hanchenye-llvm-project/lld/test/elf2/aarch64-relocs.s

47 lines
1.1 KiB
ArmAsm

# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %s -o %t
# RUN: ld.lld2 %t -o %t2
# RUN: llvm-objdump -d %t2 | FileCheck %s
# REQUIRES: aarch64
.section .R_AARCH64_ADR_PREL_LO21,"ax",@progbits
.globl _start
_start:
adr x1,msg
msg: .asciz "Hello, world\n"
msgend:
# CHECK: Disassembly of section .R_AARCH64_ADR_PREL_LO21:
# CHECK: _start:
# CHECK: 0: 21 00 00 10 adr x1, #4
# CHECK: msg:
# CHECK: 4:
# #4 is the adr immediate value.
.section .R_AARCH64_ADR_PREL_PG_H121,"ax",@progbits
adrp x1,mystr
mystr:
.asciz "blah"
.size mystr, 4
# S = 0x11012, A = 0x4, P = 0x11012
# PAGE(S + A) = 0x11000
# PAGE(P) = 0x11000
#
# CHECK: Disassembly of section .R_AARCH64_ADR_PREL_PG_H121:
# CHECK-NEXT: $x.2:
# CHECK-NEXT: 11012: 01 00 00 90 adrp x1, #0
.section .R_AARCH64_ADD_ABS_LO12_NC,"ax",@progbits
add x0, x0, :lo12:.L.str
.L.str:
.asciz "blah"
.size mystr, 4
# S = 0x1101b, A = 0x4
# R = (S + A) & 0xFFF = 0x1f
# R << 10 = 0x7c00
#
# CHECK: Disassembly of section .R_AARCH64_ADD_ABS_LO12_NC:
# CHECK-NEXT: $x.4:
# CHECK-NEXT: 1101b: 00 7c 00 91 add x0, x0, #31