114 lines
3.4 KiB
Text
114 lines
3.4 KiB
Text
# Copyright 2016-2022 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 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# 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, see <http://www.gnu.org/licenses/>.
|
|
|
|
# Auxiliary function to set the language to Rust.
|
|
# The result is 1 (true) for success, 0 (false) for failure.
|
|
proc set_lang_rust {} {
|
|
if [gdb_test_no_output "set language rust"] {
|
|
return 0
|
|
}
|
|
if [gdb_test "show language" ".* source language is \"rust\"." \
|
|
"set language to \"rust\""] {
|
|
return 0
|
|
}
|
|
return 1
|
|
}
|
|
|
|
proc gdb_compile_rust {sources dest options} {
|
|
set res -1
|
|
|
|
if {[llength $sources] > 1} {
|
|
error "gdb rust setup can only compile one source file at a time"
|
|
}
|
|
|
|
global board
|
|
set board [target_info name]
|
|
set multilib_flags_orig [board_info $board multilib_flags]
|
|
set multilib_flags {}
|
|
foreach op $multilib_flags_orig {
|
|
# Pretend rustc supports -pie/-no-pie/-fPIE/-fno-PIE.
|
|
switch $op {
|
|
"-pie" - "-no-pie" {
|
|
# Pass it to linker.
|
|
lappend multilib_flags -C link-arg=$op
|
|
}
|
|
"-fno-PIE" {
|
|
# Translate to rustc codegen equivalent.
|
|
|
|
# The rustc documentation insists that we should use static
|
|
# here, but that causes segfaults leading to:
|
|
# UNTESTED: gdb.rust/rawids.exp: could not run to breakpoint
|
|
# UNTESTED: gdb.rust/pp.exp: could not run to breakpoint
|
|
# Instead, we use dynamic-no-pic which does seem to work.
|
|
lappend multilib_flags -C relocation-model=dynamic-no-pic
|
|
}
|
|
"-fPIE" {
|
|
# Translate to rustc codegen equivalent.
|
|
lappend multilib_flags -C relocation-model=pic
|
|
}
|
|
default {
|
|
# Pass unmodified.
|
|
lappend multilib_flags $op
|
|
}
|
|
}
|
|
}
|
|
|
|
save_target_board_info { multilib_flags } {
|
|
unset_board_info multilib_flags
|
|
set_board_info multilib_flags "$multilib_flags"
|
|
if {[gdb_compile [lindex $sources 0] $dest executable \
|
|
$options] == ""} {
|
|
set res ""
|
|
}
|
|
}
|
|
|
|
return $res
|
|
}
|
|
|
|
# Return the version of LLVM used by the Rust compiler. Note that
|
|
# older versions of rustc don't print this -- in this case the
|
|
# returned version is "0.0".
|
|
gdb_caching_proc rust_llvm_version {
|
|
set rustc [find_rustc]
|
|
if {$rustc == ""} {
|
|
verbose "could not find rustc"
|
|
} else {
|
|
set output [lindex [remote_exec host "$rustc --version --verbose"] 1]
|
|
foreach line [split $output \n] {
|
|
if {[regexp "LLVM version: (.+)\$" $output ignore version]} {
|
|
return $version
|
|
}
|
|
}
|
|
verbose "could not match rustc version output: $output"
|
|
}
|
|
return 0.0
|
|
}
|
|
|
|
# Return the version of the Rust compiler.
|
|
gdb_caching_proc rust_compiler_version {
|
|
set rustc [find_rustc]
|
|
if {$rustc == ""} {
|
|
verbose "could not find rustc"
|
|
} else {
|
|
set output [lindex [remote_exec host "$rustc --version --verbose"] 1]
|
|
foreach line [split $output \n] {
|
|
if {[regexp "rustc (\[0-9.\]+).*\$" $output ignore version]} {
|
|
return $version
|
|
}
|
|
}
|
|
verbose "could not match rustc version output: $output"
|
|
}
|
|
return 0.0
|
|
}
|