[PATCH] gdb: fix sparc build failure of linux-nat

[Simon Marchi]

On 2021-04-25 4:03 p.m., Sergei Trofimovich via Gdb-patches wrote:
> From: Sergei Trofimovich <siarheit@google.com>
> 
> On sparc build failed as:
> 
> ```
> gdb/sparc-linux-nat.c: In member function
>   'virtual void sparc_linux_nat_target::fetch_registers(regcache*, int)':
> gdb/sparc-linux-nat.c:36:37:
>   error: cannot convert 'regcache*' to 'process_stratum_target*'
>    36 |   { sparc_fetch_inferior_registers (regcache, regnum); }
>       |                                     ^~~~~~~~
>       |                                     |
>       |                                     regcache*
> ```
> 
> The fix adopts gdb/sparc-nat.h API change in d1e93af64a6
> ("gdb: set current thread in sparc_{fetch,collect}_inferior_registers").
> 
> gdb/ChangeLog:
> 
> 	* sparc-linux-nat.c (sparc_linux_nat_target): fix sparc build
> 	by passing `process_stratum_target*` parameter.
> ---
>  gdb/sparc-linux-nat.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/gdb/sparc-linux-nat.c b/gdb/sparc-linux-nat.c
> index c644d441228..33a17afa21e 100644
> --- a/gdb/sparc-linux-nat.c
> +++ b/gdb/sparc-linux-nat.c
> @@ -33,10 +33,10 @@ class sparc_linux_nat_target final : public linux_nat_target
>  public:
>    /* Add our register access methods.  */
>    void fetch_registers (struct regcache *regcache, int regnum) override
> -  { sparc_fetch_inferior_registers (regcache, regnum); }
> +  { sparc_fetch_inferior_registers (this, regcache, regnum); }
>  
>    void store_registers (struct regcache *regcache, int regnum) override
> -  { sparc_store_inferior_registers (regcache, regnum); }
> +  { sparc_store_inferior_registers (this, regcache, regnum); }
>  };
>  
>  static sparc_linux_nat_target the_sparc_linux_nat_target;
> 

Thanks, this is OK, and sorry about the breakage.  If you don't have
push access, tell me and I'll push it for you (but there's one commit
where you are the committer, so I presume you have push access).

Simon