forked from OSchip/llvm-project
39 lines
1.1 KiB
ArmAsm
39 lines
1.1 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t
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// RUN: ld.lld %t -o %t2
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// RUN: llvm-objdump -triple=thumbv7a-none-linux-gnueabi -d %t2 | FileCheck %s
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// Check that the ARM ABI rules for undefined weak symbols are applied.
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// Branch instructions are resolved to the next instruction. Relative
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// relocations are resolved to the place.
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.syntax unified
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.weak target
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.text
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.global _start
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_start:
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// R_ARM_THM_JUMP19
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beq.w target
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// R_ARM_THM_JUMP24
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b.w target
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// R_ARM_THM_CALL
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bl target
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// R_ARM_THM_CALL with exchange
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blx target
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// R_ARM_THM_MOVT_PREL
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movt r0, :upper16:target - .
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// R_ARM_THM_MOVW_PREL_NC
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movw r0, :lower16:target - .
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// CHECK: Disassembly of section .text:
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// CHECK-EMPTY:
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// CHECK: 110b4: {{.*}} beq.w #0 <_start+0x4>
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// CHECK-NEXT: 110b8: {{.*}} b.w #0 <_start+0x8>
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// CHECK-NEXT: 110bc: {{.*}} bl #0
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// blx is transformed into bl so we don't change state
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// CHECK-NEXT: 110c0: {{.*}} bl #0
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// CHECK-NEXT: 110c4: {{.*}} movt r0, #0
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// CHECK-NEXT: 110c8: {{.*}} movw r0, #0
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