[libunwind] r339217 - [libunwind] Fix pointer-to-integer cast warnings on LLP64.

[Charles Davis via cfe-commits]

Author: cdavis
Date: Tue Aug  7 21:21:24 2018
New Revision: 339217

URL: http://llvm.org/viewvc/llvm-project?rev=339217&view=rev
Log:
[libunwind] Fix pointer-to-integer cast warnings on LLP64.

Summary:
`long` is too short on LLP64. We have to use `intptr_t` to
avoid truncating pointers.

Reviewers: mstorsjo, rnk, compnerd, smeenai

Subscribers: christof, cfe-commits, llvm-commits

Differential Revision: https://reviews.llvm.org/D50412

Modified:
    libunwind/trunk/src/UnwindLevel1-gcc-ext.c
    libunwind/trunk/src/UnwindLevel1.c

Modified: libunwind/trunk/src/UnwindLevel1-gcc-ext.c
URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/UnwindLevel1-gcc-ext.c?rev=339217&r1=339216&r2=339217&view=diff
==============================================================================
--- libunwind/trunk/src/UnwindLevel1-gcc-ext.c (original)
+++ libunwind/trunk/src/UnwindLevel1-gcc-ext.c Tue Aug  7 21:21:24 2018
@@ -33,9 +33,9 @@ _Unwind_Resume_or_Rethrow(_Unwind_Except
                        (void *)exception_object,
                        (long)exception_object->unwinder_cache.reserved1);
 #else
-  _LIBUNWIND_TRACE_API("_Unwind_Resume_or_Rethrow(ex_obj=%p), private_1=%ld",
+  _LIBUNWIND_TRACE_API("_Unwind_Resume_or_Rethrow(ex_obj=%p), private_1=%" PRIdPTR,
                        (void *)exception_object,
-                       (long)exception_object->private_1);
+                       (intptr_t)exception_object->private_1);
 #endif
 
 #if defined(_LIBUNWIND_ARM_EHABI)
@@ -92,9 +92,9 @@ _LIBUNWIND_EXPORT void *_Unwind_FindEncl
   unw_proc_info_t info;
   unw_getcontext(&uc);
   unw_init_local(&cursor, &uc);
-  unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(long) pc);
+  unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(intptr_t) pc);
   if (unw_get_proc_info(&cursor, &info) == UNW_ESUCCESS)
-    return (void *)(long) info.start_ip;
+    return (void *)(intptr_t) info.start_ip;
   else
     return NULL;
 }
@@ -190,14 +190,14 @@ _LIBUNWIND_EXPORT const void *_Unwind_Fi
   unw_proc_info_t info;
   unw_getcontext(&uc);
   unw_init_local(&cursor, &uc);
-  unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(long) pc);
+  unw_set_reg(&cursor, UNW_REG_IP, (unw_word_t)(intptr_t) pc);
   unw_get_proc_info(&cursor, &info);
   bases->tbase = (uintptr_t)info.extra;
   bases->dbase = 0; // dbase not used on Mac OS X
   bases->func = (uintptr_t)info.start_ip;
   _LIBUNWIND_TRACE_API("_Unwind_Find_FDE(pc=%p) => %p", pc,
-                  (void *)(long) info.unwind_info);
-  return (void *)(long) info.unwind_info;
+                  (void *)(intptr_t) info.unwind_info);
+  return (void *)(intptr_t) info.unwind_info;
 }
 
 /// Returns the CFA (call frame area, or stack pointer at start of function)

Modified: libunwind/trunk/src/UnwindLevel1.c
URL: http://llvm.org/viewvc/llvm-project/libunwind/trunk/src/UnwindLevel1.c?rev=339217&r1=339216&r2=339217&view=diff
==============================================================================
--- libunwind/trunk/src/UnwindLevel1.c (original)
+++ libunwind/trunk/src/UnwindLevel1.c Tue Aug  7 21:21:24 2018
@@ -287,7 +287,7 @@ unwind_phase2_forced(unw_context_t *uc,
     // If there is a personality routine, tell it we are unwinding.
     if (frameInfo.handler != 0) {
       __personality_routine p =
-          (__personality_routine)(long)(frameInfo.handler);
+          (__personality_routine)(intptr_t)(frameInfo.handler);
       _LIBUNWIND_TRACE_UNWINDING(
           "unwind_phase2_forced(ex_ojb=%p): calling personality function %p",
           (void *)exception_object, (void *)(uintptr_t)p);