diff options
Diffstat (limited to 'gdb/symm-tdep.c')
| -rw-r--r-- | gdb/symm-tdep.c | 131 |
1 files changed, 71 insertions, 60 deletions
diff --git a/gdb/symm-tdep.c b/gdb/symm-tdep.c index aaf73e94a74..667fd64dcb2 100644 --- a/gdb/symm-tdep.c +++ b/gdb/symm-tdep.c @@ -1,21 +1,22 @@ /* Sequent Symmetry target interface, for GDB. Copyright (C) 1986, 1987, 1989, 1991, 1994 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* many 387-specific items of use taken from i386-dep.c */ @@ -34,60 +35,70 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <fcntl.h> void -symmetry_extract_return_value(type, regbuf, valbuf) +symmetry_extract_return_value (type, regbuf, valbuf) struct type *type; char *regbuf; char *valbuf; { - union { - double d; - int l[2]; - } xd; + union + { + double d; + int l[2]; + } + xd; struct minimal_symbol *msymbol; float f; - if (TYPE_CODE_FLT == TYPE_CODE(type)) { - msymbol = lookup_minimal_symbol ("1167_flt", NULL, NULL); - if (msymbol != NULL) { - /* found "1167_flt" means 1167, %fp2-%fp3 */ - /* float & double; 19= %fp2, 20= %fp3 */ - /* no single precision on 1167 */ - xd.l[1] = *((int *)®buf[REGISTER_BYTE(19)]); - xd.l[0] = *((int *)®buf[REGISTER_BYTE(20)]); - switch (TYPE_LENGTH(type)) { - case 4: - /* FIXME: broken for cross-debugging. */ - f = (float) xd.d; - memcpy (valbuf, &f, TYPE_LENGTH(type)); - break; - case 8: - /* FIXME: broken for cross-debugging. */ - memcpy (valbuf, &xd.d, TYPE_LENGTH(type)); - break; - default: - error("Unknown floating point size"); - break; - } - } else { - /* 387 %st(0), gcc uses this */ - i387_to_double(((int *)®buf[REGISTER_BYTE(3)]), - &xd.d); - switch (TYPE_LENGTH(type)) { - case 4: /* float */ - f = (float) xd.d; - /* FIXME: broken for cross-debugging. */ - memcpy (valbuf, &f, 4); - break; - case 8: /* double */ - /* FIXME: broken for cross-debugging. */ - memcpy (valbuf, &xd.d, 8); - break; - default: - error("Unknown floating point size"); - break; - } + if (TYPE_CODE_FLT == TYPE_CODE (type)) + { + msymbol = lookup_minimal_symbol ("1167_flt", NULL, NULL); + if (msymbol != NULL) + { + /* found "1167_flt" means 1167, %fp2-%fp3 */ + /* float & double; 19= %fp2, 20= %fp3 */ + /* no single precision on 1167 */ + xd.l[1] = *((int *) ®buf[REGISTER_BYTE (19)]); + xd.l[0] = *((int *) ®buf[REGISTER_BYTE (20)]); + switch (TYPE_LENGTH (type)) + { + case 4: + /* FIXME: broken for cross-debugging. */ + f = (float) xd.d; + memcpy (valbuf, &f, TYPE_LENGTH (type)); + break; + case 8: + /* FIXME: broken for cross-debugging. */ + memcpy (valbuf, &xd.d, TYPE_LENGTH (type)); + break; + default: + error ("Unknown floating point size"); + break; + } + } + else + { + /* 387 %st(0), gcc uses this */ + i387_to_double (((int *) ®buf[REGISTER_BYTE (3)]), + &xd.d); + switch (TYPE_LENGTH (type)) + { + case 4: /* float */ + f = (float) xd.d; + /* FIXME: broken for cross-debugging. */ + memcpy (valbuf, &f, 4); + break; + case 8: /* double */ + /* FIXME: broken for cross-debugging. */ + memcpy (valbuf, &xd.d, 8); + break; + default: + error ("Unknown floating point size"); + break; + } + } + } + else + { + memcpy (valbuf, regbuf, TYPE_LENGTH (type)); } - } else { - memcpy (valbuf, regbuf, TYPE_LENGTH (type)); - } } |