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[ELF] - Add support for -nopie 

This is https://llvm.org/bugs/show_bug.cgi?id=30696,

Differential revision: https://reviews.llvm.org/D25676

llvm-svn: 284388
This commit is contained in:
George Rimar 2016-10-17 14:42:11 +00:00
parent 272c410c24
commit c3c4f46d07
3 changed files with 15 additions and 1 deletions
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2
lld/ELF/Driver.cpp
View File

@ -456,7 +456,7 @@ void LinkerDriver::readConfigs(opt::InputArgList &Args) {
Config->NoGnuUnique = Args.hasArg(OPT_no_gnu_unique);
Config->NoUndefinedVersion = Args.hasArg(OPT_no_undefined_version);
Config->Nostdlib = Args.hasArg(OPT_nostdlib);
Config->Pie = Args.hasArg(OPT_pie);
Config->Pie = getArg(Args, OPT_pie, OPT_nopie, false);
Config->PrintGcSections = Args.hasArg(OPT_print_gc_sections);
Config->Relocatable = Args.hasArg(OPT_relocatable);
Config->SaveTemps = Args.hasArg(OPT_save_temps);

2
lld/ELF/Options.td
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@ -127,6 +127,8 @@ def no_whole_archive: F<"no-whole-archive">,
def noinhibit_exec: F<"noinhibit-exec">,
HelpText<"Retain the executable output file whenever it is still usable">;
def nopie: F<"nopie">, HelpText<"Do not create a position independent executable">;
def no_undefined: F<"no-undefined">,
HelpText<"Report unresolved symbols even if the linker is creating a shared library">;

12
lld/test/ELF/pie.s
View File

@ -1,5 +1,12 @@
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
## Default is no PIE.
# RUN: ld.lld %t1.o -o %t
# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t \
# RUN: | FileCheck %s --check-prefix=NOPIE
## Check -pie.
# RUN: ld.lld -pie %t1.o -o %t
# RUN: llvm-readobj -file-headers -sections -program-headers -symbols -r %t | FileCheck %s
@ -98,5 +105,10 @@
# CHECK-NEXT: Alignment: 8
# CHECK-NEXT: }
## Check -nopie
# RUN: ld.lld -nopie %t1.o -o %t2
# RUN: llvm-readobj -file-headers -r %t2 | FileCheck %s --check-prefix=NOPIE
# NOPIE-NOT: Type: SharedObject
.globl _start
_start: