| # Copyright 2010-2021 Free Software Foundation, Inc. |
| |
| # 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 3 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. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| # |
| # Contributed by Ken Werner <ken.werner@de.ibm.com>. |
| # |
| # Tests GDBs support for GNU vectors. |
| # http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html |
| |
| standard_testfile .c |
| |
| # If supported by the compiler, "-mcpu=native" or "-march=native" |
| # should enable the highest available vector ABI. Try both, then try |
| # without a CPU option. If all variants fail, assume that the |
| # compiler can not handle GNU vectors. |
| |
| proc do_compile { {opts {}} } { |
| global srcdir subdir srcfile binfile |
| set ccopts {debug quiet} |
| foreach opt $opts {lappend ccopts "additional_flags=$opt"} |
| gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile" executable $ccopts |
| } |
| |
| if { [do_compile {-mcpu=native}] != "" |
| && [do_compile {-mcpu=native -Wno-psabi}] != "" |
| && [do_compile {-march=native}] != "" |
| && [do_compile] != ""} { |
| untested "compiler can't handle vector_size attribute?" |
| return -1 |
| } |
| |
| clean_restart ${binfile} |
| |
| if { ![runto_main] } { |
| return -1 |
| } |
| |
| # Get endianess for the scalar->vector casts |
| set endian [get_endianness] |
| |
| # Test printing of character vector types |
| gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}" |
| gdb_test "print c4\[2\]" "\\\$$decimal = 3" |
| |
| # Test operators on integer vector types |
| gdb_test "print i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print i4b" "\\\$$decimal = \\{1, 2, 8, 4\\}" |
| # Arithmetic operators |
| gdb_test "print i4a + i4b" "\\\$$decimal = \\{3, 6, 16, 20\\}" |
| gdb_test "print i4a - i4b" "\\\$$decimal = \\{1, 2, 0, 12\\}" |
| gdb_test "print i4a * i4b" "\\\$$decimal = \\{2, 8, 64, 64\\}" |
| gdb_test "print i4a / i4b" "\\\$$decimal = \\{2, 2, 1, 4\\}" |
| gdb_test "print i4a % i4b" "\\\$$decimal = \\{0, 0, 0, 0\\}" |
| gdb_test "print i4a++" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print ++i4a" "\\\$$decimal = \\{4, 6, 10, 18\\}" |
| gdb_test "print i4a--" "\\\$$decimal = \\{4, 6, 10, 18\\}" |
| gdb_test "print --i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print +i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print -i4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}" |
| |
| # Bitwise operators |
| gdb_test "print i4a & i4b" "\\\$$decimal = \\{0, 0, 8, 0\\}" |
| gdb_test "print i4a | i4b" "\\\$$decimal = \\{3, 6, 8, 20\\}" |
| gdb_test "print i4a ^ i4b" "\\\$$decimal = \\{3, 6, 0, 20\\}" |
| gdb_test "print ~i4a" "\\\$$decimal = \\{-3, -5, -9, -17\\}" |
| # Shift operators |
| gdb_test "print i4a << i4b" "\\\$$decimal = \\{4, 16, 2048, 256\\}" |
| gdb_test "print i4a >> i4b" "\\\$$decimal = \\{1, 1, 0, 1\\}" |
| |
| # Test operators on floating point vector types |
| gdb_test "print f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print f4b" "\\\$$decimal = \\{1, 2, 8, 4\\}" |
| # Arithmetic operators |
| gdb_test "print f4a + f4b" "\\\$$decimal = \\{3, 6, 16, 20\\}" |
| gdb_test "print f4a - f4b" "\\\$$decimal = \\{1, 2, 0, 12\\}" |
| gdb_test "print f4a * f4b" "\\\$$decimal = \\{2, 8, 64, 64\\}" |
| gdb_test "print f4a / f4b" "\\\$$decimal = \\{2, 2, 1, 4\\}" |
| gdb_test "print +f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print -f4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}" |
| |
| # When casting to vector the input type must have the same length as |
| # the total length of the vector. |
| gdb_test "print (char4) 0x01010101" "\\\$$decimal = \\{1, 1, 1, 1\\}" |
| gdb_test "print (int2) lla" "\\\$$decimal = \\{1, 1\\}" |
| |
| # Check that "whatis" doesn't peel off the destination type's typedef |
| # by mistake, in expressions that involve a cast to typedef type. |
| gdb_test "whatis (char4) 0x01010101" "type = char4" |
| gdb_test "whatis (int2) lla" "type = int2" |
| # Check that OTOH "ptype" does peel off the destination type's |
| # typedef. |
| gdb_test "ptype (char4) 0x01010101" \ |
| "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "ptype (int2) lla" \ |
