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AArch64: add support for dynamic-loader relocations

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LLD needs them, and it's good to be able to print them properly when
our object dumpers encounter them.

Patch by Daniel Stewart.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215352 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tim Northover 2014-08-11 10:10:27 +00:00
parent e659e17483
commit af713d3ba7
5 changed files with 47 additions and 1 deletions
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15
include/llvm/Support/ELF.h
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@ -655,6 +655,9 @@ enum {
R_AARCH64_LDST128_ABS_LO12_NC = 0x12b, R_AARCH64_LDST128_ABS_LO12_NC = 0x12b,
R_AARCH64_GOTREL64 = 0x133,
R_AARCH64_GOTREL32 = 0x134,
R_AARCH64_ADR_GOT_PAGE = 0x137, R_AARCH64_ADR_GOT_PAGE = 0x137,
R_AARCH64_LD64_GOT_LO12_NC = 0x138, R_AARCH64_LD64_GOT_LO12_NC = 0x138,
@ -702,7 +705,17 @@ enum {
R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233, R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233,
R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234, R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234,
R_AARCH64_TLSDESC_CALL = 0x239 R_AARCH64_TLSDESC_CALL = 0x239,
R_AARCH64_COPY = 0x400,
R_AARCH64_GLOB_DAT = 0x401,
R_AARCH64_JUMP_SLOT = 0x402,
R_AARCH64_RELATIVE = 0x403,
R_AARCH64_TLS_DTPREL64 = 0x404,
R_AARCH64_TLS_DTPMOD64 = 0x405,
R_AARCH64_TLS_TPREL64 = 0x406,
R_AARCH64_TLSDESC = 0x407,
R_AARCH64_IRELATIVE = 0x408
}; };
// ARM Specific e_flags // ARM Specific e_flags

11
lib/Object/ELF.cpp
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@ -223,6 +223,8 @@ StringRef getELFRelocationTypeName(uint32_t Machine, uint32_t Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST32_ABS_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST32_ABS_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST64_ABS_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST64_ABS_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST128_ABS_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LDST128_ABS_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GOTREL64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GOTREL32);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_GOT_PAGE); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_ADR_GOT_PAGE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD64_GOT_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_LD64_GOT_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G2); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSLD_MOVW_DTPREL_G2);
@ -266,6 +268,15 @@ StringRef getELFRelocationTypeName(uint32_t Machine, uint32_t Type) {
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_LD64_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_ADD_LO12_NC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL); LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC_CALL);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_COPY);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_GLOB_DAT);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_JUMP_SLOT);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_RELATIVE);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_DTPREL64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_DTPMOD64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLS_TPREL64);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_TLSDESC);
LLVM_ELF_SWITCH_RELOC_TYPE_NAME(R_AARCH64_IRELATIVE);
default: default:
break; break;
} }

BIN
test/tools/llvm-readobj/Inputs/relocs.obj.elf-aarch64
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11
test/tools/llvm-readobj/Inputs/relocs.py
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@ -621,6 +621,8 @@ class Relocs_Elf_AArch64(Enum):
R_AARCH64_LDST32_ABS_LO12_NC = 0x11d R_AARCH64_LDST32_ABS_LO12_NC = 0x11d
R_AARCH64_LDST64_ABS_LO12_NC = 0x11e R_AARCH64_LDST64_ABS_LO12_NC = 0x11e
R_AARCH64_LDST128_ABS_LO12_NC = 0x12b R_AARCH64_LDST128_ABS_LO12_NC = 0x12b
R_AARCH64_GOTREL64 = 0x133
R_AARCH64_GOTREL32 = 0x134
R_AARCH64_ADR_GOT_PAGE = 0x137 R_AARCH64_ADR_GOT_PAGE = 0x137
R_AARCH64_LD64_GOT_LO12_NC = 0x138 R_AARCH64_LD64_GOT_LO12_NC = 0x138
R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b
@ -664,6 +666,15 @@ class Relocs_Elf_AArch64(Enum):
R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233 R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233
R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234 R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234
R_AARCH64_TLSDESC_CALL = 0x239 R_AARCH64_TLSDESC_CALL = 0x239
R_AARCH64_COPY = 0x400
R_AARCH64_GLOB_DAT = 0x401
R_AARCH64_JUMP_SLOT = 0x402
R_AARCH64_RELATIVE = 0x403
R_AARCH64_TLS_DTPREL64 = 0x404
R_AARCH64_TLS_DTPMOD64 = 0x405
R_AARCH64_TLS_TPREL64 = 0x406
R_AARCH64_TLSDESC = 0x407
R_AARCH64_IRELATIVE = 0x408
class Relocs_Elf_ARM(Enum): class Relocs_Elf_ARM(Enum):
R_ARM_NONE = 0x00 R_ARM_NONE = 0x00

