Add defines to support ELF symbol tables.

diff --git a/include/ChangeLog b/include/ChangeLog
index ec36bc879d1ceff62ddd38cdb873cbd7ca74ef0b..0ef71972ad00c6de72bd477492a6eab1579b4185 100644 (file)
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,13 @@
+Thu Nov 14 19:17:03 1991  Fred Fish  (fnf at cygnus.com)
+
+       * elf-common.h:  Add defines to support ELF symbol table code.
+
+Mon Nov 11 19:01:06 1991  Fred Fish  (fnf at cygnus.com)
+
+       * elf-internal.h, elf-external.h, elf-common.h:  Add support for
+       note sections, which are used in ELF core files to hold copies
+       of various /proc structures.
+
 Thu Nov  7 08:58:26 1991  Steve Chamberlain  (sac at cygnus.com)
 
        * internalcoff.h: took out the M88 dependency in the lineno

diff --git a/include/elf-common.h b/include/elf-common.h
index a2cb39806aab5ec31c2bec3a0a861403e44ee4c8..cd15b9b2f11e0ee35621573ea1abb0a964c32353 100755 (executable)
--- a/include/elf-common.h
+++ b/include/elf-common.h
@@ -132,3 +132,36 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #define NT_PRSTATUS    1               /* Contains copy of prstatus struct */
 #define NT_FPREGSET    2               /* Contains copy of fpregset struct */
 #define NT_PRPSINFO    3               /* Contains copy of prpsinfo struct */
+
+/* These three macros disassemble and assemble a symbol table st_info field,
+   which contains the symbol binding and symbol type.  The STB_ and STT_
+   defines identify the binding and type. */
+
+#define ELF_ST_BIND(val)               (((unsigned int)(val)) >> 4)
+#define ELF_ST_TYPE(val)               ((val) & 0xF)
+#define ELF_ST_INFO(bind,type)         (((bind) << 4) & ((type) & 0xF))
+
+#define STB_LOCAL      0               /* Symbol not visible outside obj */
+#define STB_GLOBAL     1               /* Symbol visible outside obj */
+#define STB_WEAK       2               /* Like globals, lower precedence */
+#define STB_LOPROC     13              /* Application-specific semantics */
+#define STB_HIPROC     15              /* Application-specific semantics */
+
+#define STT_NOTYPE     0               /* Symbol type is unspecified */
+#define STT_OBJECT     1               /* Symbol is a data object */
+#define STT_FUNC       2               /* Symbol is a code object */
+#define STT_SECTION    3               /* Symbol associated with a section */
+#define STT_FILE       4               /* Symbol gives a file name */
+#define STT_LOPROC     13              /* Application-specific semantics */
+#define STT_HIPROC     15              /* Application-specific semantics */
+
+/* Special section indices, which may show up in st_shndx fields, among
+   other places. */
+
+#define SHN_UNDEF      0               /* Undefined section reference */
+#define SHN_LORESERV   0xFF00          /* Begin range of reserved indices */
+#define SHN_LOPROC     0xFF00          /* Begin range of appl-specific */
+#define SHN_HIPROC     0xFF1F          /* End range of appl-specific */
+#define SHN_ABS                0xFFF1          /* Associated symbol is absolute */
+#define SHN_COMMON     0xFFF2          /* Associated symbol is in common */
+#define SHN_HIRESERVE  0xFFFF          /* End range of reserved indices */