CORE_ADDR from, CORE_ADDR to,
struct regcache *regs)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
/* The offset we applied to the instruction's address.
This could well be negative (when viewed as a signed 32-bit
value), but ULONGEST won't reflect that, so take care when
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
- "displaced: fixup (0x%s, 0x%s), "
+ "displaced: fixup (%s, %s), "
"insn = 0x%02x 0x%02x ...\n",
- paddr_nz (from), paddr_nz (to), insn[0], insn[1]);
+ paddress (gdbarch, from), paddress (gdbarch, to),
+ insn[0], insn[1]);
/* The list of issues to contend with here is taken from
resume_execution in arch/i386/kernel/kprobes.c, Linux 2.6.20.
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
"displaced: "
- "relocated %%eip from 0x%s to 0x%s\n",
- paddr_nz (orig_eip), paddr_nz (eip));
+ "relocated %%eip from %s to %s\n",
+ paddress (gdbarch, orig_eip),
+ paddress (gdbarch, eip));
}
}
const ULONGEST retaddr_len = 4;
regcache_cooked_read_unsigned (regs, I386_ESP_REGNUM, &esp);
- retaddr = read_memory_unsigned_integer (esp, retaddr_len);
+ retaddr = read_memory_unsigned_integer (esp, retaddr_len, byte_order);
retaddr = (retaddr - insn_offset) & 0xffffffffUL;
- write_memory_unsigned_integer (esp, retaddr_len, retaddr);
+ write_memory_unsigned_integer (esp, retaddr_len, byte_order, retaddr);
if (debug_displaced)
fprintf_unfiltered (gdb_stdlog,
- "displaced: relocated return addr at 0x%s "
- "to 0x%s\n",
- paddr_nz (esp),
- paddr_nz (retaddr));
+ "displaced: relocated return addr at %s to %s\n",
+ paddress (gdbarch, esp),
+ paddress (gdbarch, retaddr));
}
}
\f
target. Otherwise, return PC. */
static CORE_ADDR
-i386_follow_jump (CORE_ADDR pc)
+i386_follow_jump (struct gdbarch *gdbarch, CORE_ADDR pc)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte op;
long delta = 0;
int data16 = 0;
if (op == 0x66)
{
data16 = 1;
- op = read_memory_unsigned_integer (pc + 1, 1);
+ op = read_memory_unsigned_integer (pc + 1, 1, byte_order);
}
switch (op)
/* Relative jump: if data16 == 0, disp32, else disp16. */
if (data16)
{
- delta = read_memory_integer (pc + 2, 2);
+ delta = read_memory_integer (pc + 2, 2, byte_order);
/* Include the size of the jmp instruction (including the
0x66 prefix). */
}
else
{
- delta = read_memory_integer (pc + 1, 4);
+ delta = read_memory_integer (pc + 1, 4, byte_order);
/* Include the size of the jmp instruction. */
delta += 5;
break;
case 0xeb:
/* Relative jump, disp8 (ignore data16). */
- delta = read_memory_integer (pc + data16 + 1, 1);
+ delta = read_memory_integer (pc + data16 + 1, 1, byte_order);
delta += data16 + 2;
break;
whichever is smaller. If we don't recognize the code, return PC. */
static CORE_ADDR
-i386_analyze_frame_setup (CORE_ADDR pc, CORE_ADDR limit,
+i386_analyze_frame_setup (struct gdbarch *gdbarch,
+ CORE_ADDR pc, CORE_ADDR limit,
struct i386_frame_cache *cache)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct i386_insn *insn;
gdb_byte op;
int skip = 0;
switch (op)
{
case 0x8b:
- if (read_memory_unsigned_integer (pc + skip + 1, 1) != 0xec)
+ if (read_memory_unsigned_integer (pc + skip + 1, 1, byte_order)
+ != 0xec)
return pc;
break;
case 0x89:
- if (read_memory_unsigned_integer (pc + skip + 1, 1) != 0xe5)
+ if (read_memory_unsigned_integer (pc + skip + 1, 1, byte_order)
+ != 0xe5)
return pc;
break;
default:
if (op == 0x83)
{
/* `subl' with 8-bit immediate. */
- if (read_memory_unsigned_integer (pc + 1, 1) != 0xec)
+ if (read_memory_unsigned_integer (pc + 1, 1, byte_order) != 0xec)
/* Some instruction starting with 0x83 other than `subl'. */
return pc;
/* `subl' with signed 8-bit immediate (though it wouldn't
make sense to be negative). */
- cache->locals = read_memory_integer (pc + 2, 1);
+ cache->locals = read_memory_integer (pc + 2, 1, byte_order);
return pc + 3;
}
else if (op == 0x81)
{
/* Maybe it is `subl' with a 32-bit immediate. */
- if (read_memory_unsigned_integer (pc + 1, 1) != 0xec)
+ if (read_memory_unsigned_integer (pc + 1, 1, byte_order) != 0xec)
/* Some instruction starting with 0x81 other than `subl'. */
return pc;
/* It is `subl' with a 32-bit immediate. */
- cache->locals = read_memory_integer (pc + 2, 4);
+ cache->locals = read_memory_integer (pc + 2, 4, byte_order);
return pc + 6;
}
else
}
else if (op == 0xc8) /* enter */
{
- cache->locals = read_memory_unsigned_integer (pc + 1, 2);
+ cache->locals = read_memory_unsigned_integer (pc + 1, 2, byte_order);
return pc + 4;
}
instruction will be a branch back to the start. */
static CORE_ADDR
-i386_analyze_prologue (CORE_ADDR pc, CORE_ADDR current_pc,
+i386_analyze_prologue (struct gdbarch *gdbarch,
+ CORE_ADDR pc, CORE_ADDR current_pc,
struct i386_frame_cache *cache)
{
pc = i386_skip_noop (pc);
- pc = i386_follow_jump (pc);
+ pc = i386_follow_jump (gdbarch, pc);
pc = i386_analyze_struct_return (pc, current_pc, cache);
pc = i386_skip_probe (pc);
pc = i386_analyze_stack_align (pc, current_pc, cache);
- pc = i386_analyze_frame_setup (pc, current_pc, cache);
+ pc = i386_analyze_frame_setup (gdbarch, pc, current_pc, cache);
return i386_analyze_register_saves (pc, current_pc, cache);
}
static CORE_ADDR
i386_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
static gdb_byte pic_pat[6] =
{
0xe8, 0, 0, 0, 0, /* call 0x0 */
int i;
cache.locals = -1;
- pc = i386_analyze_prologue (start_pc, 0xffffffff, &cache);
+ pc = i386_analyze_prologue (gdbarch, start_pc, 0xffffffff, &cache);
if (cache.locals < 0)
return start_pc;
if (op == 0x89) /* movl %ebx, x(%ebp) */
{
- op = read_memory_unsigned_integer (pc + delta + 1, 1);
+ op = read_memory_unsigned_integer (pc + delta + 1, 1, byte_order);
if (op == 0x5d) /* One byte offset from %ebp. */
delta += 3;
/* addl y,%ebx */
if (delta > 0 && op == 0x81
- && read_memory_unsigned_integer (pc + delta + 1, 1) == 0xc3)
+ && read_memory_unsigned_integer (pc + delta + 1, 1, byte_order)
+ == 0xc3)
{
pc += delta + 6;
}
/* If the function starts with a branch (to startup code at the end)
the last instruction should bring us back to the first
instruction of the real code. */
- if (i386_follow_jump (start_pc) != start_pc)
- pc = i386_follow_jump (pc);
+ if (i386_follow_jump (gdbarch, start_pc) != start_pc)
+ pc = i386_follow_jump (gdbarch, pc);
return pc;
}
CORE_ADDR
i386_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte op;
target_read_memory (pc, &op, 1);
/* Make sure address is computed correctly as a 32bit
integer even if CORE_ADDR is 64 bit wide. */
struct minimal_symbol *s;
- CORE_ADDR call_dest = pc + 5 + extract_signed_integer (buf, 4);
+ CORE_ADDR call_dest;
+ call_dest = pc + 5 + extract_signed_integer (buf, 4, byte_order);
call_dest = call_dest & 0xffffffffU;
s = lookup_minimal_symbol_by_pc (call_dest);
if (s != NULL
static struct i386_frame_cache *
i386_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct i386_frame_cache *cache;
gdb_byte buf[4];
int i;
in progress when the signal occurred. */
get_frame_register (this_frame, I386_EBP_REGNUM, buf);
- cache->base = extract_unsigned_integer (buf, 4);
+ cache->base = extract_unsigned_integer (buf, 4, byte_order);
if (cache->base == 0)
return cache;
cache->pc = get_frame_func (this_frame);
if (cache->pc != 0)
- i386_analyze_prologue (cache->pc, get_frame_pc (this_frame), cache);
+ i386_analyze_prologue (gdbarch, cache->pc, get_frame_pc (this_frame),
+ cache);
if (cache->saved_sp_reg != -1)
{
/* Saved stack pointer has been saved. */
get_frame_register (this_frame, cache->saved_sp_reg, buf);
- cache->saved_sp = extract_unsigned_integer(buf, 4);
+ cache->saved_sp = extract_unsigned_integer (buf, 4, byte_order);
}
if (cache->locals < 0)
else
{
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
- cache->base = extract_unsigned_integer (buf, 4) + cache->sp_offset;
+ cache->base = extract_unsigned_integer (buf, 4, byte_order)
+ + cache->sp_offset;
}
}
NULL,
default_frame_sniffer
};
+
+/* Normal frames, but in a function epilogue. */
+
+/* The epilogue is defined here as the 'ret' instruction, which will
+ follow any instruction such as 'leave' or 'pop %ebp' that destroys
+ the function's stack frame. */
+
+static int
+i386_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
+{
+ gdb_byte insn;
+
+ if (target_read_memory (pc, &insn, 1))
+ return 0; /* Can't read memory at pc. */
+
+ if (insn != 0xc3) /* 'ret' instruction. */
+ return 0;
+
+ return 1;
+}
+
+static int
+i386_epilogue_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_prologue_cache)
+{
