objabi.R_CALLLOONG64,
objabi.R_CALLPOWER,
objabi.R_GOTPCREL,
- objabi.R_LOONG64_ADDR_LO, // used with PC-relative load
- objabi.R_LOONG64_ADDR_HI, // used with PC-relative load
+ objabi.R_LOONG64_ADDR_LO, // used with PC-relative load
+ objabi.R_LOONG64_ADDR_HI, // used with PC-relative load
+ objabi.R_LOONG64_ADDR_PCREL20_S2, // used with PC-relative load
+ objabi.R_LOONG64_CALL36,
objabi.R_LOONG64_TLS_LE_HI,
objabi.R_LOONG64_TLS_LE_LO,
objabi.R_LOONG64_TLS_IE_HI,
R_LOONG64_ADDR_HI
R_LOONG64_ADDR_LO
+ // R_LOONG64_ADDR_PCREL20_S2 resolves to the 22-bit, 4-byte aligned offset of an
+ // external address, by encoding it into a PCADDI instruction.
+ R_LOONG64_ADDR_PCREL20_S2
+
// R_LOONG64_TLS_LE_HI resolves to the high 20 bits of a TLS address (offset from
// thread pointer), by encoding it into the instruction.
// R_LOONG64_TLS_LE_LO resolves to the low 12 bits of a TLS address (offset from
R_LOONG64_TLS_LE_HI
R_LOONG64_TLS_LE_LO
- // R_CALLLOONG64 resolves to non-PC-relative target address of a CALL (BL/JIRL)
- // instruction, by encoding the address into the instruction.
+ // R_CALLLOONG64 resolves to the 28-bit 4-byte aligned PC-relative target
+ // address of a BL instruction, by encoding it into the instruction.
R_CALLLOONG64
+ // R_LOONG64_CALL36 resolves to the 38-bit 4-byte aligned PC-relative target
+ // address of a PCADDU18I + JIRL pair, by encoding it into the instructions.
+ R_LOONG64_CALL36
+
// R_LOONG64_TLS_IE_HI and R_LOONG64_TLS_IE_LO relocates a pcalau12i, ld.d
// pair to compute the address of the GOT slot of the tls symbol.
R_LOONG64_TLS_IE_HI
// 64-bit in-place subtraction.
R_LOONG64_SUB64
- // R_JMP16LOONG64 resolves to 18-bit PC-relative target address of a JMP instructions.
+ // R_JMP16LOONG64 resolves to the 18-bit 4-byte aligned PC-relative target
+ // address of a BEQ/BNE/BLT/BGE/BLTU/BGEU instruction, by encoding it into
+ // the instruction.
R_JMP16LOONG64
- // R_JMP21LOONG64 resolves to 23-bit PC-relative target address of a JMP instructions.
+ // R_JMP21LOONG64 resolves to the 23-bit 4-byte aligned PC-relative target
+ // address of a BEQZ/BNEZ instruction, by encoding it into the instruction.
R_JMP21LOONG64
- // R_JMPLOONG64 resolves to non-PC-relative target address of a JMP instruction,
- // by encoding the address into the instruction.
+ // R_JMPLOONG64 resolves to the 28-bit 4-byte aligned PC-relative target
+ // address of a B instruction, by encoding it into the instruction.
R_JMPLOONG64
// R_ADDRMIPSU (only used on mips/mips64) resolves to the sign-adjusted "upper" 16
_ = x[R_PCRELDBL-76]
_ = x[R_LOONG64_ADDR_HI-77]
_ = x[R_LOONG64_ADDR_LO-78]
- _ = x[R_LOONG64_TLS_LE_HI-79]
- _ = x[R_LOONG64_TLS_LE_LO-80]
- _ = x[R_CALLLOONG64-81]
- _ = x[R_LOONG64_TLS_IE_HI-82]
- _ = x[R_LOONG64_TLS_IE_LO-83]
- _ = x[R_LOONG64_GOT_HI-84]
- _ = x[R_LOONG64_GOT_LO-85]
- _ = x[R_LOONG64_ADD64-86]
- _ = x[R_LOONG64_SUB64-87]
- _ = x[R_JMP16LOONG64-88]
- _ = x[R_JMP21LOONG64-89]
- _ = x[R_JMPLOONG64-90]
- _ = x[R_ADDRMIPSU-91]
- _ = x[R_ADDRMIPSTLS-92]
- _ = x[R_ADDRCUOFF-93]
- _ = x[R_WASMIMPORT-94]
- _ = x[R_XCOFFREF-95]
- _ = x[R_PEIMAGEOFF-96]
- _ = x[R_INITORDER-97]
- _ = x[R_DWTXTADDR_U1-98]
- _ = x[R_DWTXTADDR_U2-99]
- _ = x[R_DWTXTADDR_U3-100]
- _ = x[R_DWTXTADDR_U4-101]
+ _ = x[R_LOONG64_ADDR_PCREL20_S2-79]
+ _ = x[R_LOONG64_TLS_LE_HI-80]
+ _ = x[R_LOONG64_TLS_LE_LO-81]
+ _ = x[R_CALLLOONG64-82]
+ _ = x[R_LOONG64_CALL36-83]
+ _ = x[R_LOONG64_TLS_IE_HI-84]
+ _ = x[R_LOONG64_TLS_IE_LO-85]
+ _ = x[R_LOONG64_GOT_HI-86]
+ _ = x[R_LOONG64_GOT_LO-87]
+ _ = x[R_LOONG64_ADD64-88]
+ _ = x[R_LOONG64_SUB64-89]
+ _ = x[R_JMP16LOONG64-90]
+ _ = x[R_JMP21LOONG64-91]
+ _ = x[R_JMPLOONG64-92]
+ _ = x[R_ADDRMIPSU-93]
+ _ = x[R_ADDRMIPSTLS-94]
+ _ = x[R_ADDRCUOFF-95]
+ _ = x[R_WASMIMPORT-96]
+ _ = x[R_XCOFFREF-97]
+ _ = x[R_PEIMAGEOFF-98]
+ _ = x[R_INITORDER-99]
+ _ = x[R_DWTXTADDR_U1-100]
+ _ = x[R_DWTXTADDR_U2-101]
+ _ = x[R_DWTXTADDR_U3-102]
+ _ = x[R_DWTXTADDR_U4-103]
}
-const _RelocType_name = "R_ADDRR_ADDRPOWERR_ADDRARM64R_ADDRMIPSR_ADDROFFR_SIZER_CALLR_CALLARMR_CALLARM64R_CALLINDR_CALLPOWERR_CALLMIPSR_CONSTR_PCRELR_TLS_LER_TLS_IER_GOTOFFR_PLT0R_PLT1R_PLT2R_USEFIELDR_USETYPER_USEIFACER_USEIFACEMETHODR_USENAMEDMETHODR_METHODOFFR_KEEPR_POWER_TOCR_GOTPCRELR_JMPMIPSR_DWARFSECREFR_ARM64_TLS_LER_ARM64_TLS_IER_ARM64_GOTPCRELR_ARM64_GOTR_ARM64_PCRELR_ARM64_PCREL_LDST8R_ARM64_PCREL_LDST16R_ARM64_PCREL_LDST32R_ARM64_PCREL_LDST64R_ARM64_LDST8R_ARM64_LDST16R_ARM64_LDST32R_ARM64_LDST64R_ARM64_LDST128R_POWER_TLS_LER_POWER_TLS_IER_POWER_TLSR_POWER_TLS_IE_PCREL34R_POWER_TLS_LE_TPREL34R_ADDRPOWER_DSR_ADDRPOWER_GOTR_ADDRPOWER_GOT_PCREL34R_ADDRPOWER_PCRELR_ADDRPOWER_TOCRELR_ADDRPOWER_TOCREL_DSR_ADDRPOWER_D34R_ADDRPOWER_PCREL34R_RISCV_JALR_RISCV_JAL_TRAMPR_RISCV_CALLR_RISCV_PCREL_ITYPER_RISCV_PCREL_STYPER_RISCV_TLS_IER_RISCV_TLS_LER_RISCV_GOT_HI20R_RISCV_GOT_PCREL_ITYPER_RISCV_PCREL_HI20R_RISCV_PCREL_LO12_IR_RISCV_PCREL_LO12_SR_RISCV_BRANCHR_RISCV_ADD32R_RISCV_SUB32R_RISCV_RVC_BRANCHR_RISCV_RVC_JUMPR_PCRELDBLR_LOONG64_ADDR_HIR_LOONG64_ADDR_LOR_LOONG64_TLS_LE_HIR_LOONG64_TLS_LE_LOR_CALLLOONG64R_LOONG64_TLS_IE_HIR_LOONG64_TLS_IE_LOR_LOONG64_GOT_HIR_LOONG64_GOT_LOR_LOONG64_ADD64R_LOONG64_SUB64R_JMP16LOONG64R_JMP21LOONG64R_JMPLOONG64R_ADDRMIPSUR_ADDRMIPSTLSR_ADDRCUOFFR_WASMIMPORTR_XCOFFREFR_PEIMAGEOFFR_INITORDERR_DWTXTADDR_U1R_DWTXTADDR_U2R_DWTXTADDR_U3R_DWTXTADDR_U4"
