Blame SOURCES/glibc-rh1505492-bounded-5.patch

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commit e782a927c24430100bf2008c96cd421a70285a7e
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Author: Joseph Myers <joseph@codesourcery.com>
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Date:   Fri Feb 1 06:35:29 2013 +0000
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    Remove BOUNDED_N and BOUNDED_1.
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Conflicts:
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	sysdeps/sparc/backtrace.c
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The changes to that file have been applied to
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sysdeps/sparc/sparc64/backtrace.c instead.
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diff --git a/debug/backtrace.c b/debug/backtrace.c
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index a3fd81c32d176089..d0785329a2514e20 100644
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--- a/debug/backtrace.c
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+++ b/debug/backtrace.c
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@@ -21,7 +21,6 @@
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 #include <signal.h>
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 #include <frame.h>
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 #include <sigcontextinfo.h>
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-#include <bp-checks.h>
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 #include <ldsodefs.h>
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 /* This implementation assumes a stack layout that matches the defaults
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@@ -50,7 +49,7 @@
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 /* By default assume the `next' pointer in struct layout points to the
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    next struct layout.  */
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 #ifndef ADVANCE_STACK_FRAME
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-# define ADVANCE_STACK_FRAME(next) BOUNDED_1 ((struct layout *) (next))
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+# define ADVANCE_STACK_FRAME(next) ((struct layout *) (next))
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 #endif
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 /* By default, the frame pointer is just what we get from gcc.  */
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@@ -72,7 +71,7 @@ __backtrace (array, size)
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   top_stack = CURRENT_STACK_FRAME;
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   /* We skip the call to this function, it makes no sense to record it.  */
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-  current = BOUNDED_1 ((struct layout *) top_frame);
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+  current = ((struct layout *) top_frame);
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   while (cnt < size)
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     {
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       if ((void *) current INNER_THAN top_stack
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diff --git a/sysdeps/generic/bp-checks.h b/sysdeps/generic/bp-checks.h
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index d43e299d4dc06b6b..f2610786aed0cc85 100644
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--- a/sysdeps/generic/bp-checks.h
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+++ b/sysdeps/generic/bp-checks.h
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@@ -66,13 +66,6 @@ extern void *__unbounded __ubp_memchr (const void *__unbounded, int, unsigned);
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 /* Same as CHECK_STRING, but tolerate ARG == NULL.  */
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 # define CHECK_STRING_NULL_OK(ARG) _CHECK_STRING ((ARG), __ptrvalue (ARG))
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-/* Return a bounded pointer with value PTR that satisfies CHECK_N (PTR, N).  */
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-# define BOUNDED_N(PTR, N) 				\
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-  ({ __typeof (PTR) __bounded _p_;			\
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-     __ptrvalue _p_ = __ptrlow _p_ = __ptrvalue (PTR);	\
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-     __ptrhigh _p_ = __ptrvalue _p_ + (N);		\
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-     _p_; })
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-
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 #else /* !__BOUNDED_POINTERS__ */
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 /* Do nothing if not compiling with -fbounded-pointers.  */
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@@ -85,10 +78,7 @@ extern void *__unbounded __ubp_memchr (const void *__unbounded, int, unsigned);
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 # define CHECK_N(ARG, N) (ARG)
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 # define CHECK_N_NULL_OK(ARG, N) (ARG)
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 # define CHECK_STRING(ARG) (ARG)
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-# define BOUNDED_N(PTR, N) (PTR)
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 #endif /* !__BOUNDED_POINTERS__ */
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-#define BOUNDED_1(PTR) BOUNDED_N (PTR, 1)
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-
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 #endif /* _bp_checks_h_ */
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diff --git a/sysdeps/powerpc/powerpc32/backtrace.c b/sysdeps/powerpc/powerpc32/backtrace.c
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index 942951f2bc0ce45d..0e2e5c296876444e 100644
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--- a/sysdeps/powerpc/powerpc32/backtrace.c
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+++ b/sysdeps/powerpc/powerpc32/backtrace.c
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@@ -18,7 +18,6 @@
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 #include <execinfo.h>
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 #include <stddef.h>
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-#include <bp-checks.h>
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 /* This is the stack layout we see with every stack frame.
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    Note that every routine is required by the ABI to lay out the stack
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@@ -47,11 +46,10 @@ __backtrace (void **array, int size)
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   /* Get the address on top-of-stack.  */
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   asm volatile ("lwz %0,0(1)" : "=r"(current));
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-  current = BOUNDED_1 (current);
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   for (				count = 0;
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        current != NULL && 	count < size;
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-       current = BOUNDED_1 (current->next), count++)
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+       current = current->next, count++)
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     array[count] = current->return_address;
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   /* It's possible the second-last stack frame can't return
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diff --git a/sysdeps/powerpc/powerpc64/backtrace.c b/sysdeps/powerpc/powerpc64/backtrace.c
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index 89957a5f4e1efb95..08e535585ef2a104 100644
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--- a/sysdeps/powerpc/powerpc64/backtrace.c
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+++ b/sysdeps/powerpc/powerpc64/backtrace.c
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@@ -18,7 +18,6 @@
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 #include <execinfo.h>
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 #include <stddef.h>
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-#include <bp-checks.h>
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 /* This is the stack layout we see with every stack frame.
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    Note that every routine is required by the ABI to lay out the stack
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@@ -50,11 +49,10 @@ __backtrace (void **array, int size)
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   /* Get the address on top-of-stack.  */
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   asm volatile ("ld %0,0(1)" : "=r"(current));
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-  current = BOUNDED_1 (current);
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   for (				count = 0;
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        current != NULL && 	count < size;
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-       current = BOUNDED_1 (current->next), count++)
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+       current = current->next, count++)
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     array[count] = current->return_address;
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   /* It's possible the second-last stack frame can't return
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diff --git a/sysdeps/sparc/sparc64/backtrace.c b/sysdeps/sparc/sparc64/backtrace.c
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index e9a72a69a0c64d75..d5a1ebec000ce91e 100644
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--- a/sysdeps/sparc/sparc64/backtrace.c
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+++ b/sysdeps/sparc/sparc64/backtrace.c
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@@ -19,7 +19,6 @@
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 #include <execinfo.h>
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 #include <stddef.h>
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-#include <bp-checks.h>
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 #include <sysdep.h>
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 struct layout
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@@ -40,7 +39,6 @@ __backtrace (void **array, int size)
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   asm volatile ("flushw");
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   asm volatile ("mov %%fp, %0" : "=r"(fp));
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   current = (struct layout *__unbounded) (fp + STACK_BIAS);
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-  current = BOUNDED_1 (current);
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   for (count = 0; count < size; count++)
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     {
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@@ -48,7 +46,6 @@ __backtrace (void **array, int size)
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       if (!current->next)
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 	break;
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       current = (struct layout *__unbounded) (current->next + STACK_BIAS);
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-      current = BOUNDED_1 (current);
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     }
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   return count;
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diff --git a/sysdeps/unix/sysv/linux/shmat.c b/sysdeps/unix/sysv/linux/shmat.c
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index d01bb1bdb779fb0d..21417f4ced70e778 100644
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--- a/sysdeps/unix/sysv/linux/shmat.c
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+++ b/sysdeps/unix/sysv/linux/shmat.c
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@@ -23,7 +23,6 @@
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 #include <sysdep.h>
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 #include <unistd.h>
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 #include <sys/syscall.h>
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-#include <bp-checks.h>
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 /* Attach the shared memory segment associated with SHMID to the data
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    segment of the calling process.  SHMADDR and SHMFLG determine how
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@@ -58,5 +57,5 @@ shmat (shmid, shmaddr, shmflg)
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       return (void *) -1l;
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     }
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-  return BOUNDED_N (raddr, length);
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+  return raddr;
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 }