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ld: ignore stab symbols

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Makes 6l work better on OS X 10.5.

Fixes #1352.
Fixes #1353.

R=r
CC=golang-dev
https://golang.org/cl/3661042
This commit is contained in:
Russ Cox 2010-12-17 10:03:43 -08:00
parent 01464cf956
commit 8ec6f7cd11
1 changed files with 5 additions and 1 deletions
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6
src/cmd/ld/ldmacho.c
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@ -32,6 +32,8 @@ enum {
MACHO_FAKE_GOTPCREL = 100, // from macho.h
N_EXT = 0x01,
N_TYPE = 0x1e,
N_STAB = 0xe0,
};
typedef struct MachoObj MachoObj;
@ -596,6 +598,8 @@ ldmacho(Biobuf *f, char *pkg, int64 len, char *pn)
for(i=0; i<symtab->nsym; i++) {
int v;
sym = &symtab->sym[i];
if(sym->type&N_STAB)
continue;
// TODO: check sym->type against outer->type.
name = sym->name;
if(name[0] == '_' && name[1] != '\0')
@ -632,7 +636,7 @@ ldmacho(Biobuf *f, char *pkg, int64 len, char *pn)
Prog *p;
if(s->text != P)
diag("%s: duplicate definition of %s", pn, s->name);
diag("%s sym#%d: duplicate definition of %s", pn, i, s->name);
// build a TEXT instruction with a unique pc
// just to make the rest of the linker happy.
// TODO: this is too 6l-specific ?