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Don't convert GOTPCREL relocation against large section 

bfd/

	PR ld/20093
	* elf64-x86-64.c (elf_x86_64_convert_load_reloc): Don't convert
	GOTPCREL relocation against large section.

ld/

	PR ld/20093
	* testsuite/ld-x86-64/pr20093-1.d: New file.
	* testsuite/ld-x86-64/pr20093-1.s: Likewise.
	* testsuite/ld-x86-64/pr20093-2.d: Likewise.
	* testsuite/ld-x86-64/pr20093-2.s: Likewise.
	* testsuite/ld-x86-64/x86-64.exp: Run pr20093-1 and pr20093-2.
This commit is contained in:
H.J. Lu 2016-05-13 10:59:32 -07:00
parent d2edc834f7
commit 2168b2688a
8 changed files with 65 additions and 1 deletions
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8
bfd/ChangeLog
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@ -1,8 +1,14 @@
2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
PR ld/20093
* elf64-x86-64.c (elf_x86_64_convert_load_reloc): Don't convert
GOTPCREL relocation against large section.
2016-05-13 Alan Modra <amodra@gmail.com>
* elf-m10300.c (_bfd_mn10300_elf_finish_dynamic_sections): Use
linker dynamic sections in calculating size and address of
* dynamic tags rather than using output sections. Remove asserts.
dynamic tags rather than using output sections. Remove asserts.
* elf32-arm.c (elf32_arm_finish_dynamic_sections): Likewise.
* elf32-cr16.c (_bfd_cr16_elf_finish_dynamic_sections): Likewise.
* elf32-cris.c (elf_cris_finish_dynamic_sections): Likewise.

5
bfd/elf64-x86-64.c
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@ -1806,6 +1806,11 @@ elf_x86_64_convert_load_reloc (bfd *abfd, asection *sec,
return TRUE;
}
/* Don't convert GOTPCREL relocation against large section. */
if (elf_section_data (tsec) != NULL
&& (elf_section_flags (tsec) & SHF_X86_64_LARGE) != 0)
return TRUE;
/* We can only estimate relocation overflow for R_X86_64_PC32. */
if (!to_reloc_pc32)
goto convert;

9
ld/ChangeLog
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@ -1,3 +1,12 @@
2016-05-13 H.J. Lu <hongjiu.lu@intel.com>
PR ld/20093
* testsuite/ld-x86-64/pr20093-1.d: New file.
* testsuite/ld-x86-64/pr20093-1.s: Likewise.
* testsuite/ld-x86-64/pr20093-2.d: Likewise.
* testsuite/ld-x86-64/pr20093-2.s: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Run pr20093-1 and pr20093-2.
2016-05-13 Alan Modra <amodra@gmail.com>
* testsuite/ld-arm/arm-elf.exp: Adjust for arm-no-rel-plt now passing.

11
ld/testsuite/ld-x86-64/pr20093-1.d Normal file
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@ -0,0 +1,11 @@
#as: --64
#ld: -pie -melf_x86_64
#objdump: -dw
.*: +file format .*
Disassembly of section .text:
[a-f0-9]+ <_start>:
[ ]*[a-f0-9]+: 48 8b 05 ([0-9a-f]{2} ){4} * mov 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>

11
ld/testsuite/ld-x86-64/pr20093-1.s Normal file
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@ -0,0 +1,11 @@
.section .lbss,"aw",@nobits
foo1:
.space 1073741824
.space 1073741824
.space 1073741824
.text
.globl _start
.type _start, @function
_start:
movq foo1@GOTPCREL(%rip), %rax
.size _start, .-_start

11
ld/testsuite/ld-x86-64/pr20093-2.d Normal file
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@ -0,0 +1,11 @@
#as: --64
#ld: -pie -melf_x86_64
#objdump: -dw
.*: +file format .*
Disassembly of section .text:
[a-f0-9]+ <_start>:
[ ]*[a-f0-9]+: 48 8b 05 ([0-9a-f]{2} ){4} * mov 0x[a-f0-9]+\(%rip\),%rax # [a-f0-9]+ <_DYNAMIC\+0x[a-f0-9]+>

9
ld/testsuite/ld-x86-64/pr20093-2.s Normal file
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@ -0,0 +1,9 @@
.largecomm foo1,1073741824,32
.largecomm foo2,1073741824,32
.largecomm foo3,1073741824,32
.text
.globl _start
.type _start, @function
_start:
movq foo1@GOTPCREL(%rip), %rax
.size _start, .-_start

2
ld/testsuite/ld-x86-64/x86-64.exp
View File

@ -267,6 +267,8 @@ run_dump_test "pr19807-2c"
run_dump_test "pr19807-2d"
run_dump_test "pr19807-2e"
run_dump_test "pr19969"
run_dump_test "pr20093-1"
run_dump_test "pr20093-2"
if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
return