diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 40 |
1 files changed, 40 insertions, 0 deletions
@@ -1245,6 +1245,46 @@ do { \ #define SYMBOL_REF_WEAK(RTX) \ (RTL_FLAG_CHECK1("SYMBOL_REF_WEAK", (RTX), SYMBOL_REF)->integrated) +/* The tree decl associated with the symbol, or null. */ +#define SYMBOL_REF_DECL(RTX) X0TREE ((RTX), 2) + +/* A set of flags on a symbol_ref that are, in some respects, redundant with + information derivable from the tree decl associated with this symbol. + Except that we build a *lot* of SYMBOL_REFs that aren't associated with a + decl. In some cases this is a bug. But beyond that, it's nice to cache + this information to avoid recomputing it. Finally, this allows space for + the target to store more than one bit of information, as with + SYMBOL_REF_FLAG. */ +#define SYMBOL_REF_FLAGS(RTX) X0INT ((RTX), 1) + +/* These flags are common enough to be defined for all targets. They + are computed by the default version of targetm.encode_section_info. */ + +/* Set if this symbol is a function. */ +#define SYMBOL_FLAG_FUNCTION (1 << 0) +#define SYMBOL_REF_FUNCTION_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_FUNCTION) != 0) +/* Set if targetm.binds_local_p is true. */ +#define SYMBOL_FLAG_LOCAL (1 << 1) +#define SYMBOL_REF_LOCAL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_LOCAL) != 0) +/* Set if targetm.in_small_data_p is true. */ +#define SYMBOL_FLAG_SMALL (1 << 2) +#define SYMBOL_REF_SMALL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_SMALL) != 0) +/* The three-bit field at [5:3] is true for TLS variables; use + SYMBOL_REF_TLS_MODEL to extract the field as an enum tls_model. */ +#define SYMBOL_FLAG_TLS_SHIFT 3 +#define SYMBOL_REF_TLS_MODEL(RTX) \ + ((enum tls_model) ((SYMBOL_REF_FLAGS (RTX) >> SYMBOL_FLAG_TLS_SHIFT) & 3)) +/* Set if this symbol is not defined in this translation unit. */ +#define SYMBOL_FLAG_EXTERNAL (1 << 6) +#define SYMBOL_REF_EXTERNAL_P(RTX) \ + ((SYMBOL_REF_FLAGS (RTX) & SYMBOL_FLAG_EXTERNAL) != 0) + +/* Subsequent bits are available for the target to use. */ +#define SYMBOL_FLAG_MACH_DEP (1 << 7) + /* Define a macro to look for REG_INC notes, but save time on machines where they never exist. */ |