213516ef31
This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
279 lines
12 KiB
Text
279 lines
12 KiB
Text
# Copyright 2010-2023 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#
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# Contributed by Ken Werner <ken.werner@de.ibm.com>.
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#
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# Tests GDBs support for GNU vectors.
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# http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html
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standard_testfile .c
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# If supported by the compiler, "-mcpu=native" or "-march=native"
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# should enable the highest available vector ABI. Try both, then try
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# without a CPU option. If all variants fail, assume that the
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# compiler can not handle GNU vectors.
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proc do_compile { {opts {}} } {
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global srcdir subdir srcfile binfile
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set ccopts {debug quiet}
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foreach opt $opts {lappend ccopts "additional_flags=$opt"}
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gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile" executable $ccopts
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}
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if { [do_compile {-mcpu=native}] != ""
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&& [do_compile {-mcpu=native -Wno-psabi}] != ""
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&& [do_compile {-march=native}] != ""
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&& [do_compile] != ""} {
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untested "compiler can't handle vector_size attribute?"
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return -1
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}
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clean_restart ${binfile}
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if { ![runto_main] } {
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return -1
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}
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# Get endianess for the scalar->vector casts
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set endian [get_endianness]
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# Test printing of character vector types
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gdb_test "print c4" "\\\$$decimal = \\{1, 2, 3, 4\\}"
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gdb_test "print c4\[2\]" "\\\$$decimal = 3"
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# Test operators on integer vector types
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gdb_test "print i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print i4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
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# Arithmetic operators
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gdb_test "print i4a + i4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
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gdb_test "print i4a - i4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
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gdb_test "print i4a * i4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
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gdb_test "print i4a / i4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
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gdb_test "print i4a % i4b" "\\\$$decimal = \\{0, 0, 0, 0\\}"
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gdb_test "print i4a++" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print ++i4a" "\\\$$decimal = \\{4, 6, 10, 18\\}"
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gdb_test "print i4a--" "\\\$$decimal = \\{4, 6, 10, 18\\}"
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gdb_test "print --i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print +i4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print -i4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
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# Bitwise operators
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gdb_test "print i4a & i4b" "\\\$$decimal = \\{0, 0, 8, 0\\}"
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gdb_test "print i4a | i4b" "\\\$$decimal = \\{3, 6, 8, 20\\}"
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gdb_test "print i4a ^ i4b" "\\\$$decimal = \\{3, 6, 0, 20\\}"
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gdb_test "print ~i4a" "\\\$$decimal = \\{-3, -5, -9, -17\\}"
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# Shift operators
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gdb_test "print i4a << i4b" "\\\$$decimal = \\{4, 16, 2048, 256\\}"
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gdb_test "print i4a >> i4b" "\\\$$decimal = \\{1, 1, 0, 1\\}"
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# Test operators on floating point vector types
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gdb_test "print f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print f4b" "\\\$$decimal = \\{1, 2, 8, 4\\}"
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# Arithmetic operators
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gdb_test "print f4a + f4b" "\\\$$decimal = \\{3, 6, 16, 20\\}"
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gdb_test "print f4a - f4b" "\\\$$decimal = \\{1, 2, 0, 12\\}"
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gdb_test "print f4a * f4b" "\\\$$decimal = \\{2, 8, 64, 64\\}"
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gdb_test "print f4a / f4b" "\\\$$decimal = \\{2, 2, 1, 4\\}"
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gdb_test "print +f4a" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print -f4a" "\\\$$decimal = \\{-2, -4, -8, -16\\}"
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# When casting to vector the input type must have the same length as
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# the total length of the vector.
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gdb_test "print (char4) 0x01010101" "\\\$$decimal = \\{1, 1, 1, 1\\}"
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gdb_test "print (int2) lla" "\\\$$decimal = \\{1, 1\\}"
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# Check that "whatis" doesn't peel off the destination type's typedef
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# by mistake, in expressions that involve a cast to typedef type.
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gdb_test "whatis (char4) 0x01010101" "type = char4"
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gdb_test "whatis (int2) lla" "type = int2"
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# Check that OTOH "ptype" does peel off the destination type's
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# typedef.
