195 lines
13 KiB
Modula-2
195 lines
13 KiB
Modula-2
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// arm-reloc.def -- ARM relocation definitions.
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// Copyright (C) 2010-2022 Free Software Foundation, Inc.
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// Written by Doug Kwan <dougkwan@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// The information here is based on the official ARM document "ELF for ARM
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// Architecture" (Document number ARM IHI 0044C). The first five columns of
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// the table below are derived from Table 4-8 in the ARM ELF document. Each
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// relocation from Table 4-8 corresponds to one relocation definition in the
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// table below. A relocation definition has the following information:
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//
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// Name: This is the name of the relocation without the "R_ARM_" prefix.
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//
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// Type: Relocation type. There are four.
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// - STATIC for static relocations processed by a static linker.
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// - DYNAMIC for dynamic relocations processed by a dynamic linker.
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// - PRIVATE for R_ARM_PRIVATE_<n> private relocation type.
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// - OBSOLETE for old relocation types no longer used.
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// We do not use DEPRECATED as a distinct type since we still have to
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// handle deprecated relocations so we one of the types above.
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//
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// Deprecated: Whether this is a deprecated relocation type. The linker
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// is expected to handle these though they should not be generated by fully
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// conforming tool-chains.
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//
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// Operation: An expression specifying how the linker should perform a
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// relocation. If there is no operation or the operation cannot be
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// specified, it is "NONE".
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//
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// Implemented: Whether this is implemented by the gold.
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//
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// Group_index: For a group relocation type, it is one of 0, 1 or 2. For
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// a non-group relocation type, it is -1.
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//
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// Overflow: Whether gold should check for overflow. This is "No" by default
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// for relocation types DYNAMIC, PRIVATE and OBSOLETE.
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//
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// Overflow-----------------------------------------------------------------+
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// Group index----------------------------------------------------------+ |
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// Implemented-------------------------------------------------------+ | |
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// Operation-------------------------------+ | | |
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// Class----------------------------+ | | | |
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// Deprecated--------------------+ | | | | |
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// Type----------------+ | | | | | |
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// Name | | | | | | |
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// | | | | | | | |
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RD(NONE , STATIC , N, MISC , NONE , Y, -1, N)
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RD(PC24 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y)
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RD(ABS32 , STATIC , N, DATA , (S + A) | T , Y, -1, N)
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RD(REL32 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, N)
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RD(LDR_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y)
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RD(ABS16 , STATIC , N, DATA , S + A , Y, -1, Y)
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RD(ABS12 , STATIC , N, ARM , S + A , Y, -1, Y)
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RD(THM_ABS5 , STATIC , N, THM16, S + A , Y, -1, Y)
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RD(ABS8 , STATIC , N, DATA , S + A , Y, -1, Y)
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RD(SBREL32 , STATIC , N, DATA , ((S + A) | T) - B(S) , N, -1, N)
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RD(THM_CALL , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y)
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RD(THM_PC8 , STATIC , N, THM16, S + A - Pa , Y, -1, Y)
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RD(BREL_ADJ , DYNAMIC , N, DATA , DELTA_B(S) + A , Y, -1, N)
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RD(TLS_DESC , DYNAMIC , N, DATA , NONE , Y, -1, N)
