diff options
Diffstat (limited to 'lib/xref.h')
| -rw-r--r-- | lib/xref.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/xref.h b/lib/xref.h index b1cb172b41..63166b069a 100644 --- a/lib/xref.h +++ b/lib/xref.h @@ -137,6 +137,19 @@ extern void xref_gcc_workaround(const struct xref *xref); extern const struct xref * const __start_xref_array[1] DSO_LOCAL; extern const struct xref * const __stop_xref_array[1] DSO_LOCAL; +#if defined(__has_feature) +#if __has_feature(address_sanitizer) +/* no redzone around each of the xref_p please, we're building an array out + * of variables here. kinda breaks things if there's redzones between each + * array item. + */ +#define xref_array_attr used, section("xref_array"), no_sanitize("address") +#endif +#endif +#ifndef xref_array_attr +#define xref_array_attr used, section("xref_array") +#endif + /* this macro is invoked once for each standalone DSO through * FRR_MODULE_SETUP \ * }-> FRR_COREMOD_SETUP -> XREF_SETUP @@ -151,8 +164,7 @@ extern const struct xref * const __stop_xref_array[1] DSO_LOCAL; /* .func = */ "dummy", \ }; \ static const struct xref * const _dummy_xref_p \ - __attribute__((used, section("xref_array"))) \ - = &_dummy_xref; \ + __attribute__((xref_array_attr)) = &_dummy_xref; \ static void __attribute__((used, _CONSTRUCTOR(1100))) \ _xref_init(void) { \ static struct xref_block _xref_block = { \ @@ -225,7 +237,7 @@ extern const struct xref * const __stop_xref_array[1] DSO_LOCAL; #if defined(__clang__) || !defined(__cplusplus) #define XREF_LINK(dst) \ static const struct xref * const NAMECTR(xref_p_) \ - __attribute__((used, section("xref_array"))) \ + __attribute__((xref_array_attr)) \ = &(dst) \ /* end */ |