diff --git a/src/stub/src/arch/powerpc/32/ppc_regs.h b/src/stub/src/arch/powerpc/32/ppc_regs.h
index aff7bc11..d287dec0 100644
--- a/src/stub/src/arch/powerpc/32/ppc_regs.h
+++ b/src/stub/src/arch/powerpc/32/ppc_regs.h
@@ -36,6 +36,7 @@
 
 /* Stack pointer */
 #define sp 1
+SZ_FRAME= 6*4  // (sp,cr,lr, xx,yy,zz) save area per calling convention
 
 /* Subroutine arguments; not saved by callee */
 #define a0 3
diff --git a/src/stub/src/arch/powerpc/64le/ppc_regs.h b/src/stub/src/arch/powerpc/64le/ppc_regs.h
index bf13c4fb..ecd40593 100644
--- a/src/stub/src/arch/powerpc/64le/ppc_regs.h
+++ b/src/stub/src/arch/powerpc/64le/ppc_regs.h
@@ -36,6 +36,7 @@
 
 /* Stack pointer */
 #define sp 1
+SZ_FRAME= 6*8 + 8*8  // (sp,cr,lr, xx,yy,zz) + spill area for a0-a7
 
 /* Subroutine arguments; not saved by callee */
 #define a0 3
diff --git a/src/stub/src/powerpc64le-linux.elf-entry.S b/src/stub/src/powerpc64le-linux.elf-entry.S
index 018c87bb..499d804a 100644
--- a/src/stub/src/powerpc64le-linux.elf-entry.S
+++ b/src/stub/src/powerpc64le-linux.elf-entry.S
@@ -35,9 +35,6 @@
 
 #include "arch/powerpc/64le/macros.S"
 #include "arch/powerpc/64le/ppc_regs.h"
-SZ_LINK= 6*8
-SZ_PSAV= 8*8
-SZ_FRAME= SZ_LINK + SZ_PSAV
 
 sz_b_info= 12
   sz_unc= 0
diff --git a/src/stub/src/powerpc64le-linux.elf-fold.S b/src/stub/src/powerpc64le-linux.elf-fold.S
index 9dab2aea..9bafe4ec 100644
--- a/src/stub/src/powerpc64le-linux.elf-fold.S
+++ b/src/stub/src/powerpc64le-linux.elf-fold.S
@@ -50,11 +50,11 @@ sz_p_info= 12
 OVERHEAD= 2048
 
 // http://refspecs.linuxfoundation.org/ELF/ppc64/PPC-elf64abi.html#STACK
-SZ_LINK= 6*8  // (sp,cr,lr, tmp.xlc,tmp.ld,save.toc)
-SZ_PSAV= 8*8  // for arg9, arg10, ...; and for spilling a0-a7 if necessary
+//SZ_LINK= 6*8  // (sp,cr,lr, tmp.xlc,tmp.ld,save.toc)
+//SZ_PSAV= 8*8  // for arg9, arg10, ...; and for spilling a0-a7 if necessary
 // The parameter save area shall be allocated by the caller.
 // It shall be doubleword aligned, and shall be at least 8 doublewords in length.
-SZ_FRAME= SZ_LINK + SZ_PSAV
+//SZ_FRAME= SZ_LINK + SZ_PSAV  // in ppc_regs.h
 
 /* In:
    r31= &decompress; also 8+ (char *)&(#bytes which preceed &-8(r31)