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5l library loading, 64 bit entry points

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R=rsc
APPROVED=rsc
DELTA=58  (52 added, 3 deleted, 3 changed)
OCL=35417
CL=35417
This commit is contained in:
Kai Backman 2009-10-06 19:00:30 -07:00
parent 116beb2653
commit a2cf914379
2 changed files with 55 additions and 6 deletions
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37
src/cmd/5l/obj.c
View File

@ -41,6 +41,8 @@ char *noname = "<none>";
char symname[] = SYMDEF;
char thechar = '5';
char *thestring = "arm";
char* libdir[16]; // contains "." first, goroot last
int nlibdir = 0;
/*
* -H1 -T0x10005000 -R4 is aif for risc os
@ -89,6 +91,7 @@ main(int argc, char *argv[])
INITDAT = -1;
INITRND = -1;
INITENTRY = 0;
libdir[nlibdir++] = "."; // look in dot first
ARGBEGIN {
default:
@ -104,6 +107,12 @@ main(int argc, char *argv[])
if(a)
INITENTRY = a;
break;
case 'L':
if(nlibdir >= nelem(libdir)-1) {
print("too many -L's: %d\n", nlibdir);
}
libdir[nlibdir++] = ARGF();
break;
case 'T':
a = ARGF();
if(a)
@ -148,6 +157,9 @@ main(int argc, char *argv[])
if(strcmp(goarch, thestring) != 0)
print("goarch is not known: %s\n", goarch);
// put goroot in the libdir list.
libdir[nlibdir++] = smprint("%s/pkg/%s_%s", goroot, goos, goarch);
if(!debug['9'] && !debug['U'] && !debug['B'])
debug[DEFAULT] = 1;
if(HEADTYPE == -1) {
@ -593,12 +605,13 @@ zaddr(Biobuf *f, Adr *a, Sym *h[])
void
addlib(char *obj)
{
char name[1024], comp[256], *p;
int i;
char name[1024], pname[1024], comp[256], *p;
int i, search;
if(histfrogp <= 0)
return;
search = 0;
if(histfrog[0]->name[1] == '/') {
sprint(name, "");
i = 1;
@ -607,11 +620,9 @@ addlib(char *obj)
sprint(name, ".");
i = 0;
} else {
if(debug['9'])
sprint(name, "/%s/lib", thestring);
else
sprint(name, "/usr/%clib", thechar);
sprint(name, "");
i = 0;
search = 1;
}
for(; i<histfrogp; i++) {
@ -641,6 +652,20 @@ addlib(char *obj)
strcat(name, "/");
strcat(name, comp);
}
if(search) {
// try dot, -L "libdir", and then goroot.
for(i=0; i<nlibdir; i++) {
snprint(pname, sizeof pname, "%s/%s", libdir[i], name);
if(access(pname, AEXIST) >= 0)
break;
}
strcpy(name, pname);
}
cleanname(name);
if(debug['v'])
Bprint(&bso, "%5.2f addlib: %s pulls in %s\n", cputime(), obj, name);
for(i=0; i<libraryp; i++)
if(strcmp(name, library[i]) == 0)
return;

24
src/pkg/runtime/arm/vlrt.c
View File

@ -236,6 +236,12 @@ _divvu(Vlong *q, Vlong n, Vlong d)
dodiv(n, d, q, 0);
}
void
sys·uint64div(Vlong n, Vlong d, Vlong q)
{
_divvu(&q, n, d);
}
void
_modvu(Vlong *r, Vlong n, Vlong d)
{
@ -248,6 +254,12 @@ _modvu(Vlong *r, Vlong n, Vlong d)
dodiv(n, d, 0, r);
}
void
sys·uint64mod(Vlong n, Vlong d, Vlong q)
{
_modvu(&q, n, d);
}
static void
vneg(Vlong *v)
{
@ -281,6 +293,12 @@ _divv(Vlong *q, Vlong n, Vlong d)
vneg(q);
}
void
sys·int64div(Vlong n, Vlong d, Vlong q)
{
_divv(&q, n, d);
}
void
_modv(Vlong *r, Vlong n, Vlong d)
{
@ -302,6 +320,12 @@ _modv(Vlong *r, Vlong n, Vlong d)
vneg(r);
}
void
sys·int64mod(Vlong n, Vlong d, Vlong q)
{
_modv(&q, n, d);
}
void
_rshav(Vlong *r, Vlong a, int b)
{