include/ChangeLog:
2010-07-06 Ken Werner <ken.werner@de.ibm.com> * floatformat.h (floatformat_ieee_half_big): Add declaration. (floatformat_ieee_half_little): Likewise. libiberty/ChangeLog: 2010-07-06 Ken Werner <ken.werner@de.ibm.com> * floatformat.c (floatformat_ieee_half_big): New variable. (floatformat_ieee_half_little): Likewise. gdb/ChangeLog: 2010-07-06 Ken Werner <ken.werner@de.ibm.com> * gdbtypes.h (floatformats_ieee_half): Add declaration. * gdbtypes.c (floatformats_ieee_half): New variable. * doublest.c (floatformat_from_length): Set format to gdbarch_half_format if length matches. * gdbarch.sh (half_bit): New architecture method. (half_format): Likewise. * gdbarch.h: Regenerate. * gdbarch.c: Likewise.
This commit is contained in:
Ulrich Weigand
parent
50248c890f
commit
f9e9243aad
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@ -1,3 +1,14 @@
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2010-07-06 Ken Werner <ken.werner@de.ibm.com>
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* gdbtypes.h (floatformats_ieee_half): Add declaration.
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* gdbtypes.c (floatformats_ieee_half): New variable.
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* doublest.c (floatformat_from_length): Set format to
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gdbarch_half_format if length matches.
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* gdbarch.sh (half_bit): New architecture method.
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(half_format): Likewise.
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* gdbarch.h: Regenerate.
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* gdbarch.c: Likewise.
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2010-07-05 Jan Kratochvil <jan.kratochvil@redhat.com>
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Joel Brobecker <brobecker@adacore.com>
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@ -777,7 +777,10 @@ floatformat_from_length (struct gdbarch *gdbarch, int len)
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{
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const struct floatformat *format;
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if (len * TARGET_CHAR_BIT == gdbarch_float_bit (gdbarch))
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if (len * TARGET_CHAR_BIT == gdbarch_half_bit (gdbarch))
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format = gdbarch_half_format (gdbarch)
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[gdbarch_byte_order (gdbarch)];
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else if (len * TARGET_CHAR_BIT == gdbarch_float_bit (gdbarch))
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format = gdbarch_float_format (gdbarch)
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[gdbarch_byte_order (gdbarch)];
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else if (len * TARGET_CHAR_BIT == gdbarch_double_bit (gdbarch))
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@ -145,6 +145,8 @@ struct gdbarch
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int int_bit;
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int long_bit;
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int long_long_bit;
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int half_bit;
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const struct floatformat ** half_format;
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int float_bit;
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const struct floatformat ** float_format;
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int double_bit;
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@ -293,6 +295,8 @@ struct gdbarch startup_gdbarch =
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8 * sizeof (int), /* int_bit */
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8 * sizeof (long), /* long_bit */
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8 * sizeof (LONGEST), /* long_long_bit */
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16, /* half_bit */
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0, /* half_format */
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8 * sizeof (float), /* float_bit */
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0, /* float_format */
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8 * sizeof (double), /* double_bit */
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@ -451,6 +455,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
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gdbarch->int_bit = 4*TARGET_CHAR_BIT;
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gdbarch->long_bit = 4*TARGET_CHAR_BIT;
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gdbarch->long_long_bit = 2*gdbarch->long_bit;
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gdbarch->half_bit = 2*TARGET_CHAR_BIT;
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gdbarch->float_bit = 4*TARGET_CHAR_BIT;
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gdbarch->double_bit = 8*TARGET_CHAR_BIT;
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gdbarch->long_double_bit = 8*TARGET_CHAR_BIT;
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@ -562,6 +567,9 @@ verify_gdbarch (struct gdbarch *gdbarch)
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/* Skip verify of int_bit, invalid_p == 0 */
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/* Skip verify of long_bit, invalid_p == 0 */
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/* Skip verify of long_long_bit, invalid_p == 0 */
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/* Skip verify of half_bit, invalid_p == 0 */
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if (gdbarch->half_format == 0)
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gdbarch->half_format = floatformats_ieee_half;
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/* Skip verify of float_bit, invalid_p == 0 */
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if (gdbarch->float_format == 0)
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gdbarch->float_format = floatformats_ieee_single;
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@ -934,6 +942,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
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fprintf_unfiltered (file,
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"gdbarch_dump: get_syscall_number = <%s>\n",
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host_address_to_string (gdbarch->get_syscall_number));
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fprintf_unfiltered (file,
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"gdbarch_dump: half_bit = %s\n",
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plongest (gdbarch->half_bit));
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fprintf_unfiltered (file,
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"gdbarch_dump: half_format = %s\n",
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pformat (gdbarch->half_format));
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fprintf_unfiltered (file,
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"gdbarch_dump: has_dos_based_file_system = %s\n",
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plongest (gdbarch->has_dos_based_file_system));
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@ -1374,6 +1388,39 @@ set_gdbarch_long_long_bit (struct gdbarch *gdbarch,
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gdbarch->long_long_bit = long_long_bit;
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}
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int
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gdbarch_half_bit (struct gdbarch *gdbarch)
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{
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gdb_assert (gdbarch != NULL);
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/* Skip verify of half_bit, invalid_p == 0 */
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if (gdbarch_debug >= 2)
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fprintf_unfiltered (gdb_stdlog, "gdbarch_half_bit called\n");
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return gdbarch->half_bit;
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}
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void
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set_gdbarch_half_bit (struct gdbarch *gdbarch,
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int half_bit)
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{
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gdbarch->half_bit = half_bit;
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}
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const struct floatformat **
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gdbarch_half_format (struct gdbarch *gdbarch)
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{
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gdb_assert (gdbarch != NULL);
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if (gdbarch_debug >= 2)
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fprintf_unfiltered (gdb_stdlog, "gdbarch_half_format called\n");
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return gdbarch->half_format;
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}
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void
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set_gdbarch_half_format (struct gdbarch *gdbarch,
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const struct floatformat ** half_format)
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{
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gdbarch->half_format = half_format;
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}
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int
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gdbarch_float_bit (struct gdbarch *gdbarch)
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{
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@ -118,12 +118,18 @@ extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
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extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
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/* The ABI default bit-size and format for "float", "double", and "long
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double". These bit/format pairs should eventually be combined into
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a single object. For the moment, just initialize them as a pair.
