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[gold] Enable data-sections by default for the gold-plugin.

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Follow up to r309056.

llvm-svn: 309075
This commit is contained in:
Davide Italiano 2017-07-26 01:47:17 +00:00
parent edf6bc468d
commit 48af11562f
3 changed files with 36 additions and 1 deletions
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6
test/tools/gold/X86/Inputs/multiple-data.ll Normal file
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@ -0,0 +1,6 @@
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@pat = global i32 33, align 4
@tin = global i32 33, align 4
@dipsy = global i32 33, align 4

28
test/tools/gold/X86/multiple-data.s Normal file
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@ -0,0 +1,28 @@
# RUN: echo ".data.tin" > %t_order_lto.txt
# RUN: echo ".data.dipsy" >> %t_order_lto.txt
# RUN: echo ".data.pat" >> %t_order_lto.txt
# RUN: llvm-mc %s -o %t.o -filetype=obj -triple=x86_64-unknown-linux-gnu
# RUN: llvm-as %p/Inputs/multiple-data.ll -o %t2.o
# RUN: %gold -plugin %llvmshlibdir/LLVMgold.so \
# RUN: -m elf_x86_64 -o %t.exe %t2.o %t.o \
# RUN: --section-ordering-file=%t_order_lto.txt
# RUN: llvm-readobj -elf-output-style=GNU -t %t.exe | FileCheck %s
# CHECK: Symbol table '.symtab' contains 9 entries:
# CHECK-NEXT: Num: Value Size Type Bind Vis Ndx Name
# CHECK-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND
# CHECK-NEXT: 1: 0000000000000000 0 FILE LOCAL DEFAULT ABS ld-temp.o
# CHECK-NEXT: 2: 0000000000401104 0 NOTYPE GLOBAL DEFAULT ABS _end
# CHECK-NEXT: 3: 0000000000401104 0 NOTYPE GLOBAL DEFAULT ABS __bss_start
# CHECK-NEXT: 4: 0000000000401104 0 NOTYPE GLOBAL DEFAULT ABS _edata
# CHECK-NEXT: 5: 00000000004000e8 0 NOTYPE GLOBAL DEFAULT 1 _start
# CHECK-NEXT: 6: 00000000004010fc 4 OBJECT GLOBAL DEFAULT 2 dipsy
# CHECK-NEXT: 7: 00000000004010f8 4 OBJECT GLOBAL DEFAULT 2 tin
# CHECK-NEXT: 8: 0000000000401100 4 OBJECT GLOBAL DEFAULT 2 pat
.globl _start
_start:
movl $pat, %ecx
movl $dipsy, %ebx
movl $tin, %eax

3
tools/gold/gold-plugin.cpp
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@ -750,8 +750,9 @@ static std::unique_ptr<LTO> createLTO() {
// FIXME: Check the gold version or add a new option to enable them.
Conf.Options.RelaxELFRelocations = false;
// Enable function sections by default.
// Enable function/data sections by default.
Conf.Options.FunctionSections = true;
Conf.Options.DataSections = true;
Conf.MAttrs = MAttrs;
Conf.RelocModel = RelocationModel;