diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | elf/Makefile | 27 | ||||
| -rw-r--r-- | elf/tst-pie1.c | 5 | ||||
| -rw-r--r-- | elf/tst-piemod1.c | 20 | ||||
| -rw-r--r-- | sysdeps/i386/elf/start.S | 6 |
5 files changed, 63 insertions, 4 deletions
@@ -1,3 +1,12 @@ +2004-07-15 Jakub Jelinek <jakub@redhat.com> + + [BZ #262] + * sysdeps/i386/elf/start.S (_start): Use @GOT instead of @GOTOFF + for main. + * elf/Makefile: Add rules to build and run tst-pie1. + * elf/tst-pie1.c: New test. + * elf/tst-piemod1.c: New file. + 2004-07-14 Jakub Jelinek <jakub@redhat.com> [BZ #266] diff --git a/elf/Makefile b/elf/Makefile index 6cdcfd4..9bbc304 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -80,7 +80,7 @@ distribute := rtld-Rules \ nodel2mod1.c nodel2mod2.c nodel2mod3.c \ reldep9.c reldep9mod1.c reldep9mod2.c reldep9mod3.c \ tst-array1.exp tst-array2.exp tst-array4.exp \ - tst-array2dep.c \ + tst-array2dep.c tst-piemod1.c \ tst-execstack-mod.c tst-dlmodcount.c \ check-textrel.c dl-sysdep.h @@ -160,6 +160,9 @@ tests-nodelete-yes = nodelete nodelete2 tests-nodlopen-yes = nodlopen nodlopen2 tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog endif +ifeq (yesyes,$(have-fpie)$(build-shared)) +tests: $(objpfx)tst-pie1.out +endif modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ testobj1_1 failobj constload2 constload3 unloadmod \ dep1 dep2 dep3 dep4 $(modules-vis-$(have-protected)) \ @@ -185,6 +188,9 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ ifeq (yes,$(have-initfini-array)) modules-names += tst-array2dep endif +ifeq (yesyes,$(have-fpie)$(build-shared)) +modules-names += tst-piemod1 +endif modules-vis-yes = vismod1 vismod2 vismod3 modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4 \ nodel2mod1 nodel2mod2 nodel2mod3 @@ -705,6 +711,25 @@ $(objpfx)tst-array4.out: $(objpfx)tst-array4 $(objpfx)tst-array2dep.so $< > $@ cmp $@ tst-array4.exp > /dev/null +ifeq (yesyes,$(have-fpie)$(build-shared)) +CFLAGS-tst-pie1.c += -fpie + +$(objpfx)tst-pie1.out: $(objpfx)tst-pie1 + $(elf-objpfx)$(rtld-installed-name) \ + --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \ + $< > $@ + +$(objpfx)tst-pie1: $(objpfx)tst-pie1.o $(objpfx)tst-piemod1.so + $(LINK.o) -pie -Wl,-O1 \ + $(sysdep-LDFLAGS) $(config-LDFLAGS) \ + $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \ + $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \ + $(LDFLAGS) $(LDFLAGS-$(@F)) \ + -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \ + -o $@ $(objpfx)tst-pie1.o $(objpfx)tst-piemod1.so \ + $(common-objpfx)libc_nonshared.a +endif + check-textrel-CFLAGS = -O -Wall -D_XOPEN_SOURCE=600 -D_BSD_SOURCE $(objpfx)check-textrel: check-textrel.c $(native-compile) diff --git a/elf/tst-pie1.c b/elf/tst-pie1.c new file mode 100644 index 0000000..75d941f --- /dev/null +++ b/elf/tst-pie1.c @@ -0,0 +1,5 @@ +int +foo (void) +{ + return 34; +} diff --git a/elf/tst-piemod1.c b/elf/tst-piemod1.c new file mode 100644 index 0000000..ad439da --- /dev/null +++ b/elf/tst-piemod1.c @@ -0,0 +1,20 @@ +#include <stdio.h> + +int +foo (void) +{ + return 21; +} + +int +main (void) +{ + int val = foo (); + if (val != 34) + { + printf ("foo () returned %d\n", val); + return 1; + } + + return 0; +} diff --git a/sysdeps/i386/elf/start.S b/sysdeps/i386/elf/start.S index 8a4fc36..bb9cabc 100644 --- a/sysdeps/i386/elf/start.S +++ b/sysdeps/i386/elf/start.S @@ -1,5 +1,6 @@ /* Startup code compliant to the ELF i386 ABI. - Copyright (C) 1995-1998,2000,2001,2002,2003 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -81,8 +82,7 @@ _start: pushl %ecx /* Push second argument: argv. */ pushl %esi /* Push first argument: argc. */ - leal BP_SYM (main)@GOTOFF(%ebx), %eax - pushl %eax + pushl BP_SYM (main)@GOT(%ebx) /* Call the user's main function, and exit with its value. But let the libc call main. */ |