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cmd/internal/obj, cmd/link, runtime: native-ish support for tls on arm64 

Fixes #10560

Change-Id: Iedffd9c236c4fbb386c3afc52c5a1457f96ef122
Reviewed-on: https://go-review.googlesource.com/13991
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Michael Hudson-Doyle 2015-08-11 14:10:03 +12:00
parent 492a62e945
commit 72180c3b82
8 changed files with 342 additions and 291 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/cmd/internal/obj/arm64/a.out.go
View File

@ -321,6 +321,7 @@ const (
C_LOREG
C_ADDR // TODO(aram): explain difference from C_VCONADDR
C_TLS // TLS var, i.e. memory address containing offset for the var
C_ROFF // register offset (including register extended)
C_GOK

1
src/cmd/internal/obj/arm64/anames7.go
View File

@ -55,6 +55,7 @@ var cnames7 = []string{
"UOREG64K",
"LOREG",
"ADDR",
"TLS",
"ROFF",
"GOK",
"TEXTSIZE",

16
src/cmd/internal/obj/arm64/asm7.go
View File

@ -270,6 +270,7 @@ var optab = []Optab{
{AMOVH, C_ADDR, C_NONE, C_REG, 65, 12, 0, 0, 0},
{AMOVW, C_ADDR, C_NONE, C_REG, 65, 12, 0, 0, 0},
{AMOVD, C_ADDR, C_NONE, C_REG, 65, 12, 0, 0, 0},
{AMOVD, C_TLS, C_NONE, C_REG, 69, 4, 0, 0, 0},
{AMUL, C_REG, C_REG, C_REG, 15, 4, 0, 0, 0},
{AMUL, C_REG, C_NONE, C_REG, 15, 4, 0, 0, 0},
{AMADD, C_REG, C_REG, C_REG, 15, 4, 0, 0, 0},
@ -968,6 +969,9 @@ func aclass(ctxt *obj.Link, a *obj.Addr) int {
}
ctxt.Instoffset = a.Offset
if a.Sym != nil { // use relocation
if a.Sym.Type == obj.STLSBSS {
return C_TLS
}
return C_ADDR
}
return C_LEXT
@ -2753,6 +2757,18 @@ func asmout(ctxt *obj.Link, p *obj.Prog, o *Optab, out []uint32) {
rel.Add = p.From.Offset
rel.Type = obj.R_ADDRARM64
case 69: /* movd $tlsvar, reg -> movz reg, 0 + reloc */
o1 = opirr(ctxt, AMOVZ)
o1 |= uint32(p.To.Reg & 31)
rel := obj.Addrel(ctxt.Cursym)
rel.Off = int32(ctxt.Pc)
rel.Siz = 4
rel.Sym = p.From.Sym
rel.Type = obj.R_ARM64_TLS_LE
if p.From.Offset != 0 {
ctxt.Diag("invalid offset on MOVW $tlsvar")
}
// This is supposed to be something that stops execution.
// It's not supposed to be reached, ever, but if it is, we'd
// like to be able to tell how we got there. Assemble as

14
src/cmd/internal/obj/link.go
View File

@ -432,6 +432,20 @@ const (
R_USEFIELD
R_POWER_TOC
R_GOTPCREL
// Platform dependent relocations. Architectures with fixed width instructions
// have the inherent issue that a 32-bit (or 64-bit!) displacement cannot be
// stuffed into a 32-bit instruction, so an address needs to be spread across
// several instructions, and in turn this requires a sequence of relocations, each
// updating a part of an instruction. This leads to relocation codes that are
// inherently processor specific.
// Arm64.
// Set a MOV[NZ] immediate field to bits [15:0] of the offset from the thread
// local base to the thread local variable defined by the referenced (thread
// local) symbol. Error if the offset does not fit into 16 bits.
R_ARM64_TLS_LE
)
type Auto struct {

