gdb/testsuite/gdb.base/dfp-test.exp

   1 # Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 #  This file was written by Wu Zhou. (woodzltc@cn.ibm.com)
  17
  18 # This file is part of the gdb testsuite.  It is intended to test that
  19 # gdb could correctly handle decimal floating point introduced in IEEE 754R.
  20
  21 if $tracelevel then {
  22   strace $tracelevel
  23 }
  24
  25 set testfile "dfp-test"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 # Try to compile the test case.  If we can't, assume the
  30 # toolchain does not yet provide DFP support and bail out.
  31 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {quiet debug}] != "" } {
  32     verbose "Skipping DFP tests."
  33     return -1
  34 }
  35
  36 gdb_exit
  37 gdb_start
  38 gdb_reinitialize_dir $srcdir/$subdir
  39 gdb_load ${binfile}
  40
  41 if ![runto_main] then {
  42     perror "couldn't run to breakpoint"
  43     continue
  44 }
  45
  46 set sizeof_long [get_sizeof "long" 4]
  47
  48 proc d32_set_tests {} {
  49
  50     gdb_test "p d32=123.45df" " = 123.45"
  51     gdb_test "p d32=12345.df" " = 12345"
  52     gdb_test "p d32=12345.67df" " = 12345.67"
  53     gdb_test "p d32=1234567.df" " = 1234567"
  54
  55     gdb_test "p d32=1.234567E0df" " = 1.234567"
  56     gdb_test "p d32=1.234567E10df" " = 1.234567E\\+10"
  57     gdb_test "p d32=1.234567E+96df" " = 1.234567E\\+96"
  58
  59     # Test that gdb could handle the max, normalized min and subnormalized min.
  60     gdb_test "p d32=9.999999E96df" " = 9.999999E\\+96"
  61     gdb_test "p d32=1.0E-95df" " = 1.0E\\-95"
  62     gdb_test "p d32=1.E-101df" " = 1E\\-101"
  63     gdb_test "p d32=0.000001E-95df" " = 1E\\-101"
  64
  65     # Test that gdb could detect coefficient/exponent out of range.
  66     # The coefficient out of range will be rounded to its nearest value.
  67     # And the exponent out of range will be handled as infinity.
  68     gdb_test "p d32=1.2345678df" " = 1.234568" "1.2345678 is rounded to 1.234568"
  69     gdb_test "p d32=1.0E-101df" " = 1E-101" "1.0E-101 is rounded to 1E-101"
  70     gdb_test "p d32=1.234567E+97df" " = Infinity" "1.234567E+97 is Infinity"
  71
  72     # Test that gdb could detect the errors in the string representation of _Decimal32
  73     gdb_test "p d32=12345.df" " = 12345" "12345. is a valid number"
  74     gdb_test "p d32=12345df" ".*Invalid number.*" "12345 is an invalid number"
  75     gdb_test "p d32=1.23Edf" ".*Conversion syntax.*" "1.23E is an invalid number"
  76     gdb_test "p d32=1.23E45Adf" ".*Conversion syntax.*" "1.23E45A is an invalid number"
  77 }
  78
  79 proc d64_set_tests {} {
  80
  81     gdb_test "p d64=123.45dd" " = 123.45"
  82     gdb_test "p d64=12345.dd" " = 12345"
  83     gdb_test "p d64=12345.67dd" " = 12345.67"
  84     gdb_test "p d64=1.234567890123456dd" " = 1.234567890123456"
  85
  86     gdb_test "p d64=1.234567890123456E10dd" " = 12345678901.23456"
  87     gdb_test "p d64=1.234567890123456E100dd" " = 1.234567890123456E\\+100"
  88     gdb_test "p d64=1.234567890123456E384dd" " = 1.234567890123456E\\+384"
  89
  90     # Test that gdb could handle the max, normalized min and subnormalized min.
