From 03a0cf8a7a512ba84f0d3d99ed94e63d5cf0ffcb Mon Sep 17 00:00:00 2001 From: Jim Blandy Date: Sun, 25 Nov 2001 23:43:43 +0000 Subject: * mn10300-tdep.c (mn10300_analyze_prologue): Doc fixes. --- gdb/mn10300-tdep.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'gdb/mn10300-tdep.c') 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. -- cgit v1.1