+ if (frame_relative_level (this_frame) == 0)
+ return i386_in_function_epilogue_p (get_frame_arch (this_frame),
+ get_frame_pc (this_frame));
+ else
+ return 0;
+}
+
+static struct i386_frame_cache *
+i386_epilogue_frame_cache (struct frame_info *this_frame, void **this_cache)
+{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ struct i386_frame_cache *cache;
+ gdb_byte buf[4];
+
+ if (*this_cache)
+ return *this_cache;
+
+ cache = i386_alloc_frame_cache ();
+ *this_cache = cache;
+
+ /* Cache base will be %esp plus cache->sp_offset (-4). */
+ get_frame_register (this_frame, I386_ESP_REGNUM, buf);
+ cache->base = extract_unsigned_integer (buf, 4,
+ byte_order) + cache->sp_offset;
+
+ /* Cache pc will be the frame func. */
+ cache->pc = get_frame_pc (this_frame);
+
+ /* The saved %esp will be at cache->base plus 8. */
+ cache->saved_sp = cache->base + 8;
+
+ /* The saved %eip will be at cache->base plus 4. */
+ cache->saved_regs[I386_EIP_REGNUM] = cache->base + 4;
+
+ return cache;
+}
+
+static void
+i386_epilogue_frame_this_id (struct frame_info *this_frame,
+ void **this_cache,
+ struct frame_id *this_id)
+{
+ struct i386_frame_cache *cache = i386_epilogue_frame_cache (this_frame,
+ this_cache);
+
+ (*this_id) = frame_id_build (cache->base + 8, cache->pc);
+}
+
+static const struct frame_unwind i386_epilogue_frame_unwind =
+{
+ NORMAL_FRAME,
+ i386_epilogue_frame_this_id,
+ i386_frame_prev_register,
+ NULL,
+ i386_epilogue_frame_sniffer
+};
\f
/* Signal trampolines. */
static struct i386_frame_cache *
i386_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct i386_frame_cache *cache;
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame));
CORE_ADDR addr;
gdb_byte buf[4];
cache = i386_alloc_frame_cache ();
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
- cache->base = extract_unsigned_integer (buf, 4) - 4;
+ cache->base = extract_unsigned_integer (buf, 4, byte_order) - 4;
addr = tdep->sigcontext_addr (this_frame);
if (tdep->sc_reg_offset)
gdb_byte buf[4];
CORE_ADDR sp, jb_addr;
struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int jb_pc_offset = gdbarch_tdep (gdbarch)->jb_pc_offset;
/* If JB_PC_OFFSET is -1, we have no way to find out where the
return 0;
get_frame_register (frame, I386_ESP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 4);
+ sp = extract_unsigned_integer (buf, 4, byte_order);
if (target_read_memory (sp + 4, buf, 4))
return 0;
- jb_addr = extract_unsigned_integer (buf, 4);
+ jb_addr = extract_unsigned_integer (buf, 4, byte_order);
if (target_read_memory (jb_addr + jb_pc_offset, buf, 4))
return 0;
- *pc = extract_unsigned_integer (buf, 4);
+ *pc = extract_unsigned_integer (buf, 4, byte_order);
return 1;
}
\f
struct value **args, CORE_ADDR sp, int struct_return,
CORE_ADDR struct_addr)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte buf[4];
int i;
int write_pass;
if (write_pass)
{
/* Push value address. */
- store_unsigned_integer (buf, 4, struct_addr);
+ store_unsigned_integer (buf, 4, byte_order, struct_addr);
write_memory (sp, buf, 4);
args_space_used += 4;
}
/* Store return address. */
sp -= 4;
- store_unsigned_integer (buf, 4, bp_addr);
+ store_unsigned_integer (buf, 4, byte_order, bp_addr);
write_memory (sp, buf, 4);
/* Finally, update the stack pointer... */
- store_unsigned_integer (buf, 4, sp);
+ store_unsigned_integer (buf, 4, byte_order, sp);
regcache_cooked_write (regcache, I386_ESP_REGNUM, buf);
/* ...and fake a frame pointer. */
exactly how it would happen on the target itself, but it is
the best we can do. */
regcache_raw_read (regcache, I386_ST0_REGNUM, buf);
- convert_typed_floating (buf, builtin_type_i387_ext, valbuf, type);
+ convert_typed_floating (buf, i387_ext_type (gdbarch), valbuf, type);
}
else
{
floating-point format used by the FPU. This is probably
not exactly how it would happen on the target itself, but
it is the best we can do. */
- convert_typed_floating (valbuf, type, buf, builtin_type_i387_ext);
+ convert_typed_floating (valbuf, type, buf, i387_ext_type (gdbarch));
regcache_raw_write (regcache, I386_ST0_REGNUM, buf);
/* Set the top of the floating-point register stack to 7. The
}
\f
-/* Type for %eflags. */
-struct type *i386_eflags_type;
+/* Construct types for ISA-specific registers. */
+struct type *
+i386_eflags_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (!tdep->i386_eflags_type)
+ {
+ struct type *type;
+
+ type = arch_flags_type (gdbarch, "builtin_type_i386_eflags", 4);
+ append_flags_type_flag (type, 0, "CF");
+ append_flags_type_flag (type, 1, NULL);
+ append_flags_type_flag (type, 2, "PF");
+ append_flags_type_flag (type, 4, "AF");
+ append_flags_type_flag (type, 6, "ZF");
+ append_flags_type_flag (type, 7, "SF");
+ append_flags_type_flag (type, 8, "TF");
+ append_flags_type_flag (type, 9, "IF");
+ append_flags_type_flag (type, 10, "DF");
+ append_flags_type_flag (type, 11, "OF");
+ append_flags_type_flag (type, 14, "NT");
+ append_flags_type_flag (type, 16, "RF");
+ append_flags_type_flag (type, 17, "VM");
+ append_flags_type_flag (type, 18, "AC");
+ append_flags_type_flag (type, 19, "VIF");
+ append_flags_type_flag (type, 20, "VIP");
+ append_flags_type_flag (type, 21, "ID");
+
+ tdep->i386_eflags_type = type;
+ }
-/* Type for %mxcsr. */
-struct type *i386_mxcsr_type;
+ return tdep->i386_eflags_type;
+}
-/* Construct types for ISA-specific registers. */
-static void
-i386_init_types (void)
+struct type *
+i386_mxcsr_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (!tdep->i386_mxcsr_type)
+ {
+ struct type *type;
+
+ type = arch_flags_type (gdbarch, "builtin_type_i386_mxcsr", 4);
+ append_flags_type_flag (type, 0, "IE");
+ append_flags_type_flag (type, 1, "DE");
+ append_flags_type_flag (type, 2, "ZE");
+ append_flags_type_flag (type, 3, "OE");
+ append_flags_type_flag (type, 4, "UE");
+ append_flags_type_flag (type, 5, "PE");
+ append_flags_type_flag (type, 6, "DAZ");
+ append_flags_type_flag (type, 7, "IM");
+ append_flags_type_flag (type, 8, "DM");
+ append_flags_type_flag (type, 9, "ZM");
+ append_flags_type_flag (type, 10, "OM");
+ append_flags_type_flag (type, 11, "UM");
+ append_flags_type_flag (type, 12, "PM");
+ append_flags_type_flag (type, 15, "FZ");
+
+ tdep->i386_mxcsr_type = type;
+ }
+
+ return tdep->i386_mxcsr_type;
+}
+
+struct type *
+i387_ext_type (struct gdbarch *gdbarch)
{
- struct type *type;
-
- type = init_flags_type ("builtin_type_i386_eflags", 4);
- append_flags_type_flag (type, 0, "CF");
- append_flags_type_flag (type, 1, NULL);
- append_flags_type_flag (type, 2, "PF");
- append_flags_type_flag (type, 4, "AF");
- append_flags_type_flag (type, 6, "ZF");
- append_flags_type_flag (type, 7, "SF");
- append_flags_type_flag (type, 8, "TF");
- append_flags_type_flag (type, 9, "IF");
- append_flags_type_flag (type, 10, "DF");
- append_flags_type_flag (type, 11, "OF");
- append_flags_type_flag (type, 14, "NT");
- append_flags_type_flag (type, 16, "RF");
- append_flags_type_flag (type, 17, "VM");
- append_flags_type_flag (type, 18, "AC");
- append_flags_type_flag (type, 19, "VIF");
- append_flags_type_flag (type, 20, "VIP");
- append_flags_type_flag (type, 21, "ID");
- i386_eflags_type = type;
-
- type = init_flags_type ("builtin_type_i386_mxcsr", 4);
- append_flags_type_flag (type, 0, "IE");
- append_flags_type_flag (type, 1, "DE");
- append_flags_type_flag (type, 2, "ZE");
- append_flags_type_flag (type, 3, "OE");
- append_flags_type_flag (type, 4, "UE");
- append_flags_type_flag (type, 5, "PE");
- append_flags_type_flag (type, 6, "DAZ");
- append_flags_type_flag (type, 7, "IM");
- append_flags_type_flag (type, 8, "DM");
- append_flags_type_flag (type, 9, "ZM");
- append_flags_type_flag (type, 10, "OM");
- append_flags_type_flag (type, 11, "UM");
- append_flags_type_flag (type, 12, "PM");
- append_flags_type_flag (type, 15, "FZ");
- i386_mxcsr_type = type;
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (!tdep->i387_ext_type)
+ tdep->i387_ext_type
+ = arch_float_type (gdbarch, -1, "builtin_type_i387_ext",
+ floatformats_i387_ext);
+
+ return tdep->i387_ext_type;
}
/* Construct vector type for MMX registers. */
if (!tdep->i386_mmx_type)
{
+ const struct builtin_type *bt = builtin_type (gdbarch);
+
/* The type we're building is this: */
#if 0
union __gdb_builtin_type_vec64i
struct type *t;
- t = init_composite_type ("__gdb_builtin_type_vec64i", TYPE_CODE_UNION);
- append_composite_type_field (t, "uint64", builtin_type_int64);
+ t = arch_composite_type (gdbarch,
+ "__gdb_builtin_type_vec64i", TYPE_CODE_UNION);
+
+ append_composite_type_field (t, "uint64", bt->builtin_int64);
append_composite_type_field (t, "v2_int32",
- init_vector_type (builtin_type_int32, 2));
+ init_vector_type (bt->builtin_int32, 2));
append_composite_type_field (t, "v4_int16",
- init_vector_type (builtin_type_int16, 4));
+ init_vector_type (bt->builtin_int16, 4));
append_composite_type_field (t, "v8_int8",
- init_vector_type (builtin_type_int8, 8));
+ init_vector_type (bt->builtin_int8, 8));
TYPE_VECTOR (t) = 1;
TYPE_NAME (t) = "builtin_type_vec64i";
if (!tdep->i386_sse_type)
{
+ const struct builtin_type *bt = builtin_type (gdbarch);
+
/* The type we're building is this: */
#if 0
union __gdb_builtin_type_vec128i
struct type *t;
- t = init_composite_type ("__gdb_builtin_type_vec128i", TYPE_CODE_UNION);
+ t = arch_composite_type (gdbarch,
+ "__gdb_builtin_type_vec128i", TYPE_CODE_UNION);
append_composite_type_field (t, "v4_float",
- init_vector_type (builtin_type (gdbarch)
- ->builtin_float, 4));
+ init_vector_type (bt->builtin_float, 4));
append_composite_type_field (t, "v2_double",
- init_vector_type (builtin_type (gdbarch)
- ->builtin_double, 2));
+ init_vector_type (bt->builtin_double, 2));
append_composite_type_field (t, "v16_int8",
- init_vector_type (builtin_type_int8, 16));
+ init_vector_type (bt->builtin_int8, 16));
append_composite_type_field (t, "v8_int16",
- init_vector_type (builtin_type_int16, 8));
+ init_vector_type (bt->builtin_int16, 8));
append_composite_type_field (t, "v4_int32",
- init_vector_type (builtin_type_int32, 4));
+ init_vector_type (bt->builtin_int32, 4));
append_composite_type_field (t, "v2_int64",
- init_vector_type (builtin_type_int64, 2));
- append_composite_type_field (t, "uint128", builtin_type_int128);
+ init_vector_type (bt->builtin_int64, 2));
+ append_composite_type_field (t, "uint128", bt->builtin_int128);
TYPE_VECTOR (t) = 1;
TYPE_NAME (t) = "builtin_type_vec128i";
return builtin_type (gdbarch)->builtin_func_ptr;
if (regnum == I386_EFLAGS_REGNUM)
- return i386_eflags_type;
+ return i386_eflags_type (gdbarch);
if (regnum == I386_EBP_REGNUM || regnum == I386_ESP_REGNUM)
return builtin_type (gdbarch)->builtin_data_ptr;
if (i386_fp_regnum_p (gdbarch, regnum))
- return builtin_type_i387_ext;
+ return i387_ext_type (gdbarch);
if (i386_mmx_regnum_p (gdbarch, regnum))
return i386_mmx_type (gdbarch);
return i386_sse_type (gdbarch);
if (regnum == I387_MXCSR_REGNUM (gdbarch_tdep (gdbarch)))
- return i386_mxcsr_type;
+ return i386_mxcsr_type (gdbarch);
return builtin_type (gdbarch)->builtin_int;
}
/* Stuff for WIN32 PE style DLL's but is pretty generic really. */
CORE_ADDR
-i386_pe_skip_trampoline_code (CORE_ADDR pc, char *name)
+i386_pe_skip_trampoline_code (struct frame_info *frame,
+ CORE_ADDR pc, char *name)
{
- if (pc && read_memory_unsigned_integer (pc, 2) == 0x25ff) /* jmp *(dest) */
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+
+ /* jmp *(dest) */
+ if (pc && read_memory_unsigned_integer (pc, 2, byte_order) == 0x25ff)
{
- unsigned long indirect = read_memory_unsigned_integer (pc + 2, 4);
+ unsigned long indirect =
+ read_memory_unsigned_integer (pc + 2, 4, byte_order);
struct minimal_symbol *indsym =
indirect ? lookup_minimal_symbol_by_pc (indirect) : 0;
char *symname = indsym ? SYMBOL_LINKAGE_NAME (indsym) : 0;
{
if (strncmp (symname, "__imp_", 6) == 0
|| strncmp (symname, "_imp_", 5) == 0)
- return name ? 1 : read_memory_unsigned_integer (indirect, 4);
+ return name ? 1 :
+ read_memory_unsigned_integer (indirect, 4, byte_order);
}
}
return 0; /* Not a trampoline. */
static CORE_ADDR
i386_svr4_sigcontext_addr (struct frame_info *this_frame)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte buf[4];
CORE_ADDR sp;
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 4);
+ sp = extract_unsigned_integer (buf, 4, byte_order);
- return read_memory_unsigned_integer (sp + 8, 4);
+ return read_memory_unsigned_integer (sp + 8, 4, byte_order);
}
\f
/* DJGPP does not support the SSE registers. */
tdep->num_xmm_regs = 0;
set_gdbarch_num_regs (gdbarch, I386_NUM_GREGS + I386_NUM_FREGS);
+
+ /* Native compiler is GCC, which uses the SVR4 register numbering
+ even in COFF and STABS. See the comment in i386_gdbarch_init,
+ before the calls to set_gdbarch_stab_reg_to_regnum and
+ set_gdbarch_sdb_reg_to_regnum. */
+ set_gdbarch_stab_reg_to_regnum (gdbarch, i386_svr4_reg_to_regnum);
+ set_gdbarch_sdb_reg_to_regnum (gdbarch, i386_svr4_reg_to_regnum);
}
\f
i386_fetch_pointer_argument (struct frame_info *frame, int argi,
struct type *type)
{
+ struct gdbarch *gdbarch = get_frame_arch (frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR sp = get_frame_register_unsigned (frame, I386_ESP_REGNUM);
- return read_memory_unsigned_integer (sp + (4 * (argi + 1)), 4);
+ return read_memory_unsigned_integer (sp + (4 * (argi + 1)), 4, byte_order);
}
static void
OT_BYTE = 0,
OT_WORD,
OT_LONG,
+ OT_QUAD,
};
/* i386 arith/logic operations */
struct i386_record_s
{
+ struct gdbarch *gdbarch;
struct regcache *regcache;
+ CORE_ADDR orig_addr;
CORE_ADDR addr;
int aflag;
int dflag;
uint8_t modrm;
uint8_t mod, reg, rm;
int ot;
+ uint8_t rex_x;
+ uint8_t rex_b;
+ int rip_offset;
+ int popl_esp_hack;
+ const int *regmap;
};
/* Parse "modrm" part in current memory address that irp->addr point to
static int
i386_record_modrm (struct i386_record_s *irp)
{
+ struct gdbarch *gdbarch = irp->gdbarch;
+
if (target_read_memory (irp->addr, &irp->modrm, 1))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
- "addr 0x%s len = 1.\n"),
- paddr_nz (irp->addr));
+ "addr %s len = 1.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr++;
Return -1 if something wrong. */
static int
-i386_record_lea_modrm_addr (struct i386_record_s *irp, uint32_t * addr)
+i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
{
+ struct gdbarch *gdbarch = irp->gdbarch;
uint8_t tmpu8;
- uint16_t tmpu16;
- uint32_t tmpu32;
+ int16_t tmpi16;
+ int32_t tmpi32;
+ ULONGEST tmpulongest;
*addr = 0;
if (irp->aflag)
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 1.\n"),
- paddr_nz (irp->addr));
+ "at addr %s len = 1.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr++;
scale = (tmpu8 >> 6) & 3;
- index = ((tmpu8 >> 3) & 7);
+ index = ((tmpu8 >> 3) & 7) | irp->rex_x;
base = (tmpu8 & 7);
}
+ base |= irp->rex_b;
switch (irp->mod)
{
if ((base & 7) == 5)
{
base = 0xff;
- if (target_read_memory (irp->addr, (gdb_byte *) addr, 4))
+ if (target_read_memory (irp->addr, (gdb_byte *) &tmpi32, 4))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading "
- "memory at addr 0x%s len = 4.\n"),
- paddr_nz (irp->addr));
+ "memory at addr %s len = 4.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr += 4;
+ *addr = tmpi32;
+ if (irp->regmap[X86_RECORD_R8_REGNUM] && !havesib)
+ *addr += irp->addr + irp->rip_offset;
}
else
{
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 1.\n"),
- paddr_nz (irp->addr));
+ "at addr %s len = 1.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr++;
*addr = (int8_t) tmpu8;
break;
case 2:
- if (target_read_memory (irp->addr, (gdb_byte *) addr, 4))
+ if (target_read_memory (irp->addr, (gdb_byte *) &tmpi32, 4))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 4.\n"),
- paddr_nz (irp->addr));
+ "at addr %s len = 4.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
+ *addr = tmpi32;
irp->addr += 4;
break;
}
+ tmpulongest = 0;
if (base != 0xff)
- {
- regcache_raw_read (irp->regcache, base, (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ {
+ if (base == 4 && irp->popl_esp_hack)
+ *addr += irp->popl_esp_hack;
+ regcache_raw_read_unsigned (irp->regcache, irp->regmap[base],
+ &tmpulongest);
}
+ if (irp->aflag == 2)
+ {
+ *addr += tmpulongest;
+ }
+ else
+ *addr = (uint32_t) (tmpulongest + *addr);
- /* XXX: index == 4 is always invalid */
if (havesib && (index != 4 || scale != 0))
{
- regcache_raw_read (irp->regcache, index, (gdb_byte *) & tmpu32);
- *addr += tmpu32 << scale;
+ regcache_raw_read_unsigned (irp->regcache, irp->regmap[index],
+ &tmpulongest);
+ if (irp->aflag == 2)
+ *addr += tmpulongest << scale;
+ else
+ *addr = (uint32_t) (*addr + (tmpulongest << scale));
}
}
else
if (irp->rm == 6)
{
if (target_read_memory
- (irp->addr, (gdb_byte *) & tmpu16, 2))
+ (irp->addr, (gdb_byte *) &tmpi16, 2))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading "
- "memory at addr 0x%s len = 2.\n"),
- paddr_nz (irp->addr));
