| # REQUIRES: loongarch |
| |
| # RUN: rm -rf %t && split-file %s %t |
| # RUN: llvm-mc --filetype=obj --triple=loongarch64-unknown-elf %t/a.s -o %t/a.o |
| |
| # RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x60020 -o %t/exe1 |
| # RUN: llvm-objdump --no-show-raw-insn -d %t/exe1 | FileCheck --match-full-lines %s --check-prefix=EXE1 |
| ## hi20 = target - pc + (1 << 17) >> 18 = 0x60020 - 0x20010 + 0x20000 >> 18 = 1 |
| ## lo18 = target - pc & (1 << 18) - 1 = 0x60020 - 0x20010 & 0x3ffff = 16 |
| # EXE1: 20010: pcaddu18i $t0, 1 |
| # EXE1-NEXT: 20014: jirl $zero, $t0, 16 |
| |
| # RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x40020 -o %t/exe2 |
| # RUN: llvm-objdump --no-show-raw-insn -d %t/exe2 | FileCheck --match-full-lines %s --check-prefix=EXE2 |
| ## hi20 = target - pc + (1 << 17) >> 18 = 0x40020 - 0x20010 + 0x20000 >> 18 = 1 |
| ## lo18 = target - pc & (1 << 18) - 1 = 0x40020 - 0x20010 & 0x3ffff = -131056 |
| # EXE2: 20010: pcaddu18i $t0, 1 |
| # EXE2-NEXT: 20014: jirl $zero, $t0, -131056 |
| |
| # 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.d $t3, $t3, 544{{$}} |
| # SO-NEXT: jirl $t1, $t3, 0 |
| # SO-NEXT: nop |
| |
| # SO: Disassembly of section .text: |
| # SO: <_start>: |
| ## hi20 = foo@plt - pc + (1 << 17) >> 18 = 0x1234520 - 0x1274670 + 0x20000 >> 18 = -1 |
| ## lo18 = foo@plt - pc & (1 << 18) - 1 = 0x1234520 - 0x1274670 & 0x3ffff = -336 |
| # SO-NEXT: pcaddu18i $t0, -1{{$}} |
| # SO-NEXT: jirl $zero, $t0, -336{{$}} |
| |
| # GOTPLT: section '.got.plt': |
| # GOTPLT-NEXT: 0x01274730 00000000 00000000 00000000 00000000 |
| # GOTPLT-NEXT: 0x01274740 00452301 00000000 |
| |
| # RUN: not ld.lld %t/a.o --section-start=.text=0x20000 --section-start=.sec.foo=0x2000020000 -o /dev/null 2>&1 | \ |
| # RUN: FileCheck -DFILE=%t/a.o --check-prefix=ERROR-RANGE %s |
| # ERROR-RANGE: error: [[FILE]]:(.text+0x0): relocation R_LARCH_CALL36 out of range: 137438953472 is not in [-137439084544, 137438822399]; references 'foo' |
| |
| ## 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_CALL36: 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_CALL36, foo |
| pcaddu18i $t0, 0 |
| jirl $zero, $t0, 0 |
| |
| .section .sec.foo,"awx" |
| .global foo |
| foo: |
| ret |