| // REQUIRES: ppc |
| // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o |
| // RUN: ld.lld %t.o -o %t |
| // RUN: llvm-readelf -r %t.o | FileCheck --check-prefix=InputRelocs %s |
| // RUN: llvm-objdump -d %t | FileCheck --check-prefix=Dis %s |
| |
| // RUN: not ld.lld -shared %t.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR |
| |
| /// Reject local-exec TLS relocations for -shared. |
| // ERR: error: relocation R_PPC64_TPREL16_HA against a cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_LO against a cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16 against b cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_HI against b cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_DS against b cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_LO_DS against b cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_HIGHESTA against b cannot be used with -shared |
| // ERR: error: relocation R_PPC64_TPREL16_HIGHERA against b cannot be used with -shared |
| |
| .text |
| .abiversion 2 |
| .globl test_local_exec # -- Begin function test_local_exec |
| .p2align 4 |
| .type test_local_exec,@function |
| test_local_exec: # @test_local_exec |
| .Lfunc_begin0: |
| # %bb.0: # %entry |
| li 3, 0 |
| stw 3, -12(1) |
| addis 3, 13, a@tprel@ha |
| addi 3, 3, a@tprel@l |
| ld 3, 0(3) |
| mr 4, 3 |
| extsw 3, 4 |
| blr |
| .long 0 |
| .quad 0 |
| .Lfunc_end0: |
| .size test_local_exec, .Lfunc_end0-.Lfunc_begin0 |
| # -- End function |
| test_tprel: |
| .Lfunc_gep1: |
| addis 2, 12, .TOC.-.Lfunc_gep1@ha |
| addi 2, 2, .TOC.-.Lfunc_gep1@l |
| .Lfunc_lep1: |
| .localentry test_tprel, .Lfunc_lep1-.Lfunc_gep1 |
| addi 3, 13, b@tprel |
| blr |
| |
| |
| test_hi: |
| .Lfunc_gep2: |
| addis 2, 12, .TOC.-.Lfunc_gep2@ha |
| addi 2, 2, .TOC.-.Lfunc_gep2@l |
| .Lfunc_lep2: |
| .localentry test_hi, .Lfunc_lep2-.Lfunc_gep2 |
| addis 3, 13, b@tprel@h |
| blr |
| |
| test_ds: |
| .Lfunc_gep3: |
| addis 2, 12, .TOC.-.Lfunc_gep3@ha |
| addi 2, 2, .TOC.-.Lfunc_gep3@l |
| .Lfunc_lep3: |
| .localentry test_ds, .Lfunc_lep3-.Lfunc_gep3 |
| ld 3, b@tprel, 13 |
| blr |
| |
| test_lo_ds: |
| .Lfunc_gep4: |
| addis 2, 12, .TOC.-.Lfunc_gep4@ha |
| addi 2, 2, .TOC.-.Lfunc_gep4@l |
| .Lfunc_lep4: |
| .localentry test_lo_ds, .Lfunc_lep4-.Lfunc_gep4 |
| ld 3, b@tprel@l, 13 |
| blr |
| |
| test_highest_a: |
| .Lfunc_gep5: |
| addis 2, 12, .TOC.-.Lfunc_gep5@ha |
| addi 2, 2, .TOC.-.Lfunc_gep5@l |
| .Lfunc_lep5: |
| .localentry test_highest_a, .Lfunc_lep5-.Lfunc_gep5 |
| lis 4, b@tprel@highesta |
| ori 4, 4, b@tprel@highera |
| lis 5, b@tprel@ha |
| addi 5, 5, b@tprel@l |
| sldi 4, 4, 32 |
| or 4, 4, 5 |
| add 3, 13, 4 |
| blr |
| |
| test_highest: |
| .Lfunc_gep6: |
| addis 2, 12, .TOC.-.Lfunc_gep6@ha |
| addi 2, 2, .TOC.-.Lfunc_gep6@l |
| .Lfunc_lep6: |
| .localentry test_highest, .Lfunc_lep6-.Lfunc_gep6 |
