228 lines
8.7 KiB
ArmAsm
228 lines
8.7 KiB
ArmAsm
# REQUIRES: x86
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# Make a DLL that exports exportfn1.
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# RUN: yaml2obj %p/Inputs/export.yaml -o %basename_t-exp.obj
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# RUN: lld-link /out:%basename_t-exp.dll /dll %basename_t-exp.obj /export:exportfn1 /implib:%basename_t-exp.lib
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# RUN: split-file %s %t
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/main.s -filetype=obj -o %t/main.obj
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# RUN: lld-link %t/main.obj -guard:cf,longjmp,ehcont -out:%t-missing.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_MISSING
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# WARN_MISSING: warning: Control Flow Guard is enabled but '_load_config_used' is missing
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-invalid.s -filetype=obj -o %t/loadcfg-invalid.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-invalid.obj -guard:cf,longjmp,ehcont -out:%t-invalid.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_INVALID
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# WARN_INVALID: warning: GuardCFFunctionTable not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardCFFunctionCount not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardFlags not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardAddressTakenIatEntryTable not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardAddressTakenIatEntryCount not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardLongJumpTargetTable not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardLongJumpTargetCount not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardEHContinuationTable not set correctly in '_load_config_used'
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# WARN_INVALID-NEXT: warning: GuardEHContinuationCount not set correctly in '_load_config_used'
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-small112.s -filetype=obj -o %t/loadcfg-small112.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-small112.obj -guard:cf,longjmp -out:%t-small112.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_SMALL_112
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# WARN_SMALL_112: warning: '_load_config_used' structure too small to include GuardFlags
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-small148.s -filetype=obj -o %t/loadcfg-small148.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-small148.obj -guard:cf,longjmp -out:%t-small148.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_SMALL_148
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# WARN_SMALL_148: warning: '_load_config_used' structure too small to include GuardLongJumpTargetCount
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-small244.s -filetype=obj -o %t/loadcfg-small244.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-small244.obj -guard:cf,longjmp,ehcont -out:%t-small244.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_SMALL_244
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# WARN_SMALL_244: warning: '_load_config_used' structure too small to include GuardEHContinuationCount
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-misaligned1.s -filetype=obj -o %t/loadcfg-misaligned1.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-misaligned1.obj -guard:cf,longjmp,ehcont -out:%t-misaligned1.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_ALIGN1
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# WARN_ALIGN1: warning: '_load_config_used' is misaligned (expected alignment to be 8 bytes, got 4 instead)
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-misaligned2.s -filetype=obj -o %t/loadcfg-misaligned2.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-misaligned2.obj -guard:cf,longjmp,ehcont -out:%t-misaligned2.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=WARN_ALIGN2
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# WARN_ALIGN2: warning: '_load_config_used' is misaligned (RVA is 0x{{[0-9A-F]*}}2 not aligned to 8 bytes)
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# RUN: llvm-mc -triple x86_64-windows-msvc %t/loadcfg-full.s -filetype=obj -o %t/loadcfg-full.obj
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# RUN: lld-link %t/main.obj %t/loadcfg-full.obj -guard:cf,longjmp,ehcont -out:%t.exe -entry:main %basename_t-exp.lib 2>&1 | FileCheck %s --check-prefix=NOWARN --allow-empty
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# NOWARN-NOT: warning
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# Sanity check to make sure the no-warn version has the expected data.
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# RUN: llvm-readobj --file-headers --coff-load-config %t.exe | FileCheck --check-prefix=CHECK %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{{([0-9A-F]{4})}}
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# CHECK: GuardCFFunctionCount: 1
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# CHECK: GuardFlags [ (0x410500)
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# CHECK: CF_FUNCTION_TABLE_PRESENT (0x400)
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# CHECK: CF_INSTRUMENTED (0x100)
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# CHECK: CF_LONGJUMP_TABLE_PRESENT (0x10000)
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# CHECK: EH_CONTINUATION_TABLE_PRESENT (0x400000)
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# CHECK: ]
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# CHECK: GuardAddressTakenIatEntryTable: 0x14000{{([0-9A-F]{4})}}
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# CHECK: GuardAddressTakenIatEntryCount: 1
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# CHECK: GuardLongJumpTargetTable: 0x14000{{([0-9A-F]{4})}}
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# CHECK: GuardLongJumpTargetCount: 1
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# CHECK: GuardEHContinuationTable: 0x14000{{([0-9A-F]{4})}}
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# CHECK: GuardEHContinuationCount: 1
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# CHECK: ]
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# CHECK-NEXT: GuardFidTable [
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# CHECK-NEXT: 0x14000{{([0-9A-F]{4})}}
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# CHECK-NEXT: ]
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# CHECK-NEXT: GuardIatTable [
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# CHECK-NEXT: 0x14000{{([0-9A-F]{4})}}
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# CHECK-NEXT: ]
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# CHECK-NEXT: GuardLJmpTable [
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# CHECK-NEXT: 0x14000{{([0-9A-F]{4})}}
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# CHECK-NEXT: ]
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# CHECK-NEXT: GuardEHContTable [
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# CHECK-NEXT: 0x14000{{([0-9A-F]{4})}}
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# CHECK-NEXT: ]
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#--- main.s
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# We need @feat.00 to have 0x4000 | 0x800 to indicate /guard:cf and /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 = 0x4800
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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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mov %eax, %eax
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movq __imp_exportfn1(%rip), %rax
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callq *%rax
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nop
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# Fake setjmp target
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$cfgsj_main0:
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mov %ebx, %ebx
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nop
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# Fake ehcont target
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$ehgcr_0_1:
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mov %ecx, %ecx
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nop
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retq
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# -- End function
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.section .gfids$y,"dr"
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.symidx main
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.section .giats$y,"dr"
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.symidx __imp_exportfn1
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.section .gljmp$y,"dr"
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.symidx $cfgsj_main0
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.section .gehcont$y,"dr"
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.symidx $ehgcr_0_1
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.addrsig_sym main
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.addrsig_sym __imp_exportfn1
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.section .rdata,"dr"
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#--- loadcfg-invalid.s
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.globl _load_config_used
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.p2align 3
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_load_config_used:
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.long 312
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.fill 308, 1, 0
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#--- loadcfg-small112.s
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.globl _load_config_used
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.p2align 3
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_load_config_used:
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.long 112
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.fill 108, 1, 0
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#--- loadcfg-small148.s
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.globl _load_config_used
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.p2align 3
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_load_config_used:
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.long 148
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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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#--- loadcfg-small244.s
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.globl _load_config_used
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.p2align 3
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_load_config_used:
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.long 244
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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 52, 1, 0 # Up to HotPatchTableOffset
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#--- loadcfg-misaligned1.s
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.globl _load_config_used
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.fill 2, 1, 0 # offset by 2
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.p2align 2 # then align to 0x04
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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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#--- loadcfg-misaligned2.s
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.globl _load_config_used
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.p2align 4 # align to 0x10
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.fill 2, 1, 0 # then offset by 2
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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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#--- loadcfg-full.s
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.globl _load_config_used
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.p2align 3
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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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