forked from OSchip/llvm-project
95 lines
3.1 KiB
ArmAsm
95 lines
3.1 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple=armv7a-unknown-linux-gnueabi %s -o %t
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// RUN: ld.lld %t -o %t2
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// RUN: llvm-objdump -d %t2 -triple=armv7a-unknown-linux-gnueabi | FileCheck %s
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// RUN: llvm-mc -filetype=obj -triple=thumbv7a-unknown-linux-gnueabi %s -o %t3
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// RUN: ld.lld %t3 -o %t4
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// RUN: llvm-objdump -d %t4 -triple=thumbv7a-unknown-linux-gnueabi | FileCheck %s
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// REQUIRES: arm
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// Test the R_ARM_MOVW_ABS_NC and R_ARM_MOVT_ABS relocations as well as
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// the R_ARM_THM_MOVW_ABS_NC and R_ARM_THM_MOVT_ABS relocations.
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.syntax unified
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.globl _start
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_start:
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.section .R_ARM_MOVW_ABS_NC, "ax",%progbits
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movw r0, :lower16:label
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movw r1, :lower16:label1
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movw r2, :lower16:label2 + 4
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movw r3, :lower16:label3
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movw r4, :lower16:label3 + 4
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// CHECK: Disassembly of section .R_ARM_MOVW_ABS_NC
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// CHECK: movw r0, #0
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// CHECK: movw r1, #4
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// CHECK: movw r2, #12
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// CHECK: movw r3, #65532
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// CHECK: movw r4, #0
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.section .R_ARM_MOVT_ABS, "ax",%progbits
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movt r0, :upper16:label
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movt r1, :upper16:label1
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// FIXME: We shouldn't need to multiply by 65536.
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// arguably llvm-mc incorrectly assembles addends for
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// SHT_REL relocated movt instructions. When there is a relocation
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// the interpretation of the addend for SHT_REL is not shifted
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movt r2, :upper16:label2 + (4 * 65536)
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movt r3, :upper16:label3
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// FIXME: We shouldn't need to multiply by 65536 see comment above.
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movt r4, :upper16:label3 + (4 * 65536)
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// CHECK: Disassembly of section .R_ARM_MOVT_ABS
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// CHECK: movt r0, #2
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// CHECK: movt r1, #2
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// CHECK: movt r2, #2
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// CHECK: movt r3, #2
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// CHECK: movt r4, #3
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.section .R_ARM_MOVW_PREL_NC, "ax",%progbits
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movw r0, :lower16:label - .
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movw r1, :lower16:label1 - .
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movw r2, :lower16:label2 + 4 - .
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movw r3, :lower16:label3 - .
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movw r4, :lower16:label3 + 0x103c - .
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// 0x20000 - 0x11028 = :lower16:0xefd8 (61400)
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// CHECK: 11028: {{.*}} movw r0, #61400
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// 0x20004 = 0x1102c = :lower16:0xefd8 (61400)
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// CHECK: 1102c: {{.*}} movw r1, #61400
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// 0x20008 - 0x11030 + 4 = :lower16:0xefdc (61404)
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// CHECK: 11030: {{.*}} movw r2, #61404
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// 0x2fffc - 0x11034 = :lower16:0x1efc8 (61384)
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// CHECK: 11034: {{.*}} movw r3, #61384
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// 0x2fffc - 0x11038 +0x103c :lower16:0x20000 (0)
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// CHECK: 11038: {{.*}} movw r4, #0
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.section .R_ARM_MOVT_PREL, "ax",%progbits
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movt r0, :upper16:label - .
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movt r1, :upper16:label1 - .
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movt r2, :upper16:label2 + 0x4 - .
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movt r3, :upper16:label3 - .
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movt r4, :upper16:label3 + 0x1050 - .
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// 0x20000 - 0x1103c = :upper16:0xefc4 = 0
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// CHECK: 1103c: {{.*}} movt r0, #0
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// 0x20004 - 0x11040 = :upper16:0xefc0 = 0
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// CHECK: 11040: {{.*}} movt r1, #0
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// 0x20008 - 0x11044 + 4 = :upper16:0xefc8 = 0
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// CHECK: 11044: {{.*}} movt r2, #0
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// 0x2fffc - 0x11048 = :upper16:0x1efb4 = 1
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// CHECK: 11048: {{.*}} movt r3, #1
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// 0x2fffc - 0x1104c + 0x1050 = :upper16:0x20000 = 2
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// CHECK: 1104c: {{.*}} movt r4, #2
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.section .destination, "aw",%progbits
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.balign 65536
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// 0x20000
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label:
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.word 0
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// 0x20004
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label1:
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.word 1
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// 0x20008
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label2:
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.word 2
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// Test label3 is immediately below 2^16 alignment boundary
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.space 65536 - 16
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// 0x2fffc
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label3:
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.word 3
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// label3 + 4 is on a 2^16 alignment boundary
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.word 4
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