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authorBob Weinand <bobwei9@hotmail.com>2015-07-26 21:49:11 +0200
committerBob Weinand <bobwei9@hotmail.com>2015-07-26 21:49:18 +0200
commitf5bef4058cb0ec8ae817a9b249a2b355fb3286fc (patch)
tree2a4bc7874a5cf61abc8ceb91c76ad81f4c23a47a /sapi/phpdbg/phpdbg.c
parent9e8fec1ef70bc5ad79b9c471cf1c6a0845a25785 (diff)
downloadphp-git-f5bef4058cb0ec8ae817a9b249a2b355fb3286fc.tar.gz
Fix bug #70138 (difference between gcc and clang)
Diffstat (limited to 'sapi/phpdbg/phpdbg.c')
-rw-r--r--sapi/phpdbg/phpdbg.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/sapi/phpdbg/phpdbg.c b/sapi/phpdbg/phpdbg.c
index 48e1b6ec06..d92f1ab4dc 100644
--- a/sapi/phpdbg/phpdbg.c
+++ b/sapi/phpdbg/phpdbg.c
@@ -1225,13 +1225,20 @@ void phpdbg_signal_handler(int sig, siginfo_t *info, void *context) /* {{{ */
#endif
-/* A bit dark magic in order to have meaningful allocator adresses */
-#if ZEND_DEBUG && (__has_builtin(__builtin_frame_address) || ZEND_GCC_VERSION >= 3004)
-#define FETCH_PARENT_FILELINE(argsize) \
+/* A bit dark magic in order to have meaningful allocator adresses [ppc(64) may return bogus addresses here] */
+#if ZEND_DEBUG && (__has_builtin(__builtin_frame_address) || ZEND_GCC_VERSION >= 3004) && !defined(__ppc__) && !defined(__ppc64__)
+/* with gcc %rbp/%ebp for __builtin_frame_address() and clang returns the frame return address being at %ebp/%rbp + sizeof(void*) */
+# ifdef __clang__
+# define FETCH_PARENT_START() \
+ parent -= ZEND_MM_ALIGNED_SIZE(sizeof(void *));
+# else
+# define FETCH_PARENT_START()
+# endif
+# define FETCH_PARENT_FILELINE(argsize) \
char *__zend_filename, *__zend_orig_filename; \
uint __zend_lineno, __zend_orig_lineno; \
void *parent = __builtin_frame_address(1U); \
- parent -= ZEND_MM_ALIGNED_SIZE(sizeof(void *)); /* remove frame pointer adress */ \
+ FETCH_PARENT_START() \
parent -= (argsize); /* size of first arguments */ \
parent -= sizeof(char *); /* filename */ \
__zend_filename = *(char **) parent; \
@@ -1245,11 +1252,11 @@ void phpdbg_signal_handler(int sig, siginfo_t *info, void *context) /* {{{ */
parent -= sizeof(uint); /* orig_lineno */ \
__zend_orig_lineno = *(uint *) parent;
#elif ZEND_DEBUG
-#define FETCH_PARENT_FILELINE(argsize) \
+# define FETCH_PARENT_FILELINE(argsize) \
char *__zend_filename = __FILE__, *__zend_orig_filename = NULL; \
uint __zend_lineno = __LINE__, __zend_orig_lineno = 0;
#else
-#define FETCH_PARENT_FILELINE(argsize)
+# define FETCH_PARENT_FILELINE(argsize)
#endif
void *phpdbg_malloc_wrapper(size_t size) /* {{{ */