Some of the solution to PR71767 is incomplete, and we need finer-grained
control over whether symbols need to be made linker-visible. This is a
preparation patch, providing the flag.
tested on x86_64-darwin16, applied to mainline.
thanks
gcc/ChangeLog:
2019-11-10 Iain Sandoe <i...@sandoe.co.uk>
* config/darwin.h (MACHO_SYMBOL_FLAG_LINKER_VIS): New.
(MACHO_SYMBOL_LINKER_VIS_P): New.
diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h
index f331fa1..8eb8edf 100644
--- a/gcc/config/darwin.h
+++ b/gcc/config/darwin.h
@@ -843,6 +843,13 @@ extern GTY(()) section *
darwin_sections[NUM_DARWIN_SECTIONS];
#define MACHO_SYMBOL_HIDDEN_VIS_P(RTX) \
((SYMBOL_REF_FLAGS (RTX) & MACHO_SYMBOL_FLAG_HIDDEN_VIS) != 0)
+/* Set on a symbol that should be made visible to the linker (overriding
+ 'L' symbol prefixes). */
+
+#define MACHO_SYMBOL_FLAG_LINKER_VIS ((SYMBOL_FLAG_SUBT_DEP) << 4)
+#define MACHO_SYMBOL_LINKER_VIS_P(RTX) \
+ ((SYMBOL_REF_FLAGS (RTX) & MACHO_SYMBOL_FLAG_LINKER_VIS) != 0)
+
/* Set on a symbol that is a pic stub or symbol indirection (i.e. the
L_xxxxx${stub,non_lazy_ptr,lazy_ptr}. */