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Diffstat (limited to 'arch/arm64/include/asm/processor.h')
-rw-r--r--arch/arm64/include/asm/processor.h21
1 files changed, 18 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index a73ae1e49200..79657ad91397 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -182,12 +182,12 @@ static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc,
unsigned long sp)
{
start_thread_common(regs, pc);
- regs->pstate = COMPAT_PSR_MODE_USR;
+ regs->pstate = PSR_AA32_MODE_USR;
if (pc & 1)
- regs->pstate |= COMPAT_PSR_T_BIT;
+ regs->pstate |= PSR_AA32_T_BIT;
#ifdef __AARCH64EB__
- regs->pstate |= COMPAT_PSR_E_BIT;
+ regs->pstate |= PSR_AA32_E_BIT;
#endif
regs->compat_sp = sp;
@@ -266,5 +266,20 @@ extern void __init minsigstksz_setup(void);
#define SVE_SET_VL(arg) sve_set_current_vl(arg)
#define SVE_GET_VL() sve_get_current_vl()
+/*
+ * For CONFIG_GCC_PLUGIN_STACKLEAK
+ *
+ * These need to be macros because otherwise we get stuck in a nightmare
+ * of header definitions for the use of task_stack_page.
+ */
+
+#define current_top_of_stack() \
+({ \
+ struct stack_info _info; \
+ BUG_ON(!on_accessible_stack(current, current_stack_pointer, &_info)); \
+ _info.high; \
+})
+#define on_thread_stack() (on_task_stack(current, current_stack_pointer, NULL))
+
#endif /* __ASSEMBLY__ */
#endif /* __ASM_PROCESSOR_H */