26 lines
857 B
ArmAsm
26 lines
857 B
ArmAsm
@ RUN: llvm-mc -filetype=obj --triple=thumbv6m-none-eabi %s -o %t
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@ RUN: llvm-readelf -r %t | FileCheck %s --check-prefix=RELOC
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@ RUN: llvm-objdump -d --triple=thumbv6m-none-eabi %t | FileCheck %s --check-prefix=ADDEND
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.section .text._func1, "ax"
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.balign 4
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.global _func1
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.type _func1, %function
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_func1:
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adr r0, _func2
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@ RELOC: R_ARM_THM_PC8
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bx lr
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// Checking the encoding only, as the disassembly is not quite correct here.
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//00000000 <_func1>:
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// 0: a0ff adr r0, #1020 <_func1+0x103>
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// Thumb16 encoding supports only adding of the encoded immediate (not
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// subtracting, see [Arm ARM]), therefore sign change is required if the pcrel
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// offset is negative. This makes the calculation of the addend for
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// R_ARM_THM_PC8 more complex, for details see [ELF for the Arm 32-bit
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// architecture].
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@ ADDEND: a0ff adr
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