From: Blue Swirl <blauwirbel@gmail.com>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6973] Allocate space for static call args, increase stack frame size on Sparc64
Date: Sat, 04 Apr 2009 15:33:04 +0000 [thread overview]
Message-ID: <E1Lq7rk-00024q-9S@cvs.savannah.gnu.org> (raw)
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
reply other threads:[~2009-04-04 15:33 UTC|newest]
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