diff options
Diffstat (limited to 'bfd/syms.c')
| -rw-r--r-- | bfd/syms.c | 62 |
1 files changed, 34 insertions, 28 deletions
@@ -1,6 +1,6 @@ /* Generic symbol-table support for the BFD library. Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2007 + 2000, 2001, 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc. Written by Cygnus Support. @@ -205,100 +205,104 @@ CODE_FRAGMENT . symvalue value; . . {* Attributes of a symbol. *} -.#define BSF_NO_FLAGS 0x00 +.#define BSF_NO_FLAGS 0x00 . . {* The symbol has local scope; <<static>> in <<C>>. The value . is the offset into the section of the data. *} -.#define BSF_LOCAL 0x01 +.#define BSF_LOCAL (1 << 0) . . {* The symbol has global scope; initialized data in <<C>>. The . value is the offset into the section of the data. *} -.#define BSF_GLOBAL 0x02 +.#define BSF_GLOBAL (1 << 1) . . {* The symbol has global scope and is exported. The value is . the offset into the section of the data. *} .#define BSF_EXPORT BSF_GLOBAL {* No real difference. *} . . {* A normal C symbol would be one of: -. <<BSF_LOCAL>>, <<BSF_FORT_COMM>>, <<BSF_UNDEFINED>> or +. <<BSF_LOCAL>>, <<BSF_COMMON>>, <<BSF_UNDEFINED>> or . <<BSF_GLOBAL>>. *} . . {* The symbol is a debugging record. The value has an arbitrary . meaning, unless BSF_DEBUGGING_RELOC is also set. *} -.#define BSF_DEBUGGING 0x08 +.#define BSF_DEBUGGING (1 << 2) . . {* The symbol denotes a function entry point. Used in ELF, . perhaps others someday. *} -.#define BSF_FUNCTION 0x10 +.#define BSF_FUNCTION (1 << 3) . +. {* The symbol is an indirect code object. Unrelated to BSF_INDIRECT. +. Relocations against a symbol with this flag have to evaluated at +. run-time, where the function pointed to by this symbol is invoked +. in order to determine the value to be used in the relocation. +. BSF_FUNCTION must also be set for symbols with this flag. *} +.#define BSF_INDIRECT_FUNCTION (1 << 4) +. . {* Used by the linker. *} -.#define BSF_KEEP 0x20 -.#define BSF_KEEP_G 0x40 +.#define BSF_KEEP (1 << 5) +.#define BSF_KEEP_G (1 << 6) . . {* A weak global symbol, overridable without warnings by . a regular global symbol of the same name. *} -.#define BSF_WEAK 0x80 +.#define BSF_WEAK (1 << 7) . . {* This symbol was created to point to a section, e.g. ELF's . STT_SECTION symbols. *} -.#define BSF_SECTION_SYM 0x100 +.#define BSF_SECTION_SYM (1 << 8) . . {* The symbol used to be a common symbol, but now it is . allocated. *} -.#define BSF_OLD_COMMON 0x200 -. -. {* The default value for common data. *} -.#define BFD_FORT_COMM_DEFAULT_VALUE 0 +.#define BSF_OLD_COMMON (1 << 9) . . {* In some files the type of a symbol sometimes alters its . location in an output file - ie in coff a <<ISFCN>> symbol . which is also <<C_EXT>> symbol appears where it was . declared and not at the end of a section. This bit is set . by the target BFD part to convey this information. *} -.#define BSF_NOT_AT_END 0x400 +.#define BSF_NOT_AT_END (1 << 10) . . {* Signal that the symbol is the label of constructor section. *} -.#define BSF_CONSTRUCTOR 0x800 +.#define BSF_CONSTRUCTOR (1 << 11) . . {* Signal that the symbol is a warning symbol. The name is a . warning. The name of the next symbol is the one to warn about; . if a reference is made to a symbol with the same name as the next . symbol, a warning is issued by the linker. *} -.#define BSF_WARNING 0x1000 +.#define BSF_WARNING (1 << 12) . . {* Signal that the symbol is indirect. This symbol is an indirect . pointer to the symbol with the same name as the next symbol. *} -.#define BSF_INDIRECT 0x2000 +.#define BSF_INDIRECT (1 << 13) . . {* BSF_FILE marks symbols that contain a file name. This is used . for ELF STT_FILE symbols. *} -.#define BSF_FILE 0x4000 +.#define BSF_FILE (1 << 14) . . {* Symbol is from dynamic linking information. *} -.#define BSF_DYNAMIC 0x8000 +.#define BSF_DYNAMIC (1 << 15) . . {* The symbol denotes a data object. Used in ELF, and perhaps . others someday. *} -.#define BSF_OBJECT 0x10000 +.#define BSF_OBJECT (1 << 16) . . {* This symbol is a debugging symbol. The value is the offset . into the section of the data. BSF_DEBUGGING should be set . as well. *} -.#define BSF_DEBUGGING_RELOC 0x20000 +.#define BSF_DEBUGGING_RELOC (1 << 17) . . {* This symbol is thread local. Used in ELF. *} -.#define BSF_THREAD_LOCAL 0x40000 +.#define BSF_THREAD_LOCAL (1 << 18) . . {* This symbol represents a complex relocation expression, . with the expression tree serialized in the symbol name. *} -.#define BSF_RELC 0x80000 +.#define BSF_RELC (1 << 19) . . {* This symbol represents a signed complex relocation expression, . with the expression tree serialized in the symbol name. *} -.#define BSF_SRELC 0x100000 +.#define BSF_SRELC (1 << 20) . . {* This symbol was created by bfd_get_synthetic_symtab. *} -.#define BSF_SYNTHETIC 0x200000 +.#define BSF_SYNTHETIC (1 << 21) . . flagword flags; . @@ -486,7 +490,7 @@ bfd_print_symbol_vandf (bfd *abfd, void *arg, asymbol *symbol) (type & BSF_WEAK) ? 'w' : ' ', (type & BSF_CONSTRUCTOR) ? 'C' : ' ', (type & BSF_WARNING) ? 'W' : ' ', - (type & BSF_INDIRECT) ? 'I' : ' ', + (type & BSF_INDIRECT) ? 'I' : (type & BSF_INDIRECT_FUNCTION) ? 'i' : ' ', (type & BSF_DEBUGGING) ? 'd' : (type & BSF_DYNAMIC) ? 'D' : ' ', ((type & BSF_FUNCTION) ? 'F' @@ -672,6 +676,8 @@ bfd_decode_symclass (asymbol *symbol) } if (bfd_is_ind_section (symbol->section)) return 'I'; + if (symbol->flags & BSF_INDIRECT_FUNCTION) + return 'i'; if (symbol->flags & BSF_WEAK) { /* If weak, determine if it's specifically an object |