Remove sp_regnum_from_eax and pc_regnum_from_eax

	PR backtrace/14646
	PR gdb/14647
	* i386-tdep.h (gdbarch_tdep): Remove sp_regnum_from_eax and
	pc_regnum_from_eax.
	* i386-tdep.c (i386_gdbarch_init): Don't use sp_regnum_from_eax
	nor pc_regnum_from_eax.
	* amd64-tdep.c (amd64_x32_init_abi): Don't set sp_regnum_from_eax
	nor pc_regnum_from_eax.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 921f6be4c67f60959c5cae590332c4de37c8b267..a7dcceff66707c0f5151647d5d9edf9f91f1a9fd 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2012-11-10  H.J. Lu  <hongjiu.lu@intel.com>
+
+       PR backtrace/14646
+       PR gdb/14647
+       * i386-tdep.h (gdbarch_tdep): Remove sp_regnum_from_eax and
+       pc_regnum_from_eax.
+       * i386-tdep.c (i386_gdbarch_init): Don't use sp_regnum_from_eax
+       nor pc_regnum_from_eax.
+       * amd64-tdep.c (amd64_x32_init_abi): Don't set sp_regnum_from_eax
+       nor pc_regnum_from_eax.
+
 2012-10-11  Doug Evans  <dje@google.com>
 
        PR breakpoints/14643.

diff --git a/gdb/amd64-tdep.c b/gdb/amd64-tdep.c
index 54249265a71ec8a6f02e24312198b0775d7cb188..8ae1142c47e35bde014af73938adc83aa6c12595 100644 (file)
--- a/gdb/amd64-tdep.c
+++ b/gdb/amd64-tdep.c
@@ -2946,9 +2946,6 @@ amd64_x32_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
     tdesc = tdesc_x32;
   tdep->tdesc = tdesc;
 
-  tdep->sp_regnum_from_eax = AMD64_RSP_REGNUM;
-  tdep->pc_regnum_from_eax = AMD64_RIP_REGNUM;
-
   tdep->num_dword_regs = 17;
   set_tdesc_pseudo_register_type (gdbarch, amd64_x32_pseudo_register_type);
 

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index 6a029069657c9b301a081f17e79dcdba71113ae1..fd5969d61e0a6ff57184300e6f85082d75d27d0a 100644 (file)
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -7805,9 +7805,6 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   tdep->num_mmx_regs = 8;
   tdep->num_ymm_regs = 0;
 
-  tdep->sp_regnum_from_eax = -1;
-  tdep->pc_regnum_from_eax = -1;
-
   tdesc_data = tdesc_data_alloc ();
 
   set_gdbarch_relocate_instruction (gdbarch, i386_relocate_instruction);
@@ -7852,14 +7849,6 @@ i386_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
       /* Support dword pseudo-register if it hasn't been disabled.  */
       tdep->eax_regnum = ymm0_regnum;
       ymm0_regnum += tdep->num_dword_regs;
-      if (tdep->sp_regnum_from_eax != -1)
-       set_gdbarch_sp_regnum (gdbarch,
-                              (tdep->eax_regnum
-                               + tdep->sp_regnum_from_eax));
-      if (tdep->pc_regnum_from_eax != -1)
-       set_gdbarch_pc_regnum (gdbarch,
-                              (tdep->eax_regnum
-                               + tdep->pc_regnum_from_eax));
     }
   else
     tdep->eax_regnum = -1;

diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 76afdceb3153a21994fbf9d342bea5ec7bd08b33..5f233f590fe61a85f15e0a8ff14af19d88d80be5 100644 (file)
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -149,14 +149,6 @@ struct gdbarch_tdep
      of pseudo dword register support.  */
   int eax_regnum;
 
-  /* Register number for SP, relative to %eax.  Set this to -1 to
-     indicate the absence of pseudo SP register support.  */
-  int sp_regnum_from_eax;
-
-  /* Register number for PC, relative to %eax.  Set this to -1 to
-     indicate the absence of pseudo PC register support.  */
-  int pc_regnum_from_eax;
-
   /* Number of core registers.  */
   int num_core_regs;