[RFA]: x86-64 - remove `sizeof (struct siginfo)'

[RFA]: x86-64 - remove `sizeof (struct siginfo)'

[Jiri Smid]

  The folowing patch removes `sizeof (struct siginfo)' from x86-64
target file to avoid problems when building a cross-debugger.

  OK to commit?

Index: gdb/ChangeLog
from  Jiri Smid  <smid@naga.suse.cz>

	* x86-64-linux-tdep.c (LINUX_SIGINFO_SIZE): Add.
	(x86_64_linux_sigcontext_addr): Replace `sizeof (struct siginfo)'
	by LINUX_SIGINFO_SIZE.

Index: gdb/x86-64-linux-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/x86-64-linux-tdep.c,v
retrieving revision 1.2
diff -c -3 -p -r1.2 x86-64-linux-tdep.c
*** x86-64-linux-tdep.c	2001/09/21 22:57:29	1.2
--- x86-64-linux-tdep.c	2001/09/24 08:39:09
*************** x86_64_linux_sigtramp_start (CORE_ADDR p
*** 66,71 ****
--- 66,73 ----
    return pc;
  }
  
+ #define LINUX_SIGINFO_SIZE 128
+ 
  /* Offset to struct sigcontext in ucontext, from <asm/ucontext.h>.  */
  #define LINUX_UCONTEXT_SIGCONTEXT_OFFSET (36)
  
*************** x86_64_linux_sigcontext_addr (struct fra
*** 83,94 ****
  	/* If this isn't the top frame, the next frame must be for the
  	   signal handler itself.  The sigcontext structure is part of
  	   the user context. */
! 	return frame->next->frame + sizeof (struct siginfo) +
  	  LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
  
  
        /* This is the top frame. */
!       return read_register (SP_REGNUM) + sizeof (struct siginfo) +
  	LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
  
      }
--- 85,96 ----
  	/* If this isn't the top frame, the next frame must be for the
  	   signal handler itself.  The sigcontext structure is part of
  	   the user context. */
! 	return frame->next->frame + LINUX_SIGINFO_SIZE +
  	  LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
  
  
        /* This is the top frame. */
!       return read_register (SP_REGNUM) + LINUX_SIGINFO_SIZE +
  	LINUX_UCONTEXT_SIGCONTEXT_OFFSET;
  
      }

-- 
Jiri Smid

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Re: [RFA]: x86-64 - remove `sizeof (struct siginfo)'

[Mark Kettenis]

Jiri Smid <smid@suse.cz> writes:

>   The folowing patch removes `sizeof (struct siginfo)' from x86-64
> target file to avoid problems when building a cross-debugger.
> 
>   OK to commit?

Please do!

Mark