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Check sh_type/sh_flags/sh_addralign/sh_entsize when copying sh_link/sh_info 

When copying the sh_link and sh_info fields in stripped section headers,
we also check if the sh_type, sh_flags, /sh_addralign and sh_entsize
fields of the output section match the output.  Since --only-keep-debug
turns all non-debug sections into SHT_NOBITS sections, the output
SHT_NOBITS type matches any input type.

bfd/

	PR binutils/18785
	* elf.c (_bfd_elf_copy_private_bfd_data): When copying the
	sh_link and sh_info fields in stripped section headers, we also
	check if the sh_type, sh_flags, /sh_addralign and sh_entsize
	fields of the output section match the output.  Since
	--only-keep-debug turns all non-debug sections into SHT_NOBITS
	sections, the output SHT_NOBITS type matches any input type.

binutils/testsuite/

	PR binutils/18785
	* binutils-all/objcopy.exp: Run strip-12.
	* binutils-all/strip-12.d: New file.
	* binutils-all/strip-12.s: Likewise.
This commit is contained in:
H.J. Lu 2015-08-07 10:28:42 -07:00
parent f12899e9f0
commit d4ac1f878e
6 changed files with 39 additions and 1 deletions
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10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
2015-08-07 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/18785
* elf.c (_bfd_elf_copy_private_bfd_data): When copying the
sh_link and sh_info fields in stripped section headers, we also
check if the sh_type, sh_flags, /sh_addralign and sh_entsize
fields of the output section match the output. Since
--only-keep-debug turns all non-debug sections into SHT_NOBITS
sections, the output SHT_NOBITS type matches any input type.
2015-08-07 H.J. Lu <hongjiu.lu@intel.com>
PR ld/18720

9
bfd/elf.c
View File

@ -1233,7 +1233,14 @@ _bfd_elf_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
{
Elf_Internal_Shdr * iheader = iheaders[j];
if (iheader->sh_type != SHT_NOBITS
/* Since --only-keep-debug turns all non-debug sections
into SHT_NOBITS sections, the output SHT_NOBITS type
matches any input type. */
if ((oheader->sh_type == SHT_NOBITS
|| oheader->sh_type == oheader->sh_type)
&& iheader->sh_flags == oheader->sh_flags
&& iheader->sh_addralign == oheader->sh_addralign
&& iheader->sh_entsize == oheader->sh_entsize
&& iheader->sh_size == oheader->sh_size
&& iheader->sh_addr == oheader->sh_addr
&& (iheader->sh_info != oheader->sh_info

7
binutils/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2015-08-07 H.J. Lu <hongjiu.lu@intel.com>
PR binutils/18785
* binutils-all/objcopy.exp: Run strip-12.
* binutils-all/strip-12.d: New file.
* binutils-all/strip-12.s: Likewise.
2015-08-07 Andrew Burgess <andrew.burgess@embecosm.com>
* binutils-all/objcopy.exp: Run new symbol tests.

1
binutils/testsuite/binutils-all/objcopy.exp
View File

@ -1033,6 +1033,7 @@ if [is_elf_format] {
run_dump_test "strip-7"
run_dump_test "strip-8"
run_dump_test "strip-9"
run_dump_test "strip-12"
# Non-EABI ARM targets will set OSABI to ARM
# The V850 sets the OSABI to UNIX - System V
if { ![istarget "*-*-hpux*"]

7
binutils/testsuite/binutils-all/strip-12.d Normal file
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@ -0,0 +1,7 @@
#PROG: strip
#strip:
#readelf: -S --wide
#...
\[[ 0-9]+\] \.bss[ \t]+NOBITS[ \t0-9a-f]+WA[ \t]+0[ \t]+0[ \t]+1
#pass

6
binutils/testsuite/binutils-all/strip-12.s Normal file
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@ -0,0 +1,6 @@
.bss
.space 8
.section .debug_str,"MS",%progbits,1
.string ""
.section .text.foo,"axG",%progbits,foo,comdat
.byte 0