/* Intel 386 target-dependent stuff.
- Copyright (C) 1988-2017 Free Software Foundation, Inc.
+ Copyright (C) 1988-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "command.h"
#include "dummy-frame.h"
#include "dwarf2-frame.h"
-#include "doublest.h"
#include "frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "symfile.h"
#include "symtab.h"
#include "target.h"
+#include "target-float.h"
#include "value.h"
#include "dis-asm.h"
#include "disasm.h"
#include "remote.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
-#include "x86-xstate.h"
+#include "common/x86-xstate.h"
+#include "x86-tdep.h"
#include "record.h"
#include "record-full.h"
}
/* This will hopefully provoke a warning. */
- return gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
+ return gdbarch_num_cooked_regs (gdbarch);
}
/* Convert SVR4 DWARF register number REG to the appropriate register number
int regnum = i386_svr4_dwarf_reg_to_regnum (gdbarch, reg);
if (regnum == -1)
- return gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
+ return gdbarch_num_cooked_regs (gdbarch);
return regnum;
}
cache = i386_alloc_frame_cache ();
*this_cache = cache;
- TRY
+ try
{
i386_frame_cache_1 (this_frame, cache);
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &ex)
{
if (ex.error != NOT_AVAILABLE_ERROR)
- throw_exception (ex);
+ throw;
}
- END_CATCH
return cache;
}
cache = i386_alloc_frame_cache ();
*this_cache = cache;
- TRY
+ try
{
cache->pc = get_frame_func (this_frame);
cache->base_p = 1;
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &ex)
{
if (ex.error != NOT_AVAILABLE_ERROR)
- throw_exception (ex);
+ throw;
}
- END_CATCH
return cache;
}
cache = i386_alloc_frame_cache ();
- TRY
+ try
{
get_frame_register (this_frame, I386_ESP_REGNUM, buf);
cache->base = extract_unsigned_integer (buf, 4, byte_order) - 4;
cache->base_p = 1;
}
- CATCH (ex, RETURN_MASK_ERROR)
+ catch (const gdb_exception_error &ex)
{
if (ex.error != NOT_AVAILABLE_ERROR)
- throw_exception (ex);
+ throw;
}
- END_CATCH
*this_cache = cache;
return cache;
static CORE_ADDR
i386_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
struct regcache *regcache, CORE_ADDR bp_addr, int nargs,
- struct value **args, CORE_ADDR sp, int struct_return,
+ struct value **args, CORE_ADDR sp,
+ function_call_return_method return_method,
CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
{
int args_space_used = 0;
- if (struct_return)
+ if (return_method == return_method_struct)
{
if (write_pass)
{
/* Finally, update the stack pointer... */
store_unsigned_integer (buf, 4, byte_order, sp);
- regcache_cooked_write (regcache, I386_ESP_REGNUM, buf);
+ regcache->cooked_write (I386_ESP_REGNUM, buf);
/* ...and fake a frame pointer. */
- regcache_cooked_write (regcache, I386_EBP_REGNUM, buf);
+ regcache->cooked_write (I386_EBP_REGNUM, buf);
/* MarkK wrote: This "+ 8" is all over the place:
(i386_frame_this_id, i386_sigtramp_frame_this_id,
its contents to the desired type. This is probably not
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, i387_ext_type (gdbarch), valbuf, type);
+ regcache->raw_read (I386_ST0_REGNUM, buf);
+ target_float_convert (buf, i387_ext_type (gdbarch), valbuf, type);
}
else
{
if (len <= low_size)
{
- regcache_raw_read (regcache, LOW_RETURN_REGNUM, buf);
+ regcache->raw_read (LOW_RETURN_REGNUM, buf);
memcpy (valbuf, buf, len);
}
else if (len <= (low_size + high_size))
{
- regcache_raw_read (regcache, LOW_RETURN_REGNUM, buf);
+ regcache->raw_read (LOW_RETURN_REGNUM, buf);
memcpy (valbuf, buf, low_size);
- regcache_raw_read (regcache, HIGH_RETURN_REGNUM, buf);
+ regcache->raw_read (HIGH_RETURN_REGNUM, buf);
memcpy (valbuf + low_size, buf, len - low_size);
}
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, i387_ext_type (gdbarch));
- regcache_raw_write (regcache, I386_ST0_REGNUM, buf);
+ target_float_convert (valbuf, type, buf, i387_ext_type (gdbarch));
+ regcache->raw_write (I386_ST0_REGNUM, buf);
/* Set the top of the floating-point register stack to 7. The
actual value doesn't really matter, but 7 is what a normal
int high_size = register_size (gdbarch, HIGH_RETURN_REGNUM);
if (len <= low_size)
- regcache_raw_write_part (regcache, LOW_RETURN_REGNUM, 0, len, valbuf);
+ regcache->raw_write_part (LOW_RETURN_REGNUM, 0, len, valbuf);
else if (len <= (low_size + high_size))
{
- regcache_raw_write (regcache, LOW_RETURN_REGNUM, valbuf);
- regcache_raw_write_part (regcache, HIGH_RETURN_REGNUM, 0,
- len - low_size, valbuf + low_size);
+ regcache->raw_write (LOW_RETURN_REGNUM, valbuf);
+ regcache->raw_write_part (HIGH_RETURN_REGNUM, 0, len - low_size,
+ valbuf + low_size);
}
else
internal_error (__FILE__, __LINE__,
the MMX registers need to be mapped onto floating point registers. */
static int
-i386_mmx_regnum_to_fp_regnum (struct regcache *regcache, int regnum)
+i386_mmx_regnum_to_fp_regnum (readable_regcache *regcache, int regnum)
{
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_regcache_arch (regcache));
+ struct gdbarch_tdep *tdep = gdbarch_tdep (regcache->arch ());
int mmxreg, fpreg;
ULONGEST fstat;
int tos;
mmxreg = regnum - tdep->mm0_regnum;
- regcache_raw_read_unsigned (regcache, I387_FSTAT_REGNUM (tdep), &fstat);
+ regcache->raw_read (I387_FSTAT_REGNUM (tdep), &fstat);
tos = (fstat >> 11) & 0x7;
fpreg = (mmxreg + tos) % 8;
void
i386_pseudo_register_read_into_value (struct gdbarch *gdbarch,
- struct regcache *regcache,
+ readable_regcache *regcache,
int regnum,
struct value *result_value)
{
int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
/* Extract (always little endian). */
- status = regcache_raw_read (regcache, fpnum, raw_buf);
+ status = regcache->raw_read (fpnum, raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0,
TYPE_LENGTH (value_type (result_value)));
regnum -= tdep->bnd0_regnum;
/* Extract (always little endian). Read lower 128bits. */
- status = regcache_raw_read (regcache,
- I387_BND0R_REGNUM (tdep) + regnum,
- raw_buf);
+ status = regcache->raw_read (I387_BND0R_REGNUM (tdep) + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 16);
else
regnum -= tdep->k0_regnum;
/* Extract (always little endian). */
- status = regcache_raw_read (regcache,
- tdep->k0_regnum + regnum,
- raw_buf);
+ status = regcache->raw_read (tdep->k0_regnum + regnum, raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 8);
else
if (regnum < num_lower_zmm_regs)
{
/* Extract (always little endian). Read lower 128bits. */
- status = regcache_raw_read (regcache,
- I387_XMM0_REGNUM (tdep) + regnum,
- raw_buf);
+ status = regcache->raw_read (I387_XMM0_REGNUM (tdep) + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 16);
else
memcpy (buf, raw_buf, 16);
/* Extract (always little endian). Read upper 128bits. */
- status = regcache_raw_read (regcache,
- tdep->ymm0h_regnum + regnum,
- raw_buf);
+ status = regcache->raw_read (tdep->ymm0h_regnum + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 16, 16);
else
else
{
/* Extract (always little endian). Read lower 128bits. */
- status = regcache_raw_read (regcache,
- I387_XMM16_REGNUM (tdep) + regnum
- - num_lower_zmm_regs,
- raw_buf);
+ status = regcache->raw_read (I387_XMM16_REGNUM (tdep) + regnum
+ - num_lower_zmm_regs,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 16);
else
memcpy (buf, raw_buf, 16);
/* Extract (always little endian). Read upper 128bits. */
- status = regcache_raw_read (regcache,
- I387_YMM16H_REGNUM (tdep) + regnum
- - num_lower_zmm_regs,
- raw_buf);
+ status = regcache->raw_read (I387_YMM16H_REGNUM (tdep) + regnum
+ - num_lower_zmm_regs,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 16, 16);
else
}
/* Read upper 256bits. */
- status = regcache_raw_read (regcache,
- tdep->zmm0h_regnum + regnum,
- raw_buf);
+ status = regcache->raw_read (tdep->zmm0h_regnum + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 32, 32);
else
regnum -= tdep->ymm0_regnum;
/* Extract (always little endian). Read lower 128bits. */
- status = regcache_raw_read (regcache,
- I387_XMM0_REGNUM (tdep) + regnum,
- raw_buf);
+ status = regcache->raw_read (I387_XMM0_REGNUM (tdep) + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 16);
else
memcpy (buf, raw_buf, 16);
/* Read upper 128bits. */
- status = regcache_raw_read (regcache,
- tdep->ymm0h_regnum + regnum,
- raw_buf);
+ status = regcache->raw_read (tdep->ymm0h_regnum + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 16, 32);
else
{
regnum -= tdep->ymm16_regnum;
/* Extract (always little endian). Read lower 128bits. */
- status = regcache_raw_read (regcache,
- I387_XMM16_REGNUM (tdep) + regnum,
- raw_buf);
+ status = regcache->raw_read (I387_XMM16_REGNUM (tdep) + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0, 16);
else
memcpy (buf, raw_buf, 16);
/* Read upper 128bits. */
- status = regcache_raw_read (regcache,
- tdep->ymm16h_regnum + regnum,
- raw_buf);
+ status = regcache->raw_read (tdep->ymm16h_regnum + regnum,
+ raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 16, 16);
else
int gpnum = regnum - tdep->ax_regnum;
/* Extract (always little endian). */
- status = regcache_raw_read (regcache, gpnum, raw_buf);
+ status = regcache->raw_read (gpnum, raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0,
TYPE_LENGTH (value_type (result_value)));
/* Extract (always little endian). We read both lower and
upper registers. */
- status = regcache_raw_read (regcache, gpnum % 4, raw_buf);
+ status = regcache->raw_read (gpnum % 4, raw_buf);
if (status != REG_VALID)
mark_value_bytes_unavailable (result_value, 0,
TYPE_LENGTH (value_type (result_value)));
static struct value *
i386_pseudo_register_read_value (struct gdbarch *gdbarch,
- struct regcache *regcache,
+ readable_regcache *regcache,
int regnum)
{
struct value *result;
int fpnum = i386_mmx_regnum_to_fp_regnum (regcache, regnum);
/* Read ... */
- regcache_raw_read (regcache, fpnum, raw_buf);
+ regcache->raw_read (fpnum, raw_buf);
/* ... Modify ... (always little endian). */
memcpy (raw_buf, buf, register_size (gdbarch, regnum));
/* ... Write. */
- regcache_raw_write (regcache, fpnum, raw_buf);
+ regcache->raw_write (fpnum, raw_buf);
}
else
{
upper = extract_unsigned_integer (buf + size, size, byte_order);
/* Fetching register buffer. */
- regcache_raw_read (regcache,
- I387_BND0R_REGNUM (tdep) + regnum,
- raw_buf);
+ regcache->raw_read (I387_BND0R_REGNUM (tdep) + regnum,
+ raw_buf);
upper = ~upper;
memcpy (raw_buf, &lower, 8);
memcpy (raw_buf + 8, &upper, 8);
-
- regcache_raw_write (regcache,
- I387_BND0R_REGNUM (tdep) + regnum,
- raw_buf);
+ regcache->raw_write (I387_BND0R_REGNUM (tdep) + regnum, raw_buf);
}
else if (i386_k_regnum_p (gdbarch, regnum))
{
regnum -= tdep->k0_regnum;
- regcache_raw_write (regcache,
- tdep->k0_regnum + regnum,
- buf);
+ regcache->raw_write (tdep->k0_regnum + regnum, buf);
}
else if (i386_zmm_regnum_p (gdbarch, regnum))
{
if (regnum < num_lower_zmm_regs)
{
/* Write lower 128bits. */
- regcache_raw_write (regcache,
- I387_XMM0_REGNUM (tdep) + regnum,
- buf);
+ regcache->raw_write (I387_XMM0_REGNUM (tdep) + regnum, buf);
/* Write upper 128bits. */
- regcache_raw_write (regcache,
- I387_YMM0_REGNUM (tdep) + regnum,
- buf + 16);
+ regcache->raw_write (I387_YMM0_REGNUM (tdep) + regnum, buf + 16);
}
else
{
/* Write lower 128bits. */
- regcache_raw_write (regcache,
- I387_XMM16_REGNUM (tdep) + regnum
- - num_lower_zmm_regs,
- buf);
+ regcache->raw_write (I387_XMM16_REGNUM (tdep) + regnum
+ - num_lower_zmm_regs, buf);
/* Write upper 128bits. */
- regcache_raw_write (regcache,
- I387_YMM16H_REGNUM (tdep) + regnum
- - num_lower_zmm_regs,
- buf + 16);
+ regcache->raw_write (I387_YMM16H_REGNUM (tdep) + regnum
+ - num_lower_zmm_regs, buf + 16);
}
/* Write upper 256bits. */
- regcache_raw_write (regcache,
- tdep->zmm0h_regnum + regnum,
- buf + 32);
+ regcache->raw_write (tdep->zmm0h_regnum + regnum, buf + 32);
}
else if (i386_ymm_regnum_p (gdbarch, regnum))
{
regnum -= tdep->ymm0_regnum;
/* ... Write lower 128bits. */
- regcache_raw_write (regcache,
- I387_XMM0_REGNUM (tdep) + regnum,
- buf);
+ regcache->raw_write (I387_XMM0_REGNUM (tdep) + regnum, buf);
/* ... Write upper 128bits. */
- regcache_raw_write (regcache,
- tdep->ymm0h_regnum + regnum,
- buf + 16);
+ regcache->raw_write (tdep->ymm0h_regnum + regnum, buf + 16);
}
else if (i386_ymm_avx512_regnum_p (gdbarch, regnum))
{
regnum -= tdep->ymm16_regnum;
/* ... Write lower 128bits. */
- regcache_raw_write (regcache,
- I387_XMM16_REGNUM (tdep) + regnum,
- buf);
+ regcache->raw_write (I387_XMM16_REGNUM (tdep) + regnum, buf);
/* ... Write upper 128bits. */
- regcache_raw_write (regcache,
- tdep->ymm16h_regnum + regnum,
- buf + 16);
+ regcache->raw_write (tdep->ymm16h_regnum + regnum, buf + 16);
}
else if (i386_word_regnum_p (gdbarch, regnum))
{
int gpnum = regnum - tdep->ax_regnum;
/* Read ... */
- regcache_raw_read (regcache, gpnum, raw_buf);
+ regcache->raw_read (gpnum, raw_buf);
/* ... Modify ... (always little endian). */
memcpy (raw_buf, buf, 2);
/* ... Write. */
- regcache_raw_write (regcache, gpnum, raw_buf);
+ regcache->raw_write (gpnum, raw_buf);
}
else if (i386_byte_regnum_p (gdbarch, regnum))
{
int gpnum = regnum - tdep->al_regnum;
/* Read ... We read both lower and upper registers. */
- regcache_raw_read (regcache, gpnum % 4, raw_buf);
+ regcache->raw_read (gpnum % 4, raw_buf);
/* ... Modify ... (always little endian). */
if (gpnum >= 4)
memcpy (raw_buf + 1, buf, 1);
else
memcpy (raw_buf, buf, 1);
/* ... Write. */
- regcache_raw_write (regcache, gpnum % 4, raw_buf);
+ regcache->raw_write (gpnum % 4, raw_buf);
}
else
internal_error (__FILE__, __LINE__, _("invalid regnum"));
i386_supply_gregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const gdb_byte *regs = (const gdb_byte *) gregs;
int i;
{
if ((regnum == i || regnum == -1)