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RD(THM_SWI8 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(XPC25 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(THM_XPC22 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(TLS_DTPMOD32 , DYNAMIC , N, DATA , Module(S) , Y, -1, N)
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RD(TLS_DTPOFF32 , DYNAMIC , N, DATA , S + A - TLS , Y, -1, N)
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RD(TLS_TPOFF32 , DYNAMIC , N, DATA , S + A - tp , Y, -1, N)
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RD(COPY , DYNAMIC , N, MISC , NONE , Y, -1, N)
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RD(GLOB_DAT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N)
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RD(JUMP_SLOT , DYNAMIC , N, DATA , (S + A) | T , Y, -1, N)
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RD(RELATIVE , DYNAMIC , N, DATA , B(S) + A , Y, -1, N)
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RD(GOTOFF32 , STATIC , N, DATA , ((S + A) | T) - GOT_ORG, Y, -1, N)
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RD(BASE_PREL , STATIC , N, DATA , B(S) + A - P , Y, -1, N)
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RD(GOT_BREL , STATIC , N, DATA , GOT(S) + A - GOT_ORG , Y, -1, N)
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RD(PLT32 , STATIC , Y, ARM , ((S + A) | T) - P , Y, -1, Y)
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RD(CALL , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y)
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RD(JUMP24 , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, Y)
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RD(THM_JUMP24 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y)
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RD(BASE_ABS , STATIC , N, DATA , B(S) + A , Y, -1, N)
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RD(ALU_PCREL_7_0 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(ALU_PCREL_15_8 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(ALU_PCREL_23_15 , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(LDR_SBREL_11_0_NC , STATIC , Y, ARM , S + A - B(S) , N, -1, N)
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RD(ALU_SBREL_19_12_NC, STATIC , Y, ARM , S + A - B(S) , N, -1, N)
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RD(ALU_SBREL_27_20_CK, STATIC , Y, ARM , S + A - B(S) , N, -1, Y)
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RD(TARGET1 , STATIC , N, MISC , NONE , Y, -1, N)
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RD(SBREL31 , STATIC , Y, DATA , ((S + A) | T) - B(S) , N, -1, N)
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RD(V4BX , STATIC , N, MISC , NONE , Y, -1, N)
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RD(TARGET2 , STATIC , N, MISC , NONE , Y, -1, N)
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RD(PREL31 , STATIC , N, DATA , ((S + A) | T) - P , Y, -1, Y)
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RD(MOVW_ABS_NC , STATIC , N, ARM , (S + A) | T , Y, -1, N)
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RD(MOVT_ABS , STATIC , N, ARM , S + A , Y, -1, Y)
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RD(MOVW_PREL_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, -1, N)
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RD(MOVT_PREL , STATIC , N, ARM , (S + A) - P , Y, -1, Y)
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RD(THM_MOVW_ABS_NC , STATIC , N, THM32, (S + A) | T , Y, -1, N)
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RD(THM_MOVT_ABS , STATIC , N, THM32, S + A , Y, -1, N)
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RD(THM_MOVW_PREL_NC , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, N)
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RD(THM_MOVT_PREL , STATIC , N, THM32, S + A - P , Y, -1, N)
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RD(THM_JUMP19 , STATIC , N, THM32, ((S + A) | T) - P , Y, -1, Y)
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RD(THM_JUMP6 , STATIC , N, THM16, S + A - P , Y, -1, Y)
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RD(THM_ALU_PREL_11_0 , STATIC , N, THM32, ((S + A) | T) - Pa , Y, -1, Y)
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RD(THM_PC12 , STATIC , N, THM32, S + A - Pa , Y, -1, Y)
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RD(ABS32_NOI , STATIC , N, DATA , S + A , Y, -1, N)
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RD(REL32_NOI , STATIC , N, DATA , S + A - P , N, -1, N)
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RD(ALU_PC_G0_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, N)
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RD(ALU_PC_G0 , STATIC , N, ARM , ((S + A) | T) - P , Y, 0, Y)
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RD(ALU_PC_G1_NC , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, N)
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RD(ALU_PC_G1 , STATIC , N, ARM , ((S + A) | T) - P , Y, 1, Y)
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RD(ALU_PC_G2 , STATIC , N, ARM , ((S + A) | T) - P , Y, 2, Y)
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RD(LDR_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y)
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RD(LDR_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y)
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RD(LDRS_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y)
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RD(LDRS_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y)
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RD(LDRS_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y)
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RD(LDC_PC_G0 , STATIC , N, ARM , S + A - P , Y, 0, Y)
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RD(LDC_PC_G1 , STATIC , N, ARM , S + A - P , Y, 1, Y)
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RD(LDC_PC_G2 , STATIC , N, ARM , S + A - P , Y, 2, Y)
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RD(ALU_SB_G0_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, N)
