From: Tom Tromey <tom@tromey.com>
To: Andrew Burgess via Gdb-patches <gdb-patches@sourceware.org>
Cc: Andrew Burgess <aburgess@redhat.com>
Subject: Re: [PATCH 5/6] gdb/testsuite: fix gdb.debuginfod/fetch_src_and_symbols.exp with Clang
Date: Wed, 16 Nov 2022 09:29:36 -0700 [thread overview]
Message-ID: <87wn7uuakv.fsf@tromey.com> (raw)
In-Reply-To: <d7e057da40d721d3ba37f9e7008186909dee7a09.1668184173.git.aburgess@redhat.com> (Andrew Burgess via Gdb-patches's message of "Fri, 11 Nov 2022 16:36:24 +0000")
>>>>> "Andrew" == Andrew Burgess via Gdb-patches <gdb-patches@sourceware.org> writes:
Andrew> int
Andrew> main()
Andrew> {
Andrew> asm ("main_label: .globl main_label");
Andrew> return 0;
Andrew> }
Andrew> In GDB, when we 'start', we expect to stop at the 'return 0;' line.
Andrew> This is the behaviour when the compiler is gcc, or later versions of
Andrew> Clang.
Andrew> However, with Clang 9.0.2, I see GDB stop on the 'asm' line.
Andrew> I propose adding some code to the test script to step GDB onto the
Andrew> next line if we stop on the 'asm' line. With this change in place, I
Andrew> now see the test fully passing with Clang 9.0.1 and 15.0.2, as well as
Andrew> with gcc.
It seems to me that the usual approach of adding a "/* STOP */" comment
and then running to that point would be less reliant on compiler
decisions.
Tom
next prev parent reply other threads:[~2022-11-16 16:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-11 16:36 [PATCH 0/6] The DWARF assembler and Clang Andrew Burgess
2022-11-11 16:36 ` [PATCH 1/6] gdb/testsuite: don't avoid DWARF assembler tests with Clang Andrew Burgess
2022-11-11 16:36 ` [PATCH 2/6] gdb/testsuite: fix gdb.trace/unavailable-dwarf-piece.exp " Andrew Burgess
2022-11-16 14:41 ` Bruno Larsen
2022-11-17 11:06 ` Andrew Burgess
2022-12-12 17:55 ` Tom Tromey
2022-12-13 15:39 ` Andrew Burgess
2022-11-11 16:36 ` [PATCH 3/6] gdb/testsuite: fix gdb.compile/compile-ops.exp with clang Andrew Burgess
2022-11-16 16:27 ` Tom Tromey
2022-11-11 16:36 ` [PATCH 4/6] gdb/testsuite: add (and use) a new build-id compile option Andrew Burgess
2022-11-11 16:36 ` [PATCH 5/6] gdb/testsuite: fix gdb.debuginfod/fetch_src_and_symbols.exp with Clang Andrew Burgess
2022-11-16 16:29 ` Tom Tromey [this message]
2022-11-17 11:38 ` [PATCHv2 0/2] Fix " Andrew Burgess
2022-11-17 11:38 ` [PATCHv2 1/2] gdb/testsuite: rename source file gdb.debuginfod/main.c Andrew Burgess
2022-11-17 11:38 ` [PATCHv2 2/2] gdb/testsuite: fix gdb.debuginfod/fetch_src_and_symbols.exp with Clang Andrew Burgess
2022-11-17 19:29 ` [PATCHv2 0/2] Fix " Tom Tromey
2022-11-11 16:36 ` [PATCH 6/6] gdb/testsuite: rewrite gdb.cp/call-method-register.exp with dwarf assembler Andrew Burgess
2022-11-16 11:59 ` Lancelot SIX
2022-11-16 16:32 ` [PATCH 0/6] The DWARF assembler and Clang Tom Tromey
2022-11-18 11:48 ` Andrew Burgess
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