  91     gdb_test "p d64=9.999999999999999E384dd" " = 9.999999999999999E\\+384"
  92     gdb_test "p d64=1.E-383dd" " = 1E\\-383"
  93     gdb_test "p d64=1.E-398dd" " = 1E\\-398"
  94     gdb_test "p d64=0.000000000000001E-383dd" " = 1E\\-398"
  95
  96     # Test that gdb could detect coefficient/exponent out of range.
  97     # The coefficient out of range will be rounded to its nearest value.
  98     # And the exponent out of range will be handled as infinity.
  99     gdb_test "p d64=1.2345678901234567dd" " = 1.234567890123457" "1.2345678901234567 is rounded to 1.234567890123457"
 100     gdb_test "p d64=9.9999999999999999E384dd" " = Infinity" "d64=9.9999999999999999E384 is Infinity"
 101     gdb_test "p d64=1.234567890123456E385dd" " = Infinity" "d64=1.234567890123456E385 is Infinity"
 102
 103     # Test that gdb could detect the errors in the string representation of _Decimal64
 104     gdb_test "p d64=12345dd" ".*Invalid number.*" "12345dd is an invalid number"
 105     gdb_test "p d64=1.23Edd" ".*Conversion syntax.*" "1.23E is an invalid number"
 106     gdb_test "p d64=1.23E45Add" ".*Conversion syntax.*" "1.23E45A is an invalid number"
 107 }
 108
 109 proc d128_set_tests {} {
 110
 111     gdb_test "p d128=123.45dl" " = 123.45"
 112     gdb_test "p d128=12345.dl" " = 12345"
 113     gdb_test "p d128=12345.67dl" " = 12345.67"
 114     gdb_test "p d128=1.234567890123456789012345678901234dl" " = 1.234567890123456789012345678901234"
 115
 116     gdb_test "p d128=1.234567890123456E10dl" " = 12345678901.23456"
 117     gdb_test "p d128=1.234567890123456E100dl" " = 1.234567890123456E\\+100"
 118     gdb_test "p d128=1.234567890123456E1000dl" " = 1.234567890123456E\\+1000"
 119
 120     # Test that gdb could handle the max, normalized min and subnormalized min.
 121     gdb_test "p d128=9.999999999999999999999999999999999E6144dl" " = 9.999999999999999999999999999999999E\\+6144"
 122     gdb_test "p d128=1.E-6143dl" " = 1E\\-6143"
 123     gdb_test "p d128=1.E-6176dl" " = 1E\\-6176"
 124     gdb_test "p d128=0.000000000000000000000000000000001E-6143dl" " = 1E\\-6176"
 125
 126     # Test that gdb could detect coefficient/exponent out of range.
 127     # The coefficient out of range will be rounded to its nearest value.
 128     # And the exponent out of range will be handled as infinity.
 129     gdb_test "p d128=1.2345678901234567890123456789012345dl" "1.234567890123456789012345678901234" "1.2345678901234567890123456789012345 is rounded to 1.234567890123456789012345678901234"
 130     gdb_test "p d128=1.234567890123456E6145dl" "Infinity" "d128=1.234567890123456E6145 is Infinity"
 131
 132     # Test that gdb could detect the errors in the string representation of _Decimal128
 133     gdb_test "p d128=12345dl" ".*Invalid number.*" "12345dl is an invalid number"
 134     gdb_test "p d128=1.23Edl" ".*Conversion syntax.*" "1.23E is an invalid number"
 135     gdb_test "p d128=1.23E45Adl" ".*Conversion syntax.*" "1.23E45A is an invalid number"
 136 }
 137
 138 # Different tests on 32-bits decimal floating point, including the printing
 139 # of finite numbers, infinite and NaN, and also the setting of different
 140 # decimal value.
