blob: 66dab936575fe0930d418e90bce8dba49669a8e0 [file] [log] [blame]
// 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