| // REQUIRES: ppc |
| |
| // RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o |
| // RUN: ld.lld -shared %t.o -o %t.so |
| // RUN: llvm-readelf -relocations --wide %t.o | FileCheck --check-prefix=InputRelocs %s |
| // RUN: llvm-readelf -relocations --wide %t.so | FileCheck --check-prefix=OutputRelocs %s |
| // RUN: llvm-objdump --section-headers %t.so | FileCheck --check-prefix=CheckGot %s |
| // RUN: llvm-objdump -D %t.so | FileCheck --check-prefix=Dis %s |
| |
| // RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o |
| // RUN: ld.lld -shared %t.o -o %t.so |
| // RUN: llvm-readelf -relocations --wide %t.o | FileCheck --check-prefix=InputRelocs %s |
| // RUN: llvm-readelf -relocations --wide %t.so | FileCheck --check-prefix=OutputRelocs %s |
| // RUN: llvm-objdump --section-headers %t.so | FileCheck --check-prefix=CheckGot %s |
| // RUN: llvm-objdump -D %t.so | FileCheck --check-prefix=Dis %s |
| |
| .text |
| .abiversion 2 |
| .globl test |
| .p2align 4 |
| .type test,@function |
| test: |
| .Lfunc_gep0: |
| addis 2, 12, .TOC.-.Lfunc_gep0@ha |
| addi 2, 2, .TOC.-.Lfunc_gep0@l |
| .Lfunc_lep0: |
| .localentry test, .Lfunc_lep0-.Lfunc_gep0 |
| mflr 0 |
| std 31, -8(1) |
| std 0, 16(1) |
| stdu 1, -48(1) |
| mr 31, 1 |
| std 30, 32(31) |
| addis 3, 2, i@got@tlsgd@ha |
| addi 3, 3, i@got@tlsgd@l |
| bl __tls_get_addr(i@tlsgd) |
| nop |
| lwz 30, 0(3) |
| extsw 3, 30 |
| ld 30, 32(31) |
| addi 1, 1, 48 |
| ld 0, 16(1) |
| ld 31, -8(1) |
| mtlr 0 |
| blr |
| |
| |
| test_hi: |
| .Lfunc_gep1: |
| addis 2, 12, .TOC.-.Lfunc_gep1@ha |
| addi 2, 2, .TOC.-.Lfunc_gep1@l |
| .Lfunc_lep1: |
| .localentry test2, .Lfunc_lep1-.Lfunc_gep1 |
| addis 3, 0, j@got@tlsgd@h |
| blr |
| |
| test_16: |
| .Lfunc_gep2: |
| addis 2, 12, .TOC.-.Lfunc_gep2@ha |
| addi 2, 2, .TOC.-.Lfunc_gep2@l |
| .Lfunc_lep2: |
| .localentry test16, .Lfunc_lep2-.Lfunc_gep2 |
| addi 3, 0, k@got@tlsgd |
| blr |
| |
| // Verify that the input has every general-dynamic tls relocation type. |
| // InputRelocs: Relocation section '.rela.text' |
| // InputRelocs: R_PPC64_GOT_TLSGD16_HA {{0+}} i + 0 |
| // InputRelocs: R_PPC64_GOT_TLSGD16_LO {{0+}} i + 0 |
| // InputRelocs: R_PPC64_TLSGD {{0+}} i + 0 |
| // InputRelocs: R_PPC64_GOT_TLSGD16_HI {{0+}} j + 0 |
| // InputRelocs: R_PPC64_GOT_TLSGD16 {{0+}} k + 0 |
| |
| // There is 2 got entries for each tls variable that is accessed with the |
| // general-dynamic model. The entries can be though of as a structure to be |
| // filled in by the dynamic linker: |
| // typedef struct { |
| // unsigned long int ti_module; --> R_PPC64_DTPMOD64 |
| // unsigned long int ti_offset; --> R_PPC64_DTPREL64 |
| //} tls_index; |
| // OutputRelocs: Relocation section '.rela.dyn' at offset 0x{{[0-9a-f]+}} contains 6 entries: |
| // OutputRelocs: R_PPC64_DTPMOD64 {{0+}} i + 0 |
| // OutputRelocs: R_PPC64_DTPREL64 {{0+}} i + 0 |
| // OutputRelocs: R_PPC64_DTPMOD64 {{0+}} j + 0 |
| // OutputRelocs: R_PPC64_DTPREL64 {{0+}} j + 0 |
| // OutputRelocs: R_PPC64_DTPMOD64 {{0+}} k + 0 |
| // OutputRelocs: R_PPC64_DTPREL64 {{0+}} k + 0 |
| |
| // Check that the got has 7 entires. (1 for the TOC and 3 structures of |
| // 2 entries for the tls variables). Also verify the address so we can check |
| // the offsets we calculated for each relocation type. |
| // CheckGot: got 00000038 00000000000200f0 |
| |
| // got starts at 0x200f0, so .TOC. will be 0x280f0. |
| |
| // We are building the address of the first tls_index in the got which starts at |
| // 0x200f8 (got[1]). |
| // #ha(i@got@tlsgd) --> (0x200f8 - 0x280f0 + 0x8000) >> 16 = 0 |
| // #lo(i@got@tlsgd) --> (0x200f8 - 0x280f0) & 0xFFFF = -7ff8 = -32760 |
| // Dis: test: |
| // Dis: addis 3, 2, 0 |
| // Dis: addi 3, 3, -32760 |
| |
| // Second tls_index starts at got[3]. |
| // #hi(j@got@tlsgd) --> (0x20108 - 0x280f0) >> 16 = -1 |
| // Dis: test_hi: |
| // Dis: lis 3, -1 |
| |
| // Third tls index is at got[5]. |
| // k@got@tlsgd --> (0x20118 - 0x280f0) = -0x7fd8 = -32728 |
| // Dis: test_16: |
| // Dis: li 3, -32728 |