20
src/cmd/link/internal/arm64/asm.go
View File

@ -73,6 +73,9 @@ func elfreloc1(r *ld.Reloc, sectoff int64) int {
ld.Thearch.Vput(uint64(sectoff + 4))
ld.Thearch.Vput(ld.R_AARCH64_ADD_ABS_LO12_NC | uint64(elfsym)<<32)
case obj.R_ARM64_TLS_LE:
ld.Thearch.Vput(ld.R_AARCH64_TLSLE_MOVW_TPREL_G0 | uint64(elfsym)<<32)
case obj.R_CALLARM64:
if r.Siz != 4 {
return -1
@ -225,7 +228,8 @@ func archreloc(r *ld.Reloc, s *ld.LSym, val *int64) int {
return 0
case obj.R_CALLARM64:
case obj.R_CALLARM64,
obj.R_ARM64_TLS_LE:
r.Done = 0
r.Xsym = r.Sym
r.Xadd = r.Add
@ -269,6 +273,20 @@ func archreloc(r *ld.Reloc, s *ld.LSym, val *int64) int {
}
return 0
case obj.R_ARM64_TLS_LE:
r.Done = 0
if ld.HEADTYPE != obj.Hlinux {
ld.Diag("TLS reloc on unsupported OS %s", ld.Headstr(int(ld.HEADTYPE)))
}
// The TCB is two pointers. This is not documented anywhere, but is
// de facto part of the ABI.
v := r.Sym.Value + int64(2*ld.Thearch.Ptrsize)
if v < 0 || v >= 32678 {
ld.Diag("TLS offset out of range %d", v)
}
*val |= v << 5
return 0
case obj.R_CALLARM64:
t := (ld.Symaddr(r.Sym) + r.Add) - (s.Value + int64(r.Off))
if t >= 1<<27 || t < -1<<27 {

