diff options
Diffstat (limited to 'src/cmd/ld/symtab.c')
| -rw-r--r-- | src/cmd/ld/symtab.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/cmd/ld/symtab.c b/src/cmd/ld/symtab.c index 89a594872..698194f84 100644 --- a/src/cmd/ld/symtab.c +++ b/src/cmd/ld/symtab.c @@ -121,12 +121,22 @@ putelfsym(Sym *x, char *s, int t, vlong addr, vlong size, int ver, Sym *go) // One pass for each binding: STB_LOCAL, STB_GLOBAL, // maybe one day STB_WEAK. - bind = (ver || (x->type & SHIDDEN)) ? STB_LOCAL : STB_GLOBAL; + bind = STB_GLOBAL; + if(ver || (x->type & SHIDDEN)) + bind = STB_LOCAL; + + // In external linking mode, we have to invoke gcc with -rdynamic + // to get the exported symbols put into the dynamic symbol table. + // To avoid filling the dynamic table with lots of unnecessary symbols, + // mark all Go symbols local (not global) in the final executable. + if(linkmode == LinkExternal && !(x->cgoexport&CgoExportStatic)) + bind = STB_LOCAL; + if(bind != elfbind) return; off = putelfstr(s); - if(isobj) + if(linkmode == LinkExternal) addr -= xo->sect->vaddr; putelfsyment(off, addr, size, (bind<<4)|(type&0xf), xo->sect->elfsect->shnum, (x->type & SHIDDEN) ? 2 : 0); x->elfsym = numelfsym++; @@ -424,10 +434,8 @@ symtab(void) xdefine("datarelro", SDATARELRO, 0); xdefine("edatarelro", SDATARELRO, 0); } - xdefine("gcdata", SGCDATA, 0); - xdefine("egcdata", SGCDATA, 0); - xdefine("gcbss", SGCBSS, 0); - xdefine("egcbss", SGCBSS, 0); + xdefine("egcdata", STYPE, 0); + xdefine("egcbss", STYPE, 0); xdefine("noptrdata", SNOPTRDATA, 0); xdefine("enoptrdata", SNOPTRDATA, 0); xdefine("data", SDATA, 0); |