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https://github.com/c64scene-ar/llvm-6502.git
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ARM IAS: support .personalityindex
The .personalityindex directive is equivalent to the .personality directive with the ARM EABI personality with the specific index (0, 1, 2). Both of these directives indicate personality routines, so enhance the personality directive handling to take into account personalityindex. Bonus fix: flush the UnwindContext at the beginning of a new function. Thanks to Logan Chien for additional tests! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199706 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Saleem Abdulrasool
122
test/MC/ARM/eh-directive-personalityindex-diagnostics.s
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122
test/MC/ARM/eh-directive-personalityindex-diagnostics.s
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@@ -0,0 +1,122 @@
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@ RUN: not llvm-mc -triple armv7-linux-eabi -filetype asm -o /dev/null %s 2>&1 \
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@ RUN: | FileCheck %s
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.syntax unified
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.thumb
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.global function
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.type function,%function
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.thumb_func
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function:
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.personalityindex 0
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@ CHECK: error: .fnstart must precede .personalityindex directive
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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.global ununwindable
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.type ununwindable,%function
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.thumb_func
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ununwindable:
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.fnstart
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.cantunwind
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.personalityindex 0
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.fnend
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@ CHECK: error: .personalityindex cannot be used with .cantunwind
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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@ CHECK: note: .cantunwind was specified here
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@ CHECK: .cantunwind
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@ CHECK: ^
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.global nodata
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.type nodata,%function
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.thumb_func
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nodata:
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.fnstart
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.handlerdata
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.personalityindex 0
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.fnend
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@ CHECK: error: .personalityindex must precede .handlerdata directive
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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@ CHECK: note: .handlerdata was specified here
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@ CHECK: .handlerdata
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@ CHECK: ^
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.global multiple_personality
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.type multiple_personality,%function
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.thumb_func
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multiple_personality:
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.fnstart
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.personality __aeabi_personality_pr0
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.personalityindex 0
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.fnend
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@ CHECK: error: multiple personality directives
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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@ CHECK: note: .personality was specified here
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@ CHECK: .personality __aeabi_personality_pr0
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@ CHECK: ^
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@ CHECK: note: .personalityindex was specified here
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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.global multiple_personality_indicies
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.type multiple_personality_indicies,%function
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.thumb_func
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multiple_personality_indicies:
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.fnstart
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.personalityindex 0
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.personalityindex 1
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.fnend
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@ CHECK: error: multiple personality directives
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@ CHECK: .personalityindex 1
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@ CHECK: ^
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@ CHECK: note: .personalityindex was specified here
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@ CHECK: .personalityindex 0
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@ CHECK: ^
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@ CHECK: note: .personalityindex was specified here
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@ CHECK: .personalityindex 1
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@ CHECK: ^
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.global invalid_expression
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.type invalid_expression,%function
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.thumb_func
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invalid_expression:
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.fnstart
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.personalityindex <expression>
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.fnend
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@ CHECK: error: unknown token in expression
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@ CHECK: .personalityindex <expression>
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@ CHECK: ^
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.global nonconstant_expression
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.type nonconstant_expression,%function
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.thumb_func
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nonconstant_expression:
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.fnstart
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.personalityindex nonconstant_expression
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.fnend
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@ CHECK: error: index must be a constant number
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@ CHECK: .personalityindex nonconstant_expression
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@ CHECK: ^
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.global bad_index
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.type bad_index,%function
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.thumb_func
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bad_index:
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.fnstart
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.personalityindex 42
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.fnend
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@ CHECK: error: personality routine index should be in range [0-3]
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@ CHECK: .personalityindex 42
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@ CHECK: ^
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202
test/MC/ARM/eh-directive-personalityindex.s
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202
test/MC/ARM/eh-directive-personalityindex.s
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@@ -0,0 +1,202 @@
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@ RUN: llvm-mc -triple armv7-linux-eabi -filetype obj -o - %s \
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@ RUN: | llvm-readobj -s -sd -sr | FileCheck %s
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.syntax unified
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.thumb
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.section .pr0
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.global pr0
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.type pr0,%function
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.thumb_func
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pr0:
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.fnstart
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.personalityindex 0
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr0
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 B0B0B080
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr0
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr0 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
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@ CHECK: ]
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@ CHECK: }
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.section .pr0.nontrivial
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.global pr0_nontrivial
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.type pr0_nontrivial,%function
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.thumb_func
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pr0_nontrivial:
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.fnstart
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.personalityindex 0
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.pad #0x10
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sub sp, sp, #0x10
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add sp, sp, #0x10
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr0.nontrivial
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 B0B00380
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr0.nontrivial
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr0.nontrivial 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0
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@ CHECK: ]
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@ CHECK: }
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.section .pr1
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.global pr1
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.type pr1,%function
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.thumb_func
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pr1:
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.fnstart
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.personalityindex 1
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.extab.pr1
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@ CHECK: SectionData (
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@ CHECK: 0000: B0B00081 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr1
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr1
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr1 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr1 0x0
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@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.pr1 0x0
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@ CHECK: ]
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@ CHECK: }
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.section .pr1.nontrivial
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.global pr1_nontrivial
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.type pr1_nontrivial,%function
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.thumb_func
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pr1_nontrivial:
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.fnstart
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.personalityindex 1
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.pad #0x10
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sub sp, sp, #0x10
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add sp, sp, #0x10
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.extab.pr1.nontrivial
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@ CHECK: SectionData (
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@ CHECK: 0000: B0030081 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr1.nontrivial
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr1.nontrivial
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr1.nontrivial 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr1 0x0
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@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.pr1.nontrivial 0x0
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@ CHECK: ]
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@ CHECK: }
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.section .pr2
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.global pr2
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.type pr2,%function
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.thumb_func
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pr2:
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.fnstart
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.personalityindex 2
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.extab.pr2
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@ CHECK: SectionData (
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@ CHECK: 0000: B0B00082 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr2
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr2
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr2 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr2 0x0
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@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.pr2 0x0
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@ CHECK: ]
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@ CHECK: }
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.section .pr2.nontrivial
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.type pr2_nontrivial,%function
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.thumb_func
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pr2_nontrivial:
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.fnstart
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.personalityindex 2
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.pad #0x10
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sub sp, sp, #0x10
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add sp, sp, #0x10
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bx lr
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.fnend
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@ CHECK: Section {
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@ CHECK: Name: .ARM.extab.pr2.nontrivial
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@ CHECK: SectionData (
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@ CHECK: 0000: B0030082 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .ARM.exidx.pr2.nontrivial
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@ CHECK: SectionData (
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@ CHECK: 0000: 00000000 00000000
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@ CHECK: )
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@ CHECK: }
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@ CHECK: Section {
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@ CHECK: Name: .rel.ARM.exidx.pr2.nontrivial
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@ CHECK: Relocations [
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@ CHECK: 0x0 R_ARM_PREL31 .pr2.nontrivial 0x0
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@ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr2 0x0
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@ CHECK: 0x4 R_ARM_PREL31 .ARM.extab.pr2.nontrivial 0x0
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@ CHECK: ]
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@ CHECK: }
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