567
src/cmd/link/internal/ld/elf.go
View File

@ -325,285 +325,294 @@ const (
* Relocation types.
*/
const (
R_X86_64_NONE = 0
R_X86_64_64 = 1
R_X86_64_PC32 = 2
R_X86_64_GOT32 = 3
R_X86_64_PLT32 = 4
R_X86_64_COPY = 5
R_X86_64_GLOB_DAT = 6
R_X86_64_JMP_SLOT = 7
R_X86_64_RELATIVE = 8
R_X86_64_GOTPCREL = 9
R_X86_64_32 = 10
R_X86_64_32S = 11
R_X86_64_16 = 12
R_X86_64_PC16 = 13
R_X86_64_8 = 14
R_X86_64_PC8 = 15
R_X86_64_DTPMOD64 = 16
R_X86_64_DTPOFF64 = 17
R_X86_64_TPOFF64 = 18
R_X86_64_TLSGD = 19
R_X86_64_TLSLD = 20
R_X86_64_DTPOFF32 = 21
R_X86_64_GOTTPOFF = 22
R_X86_64_TPOFF32 = 23
R_X86_64_COUNT = 24
R_AARCH64_ABS64 = 257
R_AARCH64_ABS32 = 258
R_AARCH64_CALL26 = 283
R_AARCH64_ADR_PREL_PG_HI21 = 275
R_AARCH64_ADD_ABS_LO12_NC = 277
R_ALPHA_NONE = 0
R_ALPHA_REFLONG = 1
R_ALPHA_REFQUAD = 2
R_ALPHA_GPREL32 = 3
R_ALPHA_LITERAL = 4
R_ALPHA_LITUSE = 5
R_ALPHA_GPDISP = 6
R_ALPHA_BRADDR = 7
R_ALPHA_HINT = 8
R_ALPHA_SREL16 = 9
R_ALPHA_SREL32 = 10
R_ALPHA_SREL64 = 11
R_ALPHA_OP_PUSH = 12
R_ALPHA_OP_STORE = 13
R_ALPHA_OP_PSUB = 14
R_ALPHA_OP_PRSHIFT = 15
R_ALPHA_GPVALUE = 16
R_ALPHA_GPRELHIGH = 17
R_ALPHA_GPRELLOW = 18
R_ALPHA_IMMED_GP_16 = 19
R_ALPHA_IMMED_GP_HI32 = 20
R_ALPHA_IMMED_SCN_HI32 = 21
R_ALPHA_IMMED_BR_HI32 = 22
R_ALPHA_IMMED_LO32 = 23
R_ALPHA_COPY = 24
R_ALPHA_GLOB_DAT = 25
R_ALPHA_JMP_SLOT = 26
R_ALPHA_RELATIVE = 27
R_ALPHA_COUNT = 28
R_ARM_NONE = 0
R_ARM_PC24 = 1
R_ARM_ABS32 = 2
R_ARM_REL32 = 3
R_ARM_PC13 = 4
R_ARM_ABS16 = 5
R_ARM_ABS12 = 6
R_ARM_THM_ABS5 = 7
R_ARM_ABS8 = 8
R_ARM_SBREL32 = 9
R_ARM_THM_PC22 = 10
R_ARM_THM_PC8 = 11
R_ARM_AMP_VCALL9 = 12
R_ARM_SWI24 = 13
R_ARM_THM_SWI8 = 14
R_ARM_XPC25 = 15
R_ARM_THM_XPC22 = 16
R_ARM_COPY = 20
R_ARM_GLOB_DAT = 21
R_ARM_JUMP_SLOT = 22
R_ARM_RELATIVE = 23
R_ARM_GOTOFF = 24
R_ARM_GOTPC = 25
R_ARM_GOT32 = 26
R_ARM_PLT32 = 27
R_ARM_CALL = 28
R_ARM_JUMP24 = 29
R_ARM_V4BX = 40
R_ARM_GOT_PREL = 96
R_ARM_GNU_VTENTRY = 100
R_ARM_GNU_VTINHERIT = 101
R_ARM_TLS_IE32 = 107
R_ARM_TLS_LE32 = 108
R_ARM_RSBREL32 = 250
R_ARM_THM_RPC22 = 251
R_ARM_RREL32 = 252
R_ARM_RABS32 = 253
R_ARM_RPC24 = 254
R_ARM_RBASE = 255
R_ARM_COUNT = 38
R_386_NONE = 0
R_386_32 = 1
R_386_PC32 = 2
R_386_GOT32 = 3
R_386_PLT32 = 4
R_386_COPY = 5
R_386_GLOB_DAT = 6
R_386_JMP_SLOT = 7
R_386_RELATIVE = 8
R_386_GOTOFF = 9
R_386_GOTPC = 10
R_386_TLS_TPOFF = 14
R_386_TLS_IE = 15
R_386_TLS_GOTIE = 16
