From: Pedro Alves <pedro@palves.net>
To: Tom de Vries <tdevries@suse.de>, gdb-patches@sourceware.org
Subject: Re: [PATCH][gdb/breakpoint] Handle setting breakpoint on label without address
Date: Thu, 27 Aug 2020 13:41:29 +0100 [thread overview]
Message-ID: <23b43acc-9846-a03c-5207-3ae80efc1d6f@palves.net> (raw)
In-Reply-To: <20200827115217.GA17450@delia.home>
On 8/27/20 12:52 PM, Tom de Vries wrote:
> Hi,
>
> Consider test-case test.c:
> ...
> $ cat test.c
> int main (void) {
> return 0;
> L1:
> (void)0;
> }
> ...
>
> Compiled with debug info:
> ...
> $ gcc test.c -g
> ...
>
> When attempting to set a breakpoint at L1, which is a label without address:
> ...
> <1><f4>: Abbrev Number: 2 (DW_TAG_subprogram)
> <f5> DW_AT_name : main
> <2><115>: Abbrev Number: 3 (DW_TAG_label)
> <116> DW_AT_name : L1
> <119> DW_AT_decl_file : 1
> <11a> DW_AT_decl_line : 5
> <2><11b>: Abbrev Number: 0
Is this a debug info bug, or is the debug info telling us that the
address of the label is the same as the line number's address?
How about looking up the line number address instead of throwing
an error?
next prev parent reply other threads:[~2020-08-27 12:41 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 11:52 Tom de Vries
2020-08-27 12:41 ` Pedro Alves [this message]
2020-08-27 13:49 ` Tom de Vries
2020-08-28 10:31 ` Tom de Vries
2020-08-28 13:20 ` [PATCH][gdb/breakpoint, PIE] " Tom de Vries
2020-09-03 10:34 ` [committed][PATCH][gdb/breakpoint, " Tom de Vries
2020-08-28 13:32 ` [PATCH][gdb/breakpoint] " Pedro Alves
2020-08-28 13:53 ` Tom de Vries
2020-08-28 14:30 ` Tom de Vries
2020-08-28 15:23 ` Pedro Alves
2020-08-28 15:14 ` Pedro Alves
2020-08-28 16:15 ` Tom de Vries
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