diff options
Diffstat (limited to 'test/ELF/arm-mov-relocs.s')
| -rw-r--r-- | test/ELF/arm-mov-relocs.s | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/ELF/arm-mov-relocs.s b/test/ELF/arm-mov-relocs.s new file mode 100644 index 000000000000..31ccba4cceaf --- /dev/null +++ b/test/ELF/arm-mov-relocs.s @@ -0,0 +1,94 @@ +// RUN: llvm-mc -filetype=obj -triple=armv7a-unknown-linux-gnueabi %s -o %t +// RUN: ld.lld %t -o %t2 +// RUN: llvm-objdump -d %t2 -triple=armv7a-unknown-linux-gnueabi | FileCheck %s +// RUN: llvm-mc -filetype=obj -triple=thumbv7a-unknown-linux-gnueabi %s -o %t3 +// RUN: ld.lld %t3 -o %t4 +// RUN: llvm-objdump -d %t4 -triple=thumbv7a-unknown-linux-gnueabi | FileCheck %s +// REQUIRES: arm + +// Test the R_ARM_MOVW_ABS_NC and R_ARM_MOVT_ABS relocations as well as +// the R_ARM_THM_MOVW_ABS_NC and R_ARM_THM_MOVT_ABS relocations. + .syntax unified + .globl _start +_start: + .section .R_ARM_MOVW_ABS_NC, "ax",%progbits + movw r0, :lower16:label + movw r1, :lower16:label1 + movw r2, :lower16:label2 + 4 + movw r3, :lower16:label3 + movw r4, :lower16:label3 + 4 +// CHECK: Disassembly of section .R_ARM_MOVW_ABS_NC +// CHECK: movw r0, #0 +// CHECK: movw r1, #4 +// CHECK: movw r2, #12 +// CHECK: movw r3, #65532 +// CHECK: movw r4, #0 + .section .R_ARM_MOVT_ABS, "ax",%progbits + movt r0, :upper16:label + movt r1, :upper16:label1 +// FIXME: We shouldn't need to multiply by 65536. +// arguably llvm-mc incorrectly assembles addends for +// SHT_REL relocated movt instructions. When there is a relocation +// the interpretation of the addend for SHT_REL is not shifted + movt r2, :upper16:label2 + (4 * 65536) + movt r3, :upper16:label3 +// FIXME: We shouldn't need to multiply by 65536 see comment above. + movt r4, :upper16:label3 + (4 * 65536) +// CHECK: Disassembly of section .R_ARM_MOVT_ABS +// CHECK: movt r0, #2 +// CHECK: movt r1, #2 +// CHECK: movt r2, #2 +// CHECK: movt r3, #2 +// CHECK: movt r4, #3 + +.section .R_ARM_MOVW_PREL_NC, "ax",%progbits + movw r0, :lower16:label - . + movw r1, :lower16:label1 - . + movw r2, :lower16:label2 + 4 - . + movw r3, :lower16:label3 - . + movw r4, :lower16:label3 + 0x103c - . +// 0x20000 - 0x11028 = :lower16:0xefd8 (61400) +// CHECK: 11028: {{.*}} movw r0, #61400 +// 0x20004 = 0x1102c = :lower16:0xefd8 (61400) +// CHECK: 1102c: {{.*}} movw r1, #61400 +// 0x20008 - 0x11030 + 4 = :lower16:0xefdc (61404) +// CHECK: 11030: {{.*}} movw r2, #61404 +// 0x2fffc - 0x11034 = :lower16:0x1efc8 (61384) +// CHECK: 11034: {{.*}} movw r3, #61384 +// 0x2fffc - 0x11038 +0x103c :lower16:0x20000 (0) +// CHECK: 11038: {{.*}} movw r4, #0 + +.section .R_ARM_MOVT_PREL, "ax",%progbits + movt r0, :upper16:label - . + movt r1, :upper16:label1 - . + movt r2, :upper16:label2 + 0x4 - . + movt r3, :upper16:label3 - . + movt r4, :upper16:label3 + 0x1050 - . +// 0x20000 - 0x1103c = :upper16:0xefc4 = 0 +// CHECK: 1103c: {{.*}} movt r0, #0 +// 0x20004 - 0x11040 = :upper16:0xefc0 = 0 +// CHECK: 11040: {{.*}} movt r1, #0 +// 0x20008 - 0x11044 + 4 = :upper16:0xefc8 = 0 +// CHECK: 11044: {{.*}} movt r2, #0 +// 0x2fffc - 0x11048 = :upper16:0x1efb4 = 1 +// CHECK: 11048: {{.*}} movt r3, #1 +// 0x2fffc - 0x1104c + 0x1050 = :upper16:0x20000 = 2 +// CHECK: 1104c: {{.*}} movt r4, #2 + .section .destination, "aw",%progbits + .balign 65536 +// 0x20000 +label: + .word 0 +// 0x20004 +label1: + .word 1 +// 0x20008 +label2: + .word 2 +// Test label3 is immediately below 2^16 alignment boundary + .space 65536 - 16 +// 0x2fffc +label3: + .word 3 +// label3 + 4 is on a 2^16 alignment boundary + .word 4 |