Patch to eliminate SOFTWARE_SINGLE_STEP from ppc Was: Powerpc and software single step

[Jimi Xenidis <jimix@watson.ibm.com>]

>>>>> "AC" == Andrew Cagney <ac131313@redhat.com> writes:

 AC> What about a patch to eliminate the macros?  Good incremental step.

Your wish is my (very much delayed) command ;-)

Changelog:

2003-09-08  Jimi Xenidis  <jimix@watson.ibm.com>

	* config/rs6000/tm-rs6000.h: no longer require custion #define of
	SOFTWARE_SINGLE_STEP
	* config/powerpc/tm-linux.h: no longer require custion #define of
	SOFTWARE_SINGLE_STEP
	* rs6000-tdep.c (rs6000_gdbarch_init): Set up software_single_step
	while initing gdbarch

Patch:
Index: gdb/rs6000-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/rs6000-tdep.c,v
retrieving revision 1.148
diff -u -u -r1.148 rs6000-tdep.c
--- gdb/rs6000-tdep.c	18 Aug 2003 20:04:55 -0000	1.148
+++ gdb/rs6000-tdep.c	8 Sep 2003 17:51:53 -0000
@@ -3015,6 +3015,9 @@
   /* Hook in ABI-specific overrides, if they have been registered.  */
   gdbarch_init_osabi (info, gdbarch);
 
+  /* RS6000/AIX does not support PT_STEP.  Has to be simulated.  */
+  set_gdbarch_software_single_step (gdbarch, rs6000_software_single_step);
+
   return gdbarch;
 }
 
Index: gdb/config/powerpc/tm-linux.h
===================================================================
RCS file: /cvs/src/src/gdb/config/powerpc/tm-linux.h,v
retrieving revision 1.14
diff -u -u -r1.14 tm-linux.h
--- gdb/config/powerpc/tm-linux.h	3 Sep 2003 21:01:44 -0000	1.14
+++ gdb/config/powerpc/tm-linux.h	8 Sep 2003 17:51:53 -0000
@@ -31,12 +31,6 @@
 #undef IN_SOLIB_CALL_TRAMPOLINE
 #undef SKIP_TRAMPOLINE_CODE
 
-/* We can single step on linux */
-#undef  SOFTWARE_SINGLE_STEP
-#define SOFTWARE_SINGLE_STEP(p,q) internal_error (__FILE__, __LINE__, "Will never execute!")
-#undef  SOFTWARE_SINGLE_STEP_P
-#define SOFTWARE_SINGLE_STEP_P() 0
-
 /* Make sure nexti gets the help it needs for debugging assembly code
    without symbols */
 
Index: gdb/config/rs6000/tm-rs6000.h
===================================================================
RCS file: /cvs/src/src/gdb/config/rs6000/tm-rs6000.h,v
retrieving revision 1.26
diff -u -u -r1.26 tm-rs6000.h
--- gdb/config/rs6000/tm-rs6000.h	3 Sep 2003 21:01:44 -0000	1.26
+++ gdb/config/rs6000/tm-rs6000.h	8 Sep 2003 17:51:53 -0000
@@ -90,12 +90,6 @@
 extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev);
 #define DEPRECATED_INIT_FRAME_PC(fromleaf, prev) (init_frame_pc_noop (fromleaf, prev))
 
-/* RS6000/AIX does not support PT_STEP.  Has to be simulated.  */
-
-#define SOFTWARE_SINGLE_STEP_P() 1
-extern void rs6000_software_single_step (enum target_signal, int);
-#define SOFTWARE_SINGLE_STEP(sig,bp_p) rs6000_software_single_step (sig, bp_p)
-
 /* Notice when a new child process is started. */
 
 #define TARGET_CREATE_INFERIOR_HOOK rs6000_create_inferior