Tue Oct 29 12:48:04 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
* d10v-tdep.c: Snapshot that supports D10V-EVA board. * config/d10v/tm-d10v.h (REGISTER_NAMES): Add imap0,imap1,dmap. (TARGET_READ_FP,TARGET_WRITE_FP): Define.
This commit is contained in:
parent
acaf1d19e6
commit
19414cdfb0
|
@ -1,3 +1,12 @@
|
|||
start-sanitize-d10v
|
||||
Tue Oct 29 12:48:04 1996 Martin M. Hunt <hunt@pizza.cygnus.com>
|
||||
|
||||
* d10v-tdep.c: Snapshot that supports D10V-EVA board.
|
||||
|
||||
* config/d10v/tm-d10v.h (REGISTER_NAMES): Add imap0,imap1,dmap.
|
||||
(TARGET_READ_FP,TARGET_WRITE_FP): Define.
|
||||
|
||||
end-sanitize-d10v
|
||||
Mon Oct 28 17:34:24 1996 Stu Grossman (grossman@critters.cygnus.com)
|
||||
|
||||
* mswin/genmakes mswin/recordit: New scripts to generate make
|
||||
|
|
157
gdb/d10v-tdep.c
157
gdb/d10v-tdep.c
|
@ -30,6 +30,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
#include "objfiles.h"
|
||||
|
||||
void d10v_frame_find_saved_regs PARAMS ((struct frame_info *fi, struct frame_saved_regs *fsr));
|
||||
static void d10v_pop_dummy_frame PARAMS ((struct frame_info *fi));
|
||||
|
||||
/* Discard from the stack the innermost frame,
|
||||
restoring all saved registers. */
|
||||
|
@ -44,6 +45,13 @@ d10v_pop_frame ()
|
|||
char raw_buffer[8];
|
||||
|
||||
fp = FRAME_FP (frame);
|
||||
printf("pop_frame %x\n",(int)fp);
|
||||
if (frame->dummy)
|
||||
{
|
||||
d10v_pop_dummy_frame(frame);
|
||||
return;
|
||||
}
|
||||
|
||||
/* fill out fsr with the address of where each */
|
||||
/* register was stored in the frame */
|
||||
get_frame_saved_regs (frame, &fsr);
|
||||
|
@ -143,7 +151,7 @@ d10v_skip_prologue (pc)
|
|||
}
|
||||
return pc;
|
||||
}
|
||||
|
||||
|
||||
/* Given a GDB frame, determine the address of the calling function's frame.
|
||||
This will be used to create a new GDB frame struct, and then
|
||||
INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
|
||||
|
@ -162,9 +170,9 @@ d10v_frame_chain (frame)
|
|||
|
||||
if (!fsr.regs[FP_REGNUM])
|
||||
{
|
||||
return (CORE_ADDR)fsr.regs[SP_REGNUM];
|
||||
return (CORE_ADDR)fsr.regs[SP_REGNUM]+0x2000000;
|
||||
}
|
||||
return read_memory_unsigned_integer(fsr.regs[FP_REGNUM],2);
|
||||
return read_memory_unsigned_integer(fsr.regs[FP_REGNUM],2)+0x2000000;
|
||||
}
|
||||
|
||||
static int next_addr;
|
||||
|
@ -305,9 +313,9 @@ d10v_frame_find_saved_regs (fi, fsr)
|
|||
}
|
||||
|
||||
if (fsr->regs[13])
|
||||
fi->return_pc = (read_memory_unsigned_integer(fsr->regs[13],2)-1) << 2;
|
||||
fi->return_pc = ((read_memory_unsigned_integer(fsr->regs[13],2)-1) << 2) + 0x1000000;
|
||||
else
|
||||
fi->return_pc = (read_register(13) - 1) << 2;
|
||||
fi->return_pc = ((read_register(13) - 1) << 2) + 0x1000000;
|
||||
|
||||
/* th SP is not normally (ever?) saved, but check anyway */
|
||||
if (!fsr->regs[SP_REGNUM])
|
||||
|
@ -331,12 +339,19 @@ d10v_init_extra_frame_info (fromleaf, fi)
|
|||
if (fi->next && (fi->pc == 0))
|
||||
fi->pc = fi->next->return_pc;
|
||||
|
||||
/*
|
||||
printf("init_extra_frame_info: fi->pc=%x frame=%x PC=%x SP=%x\n",
|
||||
(int)fi->pc,(int)fi->frame,(int)read_register(PC_REGNUM)<<2,(int)read_register(SP_REGNUM));
|
||||
*/
|
||||
|
||||
d10v_frame_find_saved_regs (fi, &dummy);
|
||||
if (!dummy.regs[FP_REGNUM])
|
||||
{
|
||||
fi->frame = dummy.regs[SP_REGNUM] - fi->size;
|
||||
/* printf("init_extra_frame_info: sp=%x size=%x\n",dummy.regs[SP_REGNUM],fi->size);; */
