# REQUIRES: ppc # RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o # RUN: echo '.tbss; .globl b, c; b: .zero 4; c:' | llvm-mc -filetype=obj -triple=powerpc - -o %t1.o # RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so # RUN: echo '.globl __tls_get_addr; __tls_get_addr:' | llvm-mc -filetype=obj -triple=powerpc - -o %tga.o # RUN: ld.lld -shared %t.o %t1.o -o %t.so # RUN: llvm-readobj -d %t.so | FileCheck --check-prefix=GD-DYN %s # RUN: llvm-readobj -r %t.so | FileCheck --check-prefix=GD-REL %s # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s # RUN: ld.lld %t.o %t1.o %tga.o -o %t # RUN: llvm-readelf -r %t | FileCheck --check-prefix=NOREL %s # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=LE %s # RUN: ld.lld %t.o %t1.so -o %t # RUN: llvm-readobj -r %t | FileCheck --check-prefix=IE-REL %s # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=IE %s ## DT_PPC_GOT represents the address of _GLOBAL_OFFSET_TABLE_. # GD-DYN: PPC_GOT 0x20358 # GD-REL: .rela.dyn { # GD-REL-NEXT: 0x20358 R_PPC_DTPMOD32 a 0x0 # GD-REL-NEXT: 0x2035C R_PPC_DTPREL32 a 0x0 # GD-REL-NEXT: 0x20360 R_PPC_DTPMOD32 b 0x0 # GD-REL-NEXT: 0x20364 R_PPC_DTPREL32 b 0x0 # GD-REL-NEXT: 0x20368 R_PPC_DTPMOD32 c 0x0 # GD-REL-NEXT: 0x2036C R_PPC_DTPREL32 c 0x0 # GD-REL-NEXT: } ## &DTPMOD(a) - _GLOBAL_OFFSET_TABLE_ = 0x20078 - 0x20078 = 0 # GD: addi 3, 31, 0 # GD-NEXT: bl 0x1028c # GD-NEXT: lwz 3, 0(3) ## &DTPMOD(b) - _GLOBAL_OFFSET_TABLE_ = 0x20080 - 0x20078 = 8 # GD-NEXT: addi 3, 31, 8 # GD-NEXT: bl 0x1028c # GD-NEXT: lwz 3, 0(3) ## &DTPMOD(c) - _GLOBAL_OFFSET_TABLE_ = 0x20088 - 0x20078 = 16 # GD-NEXT: addi 3, 9, 16 # GD-NEXT: bl 0x1028c # GD-NEXT: lwz 3, 0(3) # NOREL: no relocations ## a@tprel = 8-0x7000 = -28664 # LE: addis 3, 2, 0 # LE-NEXT: addi 3, 3, -28664 # LE-NEXT: lwz 3, 0(3) ## b@tprel = 12-0x7000 = -28660 # LE-NEXT: addis 3, 2, 0 # LE-NEXT: addi 3, 3, -28660 # LE-NEXT: lwz 3, 0(3) ## c@tprel = 16-0x7000 = -28656 # LE-NEXT: addis 3, 2, 0 # LE-NEXT: addi 3, 3, -28656 # LE-NEXT: lwz 3, 0(3) # IE-REL: .rela.dyn { # IE-REL-NEXT: 0x10020274 R_PPC_TPREL32 b 0x0 # IE-REL-NEXT: 0x10020278 R_PPC_TPREL32 c 0x0 # IE-REL-NEXT: } ## a is relaxed to use LE. ## a@tprel = st_value(a)-0x8000 = -28664 # IE: addis 3, 2, 0 # IE-NEXT: addi 3, 3, -28664 # IE-NEXT: lwz 3, 0(3) ## &.got[0] - _GLOBAL_OFFSET_TABLE_ = 0 # IE-NEXT: lwz 3, 0(31) # IE-NEXT: add 3, 3, 2 # IE-NEXT: lwz 3, 0(3) ## &.got[1] - _GLOBAL_OFFSET_TABLE_ = 4 # IE-NEXT: lwz 3, 4(9) # IE-NEXT: add 3, 3, 2 # IE-NEXT: lwz 3, 0(3) addi 3, 31, a@got@tlsgd bl __tls_get_addr(a@tlsgd) lwz 3, 0(3) addi 3, 31, b@got@tlsgd bl __tls_get_addr(b@tlsgd) lwz 3, 0(3) ## -fpic may use a different register (e.g. r9). addi 3, 9, c@got@tlsgd bl __tls_get_addr(c@tlsgd) lwz 3, 0(3) .section .tbss .globl a .zero 8 a: .zero 4