&& tdep->gregset_reg_offset[i] != -1)
- regcache_raw_supply (regcache, i, regs + tdep->gregset_reg_offset[i]);
+ regcache->raw_supply (i, regs + tdep->gregset_reg_offset[i]);
}
}
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
gdb_byte *regs = (gdb_byte *) gregs;
int i;
{
if ((regnum == i || regnum == -1)
&& tdep->gregset_reg_offset[i] != -1)
- regcache_raw_collect (regcache, i, regs + tdep->gregset_reg_offset[i]);
+ regcache->raw_collect (i, regs + tdep->gregset_reg_offset[i]);
}
}
i386_supply_fpregset (const struct regset *regset, struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (len == I387_SIZEOF_FXSAVE)
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (len == I387_SIZEOF_FXSAVE)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- cb (".reg", tdep->sizeof_gregset, &i386_gregset, NULL, cb_data);
+ cb (".reg", tdep->sizeof_gregset, tdep->sizeof_gregset, &i386_gregset, NULL,
+ cb_data);
if (tdep->sizeof_fpregset)
- cb (".reg2", tdep->sizeof_fpregset, tdep->fpregset, NULL, cb_data);
+ cb (".reg2", tdep->sizeof_fpregset, tdep->sizeof_fpregset, tdep->fpregset,
+ NULL, cb_data);
}
\f
\f
+/* Implement the "in_indirect_branch_thunk" gdbarch function. */
+
+static bool
+i386_in_indirect_branch_thunk (struct gdbarch *gdbarch, CORE_ADDR pc)
+{
+ return x86_in_indirect_branch_thunk (pc, i386_register_names,
+ I386_EAX_REGNUM, I386_EIP_REGNUM);
+}
+
/* Generic ELF. */
void
i386_stap_is_single_operand);
set_gdbarch_stap_parse_special_token (gdbarch,
i386_stap_parse_special_token);
+
+ set_gdbarch_in_indirect_branch_thunk (gdbarch,
+ i386_in_indirect_branch_thunk);
}
/* System V Release 4 (SVR4). */
const struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
int fp_regnum_p, mmx_regnum_p, xmm_regnum_p, mxcsr_regnum_p,
ymm_regnum_p, ymmh_regnum_p, ymm_avx512_regnum_p, ymmh_avx512_regnum_p,
- bndr_regnum_p, bnd_regnum_p, k_regnum_p, zmm_regnum_p, zmmh_regnum_p,
- zmm_avx512_regnum_p, mpx_ctrl_regnum_p, xmm_avx512_regnum_p,
+ bndr_regnum_p, bnd_regnum_p, zmm_regnum_p, zmmh_regnum_p,
+ mpx_ctrl_regnum_p, xmm_avx512_regnum_p,
avx512_p, avx_p, sse_p, pkru_regnum_p;
/* Don't include pseudo registers, except for MMX, in any register
else if (ir.rm == 1)
break;
}
+ /* Fall through. */
case 3: /* lidt */
if (ir.mod == 3)
{
static int
i386_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr,
- char **msg)
+ std::string *msg)
{
int len, jumplen;
/* Return a bit of target-specific detail to add to the caller's
generic failure message. */
if (msg)
- *msg = xstrprintf (_("; instruction is only %d bytes long, "
- "need at least %d bytes for the jump"),
- len, jumplen);
+ *msg = string_printf (_("; instruction is only %d bytes long, "
+ "need at least %d bytes for the jump"),
+ len, jumplen);
return 0;
}
else
{
if (msg)
- *msg = NULL;
+ msg->clear ();
return 1;
}
}
const struct tdesc_feature *feature_core;
const struct tdesc_feature *feature_sse, *feature_avx, *feature_mpx,
- *feature_avx512, *feature_pkeys;
+ *feature_avx512, *feature_pkeys, *feature_segments;
int i, num_regs, valid_p;
if (! tdesc_has_registers (tdesc))
/* Try AVX512 registers. */
feature_avx512 = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx512");
+ /* Try segment base registers. */
+ feature_segments = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.segments");
+
/* Try PKEYS */
feature_pkeys = tdesc_find_feature (tdesc, "org.gnu.gdb.i386.pkeys");
tdep->mpx_register_names[i]);
