diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/mn10300-tdep.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c index 1e684f8..4a3e294 100644 --- a/gdb/mn10300-tdep.c +++ b/gdb/mn10300-tdep.c @@ -294,7 +294,8 @@ set_movm_offsets (struct frame_info *fi, int movm_args) In gcc/config/mn13000/mn10300.c, the expand_prologue prologue function is pretty readable, and has a nice explanation of how the prologue is generated. The prologues generated by that code will - have the following form: + have the following form (NOTE: the current code doesn't handle all + this!): + If this is an old-style varargs function, then its arguments need to be flushed back to the stack: @@ -323,6 +324,9 @@ set_movm_offsets (struct frame_info *fi, int movm_args) fmov fsM,(OFFSETM,sp) ... + Note that, if OFFSETN happens to be zero, you'll get the + different opcode: fmov fsN,(sp) + . Or, set a0 to the start of the save area, and then use post-increment addressing to save the FP registers. |