From: Ian Lance Taylor <iant@google.com>
To: Kalai Rajah N <kalairajah@gmail.com>
Cc: "gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: Thumb inline assembly
Date: Mon, 10 Jun 2013 22:51:00 -0000 [thread overview]
Message-ID: <CAKOQZ8xEqJX1cEHBOKdswKc6gh1SVczQu_-0ZNsgxtNkoyOj2A@mail.gmail.com> (raw)
In-Reply-To: <CAPTDLfFZp2Z_arQO0iRRFFQMxuj1=AC6zxgv4Q=F2GVxY23qVA@mail.gmail.com>
On Mon, Jun 10, 2013 at 2:41 PM, Kalai Rajah N <kalairajah@gmail.com> wrote:
> I'm trying to do a simple register read through ARM inline assembly.
> If I embed the asm in the function directly, it works ...
...
> I see the following errors:
> /tmp/ccYu7aUS.ltrans0.ltrans.o: In function `read_reg_ok':
> ccYu7aUS.ltrans0.o:(.text.check_reset_value.4010+0x60): undefined
> reference to `r6'
> ccYu7aUS.ltrans0.o:(.text.check_reset_value.4010+0x64): undefined
> reference to `r4'
> ccYu7aUS.ltrans0.o:(.text.check_reset_value.4010+0x68): undefined
> reference to `r5'
> collect2: error: ld returned 1 exit status
>
> What am I doing wrong?
Your test case has no mention of r4, r5, or r6. It always helps to
show a complete standalone test case.
The error messages indicate some confusion: there are references to
symbols using the names of registers. But I don't know where those
are coming from.
Ian
next prev parent reply other threads:[~2013-06-10 22:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-10 21:41 Kalai Rajah N
2013-06-10 22:51 ` Ian Lance Taylor [this message]
2013-06-10 23:19 ` Kalai Rajah N
2013-06-10 23:59 ` Ian Lance Taylor
2013-06-11 0:06 ` Kalai Rajah N
2013-06-11 0:13 ` Ian Lance Taylor
[not found] ` <CAPTDLfH--WkreVXSDb7nt6KsKP+vBH3q_eoJX7yvqm=O8QzF0A@mail.gmail.com>
2013-06-11 0:20 ` Fwd: " Kalai Rajah N
2013-06-11 0:31 ` Ian Lance Taylor
2013-06-11 0:41 ` Kalai Rajah N
2013-06-11 1:01 ` Ian Lance Taylor
2013-06-11 18:27 ` Kalai Rajah N
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