* config/vax/tm-vax.h (BREAKPOINT): Remove.

(BELIEVE_PCC_PROMOTION): Remove.
(AP_REGNUM): Move to...
* config/vax/nm-vax.h: ...here.
* vax-tdep.c: Use VAX_AP_REGNUM instead of AP_REGNUM.
(vax_breakpoint_from_pc): New function.
(vax_gdbarch_init): Initialize gdbarch_breakpoint_from_pc
and gdbarch_believe_pcc_promotion.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 00c823696afe24c4278c77ca360155ba568e8f17..adea6be3ba11a5bd8f42bfb96ff5330a51679f0c 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2002-06-26  Jason Thorpe  <thorpej@wasabisystems.com>
+
+       * config/vax/tm-vax.h (BREAKPOINT): Remove.
+       (BELIEVE_PCC_PROMOTION): Remove.
+       (AP_REGNUM): Move to...
+       * config/vax/nm-vax.h: ...here.
+       * vax-tdep.c: Use VAX_AP_REGNUM instead of AP_REGNUM.
+       (vax_breakpoint_from_pc): New function.
+       (vax_gdbarch_init): Initialize gdbarch_breakpoint_from_pc
+       and gdbarch_believe_pcc_promotion.
+
 2002-06-26  Jason Thorpe  <thorpej@wasabisystems.com>
 
        * Makefile.in (vax_tdep_h): Define.  

diff --git a/gdb/config/vax/nm-vax.h b/gdb/config/vax/nm-vax.h
index c2baef18fa699f176a47f357ad96683829284aeb..efebd6b8936c7d971baa79fa4ce1693bda92c051 100644 (file)
--- a/gdb/config/vax/nm-vax.h
+++ b/gdb/config/vax/nm-vax.h
@@ -18,6 +18,8 @@
    Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#define AP_REGNUM 12   /* XXXJRT */
+
 #define REGISTER_U_ADDR(addr, blockend, regno)         \
 { addr = blockend - 0110 + regno * 4;                  \
   if (regno == PC_REGNUM) addr = blockend - 8;         \

diff --git a/gdb/config/vax/tm-vax.h b/gdb/config/vax/tm-vax.h
index 204d155ab6d3dd21001e058c2faaef4ecf416fc9..8d77a2997b213808b828bd82ed833b5a5de971bd 100644 (file)
--- a/gdb/config/vax/tm-vax.h
+++ b/gdb/config/vax/tm-vax.h
@@ -31,11 +31,6 @@
 #define SIGTRAMP_START(pc)     STACK_END_ADDR
 #define SIGTRAMP_END(pc)       0x80000000
 
-/* Sequence of bytes for breakpoint instruction.  */
-#define BREAKPOINT {3}
-
-#define AP_REGNUM 12   /* XXXJRT */
-
 /* Offset to saved PC in sigcontext, from <sys/signal.h>.  */
 /* XXXJRT should go away */
 #define SIGCONTEXT_PC_OFFSET 12
@@ -43,6 +38,3 @@
 /* XXXJRT not yet under gdbarch control */
 #define FRAME_ARGS_ADDRESS_CORRECT(fi) vax_frame_args_address_correct ((fi))
 extern CORE_ADDR vax_frame_args_address_correct (struct frame_info *);
-
-/* If vax pcc says CHAR or SHORT, it provides the correct address.  */
-#define BELIEVE_PCC_PROMOTION 1

diff --git a/gdb/vax-tdep.c b/gdb/vax-tdep.c
index 40e4e96d5456d0451209d559035be63321c5a9dd..46dce5a6cd4c38b07bddcc9093581a88c9dfd592 100644 (file)
--- a/gdb/vax-tdep.c
+++ b/gdb/vax-tdep.c
@@ -186,7 +186,7 @@ vax_frame_init_saved_regs (struct frame_info *frame)
 
   /* regmask's low bit is for register 0, which is the first one
      what would be pushed.  */
-  for (regnum = 0; regnum < AP_REGNUM; regnum++)
+  for (regnum = 0; regnum < VAX_AP_REGNUM; regnum++)
     {
       if (regmask & (1 << regnum))
         frame->saved_regs[regnum] = next_addr += 4;
@@ -199,7 +199,7 @@ vax_frame_init_saved_regs (struct frame_info *frame)
 
   frame->saved_regs[PC_REGNUM] = frame->frame + 16;
   frame->saved_regs[FP_REGNUM] = frame->frame + 12;
-  frame->saved_regs[AP_REGNUM] = frame->frame + 8;
+  frame->saved_regs[VAX_AP_REGNUM] = frame->frame + 8;
   frame->saved_regs[PS_REGNUM] = frame->frame + 4;
 }
 
@@ -239,7 +239,7 @@ vax_frame_args_address (struct frame_info *frame)
   if (frame->next)
     return (read_memory_integer (frame->next->frame + 8, 4));
 
-  return (read_register (AP_REGNUM));
+  return (read_register (VAX_AP_REGNUM));
 }
 
 static CORE_ADDR
@@ -276,12 +276,12 @@ vax_push_dummy_frame (void)
     sp = push_word (sp, read_register (regnum));
   sp = push_word (sp, read_register (PC_REGNUM));
   sp = push_word (sp, read_register (FP_REGNUM));
-  sp = push_word (sp, read_register (AP_REGNUM));
+  sp = push_word (sp, read_register (VAX_AP_REGNUM));
   sp = push_word (sp, (read_register (PS_REGNUM) & 0xffef) + 0x2fff0000);
   sp = push_word (sp, 0);
   write_register (SP_REGNUM, sp);
   write_register (FP_REGNUM, sp);
-  write_register (AP_REGNUM, sp + (17 * 4));
+  write_register (VAX_AP_REGNUM, sp + (17 * 4));
 }
 
 static void
@@ -296,7 +296,7 @@ vax_pop_frame (void)
                  | (read_register (PS_REGNUM) & 0xffff0000));
   write_register (PC_REGNUM, read_memory_integer (fp + 16, 4));
   write_register (FP_REGNUM, read_memory_integer (fp + 12, 4));
-  write_register (AP_REGNUM, read_memory_integer (fp + 8, 4));
+  write_register (VAX_AP_REGNUM, read_memory_integer (fp + 8, 4));
   fp += 16;
   for (regnum = 0; regnum < 12; regnum++)
     if (regmask & (0x10000 << regnum))
@@ -353,6 +353,15 @@ vax_extract_struct_value_address (char *regbuf)
   return (extract_address (regbuf + REGISTER_BYTE (0), REGISTER_RAW_SIZE (0)));
 }
 \f
+static const unsigned char *
+vax_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
+{
+  static const unsigned char vax_breakpoint[] = { 3 };
+
+  *lenptr = sizeof(vax_breakpoint);
+  return (vax_breakpoint);
+}
+\f
 /* Advance PC across any function entry prologue instructions
    to reach some "real" code.  */
 
@@ -708,10 +717,12 @@ vax_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
 
   /* Breakpoint info */
+  set_gdbarch_breakpoint_from_pc (gdbarch, vax_breakpoint_from_pc);
   set_gdbarch_decr_pc_after_break (gdbarch, 0);
 
   /* Misc info */
   set_gdbarch_function_start_offset (gdbarch, 2);
+  set_gdbarch_believe_pcc_promotion (gdbarch, 1);
 
   /* Hook in ABI-specific overrides, if they have been registered.  */
   gdbarch_init_osabi (info, gdbarch, osabi);