| "type = int __attribute__ \\(\\(vector_size\\(2\\)\\)\\)" |
| |
| if { ![string compare $endian big] } then { |
| gdb_test "print (char4) ia" "\\\$$decimal = \\{0, 0, 0, 2\\}" |
| } else { |
| gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}" |
| } |
| |
| gdb_test "print (int2) 1" "can only cast scalar to vector of same size" |
| gdb_test "print (longlong2) 2" "can only cast scalar to vector of same size" |
| gdb_test "print (float2) 3" "can only cast scalar to vector of same size" |
| gdb_test "print (double2) 4" "can only cast scalar to vector of same size" |
| gdb_test "print (uint4) ia" "can only cast scalar to vector of same size" |
| gdb_test "print (int4) -3" "can only cast scalar to vector of same size" |
| gdb_test "print (float4) 4" "can only cast scalar to vector of same size" |
| |
| gdb_test "print i4b = ia" "can only cast scalar to vector of same size" |
| gdb_test "print i4a = 3" "can only cast scalar to vector of same size" |
| gdb_test "print f4a = fb" "can only cast scalar to vector of same size" |
| gdb_test "print f4b = 2" "can only cast scalar to vector of same size" |
| |
| gdb_test "print c4 + lla" "conversion of scalar to vector involves truncation" |
| gdb_test "print i4a + lla" "conversion of scalar to vector involves truncation" |
| gdb_test "print lla + c4" "conversion of scalar to vector involves truncation" |
| gdb_test "print lla + i4a" "conversion of scalar to vector involves truncation" |
| |
| gdb_test "print c4 + ib" "\\\$$decimal = \\{2, 3, 4, 5\\}" |
| gdb_test "print i4a + ib" "\\\$$decimal = \\{3, 5, 9, 17\\}" |
| gdb_test "print i4a + 1" "\\\$$decimal = \\{3, 5, 9, 17\\}" |
| gdb_test "print 1 + i4a" "\\\$$decimal = \\{3, 5, 9, 17\\}" |
| gdb_test "print fa - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}" |
| gdb_test "print 2 - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}" |
| gdb_test "print f4a * fb" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print f4a * 1" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print ia / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}" |
| gdb_test "print 2 / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}" |
| gdb_test "print i4a % ib" "\\\$$decimal = \\{0, 0, 0, 0\\}" |
| gdb_test "print i4a % 1" "\\\$$decimal = \\{0, 0, 0, 0\\}" |
| gdb_test "print ia & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}" |
| gdb_test "print 2 & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}" |
| gdb_test "print i4a | ib" "\\\$$decimal = \\{3, 5, 9, 17\\}" |
| gdb_test "print i4a | 1" "\\\$$decimal = \\{3, 5, 9, 17\\}" |
| gdb_test "print ia ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}" |
| gdb_test "print 2 ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}" |
| gdb_test "print i4a << ib" "\\\$$decimal = \\{4, 8, 16, 32\\}" |
| gdb_test "print i4a << 1" "\\\$$decimal = \\{4, 8, 16, 32\\}" |
| gdb_test "print i4a >> ib" "\\\$$decimal = \\{1, 2, 4, 8\\}" |
| gdb_test "print i4a >> 1" "\\\$$decimal = \\{1, 2, 4, 8\\}" |
| |
| gdb_test "print i4a = \{2, 4, 8, 16\}" "\\\$$decimal = \\{2, 4, 8, 16\\}" |
| gdb_test "print i4a <<= ib" "\\\$$decimal = \\{4, 8, 16, 32\\}" |
| |
| # Test some error scenarios |
| gdb_test "print i4a + d2" "Cannot perform operation on vectors with different types" |
| gdb_test "print d2 + i4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print f4a + ll2" "Cannot perform operation on vectors with different types" |
| gdb_test "print ll2 + f4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print i2 + ll2" "Cannot perform operation on vectors with different types" |
| gdb_test "print ll2 + i2" "Cannot perform operation on vectors with different types" |
| gdb_test "print i4a + ll2" "Cannot perform operation on vectors with different types" |
| gdb_test "print ll2 + i4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print f4a + d2" "Cannot perform operation on vectors with different types" |
| gdb_test "print d2 + f4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print ui4 + i4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print i4a + ui4" "Cannot perform operation on vectors with different types" |
| gdb_test "print i4a + i2" "Cannot perform operation on vectors with different types" |
