-# Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2002-2020 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 2 of the License, or
+# 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,
# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-#
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Tests for Powerpc AltiVec ABI
-if $tracelevel then {
- strace $tracelevel
-}
-
#
# This file uses altivec-abi.c for input.
#
-set prms_id 0
-set bug_id 0
-
if {![istarget "powerpc*"] || [skip_altivec_tests]} then {
verbose "Skipping altivec abi tests."
- verbose -log "Skipping altivec abi tests."
return
}
-set testfile "altivec-abi"
-set binfile ${objdir}/${subdir}/${testfile}
-set srcfile ${testfile}.c
+standard_testfile
-set compile_flags {debug additional_flags=-w}
-if [get_compiler_info $binfile] {
+if [get_compiler_info] {
warning "get_compiler failed"
return -1
}
+proc altivec_abi_tests { extra_flags force_abi } {
+ global testfile binfile srcfile srcdir subdir
+ global gdb_prompt
+
+ set compile_flags "debug nowarnings $extra_flags"
+
+ if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } {
+ untested "failed to compile"
+ return -1
+ }
+
+ if { "$force_abi" == "auto" } {
+ # If the toolchain does not record attributes, skip auto-ABI tests.
+ set readelf_program [gdb_find_readelf]
+ set result [catch "exec $readelf_program -A $binfile" output]
+
+ if {$result == 0 && ![regexp Tag_GNU_Power_ABI_Vector $output]} {
+ untested "ABI not marked"
+ return
+ }
+ }
+
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load ${binfile}
+
+ # Run to `main' where we begin our tests.
+ if ![runto_main] then {
+ untested "could not run to main"
+ return -1
+ }
+
+ gdb_test "set print frame-arguments all"
+ gdb_test "set powerpc vector-abi $force_abi"
+
+ gdb_test "b marker" "Breakpoint 2 at.*file.*altivec-abi.c, line \[0-9\]+." "break marker"
+ gdb_test "continue" "Breakpoint 2.*marker.*altivec-abi.c.*" "continue to marker"
+ gdb_test "finish" "Run till exit from .0.*marker.*at.*altivec-abi.c.*main \\(\\) at.*altivec-abi.c.*result = vec_func \\(vshort,.*goes in v2.*" "back to main (1)"
+
+ # now all the arguments of vec_fun are initialized
+
+ set pattern "vec_func .vshort_f=.111, 222, 333, 444, 555, 666, 777, 888., vushort_f=.100, 200, 300, 400, 500, 600, 700, 800., vint_f=.-10, -20, -30, -40., vuint_f=.1111, 2222, 3333, 4444., vchar_f=.97, 98, 99, 100, 101, 102, 103, 104, 105, 108, 109, 110, 111, 112, 113, 114., vuchar_f=.65, 66, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 79, 80, 81, 82., vfloat_f=.1.25, 3.75, 5.5, 1.25., x_f=.1, 2, 3, 4, 5, 6, 7, 8., y_f=.12, 22, 32, 42., a_f=.118, 101, 99, 116, 111, 114, 32, 111, 102, 32, 99, 104, 97, 114, 115, 46., b_f=.5.5, 4.5, 3.75, 2.25., c_f=.1.25, 3.5, 5.5, 7.75., intv_on_stack_f=.12, 34, 56, 78.."
+
+ set pattern1 $pattern
+ append pattern1 " at.*altivec-abi.c.*vint_res = vec_add.*vint_f, intv_on_stack_f.;"
+
+ # Now let's call the function. This function has > 12 args,
+ # the last one will go on the stack.
+ set msg "call inferior function with vectors (1)"
+ gdb_test "p vec_func(vshort,vushort,vint,vuint,vchar,vuchar,vfloat,x,y,a,b,c,intv_on_stack)" \
+ ".\[0-9\]+ = .14, 36, 58, 80." "call inferior function with vectors (1)"
+
+
+ # Let's call the function again with dummy arguments. This is to clean
+ # up the contents of the vector registers before the next call.
+ gdb_test "p vec_func(vshort_d,vushort_d,vint_d,vuint_d,vchar_d,vuchar_d,vfloat_d,x_d,y_d,a_d,b_d,c_d,intv_on_stack_d)" \
+ ".\[0-9\]+ = .0, 0, 0, 0." "call inferior function with vectors (2)"
+
+ # Attempt to take address of the return value of vec_func.
+ gdb_test "p &vec_func(vshort,vushort,vint,vuint,vchar,vuchar,vfloat,x,y,a,b,c,intv_on_stack)" \
+ "Attempt to take address of value not located in memory." \
+ "Attempt to take address of the return value of vec_func"
+
+ # Attempt to assign a value to the return value of vec_func.