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RD(ALU_SB_G0 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 0, Y)
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RD(ALU_SB_G1_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, N)
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RD(ALU_SB_G1 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 1, Y)
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RD(ALU_SB_G2 , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, 2, Y)
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RD(LDR_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y)
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RD(LDR_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y)
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RD(LDR_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y)
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RD(LDRS_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y)
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RD(LDRS_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y)
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RD(LDRS_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y)
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RD(LDC_SB_G0 , STATIC , N, ARM , S + A - B(S) , Y, 0, Y)
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RD(LDC_SB_G1 , STATIC , N, ARM , S + A - B(S) , Y, 1, Y)
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RD(LDC_SB_G2 , STATIC , N, ARM , S + A - B(S) , Y, 2, Y)
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RD(MOVW_BREL_NC , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, N)
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RD(MOVT_BREL , STATIC , N, ARM , S + A - B(S) , Y, -1, Y)
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RD(MOVW_BREL , STATIC , N, ARM , ((S + A) | T) - B(S) , Y, -1, Y)
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RD(THM_MOVW_BREL_NC , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, N)
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RD(THM_MOVT_BREL , STATIC , N, THM32, S + A - B(S) , Y, -1, N)
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RD(THM_MOVW_BREL , STATIC , N, THM32, ((S + A) | T) - B(S) , Y, -1, Y)
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RD(TLS_GOTDESC , STATIC , N, DATA , NONE , Y, -1, N)
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RD(TLS_CALL , STATIC , N, ARM , NONE , N, -1, Y)
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RD(TLS_DESCSEQ , STATIC , N, ARM , NONE , N, -1, Y)
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RD(THM_TLS_CALL , STATIC , N, THM32, NONE , N, -1, Y)
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RD(PLT32_ABS , STATIC , N, DATA , PLT(S) + A , N, -1, N)
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RD(GOT_ABS , STATIC , N, DATA , GOT(S) + A , N, -1, N)
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RD(GOT_PREL , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N)
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RD(GOT_BREL12 , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y)
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RD(GOTOFF12 , STATIC , N, ARM , S + A - GOT_ORG , N, -1, Y)
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RD(GOTRELAX , STATIC , N, MISC , NONE , N, -1, N)
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RD(GNU_VTENTRY , STATIC , Y, DATA , NONE , Y, -1, N)
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RD(GNU_VTINHERIT , STATIC , Y, DATA , NONE , Y, -1, N)
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RD(THM_JUMP11 , STATIC , N, THM16, S + A - P , Y, -1, Y)
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RD(THM_JUMP8 , STATIC , N, THM16, S + A - P , Y, -1, Y)
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RD(TLS_GD32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N)
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RD(TLS_LDM32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N)
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RD(TLS_LDO32 , STATIC , N, DATA , S + A - TLS , Y, -1, N)
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RD(TLS_IE32 , STATIC , N, DATA , GOT(S) + A - P , Y, -1, N)
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RD(TLS_LE32 , STATIC , N, DATA , S + A - tp , Y, -1, N)
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RD(TLS_LDO12 , STATIC , N, ARM , S + A - TLS , N, -1, Y)
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RD(TLS_LE12 , STATIC , N, ARM , S + A - tp , N, -1, Y)
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RD(TLS_IE12GP , STATIC , N, ARM , GOT(S) + A - GOT_ORG , N, -1, Y)
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RD(PRIVATE_0 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_1 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_2 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_3 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_4 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_5 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_6 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_7 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_8 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_9 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_10 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_11 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_12 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_13 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_14 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(PRIVATE_15 , PRIVATE , N, NONE , NONE , N, -1, N)
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RD(ME_TOO , OBSOLETE, N, NONE , NONE , N, -1, N)
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RD(THM_TLS_DESCSEQ16 , STATIC , N, THM16, NONE , N, -1, Y)
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RD(THM_TLS_DESCSEQ32 , STATIC , N, THM32, NONE , N, -1, Y)
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