[Qemu-devel] [6973] Allocate space for static call args, increase stack frame size on Sparc64

[Blue Swirl]

Revision: 6973
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6973
Author:   blueswir1
Date:     2009-04-04 15:33:03 +0000 (Sat, 04 Apr 2009)
Log Message:
-----------
Allocate space for static call args, increase stack frame size on Sparc64

Modified Paths:
--------------
    trunk/tcg/sparc/tcg-target.c
    trunk/tcg/sparc/tcg-target.h

Modified: trunk/tcg/sparc/tcg-target.c
===================================================================
--- trunk/tcg/sparc/tcg-target.c        2009-04-04 09:21:28 UTC (rev 6972)
+++ trunk/tcg/sparc/tcg-target.c        2009-04-04 15:33:03 UTC (rev 6973)
@@ -578,9 +578,11 @@
        global registers */
     // delay slot
     tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                 TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+                 TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                 sizeof(long), HOST_ST_OP);
     tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                 TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
+                 TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                 sizeof(long), HOST_LD_OP);
 
     /* data_reg = sign_extend(arg0) */
     switch(opc) {
@@ -781,9 +783,11 @@
        global registers */
     // delay slot
     tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                 TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+                 TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                 sizeof(long), HOST_ST_OP);
     tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                 TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
+                 TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                 sizeof(long), HOST_LD_OP);
 
     /* will become:
        ba label2 */
@@ -905,9 +909,11 @@
            global registers */
         // delay slot
         tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                     TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_ST_OP);
+                     TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                     sizeof(long), HOST_ST_OP);
         tcg_out_ldst(s, TCG_AREG0, TCG_REG_CALL_STACK,
-                     TCG_TARGET_CALL_STACK_OFFSET - sizeof(long), HOST_LD_OP);
+                     TCG_TARGET_CALL_STACK_OFFSET - TCG_STATIC_CALL_ARGS_SIZE -
+                     sizeof(long), HOST_LD_OP);
         break;
     case INDEX_op_jmp:
     case INDEX_op_br:

Modified: trunk/tcg/sparc/tcg-target.h
===================================================================
--- trunk/tcg/sparc/tcg-target.h        2009-04-04 09:21:28 UTC (rev 6972)
+++ trunk/tcg/sparc/tcg-target.h        2009-04-04 15:33:03 UTC (rev 6973)
@@ -75,12 +75,14 @@
 #define TCG_REG_CALL_STACK TCG_REG_I6
 #ifdef __arch64__
 // Reserve space for AREG0
-#define TCG_TARGET_STACK_MINFRAME (176 + 2 * (int)sizeof(long))
-#define TCG_TARGET_CALL_STACK_OFFSET (2047 + TCG_TARGET_STACK_MINFRAME)
+#define TCG_TARGET_STACK_MINFRAME (176 + 4 * (int)sizeof(long) + \
+                                   TCG_STATIC_CALL_ARGS_SIZE)
+#define TCG_TARGET_CALL_STACK_OFFSET (2047 - 16)
 #define TCG_TARGET_STACK_ALIGN 16
 #else
 // AREG0 + one word for alignment
-#define TCG_TARGET_STACK_MINFRAME (92 + (2 + 1) * (int)sizeof(long))
+#define TCG_TARGET_STACK_MINFRAME (92 + (2 + 1) * (int)sizeof(long) + \
+                                   TCG_STATIC_CALL_ARGS_SIZE)
 #define TCG_TARGET_CALL_STACK_OFFSET TCG_TARGET_STACK_MINFRAME
 #define TCG_TARGET_STACK_ALIGN 8
 #endif