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e335c78ec2
Fixes EHCont implementation in LLD. Closes #64570 Reviewed By: rnk Differential Revision: https://reviews.llvm.org/D157623
99 lines
2.5 KiB
ArmAsm
99 lines
2.5 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -triple x86_64-windows-msvc %s -filetype=obj -o %t.obj
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# RUN: lld-link %t.obj -guard:cf -guard:ehcont -out:%t.exe -entry:main
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# RUN: llvm-readobj --file-headers --coff-load-config %t.exe | FileCheck %s
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# CHECK: ImageBase: 0x140000000
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# CHECK: LoadConfig [
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# CHECK: SEHandlerTable: 0x0
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# CHECK: SEHandlerCount: 0
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# CHECK: GuardCFCheckFunction: 0x0
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# CHECK: GuardCFCheckDispatch: 0x0
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# CHECK: GuardCFFunctionTable: 0x14000{{.*}}
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# CHECK: GuardCFFunctionCount: 1
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# CHECK: GuardFlags [ (0x400500)
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# CHECK: CF_FUNCTION_TABLE_PRESENT (0x400)
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# CHECK: CF_INSTRUMENTED (0x100)
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# CHECK: EH_CONTINUATION_TABLE_PRESENT (0x400000)
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# CHECK: ]
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# CHECK: GuardAddressTakenIatEntryTable: 0x0
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# CHECK: GuardAddressTakenIatEntryCount: 0
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# CHECK: GuardEHContinuationTable: 0x14000{{.*}}
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# CHECK: GuardEHContinuationCount: 2
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# CHECK: ]
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# CHECK: GuardEHContTable [
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# CHECK-NEXT: 0x14000{{.*}}
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# CHECK-NEXT: 0x14000{{.*}}
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# CHECK-NEXT: ]
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# We need @feat.00 to have 0x4000 to indicate /guard:ehcont.
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.def @feat.00;
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.scl 3;
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.type 0;
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.endef
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.globl @feat.00
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@feat.00 = 0x4000
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.def main; .scl 2; .type 32; .endef
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.globl main # -- Begin function main
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.p2align 4, 0x90
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main:
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.seh_proc main
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.seh_handler __C_specific_handler, @unwind, @except
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.seh_handlerdata
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.long 2
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.long (seh_begin)@IMGREL
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.long (seh_end)@IMGREL
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.long 1
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.long (seh_except)@IMGREL
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.long (seh2_begin)@IMGREL
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.long (seh2_end)@IMGREL
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.long 1
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.long (seh2_except)@IMGREL
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.text
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seh_begin:
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nop
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int3
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nop
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seh_end:
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nop
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seh_except:
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nop
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seh2_begin:
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nop
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int3
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nop
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seh2_end:
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nop
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seh2_except:
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nop
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xor %eax, %eax
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ret
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.seh_endproc
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__C_specific_handler:
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ret
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.section .gehcont$y,"dr"
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.symidx seh_except
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.symidx seh2_except
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.section .rdata,"dr"
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.globl _load_config_used
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_load_config_used:
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.long 312
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.fill 124, 1, 0
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.quad __guard_fids_table
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.quad __guard_fids_count
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.long __guard_flags
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.fill 12, 1, 0
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.quad __guard_iat_table
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.quad __guard_iat_count
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.quad __guard_longjmp_table
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.quad __guard_longjmp_count
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.fill 72, 1, 0
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.quad __guard_eh_cont_table
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.quad __guard_eh_cont_count
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.fill 32, 1, 0
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