[Boost-commit] svn:boost r77641 - trunk/libs/context/src/asm

Subject: [Boost-commit] svn:boost r77641 - trunk/libs/context/src/asm
From: oliver.kowalke_at_[hidden]
Date: 2012-03-30 03:16:07

Author: olli
Date: 2012-03-30 03:16:02 EDT (Fri, 30 Mar 2012)
New Revision: 77641
URL: http://svn.boost.org/trac/boost/changeset/77641

Log:
context: set correct size on stack for parameter are

Text files modified: 
   trunk/libs/context/src/asm/fcontext_ppc32_sysv_elf_gas.S |     4 ++--                                    
   trunk/libs/context/src/asm/fcontext_ppc64_sysv_elf_gas.S |     4 ++--                                    
   2 files changed, 4 insertions(+), 4 deletions(-)

Modified: trunk/libs/context/src/asm/fcontext_ppc32_sysv_elf_gas.S
==============================================================================
--- trunk/libs/context/src/asm/fcontext_ppc32_sysv_elf_gas.S	(original)
+++ trunk/libs/context/src/asm/fcontext_ppc32_sysv_elf_gas.S	2012-03-30 03:16:02 EDT (Fri, 30 Mar 2012)
@@ -313,8 +313,8 @@
     lwz     %r3, 24(%r1)        # pop pointer to fcontext_t from stack
     addi    %r1, %r1, 28        # release space on stack
 
-    li      %r4, 16
-    subf    %r0, %r4, %r0       # reserve 16 bytes on top of the stack
+    li      %r4, 32
+    subf    %r0, %r4, %r0       # 32 bytes on stack for parameter area(== 8 registers)
     stw     %r0, 76(%r3)        # save the stack base
     lwz     %r0, 256(%r3)       # load address of next user context
     stw     %r0, 4(%r3)         # save the next context

Modified: trunk/libs/context/src/asm/fcontext_ppc64_sysv_elf_gas.S
==============================================================================
--- trunk/libs/context/src/asm/fcontext_ppc64_sysv_elf_gas.S	(original)
+++ trunk/libs/context/src/asm/fcontext_ppc64_sysv_elf_gas.S	2012-03-30 03:16:02 EDT (Fri, 30 Mar 2012)
@@ -348,8 +348,8 @@
     lwz     %r3, 48(%r1)        # pop pointer to fcontext_t from stack
     addi    %r1, %r1, 56        # release space on stack
 
-    li      %r4, 32
-    subf    %r0, %r4, %r0       # reserve 32 bytes on top of the stack
+    li      %r4, 64
+    subf    %r0, %r4, %r0       # 64 bytes on stack for parameter area (== 8 registers)
     std     %r0, 152(%r3)       # save the stack base
     ld      %r0, 360(%r3)       # load address of next user context
     std     %r0, 8(%r3)         # save the next context