xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / mach / arm / exception.h

diff --git a/osfmk/mach/arm/exception.h b/osfmk/mach/arm/exception.h
index 857c1fa0ae977bd22af3dc3b96b4bc53e817f03c..e374b21d8819d921fd4390d991dd071b8075796b 100644 (file)
--- a/osfmk/mach/arm/exception.h
+++ b/osfmk/mach/arm/exception.h
@@ -26,7 +26,7 @@
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
-#ifndef        _MACH_ARM_EXCEPTION_H_
+#ifndef _MACH_ARM_EXCEPTION_H_
 #define _MACH_ARM_EXCEPTION_H_
 
 #define EXC_TYPES_COUNT         14      /* incl. illegal exception 0 */
@@ -35,6 +35,12 @@
 
 #define EXCEPTION_CODE_MAX       2      /*  code and subcode */
 
+#if XNU_KERNEL_PRIVATE
+#if __has_feature(ptrauth_calls)
+#define EXC_PTRAUTH_BIT         0x200  /* bit set if exception could have been caused by ptrauth failure */
+#endif /* __has_feature(ptrauth_calls) */
+#endif /* XNU_KERNEL_PRIVATE */
+
 /*
  *     Trap numbers as defined by the hardware exception vectors.
  */
@@ -43,24 +49,36 @@
  *      EXC_BAD_INSTRUCTION
  */
 
-#define EXC_ARM_UNDEFINED      1       /* Undefined */
+#define EXC_ARM_UNDEFINED       1       /* Undefined */
+
+/*
+ *      EXC_ARITHMETIC
+ */
 
+#define EXC_ARM_FP_UNDEFINED    0       /* Undefined Floating Point Exception */
+#define EXC_ARM_FP_IO           1       /* Invalid Floating Point Operation */
+#define EXC_ARM_FP_DZ           2       /* Floating Point Divide by Zero */
+#define EXC_ARM_FP_OF           3       /* Floating Point Overflow */
+#define EXC_ARM_FP_UF           4       /* Floating Point Underflow */
+#define EXC_ARM_FP_IX           5       /* Inexact Floating Point Result */
+#define EXC_ARM_FP_ID           6       /* Floating Point Denormal Input */
 
 /*
  *      EXC_BAD_ACCESS
  *      Note: do not conflict with kern_return_t values returned by vm_fault
  */
 
-#define EXC_ARM_DA_ALIGN       0x101   /* Alignment Fault */
-#define EXC_ARM_DA_DEBUG       0x102   /* Debug (watch/break) Fault */
-#define EXC_ARM_SP_ALIGN       0x103   /* SP Alignment Fault */
-#define EXC_ARM_SWP                    0x104   /* SWP instruction */
+#define EXC_ARM_DA_ALIGN        0x101   /* Alignment Fault */
+#define EXC_ARM_DA_DEBUG        0x102   /* Debug (watch/break) Fault */
+#define EXC_ARM_SP_ALIGN        0x103   /* SP Alignment Fault */
+#define EXC_ARM_SWP             0x104   /* SWP instruction */
+#define EXC_ARM_PAC_FAIL        0x105   /* PAC authentication failure */
 
 /*
  *     EXC_BREAKPOINT
  */
 
-#define EXC_ARM_BREAKPOINT     1       /* breakpoint trap */
+#define EXC_ARM_BREAKPOINT      1       /* breakpoint trap */
 
 
-#endif /* _MACH_ARM_EXCEPTION_H_ */
+#endif  /* _MACH_ARM_EXCEPTION_H_ */