[PATCH] Semihosting ctr0 typo (adr/ldr)?

Corinna Vinschen vinschen@redhat.com
Wed Feb 17 10:01:41 GMT 2021


On Feb 16 22:56, iNvEr7 via Newlib wrote:
> 
> ---
>  libgloss/arm/crt0.S        | 2 +-
>  newlib/libc/sys/arm/crt0.S | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/libgloss/arm/crt0.S b/libgloss/arm/crt0.S
> index 8490bde2f..b8bbcee18 100644
> --- a/libgloss/arm/crt0.S
> +++ b/libgloss/arm/crt0.S
> @@ -283,7 +283,7 @@
>  #ifdef ARM_RDI_MONITOR
>  	/*  Issue Angel SWI to read stack info.  */
>  	movs	r0, #AngelSWI_Reason_HeapInfo
> -	adr	r1, .LC0	/*  Point at ptr to 4 words to receive data.  */
> +	ldr	r1, .LC0	/*  Point at ptr to 4 words to receive data.  */
>  #ifdef THUMB_VXM
>  	bkpt	AngelSWI
>  #elif defined(__thumb2__)
> diff --git a/newlib/libc/sys/arm/crt0.S b/newlib/libc/sys/arm/crt0.S
> index 5e677a23c..3c5771229 100644
> --- a/newlib/libc/sys/arm/crt0.S
> +++ b/newlib/libc/sys/arm/crt0.S
> @@ -270,7 +270,7 @@
>  #ifdef ARM_RDI_MONITOR
>  	/*  Issue Angel SWI to read stack info.  */
>  	movs	r0, #AngelSWI_Reason_HeapInfo
> -	adr	r1, .LC0	/*  Point at ptr to 4 words to receive data.  */
> +	ldr	r1, .LC0	/*  Point at ptr to 4 words to receive data.  */
>  #ifdef THUMB_VXM
>  	bkpt	AngelSWI
>  #elif defined(__thumb2__)
> --
> 2.29.2

I'm a bit suprised that this problem hasn't been noticed for the
last 10 years.  I'm not familiar with the ARM stuff at all, so maybe
somebody from ARM can chime in here?


Thanks,
Corinna



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