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annotate lld/test/COFF/gfids-relocations64.s @ 192:d7606dcf6fce

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Added tag llvm10 for changeset 0572611fdcc8
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 14 Dec 2020 18:01:34 +0900
parents 1d019706d866
children
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1 # REQUIRES: x86
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2 # RUN: llvm-mc -triple x86_64-pc-win32 %s -filetype=obj -o %t.obj
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3 # RUN: lld-link %t.obj -guard:cf -out:%t.exe -entry:main
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4 # RUN: llvm-readobj --coff-load-config %t.exe | FileCheck %s --check-prefix=CHECK
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5
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6 # f, g, and main go in the table.
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7 # Including g isn't strictly necessary since it's not an indirect call target,
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8 # however the linker can't know that because relative relocations are used both
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9 # for direct calls and for getting the absolute address of a function.
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10 # (use /lldmap:map.txt to check their addresses).
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11 #
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12 # CHECK: GuardFidTable [
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13 # CHECK-NEXT: 0x140001000
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14 # CHECK-NEXT: 0x140001010
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15 # CHECK-NEXT: 0x140001030
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16 # CHECK-NEXT: ]
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17
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18 .def f;
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19 .scl 3;
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20 .type 32;
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21 .endef
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22 .section .text,"xr",one_only,f
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23 .p2align 4
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24 f: movl $1, %eax
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25 ret
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26
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27
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28 .def g;
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29 .scl 3;
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30 .type 32;
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31 .endef
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32 .section .text,"xr",one_only,g
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33 .p2align 4
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34 g: movl $2, %eax
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35 ret
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36
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37
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38 .def label;
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39 .scl 6; # StorageClass: Label
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40 .type 0; # Type: Not a function.
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41 .endef
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42 .section .text,"xr",one_only,label
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43 .p2align 4
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44 label: ret
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45
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46
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47 .data
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48 .globl fp
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49 .p2align 4
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50 fp: .quad f # DIR32 relocation to function
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51 .quad label # DIR32 relocation to label
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52
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53
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54 .def main;
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55 .scl 2;
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56 .type 32;
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57 .endef
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58 .section .text,"xr",one_only,main
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59 .globl main
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60 .p2align 4
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61 main: call *fp # DIR32 relocation to data
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62 call g # REL32 relocation to function
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63 ret
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64
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65
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66 # Load configuration directory entry (winnt.h _IMAGE_LOAD_CONFIG_DIRECTORY64).
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67 # The linker will define the __guard_* symbols.
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68 .section .rdata,"dr"
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69 .globl _load_config_used
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70 _load_config_used:
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71 .long 256
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72 .fill 124, 1, 0
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73 .quad __guard_fids_table
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74 .quad __guard_fids_count
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75 .long __guard_flags
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76 .fill 128, 1, 0