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From: Paul Brook <paul@codesourcery.com>
To: binutils@sourceware.org
Cc: Christophe LYON <christophe.lyon@st.com>
Subject: Re: ARM long branch stubs: pic take 2
Date: Thu, 26 Feb 2009 19:01:00 -0000	[thread overview]
Message-ID: <200902261901.24644.paul@codesourcery.com> (raw)
In-Reply-To: <49A561EB.2070809@st.com>

On Wednesday 25 February 2009, Christophe LYON wrote:
> +/* Thumb -> Thumb long branch stub, PIC. Used on architectures which
> +   support only this mode, or on V4T where it is expensive to switch
> +   to ARM.  */
> +static const insn_sequence elf32_arm_stub_long_branch_thumb_only_pic[] =
> +  {
> +    THUMB16_INSN(0xb401),             /* push {r0} */

The EABI specifies that veneers may only use the stack on M profile devices 
(i.e. when ARM mode is not available).

Paul

  parent reply	other threads:[~2009-02-26 19:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-25 15:21 Christophe LYON
2009-02-25 17:33 ` Richard Earnshaw
2009-02-25 17:51   ` Christophe LYON
2009-02-26 10:31     ` Richard Earnshaw
2009-02-26 11:55       ` Christophe LYON
2009-02-26 14:59         ` Richard Earnshaw
2009-02-26 15:06           ` Daniel Jacobowitz
2009-02-26 15:34             ` Christophe LYON
2009-02-26 15:41               ` Daniel Jacobowitz
2009-02-26 19:01 ` Paul Brook [this message]
2009-02-27 16:42   ` Christophe LYON
2009-03-12 14:28     ` Christophe LYON
2009-04-01 15:51       ` Nick Clifton
2009-04-02 14:13         ` Christophe LYON

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