R_386_TLS_LE = 17
R_386_TLS_GD = 18
R_386_TLS_LDM = 19
R_386_TLS_GD_32 = 24
R_386_TLS_GD_PUSH = 25
R_386_TLS_GD_CALL = 26
R_386_TLS_GD_POP = 27
R_386_TLS_LDM_32 = 28
R_386_TLS_LDM_PUSH = 29
R_386_TLS_LDM_CALL = 30
R_386_TLS_LDM_POP = 31
R_386_TLS_LDO_32 = 32
R_386_TLS_IE_32 = 33
R_386_TLS_LE_32 = 34
R_386_TLS_DTPMOD32 = 35
R_386_TLS_DTPOFF32 = 36
R_386_TLS_TPOFF32 = 37
R_386_COUNT = 38
R_PPC_NONE = 0
R_PPC_ADDR32 = 1
R_PPC_ADDR24 = 2
R_PPC_ADDR16 = 3
R_PPC_ADDR16_LO = 4
R_PPC_ADDR16_HI = 5
R_PPC_ADDR16_HA = 6
R_PPC_ADDR14 = 7
R_PPC_ADDR14_BRTAKEN = 8
R_PPC_ADDR14_BRNTAKEN = 9
R_PPC_REL24 = 10
R_PPC_REL14 = 11
R_PPC_REL14_BRTAKEN = 12
R_PPC_REL14_BRNTAKEN = 13
R_PPC_GOT16 = 14
R_PPC_GOT16_LO = 15
R_PPC_GOT16_HI = 16
R_PPC_GOT16_HA = 17
R_PPC_PLTREL24 = 18
R_PPC_COPY = 19
R_PPC_GLOB_DAT = 20
R_PPC_JMP_SLOT = 21
R_PPC_RELATIVE = 22
R_PPC_LOCAL24PC = 23
R_PPC_UADDR32 = 24
R_PPC_UADDR16 = 25
R_PPC_REL32 = 26
R_PPC_PLT32 = 27
R_PPC_PLTREL32 = 28
R_PPC_PLT16_LO = 29
R_PPC_PLT16_HI = 30
R_PPC_PLT16_HA = 31
R_PPC_SDAREL16 = 32
R_PPC_SECTOFF = 33
R_PPC_SECTOFF_LO = 34
R_PPC_SECTOFF_HI = 35
R_PPC_SECTOFF_HA = 36
R_PPC_COUNT = 37
R_PPC_TLS = 67
R_PPC_DTPMOD32 = 68
R_PPC_TPREL16 = 69
R_PPC_TPREL16_LO = 70
R_PPC_TPREL16_HI = 71
R_PPC_TPREL16_HA = 72
R_PPC_TPREL32 = 73
R_PPC_DTPREL16 = 74
R_PPC_DTPREL16_LO = 75
R_PPC_DTPREL16_HI = 76
R_PPC_DTPREL16_HA = 77
R_PPC_DTPREL32 = 78
R_PPC_GOT_TLSGD16 = 79
R_PPC_GOT_TLSGD16_LO = 80
R_PPC_GOT_TLSGD16_HI = 81
R_PPC_GOT_TLSGD16_HA = 82
R_PPC_GOT_TLSLD16 = 83
R_PPC_GOT_TLSLD16_LO = 84
R_PPC_GOT_TLSLD16_HI = 85
R_PPC_GOT_TLSLD16_HA = 86
R_PPC_GOT_TPREL16 = 87
R_PPC_GOT_TPREL16_LO = 88
R_PPC_GOT_TPREL16_HI = 89
R_PPC_GOT_TPREL16_HA = 90
R_PPC_EMB_NADDR32 = 101
R_PPC_EMB_NADDR16 = 102
R_PPC_EMB_NADDR16_LO = 103
R_PPC_EMB_NADDR16_HI = 104
R_PPC_EMB_NADDR16_HA = 105
R_PPC_EMB_SDAI16 = 106
R_PPC_EMB_SDA2I16 = 107
R_PPC_EMB_SDA2REL = 108
R_PPC_EMB_SDA21 = 109
R_PPC_EMB_MRKREF = 110
R_PPC_EMB_RELSEC16 = 111
R_PPC_EMB_RELST_LO = 112
R_PPC_EMB_RELST_HI = 113
R_PPC_EMB_RELST_HA = 114
R_PPC_EMB_BIT_FLD = 115
R_PPC_EMB_RELSDA = 116
R_PPC_EMB_COUNT = R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1
R_PPC64_REL24 = R_PPC_REL24
R_PPC64_JMP_SLOT = R_PPC_JMP_SLOT
R_PPC64_ADDR64 = 38
R_PPC64_TOC16 = 47
R_PPC64_TOC16_LO = 48
R_PPC64_TOC16_HI = 49
R_PPC64_TOC16_HA = 50