| lis 4, b@tprel@highest |
| ori 4, 4, b@tprel@higher |
| sldi 4, 4, 32 |
| oris 4, 4, b@tprel@h |
| ori 4, 4, b@tprel@l |
| add 3, 13, 4 |
| blr |
| |
| .type a,@object # @a |
| .type b,@object # @b |
| .section .tdata,"awT",@progbits |
| .p2align 3 |
| a: |
| .quad 55 # 0x37 |
| .size a, 8 |
| |
| b: |
| .quad 55 # 0x37 |
| .size b, 8 |
| |
| // Verify that the input has every initial-exec tls relocation type. |
| // InputRelocs: Relocation section '.rela.text' |
| // InputRelocs: R_PPC64_TPREL16_HA {{0+}} a + 0 |
| // InputRelocs: R_PPC64_TPREL16_LO {{0+}} a + 0 |
| // InputRelocs: R_PPC64_TPREL16 {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_HI {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_DS {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_LO_DS {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_HIGHESTA {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_HIGHERA {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_HIGHEST {{0+8}} b + 0 |
| // InputRelocs: R_PPC64_TPREL16_HIGHER {{0+8}} b + 0 |
| |
| // The start of the TLS storage area is 0x7000 bytes before the thread pointer (r13). |
| // We are building the address of the first TLS variable, relative to the thread pointer. |
| // #ha(a@tprel) --> (0 - 0x7000 + 0x8000) >> 16 = 0 |
| // #lo(a@tprel)) --> (0 - 0x7000) & 0xFFFF = -0x7000 = -28672 |
| // Dis: <test_local_exec>: |
| // Dis: addis 3, 13, 0 |
| // Dis: addi 3, 3, -28672 |
| |
| // We are building the offset for the second TLS variable |
| // Offset within tls storage - 0x7000 |
| // b@tprel = 8 - 0x7000 = 28664 |
| // Dis: <test_tprel>: |
| // Dis: addi 3, 13, -28664 |
| |
| // #hi(b@tprel) --> (8 - 0x7000) >> 16 = -1 |
| // Dis: <test_hi>: |
| // Dis: addis 3, 13, -1 |
| |
| // b@tprel = 8 - 0x7000 = -28664 |
| // Dis: <test_ds>: |
| // Dis: ld 3, -28664(13) |
| |
| // #lo(b@tprel) --> (8 - 0x7000) & 0xFFFF = -28664 |
| // Dis: <test_lo_ds>: |
| // Dis: ld 3, -28664(13) |
| |
| // #highesta(b@tprel) --> ((0x8 - 0x7000 + 0x8000) >> 48) & 0xFFFF = 0 |
| // #highera(b@tprel) --> ((0x8 - 0x7000 + 0x8000) >> 32) & 0xFFFF = 0 |
| // #ha(k@dtprel) --> ((0x8 - 0x7000 + 0x8000) >> 16) & 0xFFFF = 0 |
| // #lo(k@dtprel) --> ((0x8 - 0x7000) & 0xFFFF = -28664 |
| // Dis: <test_highest_a>: |
| // Dis: lis 4, 0 |
| // Dis: ori 4, 4, 0 |
| // Dis: lis 5, 0 |
| // Dis: addi 5, 5, -28664 |
| |
| // #highest(b@tprel) --> ((0x8 - 0x7000) >> 48) & 0xFFFF = 0xFFFF = -1 |
| // #higher(b@tprel) --> ((0x8 - 0x7000) >> 32) & 0xFFFF = 0xFFFF = 65535 |
| // #hi(k@dtprel) --> ((0x8 - 0x7000) >> 16) & 0xFFFF = 0xFFFF = 65535 |
| // #lo(k@dtprel) --> ((0x8 - 0x7000) & 0xFFFF = 33796 |
| // Dis: <test_highest>: |
| // Dis: lis 4, -1 |
| // Dis: ori 4, 4, 65535 |
| // Dis: oris 4, 4, 65535 |
| // Dis: ori 4, 4, 36872 |
