# REQUIRES: x86 # RUN: split-file %s %t # RUN: llvm-mc -filetype=obj -triple=x86_64 %t/a.s -o %t/a.o # RUN: ld.lld -T %t/lds1 %t/a.o -o %t/bin # RUN: llvm-objdump -d %t/bin | FileCheck --check-prefix=DISASM %s # RUN: llvm-readelf -S %t/bin | FileCheck --check-prefixes=GOT %s # RUN: ld.lld -T %t/lds2 %t/a.o -o %t/bin2 # RUN: llvm-objdump -d %t/bin2 | FileCheck --check-prefix=DISASM %s # RUN: llvm-readelf -S %t/bin2 | FileCheck --check-prefixes=GOT %s # RUN: ld.lld -T %t/lds3 %t/a.o -o %t/bin3 # RUN: llvm-readelf -S %t/bin3 | FileCheck --check-prefixes=UNNECESSARY-GOT %s # RUN: ld.lld -T %t/lds4 %t/a.o -o %t/bin4 # RUN: llvm-objdump -d %t/bin4 | FileCheck --check-prefix=DISASM4 %s # DISASM: <_foo>: # DISASM-NEXT: movl 0x1ffffa(%rip), %eax # DISASM-NEXT: addq 0x1ffffb(%rip), %rax # DISASM-NEXT: addq $0x7fffffff, %rax # DISASM: <_start>: # DISASM-NEXT: movl 0x10000a(%rip), %eax # DISASM-NEXT: movq 0x100003(%rip), %rax # DISASM-NEXT: leaq 0x7ffffff9(%rip), %rax # DISASM-NEXT: leal 0x7ffffff3(%rip), %eax # DISASM4: <_foo>: # DISASM4-NEXT: leal 0x7fffeffa(%rip), %eax # DISASM4-NEXT: addq 0x1ff3(%rip), %rax # DISASM4-NEXT: addq $0x7fffffff, %rax # In our implementation, .got is retained even if all GOT-generating relocations are optimized. # Make sure .got still exists with the right size. # UNNECESSARY-GOT: .got PROGBITS 0000000000300000 101020 000000 00 WA 0 0 8 # GOT: .got PROGBITS 0000000000300000 102000 000018 00 WA 0 0 8 #--- a.s .section .text.foo,"ax" .globl _foo .type _foo, @function _foo: movl __start_data@GOTPCREL(%rip), %eax # out of range addq foo_1@GOTPCREL(%rip), %rax # out of range addq foo@GOTPCREL(%rip), %rax # in range .section .text,"ax" .globl _start .type _start, @function _start: movl __stop_data@GOTPCREL(%rip), %eax # out of range movq __stop_data@GOTPCREL(%rip), %rax # out of range movq __stop_data@GOTPCREL(%rip), %rax # in range movl __stop_data@GOTPCREL(%rip), %eax # in range .section foo,"aw",@progbits .space 1 foo_1: .space 1 .section data,"aw",@progbits .space 13 #--- lds1 SECTIONS { .text.foo 0x100000 : { *(.text.foo) } .text 0x200000 : { *(.text) } .got 0x300000 : { *(.got) } foo 0x7fffffff : { *(foo) } data 0x80200000 : { *(data) } } #--- lds2 SECTIONS { .text.foo 0x100000 : { *(.text.foo) } .text 0x1ff000 : { . = . + 0x1000 ; *(.text) } .got 0x300000 : { *(.got) } foo 0x7fffffff : { *(foo) } data 0x80200000 : { *(data) } } #--- lds3 SECTIONS { .text.foo 0x100000 : { *(.text.foo) } .text 0x200000 : { *(.text) } .got 0x300000 : { *(.got) } data 0x400000 : { *(data) } } #--- lds4 ## Max VA difference < 0x80000000 SECTIONS { .text.foo 0x02000 : { *(.text.foo) } .text 0x3000 : { *(.text) } .got 0x4000 : { *(.got) } foo 0x7fffffff : { *(foo) } data 0x80001000 : { *(data) } }