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gdb_test "ptype (char4) 0x01010101" \
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"type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "ptype (int2) lla" \
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"type = int __attribute__ \\(\\(vector_size\\(2\\)\\)\\)"
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if {![string compare $endian big]} {
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gdb_test "print (char4) ia" "\\\$$decimal = \\{0, 0, 0, 2\\}"
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} else {
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gdb_test "print (char4) ia" "\\\$$decimal = \\{2, 0, 0, 0\\}"
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}
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gdb_test "print (int2) 1" "can only cast scalar to vector of same size"
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gdb_test "print (longlong2) 2" "can only cast scalar to vector of same size"
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gdb_test "print (float2) 3" "can only cast scalar to vector of same size"
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gdb_test "print (double2) 4" "can only cast scalar to vector of same size"
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gdb_test "print (uint4) ia" "can only cast scalar to vector of same size"
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gdb_test "print (int4) -3" "can only cast scalar to vector of same size"
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gdb_test "print (float4) 4" "can only cast scalar to vector of same size"
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gdb_test "print i4b = ia" "can only cast scalar to vector of same size"
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gdb_test "print i4a = 3" "can only cast scalar to vector of same size"
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gdb_test "print f4a = fb" "can only cast scalar to vector of same size"
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gdb_test "print f4b = 2" "can only cast scalar to vector of same size"
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gdb_test "print c4 + lla" "conversion of scalar to vector involves truncation"
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gdb_test "print i4a + lla" "conversion of scalar to vector involves truncation"
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gdb_test "print lla + c4" "conversion of scalar to vector involves truncation"
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gdb_test "print lla + i4a" "conversion of scalar to vector involves truncation"
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gdb_test "print c4 + ib" "\\\$$decimal = \\{2, 3, 4, 5\\}"
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gdb_test "print i4a + ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
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gdb_test "print i4a + 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
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gdb_test "print 1 + i4a" "\\\$$decimal = \\{3, 5, 9, 17\\}"
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gdb_test "print fa - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
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gdb_test "print 2 - f4b" "\\\$$decimal = \\{1, 0, -6, -2\\}"
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gdb_test "print f4a * fb" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print f4a * 1" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print ia / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
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gdb_test "print 2 / i4b" "\\\$$decimal = \\{2, 1, 0, 0\\}"
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gdb_test "print i4a % ib" "\\\$$decimal = \\{0, 0, 0, 0\\}"
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gdb_test "print i4a % 1" "\\\$$decimal = \\{0, 0, 0, 0\\}"
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gdb_test "print ia & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
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gdb_test "print 2 & i4b" "\\\$$decimal = \\{0, 2, 0, 0\\}"
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gdb_test "print i4a | ib" "\\\$$decimal = \\{3, 5, 9, 17\\}"
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gdb_test "print i4a | 1" "\\\$$decimal = \\{3, 5, 9, 17\\}"
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gdb_test "print ia ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
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gdb_test "print 2 ^ i4b" "\\\$$decimal = \\{3, 0, 10, 6\\}"
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gdb_test "print i4a << ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
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gdb_test "print i4a << 1" "\\\$$decimal = \\{4, 8, 16, 32\\}"
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gdb_test "print i4a >> ib" "\\\$$decimal = \\{1, 2, 4, 8\\}"
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gdb_test "print i4a >> 1" "\\\$$decimal = \\{1, 2, 4, 8\\}"
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gdb_test "print i4a = \{2, 4, 8, 16\}" "\\\$$decimal = \\{2, 4, 8, 16\\}"
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gdb_test "print i4a <<= ib" "\\\$$decimal = \\{4, 8, 16, 32\\}"
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# Test some error scenarios
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gdb_test "print i4a + d2" "Cannot perform operation on vectors with different types"
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gdb_test "print d2 + i4a" "Cannot perform operation on vectors with different types"
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gdb_test "print f4a + ll2" "Cannot perform operation on vectors with different types"
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gdb_test "print ll2 + f4a" "Cannot perform operation on vectors with different types"
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gdb_test "print i2 + ll2" "Cannot perform operation on vectors with different types"
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gdb_test "print ll2 + i2" "Cannot perform operation on vectors with different types"
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gdb_test "print i4a + ll2" "Cannot perform operation on vectors with different types"
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gdb_test "print ll2 + i4a" "Cannot perform operation on vectors with different types"
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gdb_test "print f4a + d2" "Cannot perform operation on vectors with different types"
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gdb_test "print d2 + f4a" "Cannot perform operation on vectors with different types"
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gdb_test "print ui4 + i4a" "Cannot perform operation on vectors with different types"
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gdb_test "print i4a + ui4" "Cannot perform operation on vectors with different types"
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gdb_test "print i4a + i2" "Cannot perform operation on vectors with different types"
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gdb_test "print i2 + i4a" "Cannot perform operation on vectors with different types"
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gdb_test "print f4a + f2" "Cannot perform operation on vectors with different types"
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gdb_test "print f2 + f4a" "Cannot perform operation on vectors with different types"
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gdb_test "print (double2) f2" "Cannot convert between vector values of different sizes"
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gdb_test "print (int4) c4" "Cannot convert between vector values of different sizes"
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gdb_test "print (char4) i4a" "Cannot convert between vector values of different sizes"
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# Test ptype/whatis on vector types/vars.
