07-11 Andrew Cagney <cagney@redhat.com>
* frame.h (get_frame_address_in_block): Declare.
(frame_unwind_address_in_block): Declare.
* frame.c (frame_unwind_address_in_block): New function.
(get_frame_address_in_block): New function.
Diffstat (limited to 'gdb/frame.c')
| -rw-r--r-- | gdb/frame.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gdb/frame.c b/gdb/frame.c index 23fb5b17f62..1e364bdcb78 100644 --- a/gdb/frame.c +++ b/gdb/frame.c @@ -2006,6 +2006,33 @@ get_frame_pc (struct frame_info *frame) return frame_pc_unwind (frame->next); } +/* Return an address of that falls within the frame's code block. */ + +CORE_ADDR +frame_unwind_address_in_block (struct frame_info *next_frame) +{ + /* A draft address. */ + CORE_ADDR pc = frame_pc_unwind (next_frame); + + /* If THIS frame is not inner most (i.e., NEXT isn't the sentinel), + and NEXT is `normal' (i.e., not a sigtramp, dummy, ....) THIS + frame's PC ends up pointing at the instruction fallowing the + "call". Adjust that PC value so that it falls on the call + instruction (which, hopefully, falls within THIS frame's code + block. So far it's proved to be a very good approximation. See + get_frame_type for why ->type can't be used. */ + if (next_frame->level >= 0 + && get_frame_type (next_frame) == NORMAL_FRAME) + --pc; + return pc; +} + +CORE_ADDR +get_frame_address_in_block (struct frame_info *this_frame) +{ + return frame_unwind_address_in_block (this_frame->next); +} + static int pc_notcurrent (struct frame_info *frame) { |