}
+ if (feature_segments)
+ {
+ if (tdep->fsbase_regnum < 0)
+ tdep->fsbase_regnum = I386_FSBASE_REGNUM;
+ valid_p &= tdesc_numbered_register (feature_segments, tdesc_data,
+ tdep->fsbase_regnum, "fs_base");
+ valid_p &= tdesc_numbered_register (feature_segments, tdesc_data,
+ tdep->fsbase_regnum + 1, "gs_base");
+ }
+
if (feature_pkeys)
{
tdep->xcr0 |= X86_XSTATE_PKRU;
return valid_p;
}
+\f
+
+/* Implement the type_align gdbarch function. */
+
+static ULONGEST
+i386_type_align (struct gdbarch *gdbarch, struct type *type)
+{
+ type = check_typedef (type);
+
+ if (gdbarch_ptr_bit (gdbarch) == 32)
+ {
+ if ((TYPE_CODE (type) == TYPE_CODE_INT
+ || TYPE_CODE (type) == TYPE_CODE_FLT)
+ && TYPE_LENGTH (type) > 4)
+ return 4;
+
+ /* Handle x86's funny long double. */
+ if (TYPE_CODE (type) == TYPE_CODE_FLT
+ && gdbarch_long_double_bit (gdbarch) == TYPE_LENGTH (type) * 8)
+ return 4;
+ }
+
+ return 0;
+}
+
\f
/* Note: This is called for both i386 and amd64. */
tdep->record_regmap = i386_record_regmap;
- set_gdbarch_long_long_align_bit (gdbarch, 32);
+ set_gdbarch_type_align (gdbarch, i386_type_align);
/* The format used for `long double' on almost all i386 targets is
the i387 extended floating-point format. In fact, of all targets
/* Even though the default ABI only includes general-purpose registers,
floating-point registers and the SSE registers, we have to leave a
gap for the upper AVX, MPX and AVX512 registers. */
- set_gdbarch_num_regs (gdbarch, I386_PKEYS_NUM_REGS);
+ set_gdbarch_num_regs (gdbarch, I386_NUM_REGS);
set_gdbarch_gnu_triplet_regexp (gdbarch, i386_gnu_triplet_regexp);
/* Get the x86 target description from INFO. */
tdesc = info.target_desc;
if (! tdesc_has_registers (tdesc))
- tdesc = i386_target_description (X86_XSTATE_SSE_MASK);
+ tdesc = i386_target_description (X86_XSTATE_SSE_MASK, false);
tdep->tdesc = tdesc;
tdep->num_core_regs = I386_NUM_GREGS + I387_NUM_REGS;
tdep->pkru_regnum = -1;
tdep->num_pkeys_regs = 0;
+ /* No segment base registers. */
+ tdep->fsbase_regnum = -1;
+
tdesc_data = tdesc_data_alloc ();
set_gdbarch_relocate_instruction (gdbarch, i386_relocate_instruction);
/* Return the target description for a specified XSAVE feature mask. */
const struct target_desc *
-i386_target_description (uint64_t xcr0)
+i386_target_description (uint64_t xcr0, bool segments)
{
static target_desc *i386_tdescs \
- [2/*SSE*/][2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/] = {};
+ [2/*SSE*/][2/*AVX*/][2/*MPX*/][2/*AVX512*/][2/*PKRU*/][2/*segments*/] = {};
target_desc **tdesc;
tdesc = &i386_tdescs[(xcr0 & X86_XSTATE_SSE) ? 1 : 0]
[(xcr0 & X86_XSTATE_AVX) ? 1 : 0]
[(xcr0 & X86_XSTATE_MPX) ? 1 : 0]
[(xcr0 & X86_XSTATE_AVX512) ? 1 : 0]
- [(xcr0 & X86_XSTATE_PKRU) ? 1 : 0];
+ [(xcr0 & X86_XSTATE_PKRU) ? 1 : 0]
+ [segments ? 1 : 0];
if (*tdesc == NULL)
- *tdesc = i386_create_target_description (xcr0, false);
+ *tdesc = i386_create_target_description (xcr0, false, segments);
return *tdesc;
}
enum register_status regstatus;
rcache = get_current_regcache ();
- tdep = gdbarch_tdep (get_regcache_arch (rcache));
+ tdep = gdbarch_tdep (rcache->arch ());
regstatus = regcache_raw_read_unsigned (rcache, tdep->bndcfgu_regnum, &ret);
for (auto &a : xml_masks)
{
- auto tdesc = i386_target_description (a.mask);
+ auto tdesc = i386_target_description (a.mask, false);
selftests::record_xml_tdesc (a.xml, tdesc);
}
projects / deliverable / binutils-gdb.git / blobdiff