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add support for thread-local storage

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The apple targets are not done yet.
This commit is contained in:
Quentin Carbonneaux 2022-09-09 17:40:31 +02:00
parent 5cea0c20ee
commit 00a30954ac
12 changed files with 145 additions and 70 deletions
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11
amd64/emit.c
View file

@ -166,8 +166,11 @@ emitcon(Con *con, FILE *f)
switch (con->type) {
case CAddr:
l = str(con->label);
p = con->local ? T.asloc : l[0] == '"' ? "" : T.assym;
fprintf(f, "%s%s", p, l);
p = l[0] == '"' ? "" : T.assym;
if (con->rel == RelThr)
fprintf(f, "%%fs:%s%s@tpoff", p, l);
else
fprintf(f, "%s%s", p, l);
if (con->bits.i)
fprintf(f, "%+"PRId64, con->bits.i);
break;
@ -337,7 +340,7 @@ Next:
case RCon:
off = fn->con[ref.val];
emitcon(&off, f);
if (off.type == CAddr)
if (off.type == CAddr && off.rel != RelThr)
fprintf(f, "(%%rip)");
break;
case RTmp:
@ -549,7 +552,7 @@ emitfn(Fn *fn, FILE *f)
int *r, c, o, n, lbl;
uint64_t fs;
emitlnk(fn->name, &fn->lnk, ".text", f);
emitfnlnk(fn->name, &fn->lnk, f);
fputs("\tpushq %rbp\n\tmovq %rsp, %rbp\n", f);
fs = framesz(fn);
if (fs)

3
amd64/isel.c
View file

@ -78,9 +78,8 @@ fixarg(Ref *r, int k, Ins *i, Fn *fn)
vgrow(&fn->mem, ++fn->nmem);
memset(&a, 0, sizeof a);
a.offset.type = CAddr;
a.offset.local = 1;
n = stashbits(&fn->con[r0.val].bits, KWIDE(k) ? 8 : 4);
sprintf(buf, "fp%d", n);
sprintf(buf, "\"%sfp%d\"", T.asloc, n);
a.offset.label = intern(buf);
fn->mem[fn->nmem-1] = a;
}