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mips.c (mips_asan_shadow_offset): New function. 

* config/mips/mips.c (mips_asan_shadow_offset): New function.
	(TARGET_ASAN_SHADOW_OFFSET): Define.
	* config/mips/mips.h (FRAME_GROWS_DOWNWARD): Augment to also be
	true for -fsanitize=address.

Co-Authored-By: Jean Lee <xiaoyur347@gmail.com>

From-SVN: r259666
This commit is contained in:
Hans-Peter Nilsson 2018-04-26 01:21:32 +00:00 committed by Hans-Peter Nilsson
parent 752361c980
commit e92306590e
3 changed files with 21 additions and 1 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2018-03-22 Hans-Peter Nilsson <hp@axis.com>
Jean Lee <xiaoyur347@gmail.com>
* config/mips/mips.c (mips_asan_shadow_offset): New function.
(TARGET_ASAN_SHADOW_OFFSET): Define.
* config/mips/mips.h (FRAME_GROWS_DOWNWARD): Augment to also be
true for -fsanitize=address.
2018-04-25 Mark Wielaard <mark@klomp.org> 2018-04-25 Mark Wielaard <mark@klomp.org>
* dwarf2out.c (file_info_cmp): Sort longer dir prefixes before * dwarf2out.c (file_info_cmp): Sort longer dir prefixes before

11
gcc/config/mips/mips.c
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@ -22307,6 +22307,14 @@ mips_constant_alignment (const_tree exp, HOST_WIDE_INT align)
return align; return align;
} }
/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */
static unsigned HOST_WIDE_INT
mips_asan_shadow_offset (void)
{
return 0x0aaa0000;
}
/* Implement TARGET_STARTING_FRAME_OFFSET. See mips_compute_frame_info /* Implement TARGET_STARTING_FRAME_OFFSET. See mips_compute_frame_info
for details about the frame layout. */ for details about the frame layout. */
@ -22618,6 +22626,9 @@ mips_starting_frame_offset (void)
#undef TARGET_CONSTANT_ALIGNMENT #undef TARGET_CONSTANT_ALIGNMENT
#define TARGET_CONSTANT_ALIGNMENT mips_constant_alignment #define TARGET_CONSTANT_ALIGNMENT mips_constant_alignment
#undef TARGET_ASAN_SHADOW_OFFSET
#define TARGET_ASAN_SHADOW_OFFSET mips_asan_shadow_offset
#undef TARGET_STARTING_FRAME_OFFSET #undef TARGET_STARTING_FRAME_OFFSET
#define TARGET_STARTING_FRAME_OFFSET mips_starting_frame_offset #define TARGET_STARTING_FRAME_OFFSET mips_starting_frame_offset

3
gcc/config/mips/mips.h
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@ -2289,7 +2289,8 @@ enum reg_class
#define STACK_GROWS_DOWNWARD 1 #define STACK_GROWS_DOWNWARD 1
#define FRAME_GROWS_DOWNWARD flag_stack_protect #define FRAME_GROWS_DOWNWARD (flag_stack_protect != 0 \
|| (flag_sanitize & SANITIZE_ADDRESS) != 0)
/* Size of the area allocated in the frame to save the GP. */ /* Size of the area allocated in the frame to save the GP. */