+ "memory at addr %s len = 2.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr += 2;
- *addr = (int16_t) tmpu16;
+ *addr = tmpi16;
irp->rm = 0;
goto no_rm;
}
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 1.\n"),
- paddr_nz (irp->addr));
+ "at addr %s len = 1.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr++;
*addr = (int8_t) tmpu8;
break;
case 2:
- if (target_read_memory (irp->addr, (gdb_byte *) & tmpu16, 2))
+ if (target_read_memory (irp->addr, (gdb_byte *) &tmpi16, 2))
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 2.\n"),
- paddr_nz (irp->addr));
+ "at addr %s len = 2.\n"),
+ paddress (gdbarch, irp->addr));
return -1;
}
irp->addr += 2;
- *addr = (int16_t) tmpu16;
+ *addr = tmpi16;
break;
}
switch (irp->rm)
{
case 0:
- regcache_raw_read (irp->regcache, I386_EBX_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
- regcache_raw_read (irp->regcache, I386_ESI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBX_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_RESI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 1:
- regcache_raw_read (irp->regcache, I386_EBX_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
- regcache_raw_read (irp->regcache, I386_EDI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBX_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REDI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 2:
- regcache_raw_read (irp->regcache, I386_EBP_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
- regcache_raw_read (irp->regcache, I386_ESI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBP_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_RESI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 3:
- regcache_raw_read (irp->regcache, I386_EBP_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
- regcache_raw_read (irp->regcache, I386_EDI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBP_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REDI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 4:
- regcache_raw_read (irp->regcache, I386_ESI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_RESI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 5:
- regcache_raw_read (irp->regcache, I386_EDI_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REDI_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 6:
- regcache_raw_read (irp->regcache, I386_EBP_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBP_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
case 7:
- regcache_raw_read (irp->regcache, I386_EBX_REGNUM,
- (gdb_byte *) & tmpu32);
- *addr += tmpu32;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_REBX_REGNUM],
+ &tmpulongest);
+ *addr = (uint32_t) (*addr + tmpulongest);
break;
}
*addr &= 0xffff;
static int
i386_record_lea_modrm (struct i386_record_s *irp)
{
- uint32_t addr;
+ struct gdbarch *gdbarch = irp->gdbarch;
+ uint64_t addr;
- if (irp->override)
+ if (irp->override >= 0)
{
- if (record_debug)
- printf_unfiltered (_("Process record ignores the memory change "
- "of instruction at address 0x%s because it "
- "can't get the value of the segment register.\n"),
- paddr_nz (irp->addr));
+ warning (_("Process record ignores the memory change "
+ "of instruction at address %s because it "
+ "can't get the value of the segment register."),
+ paddress (gdbarch, irp->orig_addr));
return 0;
}
return 0;
}
+/* Record the push operation to "record_arch_list".
+ Return -1 if something wrong. */
+
+static int
+i386_record_push (struct i386_record_s *irp, int size)
+{
+ ULONGEST tmpulongest;
+
+ if (record_arch_list_add_reg (irp->regcache,
+ irp->regmap[X86_RECORD_RESP_REGNUM]))
+ return -1;
+ regcache_raw_read_unsigned (irp->regcache,
+ irp->regmap[X86_RECORD_RESP_REGNUM],
+ &tmpulongest);
+ if (record_arch_list_add_mem ((CORE_ADDR) tmpulongest - size, size))
+ return -1;
+
+ return 0;
+}
+
/* Parse the current instruction and record the values of the registers and
memory that will be changed in current instruction to "record_arch_list".
Return -1 if something wrong. */
-static int
+#define I386_RECORD_ARCH_LIST_ADD_REG(regnum) \
+ record_arch_list_add_reg (ir.regcache, ir.regmap[(regnum)])
+
+int
i386_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
CORE_ADDR addr)
{
uint8_t tmpu8;
uint16_t tmpu16;
uint32_t tmpu32;
+ ULONGEST tmpulongest;
uint32_t opcode;
struct i386_record_s ir;
+ int rex = 0;
+ uint8_t rex_w = -1;
+ uint8_t rex_r = 0;
memset (&ir, 0, sizeof (struct i386_record_s));
ir.regcache = regcache;
ir.addr = addr;
+ ir.orig_addr = addr;
ir.aflag = 1;
ir.dflag = 1;
+ ir.override = -1;
+ ir.popl_esp_hack = 0;
+ ir.regmap = gdbarch_tdep (gdbarch)->record_regmap;
+ ir.gdbarch = gdbarch;
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog, "Process record: i386_process_record "
- "addr = 0x%s\n",
- paddr_nz (ir.addr));
+ "addr = %s\n",
+ paddress (gdbarch, ir.addr));
/* prefixes */
while (1)
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
- "addr 0x%s len = 1.\n"),
- paddr_nz (ir.addr));
+ "addr %s len = 1.\n"),
+ paddress (gdbarch, ir.addr));
return -1;
}
ir.addr++;
prefixes |= PREFIX_LOCK;
break;
case 0x2e:
- ir.override = I386_CS_REGNUM;
+ ir.override = X86_RECORD_CS_REGNUM;
break;
case 0x36:
- ir.override = I386_SS_REGNUM;
+ ir.override = X86_RECORD_SS_REGNUM;
break;
case 0x3e:
- ir.override = I386_DS_REGNUM;
+ ir.override = X86_RECORD_DS_REGNUM;
break;
case 0x26:
- ir.override = I386_ES_REGNUM;
+ ir.override = X86_RECORD_ES_REGNUM;
break;
case 0x64:
- ir.override = I386_FS_REGNUM;
+ ir.override = X86_RECORD_FS_REGNUM;
break;
case 0x65:
- ir.override = I386_GS_REGNUM;
+ ir.override = X86_RECORD_GS_REGNUM;
break;
case 0x66:
prefixes |= PREFIX_DATA;
case 0x67:
prefixes |= PREFIX_ADDR;
break;
+ case 0x40: /* i386 inc %eax */
+ case 0x41: /* i386 inc %ecx */
+ case 0x42: /* i386 inc %edx */
+ case 0x43: /* i386 inc %ebx */
+ case 0x44: /* i386 inc %esp */
+ case 0x45: /* i386 inc %ebp */
+ case 0x46: /* i386 inc %esi */
+ case 0x47: /* i386 inc %edi */
+ case 0x48: /* i386 dec %eax */
+ case 0x49: /* i386 dec %ecx */
+ case 0x4a: /* i386 dec %edx */
+ case 0x4b: /* i386 dec %ebx */
+ case 0x4c: /* i386 dec %esp */
+ case 0x4d: /* i386 dec %ebp */
+ case 0x4e: /* i386 dec %esi */
+ case 0x4f: /* i386 dec %edi */
+ if (ir.regmap[X86_RECORD_R8_REGNUM]) /* 64 bit target */
+ {
+ /* REX */
+ rex = 1;
+ rex_w = (tmpu8 >> 3) & 1;
+ rex_r = (tmpu8 & 0x4) << 1;
+ ir.rex_x = (tmpu8 & 0x2) << 2;
+ ir.rex_b = (tmpu8 & 0x1) << 3;
+ }
+ else /* 32 bit target */
+ goto out_prefixes;
+ break;
default:
goto out_prefixes;
break;
}
}
out_prefixes:
- if (prefixes & PREFIX_DATA)
- ir.dflag ^= 1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && rex_w == 1)
+ {
+ ir.dflag = 2;
+ }
+ else
+ {
+ if (prefixes & PREFIX_DATA)
+ ir.dflag ^= 1;
+ }
if (prefixes & PREFIX_ADDR)
ir.aflag ^= 1;
+ else if (ir.regmap[X86_RECORD_R8_REGNUM])
+ ir.aflag = 2;
/* now check op code */
opcode = (uint32_t) tmpu8;
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory at "
- "addr 0x%s len = 1.\n"),
- paddr_nz (ir.addr));
+ "addr %s len = 1.\n"),
+ paddress (gdbarch, ir.addr));
return -1;
}
ir.addr++;
}
else
{
- if (ir.ot == OT_BYTE)
+ ir.rm |= ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
break;
/* OP Gv, Ev */
case 1:
if (i386_record_modrm (&ir))
return -1;
- if (ir.ot == OT_BYTE)
+ ir.reg |= rex_r;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
break;
/* OP A, Iv */
case 2:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
break;
}
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* GRP1 */
if (ir.mod != 3)
{
+ if (opcode == 0x83)
+ ir.rip_offset = 1;
+ else
+ ir.rip_offset = (ir.ot > OT_LONG) ? 4 : (1 << ir.ot);
if (i386_record_lea_modrm (&ir))
return -1;
}
else
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* inv */
case 0x4d:
case 0x4e:
case 0x4f:
- if (record_arch_list_add_reg (ir.regcache, opcode & 7))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (opcode & 7);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* GRP3 */
if (i386_record_modrm (&ir))
return -1;
+ if (ir.mod != 3 && ir.reg == 0)
+ ir.rip_offset = (ir.ot > OT_LONG) ? 4 : (1 << ir.ot);
+
switch (ir.reg)
{
/* test */
case 0:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* not */
case 2:
- if (ir.mod != 3)
- {
- if (i386_record_lea_modrm (&ir))
- return -1;
- }
- else
- {
- if (ir.ot == OT_BYTE)
- ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
- break;
/* neg */
case 3:
if (ir.mod != 3)
}
else
{
- if (ir.ot == OT_BYTE)
+ ir.rm |= ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ /* neg */
+ if (ir.reg == 3)
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* mul */
case 4:
case 6:
/* idiv */
case 7:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
if (ir.ot != OT_BYTE)
- {
- if (record_arch_list_add_reg (ir.regcache, I386_EDX_REGNUM))
- return -1;
- }
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
default:
ir.addr -= 2;
case 0xfe:
/* GRP5 */
case 0xff:
- if ((opcode & 1) == 0)
- ir.ot = OT_BYTE;
- else
- ir.ot = ir.dflag + OT_WORD;
if (i386_record_modrm (&ir))
return -1;
if (ir.reg >= 2 && opcode == 0xfe)
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
-
switch (ir.reg)
{
/* inc */
case 0:
/* dec */
case 1:
+ if ((opcode & 1) == 0)
+ ir.ot = OT_BYTE;
+ else
+ ir.ot = ir.dflag + OT_WORD;
if (ir.mod != 3)
{
if (i386_record_lea_modrm (&ir))
}
else
{
- if (ir.ot == OT_BYTE)
+ ir.rm |= ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* call */
case 2:
- /* push */
- case 6:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 1)), (1 << (ir.dflag + 1))))
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* lcall */
case 3:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_CS_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 2)), (1 << (ir.dflag + 2))))
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_CS_REGNUM);
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* jmp */
case 4:
/* ljmp */
case 5:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ break;
+ /* push */
+ case 6:
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
break;
default:
ir.addr -= 2;
case 0x85:
case 0xa8:
case 0xa9:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* CWDE/CBW */
case 0x98:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
break;
/* CDQ/CWD */
case 0x99:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EDX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDX_REGNUM);
break;
/* imul */
ir.ot = ir.dflag + OT_WORD;
if (i386_record_modrm (&ir))
return -1;
- if (ir.ot == OT_BYTE)
+ if (opcode == 0x69)
+ ir.rip_offset = (ir.ot > OT_LONG) ? 4 : (1 << ir.ot);
+ else if (opcode == 0x6b)
+ ir.rip_offset = 1;
+ ir.reg |= rex_r;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* xadd */
ir.ot = ir.dflag + OT_WORD;
if (i386_record_modrm (&ir))
return -1;
+ ir.reg |= rex_r;
if (ir.mod == 3)
{
- if (ir.ot == OT_BYTE)
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
- if (ir.ot == OT_BYTE)
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
else
{
if (i386_record_lea_modrm (&ir))
return -1;
- if (ir.ot == OT_BYTE)
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* cmpxchg */
return -1;
if (ir.mod == 3)
{
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (ir.ot == OT_BYTE)
+ ir.reg |= rex_r;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
}
else
{
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
if (i386_record_lea_modrm (&ir))
return -1;
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* cmpxchg8b */
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EDX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDX_REGNUM);
if (i386_record_lea_modrm (&ir))
return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* push */
case 0x57:
case 0x68:
case 0x6a:
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
+ break;
+
/* push es */
case 0x06:
/* push cs */
case 0x16:
/* push ds */
case 0x1e:
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
+ break;
+
/* push fs */
case 0x0fa0:
/* push gs */
case 0x0fa8:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 2;
+ goto no_support;
+ }
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 1)), (1 << (ir.dflag + 1))))
+ break;
+
+ /* pusha */
+ case 0x60:
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ if (i386_record_push (&ir, 1 << (ir.dflag + 4)))
return -1;
break;
case 0x5d:
case 0x5e:
case 0x5f:
- ir.ot = ir.dflag + OT_WORD;
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (ir.ot == OT_BYTE)
- opcode &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, opcode & 0x7))
- return -1;
- break;
-
- /* pusha */
- case 0x60:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 4)), (1 << (ir.dflag + 4))))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG ((opcode & 0x7) | ir.rex_b);
break;
/* popa */
case 0x61:
- for (tmpu8 = I386_EAX_REGNUM; tmpu8 <= I386_EDI_REGNUM; tmpu8++)
- {
- if (record_arch_list_add_reg (ir.regcache, tmpu8))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
}
+ for (tmpu8 = X86_RECORD_REAX_REGNUM; tmpu8 <= X86_RECORD_REDI_REGNUM;
+ tmpu8++)
+ I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
break;
/* pop */
case 0x8f:
- ir.ot = ir.dflag + OT_WORD;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ ir.ot = ir.dflag ? OT_QUAD : OT_WORD;
+ else
+ ir.ot = ir.dflag + OT_WORD;
if (i386_record_modrm (&ir))
return -1;
if (ir.mod == 3)
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
else
{
+ ir.popl_esp_hack = 1 << ir.ot;
if (i386_record_lea_modrm (&ir))
return -1;
}
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
break;
/* enter */
case 0xc8:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EBP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 1)), (1 << (ir.dflag + 1))))
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REBP_REGNUM);
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
return -1;
break;
/* leave */
case 0xc9:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EBP_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REBP_REGNUM);
break;
/* pop es */
case 0x07:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_ES_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_ES_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* pop ss */
case 0x17:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_SS_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_SS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* pop ds */
case 0x1f:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_DS_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_DS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* pop fs */
case 0x0fa1:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_FS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_FS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* pop gs */
case 0x0fa9:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_GS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_GS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* mov */
if (ir.mod != 3)
{
+ if (opcode == 0xc6 || opcode == 0xc7)
+ ir.rip_offset = (ir.ot > OT_LONG) ? 4 : (1 << ir.ot);
if (i386_record_lea_modrm (&ir))
return -1;
}
else
{
- if (ir.ot == OT_BYTE)
+ if (opcode == 0xc6 || opcode == 0xc7)
+ ir.rm |= ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
break;
+
/* mov */
case 0x8a:
case 0x8b:
ir.ot = OT_BYTE;
else
ir.ot = ir.dflag + OT_WORD;
-
if (i386_record_modrm (&ir))
return -1;
-
- if (ir.ot == OT_BYTE)
+ ir.reg |= rex_r;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
+ break;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
+ /* mov seg */
+ case 0x8c:
+ if (i386_record_modrm (&ir))
return -1;
+ if (ir.reg > 5)
+ {
+ ir.addr -= 2;
+ opcode = opcode << 8 | ir.modrm;
+ goto no_support;
+ }
+
+ if (ir.mod == 3)
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
+ else
+ {
+ ir.ot = OT_WORD;
+ if (i386_record_lea_modrm (&ir))
+ return -1;
+ }
break;
/* mov seg */
case 0x8e:
if (i386_record_modrm (&ir))
return -1;
-
switch (ir.reg)
{
case 0:
- tmpu8 = I386_ES_REGNUM;
+ tmpu8 = X86_RECORD_ES_REGNUM;
break;
case 2:
- tmpu8 = I386_SS_REGNUM;
+ tmpu8 = X86_RECORD_SS_REGNUM;
break;
case 3:
- tmpu8 = I386_DS_REGNUM;
+ tmpu8 = X86_RECORD_DS_REGNUM;
break;
case 4:
- tmpu8 = I386_FS_REGNUM;
+ tmpu8 = X86_RECORD_FS_REGNUM;
break;
case 5:
- tmpu8 = I386_GS_REGNUM;
+ tmpu8 = X86_RECORD_GS_REGNUM;
break;
default:
ir.addr -= 2;
goto no_support;
break;
}
- if (record_arch_list_add_reg (ir.regcache, tmpu8))
- return -1;
-
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
- break;
-
- /* mov seg */
- case 0x8c:
- if (i386_record_modrm (&ir))
- return -1;
- if (ir.reg > 5)
- {
- ir.addr -= 2;
- opcode = opcode << 8 | ir.modrm;
- goto no_support;
- }
-
- if (ir.mod == 3)
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
- else
- {
- ir.ot = OT_WORD;
- if (i386_record_lea_modrm (&ir))
- return -1;
- }
-
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* movzbS */
case 0x0fbf:
if (i386_record_modrm (&ir))
return -1;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg | rex_r);
break;
/* lea */
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
-
ir.ot = ir.dflag;
- if (ir.ot == OT_BYTE)
+ ir.reg |= rex_r;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
break;
/* mov EAX */
case 0xa1:
/* xlat */
case 0xd7:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
break;
/* mov EAX */
case 0xa2:
case 0xa3:
- {
- uint32_t addr;
-
- if (ir.override)
- {
- if (record_debug)
- printf_unfiltered (_("Process record ignores the memory change "
- "of instruction at address 0x%s because "
- "it can't get the value of the segment "
- "register.\n"),
- paddr_nz (ir.addr));
- }
- else
- {
- if ((opcode & 1) == 0)
- ir.ot = OT_BYTE;
- else
- ir.ot = ir.dflag + OT_WORD;
- if (ir.aflag)
- {
- if (target_read_memory
- (ir.addr, (gdb_byte *) & addr, 4))
- {
- if (record_debug)
- printf_unfiltered (_("Process record: error reading "
- "memory at addr 0x%s len = 4.\n"),
- paddr_nz (ir.addr));
- return -1;
- }
- ir.addr += 4;
- }
- else
- {
- if (target_read_memory
- (ir.addr, (gdb_byte *) & tmpu16, 4))
- {
- if (record_debug)
- printf_unfiltered (_("Process record: error reading "
- "memory at addr 0x%s len = 4.\n"),
- paddr_nz (ir.addr));
- return -1;
- }
- ir.addr += 2;
- addr = tmpu16;
- }
- if (record_arch_list_add_mem (addr, 1 << ir.ot))
- return -1;
- }
- }
+ if (ir.override >= 0)
+ {
+ warning (_("Process record ignores the memory change "
+ "of instruction at address 0x%s because "
+ "it can't get the value of the segment "
+ "register."),
+ paddress (gdbarch, ir.orig_addr));
+ }
+ else
+ {
+ if ((opcode & 1) == 0)
+ ir.ot = OT_BYTE;
+ else
+ ir.ot = ir.dflag + OT_WORD;
+ if (ir.aflag == 2)
+ {
+ if (target_read_memory (ir.addr, (gdb_byte *) &addr, 8))
+ {
+ if (record_debug)
+ printf_unfiltered (_("Process record: error reading "
+ "memory at addr 0x%s len = 8.\n"),
+ paddress (gdbarch, ir.addr));
+ return -1;
+ }
+ ir.addr += 8;
+ }
+ else if (ir.aflag)
+ {
+ if (target_read_memory (ir.addr, (gdb_byte *) &tmpu32, 4))
+ {
+ if (record_debug)
+ printf_unfiltered (_("Process record: error reading "
+ "memory at addr 0x%s len = 4.\n"),
+ paddress (gdbarch, ir.addr));
+ return -1;
+ }
+ ir.addr += 4;
+ addr = tmpu32;
+ }
+ else
+ {
+ if (target_read_memory (ir.addr, (gdb_byte *) &tmpu16, 2))
+ {
+ if (record_debug)
+ printf_unfiltered (_("Process record: error reading "
+ "memory at addr 0x%s len = 2.\n"),
+ paddress (gdbarch, ir.addr));
+ return -1;
+ }
+ ir.addr += 2;
+ addr = tmpu16;
+ }
+ if (record_arch_list_add_mem (addr, 1 << ir.ot))
+ return -1;
+ }
break;
/* mov R, Ib */
case 0xb5:
case 0xb6:
case 0xb7:
- if (record_arch_list_add_reg (ir.regcache, (opcode & 0x7) & 0x3))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG ((ir.regmap[X86_RECORD_R8_REGNUM])
+ ? ((opcode & 0x7) | ir.rex_b)
+ : ((opcode & 0x7) & 0x3));
break;
/* mov R, Iv */
case 0xbd:
case 0xbe:
case 0xbf:
- if (record_arch_list_add_reg (ir.regcache, opcode & 0x7))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG ((opcode & 0x7) | ir.rex_b);
break;
/* xchg R, EAX */
case 0x95:
case 0x96:
case 0x97:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, opcode & 0x7))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (opcode & 0x7);
break;
/* xchg Ev, Gv */
ir.ot = OT_BYTE;
else
ir.ot = ir.dflag + OT_WORD;
-
if (i386_record_modrm (&ir))
return -1;
-
if (ir.mod == 3)
{
- if (ir.ot == OT_BYTE)
+ ir.rm != ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
else
{
if (i386_record_lea_modrm (&ir))
return -1;
}
-
- if (ir.ot == OT_BYTE)
+ ir.reg |= rex_r;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
break;
/* les Gv */
case 0xc4:
/* lds Gv */
case 0xc5:
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
/* lss Gv */
case 0x0fb2:
/* lfs Gv */
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
-
switch (opcode)
{
/* les Gv */
case 0xc4:
- tmpu8 = I386_ES_REGNUM;
+ tmpu8 = X86_RECORD_ES_REGNUM;
break;
/* lds Gv */
case 0xc5:
- tmpu8 = I386_DS_REGNUM;
+ tmpu8 = X86_RECORD_DS_REGNUM;
break;
/* lss Gv */
case 0x0fb2:
- tmpu8 = I386_SS_REGNUM;
+ tmpu8 = X86_RECORD_SS_REGNUM;
break;
/* lfs Gv */
case 0x0fb4:
- tmpu8 = I386_FS_REGNUM;
+ tmpu8 = X86_RECORD_FS_REGNUM;
break;
/* lgs Gv */
case 0x0fb5:
- tmpu8 = I386_GS_REGNUM;
+ tmpu8 = X86_RECORD_GS_REGNUM;
break;
}
- if (record_arch_list_add_reg (ir.regcache, tmpu8))
- return -1;
-
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (tmpu8);
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg | rex_r);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* shifts */
ir.ot = OT_BYTE;
else
ir.ot = ir.dflag + OT_WORD;
-
if (i386_record_modrm (&ir))
return -1;
-
if (ir.mod != 3 && (opcode == 0xd2 || opcode == 0xd3))
{
if (i386_record_lea_modrm (&ir))
}
else
{
- if (ir.ot == OT_BYTE)
+ ir.rm |= ir.rex_b;
+ if (ir.ot == OT_BYTE && !ir.regmap[X86_RECORD_R8_REGNUM])
ir.rm &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm);
}
-
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
case 0x0fa4:
if (ir.mod != 3)
{
/* memory */
- uint32_t addr;
+ uint64_t tmpu64;
- if (i386_record_lea_modrm_addr (&ir, &addr))
+ if (i386_record_lea_modrm_addr (&ir, &tmpu64))
return -1;
switch (ir.reg)
{
switch (ir.reg >> 4)
{
case 0:
- if (record_arch_list_add_mem (addr, 4))
+ if (record_arch_list_add_mem (tmpu64, 4))
return -1;
break;
case 2:
- if (record_arch_list_add_mem (addr, 8))
+ if (record_arch_list_add_mem (tmpu64, 8))
return -1;
break;
case 3:
default:
- if (record_arch_list_add_mem (addr, 2))
+ if (record_arch_list_add_mem (tmpu64, 2))
return -1;
break;
}
{
case 0:
case 1:
- if (record_arch_list_add_mem (addr, 4))
+ if (record_arch_list_add_mem (tmpu64, 4))
return -1;
break;
case 2:
- if (record_arch_list_add_mem (addr, 8))
+ if (record_arch_list_add_mem (tmpu64, 8))
return -1;
break;
case 3:
default:
- if (record_arch_list_add_mem (addr, 2))
+ if (record_arch_list_add_mem (tmpu64, 2))
return -1;
break;
}
case 0x0e:
if (ir.dflag)
{
- if (record_arch_list_add_mem (addr, 28))
+ if (record_arch_list_add_mem (tmpu64, 28))
return -1;
}
else
{
- if (record_arch_list_add_mem (addr, 14))
+ if (record_arch_list_add_mem (tmpu64, 14))
return -1;
}
break;
case 0x0f:
case 0x2f:
- if (record_arch_list_add_mem (addr, 2))
+ if (record_arch_list_add_mem (tmpu64, 2))
return -1;
break;
case 0x1f:
case 0x3e:
- if (record_arch_list_add_mem (addr, 10))
+ if (record_arch_list_add_mem (tmpu64, 10))
return -1;
break;
case 0x2e:
if (ir.dflag)
{
- if (record_arch_list_add_mem (addr, 28))
+ if (record_arch_list_add_mem (tmpu64, 28))
return -1;
- addr += 28;
+ tmpu64 += 28;
}
else
{
- if (record_arch_list_add_mem (addr, 14))
+ if (record_arch_list_add_mem (tmpu64, 14))
return -1;
- addr += 14;
+ tmpu64 += 14;
}
- if (record_arch_list_add_mem (addr, 80))
+ if (record_arch_list_add_mem (tmpu64, 80))
return -1;
break;
case 0x3f:
- if (record_arch_list_add_mem (addr, 8))
+ if (record_arch_list_add_mem (tmpu64, 8))
return -1;
break;
default:
/* insS */
case 0x6c:
case 0x6d:
- {
- uint32_t addr;
-
- if ((opcode & 1) == 0)
- ir.ot = OT_BYTE;
- else
- ir.ot = ir.dflag + OT_WORD;
- if (opcode == 0xa4 || opcode == 0xa5)
- {
- if (record_arch_list_add_reg (ir.regcache, I386_ESI_REGNUM))
- return -1;
- }
- if (record_arch_list_add_reg (ir.regcache, I386_EDI_REGNUM))
- return -1;
-
- regcache_raw_read (ir.regcache, I386_EDI_REGNUM,
- (gdb_byte *) & addr);
- if (!ir.aflag)
- {
- addr &= 0xffff;
- /* addr += ((uint32_t)read_register (I386_ES_REGNUM)) << 4; */
- if (record_debug)
- printf_unfiltered (_("Process record ignores the memory change "
- "of instruction at address 0x%s because "
- "it can't get the value of the segment "
- "register.\n"),
- paddr_nz (ir.addr));
- }
-
- if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
- {
- uint32_t count;
-
- regcache_raw_read (ir.regcache, I386_ECX_REGNUM,
- (gdb_byte *) & count);
- if (!ir.aflag)
- count &= 0xffff;
-
- regcache_raw_read (ir.regcache, I386_EFLAGS_REGNUM,
- (gdb_byte *) & tmpu32);
- if ((tmpu32 >> 10) & 0x1)
- addr -= (count - 1) * (1 << ir.ot);
+ regcache_raw_read_unsigned (ir.regcache,
+ ir.regmap[X86_RECORD_RECX_REGNUM],
+ &tmpulongest);
+ if (tmpulongest)
+ {
+ ULONGEST es, ds;
- if (ir.aflag)
- {
- if (record_arch_list_add_mem (addr, count * (1 << ir.ot)))
- return -1;
- }
+ if ((opcode & 1) == 0)
+ ir.ot = OT_BYTE;
+ else
+ ir.ot = ir.dflag + OT_WORD;
+ regcache_raw_read_unsigned (ir.regcache,