+const _RelocType_name = "R_ADDRR_ADDRPOWERR_ADDRARM64R_ADDRMIPSR_ADDROFFR_SIZER_CALLR_CALLARMR_CALLARM64R_CALLINDR_CALLPOWERR_CALLMIPSR_CONSTR_PCRELR_TLS_LER_TLS_IER_GOTOFFR_PLT0R_PLT1R_PLT2R_USEFIELDR_USETYPER_USEIFACER_USEIFACEMETHODR_USENAMEDMETHODR_METHODOFFR_KEEPR_POWER_TOCR_GOTPCRELR_JMPMIPSR_DWARFSECREFR_ARM64_TLS_LER_ARM64_TLS_IER_ARM64_GOTPCRELR_ARM64_GOTR_ARM64_PCRELR_ARM64_PCREL_LDST8R_ARM64_PCREL_LDST16R_ARM64_PCREL_LDST32R_ARM64_PCREL_LDST64R_ARM64_LDST8R_ARM64_LDST16R_ARM64_LDST32R_ARM64_LDST64R_ARM64_LDST128R_POWER_TLS_LER_POWER_TLS_IER_POWER_TLSR_POWER_TLS_IE_PCREL34R_POWER_TLS_LE_TPREL34R_ADDRPOWER_DSR_ADDRPOWER_GOTR_ADDRPOWER_GOT_PCREL34R_ADDRPOWER_PCRELR_ADDRPOWER_TOCRELR_ADDRPOWER_TOCREL_DSR_ADDRPOWER_D34R_ADDRPOWER_PCREL34R_RISCV_JALR_RISCV_JAL_TRAMPR_RISCV_CALLR_RISCV_PCREL_ITYPER_RISCV_PCREL_STYPER_RISCV_TLS_IER_RISCV_TLS_LER_RISCV_GOT_HI20R_RISCV_GOT_PCREL_ITYPER_RISCV_PCREL_HI20R_RISCV_PCREL_LO12_IR_RISCV_PCREL_LO12_SR_RISCV_BRANCHR_RISCV_ADD32R_RISCV_SUB32R_RISCV_RVC_BRANCHR_RISCV_RVC_JUMPR_PCRELDBLR_LOONG64_ADDR_HIR_LOONG64_ADDR_LOR_LOONG64_ADDR_PCREL20_S2R_LOONG64_TLS_LE_HIR_LOONG64_TLS_LE_LOR_CALLLOONG64R_LOONG64_CALL36R_LOONG64_TLS_IE_HIR_LOONG64_TLS_IE_LOR_LOONG64_GOT_HIR_LOONG64_GOT_LOR_LOONG64_ADD64R_LOONG64_SUB64R_JMP16LOONG64R_JMP21LOONG64R_JMPLOONG64R_ADDRMIPSUR_ADDRMIPSTLSR_ADDRCUOFFR_WASMIMPORTR_XCOFFREFR_PEIMAGEOFFR_INITORDERR_DWTXTADDR_U1R_DWTXTADDR_U2R_DWTXTADDR_U3R_DWTXTADDR_U4"
-var _RelocType_index = [...]uint16{0, 6, 17, 28, 38, 47, 53, 59, 68, 79, 88, 99, 109, 116, 123, 131, 139, 147, 153, 159, 165, 175, 184, 194, 210, 226, 237, 243, 254, 264, 273, 286, 300, 314, 330, 341, 354, 373, 393, 413, 433, 446, 460, 474, 488, 503, 517, 531, 542, 564, 586, 600, 615, 638, 655, 673, 694, 709, 728, 739, 756, 768, 787, 806, 820, 834, 850, 873, 891, 911, 931, 945, 958, 971, 989, 1005, 1015, 1032, 1049, 1068, 1087, 1100, 1119, 1138, 1154, 1170, 1185, 1200, 1214, 1228, 1240, 1251, 1264, 1275, 1287, 1297, 1309, 1320, 1334, 1348, 1362, 1376}