R_PPC64_TOC16_DS = 63
R_PPC64_TOC16_LO_DS = 64
R_PPC64_REL16_LO = 250
R_PPC64_REL16_HI = 251
R_PPC64_REL16_HA = 252
R_SPARC_NONE = 0
R_SPARC_8 = 1
R_SPARC_16 = 2
R_SPARC_32 = 3
R_SPARC_DISP8 = 4
R_SPARC_DISP16 = 5
R_SPARC_DISP32 = 6
R_SPARC_WDISP30 = 7
R_SPARC_WDISP22 = 8
R_SPARC_HI22 = 9
R_SPARC_22 = 10
R_SPARC_13 = 11
R_SPARC_LO10 = 12
R_SPARC_GOT10 = 13
R_SPARC_GOT13 = 14
R_SPARC_GOT22 = 15
R_SPARC_PC10 = 16
R_SPARC_PC22 = 17
R_SPARC_WPLT30 = 18
R_SPARC_COPY = 19
R_SPARC_GLOB_DAT = 20
R_SPARC_JMP_SLOT = 21
R_SPARC_RELATIVE = 22
R_SPARC_UA32 = 23
R_SPARC_PLT32 = 24
R_SPARC_HIPLT22 = 25
R_SPARC_LOPLT10 = 26
R_SPARC_PCPLT32 = 27
R_SPARC_PCPLT22 = 28
R_SPARC_PCPLT10 = 29
R_SPARC_10 = 30
R_SPARC_11 = 31
R_SPARC_64 = 32
R_SPARC_OLO10 = 33
R_SPARC_HH22 = 34
R_SPARC_HM10 = 35
R_SPARC_LM22 = 36
R_SPARC_PC_HH22 = 37
R_SPARC_PC_HM10 = 38
R_SPARC_PC_LM22 = 39
R_SPARC_WDISP16 = 40
R_SPARC_WDISP19 = 41
R_SPARC_GLOB_JMP = 42
R_SPARC_7 = 43
R_SPARC_5 = 44
R_SPARC_6 = 45
R_SPARC_DISP64 = 46
R_SPARC_PLT64 = 47
R_SPARC_HIX22 = 48
R_SPARC_LOX10 = 49
R_SPARC_H44 = 50
R_SPARC_M44 = 51
R_SPARC_L44 = 52
R_SPARC_REGISTER = 53
R_SPARC_UA64 = 54
R_SPARC_UA16 = 55
ARM_MAGIC_TRAMP_NUMBER = 0x5c000003
R_X86_64_NONE = 0
R_X86_64_64 = 1
R_X86_64_PC32 = 2
R_X86_64_GOT32 = 3
R_X86_64_PLT32 = 4
R_X86_64_COPY = 5
R_X86_64_GLOB_DAT = 6
R_X86_64_JMP_SLOT = 7
R_X86_64_RELATIVE = 8
R_X86_64_GOTPCREL = 9
R_X86_64_32 = 10
R_X86_64_32S = 11
R_X86_64_16 = 12
R_X86_64_PC16 = 13
R_X86_64_8 = 14
R_X86_64_PC8 = 15
R_X86_64_DTPMOD64 = 16
R_X86_64_DTPOFF64 = 17
R_X86_64_TPOFF64 = 18
R_X86_64_TLSGD = 19
R_X86_64_TLSLD = 20
R_X86_64_DTPOFF32 = 21
R_X86_64_GOTTPOFF = 22
R_X86_64_TPOFF32 = 23
R_X86_64_COUNT = 24
R_AARCH64_ABS64 = 257
R_AARCH64_ABS32 = 258
R_AARCH64_CALL26 = 283
R_AARCH64_ADR_PREL_PG_HI21 = 275
R_AARCH64_ADD_ABS_LO12_NC = 277
R_AARCH64_TLSLE_MOVW_TPREL_G0 = 547
R_ALPHA_NONE = 0
R_ALPHA_REFLONG = 1
R_ALPHA_REFQUAD = 2
R_ALPHA_GPREL32 = 3
R_ALPHA_LITERAL = 4
R_ALPHA_LITUSE = 5
R_ALPHA_GPDISP = 6
R_ALPHA_BRADDR = 7
R_ALPHA_HINT = 8
R_ALPHA_SREL16 = 9
R_ALPHA_SREL32 = 10
R_ALPHA_SREL64 = 11
R_ALPHA_OP_PUSH = 12
R_ALPHA_OP_STORE = 13
R_ALPHA_OP_PSUB = 14
R_ALPHA_OP_PRSHIFT = 15
R_ALPHA_GPVALUE = 16
R_ALPHA_GPRELHIGH = 17
R_ALPHA_GPRELLOW = 18
R_ALPHA_IMMED_GP_16 = 19
R_ALPHA_IMMED_GP_HI32 = 20
R_ALPHA_IMMED_SCN_HI32 = 21
