70 lines
2.8 KiB
ArmAsm
70 lines
2.8 KiB
ArmAsm
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# REQUIRES: loongarch
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# RUN: rm -rf %t && split-file %s %t
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# RUN: llvm-mc --filetype=obj --triple=loongarch64-unknown-elf %t/a.s -o %t/a.o
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# RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x60020 -o %t/exe1
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# RUN: llvm-objdump --no-show-raw-insn -d %t/exe1 | FileCheck --match-full-lines %s --check-prefix=EXE1
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## hi20 = target - pc + (1 << 17) >> 18 = 0x60020 - 0x20010 + 0x20000 >> 18 = 1
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## lo18 = target - pc & (1 << 18) - 1 = 0x60020 - 0x20010 & 0x3ffff = 16
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# EXE1: 20010: pcaddu18i $t0, 1
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# EXE1-NEXT: 20014: jirl $zero, $t0, 16
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# RUN: ld.lld %t/a.o --section-start=.text=0x20010 --section-start=.sec.foo=0x40020 -o %t/exe2
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# RUN: llvm-objdump --no-show-raw-insn -d %t/exe2 | FileCheck --match-full-lines %s --check-prefix=EXE2
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## hi20 = target - pc + (1 << 17) >> 18 = 0x40020 - 0x20010 + 0x20000 >> 18 = 1
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## lo18 = target - pc & (1 << 18) - 1 = 0x40020 - 0x20010 & 0x3ffff = -131056
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# EXE2: 20010: pcaddu18i $t0, 1
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# EXE2-NEXT: 20014: jirl $zero, $t0, -131056
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# RUN: ld.lld %t/a.o -shared -T %t/a.t -o %t/a.so
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# RUN: llvm-readelf -x .got.plt %t/a.so | FileCheck --check-prefix=GOTPLT %s
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# RUN: llvm-objdump -d --no-show-raw-insn %t/a.so | FileCheck --check-prefix=SO %s
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## PLT should be present in this case.
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# SO: Disassembly of section .plt:
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# SO: <.plt>:
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## foo@plt:
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# SO: 1234520: pcaddu12i $t3, 64{{$}}
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# SO-NEXT: ld.d $t3, $t3, 544{{$}}
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# SO-NEXT: jirl $t1, $t3, 0
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# SO-NEXT: nop
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# SO: Disassembly of section .text:
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# SO: <_start>:
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## hi20 = foo@plt - pc + (1 << 17) >> 18 = 0x1234520 - 0x1274670 + 0x20000 >> 18 = -1
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## lo18 = foo@plt - pc & (1 << 18) - 1 = 0x1234520 - 0x1274670 & 0x3ffff = -336
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# SO-NEXT: pcaddu18i $t0, -1{{$}}
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# SO-NEXT: jirl $zero, $t0, -336{{$}}
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# GOTPLT: section '.got.plt':
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# GOTPLT-NEXT: 0x01274730 00000000 00000000 00000000 00000000
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# GOTPLT-NEXT: 0x01274740 00452301 00000000
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# RUN: not ld.lld %t/a.o --section-start=.text=0x20000 --section-start=.sec.foo=0x2000020000 -o /dev/null 2>&1 | \
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# RUN: FileCheck -DFILE=%t/a.o --check-prefix=ERROR-RANGE %s
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# ERROR-RANGE: error: [[FILE]]:(.text+0x0): relocation R_LARCH_CALL36 out of range: 137438953472 is not in [-137439084544, 137438822399]; references 'foo'
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## Impossible case in reality becasue all LoongArch instructions are fixed 4-bytes long.
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# RUN: not ld.lld %t/a.o --section-start=.text=0x20000 --section-start=.sec.foo=0x40001 -o /dev/null 2>&1 | \
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# RUN: FileCheck -DFILE=%t/a.o --check-prefix=ERROR-ALIGN %s
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# ERROR-ALIGN: error: [[FILE]]:(.text+0x0): improper alignment for relocation R_LARCH_CALL36: 0x20001 is not aligned to 4 bytes
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#--- a.t
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SECTIONS {
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.plt 0x1234500: { *(.plt) }
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.text 0x1274670: { *(.text) }
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}
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#--- a.s
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.text
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.global _start
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_start:
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.reloc ., R_LARCH_CALL36, foo
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pcaddu18i $t0, 0
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jirl $zero, $t0, 0
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.section .sec.foo,"awx"
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.global foo
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foo:
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ret
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