diff options
Diffstat (limited to 'binutils-2.22/gold/symtab.h')
| -rw-r--r-- | binutils-2.22/gold/symtab.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/binutils-2.22/gold/symtab.h b/binutils-2.22/gold/symtab.h index b9b9e00..feed245 100644 --- a/binutils-2.22/gold/symtab.h +++ b/binutils-2.22/gold/symtab.h @@ -993,7 +993,12 @@ class Symbol // index, not one of the special codes from SHN_LORESERVE to // SHN_HIRESERVE (bit 29). bool is_ordinary_shndx_ : 1; - // True if we've seen this symbol in a real ELF object (bit 30). + // True if we've seen this symbol in a "real" ELF object (bit 30). + // If the symbol has been seen in a relocatable, non-IR, object file, + // it's known to be referenced from outside the IR. A reference from + // a dynamic object doesn't count as a "real" ELF, and we'll simply + // mark the symbol as "visible" from outside the IR. The compiler + // can use this distinction to guide its handling of COMDAT symbols. bool in_real_elf_ : 1; // True if this symbol is defined in a section which was discarded // (bit 31). @@ -1308,10 +1313,9 @@ class Symbol_table void gc_mark_undef_symbols(Layout*); - // During garbage collection, this ensures externally visible symbols - // are not treated as garbage while building shared objects. + // This tells garbage collection that this symbol is referenced. void - gc_mark_symbol_for_shlib(Symbol* sym); + gc_mark_symbol(Symbol* sym); // During garbage collection, this keeps sections that correspond to // symbols seen in dynamic objects. |