R_ALPHA_IMMED_BR_HI32 = 22
R_ALPHA_IMMED_LO32 = 23
R_ALPHA_COPY = 24
R_ALPHA_GLOB_DAT = 25
R_ALPHA_JMP_SLOT = 26
R_ALPHA_RELATIVE = 27
R_ALPHA_COUNT = 28
R_ARM_NONE = 0
R_ARM_PC24 = 1
R_ARM_ABS32 = 2
R_ARM_REL32 = 3
R_ARM_PC13 = 4
R_ARM_ABS16 = 5
R_ARM_ABS12 = 6
R_ARM_THM_ABS5 = 7
R_ARM_ABS8 = 8
R_ARM_SBREL32 = 9
R_ARM_THM_PC22 = 10
R_ARM_THM_PC8 = 11
R_ARM_AMP_VCALL9 = 12
R_ARM_SWI24 = 13
R_ARM_THM_SWI8 = 14
R_ARM_XPC25 = 15
R_ARM_THM_XPC22 = 16
R_ARM_COPY = 20
R_ARM_GLOB_DAT = 21
R_ARM_JUMP_SLOT = 22
R_ARM_RELATIVE = 23
R_ARM_GOTOFF = 24
R_ARM_GOTPC = 25
R_ARM_GOT32 = 26
R_ARM_PLT32 = 27
R_ARM_CALL = 28
R_ARM_JUMP24 = 29
R_ARM_V4BX = 40
R_ARM_GOT_PREL = 96
R_ARM_GNU_VTENTRY = 100
R_ARM_GNU_VTINHERIT = 101
R_ARM_TLS_IE32 = 107
R_ARM_TLS_LE32 = 108
R_ARM_RSBREL32 = 250
R_ARM_THM_RPC22 = 251
R_ARM_RREL32 = 252
R_ARM_RABS32 = 253
R_ARM_RPC24 = 254
R_ARM_RBASE = 255
R_ARM_COUNT = 38
R_386_NONE = 0
R_386_32 = 1
R_386_PC32 = 2
R_386_GOT32 = 3
R_386_PLT32 = 4
R_386_COPY = 5
R_386_GLOB_DAT = 6
R_386_JMP_SLOT = 7
R_386_RELATIVE = 8
R_386_GOTOFF = 9
R_386_GOTPC = 10
R_386_TLS_TPOFF = 14
R_386_TLS_IE = 15
R_386_TLS_GOTIE = 16
R_386_TLS_LE = 17
R_386_TLS_GD = 18
R_386_TLS_LDM = 19
R_386_TLS_GD_32 = 24
R_386_TLS_GD_PUSH = 25
R_386_TLS_GD_CALL = 26
R_386_TLS_GD_POP = 27
R_386_TLS_LDM_32 = 28
R_386_TLS_LDM_PUSH = 29
R_386_TLS_LDM_CALL = 30
R_386_TLS_LDM_POP = 31
R_386_TLS_LDO_32 = 32
R_386_TLS_IE_32 = 33
R_386_TLS_LE_32 = 34
R_386_TLS_DTPMOD32 = 35
R_386_TLS_DTPOFF32 = 36
R_386_TLS_TPOFF32 = 37
R_386_COUNT = 38
R_PPC_NONE = 0
R_PPC_ADDR32 = 1
R_PPC_ADDR24 = 2
R_PPC_ADDR16 = 3
R_PPC_ADDR16_LO = 4
R_PPC_ADDR16_HI = 5
R_PPC_ADDR16_HA = 6
R_PPC_ADDR14 = 7
R_PPC_ADDR14_BRTAKEN = 8
R_PPC_ADDR14_BRNTAKEN = 9
R_PPC_REL24 = 10
R_PPC_REL14 = 11
R_PPC_REL14_BRTAKEN = 12
R_PPC_REL14_BRNTAKEN = 13
R_PPC_GOT16 = 14
R_PPC_GOT16_LO = 15
R_PPC_GOT16_HI = 16
R_PPC_GOT16_HA = 17
R_PPC_PLTREL24 = 18
R_PPC_COPY = 19
R_PPC_GLOB_DAT = 20
R_PPC_JMP_SLOT = 21
R_PPC_RELATIVE = 22
R_PPC_LOCAL24PC = 23
R_PPC_UADDR32 = 24
R_PPC_UADDR16 = 25
R_PPC_REL32 = 26
R_PPC_PLT32 = 27
R_PPC_PLTREL32 = 28
R_PPC_PLT16_LO = 29
R_PPC_PLT16_HI = 30
R_PPC_PLT16_HA = 31
R_PPC_SDAREL16 = 32
R_PPC_SECTOFF = 33
R_PPC_SECTOFF_LO = 34
R_PPC_SECTOFF_HI = 35
R_PPC_SECTOFF_HA = 36
R_PPC_COUNT = 37
R_PPC_TLS = 67
R_PPC_DTPMOD32 = 68
R_PPC_TPREL16 = 69