+ gdb_test "set variable vec_func(vshort,vushort,vint,vuint,vchar,vuchar,vfloat,x,y,a,b,c,intv_on_stack) = {0,1,2,3}" \
+ "Left operand of assignment is not an lvalue." \
+ "Attempt to assign a value to the return value of vec_func"
+
+ # Let's step into the function, to see if the args are printed correctly.
+ gdb_test "step" \
+ $pattern1 \
+ "step into vec_fun"
+
+ set pattern2 $pattern
+ append pattern2 " at.*altivec-abi.c.*main.*result = vec_func .vshort,.*goes in v2.*Value returned is.*= .14, 36, 58, 80."
+
+ # Let's see if the result is returned correctly.
+ set message "vector value returned correctly"
+ gdb_test_multiple "finish" $message {
+ -re "Run till exit from .0.*$pattern2.*$gdb_prompt $" {
+ pass $message
+ }
+ -re "Run till exit from .0.*Cannot determine contents.*$gdb_prompt $" {
+ # This happens in those cases where the vector is returned by
+ # reference (generic vectors on 64-bit GNU/Linux).
+ pass $message
+ }
+ }
+
+ # can we print the args correctly for this function?
+ gdb_test "break struct_of_vector_func" "" ""
+
+ set pattern "struct_of_vector_func .vector_struct=.vshort1 = .1, 2, 3, 4, 5, 6, 7, 8., vshort2 = .11, 12, 13, 14, 15, 16, 17, 18., vshort3 = .21, 22, 23, 24, 25, 26, 27, 28., vshort4 = .31, 32, 33, 34, 35, 36, 37, 38... at.*altivec-abi.c.*"
+
+ gdb_test "continue" \
+ "Breakpoint 3, $pattern.*vector_struct.vshort1 = vec_add .vector_struct.vshort1, vector_struct.vshort2.;" \
+ "continue to struct_of_vector_func"
+
+ gdb_test "finish" \
+ "Run till exit from .0 $pattern\[ \r\n\]+main.*altivec-abi.c.*array_of_vector_func.*" \
+ "back to main (2)"
+
+ gdb_test "step" "" "step into array_of_vector_func"
+ gdb_test "p matrix\[0\]" ".*= .1, 2, 3, 4, 5, 6, 7, 8." "print first vector"
+ gdb_test "p matrix\[1\]" ".*= .11, 12, 13, 14, 15, 16, 17, 18." "print second vector"
+ gdb_test "p matrix\[2\]" ".*= .21, 22, 23, 24, 25, 26, 27, 28." "print third vector"
+ gdb_test "p matrix\[3\]" ".*= .31, 32, 33, 34, 35, 36, 37, 38." "print fourth vector"
+}
+
if [test_compiler_info gcc*] {
- set compile_flags "$compile_flags additional_flags=-maltivec"
+ set binprefix ${binfile}
+
+ with_test_prefix "default ABI, auto" {
+ altivec_abi_tests "additional_flags=-maltivec" "auto"
+ }
+
+ # On GNU/Linux, we can mix -mabi=no-altivec and -mabi=altivec.
+ # So test some combinations.
+ if { [istarget "powerpc*-linux*"] } {
+ # On 64-bit GNU/Linux with GCC 4.1 and 4.2, -mabi=no-altivec
+ # was broken, so skip those tests there.
+ if { ![is_lp64_target] || ![test_compiler_info "gcc-4-\[12\]-*"] } {
+ set binfile ${binprefix}-ge-ge
+ with_test_prefix "generic ABI, forced" {
+ altivec_abi_tests "additional_flags=-maltivec additional_flags=-mabi=no-altivec" "generic"
+ }
+
+ set binfile ${binprefix}-ge-auto
+ with_test_prefix "generic ABI, auto" {
+ altivec_abi_tests "additional_flags=-maltivec additional_flags=-mabi=no-altivec" "auto"
+ }
+ }
+
+ set binfile ${binprefix}-av-av
+ with_test_prefix "AltiVec ABI, forced" {
+ altivec_abi_tests "additional_flags=-maltivec additional_flags=-mabi=altivec" "altivec"
+ }
+
+ set binfile ${binprefix}-av-auto
+ with_test_prefix "AltiVec ABI, auto" {
+ altivec_abi_tests "additional_flags=-maltivec additional_flags=-mabi=altivec" "auto"
+ }
+ }
} elseif [test_compiler_info xlc*] {
- set compile_flags "$compile_flags additional_flags=-qaltivec"
+ altivec_abi_tests "additional_flags=-qaltivec" "auto"
} else {
warning "unknown compiler"
return -1
}
-
-if { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
-}
-
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load ${binfile}
-
-#
-# Run to `main' where we begin our tests.