+ ir.regmap[X86_RECORD_REDI_REGNUM],
+ &tmpulongest);
+
+ regcache_raw_read_unsigned (ir.regcache,
+ ir.regmap[X86_RECORD_ES_REGNUM],
+ &es);
+ regcache_raw_read_unsigned (ir.regcache,
+ ir.regmap[X86_RECORD_DS_REGNUM],
+ &ds);
+ if (ir.aflag && (es != ds))
+ {
+ /* addr += ((uint32_t) read_register (I386_ES_REGNUM)) << 4; */
+ warning (_("Process record ignores the memory "
+ "change of instruction at address 0x%s "
+ "because it can't get the value of the "
+ "ES segment register."),
+ paddress (gdbarch, ir.orig_addr));
+ }
+ else
+ {
+ if (record_arch_list_add_mem (tmpulongest, 1 << ir.ot))
+ return -1;
+ }
+
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ if (opcode == 0xa4 || opcode == 0xa5)
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESI_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDI_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ }
+ break;
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- }
- else
- {
- if (ir.aflag)
- {
- if (record_arch_list_add_mem (addr, 1 << ir.ot))
- return -1;
- }
- }
- }
+ /* cmpsS */
+ case 0xa6:
+ case 0xa7:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDI_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESI_REGNUM);
+ if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* lodsS */
case 0xac:
case 0xad:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_ESI_REGNUM))
- return -1;
- if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
- {
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- }
- break;
-
- /* outsS */
- case 0x6e:
- case 0x6f:
- if (record_arch_list_add_reg (ir.regcache, I386_ESI_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESI_REGNUM);
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
- {
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* scasS */
case 0xae:
case 0xaf:
- if (record_arch_list_add_reg (ir.regcache, I386_EDI_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDI_REGNUM);
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
- {
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- }
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
- /* cmpsS */
- case 0xa6:
- case 0xa7:
- if (record_arch_list_add_reg (ir.regcache, I386_EDI_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_ESI_REGNUM))
- return -1;
+ /* outsS */
+ case 0x6e:
+ case 0x6f:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESI_REGNUM);
if (prefixes & (PREFIX_REPZ | PREFIX_REPNZ))
- {
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- }
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* port I/O */
case 0xe5:
case 0xec:
case 0xed:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
break;
case 0xe6:
case 0xc2:
/* ret */
case 0xc3:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ break;
+
/* lret im */
case 0xca:
/* lret */
case 0xcb:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_CS_REGNUM))
- return -1;
- break;
-
/* iret */
case 0xcf:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_CS_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_CS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* call im */
case 0xe8:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 1)), (1 << (ir.dflag + 1))))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
break;
/* lcall im */
case 0x9a:
- if (record_arch_list_add_reg (ir.regcache, I386_CS_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 2)), (1 << (ir.dflag + 2))))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_CS_REGNUM);
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
break;
/* jmp im */
case 0x0f9d:
case 0x0f9e:
case 0x0f9f:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
ir.ot = OT_BYTE;
if (i386_record_modrm (&ir))
return -1;
if (ir.mod == 3)
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm & 0x3))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rex_b ? (ir.rm | ir.rex_b)
+ : (ir.rm & 0x3));
else
{
if (i386_record_lea_modrm (&ir))
case 0x0f4f:
if (i386_record_modrm (&ir))
return -1;
+ ir.reg |= rex_r;
if (ir.dflag == OT_BYTE)
ir.reg &= 0x3;
- if (record_arch_list_add_reg (ir.regcache, ir.reg & 0x3))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg);
break;
/* flags */
/* pushf */
case 0x9c:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- regcache_raw_read (ir.regcache, I386_ESP_REGNUM,
- (gdb_byte *) & tmpu32);
- if (record_arch_list_add_mem
- ((CORE_ADDR) tmpu32 - (1 << (ir.dflag + 1)), (1 << (ir.dflag + 1))))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ if (ir.regmap[X86_RECORD_R8_REGNUM] && ir.dflag)
+ ir.dflag = 2;
+ if (i386_record_push (&ir, 1 << (ir.dflag + 1)))
+ return -1;
break;
/* popf */
case 0x9d:
- if (record_arch_list_add_reg (ir.regcache, I386_ESP_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RESP_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* sahf */
case 0x9e:
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
/* cmc */
case 0xf5:
/* clc */
case 0xfc:
/* std */
case 0xfd:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* lahf */
case 0x9f:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
break;
/* bit operations */
/* bt/bts/btr/btc Gv, im */
case 0x0fba:
- /* bts */
- case 0x0fab:
- /* btr */
- case 0x0fb3:
- /* btc */
- case 0x0fbb:
ir.ot = ir.dflag + OT_WORD;
if (i386_record_modrm (&ir))
return -1;
if (ir.reg < 4)
{
- ir.addr -= 3;
+ ir.addr -= 2;
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
- ir.reg -= 4;
- if (ir.reg != 0)
+ if (ir.reg != 4)
{
- if (ir.mod != 3)
- {
- if (i386_record_lea_modrm (&ir))
- return -1;
- }
+ if (ir.mod == 3)
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
else
{
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
+ if (i386_record_lea_modrm (&ir))
return -1;
}
}
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* bt Gv, Ev */
case 0x0fa3:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ break;
+
+ /* bts */
+ case 0x0fab:
+ /* btr */
+ case 0x0fb3:
+ /* btc */
+ case 0x0fbb:
+ ir.ot = ir.dflag + OT_WORD;
+ if (i386_record_modrm (&ir))
+ return -1;
+ if (ir.mod == 3)
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
+ else
+ {
+ uint64_t tmpu64;
+ if (i386_record_lea_modrm_addr (&ir, &tmpu64))
+ return -1;
+ regcache_raw_read_unsigned (ir.regcache,
+ ir.regmap[ir.reg | rex_r],
+ &tmpulongest);
+ switch (ir.dflag)
+ {
+ case 0:
+ tmpu64 += ((int16_t) tmpulongest >> 4) << 4;
+ break;
+ case 1:
+ tmpu64 += ((int32_t) tmpulongest >> 5) << 5;
+ break;
+ case 2:
+ tmpu64 += ((int64_t) tmpulongest >> 6) << 6;
+ break;
+ }
+ if (record_arch_list_add_mem (tmpu64, 1 << ir.ot))
+ return -1;
+ if (i386_record_lea_modrm (&ir))
+ return -1;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* bsf */
case 0x0fbc:
/* bsr */
case 0x0fbd:
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg | rex_r);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* bcd */
case 0xd4:
/* aad */
case 0xd5:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* misc */
{
if (record_debug)
printf_unfiltered (_("Process record: error reading memory "
- "at addr 0x%s len = 1.\n"),
- paddr_nz (ir.addr));
+ "at addr %s len = 1.\n"),
+ paddress (gdbarch, ir.addr));
return -1;
}
ir.addr++;
case 0x0fcd:
case 0x0fce:
case 0x0fcf:
- if (record_arch_list_add_reg (ir.regcache, opcode & 7))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG ((opcode & 7) | ir.rex_b);
break;
/* salc */
case 0xd6:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 1;
+ goto no_support;
+ }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* loopnz */
case 0xe2:
/* jecxz */
case 0xe3:
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* wrmsr */
case 0x0f34:
{
int ret;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ ir.addr -= 2;
+ goto no_support;
+ }
if (gdbarch_tdep (gdbarch)->i386_sysenter_record == NULL)
{
printf_unfiltered (_("Process record doesn't support "
goto no_support;
break;
+ /* syscall */
+ case 0x0f05:
+ {
+ int ret;
+ if (gdbarch_tdep (gdbarch)->i386_syscall_record == NULL)
+ {
+ printf_unfiltered (_("Process record doesn't support "
+ "instruction syscall.\n"));
+ ir.addr -= 2;
+ goto no_support;
+ }
+ ret = gdbarch_tdep (gdbarch)->i386_syscall_record (ir.regcache);
+ if (ret)
+ return ret;
+ }
+ break;
+
+ /* sysret */
+ case 0x0f07:
+ printf_unfiltered (_("Process record doesn't support "
+ "instruction sysret.\n"));
+ ir.addr -= 2;
+ goto no_support;
+ break;
+
/* cpuid */
case 0x0fa2:
