derek.holloway
7502bf64a4
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76 lines
2.1 KiB
ArmAsm
76 lines
2.1 KiB
ArmAsm
## Check that llvm-bolt is able to overwrite LSDA in ULEB128 format in-place for
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## all types of binaries.
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# REQUIRES: system-linux
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# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o
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# RUN: ld.lld --no-pie %t.o -o %t.exe -q
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# RUN: ld.lld --pie %t.o -o %t.pie -q
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# RUN: ld.lld --shared %t.o -o %t.so -q
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# RUN: llvm-bolt %t.exe -o %t.bolt --strict \
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# RUN: | FileCheck --check-prefix=CHECK-BOLT %s
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# RUN: llvm-bolt %t.pie -o %t.pie.bolt --strict \
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# RUN: | FileCheck --check-prefix=CHECK-BOLT %s
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# RUN: llvm-bolt %t.so -o %t.so.bolt --strict \
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# RUN: | FileCheck --check-prefix=CHECK-BOLT %s
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# CHECK-BOLT: rewriting .gcc_except_table in-place
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# RUN: llvm-readelf -WS %t.bolt | FileCheck --check-prefix=CHECK-ELF %s
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# RUN: llvm-readelf -WS %t.pie.bolt | FileCheck --check-prefix=CHECK-ELF %s
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# RUN: llvm-readelf -WS %t.so.bolt | FileCheck --check-prefix=CHECK-ELF %s
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# CHECK-ELF-NOT: .bolt.org.gcc_except_table
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.text
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.global foo
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.type foo, %function
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foo:
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.cfi_startproc
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ret
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.cfi_endproc
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.size foo, .-foo
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.globl _start
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.type _start, %function
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_start:
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.Lfunc_begin0:
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.cfi_startproc
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.cfi_lsda 27, .Lexception0
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call foo
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.Ltmp0:
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call foo
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.Ltmp1:
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ret
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## Landing pads.
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.LLP1:
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ret
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.LLP0:
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ret
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.cfi_endproc
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.Lfunc_end0:
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.size _start, .-_start
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## EH table.
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.section .gcc_except_table,"a",@progbits
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.p2align 2
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GCC_except_table0:
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.Lexception0:
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.byte 255 # @LPStart Encoding = omit
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.byte 255 # @TType Encoding = omit
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.byte 1 # Call site Encoding = uleb128
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.uleb128 .Lcst_end0-.Lcst_begin0
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.Lcst_begin0:
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.uleb128 .Lfunc_begin0-.Lfunc_begin0 # >> Call Site 1 <<
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.uleb128 .Ltmp0-.Lfunc_begin0 # Call between .Lfunc_begin0 and .Ltmp0
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.uleb128 .LLP0-.Lfunc_begin0 # jumps to .LLP0
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.byte 0 # On action: cleanup
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.uleb128 .Ltmp0-.Lfunc_begin0 # >> Call Site 2 <<
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.uleb128 .Ltmp1-.Ltmp0 # Call between .Ltmp0 and .Ltmp1
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.uleb128 .LLP1-.Lfunc_begin0 # jumps to .LLP1
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.byte 0 # On action: cleanup
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.Lcst_end0:
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