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5d70ac3303
ARM assembly syntax uses @ for a comment, execpt for the second parameter of the .symver directive which requires @ as part of the symbol name. This commit fixes the parsing of this directive by adding a special case for ARM for this one argumnet. To make the change we had to move the AllowAtInIdentifier variable to the MCAsmLexer interface (from AsmLexer) and expose a setter for the value. The ELFAsmParser then toggles this value when parsing the second argument to the .symver directive for a target that uses @ as a comment symbol llvm-svn: 199339
48 lines
1.0 KiB
ArmAsm
48 lines
1.0 KiB
ArmAsm
@ Tests to check that '@' does not get lexed as an identifier for arm
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@ RUN: llvm-mc %s -triple=armv7-linux-gnueabi | FileCheck %s
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@ RUN: llvm-mc %s -triple=armv7-linux-gnueabi 2>&1 | FileCheck %s --check-prefix=ERROR
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foo:
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bl boo@plt should be ignored
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bl goo@plt
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.long bar@got to parse this as a comment
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.long baz@got
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add r0, r0@ignore this extra junk
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@ the symver directive should allow @ in the second symbol name
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defined1:
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defined2:
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defined3:
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bar:
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.symver defined1, bar1@zed
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.symver defined2, bar3@@zed
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.symver defined3, bar5@@@zed
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far:
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.long baz@got
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@CHECK-LABEL: foo:
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@CHECK: bl boo
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@CHECK-NOT: @
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@CHECK: bl goo
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@CHECK-NOT: @
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@CHECK: .long bar
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@CHECK-NOT: @
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@CHECK: .long baz
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@CHECK-NOT: @
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@CHECK: add r0, r0
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@CHECK-NOT: @
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@CHECK-LABEL: bar:
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@CHECK: bar1@zed = defined1
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@CHECK: bar3@@zed = defined2
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@CHECK: bar5@@@zed = defined3
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@ Make sure we did not mess up the parser state and it still lexes
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@ comments correctly by excluding the @ in normal symbols
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@CHECK-LABEL: far:
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@CHECK: .long baz
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@CHECK-NOT: @
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@ERROR-NOT: error:
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