From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9933 invoked by alias); 27 Mar 2007 16:30:13 -0000 Received: (qmail 9919 invoked by uid 22791); 27 Mar 2007 16:30:10 -0000 X-Spam-Check-By: sourceware.org Received: from igw3.br.ibm.com (HELO igw3.br.ibm.com) (32.104.18.26) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 27 Mar 2007 17:30:04 +0100 Received: from mailhub3.br.ibm.com (unknown [9.18.232.110]) by igw3.br.ibm.com (Postfix) with ESMTP id A27BD390201 for ; Tue, 27 Mar 2007 13:23:59 -0300 (BRT) Received: from d24av01.br.ibm.com (d24av01.br.ibm.com [9.18.232.46]) by mailhub3.br.ibm.com (8.13.8/8.13.8/NCO v8.3) with ESMTP id l2RGThW71663042 for ; Tue, 27 Mar 2007 13:29:43 -0300 Received: from d24av01.br.ibm.com (loopback [127.0.0.1]) by d24av01.br.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l2RGRiQ8018825 for ; Tue, 27 Mar 2007 13:27:44 -0300 Received: from dyn532128.br.ibm.com ([9.18.238.251]) by d24av01.br.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id l2RGRi7Z018822 for ; Tue, 27 Mar 2007 13:27:44 -0300 Subject: [patch 2/4] decimal floating point types From: Thiago Jung Bauermann To: gdb-patches@sourceware.org References: <20070323030737.475073862@br.ibm.com> Content-Type: text/plain Date: Tue, 27 Mar 2007 16:30:00 -0000 Message-Id: <1175012973.21904.10.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.3 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2007-03/txt/msg00250.txt.bz2 plain text document attachment (decfloat-types.diff) 2007-03-23 Thiago Jung Bauermann * c-lang.c (c_create_fundamental_type): Create fundamental types for DFP. * c-valprint.c (c_val_print): Call print_decimal_floating to print DFP values. * dwarf2read.c (read_base_type): Read DW_ATE_decimal_float attribute code and return TYPE_CODE_DECFLOAT. (dwarf_base_type): Set dwarf2_fundamental_type for DFP values. * gdbtypes.c: Add three builtin types for DFP. (build_gdbtypes): Build these three builtin types for DFP. (gdbtypes_post_init): Initialize builtin_decfloat, builtin_decdouble and builtin_declong. * gdbtypes.h: Add three fundamental types for DFP. (enum type_code): Add TYPE_CODE_DECFLOAT as a type code for DFP. (struct builtin_type): Add builtin_decfloat, builtin_decdouble and builtin_declong. * valprint.c (print_decimal_floating): New function to print DFP values. * value.h (print_decimal_floating): Prototype. Index: gdb/c-lang.c =================================================================== --- gdb/c-lang.c.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/c-lang.c 2007-03-13 13:39:29.000000000 -0300 @@ -322,6 +322,21 @@ c_create_fundamental_type (struct objfil TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT, 0, "long double", objfile); break; + case FT_DECFLOAT: + type = init_type (TYPE_CODE_DECFLOAT, + 32 / 8, + 0, "decimal float", objfile); + break; + case FT_DBL_PREC_DECFLOAT: + type = init_type (TYPE_CODE_DECFLOAT, + 64 / 8, + 0, "decimal double", objfile); + break; + case FT_EXT_PREC_DECFLOAT: + type = init_type (TYPE_CODE_DECFLOAT, + 128 / 8, + 0, "decimal long double", objfile); + break; case FT_COMPLEX: type = init_type (TYPE_CODE_FLT, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, Index: gdb/c-valprint.c =================================================================== --- gdb/c-valprint.c.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/c-valprint.c 2007-03-13 13:39:29.000000000 -0300 @@ -436,6 +436,13 @@ c_val_print (struct type *type, const gd } break; + case TYPE_CODE_DECFLOAT: + if (format) + print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); + else + print_decimal_floating (valaddr + embedded_offset, type, stream); + break; + case TYPE_CODE_VOID: fprintf_filtered (stream, "void"); break; Index: gdb/dwarf2read.c =================================================================== --- gdb/dwarf2read.c.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/dwarf2read.c 2007-03-13 13:39:29.000000000 -0300 @@ -4851,6 +4851,9 @@ read_base_type (struct die_info *die, st case DW_ATE_complex_float: code = TYPE_CODE_COMPLEX; break; + case DW_ATE_decimal_float: + code = TYPE_CODE_DECFLOAT; + break; case DW_ATE_float: code = TYPE_CODE_FLT; break; @@ -7710,6 +7713,18 @@ dwarf_base_type (int encoding, int size, type = dwarf2_fundamental_type (objfile, FT_FLOAT, cu); } return type; + case DW_ATE_decimal_float: + if (size == 16) + { + type = dwarf2_fundamental_type (objfile, FT_DBL_PREC_DECFLOAT, cu); + } + else if (size == 8) + { + type = dwarf2_fundamental_type (objfile, FT_EXT_PREC_DECFLOAT, cu); + } + else + type = dwarf2_fundamental_type (objfile, FT_DECFLOAT, cu); + return type; case DW_ATE_signed: switch (size) { Index: gdb/gdbtypes.c =================================================================== --- gdb/gdbtypes.c.