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* h8300-tdep.c (print_insn): Call print_insn_h8300h if h8/300h.

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(examine_prologue): reg_save_depth is 4 if h8/300h.
This commit is contained in:
David Edelsohn 1993-07-08 15:32:38 +00:00
parent be47465751
commit d0414a1127
2 changed files with 11 additions and 14 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
Thu Jul 8 08:22:05 1993 Doug Evans (dje@canuck.cygnus.com)
* h8300-tdep.c (print_insn): Call print_insn_h8300h if h8/300h.
(examine_prologue): reg_save_depth is 4 if h8/300h.
* findvar.c (read_register): Provide some support for 64 bit regs.
(write_register): Ditto.

22
gdb/h8300-tdep.c
View File

@ -54,7 +54,6 @@ void frame_find_saved_regs ();
CORE_ADDR
h8300_skip_prologue (start_pc)
CORE_ADDR start_pc;
{
short int w;
@ -92,7 +91,6 @@ h8300_skip_prologue (start_pc)
}
return start_pc;
}
int
@ -102,7 +100,10 @@ print_insn (memaddr, stream)
{
disassemble_info info;
GDB_INIT_DISASSEMBLE_INFO(info, stream);
return print_insn_h8300 (memaddr, &info);
if (HMODE)
return print_insn_h8300h (memaddr, &info);
else
return print_insn_h8300 (memaddr, &info);
}
/* Given a GDB frame, determine the address of the calling function's frame.
@ -116,7 +117,6 @@ FRAME_ADDR
FRAME_CHAIN (thisframe)
FRAME thisframe;
{
frame_find_saved_regs (thisframe, (struct frame_saved_regs *) 0);
return thisframe->fsr->regs[SP_REGNUM];
}
@ -211,14 +211,13 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
int r;
int i;
int have_fp = 0;
register int src;
register struct pic_prologue_code *pcode;
INSN_WORD insn_word;
int size, offset;
unsigned int reg_save_depth = 2; /* Number of things pushed onto
stack, starts at 2, 'cause the
PC is already there */
/* Number of things pushed onto stack, starts at 2/4, 'cause the
PC is already there */
unsigned int reg_save_depth = HMODE ? 4 : 2;
unsigned int auto_depth = 0; /* Number of bytes of autos */
@ -233,7 +232,7 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
{
after_prolog_fp = read_register (SP_REGNUM);
}
if (ip == 0 || ip & ~0xffff)
if (ip == 0 || ip & (HMODE ? ~0xffff : ~0xffff))
return 0;
next_ip = NEXT_PROLOGUE_INSN (ip, limit, &insn_word);
@ -279,7 +278,6 @@ examine_prologue (ip, limit, after_prolog_fp, fsr, fi)
next_ip = NEXT_PROLOGUE_INSN (next_ip, limit, &insn_word);
auto_depth += insn_word;
}
}
/* Work out which regs are stored where */
@ -319,7 +317,6 @@ init_extra_frame_info (fromleaf, fi)
fi->args_pointer = 0; /* Unknown */
fi->locals_pointer = 0; /* Unknown */
fi->from_pc = 0;
}
/* Return the saved PC from this frame.
@ -330,7 +327,6 @@ init_extra_frame_info (fromleaf, fi)
CORE_ADDR
frame_saved_pc (frame)
FRAME frame;
{
return frame->from_pc;
}
@ -389,9 +385,7 @@ h8300_pop_frame ()
flush_cached_frames ();
set_current_frame (create_new_frame (read_register (FP_REGNUM),
read_pc ()));
}
}
void