R_PPC_TPREL16_LO = 70
R_PPC_TPREL16_HI = 71
R_PPC_TPREL16_HA = 72
R_PPC_TPREL32 = 73
R_PPC_DTPREL16 = 74
R_PPC_DTPREL16_LO = 75
R_PPC_DTPREL16_HI = 76
R_PPC_DTPREL16_HA = 77
R_PPC_DTPREL32 = 78
R_PPC_GOT_TLSGD16 = 79
R_PPC_GOT_TLSGD16_LO = 80
R_PPC_GOT_TLSGD16_HI = 81
R_PPC_GOT_TLSGD16_HA = 82
R_PPC_GOT_TLSLD16 = 83
R_PPC_GOT_TLSLD16_LO = 84
R_PPC_GOT_TLSLD16_HI = 85
R_PPC_GOT_TLSLD16_HA = 86
R_PPC_GOT_TPREL16 = 87
R_PPC_GOT_TPREL16_LO = 88
R_PPC_GOT_TPREL16_HI = 89
R_PPC_GOT_TPREL16_HA = 90
R_PPC_EMB_NADDR32 = 101
R_PPC_EMB_NADDR16 = 102
R_PPC_EMB_NADDR16_LO = 103
R_PPC_EMB_NADDR16_HI = 104
R_PPC_EMB_NADDR16_HA = 105
R_PPC_EMB_SDAI16 = 106
R_PPC_EMB_SDA2I16 = 107
R_PPC_EMB_SDA2REL = 108
R_PPC_EMB_SDA21 = 109
R_PPC_EMB_MRKREF = 110
R_PPC_EMB_RELSEC16 = 111
R_PPC_EMB_RELST_LO = 112
R_PPC_EMB_RELST_HI = 113
R_PPC_EMB_RELST_HA = 114
R_PPC_EMB_BIT_FLD = 115
R_PPC_EMB_RELSDA = 116
R_PPC_EMB_COUNT = R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1
R_PPC64_REL24 = R_PPC_REL24
R_PPC64_JMP_SLOT = R_PPC_JMP_SLOT
R_PPC64_ADDR64 = 38
R_PPC64_TOC16 = 47
R_PPC64_TOC16_LO = 48
R_PPC64_TOC16_HI = 49
R_PPC64_TOC16_HA = 50
R_PPC64_TOC16_DS = 63
R_PPC64_TOC16_LO_DS = 64
R_PPC64_REL16_LO = 250
R_PPC64_REL16_HI = 251
R_PPC64_REL16_HA = 252
R_SPARC_NONE = 0
R_SPARC_8 = 1
R_SPARC_16 = 2
R_SPARC_32 = 3
R_SPARC_DISP8 = 4
R_SPARC_DISP16 = 5
R_SPARC_DISP32 = 6
R_SPARC_WDISP30 = 7
R_SPARC_WDISP22 = 8
R_SPARC_HI22 = 9
R_SPARC_22 = 10
R_SPARC_13 = 11
R_SPARC_LO10 = 12
R_SPARC_GOT10 = 13
R_SPARC_GOT13 = 14
R_SPARC_GOT22 = 15
R_SPARC_PC10 = 16
R_SPARC_PC22 = 17
R_SPARC_WPLT30 = 18
R_SPARC_COPY = 19
R_SPARC_GLOB_DAT = 20
R_SPARC_JMP_SLOT = 21
R_SPARC_RELATIVE = 22
R_SPARC_UA32 = 23
R_SPARC_PLT32 = 24
R_SPARC_HIPLT22 = 25
R_SPARC_LOPLT10 = 26
R_SPARC_PCPLT32 = 27
R_SPARC_PCPLT22 = 28
R_SPARC_PCPLT10 = 29
R_SPARC_10 = 30
R_SPARC_11 = 31
R_SPARC_64 = 32
R_SPARC_OLO10 = 33
R_SPARC_HH22 = 34
R_SPARC_HM10 = 35
R_SPARC_LM22 = 36
R_SPARC_PC_HH22 = 37
R_SPARC_PC_HM10 = 38
R_SPARC_PC_LM22 = 39
R_SPARC_WDISP16 = 40
R_SPARC_WDISP19 = 41
R_SPARC_GLOB_JMP = 42
R_SPARC_7 = 43
R_SPARC_5 = 44
R_SPARC_6 = 45
R_SPARC_DISP64 = 46
R_SPARC_PLT64 = 47
R_SPARC_HIX22 = 48
R_SPARC_LOX10 = 49
R_SPARC_H44 = 50
R_SPARC_M44 = 51
R_SPARC_L44 = 52
R_SPARC_REGISTER = 53
R_SPARC_UA64 = 54
R_SPARC_UA16 = 55
ARM_MAGIC_TRAMP_NUMBER = 0x5c000003
)
/*