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/* The ABI default bit-size and format for "half", "float", "double", and
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"long double". These bit/format pairs should eventually be combined
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into a single object. For the moment, just initialize them as a pair.
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Each format describes both the big and little endian layouts (if
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useful). */
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extern int gdbarch_half_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit);
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extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format);
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extern int gdbarch_float_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
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@ -363,12 +363,14 @@ v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0
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# machine.
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v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0
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# The ABI default bit-size and format for "float", "double", and "long
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# double". These bit/format pairs should eventually be combined into
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# a single object. For the moment, just initialize them as a pair.
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# The ABI default bit-size and format for "half", "float", "double", and
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# "long double". These bit/format pairs should eventually be combined
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# into a single object. For the moment, just initialize them as a pair.
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# Each format describes both the big and little endian layouts (if
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# useful).
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v:int:half_bit:::16:2*TARGET_CHAR_BIT::0
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v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format)
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v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
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v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format)
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v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
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@ -42,6 +42,10 @@
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/* Floatformat pairs. */
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const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN] = {
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&floatformat_ieee_half_big,
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&floatformat_ieee_half_little
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};
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const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN] = {
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&floatformat_ieee_single_big,
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&floatformat_ieee_single_little
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@ -1191,6 +1191,7 @@ extern const struct objfile_type *objfile_type (struct objfile *objfile);
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/* Explicit floating-point formats. See "floatformat.h". */
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extern const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN];
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extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN];
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extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN];
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extern const struct floatformat *floatformats_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN];
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@ -1,3 +1,8 @@
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2010-07-06 Ken Werner <ken.werner@de.ibm.com>
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* floatformat.h (floatformat_ieee_half_big): Add declaration.
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(floatformat_ieee_half_little): Likewise.
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2010-06-29 Alan Modra <amodra@gmail.com>
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* dis-asm.h: Remove references to maxq.
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@ -96,6 +96,8 @@ struct floatformat
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/* floatformats for IEEE single and double, big and little endian. */
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extern const struct floatformat floatformat_ieee_half_big;
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extern const struct floatformat floatformat_ieee_half_little;
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extern const struct floatformat floatformat_ieee_single_big;
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extern const struct floatformat floatformat_ieee_single_little;
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extern const struct floatformat floatformat_ieee_double_big;
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@ -1,3 +1,8 @@
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2010-07-06 Ken Werner <ken.werner@de.ibm.com>
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* floatformat.c (floatformat_ieee_half_big): New variable.
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(floatformat_ieee_half_little): Likewise.
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2010-06-14 Gerald Pfeifer <gerald@pfeifer.com>
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* libiberty.texi: Remove reference to GCC 3 and 2001 (thrice).
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@ -77,7 +77,23 @@ floatformat_always_valid (const struct floatformat *fmt ATTRIBUTE_UNUSED,
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a system header, what we do if not, etc. */
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#define FLOATFORMAT_CHAR_BIT 8
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/* floatformats for IEEE single and double, big and little endian. */
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/* floatformats for IEEE half, single and double, big and little endian. */
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const struct floatformat floatformat_ieee_half_big =
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{
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floatformat_big, 16, 0, 1, 5, 15, 31, 6, 10,
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floatformat_intbit_no,
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"floatformat_ieee_half_big",
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floatformat_always_valid,
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NULL
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};
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const struct floatformat floatformat_ieee_half_little =
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{
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floatformat_little, 16, 0, 1, 5, 15, 31, 6, 10,
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floatformat_intbit_no,
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"floatformat_ieee_half_little",
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floatformat_always_valid,
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NULL
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};
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const struct floatformat floatformat_ieee_single_big =
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{
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floatformat_big, 32, 0, 1, 8, 127, 255, 9, 23,
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