From: Philip Herron Date: Tue, 23 Aug 2022 14:59:12 +0000 (+0100) Subject: gccrs: Add Debug info testsuite X-Git-Tag: upstream/13.1.0~2611 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4b8f3005af0ddfd409f43e671b817f846e3c47e4;p=platform%2Fupstream%2Fgcc.git gccrs: Add Debug info testsuite This testsuite is specifically about testcases which scan the asm debug info for results. gcc/testsuite/ * rust/debug/chartype.rs: New. * rust/debug/custom_link_section.rs: New. * rust/debug/debug.exp: New. * rust/debug/i8u8.rs: New. * rust/debug/lang.rs: New. * rust/debug/no_mangle.rs: New. * rust/debug/oldlang.rs: New. * rust/debug/tuple.rs: New. * rust/debug/win64-abi.rs: New. Co-authored-by: Tom Tromey Co-authored-by: Mark Wielaard Co-authored-by: Marc Poulhiès --- diff --git a/gcc/testsuite/rust/debug/chartype.rs b/gcc/testsuite/rust/debug/chartype.rs new file mode 100644 index 0000000..69e7ab0 --- /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 0000000..142f351 --- /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 0000000..c71b593 --- /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 +# . + +# 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 0000000..1cd21a4 --- /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 0000000..12e0b58 --- /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 0000000..0cef404 --- /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 0000000..648d6b7 --- /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 0000000..e51a5ff --- /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 0000000..b2b08cd --- /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); +}