 141
 142 if [gdb_test "next" \
 143     ".*Positive infd32.*" \
 144     "next after initializing d32"] then { gdb_suppress_tests }
 145 gdb_test "print d32" "1.2345" "d32 is initialized to 1.2345"
 146
 147 if [gdb_test "next" \
 148     ".*Negative infd32.*" \
 149     "next after assigning builtin infinity to d32"] then { gdb_suppress_tests }
 150 gdb_test "print d32" "Infinity" "d32 is positive Infinity"
 151
 152 if [gdb_test "next" \
 153     ".*__builtin_nand32.*" \
 154     "next after assigning negative builtin infinity to d32"] then { gdb_suppress_tests }
 155 gdb_test "print d32" "-Infinity" "d32 is negative Infinity"
 156
 157 if [gdb_test "next" \
 158     ".*d64 = 1.2345.*" \
 159     "next after assigning builtin NaN to d32"] then { gdb_suppress_tests }
 160 gdb_test "print d32" "NaN" "d32 is NaN"
 161
 162 d32_set_tests
 163
 164
 165 # Different tests on 64-bits decimal floating point, including the display
 166 # of finite number, infinite and NaN, and also the setting of different
 167 # decimal value.
 168
 169 if [gdb_test "next" \
 170     ".*Positive infd64.*" \
 171     "next after initializing d64"] then { gdb_suppress_tests }
 172 gdb_test "print d64" "1.2345" "d64 is initialized to 1.2345"
 173
 174 if [gdb_test "next" \
 175     ".*Negative infd64.*" \
 176     "next after assigning builtin infinity to d64"] then { gdb_suppress_tests }
 177 gdb_test "print d64" "Infinity" "d64 is positive Infinity"
 178
 179 if [gdb_test "next" \
 180     ".*__builtin_nand64.*" \
 181     "next after assigning negative builtin infinity to d64"] then { gdb_suppress_tests }
 182 gdb_test "print d64" "-Infinity" "d64 is negative Infinity"
 183
 184 if [gdb_test "next" \
 185     ".*d128 = 1.2345.*" \
 186     "next after assigning builtin NaN to d64"] then { gdb_suppress_tests }
 187 gdb_test "print d64" "NaN" "d64 is NaN"
 188
 189 d64_set_tests
 190
 191
 192 # Different tests on 128-bits decimal floating point, including the display
 193 # of finite number, infinite and NaN, and also the setting of different
 194 # decimal value.
 195
 196 if [gdb_test "next" \
 197     ".*Positive infd128.*" \
 198     "next after initializing d128"] then { gdb_suppress_tests }
 199 gdb_test "print d128" "1.2345" "d128 is initialized to 1.2345"
 200
 201 d128_set_tests
 202
 203 if [gdb_test "next" \
 204     ".*Negative infd128.*" \
 205     "next after assigning builtin infinity to d128"] then { gdb_suppress_tests }
 206 gdb_test "print d128" "Infinity" "d128 is positive Infinity"
 207
 208 if [gdb_test "next" \
 209     ".*__builtin_nand128.*" \
 210     "next after assigning negative builtin infinity to d128"] then { gdb_suppress_tests }
 211 gdb_test "print d128" "-Infinity" "d128 is negative Infinity"
 212
 213 if [gdb_test "next" \
 214     ".*arg0_32.*" \
 215     "next after assigning builtin NaN to d128"] then { gdb_suppress_tests }
 216 gdb_test "print d128" "NaN" "d128 is NaN"
 217
 218 # The following tests are intended to verify that gdb can correctly handle
 219 # DFP types in function arguments.
 220
 221 gdb_breakpoint arg0_32
 222 gdb_continue_to_breakpoint "entry to arg0_32"
 223 gdb_test "backtrace" ".*arg0_32 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_32"
 224
 225 gdb_breakpoint arg0_64
 226 gdb_continue_to_breakpoint "entry to arg0_64"
 227 gdb_test "backtrace" ".*arg0_64 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_64"
 228
 229 gdb_breakpoint arg0_128
 230 gdb_continue_to_breakpoint "entry to arg0_128"
 231 gdb_test "backtrace" ".*arg0_128 \\(arg0=0.1, arg1=1.0, arg2=2.0, arg3=3.0, arg4=4.0, arg5=5.0\\).*" "backtrace at arg0_128"
 232
 233 # Test calling inferior function with DFP arguments or return value.
 234
 235 gdb_test "call arg0_32 (1.2df, 2.2df, 3.2df, 4.2df, 5.2df, 6.2df)" "Breakpoint.*arg0_32.*" "Call function with correct _Decimal32 arguments."
 236 gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_32 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal32 arguments."
 237 gdb_test "finish" " = 1.2" "Correct _Decimal32 return value from called function."
 238
 239 gdb_test "call arg0_64 (1.2dd, 2.2dd, 3.2dd, 4.2dd, 5.2dd, 6.2dd)" "Breakpoint.*arg0_64.*" "Call function with correct _Decimal64 arguments."
 240 gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_64 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal64 arguments."
 241 gdb_test "finish" " = 1.2" "Correct _Decimal64 return value from called function."
 242
 243 gdb_test "call arg0_128 (1.2dl, 2.2dl, 3.2dl, 4.2dl, 5.2dl, 6.2dl)" "Breakpoint.*arg0_128.*" "Call function with correct _Decimal128 arguments."
 244 gdb_test "backtrace 1" "\n#\[0-9\]+  arg0_128 \\(arg0=1.2, arg1=2.2, arg2=3.2, arg3=4.2, arg4=5.2, arg5=6.2\\).*" "Backtrace function with correct _Decimal128 arguments."
 245 gdb_test "finish" " = 1.2" "Correct _Decimal128 return value from called function."
 246
 247 gdb_test "call decimal_dec128_align (double_val1, dec128_val2, double_val3, double_val4, double_val5, double_val6, double_val7, double_val8, double_val9, double_val10, double_val11, double_val12, double_val13, double_val14)" " = 1" \
 248   "Call function with mixed decimal float arguments TEST."
 249
 250 gdb_test "call decimal_mixed (dec32_val1, dec64_val1, dec128_val1)" " = 1" \
 251   "Call function with mixed decimal float arguments."
 252
 253 gdb_test "call decimal_many_args_dec32 (dec32_val1, dec32_val2, dec32_val3, dec32_val4, dec32_val5, dec32_val6, dec32_val7, dec32_val8, dec32_val9, dec32_val10, dec32_val11, dec32_val12, dec32_val13, dec32_val14, dec32_val15, dec32_val16)" " = 1" \
 254   "Call function with many _Decimal32 arguments."
 255
 256 gdb_test "call decimal_many_args_dec64 (dec64_val1, dec64_val2, dec64_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7, dec64_val8, dec64_val9, dec64_val10, dec64_val11, dec64_val12, dec64_val13, dec64_val14, dec64_val15, dec64_val16)" " = 1" \
 257   "Call function with many _Decimal64 arguments."
 258
 259 gdb_test "call decimal_many_args_dec128 (dec128_val1, dec128_val2, dec128_val3, dec128_val4, dec128_val5, dec128_val6, dec128_val7, dec128_val8, dec128_val9, dec128_val10, dec128_val11, dec128_val12, dec128_val13, dec128_val14, dec128_val15, dec128_val16)" " = 1" \
 260   "Call function with many _Decimal128 arguments."
 261
 262 gdb_test "call decimal_many_args_mixed (dec32_val1, dec32_val2, dec32_val3, dec64_val4, dec64_val5, dec64_val6, dec64_val7, dec128_val8, dec128_val9, dec128_val10, dec32_val11, dec64_val12, dec32_val13, dec64_val14, dec128_val15)" " = 1" \
 263   "Call function with many mixed decimal float arguments."
 264
 265 # The following tests are intended to verify that gdb can handle DFP types
 266 # correctly in struct.
 267
 268 gdb_breakpoint [gdb_get_line_number "Exit point"]
 269 gdb_continue_to_breakpoint "Setting a decimal struct"
 270 gdb_test "print ds.dec32" " = 1.2345"
 271 gdb_test "print ds.dec64" " = 1.2345"
 272 gdb_test "print ds.dec128" " = 1.2345"
 273
 274 # Test expressions with DFP variables.
 275
 276 gdb_test "print d32 + ds.dec32" " = 1.3345"
 277 gdb_test "print d64 + ds.dec64" " = 1.3345"
 278 gdb_test "print d128 + ds.dec128" " = 1.3345"
 279
 280 # Test conversion between different _Decimal sizes.
 281
 282 gdb_test "ptype d64 + ds.dec32" " = volatile _Decimal64"
 283 gdb_test "ptype d128 + ds.dec32" " = volatile _Decimal128"
 284 gdb_test "ptype d128 + ds.dec64" " = volatile _Decimal128"
 285
 286 # Mixture of Decimal and integral operands
 287 gdb_test "p d32 + 1" " = 1.1"
 288 gdb_test "p 2 + d64" " = 2.1"
 289 gdb_test "p ds.int4 + d128" " = 1.1"
 290 gdb_test "ptype d32 + 1" " = volatile _Decimal32"
 291 gdb_test "ptype ds.int4 + d128" " = volatile _Decimal128"
 292
 293 # Test other operations with DFP operands
 294 gdb_test "p !d32" " = 0"
 295 gdb_test "p !d64" " = 0"
 296 gdb_test "p !d128" " = 0"
 297 gdb_test "p +d32" " = 0.1"
 298 gdb_test "p +d64" " = 0.1"
 299 gdb_test "p +d128" " = 0.1"
 300 gdb_test "p d64 == d128" " = 1"
 301 gdb_test "p d128 == ds.dec32" " = 0"
 302 gdb_test "p d128 == d32" " = 1"
 303 gdb_test "p ds.dec32 == ds.dec64" " = 1"
 304 gdb_test "p d32 < ds.dec32" " = 1"
 305 gdb_test "p d64 < ds.dec64" " = 1"
 306 gdb_test "p d128 < ds.dec128" " = 1"
 307 gdb_test "p ds.dec32 < d32" " = 0"
 308 gdb_test "p d64 > ds.dec64" " = 0"
 309 gdb_test "p ds.dec128 > d128 " " = 1"
 310 gdb_test "p d32 < ds.int4" " = 1"
 311 gdb_test "p ds.int4 > d32" " = 1"
 312 gdb_test "p ds.dec32 < ds.int4" " = 0"
 313 gdb_test "p ds.int4 > ds.dec64" " = 0"
 314 gdb_test "p ds.dec128 > ds.int4" " = 1"
 315
 316 # Reject operation with integral larger than 32-bits
 317 if { ${sizeof_long} > 4 } {
 318   gdb_test "p d32 + ds.long8" "Conversion of large integer to a decimal floating type is not supported."
 319 }
 320
 321 # Reject operation with DFP and Binary FP
 322 gdb_test "p d64 + ds.float4" "Mixing decimal floating types with other floating types is not allowed."
 323 gdb_test "p ds.double8 + d128" "Mixing decimal floating types with other floating types is not allowed."
 324
 325 # The following tests are intended to verify that gdb can handle "d1=d2"
 326 # and "d1=-d2" correctly.
 327
 328 gdb_test "print ds.dec32=d32" " = 0.1"
 329 gdb_test "print ds.dec64=d64" " = 0.1"
 330 gdb_test "print ds.dec128=d128" " = 0.1"
 331 gdb_test "print ds.dec32 = -d32" " = -0.1"
 332 gdb_test "print ds.dec64 = -d64" " = -0.1"
 333 gdb_test "print ds.dec128 = -d128" " = -0.1"
 334
 335 # Test cast to and from DFP values
 336
 337 gdb_test "print ds.double8 = ds.dec64" " = -0.(0999.*|1000.*)"
 338 gdb_test "print ds.dec64 = ds.float4" " = 3.(0999.*|1000.*)"
 339 gdb_test "print ds.dec128 = -ds.double8" " = 0.(0999.*|1000.*)"
 340 gdb_test "print ds.dec128 = ds.dec32" " = -0.1"
 341 gdb_test "print ds.dec32 = ds.int4" " = 1"
 342 gdb_test "print ds.int4 = 7.3dl" " = 7"