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-rw-r--r--ldso/include/dl-defs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/ldso/include/dl-defs.h b/ldso/include/dl-defs.h
index be0a81da3..88ff81593 100644
--- a/ldso/include/dl-defs.h
+++ b/ldso/include/dl-defs.h
@@ -179,6 +179,14 @@ typedef struct {
#define DL_LOOKUP_ADDRESS(ADDRESS) (ADDRESS)
#endif
+/* On some architectures dladdr can't use st_size of all symbols this way. */
+#define DL_ADDR_SYM_MATCH(SYM_ADDR, SYM, MATCHSYM, ADDR) \
+ ((ADDR) >= (SYM_ADDR) \
+ && ((((SYM)->st_shndx == SHN_UNDEF || (SYM)->st_size == 0) \
+ && (ADDR) == (SYM_ADDR)) \
+ || (ADDR) < (SYM_ADDR) + (SYM)->st_size) \
+ && (!(MATCHSYM) || MATCHSYM < (SYM_ADDR)))
+
/* Use this macro to convert a pointer to a function's entry point to
* a pointer to function. The pointer is assumed to have already been
* relocated. LOADADDR is passed because it may contain additional