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https://github.com/c64scene-ar/llvm-6502.git
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We currently force symbols to be globals in .thumb_set. The intent seems to be that given .thumb_set foo, bar we emit an undefined symbol to bar if it is never defined. The side effect is that we mark bar as global, even if it is defined, which gas does not. Producing an undefined reference to bar is a general difference from MC and gas. For example, given a = b gas will produce an undefined reference to b, MC will not. I would be surprised if any code depends on this, but it it does, we should fix the general difference, not special case .thumb_set. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207757 91177308-0d34-0410-b5e6-96231b3b80d8
155 lines
2.7 KiB
ArmAsm
155 lines
2.7 KiB
ArmAsm
@ RUN: llvm-mc -triple armv7-eabi -filetype obj -o - %s | llvm-readobj -t \
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@ RUN: | FileCheck %s
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@ RUN: llvm-mc -triple armv7-eabi -filetype asm -o - %s \
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@ RUN: | FileCheck --check-prefix=ASM %s
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.syntax unified
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.arm
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.type arm_func,%function
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arm_func:
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nop
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.thumb_set alias_arm_func, arm_func
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alias_arm_func2 = alias_arm_func
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alias_arm_func3 = alias_arm_func2
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@ ASM: .thumb_set alias_arm_func, arm_func
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.thumb
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.type thumb_func,%function
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.thumb_func
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thumb_func:
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nop
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.thumb_set alias_thumb_func, thumb_func
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.thumb_set seedless, 0x5eed1e55
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.thumb_set eggsalad, seedless + 0x87788358
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.thumb_set faceless, ~eggsalad + 0xe133c002
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.thumb_set alias_undefined_data, badblood
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.data
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.type badblood,%object
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badblood:
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.long 0xbadb100d
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.type bedazzle,%object
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bedazzle:
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.long 0xbeda221e
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.text
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.thumb
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.thumb_set alias_defined_data, bedazzle
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.type alpha,%function
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alpha:
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nop
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.type beta,%function
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beta:
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bkpt
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.thumb_set beta, alpha
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@ CHECK: Symbol {
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@ CHECK: Name: alias_arm_func
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@ CHECK: Value: 0x1
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alias_arm_func2
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@ CHECK: Value: 0x1
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alias_arm_func3
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@ CHECK: Value: 0x1
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alias_defined_data
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@ CHECK: Value: 0x5
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alias_thumb_func
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@ CHECK: Value: 0x5
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alias_undefined_data
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@ CHECK: Value: 0x0
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@ CHECK: Type: Object
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: alpha
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@ CHECK: Value: 0x7
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: arm_func
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@ CHECK: Value: 0x0
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: badblood
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@ CHECK-NEXT: Value: 0x0
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@ CHECK-NEXT: Size: 0
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@ CHECK-NEXT: Binding: Local
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@ CHECK-NEXT: Type: Object
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@ CHECK-NEXT: Other: 0
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@ CHECK-NEXT: Section: .data
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@ CHECK-NEXT: }
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@ CHECK: Symbol {
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@ CHECK: Name: bedazzle
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@ CHECK: Value: 0x4
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@ CHECK: Type: Object
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: beta
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@ CHECK: Value: 0x7
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: eggsalad
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@ CHECK: Value: 0xE665A1AD
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: faceless
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@ CHECK: Value: 0xFACE1E55
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: seedless
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@ CHECK: Value: 0x5EED1E55
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@ CHECK: Type: Function
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@ CHECK: }
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@ CHECK: Symbol {
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@ CHECK: Name: thumb_func
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@ CHECK: Value: 0x5
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@ CHECK: Type: Function
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@ CHECK: }
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