11
test/tools/llvm-readobj/reloc-types.test
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@ -179,6 +179,8 @@ ELF-AARCH64: Type: R_AARCH64_LDST16_ABS_LO12_NC (284)
ELF-AARCH64: Type: R_AARCH64_LDST32_ABS_LO12_NC (285) ELF-AARCH64: Type: R_AARCH64_LDST32_ABS_LO12_NC (285)
ELF-AARCH64: Type: R_AARCH64_LDST64_ABS_LO12_NC (286) ELF-AARCH64: Type: R_AARCH64_LDST64_ABS_LO12_NC (286)
ELF-AARCH64: Type: R_AARCH64_LDST128_ABS_LO12_NC (299) ELF-AARCH64: Type: R_AARCH64_LDST128_ABS_LO12_NC (299)
ELF-AARCH64: Type: R_AARCH64_GOTREL64 (307)
ELF-AARCH64: Type: R_AARCH64_GOTREL32 (308)
ELF-AARCH64: Type: R_AARCH64_ADR_GOT_PAGE (311) ELF-AARCH64: Type: R_AARCH64_ADR_GOT_PAGE (311)
ELF-AARCH64: Type: R_AARCH64_LD64_GOT_LO12_NC (312) ELF-AARCH64: Type: R_AARCH64_LD64_GOT_LO12_NC (312)
ELF-AARCH64: Type: R_AARCH64_TLSLD_MOVW_DTPREL_G2 (523) ELF-AARCH64: Type: R_AARCH64_TLSLD_MOVW_DTPREL_G2 (523)
@ -222,6 +224,15 @@ ELF-AARCH64: Type: R_AARCH64_TLSDESC_ADR_PAGE (562)
ELF-AARCH64: Type: R_AARCH64_TLSDESC_LD64_LO12_NC (563) ELF-AARCH64: Type: R_AARCH64_TLSDESC_LD64_LO12_NC (563)
ELF-AARCH64: Type: R_AARCH64_TLSDESC_ADD_LO12_NC (564) ELF-AARCH64: Type: R_AARCH64_TLSDESC_ADD_LO12_NC (564)
ELF-AARCH64: Type: R_AARCH64_TLSDESC_CALL (569) ELF-AARCH64: Type: R_AARCH64_TLSDESC_CALL (569)
ELF-AARCH64: Type: R_AARCH64_COPY (1024)
ELF-AARCH64: Type: R_AARCH64_GLOB_DAT (1025)
ELF-AARCH64: Type: R_AARCH64_JUMP_SLOT (1026)
ELF-AARCH64: Type: R_AARCH64_RELATIVE (1027)
ELF-AARCH64: Type: R_AARCH64_TLS_DTPREL64 (1028)
ELF-AARCH64: Type: R_AARCH64_TLS_DTPMOD64 (1029)
ELF-AARCH64: Type: R_AARCH64_TLS_TPREL64 (1030)
ELF-AARCH64: Type: R_AARCH64_TLSDESC (1031)
ELF-AARCH64: Type: R_AARCH64_IRELATIVE (1032)
ELF-ARM: Type: R_ARM_NONE (0) ELF-ARM: Type: R_ARM_NONE (0)
ELF-ARM: Type: R_ARM_PC24 (1) ELF-ARM: Type: R_ARM_PC24 (1)