|
||||
fi->frame = dummy.regs[SP_REGNUM] - fi->size + 0x2000000;
|
||||
d10v_frame_find_saved_regs (fi, &dummy);
|
||||
}
|
||||
}
|
||||
/* printf("init_extra_frame_info end: pc=%x frame=%x\n",(int)fi->pc,(int)fi->frame); */
|
||||
}
|
||||
|
||||
static void
|
||||
|
@ -369,6 +384,10 @@ show_regs (args, from_tty)
|
|||
read_register (13),
|
||||
read_register (14),
|
||||
read_register (15));
|
||||
printf_filtered ("IMAP0 %04x IMAP1 %04x DMAP %04x\n",
|
||||
read_register (IMAP0_REGNUM),
|
||||
read_register (IMAP1_REGNUM),
|
||||
read_register (DMAP_REGNUM));
|
||||
read_register_gen (A0_REGNUM, (char *)&num1);
|
||||
read_register_gen (A0_REGNUM+1, (char *)&num2);
|
||||
printf_filtered ("A0-A1 %010llx %010llx\n",num1, num2);
|
||||
|
@ -381,45 +400,61 @@ _initialize_d10v_tdep ()
|
|||
add_com ("regs", class_vars, show_regs, "Print all registers");
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
d10v_read_register_pid (regno, pid)
|
||||
int regno, pid;
|
||||
static CORE_ADDR
|
||||
d10v_xlate_addr (addr)
|
||||
int addr;
|
||||
{
|
||||
int save_pid;
|
||||
CORE_ADDR retval;
|
||||
int imap;
|
||||
|
||||
if (pid == inferior_pid)
|
||||
return (read_register(regno)) << 2;
|
||||
if (addr < 0x20000)
|
||||
imap = (int)read_register(IMAP0_REGNUM);
|
||||
else
|
||||
imap = (int)read_register(IMAP1_REGNUM);
|
||||
|
||||
if (imap & 0x1000)
|
||||
return (CORE_ADDR)(addr + 0x1000000);
|
||||
return (CORE_ADDR)(addr + (imap & 0xff)*0x20000);
|
||||
}
|
||||
|
||||
|
||||
CORE_ADDR
|
||||
d10v_read_pc (pid)
|
||||
int pid;
|
||||
{
|
||||
int save_pid, retval;
|
||||
|
||||
save_pid = inferior_pid;
|
||||
inferior_pid = pid;
|
||||
retval = read_register (regno);
|
||||
retval = (int)read_register (PC_REGNUM);
|
||||
inferior_pid = save_pid;
|
||||
return (retval << 2);
|
||||
return d10v_xlate_addr(retval << 2);
|
||||
}
|
||||
|
||||
void
|
||||
d10v_write_register_pid (regno, val, pid)
|
||||
int regno;
|
||||
d10v_write_pc (val, pid)
|
||||
LONGEST val;
|
||||
int pid;
|
||||
{
|
||||
int save_pid;
|
||||
|
||||
val >>= 2;
|
||||
|
||||
if (pid == inferior_pid)
|
||||
{
|
||||
write_register (regno, val);
|
||||
return;
|
||||
}
|
||||
|
||||
save_pid = inferior_pid;
|
||||
inferior_pid = pid;
|
||||
write_register (regno, val);
|
||||
write_register (PC_REGNUM, (val & 0x3ffff) >> 2);
|
||||
inferior_pid = save_pid;
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
d10v_read_fp ()
|
||||
{
|
||||
return (read_register(FP_REGNUM) + 0x2000000);
|
||||
}
|
||||
|
||||
void
|
||||
d10v_write_fp (val)
|
||||
LONGEST val;
|
||||
{
|
||||
write_register (FP_REGNUM, val & 0xffff);
|
||||
}
|
||||
|
||||
void
|
||||
d10v_fix_call_dummy (dummyname, start_sp, fun, nargs, args, type, gcc_p)
|
||||
|
@ -434,7 +469,9 @@ d10v_fix_call_dummy (dummyname, start_sp, fun, nargs, args, type, gcc_p)
|
|||
int regnum, i;
|
||||
CORE_ADDR sp;
|
||||
char buffer[MAX_REGISTER_RAW_SIZE];
|
||||
|
||||
struct frame_info *frame = get_current_frame ();
|
||||
frame->dummy = 1;
|
||||
printf("D10v_fix_call_dummy: %x %x %d frame=%x\n",(int)start_sp,(int)fun,nargs,(int)frame->frame);
|
||||
sp = start_sp;
|
||||
for (regnum = 0; regnum < NUM_REGS-1; regnum++)
|
||||
{
|
||||
|
@ -443,13 +480,28 @@ d10v_fix_call_dummy (dummyname, start_sp, fun, nargs, args, type, gcc_p)
|
|||
sp -= REGISTER_RAW_SIZE(regnum);
|
||||
}
|
||||
write_register (SP_REGNUM, (LONGEST)sp);
|
||||
