// Walk over symtab, calling fn(&s) for each symbol.
static void
walksymtab(void (*fn)(Sym*))
{
byte *p, *ep, *q;
Sym s;
int32 bigend;
p = symtab;
ep = esymtab;
// Default is big-endian value encoding.
// If table begins fe ff ff ff 00 00, little-endian.
bigend = 1;
if(symtab[0] == 0xfe && symtab[1] == 0xff && symtab[2] == 0xff && symtab[3] == 0xff && symtab[4] == 0x00 && symtab[5] == 0x00) {
p += 6;
bigend = 0;
}
while(p < ep) {
if(p + 7 > ep)
break;
if(bigend)
s.value = ((uint32)p[0]<<24) | ((uint32)p[1]<<16) | ((uint32)p[2]<<8) | ((uint32)p[3]);
else
s.value = ((uint32)p[3]<<24) | ((uint32)p[2]<<16) | ((uint32)p[1]<<8) | ((uint32)p[0]);
if(!(p[4]&0x80))
break;
s.symtype = p[4] & ~0x80;
p += 5;
s.name = p;
if(s.symtype == 'z' || s.symtype == 'Z') {
// path reference string - skip first byte,
// then 2-byte pairs ending at two zeros.
q = p+1;
for(;;) {
if(q+2 > ep)
return;
if(q[0] == '\0' && q[1] == '\0')
break;
q += 2;
}
p = q+2;
}else{
q = runtime·mchr(p, '\0', ep);
if(q == nil)
break;
p = q+1;
}
p += 4; // go type
fn(&s);
}
}
// Walk over symtab, calling fn(&s) for each symbol.
static void
walksymtab(void (*fn)(Sym*))
{
int32 *v;
byte *p, *ep, *q;
Sym s;
// TODO(rsc): Remove once TODO at top of file is done.
if(goos != nil && strcmp((uint8*)goos, (uint8*)"nacl") == 0)
return;
if(goos != nil && strcmp((uint8*)goos, (uint8*)"pchw") == 0)
return;
#ifdef __MINGW__
v = get_symdat_addr();
p = (byte*)v+8;
#else
v = SYMCOUNTS;
p = SYMDATA;
#endif
ep = p + v[0];
while(p < ep) {
if(p + 7 > ep)
break;
s.value = ((uint32)p[0]<<24) | ((uint32)p[1]<<16) | ((uint32)p[2]<<8) | ((uint32)p[3]);
if(!(p[4]&0x80))
break;
s.symtype = p[4] & ~0x80;
p += 5;
s.name = p;
if(s.symtype == 'z' || s.symtype == 'Z') {
// path reference string - skip first byte,
// then 2-byte pairs ending at two zeros.
q = p+1;
for(;;) {
if(q+2 > ep)
return;
if(q[0] == '\0' && q[1] == '\0')
break;
q += 2;
}
p = q+2;
} else {
q = mchr(p, '\0', ep);
if(q == nil)
break;
p = q+1;
}
p += 4; // go type
fn(&s);
}
}
// Walk over symtab, calling fn(&s) for each symbol.
static void
walksymtab(void (*fn)(Sym*))
{
int32 *v;
byte *p, *ep, *q;
Sym s;
if(symdat == nil)
return;
#ifdef __WINDOWS__
v = get_symdat_addr();
p = (byte*)v+8;
#else
v = symdat;
p = (byte*)(symdat+2);
#endif
ep = p + v[0];
while(p < ep) {
if(p + 7 > ep)
break;
s.value = ((uint32)p[0]<<24) | ((uint32)p[1]<<16) | ((uint32)p[2]<<8) | ((uint32)p[3]);
if(!(p[4]&0x80))
break;
s.symtype = p[4] & ~0x80;
p += 5;
s.name = p;
if(s.symtype == 'z' || s.symtype == 'Z') {
// path reference string - skip first byte,
// then 2-byte pairs ending at two zeros.
q = p+1;
for(;;) {
if(q+2 > ep)
return;
if(q[0] == '\0' && q[1] == '\0')
break;
q += 2;
}
p = q+2;
}else{
q = mchr(p, '\0', ep);
if(q == nil)
break;
p = q+1;
}
p += 4; // go type
fn(&s);
}
}
// Walk over symtab, calling fn(&s) for each symbol.
static void
walksymtab(void (*fn)(Sym*))
{
byte *p, *ep, *q;
Sym s;
p = symtab;
ep = esymtab;
while(p < ep) {
if(p + 7 > ep)
break;
s.value = ((uint32)p[0]<<24) | ((uint32)p[1]<<16) | ((uint32)p[2]<<8) | ((uint32)p[3]);
if(!(p[4]&0x80))
break;
s.symtype = p[4] & ~0x80;
p += 5;
s.name = p;
if(s.symtype == 'z' || s.symtype == 'Z') {
// path reference string - skip first byte,
// then 2-byte pairs ending at two zeros.
q = p+1;
for(;;) {
if(q+2 > ep)
return;
if(q[0] == '\0' && q[1] == '\0')
break;
q += 2;
}
p = q+2;
}else{
q = runtime·mchr(p, '\0', ep);
if(q == nil)
break;
p = q+1;
}
p += 4; // go type
fn(&s);
}
}
