ELF_loongarch32_relocations.s | Explore in Territory

# RUN: rm -rf %t && mkdir -p %t
# RUN: llvm-mc --triple=loongarch32 --filetype=obj -o %t/elf_reloc.o %s
# RUN: llvm-jitlink --noexec \
# RUN:              --abs external_data=0xdeadbeef \
# RUN:              --abs external_func=0xcafef00d \
# RUN:              --check %s %t/elf_reloc.o
    .text

    .globl main
    .p2align 2
    .type main,@function
main:
    ret

    .size main, .-main

## Check R_LARCH_B26 relocation of a local function call.

# jitlink-check: decode_operand(local_func_call26, 0)[27:0] = \
# jitlink-check:   (local_func - local_func_call26)[27:0]
# jitlink-check: decode_operand(local_func_jump26, 0)[27:0] = \
# jitlink-check:   (local_func - local_func_jump26)[27:0]
    .globl local_func
    .p2align 2
    .type local_func,@function
local_func:
    ret
    .size local_func, .-local_func

    .globl local_func_call26
    .p2align 2
local_func_call26:
    bl local_func
    .size local_func_call26, .-local_func_call26

    .globl local_func_jump26
    .p2align 2
local_func_jump26:
    b local_func
    .size local_func_jump26, .-local_func_jump26

## Check R_LARCH_PCALA_HI20 / R_LARCH_PCALA_LO12 relocation of a local symbol.

# jitlink-check: decode_operand(test_pcalau12i_pcrel, 1)[19:0] = \
# jitlink-check:   (named_data - test_pcalau12i_pcrel)[31:12] + \
# jitlink-check:      named_data[11:11]
# jitlink-check: decode_operand(test_addi_pcrel_lo12, 2)[11:0] = \
# jitlink-check:   (named_data)[11:0]
    .globl test_pcalau12i_pcrel
    .p2align 2
test_pcalau12i_pcrel:
    pcalau12i $a0, %pc_hi20(named_data)
    .size test_pcalau12i_pcrel, .-test_pcalau12i_pcrel

    .globl test_addi_pcrel_lo12
    .p2align 2
test_addi_pcrel_lo12:
    addi.w $a0, $a0, %pc_lo12(named_data)
    .size test_addi_pcrel_lo12, .-test_addi_pcrel_lo12

## Check that calls/jumps to external functions trigger the generation of stubs
## and GOT entries.

# jitlink-check: *{4}(got_addr(elf_reloc.o, external_func)) = external_func
# jitlink-check: decode_operand(test_external_call, 0) = \
# jitlink-check:   (stub_addr(elf_reloc.o, external_func) - \
# jitlink-check:      test_external_call)[27:0]
# jitlink-check: decode_operand(test_external_jump, 0) = \
# jitlink-check:   (stub_addr(elf_reloc.o, external_func) - \
# jitlink-check:      test_external_jump)[27:0]
    .globl test_external_call
    .p2align  2
test_external_call:
    bl external_func
    .size test_external_call, .-test_external_call

    .globl test_external_jump
    .p2align 2
test_external_jump:
    b external_func
    .size test_external_jump, .-test_external_jump

## Check R_LARCH_GOT_PC_HI20 / R_LARCH_GOT_PC_LO12 handling with a reference to
## an external symbol. Validate both the reference to the GOT entry, and also
## the content of the GOT entry.

# jitlink-check: *{4}(got_addr(elf_reloc.o, external_data)) = external_data
# jitlink-check: decode_operand(test_gotpage_external, 1)[19:0] = \
# jitlink-check:   (got_addr(elf_reloc.o, external_data)[31:12] - \
# jitlink-check:      test_gotpage_external[31:12] + \
# jitlink-check:      got_addr(elf_reloc.o, external_data)[11:11])[19:0]
# jitlink-check: decode_operand(test_gotoffset12_external, 2)[11:0] = \
# jitlink-check:   got_addr(elf_reloc.o, external_data)[11:0]
    .globl test_gotpage_external
    .p2align 2
test_gotpage_external:
    pcalau12i $a0, %got_pc_hi20(external_data)
    .size test_gotpage_external, .-test_gotpage_external

    .globl test_gotoffset12_external
    .p2align 2
test_gotoffset12_external:
    ld.w $a0, $a0, %got_pc_lo12(external_data)
    .size test_gotoffset12_external, .-test_gotoffset12_external


    .globl named_data
    .p2align 4
    .type named_data,@object
named_data:
    .quad 0x2222222222222222
    .quad 0x3333333333333333
    .size named_data, .-named_data
llvm/llvm/test/ExecutionEngine/JITLink/LoongArch/ELF_loongarch32_relocations.s
