mirror of
https://github.com/reactos/reactos.git
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77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
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#include <precomp.h>
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#define NDEBUG
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#include <debug.h>
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static int
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_dwarfnametounit(Dwarf *d, char *name, DwarfBlock *bl, DwarfSym *s)
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{
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int vers;
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ulong len, unit, off;
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uchar *next;
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char *str;
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DwarfBuf b;
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b.d = d;
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b.p = bl->data;
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b.ep = b.p + bl->len;
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while(b.p < b.ep){
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len = dwarfget4(&b);
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if(len > b.ep-b.p){
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werrstr("bad length in dwarf name header");
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return -1;
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}
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next = b.p + len;
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vers = dwarfget2(&b);
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if(vers != 1 && vers != 2){
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werrstr("bad version %d in dwarf name header", vers);
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return -1;
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}
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unit = dwarfget4(&b);
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dwarfget4(&b); /* unit length */
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while(b.p < next){
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off = dwarfget4(&b);
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if(off == 0)
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break;
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str = dwarfgetstring(&b);
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if(strcmp(str, name) == 0){
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if(dwarfenumunit(d, unit, s) < 0)
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return -1;
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if(unit + off >= s->b.ep - d->info.data){
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werrstr("bad offset in name entry");
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return -1;
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}
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s->b.p = d->info.data + unit + off;
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if(dwarfnextsym(d, s) < 0)
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return -1;
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if(s->attrs.name==nil || strcmp(s->attrs.name, name)!=0){
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werrstr("unexpected name %#q in lookup for %#q", s->attrs.name, name);
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return -1;
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}
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return 0;
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}
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}
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b.p = next;
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}
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werrstr("unknown name '%s'", name);
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return -1;
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}
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int
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dwarflookupname(Dwarf *d, char *name, DwarfSym *sym)
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{
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return _dwarfnametounit(d, name, &d->pubnames, sym);
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}
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/*
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int
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dwarflookuptype(Dwarf *d, char *name, DwarfSym *sym)
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{
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return _dwarfnametounit(d, name, &d->pubtypes, sym);
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}
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*/
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