diff options
Diffstat (limited to 'usr/src/uts/intel/sys')
| -rw-r--r-- | usr/src/uts/intel/sys/machbrand.h | 12 | ||||
| -rw-r--r-- | usr/src/uts/intel/sys/segments.h | 4 | ||||
| -rw-r--r-- | usr/src/uts/intel/sys/ucontext.h | 15 |
3 files changed, 25 insertions, 6 deletions
diff --git a/usr/src/uts/intel/sys/machbrand.h b/usr/src/uts/intel/sys/machbrand.h index 3f9ebdb6b7..ad7f631649 100644 --- a/usr/src/uts/intel/sys/machbrand.h +++ b/usr/src/uts/intel/sys/machbrand.h @@ -20,6 +20,7 @@ */ /* * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2016 Joyent, Inc. */ #ifndef _SYS_MACHBRAND_H @@ -32,20 +33,25 @@ extern "C" { #ifndef _ASM #include <sys/model.h> +#include <sys/thread.h> struct brand_mach_ops { void (*b_sysenter)(void); + void (*b_int80)(void); void (*b_int91)(void); void (*b_syscall)(void); void (*b_syscall32)(void); + greg_t (*b_fixsegreg)(greg_t, model_t); + uintptr_t (*b_fsbase)(klwp_t *, uintptr_t); }; #endif /* _ASM */ #define BRAND_CB_SYSENTER 0 -#define BRAND_CB_INT91 1 -#define BRAND_CB_SYSCALL 2 -#define BRAND_CB_SYSCALL32 3 +#define BRAND_CB_INT80 1 +#define BRAND_CB_INT91 2 +#define BRAND_CB_SYSCALL 3 +#define BRAND_CB_SYSCALL32 4 #ifdef __cplusplus } diff --git a/usr/src/uts/intel/sys/segments.h b/usr/src/uts/intel/sys/segments.h index 774f2fd3b8..4bf3d87378 100644 --- a/usr/src/uts/intel/sys/segments.h +++ b/usr/src/uts/intel/sys/segments.h @@ -709,6 +709,8 @@ extern void _start(), cmnint(); extern void achktrap(), mcetrap(); extern void xmtrap(); extern void fasttrap(); +extern void sys_int80(); +extern void brand_sys_int80(); extern void dtrace_ret(); /* KPTI trampolines */ @@ -724,6 +726,8 @@ extern void tr_overrun(), tr_resvtrap(); extern void tr_achktrap(), tr_mcetrap(); extern void tr_xmtrap(); extern void tr_fasttrap(); +extern void tr_sys_int80(); +extern void tr_brand_sys_int80(); extern void tr_dtrace_ret(); #if !defined(__amd64) diff --git a/usr/src/uts/intel/sys/ucontext.h b/usr/src/uts/intel/sys/ucontext.h index 66300e71a1..2d4e39b3e8 100644 --- a/usr/src/uts/intel/sys/ucontext.h +++ b/usr/src/uts/intel/sys/ucontext.h @@ -20,6 +20,7 @@ */ /* + * Copyright 2015 Joyent, Inc. * Copyright 2015 Nexenta Systems, Inc. All rights reserved. * * Copyright 2010 Sun Microsystems, Inc. All rights reserved. @@ -84,9 +85,16 @@ struct __ucontext { sigset_t uc_sigmask; stack_t uc_stack; mcontext_t uc_mcontext; - long uc_filler[5]; /* see ABI spec for Intel386 */ + /* + * The Intel386 ABI specification includes a 5-element array of longs + * called "uc_filler", padding the size of the struct to 512 bytes. To + * allow zone brands to communicate extra data right the way through + * the signal handling process, from sigacthandler to setcontext, we + * steal the first three of these longs as a brand-private member. + */ + void *uc_brand_data[3]; + long uc_filler[2]; }; - #if defined(_SYSCALL32) /* Kernel view of user ILP32 ucontext structure */ @@ -97,7 +105,8 @@ typedef struct ucontext32 { sigset_t uc_sigmask; stack32_t uc_stack; mcontext32_t uc_mcontext; - int32_t uc_filler[5]; + caddr32_t uc_brand_data[3]; + int32_t uc_filler[2]; } ucontext32_t; #if defined(_KERNEL) |