/* now we need to load PC with the return address */
|
||||
write_register (PC_REGNUM, (LONGEST)d10v_call_dummy_address()>>2);
|
||||
printf("writing %x to sp\n",(int)sp);
|
||||
/* now we need to load LR with the return address */
|
||||
write_register (LR_REGNUM, (LONGEST)d10v_call_dummy_address()>>2);
|
||||
target_store_registers (-1);
|
||||
flush_cached_frames ();
|
||||
}
|
||||
|
||||
static void
|
||||
d10v_pop_dummy_frame (fi)
|
||||
struct frame_info *fi;
|
||||
{
|
||||
printf("pop_dummy_frame: start_sp=%x\n",(int)fi->frame);
|
||||
/*
|
||||
sp = start_sp;
|
||||
for (regnum = 0; regnum < NUM_REGS-1; regnum++)
|
||||
{
|
||||
store_address (buffer, REGISTER_RAW_SIZE(regnum), read_register(regnum));
|
||||
write_memory (sp, buffer, REGISTER_RAW_SIZE(regnum));
|
||||
sp -= REGISTER_RAW_SIZE(regnum);
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
CORE_ADDR
|
||||
d10v_push_arguments (nargs, args, sp, struct_return, struct_addr)
|
||||
int nargs;
|
||||
|
@ -460,13 +512,14 @@ d10v_push_arguments (nargs, args, sp, struct_return, struct_addr)
|
|||
{
|
||||
int i, len, regnum=2;
|
||||
char *contents;
|
||||
|
||||
LONGEST val;
|
||||
|
||||
for (i = 0; i < nargs; i++)
|
||||
{
|
||||
value_ptr arg = args[i];
|
||||
struct type *arg_type = check_typedef (VALUE_TYPE (arg));
|
||||
switch (TYPE_CODE (arg_type))
|
||||
{
|
||||
{
|
||||
case TYPE_CODE_INT:
|
||||
case TYPE_CODE_BOOL:
|
||||
case TYPE_CODE_CHAR:
|
||||
|
@ -478,46 +531,32 @@ d10v_push_arguments (nargs, args, sp, struct_return, struct_addr)
|
|||
}
|
||||
len = TYPE_LENGTH (arg_type);
|
||||
contents = VALUE_CONTENTS(arg);
|
||||
switch (len)
|
||||
{
|
||||
case 1:
|
||||
write_register (regnum++, (LONGEST)(*contents));
|
||||
break;
|
||||
case 2:
|
||||
write_register (regnum++, (LONGEST)(*(short *)contents));
|
||||
break;
|
||||
case 4:
|
||||
{
|
||||
LONGEST val = *(long *)contents;
|
||||
write_register (regnum++, val >> 16 );
|
||||
write_register (regnum++, val & 0xFFFF );
|
||||
}
|
||||
break;
|
||||
default:
|
||||
}
|
||||
val = extract_signed_integer (contents, len);
|
||||
printf("arg %d: len=%d contents=%x\n",i,len,(int)val);
|
||||
if (len == 4)
|
||||
write_register (regnum++, val>>16);
|
||||
write_register (regnum++, val & 0xffff);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
CORE_ADDR
|
||||
d10v_call_dummy_address ()
|
||||
{
|
||||
CORE_ADDR entry, retval;
|
||||
CORE_ADDR entry;
|
||||
struct minimal_symbol *sym;
|
||||
|
||||
entry = entry_point_address ();
|
||||
|
||||
if (entry != 0)
|
||||
{
|
||||
return entry;
|
||||
}
|
||||
return entry;
|
||||
|
||||
sym = lookup_minimal_symbol ("_start", NULL, symfile_objfile);
|
||||
|
||||
if (!sym || MSYMBOL_TYPE (sym) != mst_text)
|
||||
retval = 0;
|
||||
return 0;
|
||||
else
|
||||
retval = SYMBOL_VALUE_ADDRESS (sym);
|
||||
return retval;
|
||||
return SYMBOL_VALUE_ADDRESS (sym);
|
||||
}
|
||||
|
||||
/* Given a return value in `regbuf' with a type `valtype',
|
||||
|
@ -529,5 +568,7 @@ d10v_extract_return_value (valtype, regbuf, valbuf)
|
|||
char regbuf[REGISTER_BYTES];
|
||||
char *valbuf;
|
||||
{
|
||||
printf("EXTRACT: regbuf=%x, *regbuf=%x %x %x %x len=%d %d\n",(int)regbuf,*(int *)regbuf,
|
||||
*(int *)(regbuf+4),*(int *)(regbuf+8),*(int *)(regbuf+12),TYPE_LENGTH (valtype),REGISTER_BYTE (2) );
|
||||
memcpy (valbuf, regbuf + REGISTER_BYTE (2), TYPE_LENGTH (valtype));
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue