PATCH: Cast _Unwind_GetCFA return to _Unwind_Ptr first in _JMPBUF_CFA_UNWINDS_ADJ
H.J. Lu
hongjiu.lu@intel.com
Fri Mar 16 18:02:00 GMT 2012
On Fri, Mar 16, 2012 at 10:50:58AM -0700, H.J. Lu wrote:
> _Unwind_GetCFA returns _Unwind_Word which may be 64bit on targets with
> 32bit pointers, like x32. This patch casts _Unwind_GetCFA return to
> _Unwind_Ptr first to silence GCC warning. OK to install?
>
Here is another instance to cast _Unwind_GetCFA return to _Unwind_Ptr
first. OK to install?
Thanks.
H.J.
---
2012-03-16 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/x86_64/jmpbuf-unwind.h (_JMPBUF_CFA_UNWINDS_ADJ): Cast
_Unwind_GetCFA return to _Unwind_Ptr first.
diff --git a/sysdeps/x86_64/jmpbuf-unwind.h b/sysdeps/x86_64/jmpbuf-unwind.h
index 646615d..890037e 100644
--- a/sysdeps/x86_64/jmpbuf-unwind.h
+++ b/sysdeps/x86_64/jmpbuf-unwind.h
@@ -28,7 +28,9 @@
((void *) (address) < (void *) demangle ((jmpbuf)[JB_RSP]))
#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
- _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+ _JMPBUF_UNWINDS_ADJ (_jmpbuf, \
+ (void *) (_Unwind_Ptr) _Unwind_GetCFA (_context), \
+ _adj)
static inline uintptr_t __attribute__ ((unused))
_jmpbuf_sp (__jmp_buf regs)
--
1.7.6.5
More information about the Libc-alpha
mailing list