/* Class X87 and X87UP. */
class[0] = AMD64_X87, class[1] = AMD64_X87UP;
+ /* Arguments of complex T where T is one of the types float or
+ double get treated as if they are implemented as:
+
+ struct complexT {
+ T real;
+ T imag;
+ }; */
+ else if (code == TYPE_CODE_COMPLEX && len == 8)
+ class[0] = AMD64_SSE;
+ else if (code == TYPE_CODE_COMPLEX && len == 16)
+ class[0] = class[1] = AMD64_SSE;
+
+ /* A variable of type complex long double is classified as type
+ COMPLEX_X87. */
+ else if (code == TYPE_CODE_COMPLEX && len == 32)
+ class[0] = AMD64_COMPLEX_X87;
+
/* Aggregates. */
else if (code == TYPE_CODE_ARRAY || code == TYPE_CODE_STRUCT
|| code == TYPE_CODE_UNION)
return RETURN_VALUE_ABI_RETURNS_ADDRESS;
}
+ /* 8. If the class is COMPLEX_X87, the real part of the value is
+ returned in %st0 and the imaginary part in %st1. */
+ if (class[0] == AMD64_COMPLEX_X87)
+ {
+ if (readbuf)
+ {
+ regcache_raw_read (regcache, AMD64_ST0_REGNUM, readbuf);
+ regcache_raw_read (regcache, AMD64_ST1_REGNUM, readbuf + 16);
+ }
+
+ if (writebuf)
+ {
+ i387_return_value (gdbarch, regcache);
+ regcache_raw_write (regcache, AMD64_ST0_REGNUM, writebuf);
+ regcache_raw_write (regcache, AMD64_ST1_REGNUM, writebuf + 16);
+
+ /* Fix up the tag word such that both %st(0) and %st(1) are
+ marked as valid. */
+ regcache_raw_write_unsigned (regcache, AMD64_FTAG_REGNUM, 0xfff);
+ }
+
+ return RETURN_VALUE_REGISTER_CONVENTION;
+ }
+
gdb_assert (class[1] != AMD64_MEMORY);
gdb_assert (len <= 16);
/* Where "ret" in the original code will return to. */
ret_addr = oldloc + insn_length;
push_buf[0] = 0x68; /* pushq $... */
- memcpy (&push_buf[1], &ret_addr, 4);
+ store_unsigned_integer (&push_buf[1], 4, byte_order, ret_addr);
/* Push the push. */
append_insns (to, 5, push_buf);
tdesc = tdesc_x32;
tdep->tdesc = tdesc;
- tdep->sp_regnum_from_eax = AMD64_RSP_REGNUM;
- tdep->pc_regnum_from_eax = AMD64_RIP_REGNUM;
-
tdep->num_dword_regs = 17;
set_tdesc_pseudo_register_type (gdbarch, amd64_x32_pseudo_register_type);