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gdb_test "ptype c4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis c4" "type = char4"
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gdb_test "ptype char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis char4" "type = char __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "ptype i4a" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis i4a" "type = int4"
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gdb_test "ptype int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis int4" "type = int __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "ptype f4b" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis f4b" "type = float4"
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gdb_test "ptype float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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gdb_test "whatis float4" "type = float __attribute__ \\(\\(vector_size\\(4\\)\\)\\)"
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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}"
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gdb_test "whatis union_with_vector_1" {type = union {...}}
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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}"
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gdb_test "whatis struct_with_vector_1" {type = struct {...}}
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# Test inferior function calls with vector arguments and/or vector
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# return values.
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if { [istarget "i?86-*-*"] || [istarget "x86_64-*-*" ] } {
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# These platforms don't support infcalls with vector arguments
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# and/or vector return values, so skip the remaining tests.
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# See also PR exp/18537.
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unsupported "skip remaining vector ABI tests on this arch"
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return
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}
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gdb_test "print add_some_intvecs(i4a, i4b, 3 * i4a)" "= \\{17, 34, 72, 132\\}" \
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"call add_some_intvecs"
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gdb_test "print add_many_charvecs(c4, c4, c4, c4, c4, c4, c4, c4, c4, c4)" \
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"= \\{10, 20, 30, 40\\}" "call add_many_charvecs"
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gdb_test "print add_various_floatvecs(2, f4a, f4b)" "= \\{3, 6, 16, 20\\}" \
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"call add_various_floatvecs"
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gdb_test "print add_structvecs(i2, (struct just_int2)\{2*i2\}, (struct two_int2)\{3*i2, 4*i2\})" \
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"= \\{i = \\{10, 20\\}\\}" "call add_structvecs"
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gdb_test "print add_singlevecs((char1) \{6\}, (int1) \{12\}, (double1) \{24\})" "= \\{42\\}" \
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"call add_singlevecs"
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gdb_breakpoint "add_some_intvecs"
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# Test "finish" from vector-valued function.
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with_test_prefix "finish from vector function" {
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gdb_continue "add_some_intvecs"
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gdb_test_multiple "finish" "shows vector return value" {
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-re "Value returned is .* = \\{10, 20, 48, 72\\}.*$gdb_prompt $" {
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pass $gdb_test_name
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}
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-re "Value returned has type: .* Cannot determine contents.*$gdb_prompt $" {
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kfail "gdb/8549" $gdb_test_name
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}
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}
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}
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gdb_continue "add_some_intvecs"
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gdb_test "up" ""
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gdb_test "p res" "\\{10, 20, 48, 72\\}.*"
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gdb_test "down" ""
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# Test "return" from vector-valued function.
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set test "return from vector-valued function"
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set should_kfail 0
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gdb_test_multiple "return (int4) \{4, 2, 7, 6\}" $test {
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-re "#0 .* main .*$gdb_prompt $" {
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pass $test
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}
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-re "The location .* is unknown.\r\n.* return value .* will be ignored.\r\n" {
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# This happens, e.g., on s390x unless using the vector ABI.
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set should_kfail 1
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exp_continue
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}
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-re "Make add_some_intvecs return now. .y or n. $" {
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send_gdb "y\n"
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exp_continue
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}
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}
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gdb_test "next" ""
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set test "verify vector return value"
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gdb_test_multiple "p res" $test {
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-re ".*= \\{4, 2, 7, 6\\}\r\n.*$gdb_prompt $" {
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pass $test
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}
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-re ".*= \\{.*\\}\r\n.*$gdb_prompt $" {
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if { $should_kfail } {
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# GDB had not actually set the return value, likely due to
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# PR 8549. So accept any return value and emit a KFAIL.
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kfail "gdb/8549" $test
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} else {
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fail $test
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}
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}
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}
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