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syms(4) Kernel Interfaces Manual syms(4) NAME syms - Symbol table SYNOPSIS #include <sym.h> #include <symconst.h> DESCRIPTION The symbol table departs from the standard COFF symbol table. The sym- bol table consists of many tables unbundling information usually found in the one COFF symbol table. The symbol table should be viewed as a handcrafted, network-style database designed for space and access effi- ciency. The following structures or tables appear in the symbol table: tab(@); lfHB lfHB l l. _ Table@Contents _ Symbolic header@Sizes and locations of all other tables File descriptors@Per file locations for other tables Procedure descriptors@T{ Frame information and location of procedure information T} Local symbols@T{ Local type, local variable, and scoping information T} Local strings@T{ String space for local symbols T} Line numbers@T{ Compacted by encoding, contains a line per instruction T} Relative file desc.@T{ Indirection for inter-file symbol access T} Optimization symbols@T{ To be defined T} Auxiliary symbols@T{ Data type information for local and external sym- bols T} External symbols@T{ Global text and data symbols T} External strings@T{ String space for external symbols T} Dense numbers@T{ Index pairs (file, symbol) for compiler use (-oldc only) T} _ External and local symbols are both represented using the following structure: struct { long iss; /* index into string space */ long value; /* address, size, etc.; depends on sc and st */ unsigned st: 6; /* symbol type (e.g., local, param, etc.) */ unsigned sc: 5; /* storage class (e.g., text, bss, etc.) */ unsigned reserved: 1; unsigned index; /* index to symbol or auxiliary tables */ }; RELATED INFORMATION ldfcn(4). delim off syms(4)