# REQUIRES: ppc # RUN: llvm-mc -filetype=obj -triple=powerpc %s -o %t.o # RUN: echo '.globl __tls_get_addr; __tls_get_addr:' | llvm-mc -filetype=obj -triple=powerpc - -o %tga.o # RUN: ld.lld -shared %t.o -o %t.so # RUN: llvm-readobj -r %t.so | FileCheck --check-prefix=LD-REL %s # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck --check-prefix=LD %s # RUN: ld.lld %t.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 # LD-REL: .rela.dyn { # LD-REL-NEXT: 0x202C4 R_PPC_DTPMOD32 - 0x0 # LD-REL-NEXT: } ## .got - _GLOBAL_OFFSET_TABLE_ = 0 # LD: addi 3, 30, 0 # LD-NEXT: bl 0x101f8 ## a@dtprel = st_value(a)-0x8000 = 65540-0x8000 = 65536*1-32764 ## b@dtprel = st_value(a)-0x8000 = 131080-0x8000 = 65536*2-32760 # LD-NEXT: addis 9, 3, 1 # LD-NEXT: addis 10, 3, 2 # LD-NEXT: addi 9, 9, -32764 # LD-NEXT: addi 10, 10, -32760 ## small@dtprel = st_value(small)-0x8000 = 4-0x8000 = -32764 # LD-NEXT: addi 9, 3, -32764 ## Check that b@got@tlsld does not allocate another GOT entry. ## It shares In.Got->TlsIndexOff allocated when processing a@got@tlsld. ## .got - _GLOBAL_OFFSET_TABLE_ = 0 # LD-NEXT: addi 3, 9, 0 # LD-NEXT: bl 0x101f8 ## b@dtprel = st_value(a)-0x8000 = 131080-0x8000 = 65536*2-32760 # LD-NEXT: addis 29, 3, 2 # LD-NEXT: addi 29, 29, -32760 ## When producing an executable, the LD code sequence can be relaxed to LE. ## It is the same as GD->LE. ## tpoff(_TLS_MODULE_BASE_) = 0, tpoff(a) = -8, tpoff(b) = -4 # NOREL: no relocations ## Set r3 to r2+4096 # LE: addis 3, 2, 0 # LE-NEXT: addi 3, 3, 4096 ## a@tprel = 65540-0x7000 = 65536*1-32764 ## b@tprel = 131080-0x7000 = 65536*2-32760 # LE-NEXT: addis 9, 3, 1 # LE-NEXT: addis 10, 3, 2 # LE-NEXT: addi 9, 9, -32764 # LE-NEXT: addi 10, 10, -32760 ## small@tprel = 4-0x7000 = -32764 # LE-NEXT: addi 9, 3, -32764 ## Set r3 to r2+4096 # LE-NEXT: addis 3, 2, 0 # LE-NEXT: addi 3, 3, 4096 ## b@tprel = 131080-0x7000 = 65536*2-32760 # LE-NEXT: addis 29, 3, 2 # LE-NEXT: addi 29, 29, -32760 addi 3, 30, a@got@tlsld bl __tls_get_addr(a@tlsld) addis 9, 3, a@dtprel@ha addis 10, 3, b@dtprel@ha addi 9, 9, a@dtprel@l addi 10, 10, b@dtprel@l addi 9, 3, small@dtprel addi 3, 9, b@got@tlsld bl __tls_get_addr(b@tlsld) addis 29, 3, b@dtprel@ha addi 29, 29, b@dtprel@l .section .tbss .zero 4 small: .zero 65536 a: .zero 65540 b: