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import gdb-1999-05-25 snapshot

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This commit is contained in:
Jason Molenda
1999-05-25 18:09:09 +00:00
parent 751d21b5b9
commit 392a587b05
121 changed files with 1297 additions and 523 deletions
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71
gdb/m68k-tdep.c
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@@ -72,6 +72,77 @@ isi_skip_prologue (pc)
return pc;
}
/* Return number of args passed to a frame.
Can return -1, meaning no way to tell. */
int
isi_frame_num_args (fi)
struct frame_info *fi;
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = 0177777 & read_memory_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217 /* addql #N, sp */
|| (insn & 0170777) == 0050117) /* addqw */
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774) /* addal #WW, sp */
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
int
delta68_frame_num_args (fi)
struct frame_info *fi;
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = 0177777 & read_memory_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217 /* addql #N, sp */
|| (insn & 0170777) == 0050117) /* addqw */
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774) /* addal #WW, sp */
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
int
news_frame_num_args (fi)
struct frame_info *fi;
{
int val;
CORE_ADDR pc = FRAME_SAVED_PC (fi);
int insn = 0177777 & read_memory_integer (pc, 2);
val = 0;
if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */
val = read_memory_integer (pc + 2, 2);
else if ((insn & 0170777) == 0050217 /* addql #N, sp */
|| (insn & 0170777) == 0050117) /* addqw */
{
val = (insn >> 9) & 7;
if (val == 0)
val = 8;
}
else if (insn == 0157774) /* addal #WW, sp */
val = read_memory_integer (pc + 2, 4);
val >>= 2;
return val;
}
/* Push an empty stack frame, to record the current PC, etc. */