gdb/testsuite/gdb.arch/altivec-abi.exp

   1 # Copyright (C) 2002, 2003, 2005, 2007 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18 #
  19
  20 # Tests for Powerpc AltiVec ABI
  21
  22
  23 if $tracelevel then {
  24     strace $tracelevel
  25 }
  26
  27 #
  28 # This file uses altivec-abi.c for input.
  29 #
  30
  31 set prms_id 0
  32 set bug_id 0
  33
  34 if {![istarget "powerpc*"] || [skip_altivec_tests]} then {
  35     verbose "Skipping altivec abi tests."
  36     verbose -log "Skipping altivec abi tests."
  37     return
  38 }
  39
  40 set testfile "altivec-abi"
  41 set binfile ${objdir}/${subdir}/${testfile}
  42 set srcfile ${testfile}.c
  43
  44 set compile_flags {debug nowarnings}
  45 if [get_compiler_info $binfile] {
  46     warning "get_compiler failed"
  47     return -1
  48 }
  49
  50 if [test_compiler_info gcc*] {
  51     set compile_flags "$compile_flags additional_flags=-maltivec"
  52 } elseif [test_compiler_info xlc*] {
  53     set compile_flags "$compile_flags additional_flags=-qaltivec"
  54 } else {
  55     warning "unknown compiler"
  56     return -1
  57 }
  58
  59 if  { [gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile} executable $compile_flags] != "" } {
  60      untested altivec-abi.exp
  61      return -1
  62 }
  63
  64 gdb_start
  65 gdb_reinitialize_dir $srcdir/$subdir
  66 gdb_load ${binfile}
  67
  68 #
  69 # Run to `main' where we begin our tests.
  70 #
  71
  72 if ![runto_main] then {
  73     gdb_suppress_tests
  74 }
  75
  76 gdb_test "b marker" "Breakpoint 2 at.*file.*altivec-abi.c, line \[0-9\]+." "break marker"
  77 gdb_test "continue" "Breakpoint 2.*marker.*altivec-abi.c.*" "continue to marker"
  78 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)"
  79
  80 # now all the arguments of vec_fun are initialized
  81
  82 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.."
  83
  84 set pattern1 $pattern
  85 append pattern1 " at.*altivec-abi.c.*vint_res  = vec_add.*vint_f, intv_on_stack_f.;"
  86
  87 # Now let's call the function.  This function has > 12 args,
  88 # the last one will go on the stack.
  89 gdb_test "p vec_func(vshort,vushort,vint,vuint,vchar,vuchar,vfloat,x,y,a,b,c,intv_on_stack)" \
  90 ".\[0-9\]+ = .2, 2, 2, 2." "call inferior function with vectors (1) "
  91
  92 # Let's call the function again with dummy arguments.  This is to clean
  93 # up the contents of the vector registers before the next call.
  94 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)" \
  95 ".\[0-9\]+ = .0, 0, 0, 0." "call inferior function with vectors (2) "
  96
  97 # Let's step into the function, to see if the args are printed correctly.
  98 gdb_test "step" \
  99   $pattern1 \
 100   "step into vec_fun"
 101
 102 set pattern2 $pattern
 103 append pattern2 " at.*altivec-abi.c.*main.*result = vec_func .vshort,.*goes in v2.*Value returned is.*= .2, 2, 2, 2."
 104
 105 # Let's see if the result is returned correctly.
 106 gdb_test "finish" \
 107   "Run till exit from .0.*$pattern2" \
 108   "vector value returned correctly"
 109
 110 # can we print the args correctly for this function?
 111 gdb_test "break struct_of_vector_func" "" ""
 112
 113 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.*"
 114
 115 gdb_test "continue" \
 116   "Breakpoint 3, $pattern.*vector_struct.vshort1 = vec_add .vector_struct.vshort1, vector_struct.vshort2.;" \
 117   "continue to struct_of_vector_func"
 118
 119 gdb_test "finish" \
 120   "Run till exit from .0  $pattern\[ \r\n\]+main.*altivec-abi.c.*array_of_vector_func.*" \
 121   "back to main (2)"
 122
 123 gdb_test "step" "" "step into array_of_vector_func"
 124 gdb_test "p matrix\[0\]" ".*= .1, 2, 3, 4, 5, 6, 7, 8." "print first vector"
 125 gdb_test "p matrix\[1\]" ".*= .11, 12, 13, 14, 15, 16, 17, 18." "print second vector"
 126 gdb_test "p matrix\[2\]" ".*= .21, 22, 23, 24, 25, 26, 27, 28." "print third vector"
 127 gdb_test "p matrix\[3\]" ".*= .31, 32, 33, 34, 35, 36, 37, 38." "print fourth vector"
 128