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configure.tgt: Enable build on powerpc*-linux. 

libsanitizer/
	* configure.tgt: Enable build on powerpc*-linux.

gcc/
	* config/rs6000/sysv4.h (TARGET_ASAN_SHADOW_OFFSET): Define.
	* config/rs6000/rs6000.c (rs6000_asan_shadow_offset): New function.
	* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Disable if using ASAN.

From-SVN: r194273
This commit is contained in:
Peter Bergner 2012-12-06 15:53:36 -06:00 committed by Peter Bergner
parent 789b6d0559
commit 957fee09af
6 changed files with 25 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-12-06 Peter Bergner <bergner@vnet.ibm.com>
* config/rs6000/sysv4.h (TARGET_ASAN_SHADOW_OFFSET): Define.
* config/rs6000/rs6000.c (rs6000_asan_shadow_offset): New function.
* config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Disable if using ASAN.
2012-12-06 Jakub Jelinek <jakub@redhat.com>
PR fortran/55395

9
gcc/config/rs6000/rs6000.c
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@ -27529,6 +27529,15 @@ rs6000_final_prescan_insn (rtx insn, rtx *operand ATTRIBUTE_UNUSED,
}
}
/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */
#if TARGET_ELF
static unsigned HOST_WIDE_INT
rs6000_asan_shadow_offset (void)
{
return (unsigned HOST_WIDE_INT) 1 << (TARGET_64BIT ? 41 : 29);
}
#endif
/* Mask options that we want to support inside of attribute((target)) and
#pragma GCC target operations. Note, we do not include things like

2
gcc/config/rs6000/rs6000.h
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@ -1406,7 +1406,7 @@ extern enum reg_class rs6000_constraints[RS6000_CONSTRAINT_MAX];
On the RS/6000, we grow upwards, from the area after the outgoing
arguments. */
#define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0)
#define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0 || flag_asan != 0)
/* Size of the outgoing register save area */
#define RS6000_REG_SAVE ((DEFAULT_ABI == ABI_AIX \

3
gcc/config/rs6000/sysv4.h
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@ -971,6 +971,9 @@ ncrtn.o%s"
#define TARGET_ASM_FILE_END rs6000_elf_file_end
#undef TARGET_ASAN_SHADOW_OFFSET
#define TARGET_ASAN_SHADOW_OFFSET rs6000_asan_shadow_offset
/* This target uses the sysv4.opt file. */
#define TARGET_USES_SYSV4_OPT 1

4
libsanitizer/ChangeLog
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@ -1,3 +1,7 @@
2012-12-06 Peter Bergner <bergner@vnet.ibm.com>
* configure.tgt: Enable build on powerpc*-linux.
2012-12-06 Jack Howarth <howarth@bromo.med.uc.edu>
PR 55599/sanitizer

2
libsanitizer/configure.tgt
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@ -25,6 +25,8 @@ case "${target}" in
TSAN_SUPPORTED=yes
fi
;;
powerpc*-*-linux*)
;;
sparc*-*-linux*)
;;
x86_64-*-darwin* | i?86-*-darwin*)