diff options
Diffstat (limited to 'gdb/h8300-tdep.c')
-rw-r--r-- | gdb/h8300-tdep.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/gdb/h8300-tdep.c b/gdb/h8300-tdep.c index 954e258..32581e9 100644 --- a/gdb/h8300-tdep.c +++ b/gdb/h8300-tdep.c @@ -29,6 +29,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "dis-asm.h" #include "gdbcmd.h" #include "gdbtypes.h" +#include "gdbcore.h" +#include "gdb_string.h" +#include "value.h" + #undef NUM_REGS #define NUM_REGS 11 @@ -52,7 +56,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define IS_MOVK_R5(x) (x==0x7905) #define IS_SUB_R5SP(x) (x==0x1957) +/* Local function declarations. */ + static CORE_ADDR examine_prologue (); +static void set_machine_hook PARAMS ((char *filename)); void frame_find_saved_regs (); CORE_ADDR @@ -137,9 +144,6 @@ frame_find_saved_regs (fi, fsr) struct frame_info *fi; struct frame_saved_regs *fsr; { - register CORE_ADDR next_addr; - register CORE_ADDR *saved_regs; - register int regnum; register struct frame_saved_regs *cache_fsr; extern struct obstack frame_cache_obstack; CORE_ADDR ip; @@ -212,12 +216,8 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi) { register CORE_ADDR next_ip; int r; - int i; int have_fp = 0; - register int src; - register struct pic_prologue_code *pcode; INSN_WORD insn_word; - int size, offset; /* Number of things pushed onto stack, starts at 2/4, 'cause the PC is already there */ unsigned int reg_save_depth = h8300hmode ? 4 : 2; @@ -378,7 +378,7 @@ h8300_pop_frame () for (regnum = 0; regnum < 8; regnum++) { if (fsr.regs[regnum]) - write_register (regnum, read_memory_integer(fsr.regs[regnum]), BINWORD); + write_register (regnum, read_memory_integer(fsr.regs[regnum], BINWORD)); flush_cached_frames (); } @@ -410,6 +410,19 @@ set_machine (args, from_tty) help_list (setmemorylist, "set memory ", -1, gdb_stdout); } +/* set_machine_hook is called as the exec file is being opened, but + before the symbol file is opened. This allows us to set the + h8300hmode flag based on the machine type specified in the exec + file. This in turn will cause subsequently defined pointer types + to be 16 or 32 bits as appropriate for the machine. */ + +static void +set_machine_hook (filename) + char *filename; +{ + h8300hmode = (bfd_get_mach (exec_bfd) == bfd_mach_h8300h); +} + void _initialize_h8300m () { @@ -422,6 +435,10 @@ _initialize_h8300m () add_cmd ("h8300h", class_support, h8300h_command, "Set machine to be H8/300H.", &setmemorylist); + + /* Add a hook to set the machine type when we're loading a file. */ + + specify_exec_file_hook(set_machine_hook); } |