gdb/testsuite/gdb.arch/ftrace-insn-reloc.exp

   1 # Copyright 2015-2024 Free Software Foundation, Inc.
   2 # This program is free software; you can redistribute it and/or modify
   3 # it under the terms of the GNU General Public License as published by
   4 # the Free Software Foundation; either version 3 of the License, or
   5 # (at your option) any later version.
   6 #
   7 # This program is distributed in the hope that it will be useful,
   8 # but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 # GNU General Public License for more details.
  11 #
  12 # You should have received a copy of the GNU General Public License
  13 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  14
  15 load_lib "trace-support.exp"
  16
  17 standard_testfile insn-reloc.c
  18
  19 # Some targets have leading underscores on assembly symbols.
  20 set additional_flags [gdb_target_symbol_prefix_flags]
  21
  22 if [prepare_for_testing "failed to prepare" $testfile-no-ipa $srcfile \
  23         [list debug $additional_flags]] {
  24     return -1
  25 }
  26
  27 if ![runto_main] {
  28     return -1
  29 }
  30
  31 if ![gdb_target_supports_trace] {
  32     unsupported "target does not support trace"
  33     return -1
  34 }
  35
  36 set libipa [get_in_proc_agent]
  37
  38 # Can't use prepare_for_testing, because that splits compiling into
  39 # building objects and then linking, and we'd fail with "linker input
  40 # file unused because linking not done" when building the object.
  41
  42 if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
  43           executable [list debug $additional_flags shlib=$libipa] ] != "" } {
  44     untested "failed to compile"
  45     return -1
  46 }
  47 clean_restart $testfile
  48 set remote_libipa [gdb_load_shlib $libipa]
  49
  50 if ![runto_main] {
  51     return 0
  52 }
  53
  54 gdb_reinitialize_dir $srcdir/$subdir
  55
  56 if { [gdb_test "info sharedlibrary" ".*[file tail $libipa].*" "IPA loaded"] != 0 } {
  57     untested "could not find IPA lib loaded"
  58     return 1
  59 }
  60
  61 # Read function name from testcases[N].
  62
  63 proc read_testcase { n } {
  64     global gdb_prompt
  65
  66     set result -1
  67     gdb_test_multiple "print testcases\[${n}\]" "read name of test case ${n}" {
  68         -re "\[$\].*= .*<(.*)>.*$gdb_prompt $" {
  69             set result $expect_out(1,string)
  70         }
  71         -re "$gdb_prompt $" { }
  72     }
  73
  74     return $result
  75 }
  76
  77 set n_testcases [gdb_readexpr "n_testcases"]
  78
  79 if { ${n_testcases} == 0 } {
  80     untested "no instruction relocation to test"
  81     return 1
  82 }
  83
  84 # Set a fast tracepoint on each set_point${i} symbol.  There is one for
  85 # each testcase.
  86 for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
  87     set testcase [read_testcase $i]
  88
  89     gdb_test "ftrace *set_point$i" "Fast tracepoint .*" \
  90         "fast tracepoint on ${testcase}"
  91 }
  92
  93 gdb_test "break pass" ".*" ""
  94 gdb_test "break fail" ".*" ""
  95
  96 gdb_test_no_output "tstart" "start trace experiment"
  97
  98 # Make sure we have hit the pass breakpoint for each testcase.
  99 for { set i 0 } { ${i} < ${n_testcases} } { incr i } {
 100     set testcase [read_testcase $i]
 101
 102     gdb_test "continue" \
 103         ".*Breakpoint \[0-9\]+, pass \(\).*" \
 104         "relocated instruction at ${testcase}"
 105 }
 106
 107 gdb_test "tstatus" ".*Collected ${n_testcases} trace frames.*" "check on trace status"
 108
 109 gdb_test "tstop" "" ""