# REQUIRES: loongarch # RUN: rm -rf %t && split-file %s %t # RUN: llvm-mc --filetype=obj --triple=loongarch32-unknown-elf %t/a.s -o %t/a.o # RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x21020 -o %t/exe1 # RUN: llvm-objdump --no-show-raw-insn -d %t/exe1 | FileCheck --match-full-lines %s --check-prefix=EXE1 ## hi20 = target - pc >> 12 = 0x21020 - 0x20010 >> 12 = 1 ## lo12 = target - pc & (1 << 12) - 1 = 0x21020 - 0x20010 & 0xfff = 16 # EXE1: 20010: pcaddu12i $t0, 1 # EXE1-NEXT: 20014: jirl $zero, $t0, 16 # RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x21820 -o %t/exe2 # RUN: llvm-objdump --no-show-raw-insn -d %t/exe2 | FileCheck --match-full-lines %s --check-prefix=EXE2 ## hi20 = target - pc >> 12 = 0x21820 - 0x20010 >> 12 = 1 ## lo12 = target - pc & (1 << 12) - 1 = 0x21820 - 0x20010 & 0xfff = 2064 # EXE2: 20010: pcaddu12i $t0, 1 # EXE2-NEXT: 20014: jirl $zero, $t0, 2064 # RUN: ld.lld %t/a.o -shared -T %t/a.t -o %t/a.so # RUN: llvm-readelf -x .got.plt %t/a.so | FileCheck --check-prefix=GOTPLT %s # RUN: llvm-objdump -d --no-show-raw-insn %t/a.so | FileCheck --check-prefix=SO %s ## PLT should be present in this case. # SO: Disassembly of section .plt: # SO: <.plt>: ## foo@plt: # SO: 1234520: pcaddu12i $t3, 64{{$}} # SO-NEXT: ld.w $t3, $t3, 444{{$}} # SO-NEXT: jirl $t1, $t3, 0 # SO-NEXT: nop # SO: Disassembly of section .text: # SO: <_start>: ## hi20 = foo@plt - pc >> 12 = 0x1234520 - 0x1274670 >> 12 = -65 ## lo18 = foo@plt - pc & (1 << 12) - 1 = 0x1234520 - 0x1274670 & 0xfff = 3760 # SO-NEXT: pcaddu12i $t0, -65{{$}} # SO-NEXT: jirl $zero, $t0, 3760{{$}} # GOTPLT: section '.got.plt': # GOTPLT-NEXT: 0x012746d4 00000000 00000000 00452301 ## Impossible case in reality becasue all LoongArch instructions are fixed 4-bytes long. # RUN: not ld.lld %t/a.o --section-start=.text=0x20000 --section-start=.sec.foo=0x40001 -o /dev/null 2>&1 | \ # RUN: FileCheck -DFILE=%t/a.o --check-prefix=ERROR-ALIGN %s # ERROR-ALIGN: error: [[FILE]]:(.text+0x0): improper alignment for relocation R_LARCH_CALL30: 0x20001 is not aligned to 4 bytes #--- a.t SECTIONS { .plt 0x1234500: { *(.plt) } .text 0x1274670: { *(.text) } } #--- a.s .text .global _start _start: .reloc ., R_LARCH_CALL30, foo pcaddu12i $t0, 0 jirl $zero, $t0, 0 .section .sec.foo,"awx" .global foo foo: ret