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/gdbtypes.c 2007-03-13 13:39:29.000000000 -0300 @@ -76,6 +76,12 @@ struct type *builtin_type_int128; struct type *builtin_type_uint128; struct type *builtin_type_bool; +/* The following three are about decimal floating point types, which are now + considered as potential extension to C99 standard. */ +struct type *builtin_type_decfloat; +struct type *builtin_type_decdouble; +struct type *builtin_type_declong; + /* 128 bit long vector types */ struct type *builtin_type_v2_double; struct type *builtin_type_v4_float; @@ -3450,6 +3456,20 @@ build_gdbtypes (void) builtin_type_long_double = build_flt (TARGET_LONG_DOUBLE_BIT, "long double", TARGET_LONG_DOUBLE_FORMAT); + /* Builtin types for decimal floating point types. */ + builtin_type_decfloat = + init_type (TYPE_CODE_DECFLOAT, 32 / 8, + 0, + "decimal float", (struct objfile *) NULL); + builtin_type_decdouble = + init_type (TYPE_CODE_DECFLOAT, 64 / 8, + 0, + "decimal double", (struct objfile *) NULL); + builtin_type_declong = + init_type (TYPE_CODE_DECFLOAT, 128 / 8, + 0, + "decimal long double", (struct objfile *) NULL); + builtin_type_complex = init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT, 0, @@ -3660,6 +3680,21 @@ gdbtypes_post_init (struct gdbarch *gdba 0, "bool", (struct objfile *) NULL); + /* The following three are about decimal floating point types, which are + 32-bits, 64-bits and 128-bits respectively. */ + builtin_type->builtin_decfloat = + init_type (TYPE_CODE_DECFLOAT, 32 / 8, + 0, + "decimal float", (struct objfile *) NULL); + builtin_type->builtin_decdouble = + init_type (TYPE_CODE_DECFLOAT, 64 / 8, + 0, + "decimal double", (struct objfile *) NULL); + builtin_type->builtin_declong = + init_type (TYPE_CODE_DECFLOAT, 128 / 8, + 0, + "decimal long double", (struct objfile *) NULL); + /* Pointer/Address types. */ /* NOTE: on some targets, addresses and pointers are not necessarily @@ -3807,6 +3842,9 @@ _initialize_gdbtypes (void) DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_void_func_ptr); DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_CORE_ADDR); DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_bfd_vma); + DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_decfloat); + DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_decdouble); + DEPRECATED_REGISTER_GDBARCH_SWAP (builtin_type_declong); deprecated_register_gdbarch_swap (NULL, 0, build_gdbtypes); /* Note: These types do not need to be swapped - they are target Index: gdb/gdbtypes.h =================================================================== --- gdb/gdbtypes.h.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/gdbtypes.h 2007-03-13 13:39:29.000000000 -0300 @@ -67,7 +67,12 @@ struct block; #define FT_UNSIGNED_BYTE 27 #define FT_TEMPLATE_ARG 28 -#define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */ +/* The following three fundamental types are for decimal floating point. */ +#define FT_DECFLOAT 29 +#define FT_DBL_PREC_DECFLOAT 30 +#define FT_EXT_PREC_DECFLOAT 31 + +#define FT_NUM_MEMBERS 32 /* Highest FT_* above, plus one. */ /* Some macros for char-based bitfields. */ @@ -171,7 +176,9 @@ enum type_code TYPE_CODE_TEMPLATE, /* C++ template */ TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */ - TYPE_CODE_NAMESPACE /* C++ namespace. */ + TYPE_CODE_NAMESPACE, /* C++ namespace. */ + + TYPE_CODE_DECFLOAT /* Decimal floating point. */ }; /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an @@ -1019,6 +1026,9 @@ struct builtin_type struct type *builtin_bool; struct type *builtin_long_long; struct type *builtin_unsigned_long_long; + struct type *builtin_decfloat; + struct type *builtin_decdouble; + struct type *builtin_declong; }; /* Return the type table for the specified architecture. */ @@ -1042,6 +1052,9 @@ extern struct type *builtin_type_complex extern struct type *builtin_type_double_complex; extern struct type *builtin_type_string; extern struct type *builtin_type_bool; +extern struct type *builtin_type_decfloat; +extern struct type *builtin_type_decdouble; +extern struct type *builtin_type_declong; /* Address/pointer types: */ /* (C) Language `pointer to data' type. Some target platforms use an Index: gdb/valprint.c =================================================================== --- gdb/valprint.c.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/valprint.c 2007-03-13 13:39:29.000000000 -0300 @@ -35,6 +35,7 @@ #include "floatformat.h" #include "doublest.h" #include "exceptions.h" +#include "dfp.h" #include @@ -496,6 +497,18 @@ print_floating (const gdb_byte *valaddr, } void +print_decimal_floating (const gdb_byte *valaddr, struct type *type, + struct ui_file *stream) +{ + char decstr[128]; + unsigned len = TYPE_LENGTH (type); + + decimal_to_string (valaddr, len, decstr); + fputs_filtered (decstr, stream); + return; +} + +void print_binary_chars (struct ui_file *stream, const gdb_byte *valaddr, unsigned len) { Index: gdb/value.h =================================================================== --- gdb/value.h.orig 2007-03-12 16:55:35.000000000 -0300 +++ gdb/value.h 2007-03-13 13:39:29.000000000 -0300 @@ -482,6 +482,9 @@ extern void print_longest (struct ui_fil extern void print_floating (const gdb_byte *valaddr, struct type *type, struct ui_file *stream); +extern void print_decimal_floating (const gdb_byte *valaddr, struct type *type, + struct ui_file *stream); + extern int value_print (struct value *val, struct ui_file *stream, int format, enum val_prettyprint pretty); --