forked from OSchip/llvm-project
129 lines
4.5 KiB
ArmAsm
129 lines
4.5 KiB
ArmAsm
// 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 0, 16(1)
|
|
stdu 1, -32(1)
|
|
addis 3, 2, i@got@tlsld@ha
|
|
addi 3, 3, i@got@tlsld@l
|
|
bl __tls_get_addr(i@tlsld)
|
|
nop
|
|
addis 3, 3, i@dtprel@ha
|
|
lwa 3, i@dtprel@l(3)
|
|
ld 0, 16(1)
|
|
mtlr 0
|
|
blr
|
|
|
|
.globl test_hi
|
|
.p2align 4
|
|
.type test_hi,@function
|
|
test_hi:
|
|
lis 3, j@got@tlsld@h
|
|
blr
|
|
|
|
.globl test_16
|
|
.p2align 4
|
|
.type test_16,@function
|
|
test_16:
|
|
li 3, k@got@tlsld
|
|
blr
|
|
|
|
.type i,@object
|
|
.section .tdata,"awT",@progbits
|
|
.p2align 2
|
|
i:
|
|
.long 55
|
|
.size i, 4
|
|
|
|
.type j,@object
|
|
.section .tbss,"awT",@nobits
|
|
.p2align 2
|
|
j:
|
|
.long 0
|
|
.size j, 4
|
|
|
|
.type k,@object
|
|
.section .tdata,"awT",@progbits
|
|
.p2align 3
|
|
k:
|
|
.quad 66
|
|
.size k, 8
|
|
|
|
// Verify that the input contains all the R_PPC64_GOT_TLSLD16* relocations, as
|
|
// well as the DTPREL relocations used in a typical medium code model
|
|
// local-dynamic variable access.
|
|
// InputRelocs: Relocation section '.rela.text'
|
|
// InputRelocs: R_PPC64_GOT_TLSLD16_HA {{[0-9a-f]+}} i + 0
|
|
// InputRelocs: R_PPC64_GOT_TLSLD16_LO {{[0-9a-f]+}} i + 0
|
|
// InputRelocs: R_PPC64_TLSLD {{[0-9a-f]+}} i + 0
|
|
// InputRelocs: R_PPC64_DTPREL16_HA {{[0-9a-f]+}} i + 0
|
|
// InputRelocs: R_PPC64_DTPREL16_LO_DS {{[0-9a-f]+}} i + 0
|
|
// InputRelocs: R_PPC64_GOT_TLSLD16_HI {{[0-9a-f]+}} j + 0
|
|
// InputRelocs: R_PPC64_GOT_TLSLD16 {{[0-9a-f]+}} k + 0
|
|
|
|
// The local dynamic version of tls needs to use the same mechanism to look up
|
|
// a variables address as general-dynamic. ie a call to __tls_get_addr with the
|
|
// address of a tls_index struct as the argument. However for local-dynamic
|
|
// variables all will have the same ti_module, and the offset field is left as
|
|
// as 0, so the same struct can be used for every local-dynamic variable
|
|
// used in the shared-object.
|
|
// OutputRelocs: Relocation section '.rela.dyn' at offset 0x{{[0-9a-f]+}} contains 1 entries:
|
|
// OutputRelocs-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
|
|
// OutputRelocs-NEXT: R_PPC64_DTPMOD64
|
|
|
|
// Check that the got has 3 entries, 1 for the TOC and 1 stucture of 2 entries
|
|
// for the tls variables. Also verify the address so we can check the offsets
|
|
// we calculate for each relocation type.
|
|
// CheckGot: got 00000018 0000000000020100
|
|
|
|
// got starts at 0x20100 so .TOC. will be 0x28100, and the tls_index struct is
|
|
// at 0x20108.
|
|
|
|
// #ha(i@got@tlsld) --> (0x20108 - 0x28100 + 0x8000) >> 16 = 0
|
|
// #lo(i@got@tlsld) --> (0x20108 - 0x28100) = -7ff8 = -32760
|
|
// When calculating offset relative to the dynamic thread pointer we have to
|
|
// adjust by 0x8000 since each DTV pointer points 0x8000 bytes past the start of
|
|
// its TLS block.
|
|
// #ha(i@dtprel) --> (0x0 -0x8000 + 0x8000) >> 16 = 0
|
|
// #lo(i@dtprel) --> (0x0 -0x8000) = -0x8000 = -32768
|
|
// Dis: test:
|
|
// Dis: addis 3, 2, 0
|
|
// Dis-NEXT: addi 3, 3, -32760
|
|
// Dis-NEXT: bl .+67108804
|
|
// Dis-NEXT: ld 2, 24(1)
|
|
// Dis-NEXT: addis 3, 3, 0
|
|
// Dis-NEXT: lwa 3, -32768(3)
|
|
|
|
|
|
// #hi(j@got@tlsld) --> (0x20108 - 0x28100 ) > 16 = -1
|
|
// Dis: test_hi:
|
|
// Dis: lis 3, -1
|
|
|
|
// k@got@tlsld --> (0x20108 - 0x28100) = -7ff8 = -32760
|
|
// Dis: test_16:
|
|
// Dis: li 3, -32760
|