+var _RelocType_index = [...]uint16{0, 6, 17, 28, 38, 47, 53, 59, 68, 79, 88, 99, 109, 116, 123, 131, 139, 147, 153, 159, 165, 175, 184, 194, 210, 226, 237, 243, 254, 264, 273, 286, 300, 314, 330, 341, 354, 373, 393, 413, 433, 446, 460, 474, 488, 503, 517, 531, 542, 564, 586, 600, 615, 638, 655, 673, 694, 709, 728, 739, 756, 768, 787, 806, 820, 834, 850, 873, 891, 911, 931, 945, 958, 971, 989, 1005, 1015, 1032, 1049, 1074, 1093, 1112, 1125, 1141, 1160, 1179, 1195, 1211, 1226, 1241, 1255, 1269, 1281, 1292, 1305, 1316, 1328, 1338, 1350, 1361, 1375, 1389, 1403, 1417}
func (i RelocType) String() string {
i -= 1
LOONG64 | uint32(elf.R_LARCH_PCALA_LO12)<<16,
LOONG64 | uint32(elf.R_LARCH_GOT_PC_HI20)<<16,
LOONG64 | uint32(elf.R_LARCH_GOT_PC_LO12)<<16,
- LOONG64 | uint32(elf.R_LARCH_32_PCREL)<<16:
+ LOONG64 | uint32(elf.R_LARCH_32_PCREL)<<16,
+ LOONG64 | uint32(elf.R_LARCH_PCREL20_S2)<<16:
return 4, 4, nil
case LOONG64 | uint32(elf.R_LARCH_64)<<16,
LOONG64 | uint32(elf.R_LARCH_ADD64)<<16,
LOONG64 | uint32(elf.R_LARCH_SUB64)<<16,
- LOONG64 | uint32(elf.R_LARCH_64_PCREL)<<16:
+ LOONG64 | uint32(elf.R_LARCH_64_PCREL)<<16,
+ LOONG64 | uint32(elf.R_LARCH_CALL36)<<16:
return 8, 8, nil
case S390X | uint32(elf.R_390_8)<<16:
}
return true
- case objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_B26):
+ case objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_B26),
+ objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_CALL36):
if targType == sym.SDYNIMPORT {
addpltsym(target, ldr, syms, targ)
su := ldr.MakeSymbolUpdater(s)
if targType == 0 || targType == sym.SXREF {
ldr.Errorf(s, "unknown symbol %s in callloong64", ldr.SymName(targ))
}
+ relocType := objabi.R_CALLLOONG64
+ if r.Type() == objabi.ElfRelocOffset+objabi.RelocType(elf.R_LARCH_CALL36) {
+ relocType = objabi.R_LOONG64_CALL36
+ }
su := ldr.MakeSymbolUpdater(s)
- su.SetRelocType(rIdx, objabi.R_CALLLOONG64)
+ su.SetRelocType(rIdx, relocType)
return true
case objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_GOT_PC_HI20),
return true
case objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_PCALA_HI20),
- objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_PCALA_LO12):
+ objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_PCALA_LO12),
+ objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_PCREL20_S2):
if targType == sym.SDYNIMPORT {
ldr.Errorf(s, "unexpected relocation for dynamic symbol %s", ldr.SymName(targ))
}
ldr.Errorf(s, "unknown symbol %s", ldr.SymName(targ))
}
- su := ldr.MakeSymbolUpdater(s)
- if r.Type() == objabi.ElfRelocOffset+objabi.RelocType(elf.R_LARCH_PCALA_HI20) {
- su.SetRelocType(rIdx, objabi.R_LOONG64_ADDR_HI)
- } else {
- su.SetRelocType(rIdx, objabi.R_LOONG64_ADDR_LO)
+ var relocType objabi.RelocType
+ switch r.Type() - objabi.ElfRelocOffset {
+ case objabi.RelocType(elf.R_LARCH_PCALA_HI20):