-#
-
-if ![runto_main] then {
- gdb_suppress_tests
-}
-
-gdb_test "b marker" "Breakpoint 2 at.*file.*altivec-abi.c, line \[0-9\]+." "break marker"
-gdb_test "continue" "Breakpoint 2.*marker.*altivec-abi.c.*" "continue to marker"
-gdb_test "finish" "Run till exit from .0.*in marker.*at.*altivec-abi.c.*main \\(\\) at.*altivec-abi.c.*result = vec_func \\(vshort,.*goes in v2.*" "back to main (1)"
-
-# now all the arguments of vec_fun are initialized
-
-set pattern "vec_func .vshort_f=.111, 222, 333, 444, 555, 666, 777, 888., vushort_f=.100, 200, 300, 400, 500, 600, 700, 800., vint_f=.-10, -20, -30, -40., vuint_f=.1111, 2222, 3333, 4444., vchar_f=.abcdefghilmnopqr., vuchar_f=.ABCDEFGHILMNOPQR., vfloat_f=.1.25, 3.75, 5.5, 1.25., x_f=.1, 2, 3, 4, 5, 6, 7, 8., y_f=.12, 22, 32, 42., a_f=.vector of chars.., b_f=.5.5, 4.5, 3.75, 2.25., c_f=.1.25, 3.5, 5.5, 7.75., intv_on_stack_f=.12, 34, 56, 78.."
-
-set pattern1 $pattern
-append pattern1 " at.*altivec-abi.c.*vint_res = vec_add.*vint_f, intv_on_stack_f.;"
-
-# Now let's call the function. This function has > 12 args,
-# the last one will go on the stack.
-gdb_test "p vec_func(vshort,vushort,vint,vuint,vchar,vuchar,vfloat,x,y,a,b,c,intv_on_stack)" \
-".\[0-9\]+ = .2, 2, 2, 2." "call inferior function with vectors (1) "
-
-# Let's call the function again with dummy arguments. This is to clean
-# up the contents of the vector registers before the next call.
-gdb_test "p vec_func(vshort_d,vushort_d,vint_d,vuint_d,vchar_d,vuchar_d,vfloat_d,x_d,y_d,a_d,b_d,c_d,intv_on_stack_d)" \
-".\[0-9\]+ = .0, 0, 0, 0." "call inferior function with vectors (2) "
-
-# Let's step into the function, to see if the args are printed correctly.
-gdb_test "step" \
- $pattern1 \
- "step into vec_fun"
-
-set pattern2 $pattern
-append pattern2 " at.*altivec-abi.c.*in main.*result = vec_func .vshort,.*goes in v2.*Value returned is.*= .2, 2, 2, 2."
-
-# Let's see if the result is returned correctly.
-gdb_test "finish" \
- "Run till exit from .0.*$pattern2" \
- "vector value returned correctly"
-
-# can we print the args correctly for this function?
-gdb_test "break struct_of_vector_func" "" ""
-
-set pattern "struct_of_vector_func .vector_struct=.vshort1 = .1, 2, 3, 4, 5, 6, 7, 8., vshort2 = .11, 12, 13, 14, 15, 16, 17, 18., vshort3 = .21, 22, 23, 24, 25, 26, 27, 28., vshort4 = .31, 32, 33, 34, 35, 36, 37, 38... at.*altivec-abi.c.*"
-
-gdb_test "continue" \
- "Breakpoint 3, $pattern.*vector_struct.vshort1 = vec_add .vector_struct.vshort1, vector_struct.vshort2.;" \
- "continue to struct_of_vector_func"
-
-gdb_test "finish" \
- "Run till exit from .0 $pattern\[ \r\n\]+main.*altivec-abi.c.*array_of_vector_func.*" \
- "back to main (2)"
-
-gdb_test "step" "" "step into array_of_vector_func"
-gdb_test "p matrix\[0\]" ".*= .1, 2, 3, 4, 5, 6, 7, 8." "print first vector"
-gdb_test "p matrix\[1\]" ".*= .11, 12, 13, 14, 15, 16, 17, 18." "print second vector"
-gdb_test "p matrix\[2\]" ".*= .21, 22, 23, 24, 25, 26, 27, 28." "print third vector"
-gdb_test "p matrix\[3\]" ".*= .31, 32, 33, 34, 35, 36, 37, 38." "print fourth vector"
-
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