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| author |   Max Filippov <jcmvbkbc@gmail.com> | 2017-03-27 02:44:47 -0700 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2017-12-16 22:37:07 -0800 |
| commit | 40d1a07b333ef1f7fce11ee20b8f4281d1a75fb9 (patch) | |
| tree | 4855103872087025010742caa2ec0818f91f10ee /arch/xtensa/kernel/asm-offsets.c | |
| parent | xtensa: print hardware config ID on startup (diff) | |
| download | linux-dev-40d1a07b333ef1f7fce11ee20b8f4281d1a75fb9.tar.xz linux-dev-40d1a07b333ef1f7fce11ee20b8f4281d1a75fb9.zip | |
xtensa: enable stack protector
The implementation is adopted from the ARM arch. GCC 7.3, 8 or newer is
required for building the xtensa kernel with SSP.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/asm-offsets.c')
| -rw-r--r-- | arch/xtensa/kernel/asm-offsets.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c index bcb5beb81177..3b119b372efd 100644 --- a/arch/xtensa/kernel/asm-offsets.c +++ b/arch/xtensa/kernel/asm-offsets.c @@ -76,6 +76,9 @@ int main(void) DEFINE(TASK_PID, offsetof (struct task_struct, pid)); DEFINE(TASK_THREAD, offsetof (struct task_struct, thread)); DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack)); +#ifdef CONFIG_CC_STACKPROTECTOR + DEFINE(TASK_STACK_CANARY, offsetof(struct task_struct, stack_canary)); +#endif DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct)); /* offsets in thread_info struct */ |