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cmd/internal/obj/loong64, cmd/internal/objabi, cmd/link: add support for --buildmode=c-shared on loong64

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Updates #53301
Updates #58784

Change-Id: Ifcb40871f609531dfd8b568db9ac14da9b451742
Reviewed-on: https://go-review.googlesource.com/c/go/+/425476
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Run-TryBot: WANG Xuerui <git@xen0n.name>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: WANG Xuerui <git@xen0n.name>
This commit is contained in:
limeidan 2022-08-25 11:13:10 +08:00 • committed by Gopher Robot
parent 267b50a834
commit 1f908bd060
6 changed files with 99 additions and 24 deletions
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74
src/cmd/internal/obj/loong64/asm.go
View file

@ -161,11 +161,11 @@ var optab = []Optab{
{AMOVB, C_REG, C_NONE, C_NONE, C_ADDR, C_NONE, 50, 8, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_ADDR, C_NONE, 50, 8, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_ADDR, C_NONE, 50, 8, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_TLS, C_NONE, 53, 16, 0, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_TLS, C_NONE, 53, 16, 0, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_TLS, C_NONE, 53, 16, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_TLS, C_NONE, 53, 16, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_TLS, C_NONE, 53, 16, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_TLS_LE, C_NONE, 53, 16, 0, 0},
{AMOVW, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
{AMOVWU, C_LEXT, C_NONE, C_NONE, C_REG, C_NONE, 36, 12, 0, 0},
@ -190,11 +190,11 @@ var optab = []Optab{
{AMOVB, C_ADDR, C_NONE, C_NONE, C_REG, C_NONE, 51, 8, 0, 0},
{AMOVBU, C_ADDR, C_NONE, C_NONE, C_REG, C_NONE, 51, 8, 0, 0},
{AMOVBU, C_ADDR, C_NONE, C_NONE, C_REG, C_NONE, 51, 8, 0, 0},
{AMOVW, C_TLS, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVWU, C_TLS, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVV, C_TLS, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVB, C_TLS, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVBU, C_TLS, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVW, C_TLS_LE, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVWU, C_TLS_LE, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVV, C_TLS_LE, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVB, C_TLS_LE, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVBU, C_TLS_LE, C_NONE, C_NONE, C_REG, C_NONE, 54, 16, 0, 0},
{AMOVW, C_SECON, C_NONE, C_NONE, C_REG, C_NONE, 3, 4, 0, 0},
{AMOVV, C_SECON, C_NONE, C_NONE, C_REG, C_NONE, 3, 4, 0, 0},
@ -334,6 +334,18 @@ var optab = []Optab{
{AMOVW, C_ADDCON, C_NONE, C_NONE, C_FREG, C_NONE, 34, 8, 0, 0},
{AMOVW, C_ANDCON, C_NONE, C_NONE, C_FREG, C_NONE, 34, 8, 0, 0},
{AMOVB, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVW, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVV, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVBU, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVWU, C_REG, C_NONE, C_NONE, C_TLS_IE, C_NONE, 56, 16, 0, 0},
{AMOVB, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
{AMOVW, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
{AMOVV, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
{AMOVBU, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
{AMOVWU, C_TLS_IE, C_NONE, C_NONE, C_REG, C_NONE, 57, 16, 0, 0},
{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},
@ -621,7 +633,11 @@ func (c *ctxt0) aclass(a *obj.Addr) int {
c.instoffset = a.Offset
if a.Sym != nil { // use relocation
if a.Sym.Type == objabi.STLSBSS {
return C_TLS
if c.ctxt.Flag_shared {
return C_TLS_IE
} else {
return C_TLS_LE
}
}
return C_ADDR
}
@ -1689,6 +1705,42 @@ func (c *ctxt0) asmout(p *obj.Prog, o *Optab, out []uint32) {
rel2.Type = objabi.R_ADDRLOONG64TLS
o3 = OP_RRR(c.oprrr(AADDV), uint32(REG_R2), uint32(REGTMP), uint32(p.To.Reg))
case 56: // mov r, tlsvar IE model ==> (pcalau12i + ld.d)tlsvar@got + add.d + st.d
o1 = OP_IR(c.opir(APCALAU12I), uint32(0), uint32(REGTMP))
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 4
rel.Sym = p.To.Sym
rel.Add = 0x0
rel.Type = objabi.R_LOONG64_TLS_IE_PCREL_HI
o2 = OP_12IRR(c.opirr(-p.As), uint32(0), uint32(REGTMP), uint32(REGTMP))
rel2 := obj.Addrel(c.cursym)
rel2.Off = int32(c.pc + 4)
rel2.Siz = 4
rel2.Sym = p.To.Sym
rel2.Add = 0x0
rel2.Type = objabi.R_LOONG64_TLS_IE_LO
o3 = OP_RRR(c.oprrr(AADDVU), uint32(REGTMP), uint32(REG_R2), uint32(REGTMP))
o4 = OP_12IRR(c.opirr(p.As), uint32(0), uint32(REGTMP), uint32(p.From.Reg))
case 57: // mov tlsvar, r IE model ==> (pcalau12i + ld.d)tlsvar@got + add.d + ld.d
o1 = OP_IR(c.opir(APCALAU12I), uint32(0), uint32(REGTMP))
rel := obj.Addrel(c.cursym)
rel.Off = int32(c.pc)
rel.Siz = 4
rel.Sym = p.From.Sym
rel.Add = 0x0
rel.Type = objabi.R_LOONG64_TLS_IE_PCREL_HI
o2 = OP_12IRR(c.opirr(-p.As), uint32(0), uint32(REGTMP), uint32(REGTMP))
rel2 := obj.Addrel(c.cursym)
rel2.Off = int32(c.pc + 4)
rel2.Siz = 4
rel2.Sym = p.From.Sym
rel2.Add = 0x0
rel2.Type = objabi.R_LOONG64_TLS_IE_LO
o3 = OP_RRR(c.oprrr(AADDVU), uint32(REGTMP), uint32(REG_R2), uint32(REGTMP))
o4 = OP_12IRR(c.opirr(-p.As), uint32(0), uint32(REGTMP), uint32(p.To.Reg))
case 59: // mov $dcon,r
// NOTE: this case does not use REGTMP. If it ever does,
// remove the NOTUSETMP flag in optab.