From: Philip Herron <philip.her...@embecosm.com> This testsuite is specifically about testcases which scan the asm debug info for results.
Co-authored-by: Tom Tromey <t...@tromey.com> Co-authored-by: Mark Wielaard <m...@klomp.org> Co-authored-by: Marc Poulhiès <d...@kataplop.net> --- gcc/testsuite/rust/debug/chartype.rs | 10 ++++++ .../rust/debug/custom_link_section.rs | 13 ++++++++ gcc/testsuite/rust/debug/debug.exp | 33 +++++++++++++++++++ gcc/testsuite/rust/debug/i8u8.rs | 12 +++++++ gcc/testsuite/rust/debug/lang.rs | 6 ++++ gcc/testsuite/rust/debug/no_mangle.rs | 17 ++++++++++ gcc/testsuite/rust/debug/oldlang.rs | 6 ++++ gcc/testsuite/rust/debug/tuple.rs | 8 +++++ gcc/testsuite/rust/debug/win64-abi.rs | 11 +++++++ 9 files changed, 116 insertions(+) create mode 100644 gcc/testsuite/rust/debug/chartype.rs create mode 100644 gcc/testsuite/rust/debug/custom_link_section.rs create mode 100644 gcc/testsuite/rust/debug/debug.exp create mode 100644 gcc/testsuite/rust/debug/i8u8.rs create mode 100644 gcc/testsuite/rust/debug/lang.rs create mode 100644 gcc/testsuite/rust/debug/no_mangle.rs create mode 100644 gcc/testsuite/rust/debug/oldlang.rs create mode 100644 gcc/testsuite/rust/debug/tuple.rs create mode 100644 gcc/testsuite/rust/debug/win64-abi.rs diff --git a/gcc/testsuite/rust/debug/chartype.rs b/gcc/testsuite/rust/debug/chartype.rs new file mode 100644 index 00000000000..69e7ab0b17f --- /dev/null +++ b/gcc/testsuite/rust/debug/chartype.rs @@ -0,0 +1,10 @@ +// 'char' should use DW_ATE_UTF +fn main () { + let c = 'x'; +// { dg-do compile } +// Use -w to avoid warnings about the unused variables +// DW_ATE_UTF entered in DWARF 4. +// { dg-options "-w -gdwarf-4 -dA" } +// DW_ATE_UTF = 0x10 +// { dg-final { scan-assembler "0x10\[ \t]\[^\n\r]* DW_AT_encoding" } } */ +} diff --git a/gcc/testsuite/rust/debug/custom_link_section.rs b/gcc/testsuite/rust/debug/custom_link_section.rs new file mode 100644 index 00000000000..142f3513136 --- /dev/null +++ b/gcc/testsuite/rust/debug/custom_link_section.rs @@ -0,0 +1,13 @@ +#[link_section = ".universe"] +fn not_in_text() -> i32 { + 42 +} + +fn main() -> i32 { +// { dg-do compile } +// { dg-options "-gdwarf-5 -dA -w" } + not_in_text(); +// { dg-final { scan-assembler ".universe" } } */ + + 0 +} diff --git a/gcc/testsuite/rust/debug/debug.exp b/gcc/testsuite/rust/debug/debug.exp new file mode 100644 index 00000000000..c71b5930d90 --- /dev/null +++ b/gcc/testsuite/rust/debug/debug.exp @@ -0,0 +1,33 @@ +# Copyright (C) 2021-2022 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 GCC; see the file COPYING3. If not see +# <http://www.gnu.org/licenses/>. + +# Debugging tests. + +# Load support procs. +load_lib rust-dg.exp + +# Initialize `dg'. +dg-init + +# Main loop. +set saved-dg-do-what-default ${dg-do-what-default} + +set dg-do-what-default "compile" +dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.rs]] "" "" +set dg-do-what-default ${saved-dg-do-what-default} + +# All done. +dg-finish diff --git