Backtrack previous changes for PowerPC/Linux, which turns out to lack what we need for turning stack overflows into exceptions

git-svn-id: http://caml.inria.fr/svn/ocaml/trunk@12160 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02

2 files changed, 1 insertions, 11 deletions

diff --git a/asmrun/power-elf.S b/asmrun/power-elf.S
index 338afbed9..8618b50a1 100644
--- a/asmrun/power-elf.S
+++ b/asmrun/power-elf.S
@@ -42,11 +42,6 @@ caml_call_gc:
     /* Record lowest stack address */
         addi    0, 1, 0x1A0
         Storeglobal(0, caml_bottom_of_stack, 11)
-    /* Touch the stack to trigger a recoverable segfault
-       if insufficient space remains */
-        addi    1, 1, -16384
-        stw     0, 0(1)
-        addi    1, 1, 16384
     /* Record pointer to register array */
         addi    0, 1, 8*32 + 32
         Storeglobal(0, caml_gc_regs, 11)
@@ -197,11 +192,6 @@ caml_c_call:
     /* Record lowest stack address and return address */
         Storeglobal(1, caml_bottom_of_stack, 12)
         Storeglobal(25, caml_last_return_address, 12)
-    /* Touch the stack to trigger a recoverable segfault
-       if insufficient space remains */
-        addi    1, 1, -16384
-        stw     0, 0(1)
-        addi    1, 1, 16384
     /* Make the exception handler and alloc ptr available to the C code */
         Storeglobal(31, caml_young_ptr, 11)
         Storeglobal(29, caml_exception_pointer, 11)
diff --git a/configure b/configure
index 8e537bd61..b86b8947d 100755
--- a/configure
+++ b/configure
@@ -1148,7 +1148,7 @@ fi
 # Determine if system stack overflows can be detected
 
 case "$arch,$system" in
-  i386,linux_elf|amd64,linux|power,elf|power,rhapsody|amd64,macosx|i386,macosx)
+  i386,linux_elf|amd64,linux|power,rhapsody|amd64,macosx|i386,macosx)
     echo "System stack overflow can be detected."
     echo "#define HAS_STACK_OVERFLOW_DETECTION" >> s.h;;
   *)