2
src/runtime/asm_arm64.s
View File

@ -38,7 +38,7 @@ TEXT runtime·rt0_go(SB),NOSPLIT,$0
#ifdef TLSG_IS_VARIABLE
MOVD $runtime·tls_g(SB), R2 // arg 2: &tls_g
#else
MOVD 0, R2 // arg 2: not used when using platform's TLS
MOVD $0, R2 // arg 2: not used when using platform's TLS
#endif
MOVD $setg_gcc<>(SB), R1 // arg 1: setg
MOVD g, R0 // arg 0: G

12
src/runtime/tls_arm64.s
View File

@ -18,13 +18,8 @@ TEXT runtime·load_g(SB),NOSPLIT,$0
// Darwin sometimes returns unaligned pointers
AND $0xfffffffffffffff8, R0
#endif
#ifdef TLSG_IS_VARIABLE
MOVD runtime·tls_g(SB), R27
ADD R27, R0
#else
// TODO(minux): use real TLS relocation, instead of hard-code for Linux
ADD $0x10, R0
#endif
MOVD 0(R0), g
nocgo:
@ -40,13 +35,8 @@ TEXT runtime·save_g(SB),NOSPLIT,$0
// Darwin sometimes returns unaligned pointers
AND $0xfffffffffffffff8, R0
#endif
#ifdef TLSG_IS_VARIABLE
MOVD runtime·tls_g(SB), R27
ADD R27, R0
#else
// TODO(minux): use real TLS relocation, instead of hard-code for Linux
ADD $0x10, R0
#endif
MOVD g, 0(R0)
nocgo:
@ -54,4 +44,6 @@ nocgo:
#ifdef TLSG_IS_VARIABLE
GLOBL runtime·tls_g+0(SB), NOPTR, $8
#else
GLOBL runtime·tls_g+0(SB), TLSBSS, $8
#endif