gdb/testsuite/lib/rust-support.exp

   1 # Copyright 2016-2021 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 # Auxiliary function to set the language to Rust.
  17 # The result is 1 (true) for success, 0 (false) for failure.
  18 proc set_lang_rust {} {
  19     if [gdb_test_no_output "set language rust"] {
  20         return 0
  21     }
  22     if [gdb_test "show language" ".* source language is \"rust\"." \
  23            "set language to \"rust\""] {
  24         return 0
  25     }
  26     return 1
  27 }
  28
  29 proc gdb_compile_rust {sources dest options} {
  30     if {[llength $sources] > 1} {
  31         error "gdb rust setup can only compile one source file at a time"
  32     }
  33     if {[gdb_compile [lindex $sources 0] $dest executable $options] != ""} {
  34         return -1
  35     }
  36     return ""
  37 }
  38
  39 # Return the version of LLVM used by the Rust compiler.  Note that
  40 # older versions of rustc don't print this -- in this case the
  41 # returned version is "0.0".
  42 gdb_caching_proc rust_llvm_version {
  43     set rustc [find_rustc]
  44     if {$rustc == ""} {
  45         verbose "could not find rustc"
  46     } else {
  47         set output [lindex [remote_exec host "$rustc --version --verbose"] 1]
  48         foreach line [split $output \n] {
  49             if {[regexp "LLVM version: (.+)\$" $output ignore version]} {
  50                 return $version
  51             }
  52         }
  53         verbose "could not match rustc version output: $output"
  54     }
  55     return 0.0
  56 }
  57
  58 # Return the version of the Rust compiler.
  59 gdb_caching_proc rust_compiler_version {
  60     set rustc [find_rustc]
  61     if {$rustc == ""} {
  62         verbose "could not find rustc"
  63     } else {
  64         set output [lindex [remote_exec host "$rustc --version --verbose"] 1]
  65         foreach line [split $output \n] {
  66             if {[regexp "rustc (\[0-9.\]+) .*\$" $output ignore version]} {
  67                 return $version
  68             }
  69         }
  70         verbose "could not match rustc version output: $output"
  71     }
  72     return 0.0
  73 }