a/gcc/testsuite/rust/debug/i8u8.rs b/gcc/testsuite/rust/debug/i8u8.rs new file mode 100644 index 00000000000..1cd21a4a8ff --- /dev/null +++ b/gcc/testsuite/rust/debug/i8u8.rs @@ -0,0 +1,12 @@ +// i8 and u8 types should not have the DWARF 'char' encoding. +fn main () { + let x : i8 = 5; + let y : u8 = 7; +// { dg-do compile } +// Use -w to avoid warnings about the unused variables +// { dg-options "-w -g -dA" } +// DW_ATE_signed_char = 6 +// { dg-final { scan-assembler-not "0x6\[ \t]\[^\n\r]* DW_AT_encoding" } } */ +// DW_ATE_unsigned_char = 8 +// { dg-final { scan-assembler-not "0x8\[ \t]\[^\n\r]* DW_AT_encoding" } } */ +} diff --git a/gcc/testsuite/rust/debug/lang.rs b/gcc/testsuite/rust/debug/lang.rs new file mode 100644 index 00000000000..12e0b587a02 --- /dev/null +++ b/gcc/testsuite/rust/debug/lang.rs @@ -0,0 +1,6 @@ +fn main () { +// { dg-do compile } +// { dg-options "-gdwarf-5 -dA" } +// DW_LANG_Rust is 0x1c +// { dg-final { scan-assembler "0x1c\[ \t]\[^\n\r]* DW_AT_language" } } */ +} diff --git a/gcc/testsuite/rust/debug/no_mangle.rs b/gcc/testsuite/rust/debug/no_mangle.rs new file mode 100644 index 00000000000..0cef40482f4 --- /dev/null +++ b/gcc/testsuite/rust/debug/no_mangle.rs @@ -0,0 +1,17 @@ +#[no_mangle] +fn do_not_mangle() -> i32 { + 0 +} + +fn please_mangle() {} + +fn main() { +// { dg-do compile } +// { dg-options "-gdwarf-5 -dA" } + let _ = do_not_mangle(); + please_mangle(); +// look for unmangled function name: +// { dg-final { scan-assembler "do_not_mangle:" } } */ +// look for legacy mangled function name: +// { dg-final { scan-assembler "13please_mangle" } } */ +} diff --git a/gcc/testsuite/rust/debug/oldlang.rs b/gcc/testsuite/rust/debug/oldlang.rs new file mode 100644 index 00000000000..648d6b78f06 --- /dev/null +++ b/gcc/testsuite/rust/debug/oldlang.rs @@ -0,0 +1,6 @@ +fn main () { +// { dg-do compile } +// { dg-options "-gstrict-dwarf -gdwarf-3 -dA" } +// Strict DWARF < 5 uses DW_LANG_C = 0x0002 +// { dg-final { scan-assembler "0x2\[ \t]\[^\n\r]* DW_AT_language" } } */ +} diff --git a/gcc/testsuite/rust/debug/tuple.rs b/gcc/testsuite/rust/debug/tuple.rs new file mode 100644 index 00000000000..e51a5ffdbb6 --- /dev/null +++ b/gcc/testsuite/rust/debug/tuple.rs @@ -0,0 +1,8 @@ +fn main () { +// { dg-do compile } +// { dg-options "-gdwarf-5 -dA -w" } + let x = (32, 32); +// Look for field __0 and __1 +// { dg-final { scan-assembler "__0" } } */ +// { dg-final { scan-assembler "__1" } } */ +} diff --git a/gcc/testsuite/rust/debug/win64-abi.rs b/gcc/testsuite/rust/debug/win64-abi.rs new file mode 100644 index 00000000000..b2b08cd5114 --- /dev/null +++ b/gcc/testsuite/rust/debug/win64-abi.rs @@ -0,0 +1,11 @@ +// { dg-do compile { target { x86_64-*-* } } } +// { dg-options "-gdwarf-5 -dA -w -O1 -m64" } +pub extern "win64" fn square(num: i32) -> i32 { + num * num +} + +fn main() { + // MS ABI dictates that the first argument is ecx instead of edi from the sysv world + // { dg-final { scan-assembler "%ecx, %ecx" } } + square(1); +} -- 2.38.1