/* Target-dependent code for Moxie.
- Copyright (C) 2009-2014 Free Software Foundation, Inc.
+ Copyright (C) 2009-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "gdbtypes.h"
#include "gdbcmd.h"
#include "gdbcore.h"
-#include <string.h>
#include "value.h"
#include "inferior.h"
#include "symfile.h"
#include "record.h"
#include "record-full.h"
-#include "gdb_assert.h"
-
#include "moxie-tdep.h"
/* Local functions. */
static void
moxie_store_return_value (struct type *type, struct regcache *regcache,
- const void *valbuf)
+ const gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM, regval);
if (len > 4)
{
- regval = extract_unsigned_integer ((gdb_byte *) valbuf + 4,
- len - 4, byte_order);
+ regval = extract_unsigned_integer (valbuf + 4, len - 4, byte_order);
regcache_cooked_write_unsigned (regcache, RET1_REGNUM + 1, regval);
}
}
plg_end = moxie_analyze_prologue (func_addr,
func_end, &cache, gdbarch);
/* Found a function. */
- sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL);
+ sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL).symbol;
/* Don't use line number debug info for assembly source
files. */
if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
switch (opcode)
{
/* 16-bit instructions. */
- case 0x00: /* nop */
+ case 0x00: /* bad */
case 0x02: /* mov (register-to-register) */
case 0x05: /* add.l */
case 0x06: /* push */
case 0x0a: /* ld.l (register indirect) */
case 0x0b: /* st.l */
case 0x0e: /* cmp */
- case 0x0f:
- case 0x10:
- case 0x11:
- case 0x12:
- case 0x13:
- case 0x14:
- case 0x15:
+ case 0x0f: /* nop */
+ case 0x10: /* sex.b */
+ case 0x11: /* sex.s */
+ case 0x12: /* zex.b */
+ case 0x13: /* zex.s */
+ case 0x14: /* umul.x */
+ case 0x15: /* mul.x */
case 0x16:
case 0x17:
case 0x18:
insert_single_step_breakpoint (gdbarch, aspace, addr + 2);
break;
+ /* 32-bit instructions. */
+ case 0x0c: /* ldo.l */
+ case 0x0d: /* sto.l */
+ case 0x36: /* ldo.b */
+ case 0x37: /* sto.b */
+ case 0x38: /* ldo.s */
+ case 0x39: /* sto.s */
+ insert_single_step_breakpoint (gdbarch, aspace, addr + 4);
+ break;
+
/* 48-bit instructions. */
case 0x01: /* ldi.l (immediate) */
case 0x08: /* lda.l */
case 0x09: /* sta.l */
- case 0x0c: /* ldo.l */
- case 0x0d: /* sto.l */
case 0x1b: /* ldi.b (immediate) */
case 0x1d: /* lda.b */
case 0x1f: /* sta.b */
case 0x20: /* ldi.s (immediate) */
case 0x22: /* lda.s */
case 0x24: /* sta.s */
- case 0x36: /* ldo.b */
- case 0x37: /* sto.b */
- case 0x38: /* ldo.s */
- case 0x39: /* sto.s */
insert_single_step_breakpoint (gdbarch, aspace, addr + 6);
break;
static void
moxie_extract_return_value (struct type *type, struct regcache *regcache,
- void *dst)
+ gdb_byte *dst)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- bfd_byte *valbuf = dst;
int len = TYPE_LENGTH (type);
ULONGEST tmp;
/* By using store_unsigned_integer we avoid having to do
anything special for small big-endian values. */
regcache_cooked_read_unsigned (regcache, RET1_REGNUM, &tmp);
- store_unsigned_integer (valbuf, (len > 4 ? len - 4 : len), byte_order, tmp);
+ store_unsigned_integer (dst, (len > 4 ? len - 4 : len), byte_order, tmp);
/* Ignore return values more than 8 bytes in size because the moxie
returns anything more than 8 bytes in the stack. */
if (len > 4)
{
regcache_cooked_read_unsigned (regcache, RET1_REGNUM + 1, &tmp);
- store_unsigned_integer (valbuf + len - 4, 4, byte_order, tmp);
+ store_unsigned_integer (dst + len - 4, 4, byte_order, tmp);
}
}
int i;
if (*this_cache)
- return *this_cache;
+ return (struct moxie_frame_cache *) *this_cache;
cache = moxie_alloc_frame_cache ();
*this_cache = cache;
case 0x0d: /* sto.l */
{
int reg = (inst >> 4) & 0xf;
- uint32_t offset = (uint32_t) moxie_process_readu (addr+2, buf, 4,
- byte_order);
+ uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2,
+ byte_order)) << 16 ) >> 16;
regcache_raw_read (regcache, reg, (gdb_byte *) & tmpu32);
tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32,
4, byte_order);
return -1;
}
break;
- case 0x0f:
- case 0x10:
- case 0x11:
- case 0x12:
- case 0x13:
- case 0x14:
- case 0x15:
+ case 0x0f: /* nop */
+ {
+ /* Do nothing. */
+ break;
+ }
+ case 0x10: /* sex.b */
+ case 0x11: /* sex.s */
+ case 0x12: /* zex.b */
+ case 0x13: /* zex.s */
+ case 0x14: /* umul.x */
+ case 0x15: /* mul.x */
+ {
+ int reg = (inst >> 4) & 0xf;
+ if (record_full_arch_list_add_reg (regcache, reg))
+ return -1;
+ }
+ break;
case 0x16:
case 0x17:
case 0x18:
case 0x26: /* and */
case 0x27: /* lshr */
case 0x28: /* ashl */
- case 0x29: /* sub.l */
+ case 0x29: /* sub */
case 0x2a: /* neg */
case 0x2b: /* or */
case 0x2c: /* not */
case 0x2d: /* ashr */
case 0x2e: /* xor */
- case 0x2f: /* mul.l */
+ case 0x2f: /* mul */
{
int reg = (inst >> 4) & 0xf;
if (record_full_arch_list_add_reg (regcache, reg))
case 0x37: /* sto.b */
{
int reg = (inst >> 4) & 0xf;
- uint32_t offset = (uint32_t) moxie_process_readu (addr+2, buf, 4,
- byte_order);
+ uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2,
+ byte_order)) << 16 ) >> 16;
regcache_raw_read (regcache, reg, (gdb_byte *) & tmpu32);
tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32,
4, byte_order);
case 0x39: /* sto.s */
{
int reg = (inst >> 4) & 0xf;
- uint32_t offset = (uint32_t) moxie_process_readu (addr+2, buf, 4,
- byte_order);
+ uint32_t offset = (((int16_t) moxie_process_readu (addr+2, buf, 2,
+ byte_order)) << 16 ) >> 16;
regcache_raw_read (regcache, reg, (gdb_byte *) & tmpu32);
tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32,
4, byte_order);