diff options
Diffstat (limited to 'gnu/usr.bin/ld/symbol.c')
| -rw-r--r-- | gnu/usr.bin/ld/symbol.c | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/gnu/usr.bin/ld/symbol.c b/gnu/usr.bin/ld/symbol.c index d789a3a..af182a9 100644 --- a/gnu/usr.bin/ld/symbol.c +++ b/gnu/usr.bin/ld/symbol.c @@ -1,5 +1,5 @@ /* - * $Id: symbol.c,v 1.2 1993/11/09 04:19:04 paul Exp $ - symbol table routines + * $Id: symbol.c,v 1.3 1993/11/22 19:04:45 jkh Exp $ - symbol table routines */ /* Create the symbol table entries for `etext', `edata' and `end'. */ @@ -15,6 +15,15 @@ #include "ld.h" +symbol *symtab[SYMTABSIZE]; /* The symbol table. */ +int num_hash_tab_syms; /* Number of symbols in symbol hash table. */ + +symbol *edata_symbol; /* the symbol _edata */ +symbol *etext_symbol; /* the symbol _etext */ +symbol *end_symbol; /* the symbol _end */ +symbol *got_symbol; /* the symbol __GLOBAL_OFFSET_TABLE_ */ +symbol *dynamic_symbol; /* the symbol __DYNAMIC */ + void symtab_init (relocatable_output) int relocatable_output; @@ -22,36 +31,40 @@ int relocatable_output; /* * Put linker reserved symbols into symbol table. */ +#ifndef nounderscore +#define ETEXT_SYM "_etext" +#define EDATA_SYM "_edata" +#define END_SYM "_end" +#define DYN_SYM "__DYNAMIC" +#define GOT_SYM "__GLOBAL_OFFSET_TABLE_" +#else +#define ETEXT_SYM "etext" +#define EDATA_SYM "edata" +#define END_SYM "end" +#define DYN_SYM "_DYNAMIC" +#define GOT_SYM "_GLOBAL_OFFSET_TABLE_" +#endif - dynamic_symbol = getsym ("__DYNAMIC"); + dynamic_symbol = getsym (DYN_SYM); dynamic_symbol->defined = relocatable_output?N_UNDF:(N_DATA | N_EXT); - dynamic_symbol->referenced = 0; - dynamic_symbol->value = 0; - got_symbol = getsym ("__GLOBAL_OFFSET_TABLE_"); + got_symbol = getsym (GOT_SYM); got_symbol->defined = N_DATA | N_EXT; - got_symbol->referenced = 0; - got_symbol->value = 0; if (relocatable_output) return; -#ifndef nounderscore - edata_symbol = getsym ("_edata"); - etext_symbol = getsym ("_etext"); - end_symbol = getsym ("_end"); -#else - edata_symbol = getsym ("edata"); - etext_symbol = getsym ("etext"); - end_symbol = getsym ("end"); -#endif - edata_symbol->defined = N_DATA | N_EXT; + etext_symbol = getsym (ETEXT_SYM); + edata_symbol = getsym (EDATA_SYM); + end_symbol = getsym (END_SYM); + etext_symbol->defined = N_TEXT | N_EXT; + edata_symbol->defined = N_DATA | N_EXT; end_symbol->defined = N_BSS | N_EXT; - edata_symbol->referenced = 1; - etext_symbol->referenced = 1; - end_symbol->referenced = 1; + etext_symbol->flags |= GS_REFERENCED; + edata_symbol->flags |= GS_REFERENCED; + end_symbol->flags |= GS_REFERENCED; } /* Compute the hash code for symbol name KEY. */ @@ -82,7 +95,7 @@ getsym(key) register symbol *bp; /* Determine the proper bucket. */ - hashval = hash_string (key) % TABSIZE; + hashval = hash_string (key) % SYMTABSIZE; /* Search the bucket. */ for (bp = symtab[hashval]; bp; bp = bp->link) @@ -91,17 +104,15 @@ getsym(key) /* Nothing was found; create a new symbol table entry. */ bp = (symbol *) xmalloc (sizeof (symbol)); - bp->refs = 0; bp->name = (char *) xmalloc (strlen (key) + 1); strcpy (bp->name, key); + bp->refs = 0; bp->defined = 0; - bp->referenced = 0; - bp->trace = 0; bp->value = 0; - bp->max_common_size = 0; + bp->common_size = 0; bp->warning = 0; bp->undef_refs = 0; - bp->multiply_defined = 0; + bp->mult_defs = 0; bp->alias = 0; bp->setv_count = 0; bp->symbolnum = 0; @@ -114,10 +125,7 @@ getsym(key) bp->def_nlist = 0; bp->jmpslot_offset = -1; bp->gotslot_offset = -1; - bp->jmpslot_claimed = 0; - bp->gotslot_claimed = 0; - bp->cpyreloc_reserved = 0; - bp->cpyreloc_claimed = 0; + bp->flags = 0; /* Add the entry to the bucket. */ bp->link = symtab[hashval]; @@ -139,7 +147,7 @@ getsym_soft (key) /* Determine which bucket. */ - hashval = hash_string (key) % TABSIZE; + hashval = hash_string (key) % SYMTABSIZE; /* Search the bucket. */ |
