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89a237a2c6
This enhances the ARMAsmParser to handle .tlsdescseq directives. This is a slightly special relocation. We must be able to generate them, but not consume them in assembly. The relocation is meant to assist the linker in generating a TLS descriptor sequence. The ELF target streamer is enhanced to append additional fixups into the current segment and that is used to emit the new R_ARM_TLS_DESCSEQ relocations. llvm-svn: 200448
34 lines
862 B
ArmAsm
34 lines
862 B
ArmAsm
@ RUN: llvm-mc -triple armv7-linux-gnu -filetype obj -o - %s | llvm-readobj -r \
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@ RUN: | FileCheck %s
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@ RUN: llvm-mc -triple armv7-linux-gnu -filetype asm -o - %s \
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@ RUN: | FileCheck -check-prefix CHECK-ASM %s
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.type tlsdescseq,%function
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tlsdescseq:
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ldr r1, [pc, #8]
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1:
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.tlsdescseq variable
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add r2, pc, r1
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.tlsdescseq variable
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ldr r3, [r1, #4]
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.tlsdescseq variable
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blx r3
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2:
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.word variable(tlsdesc) + (. - 1b)
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@ CHECK: Relocations [
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@ CHECK: 0x4 R_ARM_TLS_DESCSEQ variable 0x0
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@ CHECK: 0x8 R_ARM_TLS_DESCSEQ variable 0x0
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@ CHECK: 0xC R_ARM_TLS_DESCSEQ variable 0x0
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@ CHECK: 0x10 R_ARM_TLS_GOTDESC variable 0x0
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@ CHECK: ]
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@ CHECK-ASM: ldr r1, [pc, #8]
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@ CHECK-ASM: .tlsdescseq variable
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@ CHECK-ASM: add r2, pc, r1
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@ CHECK-ASM: .tlsdescseq variable
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@ CHECK-ASM: ldr r3, [r1, #4]
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@ CHECK-ASM: .tlsdescseq variable
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@ CHECK-ASM: blx r3
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