From: Jason Thorpe <thorpej@netbsd.org>
Date: Mon, 22 Apr 2002 19:44:05 +0000 (+0000)
Subject: * vax-tdep.c (vax_frame_init_saved_regs): New function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ab62c900e2060381046d1fe998b1516fc81c8072;p=binutils-gdb.git

* vax-tdep.c (vax_frame_init_saved_regs): New function.
* config/vax/tm-vax.h (FRAME_FIND_SAVED_REGS): Remove.
(FRAME_INIT_SAVED_REGS): New macro.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 045edf3c09e..e64e6885faa 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,9 @@
+2002-04-22  Jason Thorpe  <thorpej@wasabisystems.com>
+
+	* vax-tdep.c (vax_frame_init_saved_regs): New function.
+	* config/vax/tm-vax.h (FRAME_FIND_SAVED_REGS): Remove.
+	(FRAME_INIT_SAVED_REGS): New macro.
+
 2002-04-22  Jason Thorpe  <thorpej@wasabisystems.com>
 
 	* MAINTAINERS: Reflect that the Alpha target has been multi-arch'd.
diff --git a/gdb/config/vax/tm-vax.h b/gdb/config/vax/tm-vax.h
index 31acf004351..90819f4d00b 100644
--- a/gdb/config/vax/tm-vax.h
+++ b/gdb/config/vax/tm-vax.h
@@ -215,30 +215,8 @@ extern int vax_frame_num_args (struct frame_info *fi);
 
 #define FRAME_ARGS_SKIP 4
 
-/* Put here the code to store, into a struct frame_saved_regs,
-   the addresses of the saved registers of frame described by FRAME_INFO.
-   This includes special registers such as pc and fp saved in special
-   ways in the stack frame.  sp is even more special:
-   the address we return for it IS the sp for the next frame.  */
-
-#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
-{ register int regnum;     \
-  register int regmask = read_memory_integer ((frame_info)->frame+4, 4) >> 16; \
-  register CORE_ADDR next_addr;     \
-  memset (&frame_saved_regs, '\0', sizeof frame_saved_regs);     \
-  next_addr = (frame_info)->frame + 16;     \
-  /* Regmask's low bit is for register 0,     \
-     which is the first one that would be pushed.  */     \
-  for (regnum = 0; regnum < 12; regnum++, regmask >>= 1)  \
-    (frame_saved_regs).regs[regnum] = (regmask & 1) ? (next_addr += 4) : 0;  \
-  (frame_saved_regs).regs[SP_REGNUM] = next_addr + 4;  \
-  if (read_memory_integer ((frame_info)->frame + 4, 4) & 0x20000000)   \
-    (frame_saved_regs).regs[SP_REGNUM] += 4 + 4 * read_memory_integer (next_addr + 4, 4);  \
-  (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 16;  \
-  (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 12;  \
-  (frame_saved_regs).regs[AP_REGNUM] = (frame_info)->frame + 8;  \
-  (frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4;  \
-}
+#define FRAME_INIT_SAVED_REGS(fi) vax_frame_init_saved_regs ((fi))
+extern void vax_frame_init_saved_regs (struct frame_info *);
 
 /* Things needed for making the inferior call functions.  */
 
diff --git a/gdb/vax-tdep.c b/gdb/vax-tdep.c
index 053041e7ec6..15cff5506a5 100644
--- a/gdb/vax-tdep.c
+++ b/gdb/vax-tdep.c
@@ -93,6 +93,40 @@ vax_register_virtual_type (int regno)
   return (builtin_type_int);
 }
 
+void
+vax_frame_init_saved_regs (struct frame_info *frame)
+{
+  int regnum, regmask;
+  CORE_ADDR next_addr;
+
+  if (frame->saved_regs)
+    return;
+
+  frame_saved_regs_zalloc (frame);
+
+  regmask = read_memory_integer (frame->frame + 4, 4) >> 16;
+
+  next_addr = frame->frame + 16;
+
+  /* regmask's low bit is for register 0, which is the first one
+     what would be pushed.  */
+  for (regnum = 0; regnum < AP_REGNUM; regnum++)
+    {
+      if (regmask & (1 << regnum))
+        frame->saved_regs[regnum] = next_addr += 4;
+    }
+
+  frame->saved_regs[SP_REGNUM] = next_addr + 4;
+  if (regmask & (1 << FP_REGNUM))
+    frame->saved_regs[SP_REGNUM] +=
+      4 + (4 * read_memory_integer (next_addr + 4, 4));
+
+  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[PS_REGNUM] = frame->frame + 4;
+}
+
 /* Advance PC across any function entry prologue instructions
    to reach some "real" code.  */