ref: c8b187f9db503465460d8bafa2d7a758bbcf59ca
dir: /libdynld/dynld-amd64.c/
#include "lib9.h" #include <a.out.h> #include <dynld.h> #define CHK(i,ntab) if((unsigned)(i)>=(ntab))return "bad relocation index" long dynmagic(void) { return DYN_MAGIC | I_MAGIC; } char* dynreloc(uchar *b, uintptr p, int m, Dynsym **tab, int ntab) { int i; uintptr v, *pp; p += (uintptr)b; pp = (uintptr*)p; v = *pp; switch(m){ case 0: v += (uintptr)b; break; case 1: i = v>>22; v &= 0x3fffff; CHK(i, ntab); v += tab[i]->addr; break; case 2: i = v>>22; CHK(i, ntab); v = tab[i]->addr -p-4; break; default: return "bad relocation mode"; } *pp = v; return nil; }