+ relocType = objabi.R_LOONG64_ADDR_HI
+ case objabi.RelocType(elf.R_LARCH_PCALA_LO12):
+ relocType = objabi.R_LOONG64_ADDR_LO
+ case objabi.RelocType(elf.R_LARCH_PCREL20_S2):
+ relocType = objabi.R_LOONG64_ADDR_PCREL20_S2
}
+ su := ldr.MakeSymbolUpdater(s)
+ su.SetRelocType(rIdx, relocType)
return true
case objabi.ElfRelocOffset + objabi.RelocType(elf.R_LARCH_ADD64),
out.Write64(uint64(elf.R_LARCH_B26) | uint64(elfsym)<<32)
out.Write64(uint64(r.Xadd))
+ case objabi.R_LOONG64_CALL36:
+ out.Write64(uint64(sectoff))
+ out.Write64(uint64(elf.R_LARCH_CALL36) | uint64(elfsym)<<32)
+ out.Write64(uint64(r.Xadd))
+
case objabi.R_LOONG64_TLS_IE_HI:
out.Write64(uint64(sectoff))
out.Write64(uint64(elf.R_LARCH_TLS_IE_PC_HI20) | uint64(elfsym)<<32)
out.Write64(uint64(elf.R_LARCH_PCALA_HI20) | uint64(elfsym)<<32)
out.Write64(uint64(r.Xadd))
+ case objabi.R_LOONG64_ADDR_PCREL20_S2:
+ out.Write64(uint64(sectoff))
+ out.Write64(uint64(elf.R_LARCH_PCREL20_S2) | uint64(elfsym)<<32)
+ out.Write64(uint64(r.Xadd))
+
case objabi.R_LOONG64_GOT_HI:
out.Write64(uint64(sectoff))
out.Write64(uint64(elf.R_LARCH_GOT_PC_HI20) | uint64(elfsym)<<32)
default:
return val, 0, false
case objabi.R_LOONG64_ADDR_HI,
- objabi.R_LOONG64_ADDR_LO:
+ objabi.R_LOONG64_ADDR_LO,
+ objabi.R_LOONG64_ADDR_PCREL20_S2:
// set up addend for eventual relocation via outer symbol.
rs, _ := ld.FoldSubSymbolOffset(ldr, rs)
rst := ldr.SymType(rs)
case objabi.R_LOONG64_TLS_LE_HI,
objabi.R_LOONG64_TLS_LE_LO,
objabi.R_CALLLOONG64,
+ objabi.R_LOONG64_CALL36,
objabi.R_JMPLOONG64,
objabi.R_LOONG64_TLS_IE_HI,
objabi.R_LOONG64_TLS_IE_LO,
return val&0xffc003ff | (t << 10), noExtReloc, isOk
}
return val&0xfe00001f | (t << 5), noExtReloc, isOk
+ case objabi.R_LOONG64_ADDR_PCREL20_S2:
+ pc := ldr.SymValue(s) + int64(r.Off())
+ t := (ldr.SymAddr(rs) + r.Add() - pc) >> 2
+ return val&0xfe00001f | ((t & 0xfffff) << 5), noExtReloc, isOk
case objabi.R_LOONG64_TLS_LE_HI,
objabi.R_LOONG64_TLS_LE_LO:
t := ldr.SymAddr(rs) + r.Add()
t := ldr.SymAddr(rs) + r.Add() - pc
return val&0xfc000000 | (((t >> 2) & 0xffff) << 10) | (((t >> 2) & 0x3ff0000) >> 16), noExtReloc, isOk
+ case objabi.R_LOONG64_CALL36:
+ pc := ldr.SymValue(s) + int64(r.Off())
+ t := (ldr.SymAddr(rs) + r.Add() - pc) >> 2
+ // val is pcaddu18i (lower half) + jirl (upper half)
+ pcaddu18i := (val & 0xfe00001f) | (((t + 0x8000) >> 16) << 5)
+ jirl := ((val >> 32) & 0xfc0003ff) | ((t & 0xffff) << 10)
+ return pcaddu18i | (jirl << 32), noExtReloc, isOk
+
case objabi.R_JMP16LOONG64,
objabi.R_JMP21LOONG64:
pc := ldr.SymValue(s) + int64(r.Off())