[Boost-commit] svn:boost r78096 - trunk/libs/context/src/asm

Subject: [Boost-commit] svn:boost r78096 - trunk/libs/context/src/asm
From: oliver.kowalke_at_[hidden]
Date: 2012-04-20 15:36:51

Author: olli
Date: 2012-04-20 15:36:50 EDT (Fri, 20 Apr 2012)
New Revision: 78096
URL: http://svn.boost.org/trac/boost/changeset/78096

Log:
context: corrected access of stack base in ppc32 asm

Text files modified: 
   trunk/libs/context/src/asm/fcontext_ppc32_sysv_elf_gas.S |     8 ++++----                                
   1 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	2012-04-20 15:36:50 EDT (Fri, 20 Apr 2012)
@@ -298,15 +298,15 @@
     stw     %r3, 0(%r3)         # save the current context
     stw     %r4, 88(%r3)        # save the address of the function supposed to to be run
     stw     %r5, 8(%r3)         # save void pointer
-    lwz     %r0, 248(%r3)       # load the stack base
+    lwz     %r0, 96(%r3)        # load the stack base
 
     li      %r4, 28
     subf    %r1, %r4, %r1       # reserve space on stack
     stw     %r3, 24(%r1)        # store pointer to fcontext_t on stack
     mflr    %r4                 # load LR
     stw     %r4, 20(%r1)        # store LR on stack
-    mr.     %r3, %r0            # context stack as arg to boost_fcontext_algin
-    bl      align_stack_at_plt    # call align_stack
+    mr.     %r3, %r0            # context stack as arg to align_stack
+    bl      align_stack_at_plt     # call align_stack
     mr.     %r0, %r3            # load result into R0
     lwz     %r4, 20(%r1)        # pop LR from stack
     mtlr    %r4                 # restore LR
@@ -316,7 +316,7 @@
     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
+    lwz     %r0, 104(%r3)       # load address of next user context
     stw     %r0, 4(%r3)         # save the next context
     mflr    %r0                 # load LR
     bl      1f                  # jump to label 1