powerpc: Fix unsafe accesses to parameter area in ELFv2

[linux-beck.git] / arch / powerpc / lib / memcpy_64.S

diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index 01da956a52fbec8618b83a79b71077f903182c30..9d3960c16fdea739ca996f6c0c6ac15ecc9f9426 100644 (file)
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -12,7 +12,7 @@
        .align  7
 _GLOBAL(memcpy)
 BEGIN_FTR_SECTION
-       std     r3,STK_PARAM(R3)(r1)    /* save destination pointer for return value */
+       std     r3,-STACKFRAMESIZE+STK_REG(R31)(r1)     /* save destination pointer for return value */
 FTR_SECTION_ELSE
 #ifndef SELFTEST
        b       memcpy_power7
@@ -73,7 +73,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 2:     bf      cr7*4+3,3f
        lbz     r9,8(r4)
        stb     r9,0(r3)
-3:     ld      r3,STK_PARAM(R3)(r1)    /* return dest pointer */
+3:     ld      r3,-STACKFRAMESIZE+STK_REG(R31)(r1)     /* return dest pointer */
        blr
 
 .Lsrc_unaligned:
@@ -156,7 +156,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 2:     bf      cr7*4+3,3f
        rotldi  r9,r9,8
        stb     r9,0(r3)
-3:     ld      r3,STK_PARAM(R3)(r1)    /* return dest pointer */
+3:     ld      r3,-STACKFRAMESIZE+STK_REG(R31)(r1)     /* return dest pointer */
        blr
 
 .Ldst_unaligned:
@@ -201,5 +201,5 @@ END_FTR_SECTION_IFCLR(CPU_FTR_UNALIGNED_LD_STD)
 3:     bf      cr7*4+3,4f
        lbz     r0,0(r4)
        stb     r0,0(r3)
-4:     ld      r3,STK_PARAM(R3)(r1)    /* return dest pointer */
+4:     ld      r3,-STACKFRAMESIZE+STK_REG(R31)(r1)     /* return dest pointer */
        blr