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Solaris PIE support

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include/elf:
	* common.h (DF_1_STUB, DF_1_PIE): Define.

	ld:
	* emulparams/solaris2.sh (GENERATE_PIE_SCRIPT): Set to yes.

	* emultempl/elf32.em: Include ldlex.h.
	(gld${EMULATION_NAME}_handle_option) [GENERATE_PIE_SCRIPT]
	<OPTION_PIE>: Set DF_1_PIE.

	binutils:
	* readelf.c (process_dynamic_section): Handle DF_1_STUB, DF_1_PIE.
This commit is contained in:
Rainer Orth 2015-09-22 11:12:51 +02:00
parent 6dca4fd141
commit 5c383f0262
7 changed files with 38 additions and 0 deletions
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4
binutils/ChangeLog
View file

@ -1,3 +1,7 @@
2015-09-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* readelf.c (process_dynamic_section): Handle DF_1_STUB, DF_1_PIE.
2015-09-10 Erik Ackermann <kurterikackermann@gmail.com> 2015-09-10 Erik Ackermann <kurterikackermann@gmail.com>
* strings.c: Add -s/--output-separator option to specify custom * strings.c: Add -s/--output-separator option to specify custom

10
binutils/readelf.c
View file

@ -9241,6 +9241,16 @@ process_dynamic_section (FILE * file)
printf (" SINGLETON"); printf (" SINGLETON");
val ^= DF_1_SINGLETON; val ^= DF_1_SINGLETON;
} }
if (val & DF_1_STUB)
{
printf (" STUB");
val ^= DF_1_STUB;
}
if (val & DF_1_PIE)
{
printf (" PIE");
val ^= DF_1_PIE;
}
if (val != 0) if (val != 0)
printf (" %lx", val); printf (" %lx", val);
puts (""); puts ("");

4
include/elf/ChangeLog
View file

@ -1,3 +1,7 @@
2015-09-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* common.h (DF_1_STUB, DF_1_PIE): Define.
2015-09-21 H.J. Lu <hongjiu.lu@intel.com> 2015-09-21 H.J. Lu <hongjiu.lu@intel.com>
* external.h (Elf64_External_Chdr): Change ch_type to 4 bytes * external.h (Elf64_External_Chdr): Change ch_type to 4 bytes

2
include/elf/common.h
View file

@ -867,6 +867,8 @@
#define DF_1_SYMINTPOSE 0x00800000 #define DF_1_SYMINTPOSE 0x00800000
#define DF_1_GLOBAUDIT 0x01000000 #define DF_1_GLOBAUDIT 0x01000000
#define DF_1_SINGLETON 0x02000000 #define DF_1_SINGLETON 0x02000000
#define DF_1_STUB 0x04000000
#define DF_1_PIE 0x08000000
/* Flag values for the DT_FLAGS entry. */ /* Flag values for the DT_FLAGS entry. */
#define DF_ORIGIN (1 << 0) #define DF_ORIGIN (1 << 0)

8
ld/ChangeLog
View file

@ -1,3 +1,11 @@
2015-09-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* emulparams/solaris2.sh (GENERATE_PIE_SCRIPT): Set to yes.
* emultempl/elf32.em: Include ldlex.h.
(gld${EMULATION_NAME}_handle_option) [GENERATE_PIE_SCRIPT]
<OPTION_PIE>: Set DF_1_PIE.
2015-09-22 Alan Modra <amodra@gmail.com> 2015-09-22 Alan Modra <amodra@gmail.com>
* ld.texinfo: Put --dotsyms/--no-dotsyms on separate lines. * ld.texinfo: Put --dotsyms/--no-dotsyms on separate lines.

2
ld/emulparams/solaris2.sh
View file

@ -8,3 +8,5 @@
# File, p.63. # File, p.63.
TEXT_START_SYMBOLS='_START_ = .;' TEXT_START_SYMBOLS='_START_ = .;'
OTHER_END_SYMBOLS='_END_ = .;' OTHER_END_SYMBOLS='_END_ = .;'
# Beginning with Solaris 11.x and Solaris 12, there's PIE support.
GENERATE_PIE_SCRIPT=yes

8
ld/emultempl/elf32.em
View file

@ -49,6 +49,7 @@ fragment <<EOF
#include "ldmain.h" #include "ldmain.h"
#include "ldmisc.h" #include "ldmisc.h"
#include "ldexp.h" #include "ldexp.h"
#include "ldlex.h"
#include "ldlang.h" #include "ldlang.h"
#include "ldfile.h" #include "ldfile.h"
#include "ldemul.h" #include "ldemul.h"
@ -2289,6 +2290,13 @@ fragment <<EOF
EOF EOF
fi fi
if test x"$GENERATE_PIE_SCRIPT" = xyes; then
fragment <<EOF
case OPTION_PIE:
link_info.flags_1 |= (bfd_vma) DF_1_PIE;
break;
EOF
fi
fragment <<EOF fragment <<EOF
case 'z': case 'z':
if (strcmp (optarg, "defs") == 0) if (strcmp (optarg, "defs") == 0)