| gdb_test "print i2 + i4a" "Cannot perform operation on vectors with different types" |
| gdb_test "print f4a + f2" "Cannot perform operation on vectors with different types" |
| gdb_test "print f2 + f4a" "Cannot perform operation on vectors with different types" |
| |
| gdb_test "print (double2) f2" "Cannot convert between vector values of different sizes" |
| gdb_test "print (int4) c4" "Cannot convert between vector values of different sizes" |
| gdb_test "print (char4) i4a" "Cannot convert between vector values of different sizes" |
| |
| # Test ptype/whatis on vector types/vars. |
| gdb_test "ptype c4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis c4" "type = char4" |
| |
| gdb_test "ptype char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| |
| gdb_test "ptype i4a" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis i4a" "type = int4" |
| |
| gdb_test "ptype int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| |
| gdb_test "ptype f4b" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis f4b" "type = float4" |
| |
| gdb_test "ptype float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| gdb_test "whatis float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)" |
| |
| gdb_test "ptype union_with_vector_1" "type = union {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n}" |
| gdb_test "whatis union_with_vector_1" {type = union {...}} |
| |
| gdb_test "ptype struct_with_vector_1" "type = struct {\r\n\[\t \]+int i;\r\n\[\t \]+char cv __attribute__ \\(\\(vector_size\\(4\\)\\)\\);\r\n\[\t \]+float4 f4;\r\n}" |
| gdb_test "whatis struct_with_vector_1" {type = struct {...}} |
| |
| # Test inferior function calls with vector arguments and/or vector |
| # return values. |
| if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*" ] } { |
| # These platforms don't support infcalls with vector arguments |
| # and/or vector return values, so skip the remaining tests. |
| # See also PR exp/18537. |
| unsupported "skip remaining vector ABI tests on this arch" |
| return |
| } |
| gdb_test "print add_some_intvecs(i4a, i4b, 3 * i4a)" "= \\{17, 34, 72, 132\\}" \ |
| "call add_some_intvecs" |
| gdb_test "print add_many_charvecs(c4, c4, c4, c4, c4, c4, c4, c4, c4, c4)" \ |
| "= \\{10, 20, 30, 40\\}" "call add_many_charvecs" |
| gdb_test "print add_various_floatvecs(2, f4a, f4b)" "= \\{3, 6, 16, 20\\}" \ |
| "call add_various_floatvecs" |
| gdb_test "print add_structvecs(i2, (struct just_int2)\{2*i2\}, (struct two_int2)\{3*i2, 4*i2\})" \ |
| "= \\{i = \\{10, 20\\}\\}" "call add_structvecs" |
| gdb_test "print add_singlevecs((char1) \{6\}, (int1) \{12\}, (double1) \{24\})" "= \\{42\\}" \ |
| "call add_singlevecs" |
| |
| # Test "finish" from vector-valued function. |
| gdb_breakpoint "add_some_intvecs" |
| gdb_continue "add_some_intvecs" |
| set test "finish shows vector return value" |
| gdb_test_multiple "finish" $test { |
| -re "Value returned is .* = \\{10, 20, 48, 72\\}.*$gdb_prompt $" { |
| pass $test |
| } |
| -re "Value returned has type: .* Cannot determine contents.*$gdb_prompt $" { |
| kfail "gdb/8549" $test |
| } |
| } |
| |
| gdb_continue "add_some_intvecs" |
| gdb_test "up" "" |
| gdb_test "p res" "\\{10, 20, 48, 72\\}.*" |
| gdb_test "down" "" |
| |
| |
| # Test "return" from vector-valued function. |
| set test "return from vector-valued function" |
| set should_kfail 0 |
| gdb_test_multiple "return (int4) \{4, 2, 7, 6\}" $test { |
| -re "#0 .* main .*$gdb_prompt $" { |
| pass $test |
| } |
| -re "The location .* is unknown.\r\n.* return value .* will be ignored.\r\n" { |
| # This happens, e.g., on s390x unless using the vector ABI. |
| set should_kfail 1 |
| exp_continue |
| } |
| -re "Make add_some_intvecs return now. .y or n. $" { |
| send_gdb "y\n" |
| exp_continue |
| } |
| } |
| |
| gdb_test "next" "" |
| set test "verify vector return value" |
| gdb_test_multiple "p res" $test { |
| -re ".*= \\{4, 2, 7, 6\\}\r\n.*$gdb_prompt $" { |
| pass $test |
| } |
| -re ".*= \\{.*\\}\r\n.*$gdb_prompt $" { |
| if { $should_kfail } { |
| # GDB had not actually set the return value, likely due to |
| # PR 8549. So accept any return value and emit a KFAIL. |
| kfail "gdb/8549" $test |
| } else { |
| fail $test |
| } |
| } |
| } |