Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

cmd/internal/obj,cmd/link: access global data via GOT in -dynlink mode on loong64

Browse source 
Updates #58784

Change-Id: Ic98d10a512fea0c3ca321ab52693d9f6775126a6
Reviewed-on: https://go-review.googlesource.com/c/go/+/480875
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: WANG Xuerui <git@xen0n.name>
This commit is contained in:
Guoqi Chen 2023-10-10 20:16:36 +08:00 • committed by David Chase
parent f43581131e
commit 346e06c46d
9 changed files with 310 additions and 145 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/cmd/internal/obj/loong64/asm.go
View file

@ -349,6 +349,8 @@ var optab = []Optab{
{AWORD, C_LCON, C_NONE, C_NONE, C_NONE, C_NONE, 40, 4, 0, 0},
{AWORD, C_DCON, C_NONE, C_NONE, C_NONE, C_NONE, 61, 4, 0, 0},
{AMOVV, C_GOTADDR, C_NONE, C_NONE, C_REG, C_NONE, 65, 8, 0, 0},
{ATEQ, C_SCON, C_REG, C_NONE, C_REG, C_NONE, 15, 8, 0, 0},
{ATEQ, C_SCON, C_NONE, C_NONE, C_REG, C_NONE, 15, 8, 0, 0},
@ -676,6 +678,9 @@ func (c *ctxt0) aclass(a *obj.Addr) int {
return C_SOREG
}
return C_LOREG
case obj.NAME_GOTREF:
return C_GOTADDR
}
return C_GOK
@ -1776,6 +1781,22 @@ func (c *ctxt0) asmout(p *obj.Prog, o *Optab, out []uint32) {
case 64: // movv c_reg, c_fcc0 ==> movgr2cf cd, rj
a := OP_TEN(8, 1334)
o1 = OP_RR(a, uint32(p.From.Reg), uint32(p.To.Reg))
case 65: // mov sym@GOT, r ==> pcalau12i + ld.d
o1 = OP_IR(c.opir(APCALAU12I), uint32(0), uint32(p.To.Reg))
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 4
rel.Sym = p.From.Sym
rel.Type = objabi.R_LOONG64_GOT_HI
rel.Add = 0x0
o2 = OP_12IRR(c.opirr(-p.As), uint32(0), uint32(p.To.Reg), uint32(p.To.Reg))
rel2 := obj.Addrel(c.cursym)
rel2.Off = int32(c.pc + 4)
rel2.Siz = 4
rel2.Sym = p.From.Sym
rel2.Type = objabi.R_LOONG64_GOT_LO
rel2.Add = 0x0
}
out[0] = o1