diff options
Diffstat (limited to 'gdb/m68k-tdep.c')
| -rw-r--r-- | gdb/m68k-tdep.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gdb/m68k-tdep.c b/gdb/m68k-tdep.c index c751604aefd..56e55526f6b 100644 --- a/gdb/m68k-tdep.c +++ b/gdb/m68k-tdep.c @@ -26,6 +26,53 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "inferior.h" +/* The only reason this is here is the tm-altos.h reference below. It + was moved back here from tm-m68k.h. FIXME? */ + +extern CORE_ADDR +altos_skip_prologue (pc) + CORE_ADDR pc; +{ + register int op = read_memory_integer (pc, 2); + if (op == 0047126) + pc += 4; /* Skip link #word */ + else if (op == 0044016) + pc += 6; /* Skip link #long */ + /* Not sure why branches are here. */ + /* From tm-isi.h, tm-altos.h */ + else if (op == 0060000) + pc += 4; /* Skip bra #word */ + else if (op == 00600377) + pc += 6; /* skip bra #long */ + else if ((op & 0177400) == 0060000) + pc += 2; /* skip bra #char */ + return pc; +} + +/* The only reason this is here is the tm-isi.h reference below. It + was moved back here from tm-m68k.h. FIXME? */ + +extern CORE_ADDR +isi_skip_prologue (pc) + CORE_ADDR pc; +{ + register int op = read_memory_integer (pc, 2); + if (op == 0047126) + pc += 4; /* Skip link #word */ + else if (op == 0044016) + pc += 6; /* Skip link #long */ + /* Not sure why branches are here. */ + /* From tm-isi.h, tm-altos.h */ + else if (op == 0060000) + pc += 4; /* Skip bra #word */ + else if (op == 00600377) + pc += 6; /* skip bra #long */ + else if ((op & 0177400) == 0060000) + pc += 2; /* skip bra #char */ + return pc; +} + + /* Push an empty stack frame, to record the current PC, etc. */ void |