- if (record_arch_list_add_reg (ir.regcache, I386_EAX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_ECX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EDX_REGNUM))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EBX_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REAX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_RECX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REDX_REGNUM);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REBX_REGNUM);
break;
/* hlt */
/* str */
case 1:
if (ir.mod == 3)
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
else
{
ir.ot = OT_WORD;
case 4:
/* verw */
case 5:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
default:
ir.addr -= 3;
/* sgdt */
case 0:
{
- uint32_t addr;
+ uint64_t tmpu64;
if (ir.mod == 3)
{
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
-
- if (ir.override)
+ if (ir.override >= 0)
{
- if (record_debug)
- printf_unfiltered (_("Process record ignores the memory "
- "change of instruction at "
- "address 0x%s because it can't get "
- "the value of the segment "
- "register.\n"),
- paddr_nz (ir.addr));
+ warning (_("Process record ignores the memory "
+ "change of instruction at "
+ "address %s because it can't get "
+ "the value of the segment "
+ "register."),
+ paddress (gdbarch, ir.orig_addr));
}
else
{
- if (i386_record_lea_modrm_addr (&ir, &addr))
- return -1;
- if (record_arch_list_add_mem (addr, 2))
+ if (i386_record_lea_modrm_addr (&ir, &tmpu64))
return -1;
- addr += 2;
- if (record_arch_list_add_mem (addr, 4))
+ if (record_arch_list_add_mem (tmpu64, 2))
return -1;
+ tmpu64 += 2;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ if (record_arch_list_add_mem (tmpu64, 8))
+ return -1;
+ }
+ else
+ {
+ if (record_arch_list_add_mem (tmpu64, 4))
+ return -1;
+ }
}
}
break;
break;
/* mwait */
case 1:
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
default:
ir.addr -= 3;
else
{
/* sidt */
- if (ir.override)
+ if (ir.override >= 0)
{
- if (record_debug)
- printf_unfiltered (_("Process record ignores the memory "
- "change of instruction at "
- "address 0x%s because it can't get "
- "the value of the segment "
- "register.\n"),
- paddr_nz (ir.addr));
+ warning (_("Process record ignores the memory "
+ "change of instruction at "
+ "address %s because it can't get "
+ "the value of the segment "
+ "register."),
+ paddress (gdbarch, ir.orig_addr));
}
else
{
- uint32_t addr;
+ uint64_t tmpu64;
- if (i386_record_lea_modrm_addr (&ir, &addr))
+ if (i386_record_lea_modrm_addr (&ir, &tmpu64))
return -1;
- if (record_arch_list_add_mem (addr, 2))
+ if (record_arch_list_add_mem (tmpu64, 2))
return -1;
addr += 2;
- if (record_arch_list_add_mem (addr, 4))
- return -1;
+ if (ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ if (record_arch_list_add_mem (tmpu64, 8))
+ return -1;
+ }
+ else
+ {
+ if (record_arch_list_add_mem (tmpu64, 4))
+ return -1;
+ }
}
}
break;
case 2:
/* lidt */
case 3:
- /* invlpg */
- case 7:
- default:
if (ir.mod == 3)
{
ir.addr -= 3;
case 4:
if (ir.mod == 3)
{
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
+ if (record_arch_list_add_reg (ir.regcache, ir.rm | ir.rex_b))
return -1;
}
else
if (i386_record_lea_modrm (&ir))
return -1;
}
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* lmsw */
case 6:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ break;
+ /* invlpg */
+ case 7:
+ if (ir.mod == 3)
+ {
+ if (ir.rm == 0 && ir.regmap[X86_RECORD_R8_REGNUM])
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_GS_REGNUM);
+ else
+ {
+ ir.addr -= 3;
+ opcode = opcode << 8 | ir.modrm;
+ goto no_support;
+ }
+ }
+ else
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
+ break;
+ default:
+ ir.addr -= 3;
+ opcode = opcode << 8 | ir.modrm;
+ goto no_support;
break;
}
break;
/* arpl */
case 0x63:
- ir.ot = ir.dflag ? OT_LONG : OT_WORD;
if (i386_record_modrm (&ir))
return -1;
- if (ir.mod != 3)
- {
- if (i386_record_lea_modrm (&ir))
- return -1;
- }
+ if (ir.mod == 3 || ir.regmap[X86_RECORD_R8_REGNUM])
+ {
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.regmap[X86_RECORD_R8_REGNUM]
+ ? (ir.reg | rex_r) : ir.rm);
+ }
else
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ {
+ ir.ot = ir.dflag ? OT_LONG : OT_WORD;
+ if (i386_record_lea_modrm (&ir))
+ return -1;
+ }
+ if (!ir.regmap[X86_RECORD_R8_REGNUM])
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* lar */
case 0x0f03:
if (i386_record_modrm (&ir))
return -1;
- if (record_arch_list_add_reg (ir.regcache, ir.reg))
- return -1;
- if (record_arch_list_add_reg (ir.regcache, I386_EFLAGS_REGNUM))
- return -1;
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.reg | rex_r);
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
case 0x0f18:
+ if (i386_record_modrm (&ir))
+ return -1;
+ if (ir.mod == 3 && ir.reg == 3)
+ {
+ ir.addr -= 3;
+ opcode = opcode << 8 | ir.modrm;
+ goto no_support;
+ }
break;
/* nop (multi byte) */
return -1;
if ((ir.modrm & 0xc0) != 0xc0)
{
- ir.addr -= 2;
+ ir.addr -= 3;
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
case 4:
case 8:
if (opcode & 2)
- {
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
else
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
break;
default:
- ir.addr -= 2;
+ ir.addr -= 3;
opcode = opcode << 8 | ir.modrm;
goto no_support;
break;
if ((ir.modrm & 0xc0) != 0xc0 || ir.reg == 4
|| ir.reg == 5 || ir.reg >= 8)
{
- ir.addr -= 2;
+ ir.addr -= 3;
opcode = opcode << 8 | ir.modrm;
goto no_support;
}
if (opcode & 2)
- {
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
else
- {
- if (record_arch_list_add_reg (ir.regcache, ir.rm))
- return -1;
- }
+ I386_RECORD_ARCH_LIST_ADD_REG (ir.rm | ir.rex_b);
break;
/* clts */
case 0x0f06:
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_EFLAGS_REGNUM);
break;
/* MMX/SSE/SSE2/PNI support */
break;
}
-/* In the future, Maybe still need to deal with need_dasm */
- if (record_arch_list_add_reg (ir.regcache, I386_EIP_REGNUM))
- return -1;
+ /* In the future, maybe still need to deal with need_dasm. */
+ I386_RECORD_ARCH_LIST_ADD_REG (X86_RECORD_REIP_REGNUM);
if (record_arch_list_add_end ())
return -1;
no_support:
printf_unfiltered (_("Process record doesn't support instruction 0x%02x "
- "at address 0x%s.\n"),
- (unsigned int) (opcode), paddr_nz (ir.addr));
+ "at address %s.\n"),
+ (unsigned int) (opcode), paddress (gdbarch, ir.addr));
return -1;
}
+static const int i386_record_regmap[] =
+{
+ I386_EAX_REGNUM, I386_ECX_REGNUM, I386_EDX_REGNUM, I386_EBX_REGNUM,
+ I386_ESP_REGNUM, I386_EBP_REGNUM, I386_ESI_REGNUM, I386_EDI_REGNUM,
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ I386_EIP_REGNUM, I386_EFLAGS_REGNUM, I386_CS_REGNUM, I386_SS_REGNUM,
+ I386_DS_REGNUM, I386_ES_REGNUM, I386_FS_REGNUM, I386_GS_REGNUM
+};
+
\f
static struct gdbarch *
i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
tdep->sc_pc_offset = -1;
tdep->sc_sp_offset = -1;
+ tdep->record_regmap = i386_record_regmap;
+
/* The format used for `long double' on almost all i386 targets is
the i387 extended floating-point format. In fact, of all targets
in the GCC 2.95 tree, only OSF/1 does it different, and insists
/* Helper for function argument information. */
set_gdbarch_fetch_pointer_argument (gdbarch, i386_fetch_pointer_argument);
- /* Hook in the DWARF CFI frame unwinder. */
+ /* Hook the function epilogue frame unwinder. This unwinder is
+ appended to the list first, so that it supercedes the Dwarf
+ unwinder in function epilogues (where the Dwarf unwinder
+ currently fails). */
+ frame_unwind_append_unwinder (gdbarch, &i386_epilogue_frame_unwind);
+
+ /* Hook in the DWARF CFI frame unwinder. This unwinder is appended
+ to the list before the prologue-based unwinders, so that Dwarf
+ CFI info will be used if it is available. */
dwarf2_append_unwinders (gdbarch);
frame_base_set_default (gdbarch, &i386_frame_base);
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
+ /* Hook in the legacy prologue-based unwinders last (fallback). */
frame_unwind_append_unwinder (gdbarch, &i386_sigtramp_frame_unwind);
frame_unwind_append_unwinder (gdbarch, &i386_frame_unwind);
set_gdbarch_skip_permanent_breakpoint (gdbarch,
i386_skip_permanent_breakpoint);
- set_gdbarch_process_record (gdbarch, i386_process_record);
-
return gdbarch;
}
gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_GO32,
i386_go32_init_abi);
- /* Initialize the i386-specific register groups & types. */
+ /* Initialize the i386-specific register groups. */
i386_init_reggroups ();
- i386_init_types();
}
projects / deliverable / binutils-gdb.git / blobdiff